Annotation of loncom/lonnet/perl/lonnet.pm, revision 1.1172.2.118.2.8
1.1 albertel 1: # The LearningOnline Network
2: # TCP networking package
1.12 www 3: #
1.1172.2.118. .8(raebu 4:20): # $Id: lonnet.pm,v 1.1172.2.118.2.7 2020/09/08 02:08:27 raeburn Exp $
1.178 www 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.169 harris41 28: ###
29:
1.971 jms 30: =pod
31:
1.972 jms 32: =head1 NAME
33:
34: Apache::lonnet.pm
35:
36: =head1 SYNOPSIS
37:
38: This file is an interface to the lonc processes of
39: the LON-CAPA network as well as set of elaborated functions for handling information
40: necessary for navigating through a given cluster of LON-CAPA machines within a
41: domain. There are over 40 specialized functions in this module which handle the
42: reading and transmission of metadata, user information (ids, names, environments, roles,
43: logs), file information (storage, reading, directories, extensions, replication, embedded
44: styles and descriptors), educational resources (course descriptions, section names and
45: numbers), url hashing (to assign roles on a url basis), and translating abbreviated symbols to
46: and from more descriptive phrases or explanations.
47:
48: This is part of the LearningOnline Network with CAPA project
49: described at http://www.lon-capa.org.
50:
1.971 jms 51: =head1 Package Variables
52:
53: These are largely undocumented, so if you decipher one please note it here.
54:
55: =over 4
56:
57: =item $processmarker
58:
59: Contains the time this process was started and this servers host id.
60:
61: =item $dumpcount
62:
63: Counts the number of times a message log flush has been attempted (regardless
64: of success) by this process. Used as part of the filename when messages are
65: delayed.
66:
67: =back
68:
69: =cut
70:
1.1 albertel 71: package Apache::lonnet;
72:
73: use strict;
1.8 www 74: use LWP::UserAgent();
1.486 www 75: use HTTP::Date;
1.977 amueller 76: use Image::Magick;
1.1172.2.107 raeburn 77: use CGI::Cookie;
1.977 amueller 78:
1.1172.2.104 raeburn 79: use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir $deftex
1.1138 raeburn 80: $_64bit %env %protocol %loncaparevs %serverhomeIDs %needsrelease
1.1172.2.114 raeburn 81: %managerstab $passwdmin);
1.871 albertel 82:
83: my (%badServerCache, $memcache, %courselogs, %accesshash, %domainrolehash,
84: %userrolehash, $processmarker, $dumpcount, %coursedombuf,
85: %coursenumbuf, %coursehombuf, %coursedescrbuf, %courseinstcodebuf,
1.958 www 86: %courseownerbuf, %coursetypebuf,$locknum);
1.403 www 87:
1.1 albertel 88: use IO::Socket;
1.31 www 89: use GDBM_File;
1.208 albertel 90: use HTML::LCParser;
1.88 www 91: use Fcntl qw(:flock);
1.870 albertel 92: use Storable qw(thaw nfreeze);
1.1172.2.79 raeburn 93: use Time::HiRes qw( sleep gettimeofday tv_interval );
1.599 albertel 94: use Cache::Memcached;
1.676 albertel 95: use Digest::MD5;
1.790 albertel 96: use Math::Random;
1.1024 raeburn 97: use File::MMagic;
1.807 albertel 98: use LONCAPA qw(:DEFAULT :match);
1.740 www 99: use LONCAPA::Configuration;
1.1160 www 100: use LONCAPA::lonmetadata;
1.1172.2.22 raeburn 101: use LONCAPA::Lond;
1.1172.2.110 raeburn 102: use LONCAPA::transliterate;
1.1117 foxr 103:
1.1090 raeburn 104: use File::Copy;
1.676 albertel 105:
1.195 www 106: my $readit;
1.1172.2.79 raeburn 107: my $max_connection_retries = 20; # Or some such value.
1.1 albertel 108:
1.619 albertel 109: require Exporter;
110:
111: our @ISA = qw (Exporter);
112: our @EXPORT = qw(%env);
113:
1.1172.2.9 raeburn 114: # ------------------------------------ Logging (parameters, docs, slots, roles)
1.729 www 115: {
116: my $logid;
1.1172.2.9 raeburn 117: sub write_log {
118: my ($context,$hash_name,$storehash,$delflag,$uname,$udom,$cnum,$cdom)=@_;
119: if ($context eq 'course') {
120: if (($cnum eq '') || ($cdom eq '')) {
121: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
122: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
123: }
1.957 raeburn 124: }
1.1172.2.13 raeburn 125: $logid ++;
1.957 raeburn 126: my $now = time();
127: my $id=$now.'00000'.$$.'00000'.$logid;
1.1172.2.9 raeburn 128: my $logentry = {
129: $id => {
130: 'exe_uname' => $env{'user.name'},
131: 'exe_udom' => $env{'user.domain'},
132: 'exe_time' => $now,
133: 'exe_ip' => $ENV{'REMOTE_ADDR'},
134: 'delflag' => $delflag,
135: 'logentry' => $storehash,
136: 'uname' => $uname,
137: 'udom' => $udom,
138: }
139: };
140: return &put('nohist_'.$hash_name,$logentry,$cdom,$cnum);
1.729 www 141: }
142: }
1.1 albertel 143:
1.163 harris41 144: sub logtouch {
145: my $execdir=$perlvar{'lonDaemons'};
1.448 albertel 146: unless (-e "$execdir/logs/lonnet.log") {
1.1172.2.96 raeburn 147: open(my $fh,">>","$execdir/logs/lonnet.log");
1.163 harris41 148: close $fh;
149: }
150: my ($wwwuid,$wwwgid)=(getpwnam('www'))[2,3];
151: chown($wwwuid,$wwwgid,$execdir.'/logs/lonnet.log');
152: }
153:
1.1 albertel 154: sub logthis {
155: my $message=shift;
156: my $execdir=$perlvar{'lonDaemons'};
157: my $now=time;
158: my $local=localtime($now);
1.1172.2.96 raeburn 159: if (open(my $fh,">>","$execdir/logs/lonnet.log")) {
1.986 foxr 160: my $logstring = $local. " ($$): ".$message."\n"; # Keep any \'s in string.
161: print $fh $logstring;
1.448 albertel 162: close($fh);
163: }
1.1 albertel 164: return 1;
165: }
166:
167: sub logperm {
168: my $message=shift;
169: my $execdir=$perlvar{'lonDaemons'};
170: my $now=time;
171: my $local=localtime($now);
1.1172.2.96 raeburn 172: if (open(my $fh,">>","$execdir/logs/lonnet.perm.log")) {
1.448 albertel 173: print $fh "$now:$message:$local\n";
174: close($fh);
175: }
1.1 albertel 176: return 1;
177: }
178:
1.850 albertel 179: sub create_connection {
1.853 albertel 180: my ($hostname,$lonid) = @_;
1.851 albertel 181: my $client=IO::Socket::UNIX->new(Peer => $perlvar{'lonSockCreate'},
1.850 albertel 182: Type => SOCK_STREAM,
183: Timeout => 10);
184: return 0 if (!$client);
1.890 albertel 185: print $client (join(':',$hostname,$lonid,&machine_ids($hostname))."\n");
1.850 albertel 186: my $result = <$client>;
187: chomp($result);
188: return 1 if ($result eq 'done');
189: return 0;
190: }
191:
1.983 raeburn 192: sub get_server_timezone {
193: my ($cnum,$cdom) = @_;
194: my $home=&homeserver($cnum,$cdom);
195: if ($home ne 'no_host') {
196: my $cachetime = 24*3600;
197: my ($timezone,$cached)=&is_cached_new('servertimezone',$home);
198: if (defined($cached)) {
199: return $timezone;
200: } else {
201: my $timezone = &reply('servertimezone',$home);
202: return &do_cache_new('servertimezone',$home,$timezone,$cachetime);
203: }
204: }
205: }
1.850 albertel 206:
1.1106 raeburn 207: sub get_server_distarch {
208: my ($lonhost,$ignore_cache) = @_;
209: if (defined($lonhost)) {
210: if (!defined(&hostname($lonhost))) {
211: return;
212: }
213: my $cachetime = 12*3600;
214: if (!$ignore_cache) {
215: my ($distarch,$cached)=&is_cached_new('serverdistarch',$lonhost);
216: if (defined($cached)) {
217: return $distarch;
218: }
219: }
220: my $rep = &reply('serverdistarch',$lonhost);
221: unless ($rep eq 'unknown_command' || $rep eq 'no_such_host' ||
222: $rep eq 'con_lost' || $rep eq 'rejected' || $rep eq 'refused' ||
223: $rep eq '') {
224: return &do_cache_new('serverdistarch',$lonhost,$rep,$cachetime);
225: }
226: }
227: return;
228: }
229:
1.993 raeburn 230: sub get_server_loncaparev {
1.1073 raeburn 231: my ($dom,$lonhost,$ignore_cache,$caller) = @_;
1.993 raeburn 232: if (defined($lonhost)) {
233: if (!defined(&hostname($lonhost))) {
234: undef($lonhost);
235: }
236: }
237: if (!defined($lonhost)) {
238: if (defined(&domain($dom,'primary'))) {
239: $lonhost=&domain($dom,'primary');
240: if ($lonhost eq 'no_host') {
241: undef($lonhost);
242: }
243: }
244: }
245: if (defined($lonhost)) {
1.1073 raeburn 246: my $cachetime = 12*3600;
247: if (!$ignore_cache) {
248: my ($loncaparev,$cached)=&is_cached_new('serverloncaparev',$lonhost);
249: if (defined($cached)) {
250: return $loncaparev;
251: }
252: }
253: my ($answer,$loncaparev);
254: my @ids=¤t_machine_ids();
255: if (grep(/^\Q$lonhost\E$/,@ids)) {
256: $answer = $perlvar{'lonVersion'};
1.1081 raeburn 257: if ($answer =~ /^[\'\"]?([\w.\-]+)[\'\"]?$/) {
1.1073 raeburn 258: $loncaparev = $1;
259: }
260: } else {
261: $answer = &reply('serverloncaparev',$lonhost);
262: if (($answer eq 'unknown_cmd') || ($answer eq 'con_lost')) {
263: if ($caller eq 'loncron') {
264: my $ua=new LWP::UserAgent;
1.1082 raeburn 265: $ua->timeout(4);
1.1172.2.118. .3(raebu 266:20): my $hostname = &hostname($lonhost);
1.1073 raeburn 267: my $protocol = $protocol{$lonhost};
268: $protocol = 'http' if ($protocol ne 'https');
1.1172.2.118. .3(raebu 269:20): my $url = $protocol.'://'.$hostname.'/adm/about.html';
1.1073 raeburn 270: my $request=new HTTP::Request('GET',$url);
271: my $response=$ua->request($request);
272: unless ($response->is_error()) {
273: my $content = $response->content;
1.1081 raeburn 274: if ($content =~ /<p>VERSION\:\s*([\w.\-]+)<\/p>/) {
1.1073 raeburn 275: $loncaparev = $1;
276: }
277: }
278: } else {
279: $loncaparev = $loncaparevs{$lonhost};
280: }
1.1081 raeburn 281: } elsif ($answer =~ /^[\'\"]?([\w.\-]+)[\'\"]?$/) {
1.1073 raeburn 282: $loncaparev = $1;
283: }
1.993 raeburn 284: }
1.1073 raeburn 285: return &do_cache_new('serverloncaparev',$lonhost,$loncaparev,$cachetime);
1.993 raeburn 286: }
287: }
288:
1.1074 raeburn 289: sub get_server_homeID {
290: my ($hostname,$ignore_cache,$caller) = @_;
291: unless ($ignore_cache) {
292: my ($serverhomeID,$cached)=&is_cached_new('serverhomeID',$hostname);
293: if (defined($cached)) {
294: return $serverhomeID;
295: }
296: }
297: my $cachetime = 12*3600;
298: my $serverhomeID;
299: if ($caller eq 'loncron') {
300: my @machine_ids = &machine_ids($hostname);
301: foreach my $id (@machine_ids) {
302: my $response = &reply('serverhomeID',$id);
303: unless (($response eq 'unknown_cmd') || ($response eq 'con_lost')) {
304: $serverhomeID = $response;
305: last;
306: }
307: }
308: if ($serverhomeID eq '') {
309: $serverhomeID = $machine_ids[-1];
310: }
311: } else {
312: $serverhomeID = $serverhomeIDs{$hostname};
313: }
314: return &do_cache_new('serverhomeID',$hostname,$serverhomeID,$cachetime);
315: }
316:
1.1121 raeburn 317: sub get_remote_globals {
318: my ($lonhost,$whathash,$ignore_cache) = @_;
1.1125 raeburn 319: my ($result,%returnhash,%whatneeded);
320: if (ref($whathash) eq 'HASH') {
1.1121 raeburn 321: foreach my $what (sort(keys(%{$whathash}))) {
322: my $hashid = $lonhost.'-'.$what;
1.1125 raeburn 323: my ($response,$cached);
1.1121 raeburn 324: unless ($ignore_cache) {
1.1125 raeburn 325: ($response,$cached)=&is_cached_new('lonnetglobal',$hashid);
1.1121 raeburn 326: }
327: if (defined($cached)) {
1.1125 raeburn 328: $returnhash{$what} = $response;
1.1121 raeburn 329: } else {
1.1125 raeburn 330: $whatneeded{$what} = 1;
1.1121 raeburn 331: }
332: }
1.1125 raeburn 333: if (keys(%whatneeded) == 0) {
334: $result = 'ok';
335: } else {
1.1121 raeburn 336: my $requested = &freeze_escape(\%whatneeded);
337: my $rep=&reply('readlonnetglobal:'.$requested,$lonhost);
1.1125 raeburn 338: if (($rep=~/^(refused|rejected|error)/) || ($rep eq 'con_lost') ||
339: ($rep eq 'unknown_cmd')) {
340: $result = $rep;
341: } else {
342: $result = 'ok';
1.1121 raeburn 343: my @pairs=split(/\&/,$rep);
1.1125 raeburn 344: foreach my $item (@pairs) {
345: my ($key,$value)=split(/=/,$item,2);
346: my $what = &unescape($key);
347: my $hashid = $lonhost.'-'.$what;
348: $returnhash{$what}=&thaw_unescape($value);
349: &do_cache_new('lonnetglobal',$hashid,$returnhash{$what},600);
1.1121 raeburn 350: }
351: }
352: }
353: }
1.1125 raeburn 354: return ($result,\%returnhash);
1.1121 raeburn 355: }
356:
1.1124 raeburn 357: sub remote_devalidate_cache {
1.1172.2.35 raeburn 358: my ($lonhost,$cachekeys) = @_;
359: my $items;
360: return unless (ref($cachekeys) eq 'ARRAY');
361: my $cachestr = join('&',@{$cachekeys});
362: return &reply('devalidatecache:'.&escape($cachestr),$lonhost);
1.1124 raeburn 363: }
364:
1.1 albertel 365: # -------------------------------------------------- Non-critical communication
366: sub subreply {
367: my ($cmd,$server)=@_;
1.838 albertel 368: my $peerfile="$perlvar{'lonSockDir'}/".&hostname($server);
1.549 foxr 369: #
370: # With loncnew process trimming, there's a timing hole between lonc server
371: # process exit and the master server picking up the listen on the AF_UNIX
372: # socket. In that time interval, a lock file will exist:
373:
374: my $lockfile=$peerfile.".lock";
375: while (-e $lockfile) { # Need to wait for the lockfile to disappear.
1.1172.2.79 raeburn 376: sleep(0.1);
1.549 foxr 377: }
378: # At this point, either a loncnew parent is listening or an old lonc
1.550 foxr 379: # or loncnew child is listening so we can connect or everything's dead.
1.549 foxr 380: #
1.550 foxr 381: # We'll give the connection a few tries before abandoning it. If
382: # connection is not possible, we'll con_lost back to the client.
383: #
384: my $client;
385: for (my $retries = 0; $retries < $max_connection_retries; $retries++) {
386: $client=IO::Socket::UNIX->new(Peer =>"$peerfile",
387: Type => SOCK_STREAM,
388: Timeout => 10);
1.869 albertel 389: if ($client) {
1.550 foxr 390: last; # Connected!
1.850 albertel 391: } else {
1.853 albertel 392: &create_connection(&hostname($server),$server);
1.550 foxr 393: }
1.1172.2.79 raeburn 394: sleep(0.1); # Try again later if failed connection.
1.550 foxr 395: }
396: my $answer;
397: if ($client) {
1.704 albertel 398: print $client "sethost:$server:$cmd\n";
1.550 foxr 399: $answer=<$client>;
400: if (!$answer) { $answer="con_lost"; }
401: chomp($answer);
402: } else {
403: $answer = 'con_lost'; # Failed connection.
404: }
1.1 albertel 405: return $answer;
406: }
407:
408: sub reply {
409: my ($cmd,$server)=@_;
1.838 albertel 410: unless (defined(&hostname($server))) { return 'no_such_host'; }
1.1 albertel 411: my $answer=subreply($cmd,$server);
1.65 www 412: if (($answer=~/^refused/) || ($answer=~/^rejected/)) {
1.1172.2.111 raeburn 413: my $logged = $cmd;
414: if ($cmd =~ /^encrypt:([^:]+):/) {
415: my $subcmd = $1;
416: if (($subcmd eq 'auth') || ($subcmd eq 'passwd') ||
417: ($subcmd eq 'changeuserauth') || ($subcmd eq 'makeuser') ||
418: ($subcmd eq 'putdom') || ($subcmd eq 'autoexportgrades')) {
419: (undef,undef,my @rest) = split(/:/,$cmd);
420: if (($subcmd eq 'auth') || ($subcmd eq 'putdom')) {
421: splice(@rest,2,1,'Hidden');
422: } elsif ($subcmd eq 'passwd') {
423: splice(@rest,2,2,('Hidden','Hidden'));
424: } elsif (($subcmd eq 'changeuserauth') || ($subcmd eq 'makeuser') ||
425: ($subcmd eq 'autoexportgrades')) {
426: splice(@rest,3,1,'Hidden');
427: }
428: $logged = join(':',('encrypt:'.$subcmd,@rest));
429: }
430: }
431: &logthis("<font color=\"blue\">WARNING:".
432: " $logged to $server returned $answer</font>");
1.12 www 433: }
1.1 albertel 434: return $answer;
435: }
436:
437: # ----------------------------------------------------------- Send USR1 to lonc
438:
439: sub reconlonc {
1.891 albertel 440: my ($lonid) = @_;
441: if ($lonid) {
1.1172.2.72 raeburn 442: my $hostname = &hostname($lonid);
1.891 albertel 443: my $peerfile="$perlvar{'lonSockDir'}/$hostname";
444: if ($hostname && -e $peerfile) {
445: &logthis("Trying to reconnect lonc for $lonid ($hostname)");
446: my $client=IO::Socket::UNIX->new(Peer => $peerfile,
447: Type => SOCK_STREAM,
448: Timeout => 10);
449: if ($client) {
450: print $client ("reset_retries\n");
451: my $answer=<$client>;
452: #reset just this one.
453: }
454: }
455: return;
456: }
457:
1.836 www 458: &logthis("Trying to reconnect lonc");
1.1 albertel 459: my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";
1.1172.2.96 raeburn 460: if (open(my $fh,"<",$loncfile)) {
1.1 albertel 461: my $loncpid=<$fh>;
462: chomp($loncpid);
463: if (kill 0 => $loncpid) {
464: &logthis("lonc at pid $loncpid responding, sending USR1");
465: kill USR1 => $loncpid;
466: sleep 1;
1.836 www 467: } else {
1.12 www 468: &logthis(
1.672 albertel 469: "<font color=\"blue\">WARNING:".
1.12 www 470: " lonc at pid $loncpid not responding, giving up</font>");
1.1 albertel 471: }
472: } else {
1.836 www 473: &logthis('<font color="blue">WARNING: lonc not running, giving up</font>');
1.1 albertel 474: }
475: }
476:
477: # ------------------------------------------------------ Critical communication
1.12 www 478:
1.1 albertel 479: sub critical {
480: my ($cmd,$server)=@_;
1.838 albertel 481: unless (&hostname($server)) {
1.672 albertel 482: &logthis("<font color=\"blue\">WARNING:".
1.89 www 483: " Critical message to unknown server ($server)</font>");
484: return 'no_such_host';
485: }
1.1 albertel 486: my $answer=reply($cmd,$server);
487: if ($answer eq 'con_lost') {
1.1172.2.72 raeburn 488: &reconlonc($server);
1.589 albertel 489: my $answer=reply($cmd,$server);
1.1 albertel 490: if ($answer eq 'con_lost') {
491: my $now=time;
492: my $middlename=$cmd;
1.5 www 493: $middlename=substr($middlename,0,16);
1.1 albertel 494: $middlename=~s/\W//g;
495: my $dfilename=
1.305 www 496: "$perlvar{'lonSockDir'}/delayed/$now.$dumpcount.$$.$middlename.$server";
497: $dumpcount++;
1.1 albertel 498: {
1.448 albertel 499: my $dfh;
1.1172.2.96 raeburn 500: if (open($dfh,">",$dfilename)) {
1.448 albertel 501: print $dfh "$cmd\n";
502: close($dfh);
503: }
1.1 albertel 504: }
1.1172.2.79 raeburn 505: sleep 1;
1.1 albertel 506: my $wcmd='';
507: {
1.448 albertel 508: my $dfh;
1.1172.2.96 raeburn 509: if (open($dfh,"<",$dfilename)) {
1.448 albertel 510: $wcmd=<$dfh>;
511: close($dfh);
512: }
1.1 albertel 513: }
514: chomp($wcmd);
1.7 www 515: if ($wcmd eq $cmd) {
1.672 albertel 516: &logthis("<font color=\"blue\">WARNING: ".
1.12 www 517: "Connection buffer $dfilename: $cmd</font>");
1.1 albertel 518: &logperm("D:$server:$cmd");
519: return 'con_delayed';
520: } else {
1.672 albertel 521: &logthis("<font color=\"red\">CRITICAL:"
1.12 www 522: ." Critical connection failed: $server $cmd</font>");
1.1 albertel 523: &logperm("F:$server:$cmd");
524: return 'con_failed';
525: }
526: }
527: }
528: return $answer;
1.405 albertel 529: }
530:
1.755 albertel 531: # ------------------------------------------- check if return value is an error
532:
533: sub error {
534: my ($result) = @_;
1.756 albertel 535: if ($result =~ /^(con_lost|no_such_host|error: (\d+) (.*))/) {
1.755 albertel 536: if ($2 == 2) { return undef; }
537: return $1;
538: }
539: return undef;
540: }
541:
1.783 albertel 542: sub convert_and_load_session_env {
543: my ($lonidsdir,$handle)=@_;
544: my @profile;
545: {
1.917 albertel 546: my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id");
547: if (!$opened) {
1.915 albertel 548: return 0;
549: }
1.783 albertel 550: flock($idf,LOCK_SH);
551: @profile=<$idf>;
552: close($idf);
553: }
554: my %temp_env;
555: foreach my $line (@profile) {
1.786 albertel 556: if ($line !~ m/=/) {
557: return 0;
558: }
1.783 albertel 559: chomp($line);
560: my ($envname,$envvalue)=split(/=/,$line,2);
561: $temp_env{&unescape($envname)} = &unescape($envvalue);
562: }
563: unlink("$lonidsdir/$handle.id");
564: if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id",&GDBM_WRCREAT(),
565: 0640)) {
566: %disk_env = %temp_env;
567: @env{keys(%temp_env)} = @disk_env{keys(%temp_env)};
568: untie(%disk_env);
569: }
1.786 albertel 570: return 1;
1.783 albertel 571: }
572:
1.374 www 573: # ------------------------------------------- Transfer profile into environment
1.780 albertel 574: my $env_loaded;
575: sub transfer_profile_to_env {
1.788 albertel 576: my ($lonidsdir,$handle,$force_transfer) = @_;
577: if (!$force_transfer && $env_loaded) { return; }
1.374 www 578:
1.720 albertel 579: if (!defined($lonidsdir)) {
580: $lonidsdir = $perlvar{'lonIDsDir'};
581: }
582: if (!defined($handle)) {
583: ($handle) = ($env{'user.environment'} =~m|/([^/]+)\.id$| );
584: }
585:
1.786 albertel 586: my $convert;
587: {
1.917 albertel 588: my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id");
589: if (!$opened) {
1.915 albertel 590: return;
591: }
1.786 albertel 592: flock($idf,LOCK_SH);
593: if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id",
594: &GDBM_READER(),0640)) {
595: @env{keys(%disk_env)} = @disk_env{keys(%disk_env)};
596: untie(%disk_env);
597: } else {
598: $convert = 1;
599: }
600: }
601: if ($convert) {
602: if (!&convert_and_load_session_env($lonidsdir,$handle)) {
603: &logthis("Failed to load session, or convert session.");
604: }
1.374 www 605: }
1.783 albertel 606:
1.786 albertel 607: my %remove;
1.783 albertel 608: while ( my $envname = each(%env) ) {
1.433 matthew 609: if (my ($key,$time) = ($envname =~ /^(cgi\.(\d+)_\d+\.)/)) {
610: if ($time < time-300) {
1.783 albertel 611: $remove{$key}++;
1.433 matthew 612: }
613: }
614: }
1.783 albertel 615:
1.619 albertel 616: $env{'user.environment'} = "$lonidsdir/$handle.id";
1.780 albertel 617: $env_loaded=1;
1.783 albertel 618: foreach my $expired_key (keys(%remove)) {
1.433 matthew 619: &delenv($expired_key);
1.374 www 620: }
1.1 albertel 621: }
622:
1.916 albertel 623: # ---------------------------------------------------- Check for valid session
624: sub check_for_valid_session {
1.1172.2.96 raeburn 625: my ($r,$name,$userhashref,$domref) = @_;
1.916 albertel 626: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
1.1172.2.108 raeburn 627: my ($lonidsdir,$linkname,$pubname,$secure,$lonid);
1.1155 raeburn 628: if ($name eq 'lonDAV') {
629: $lonidsdir=$r->dir_config('lonDAVsessDir');
630: } else {
631: $lonidsdir=$r->dir_config('lonIDsDir');
1.1172.2.108 raeburn 632: if ($name eq '') {
633: $name = 'lonID';
634: }
635: }
636: if ($name eq 'lonID') {
637: $secure = 'lonSID';
638: $linkname = 'lonLinkID';
639: $pubname = 'lonPubID';
640: if (exists($cookies{$secure})) {
641: $lonid=$cookies{$secure};
642: } elsif (exists($cookies{$name})) {
643: $lonid=$cookies{$name};
644: } elsif ((exists($cookies{$linkname})) && ($ENV{'SERVER_PORT'} != 443)) {
645: $lonid=$cookies{$linkname};
646: } elsif (exists($cookies{$pubname})) {
647: $lonid=$cookies{$pubname};
648: }
649: } else {
650: $lonid=$cookies{$name};
651: }
652: return undef if (!$lonid);
653:
654: my $handle=&LONCAPA::clean_handle($lonid->value);
655: if (-l "$lonidsdir/$handle.id") {
656: my $link = readlink("$lonidsdir/$handle.id");
657: if ((-e $link) && ($link =~ m{^\Q$lonidsdir\E/(.+)\.id$})) {
658: $handle = $1;
659: }
1.1155 raeburn 660: }
1.1172.2.96 raeburn 661: if (!-e "$lonidsdir/$handle.id") {
662: if ((ref($domref)) && ($name eq 'lonID') &&
663: ($handle =~ /^($match_username)\_\d+\_($match_domain)\_(.+)$/)) {
664: my ($possuname,$possudom,$possuhome) = ($1,$2,$3);
665: if ((&domain($possudom) ne '') && (&homeserver($possuname,$possudom) eq $possuhome)) {
666: $$domref = $possudom;
667: }
668: }
669: return undef;
670: }
1.916 albertel 671:
1.917 albertel 672: my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id");
673: return undef if (!$opened);
1.916 albertel 674:
675: flock($idf,LOCK_SH);
676: my %disk_env;
677: if (!tie(%disk_env,'GDBM_File',"$lonidsdir/$handle.id",
678: &GDBM_READER(),0640)) {
679: return undef;
680: }
681:
682: if (!defined($disk_env{'user.name'})
683: || !defined($disk_env{'user.domain'})) {
1.1172.2.107 raeburn 684: untie(%disk_env);
1.916 albertel 685: return undef;
686: }
1.1172.2.18 raeburn 687:
1.1172.2.36 raeburn 688: if (ref($userhashref) eq 'HASH') {
689: $userhashref->{'name'} = $disk_env{'user.name'};
690: $userhashref->{'domain'} = $disk_env{'user.domain'};
1.1172.2.18 raeburn 691: }
1.1172.2.107 raeburn 692: untie(%disk_env);
1.1172.2.18 raeburn 693:
1.916 albertel 694: return $handle;
695: }
696:
1.830 albertel 697: sub timed_flock {
698: my ($file,$lock_type) = @_;
699: my $failed=0;
700: eval {
701: local $SIG{__DIE__}='DEFAULT';
702: local $SIG{ALRM}=sub {
703: $failed=1;
704: die("failed lock");
705: };
706: alarm(13);
707: flock($file,$lock_type);
708: alarm(0);
709: };
710: if ($failed) {
711: return undef;
712: } else {
713: return 1;
714: }
715: }
716:
1.1172.2.107 raeburn 717: sub get_sessionfile_vars {
718: my ($handle,$lonidsdir,$storearr) = @_;
719: my %returnhash;
720: unless (ref($storearr) eq 'ARRAY') {
721: return %returnhash;
722: }
723: if (-l "$lonidsdir/$handle.id") {
724: my $link = readlink("$lonidsdir/$handle.id");
725: if ((-e $link) && ($link =~ m{^\Q$lonidsdir\E/(.+)\.id$})) {
726: $handle = $1;
727: }
728: }
729: if ((-e "$lonidsdir/$handle.id") &&
730: ($handle =~ /^($match_username)\_\d+\_($match_domain)\_(.+)$/)) {
731: my ($possuname,$possudom,$possuhome) = ($1,$2,$3);
732: if ((&domain($possudom) ne '') && (&homeserver($possuname,$possudom) eq $possuhome)) {
733: if (open(my $idf,'+<',"$lonidsdir/$handle.id")) {
734: flock($idf,LOCK_SH);
735: if (tie(my %disk_env,'GDBM_File',"$lonidsdir/$handle.id",
736: &GDBM_READER(),0640)) {
737: foreach my $item (@{$storearr}) {
738: $returnhash{$item} = $disk_env{$item};
739: }
740: untie(%disk_env);
741: }
742: }
743: }
744: }
745: return %returnhash;
746: }
747:
1.5 www 748: # ---------------------------------------------------------- Append Environment
749:
750: sub appenv {
1.949 raeburn 751: my ($newenv,$roles) = @_;
752: if (ref($newenv) eq 'HASH') {
753: foreach my $key (keys(%{$newenv})) {
754: my $refused = 0;
755: if (($key =~ /^user\.role/) || ($key =~ /^user\.priv/)) {
756: $refused = 1;
757: if (ref($roles) eq 'ARRAY') {
1.1172.2.40 raeburn 758: my ($type,$role) = ($key =~ m{^user\.(role|priv)\.(.+?)\./});
1.949 raeburn 759: if (grep(/^\Q$role\E$/,@{$roles})) {
760: $refused = 0;
761: }
762: }
763: }
764: if ($refused) {
765: &logthis("<font color=\"blue\">WARNING: ".
766: "Attempt to modify environment ".$key." to ".$newenv->{$key}
767: .'</font>');
768: delete($newenv->{$key});
769: } else {
770: $env{$key}=$newenv->{$key};
771: }
772: }
1.1172.2.96 raeburn 773: my $lonids = $perlvar{'lonIDsDir'};
774: if ($env{'user.environment'} =~ m{^\Q$lonids/\E$match_username\_\d+\_$match_domain\_[\w\-.]+\.id$}) {
775: my $opened = open(my $env_file,'+<',$env{'user.environment'});
776: if ($opened
777: && &timed_flock($env_file,LOCK_EX)
778: &&
779: tie(my %disk_env,'GDBM_File',$env{'user.environment'},
780: (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) {
781: while (my ($key,$value) = each(%{$newenv})) {
782: $disk_env{$key} = $value;
783: }
784: untie(%disk_env);
785: }
1.35 www 786: }
1.191 harris41 787: }
1.56 www 788: return 'ok';
789: }
790: # ----------------------------------------------------- Delete from Environment
791:
792: sub delenv {
1.1104 raeburn 793: my ($delthis,$regexp,$roles) = @_;
794: if (($delthis=~/^user\.role/) || ($delthis=~/^user\.priv/)) {
795: my $refused = 1;
796: if (ref($roles) eq 'ARRAY') {
797: my ($type,$role) = ($delthis =~ /^user\.(role|priv)\.([^.]+)\./);
798: if (grep(/^\Q$role\E$/,@{$roles})) {
799: $refused = 0;
800: }
801: }
802: if ($refused) {
803: &logthis("<font color=\"blue\">WARNING: ".
804: "Attempt to delete from environment ".$delthis);
805: return 'error';
806: }
1.56 www 807: }
1.917 albertel 808: my $opened = open(my $env_file,'+<',$env{'user.environment'});
809: if ($opened
1.915 albertel 810: && &timed_flock($env_file,LOCK_EX)
1.830 albertel 811: &&
812: tie(my %disk_env,'GDBM_File',$env{'user.environment'},
813: (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) {
1.783 albertel 814: foreach my $key (keys(%disk_env)) {
1.987 raeburn 815: if ($regexp) {
816: if ($key=~/^$delthis/) {
817: delete($env{$key});
818: delete($disk_env{$key});
819: }
820: } else {
821: if ($key=~/^\Q$delthis\E/) {
822: delete($env{$key});
823: delete($disk_env{$key});
824: }
825: }
1.448 albertel 826: }
1.783 albertel 827: untie(%disk_env);
1.5 www 828: }
829: return 'ok';
1.369 albertel 830: }
831:
1.790 albertel 832: sub get_env_multiple {
833: my ($name) = @_;
834: my @values;
835: if (defined($env{$name})) {
836: # exists is it an array
837: if (ref($env{$name})) {
838: @values=@{ $env{$name} };
839: } else {
840: $values[0]=$env{$name};
841: }
842: }
843: return(@values);
844: }
845:
1.958 www 846: # ------------------------------------------------------------------- Locking
847:
848: sub set_lock {
849: my ($text)=@_;
850: $locknum++;
851: my $id=$$.'-'.$locknum;
852: &appenv({'session.locks' => $env{'session.locks'}.','.$id,
853: 'session.lock.'.$id => $text});
854: return $id;
855: }
856:
857: sub get_locks {
858: my $num=0;
859: my %texts=();
860: foreach my $lock (split(/\,/,$env{'session.locks'})) {
861: if ($lock=~/\w/) {
862: $num++;
863: $texts{$lock}=$env{'session.lock.'.$lock};
864: }
865: }
866: return ($num,%texts);
867: }
868:
869: sub remove_lock {
870: my ($id)=@_;
871: my $newlocks='';
872: foreach my $lock (split(/\,/,$env{'session.locks'})) {
873: if (($lock=~/\w/) && ($lock ne $id)) {
874: $newlocks.=','.$lock;
875: }
876: }
877: &appenv({'session.locks' => $newlocks});
878: &delenv('session.lock.'.$id);
879: }
880:
881: sub remove_all_locks {
882: my $activelocks=$env{'session.locks'};
883: foreach my $lock (split(/\,/,$env{'session.locks'})) {
884: if ($lock=~/\w/) {
885: &remove_lock($lock);
886: }
887: }
888: }
889:
890:
1.369 albertel 891: # ------------------------------------------ Find out current server userload
892: sub userload {
893: my $numusers=0;
894: {
895: opendir(LONIDS,$perlvar{'lonIDsDir'});
896: my $filename;
897: my $curtime=time;
898: while ($filename=readdir(LONIDS)) {
1.925 albertel 899: next if ($filename eq '.' || $filename eq '..');
900: next if ($filename =~ /publicuser_\d+\.id/);
1.1172.2.112 raeburn 901: next if ($filename =~ /^[a-f0-9]+_linked\.id$/);
1.404 albertel 902: my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9];
1.437 albertel 903: if ($curtime-$mtime < 1800) { $numusers++; }
1.369 albertel 904: }
905: closedir(LONIDS);
906: }
907: my $userloadpercent=0;
908: my $maxuserload=$perlvar{'lonUserLoadLim'};
909: if ($maxuserload) {
1.371 albertel 910: $userloadpercent=100*$numusers/$maxuserload;
1.369 albertel 911: }
1.372 albertel 912: $userloadpercent=sprintf("%.2f",$userloadpercent);
1.369 albertel 913: return $userloadpercent;
1.283 www 914: }
915:
1.1 albertel 916: # ------------------------------ Find server with least workload from spare.tab
1.11 www 917:
1.1 albertel 918: sub spareserver {
1.1083 raeburn 919: my ($loadpercent,$userloadpercent,$want_server_name,$udom) = @_;
1.784 albertel 920: my $spare_server;
1.370 albertel 921: if ($userloadpercent !~ /\d/) { $userloadpercent=0; }
1.784 albertel 922: my $lowest_load=($loadpercent > $userloadpercent) ? $loadpercent
923: : $userloadpercent;
1.1083 raeburn 924: my ($uint_dom,$remotesessions);
925: if (($udom ne '') && (&domain($udom) ne '')) {
926: my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
927: $uint_dom = &Apache::lonnet::internet_dom($uprimary_id);
928: my %udomdefaults = &Apache::lonnet::get_domain_defaults($udom);
929: $remotesessions = $udomdefaults{'remotesessions'};
930: }
1.1123 raeburn 931: my $spareshash = &this_host_spares($udom);
932: if (ref($spareshash) eq 'HASH') {
933: if (ref($spareshash->{'primary'}) eq 'ARRAY') {
934: foreach my $try_server (@{ $spareshash->{'primary'} }) {
1.1172.2.62 raeburn 935: next unless (&spare_can_host($udom,$uint_dom,$remotesessions,
936: $try_server));
1.1123 raeburn 937: ($spare_server, $lowest_load) =
938: &compare_server_load($try_server, $spare_server, $lowest_load);
939: }
1.1083 raeburn 940: }
1.784 albertel 941:
1.1123 raeburn 942: my $found_server = ($spare_server ne '' && $lowest_load < 100);
943:
944: if (!$found_server) {
945: if (ref($spareshash->{'default'}) eq 'ARRAY') {
946: foreach my $try_server (@{ $spareshash->{'default'} }) {
1.1172.2.62 raeburn 947: next unless (&spare_can_host($udom,$uint_dom,
948: $remotesessions,$try_server));
1.1123 raeburn 949: ($spare_server, $lowest_load) =
950: &compare_server_load($try_server, $spare_server, $lowest_load);
951: }
952: }
953: }
1.784 albertel 954: }
955:
956: if (!$want_server_name) {
1.1001 raeburn 957: if (defined($spare_server)) {
958: my $hostname = &hostname($spare_server);
1.1083 raeburn 959: if (defined($hostname)) {
1.1172.2.118. .3(raebu 960:20): my $protocol = 'http';
961:20): if ($protocol{$spare_server} eq 'https') {
962:20): $protocol = $protocol{$spare_server};
963:20): }
1.1001 raeburn 964: $spare_server = $protocol.'://'.$hostname;
965: }
966: }
1.784 albertel 967: }
968: return $spare_server;
969: }
970:
971: sub compare_server_load {
1.1172.2.41 raeburn 972: my ($try_server, $spare_server, $lowest_load, $required) = @_;
973:
974: if ($required) {
975: my ($reqdmajor,$reqdminor) = ($required =~ /^(\d+)\.(\d+)$/);
976: my $remoterev = &get_server_loncaparev(undef,$try_server);
977: my ($major,$minor) = ($remoterev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/);
978: if (($major eq '' && $minor eq '') ||
979: (($reqdmajor > $major) || (($reqdmajor == $major) && ($reqdminor > $minor)))) {
980: return ($spare_server,$lowest_load);
981: }
982: }
1.784 albertel 983:
984: my $loadans = &reply('load', $try_server);
985: my $userloadans = &reply('userload',$try_server);
986:
987: if ($loadans !~ /\d/ && $userloadans !~ /\d/) {
1.1114 raeburn 988: return ($spare_server, $lowest_load); #didn't get a number from the server
1.784 albertel 989: }
990:
991: my $load;
992: if ($loadans =~ /\d/) {
993: if ($userloadans =~ /\d/) {
994: #both are numbers, pick the bigger one
995: $load = ($loadans > $userloadans) ? $loadans
996: : $userloadans;
1.411 albertel 997: } else {
1.784 albertel 998: $load = $loadans;
1.411 albertel 999: }
1.784 albertel 1000: } else {
1001: $load = $userloadans;
1002: }
1003:
1004: if (($load =~ /\d/) && ($load < $lowest_load)) {
1005: $spare_server = $try_server;
1006: $lowest_load = $load;
1.370 albertel 1007: }
1.784 albertel 1008: return ($spare_server,$lowest_load);
1.202 matthew 1009: }
1.914 albertel 1010:
1011: # --------------------------- ask offload servers if user already has a session
1012: sub find_existing_session {
1013: my ($udom,$uname) = @_;
1.1123 raeburn 1014: my $spareshash = &this_host_spares($udom);
1015: if (ref($spareshash) eq 'HASH') {
1016: if (ref($spareshash->{'primary'}) eq 'ARRAY') {
1017: foreach my $try_server (@{ $spareshash->{'primary'} }) {
1018: return $try_server if (&has_user_session($try_server, $udom, $uname));
1019: }
1020: }
1021: if (ref($spareshash->{'default'}) eq 'ARRAY') {
1022: foreach my $try_server (@{ $spareshash->{'default'} }) {
1023: return $try_server if (&has_user_session($try_server, $udom, $uname));
1024: }
1025: }
1.914 albertel 1026: }
1027: return;
1028: }
1029:
1.1172.2.107 raeburn 1030: # check if user's browser sent load balancer cookie and server still has session
1031: # and is not overloaded.
1032: sub check_for_balancer_cookie {
1033: my ($r,$update_mtime) = @_;
1034: my ($otherserver,$cookie);
1035: my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
1036: if (exists($cookies{'balanceID'})) {
1037: my $balid = $cookies{'balanceID'};
1038: $cookie=&LONCAPA::clean_handle($balid->value);
1039: my $balancedir=$r->dir_config('lonBalanceDir');
1040: if ((-d $balancedir) && (-e "$balancedir/$cookie.id")) {
1041: if ($cookie =~ /^($match_domain)_($match_username)_[a-f0-9]+$/) {
1042: my ($possudom,$possuname) = ($1,$2);
1043: my $has_session = 0;
1044: if ((&domain($possudom) ne '') &&
1045: (&homeserver($possuname,$possudom) ne 'no_host')) {
1046: my $try_server;
1047: my $opened = open(my $idf,'+<',"$balancedir/$cookie.id");
1048: if ($opened) {
1049: flock($idf,LOCK_SH);
1050: while (my $line = <$idf>) {
1051: chomp($line);
1052: if (&hostname($line) ne '') {
1053: $try_server = $line;
1054: last;
1055: }
1056: }
1057: close($idf);
1058: if (($try_server) &&
1059: (&has_user_session($try_server,$possudom,$possuname))) {
1060: my $lowest_load = 30000;
1061: ($otherserver,$lowest_load) =
1062: &compare_server_load($try_server,undef,$lowest_load);
1063: if ($otherserver ne '' && $lowest_load < 100) {
1064: $has_session = 1;
1065: } else {
1066: undef($otherserver);
1067: }
1068: }
1069: }
1070: }
1071: if ($has_session) {
1072: if ($update_mtime) {
1073: my $atime = my $mtime = time;
1074: utime($atime,$mtime,"$balancedir/$cookie.id");
1075: }
1076: } else {
1077: unlink("$balancedir/$cookie.id");
1078: }
1079: }
1080: }
1081: }
1082: return ($otherserver,$cookie);
1083: }
1084:
1085: sub delbalcookie {
1086: my ($cookie,$balancer) =@_;
1087: if ($cookie =~ /^($match_domain)\_($match_username)\_[a-f0-9]{32}$/) {
1088: my ($udom,$uname) = ($1,$2);
1089: my $uprimary_id = &domain($udom,'primary');
1090: my $uintdom = &internet_dom($uprimary_id);
1091: my $intdom = &internet_dom($balancer);
1092: my $serverhomedom = &host_domain($balancer);
1093: if (($uintdom ne '') && ($uintdom eq $intdom)) {
1094: return &reply("delbalcookie:$cookie",$balancer);
1095: }
1096: }
1097: }
1098:
1.914 albertel 1099: # -------------------------------- ask if server already has a session for user
1100: sub has_user_session {
1101: my ($lonid,$udom,$uname) = @_;
1102: my $result = &reply(join(':','userhassession',
1103: map {&escape($_)} ($udom,$uname)),$lonid);
1104: return 1 if ($result eq 'ok');
1105:
1106: return 0;
1107: }
1108:
1.1076 raeburn 1109: # --------- determine least loaded server in a user's domain which allows login
1110:
1111: sub choose_server {
1.1172.2.47 raeburn 1112: my ($udom,$checkloginvia,$required,$skiploadbal) = @_;
1.1076 raeburn 1113: my %domconfhash = &Apache::loncommon::get_domainconf($udom);
1.1077 raeburn 1114: my %servers = &get_servers($udom);
1.1076 raeburn 1115: my $lowest_load = 30000;
1.1172.2.47 raeburn 1116: my ($login_host,$hostname,$portal_path,$isredirect,$balancers);
1117: if ($skiploadbal) {
1118: ($balancers,my $cached)=&is_cached_new('loadbalancing',$udom);
1119: unless (defined($cached)) {
1120: my $cachetime = 60*60*24;
1121: my %domconfig =
1122: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$udom);
1123: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
1124: $balancers = &do_cache_new('loadbalancing',$udom,$domconfig{'loadbalancing'},
1125: $cachetime);
1126: }
1127: }
1128: }
1.1076 raeburn 1129: foreach my $lonhost (keys(%servers)) {
1.1115 raeburn 1130: my $loginvia;
1.1172.2.47 raeburn 1131: if ($skiploadbal) {
1132: if (ref($balancers) eq 'HASH') {
1133: next if (exists($balancers->{$lonhost}));
1134: }
1135: }
1.1115 raeburn 1136: if ($checkloginvia) {
1137: $loginvia = $domconfhash{$udom.'.login.loginvia_'.$lonhost};
1.1116 raeburn 1138: if ($loginvia) {
1139: my ($server,$path) = split(/:/,$loginvia);
1140: ($login_host, $lowest_load) =
1.1172.2.41 raeburn 1141: &compare_server_load($server, $login_host, $lowest_load, $required);
1.1116 raeburn 1142: if ($login_host eq $server) {
1143: $portal_path = $path;
1.1151 raeburn 1144: $isredirect = 1;
1.1116 raeburn 1145: }
1146: } else {
1147: ($login_host, $lowest_load) =
1.1172.2.41 raeburn 1148: &compare_server_load($lonhost, $login_host, $lowest_load, $required);
1.1116 raeburn 1149: if ($login_host eq $lonhost) {
1150: $portal_path = '';
1.1151 raeburn 1151: $isredirect = '';
1.1116 raeburn 1152: }
1153: }
1154: } else {
1.1076 raeburn 1155: ($login_host, $lowest_load) =
1.1172.2.41 raeburn 1156: &compare_server_load($lonhost, $login_host, $lowest_load, $required);
1.1076 raeburn 1157: }
1158: }
1159: if ($login_host ne '') {
1.1116 raeburn 1160: $hostname = &hostname($login_host);
1.1076 raeburn 1161: }
1.1172.2.88 raeburn 1162: return ($login_host,$hostname,$portal_path,$isredirect,$lowest_load);
1.1076 raeburn 1163: }
1164:
1.1172.2.118. .5(raebu 1165:20): sub get_course_sessions {
1166:20): my ($cnum,$cdom,$lastactivity) = @_;
1167:20): my %servers = &internet_dom_servers($cdom);
1168:20): my %returnhash;
1169:20): foreach my $server (sort(keys(%servers))) {
1170:20): my $rep = &reply("coursesessions:$cdom:$cnum:$lastactivity",$server);
1171:20): my @pairs=split(/\&/,$rep);
1172:20): unless (($rep eq 'unknown_cmd') || ($rep =~ /^error/)) {
1173:20): foreach my $item (@pairs) {
1174:20): my ($key,$value)=split(/=/,$item,2);
1175:20): $key = &unescape($key);
1176:20): next if ($key =~ /^error: 2 /);
1177:20): if (exists($returnhash{$key})) {
1178:20): next if ($value < $returnhash{$key});
1179:20): }
1180:20): $returnhash{$key}=$value;
1181:20): }
1182:20): }
1183:20): }
1184:20): return %returnhash;
1185:20): }
1186:20):
1.202 matthew 1187: # --------------------------------------------- Try to change a user's password
1188:
1189: sub changepass {
1.799 raeburn 1190: my ($uname,$udom,$currentpass,$newpass,$server,$context)=@_;
1.202 matthew 1191: $currentpass = &escape($currentpass);
1192: $newpass = &escape($newpass);
1.1030 raeburn 1193: my $lonhost = $perlvar{'lonHostID'};
1194: my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass:$context:$lonhost",
1.202 matthew 1195: $server);
1196: if (! $answer) {
1197: &logthis("No reply on password change request to $server ".
1198: "by $uname in domain $udom.");
1199: } elsif ($answer =~ "^ok") {
1200: &logthis("$uname in $udom successfully changed their password ".
1201: "on $server.");
1202: } elsif ($answer =~ "^pwchange_failure") {
1203: &logthis("$uname in $udom was unable to change their password ".
1204: "on $server. The action was blocked by either lcpasswd ".
1205: "or pwchange");
1206: } elsif ($answer =~ "^non_authorized") {
1207: &logthis("$uname in $udom did not get their password correct when ".
1208: "attempting to change it on $server.");
1209: } elsif ($answer =~ "^auth_mode_error") {
1210: &logthis("$uname in $udom attempted to change their password despite ".
1211: "not being locally or internally authenticated on $server.");
1212: } elsif ($answer =~ "^unknown_user") {
1213: &logthis("$uname in $udom attempted to change their password ".
1214: "on $server but were unable to because $server is not ".
1215: "their home server.");
1216: } elsif ($answer =~ "^refused") {
1217: &logthis("$server refused to change $uname in $udom password because ".
1218: "it was sent an unencrypted request to change the password.");
1.1030 raeburn 1219: } elsif ($answer =~ "invalid_client") {
1220: &logthis("$server refused to change $uname in $udom password because ".
1221: "it was a reset by e-mail originating from an invalid server.");
1.1172.2.113 raeburn 1222: } elsif ($answer =~ "^prioruse") {
1223: &logthis("$server refused to change $uname in $udom password because ".
1224: "the password had been used before");
1.202 matthew 1225: }
1226: return $answer;
1.1 albertel 1227: }
1228:
1.169 harris41 1229: # ----------------------- Try to determine user's current authentication scheme
1230:
1231: sub queryauthenticate {
1232: my ($uname,$udom)=@_;
1.456 albertel 1233: my $uhome=&homeserver($uname,$udom);
1234: if (!$uhome) {
1235: &logthis("User $uname at $udom is unknown when looking for authentication mechanism");
1236: return 'no_host';
1237: }
1238: my $answer=reply("encrypt:currentauth:$udom:$uname",$uhome);
1239: if ($answer =~ /^(unknown_user|refused|con_lost)/) {
1240: &logthis("User $uname at $udom threw error $answer when checking authentication mechanism");
1.169 harris41 1241: }
1.456 albertel 1242: return $answer;
1.169 harris41 1243: }
1244:
1.1 albertel 1245: # --------- Try to authenticate user from domain's lib servers (first this one)
1.11 www 1246:
1.1 albertel 1247: sub authenticate {
1.1073 raeburn 1248: my ($uname,$upass,$udom,$checkdefauth,$clientcancheckhost)=@_;
1.807 albertel 1249: $upass=&escape($upass);
1250: $uname= &LONCAPA::clean_username($uname);
1.836 www 1251: my $uhome=&homeserver($uname,$udom,1);
1.952 raeburn 1252: my $newhome;
1.836 www 1253: if ((!$uhome) || ($uhome eq 'no_host')) {
1254: # Maybe the machine was offline and only re-appeared again recently?
1255: &reconlonc();
1256: # One more
1.952 raeburn 1257: $uhome=&homeserver($uname,$udom,1);
1258: if (($uhome eq 'no_host') && $checkdefauth) {
1259: if (defined(&domain($udom,'primary'))) {
1260: $newhome=&domain($udom,'primary');
1261: }
1262: if ($newhome ne '') {
1263: $uhome = $newhome;
1264: }
1265: }
1.836 www 1266: if ((!$uhome) || ($uhome eq 'no_host')) {
1267: &logthis("User $uname at $udom is unknown in authenticate");
1.952 raeburn 1268: return 'no_host';
1269: }
1.1 albertel 1270: }
1.1073 raeburn 1271: my $answer=reply("encrypt:auth:$udom:$uname:$upass:$checkdefauth:$clientcancheckhost",$uhome);
1.471 albertel 1272: if ($answer eq 'authorized') {
1.952 raeburn 1273: if ($newhome) {
1274: &logthis("User $uname at $udom authorized by $uhome, but needs account");
1275: return 'no_account_on_host';
1276: } else {
1277: &logthis("User $uname at $udom authorized by $uhome");
1278: return $uhome;
1279: }
1.471 albertel 1280: }
1281: if ($answer eq 'non_authorized') {
1282: &logthis("User $uname at $udom rejected by $uhome");
1283: return 'no_host';
1.9 www 1284: }
1.471 albertel 1285: &logthis("User $uname at $udom threw error $answer when checking authentication mechanism");
1.1 albertel 1286: return 'no_host';
1287: }
1288:
1.1073 raeburn 1289: sub can_host_session {
1.1074 raeburn 1290: my ($udom,$lonhost,$remoterev,$remotesessions,$hostedsessions) = @_;
1.1073 raeburn 1291: my $canhost = 1;
1.1074 raeburn 1292: my $host_idn = &Apache::lonnet::internet_dom($lonhost);
1.1073 raeburn 1293: if (ref($remotesessions) eq 'HASH') {
1294: if (ref($remotesessions->{'excludedomain'}) eq 'ARRAY') {
1.1074 raeburn 1295: if (grep(/^\Q$host_idn\E$/,@{$remotesessions->{'excludedomain'}})) {
1.1073 raeburn 1296: $canhost = 0;
1297: } else {
1298: $canhost = 1;
1299: }
1300: }
1301: if (ref($remotesessions->{'includedomain'}) eq 'ARRAY') {
1.1074 raeburn 1302: if (grep(/^\Q$host_idn\E$/,@{$remotesessions->{'includedomain'}})) {
1.1073 raeburn 1303: $canhost = 1;
1304: } else {
1305: $canhost = 0;
1306: }
1307: }
1308: if ($canhost) {
1309: if ($remotesessions->{'version'} ne '') {
1310: my ($reqmajor,$reqminor) = ($remotesessions->{'version'} =~ /^(\d+)\.(\d+)$/);
1311: if ($reqmajor ne '' && $reqminor ne '') {
1312: if ($remoterev =~ /^\'?(\d+)\.(\d+)/) {
1313: my $major = $1;
1314: my $minor = $2;
1315: if (($major < $reqmajor ) ||
1316: (($major == $reqmajor) && ($minor < $reqminor))) {
1317: $canhost = 0;
1318: }
1319: } else {
1320: $canhost = 0;
1321: }
1322: }
1323: }
1324: }
1325: }
1326: if ($canhost) {
1327: if (ref($hostedsessions) eq 'HASH') {
1.1120 raeburn 1328: my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
1329: my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id);
1.1073 raeburn 1330: if (ref($hostedsessions->{'excludedomain'}) eq 'ARRAY') {
1.1120 raeburn 1331: if (($uint_dom ne '') &&
1332: (grep(/^\Q$uint_dom\E$/,@{$hostedsessions->{'excludedomain'}}))) {
1.1073 raeburn 1333: $canhost = 0;
1334: } else {
1335: $canhost = 1;
1336: }
1337: }
1338: if (ref($hostedsessions->{'includedomain'}) eq 'ARRAY') {
1.1120 raeburn 1339: if (($uint_dom ne '') &&
1340: (grep(/^\Q$uint_dom\E$/,@{$hostedsessions->{'includedomain'}}))) {
1.1073 raeburn 1341: $canhost = 1;
1342: } else {
1343: $canhost = 0;
1344: }
1345: }
1346: }
1347: }
1348: return $canhost;
1349: }
1350:
1.1083 raeburn 1351: sub spare_can_host {
1352: my ($udom,$uint_dom,$remotesessions,$try_server)=@_;
1353: my $canhost=1;
1.1172.2.62 raeburn 1354: my $try_server_hostname = &hostname($try_server);
1355: my $serverhomeID = &get_server_homeID($try_server_hostname);
1356: my $serverhomedom = &host_domain($serverhomeID);
1357: my %defdomdefaults = &get_domain_defaults($serverhomedom);
1358: if (ref($defdomdefaults{'offloadnow'}) eq 'HASH') {
1359: if ($defdomdefaults{'offloadnow'}{$try_server}) {
1360: $canhost = 0;
1361: }
1362: }
1363: if (($canhost) && ($uint_dom)) {
1364: my @intdoms;
1365: my $internet_names = &get_internet_names($try_server);
1366: if (ref($internet_names) eq 'ARRAY') {
1367: @intdoms = @{$internet_names};
1368: }
1369: unless (grep(/^\Q$uint_dom\E$/,@intdoms)) {
1370: my $remoterev = &get_server_loncaparev(undef,$try_server);
1371: $canhost = &can_host_session($udom,$try_server,$remoterev,
1372: $remotesessions,
1373: $defdomdefaults{'hostedsessions'});
1374: }
1.1083 raeburn 1375: }
1376: return $canhost;
1377: }
1378:
1.1123 raeburn 1379: sub this_host_spares {
1380: my ($dom) = @_;
1.1126 raeburn 1381: my ($dom_in_use,$lonhost_in_use,$result);
1.1123 raeburn 1382: my @hosts = ¤t_machine_ids();
1383: foreach my $lonhost (@hosts) {
1384: if (&host_domain($lonhost) eq $dom) {
1.1126 raeburn 1385: $dom_in_use = $dom;
1386: $lonhost_in_use = $lonhost;
1.1123 raeburn 1387: last;
1388: }
1389: }
1.1126 raeburn 1390: if ($dom_in_use ne '') {
1391: $result = &spares_for_offload($dom_in_use,$lonhost_in_use);
1392: }
1393: if (ref($result) ne 'HASH') {
1394: $lonhost_in_use = $perlvar{'lonHostID'};
1395: $dom_in_use = &host_domain($lonhost_in_use);
1396: $result = &spares_for_offload($dom_in_use,$lonhost_in_use);
1397: if (ref($result) ne 'HASH') {
1398: $result = \%spareid;
1399: }
1400: }
1401: return $result;
1402: }
1403:
1404: sub spares_for_offload {
1405: my ($dom_in_use,$lonhost_in_use) = @_;
1406: my ($result,$cached)=&is_cached_new('spares',$dom_in_use);
1.1123 raeburn 1407: if (defined($cached)) {
1408: return $result;
1409: } else {
1.1126 raeburn 1410: my $cachetime = 60*60*24;
1411: my %domconfig =
1412: &Apache::lonnet::get_dom('configuration',['usersessions'],$dom_in_use);
1413: if (ref($domconfig{'usersessions'}) eq 'HASH') {
1414: if (ref($domconfig{'usersessions'}{'spares'}) eq 'HASH') {
1415: if (ref($domconfig{'usersessions'}{'spares'}{$lonhost_in_use}) eq 'HASH') {
1416: return &do_cache_new('spares',$dom_in_use,$domconfig{'usersessions'}{'spares'}{$lonhost_in_use},$cachetime);
1.1123 raeburn 1417: }
1418: }
1419: }
1420: }
1.1126 raeburn 1421: return;
1.1123 raeburn 1422: }
1423:
1.1129 raeburn 1424: sub get_lonbalancer_config {
1425: my ($servers) = @_;
1426: my ($currbalancer,$currtargets);
1427: if (ref($servers) eq 'HASH') {
1428: foreach my $server (keys(%{$servers})) {
1429: my %what = (
1430: spareid => 1,
1431: perlvar => 1,
1432: );
1433: my ($result,$returnhash) = &get_remote_globals($server,\%what);
1434: if ($result eq 'ok') {
1435: if (ref($returnhash) eq 'HASH') {
1436: if (ref($returnhash->{'perlvar'}) eq 'HASH') {
1437: if ($returnhash->{'perlvar'}->{'lonBalancer'} eq 'yes') {
1438: $currbalancer = $server;
1439: $currtargets = {};
1440: if (ref($returnhash->{'spareid'}) eq 'HASH') {
1441: if (ref($returnhash->{'spareid'}->{'primary'}) eq 'ARRAY') {
1442: $currtargets->{'primary'} = $returnhash->{'spareid'}->{'primary'};
1443: }
1444: if (ref($returnhash->{'spareid'}->{'default'}) eq 'ARRAY') {
1445: $currtargets->{'default'} = $returnhash->{'spareid'}->{'default'};
1446: }
1447: }
1448: last;
1449: }
1450: }
1451: }
1452: }
1453: }
1454: }
1455: return ($currbalancer,$currtargets);
1456: }
1457:
1458: sub check_loadbalancing {
1.1172.2.88 raeburn 1459: my ($uname,$udom,$caller) = @_;
1.1172.2.12 raeburn 1460: my ($is_balancer,$currtargets,$currrules,$dom_in_use,$homeintdom,
1.1172.2.107 raeburn 1461: $rule_in_effect,$offloadto,$otherserver,$setcookie);
1.1129 raeburn 1462: my $lonhost = $perlvar{'lonHostID'};
1.1172.2.4 raeburn 1463: my @hosts = ¤t_machine_ids();
1.1129 raeburn 1464: my $uprimary_id = &Apache::lonnet::domain($udom,'primary');
1465: my $uintdom = &Apache::lonnet::internet_dom($uprimary_id);
1466: my $intdom = &Apache::lonnet::internet_dom($lonhost);
1467: my $serverhomedom = &host_domain($lonhost);
1.1172.2.75 raeburn 1468: my $domneedscache;
1.1129 raeburn 1469: my $cachetime = 60*60*24;
1470:
1471: if (($uintdom ne '') && ($uintdom eq $intdom)) {
1472: $dom_in_use = $udom;
1473: $homeintdom = 1;
1474: } else {
1475: $dom_in_use = $serverhomedom;
1476: }
1477: my ($result,$cached)=&is_cached_new('loadbalancing',$dom_in_use);
1478: unless (defined($cached)) {
1479: my %domconfig =
1480: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$dom_in_use);
1481: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
1.1130 raeburn 1482: $result = &do_cache_new('loadbalancing',$dom_in_use,$domconfig{'loadbalancing'},$cachetime);
1.1172.2.75 raeburn 1483: } else {
1484: $domneedscache = $dom_in_use;
1.1129 raeburn 1485: }
1486: }
1487: if (ref($result) eq 'HASH') {
1.1172.2.107 raeburn 1488: ($is_balancer,$currtargets,$currrules,$setcookie) =
1.1172.2.12 raeburn 1489: &check_balancer_result($result,@hosts);
1.1129 raeburn 1490: if ($is_balancer) {
1491: if (ref($currrules) eq 'HASH') {
1492: if ($homeintdom) {
1493: if ($uname ne '') {
1494: if (($currrules->{'_LC_adv'} ne '') || ($currrules->{'_LC_author'} ne '')) {
1495: my ($is_adv,$is_author) = &is_advanced_user($udom,$uname);
1496: if (($currrules->{'_LC_author'} ne '') && ($is_author)) {
1497: $rule_in_effect = $currrules->{'_LC_author'};
1498: } elsif (($currrules->{'_LC_adv'} ne '') && ($is_adv)) {
1499: $rule_in_effect = $currrules->{'_LC_adv'}
1500: }
1501: }
1502: if ($rule_in_effect eq '') {
1503: my %userenv = &userenvironment($udom,$uname,'inststatus');
1504: if ($userenv{'inststatus'} ne '') {
1505: my @statuses = map { &unescape($_); } split(/:/,$userenv{'inststatus'});
1506: my ($othertitle,$usertypes,$types) =
1507: &Apache::loncommon::sorted_inst_types($udom);
1508: if (ref($types) eq 'ARRAY') {
1509: foreach my $type (@{$types}) {
1510: if (grep(/^\Q$type\E$/,@statuses)) {
1511: if (exists($currrules->{$type})) {
1512: $rule_in_effect = $currrules->{$type};
1513: }
1514: }
1515: }
1516: }
1517: } else {
1518: if (exists($currrules->{'default'})) {
1519: $rule_in_effect = $currrules->{'default'};
1520: }
1521: }
1522: }
1523: } else {
1524: if (exists($currrules->{'default'})) {
1525: $rule_in_effect = $currrules->{'default'};
1526: }
1527: }
1528: } else {
1529: if ($currrules->{'_LC_external'} ne '') {
1530: $rule_in_effect = $currrules->{'_LC_external'};
1531: }
1532: }
1533: $offloadto = &get_loadbalancer_targets($rule_in_effect,$currtargets,
1534: $uname,$udom);
1535: }
1536: }
1537: } elsif (($homeintdom) && ($udom ne $serverhomedom)) {
1.1172.2.35 raeburn 1538: ($result,$cached)=&is_cached_new('loadbalancing',$serverhomedom);
1.1129 raeburn 1539: unless (defined($cached)) {
1540: my %domconfig =
1541: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$serverhomedom);
1542: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
1.1172.2.75 raeburn 1543: $result = &do_cache_new('loadbalancing',$serverhomedom,$domconfig{'loadbalancing'},$cachetime);
1544: } else {
1545: $domneedscache = $serverhomedom;
1.1129 raeburn 1546: }
1547: }
1548: if (ref($result) eq 'HASH') {
1.1172.2.107 raeburn 1549: ($is_balancer,$currtargets,$currrules,$setcookie) =
1.1172.2.12 raeburn 1550: &check_balancer_result($result,@hosts);
1551: if ($is_balancer) {
1.1129 raeburn 1552: if (ref($currrules) eq 'HASH') {
1553: if ($currrules->{'_LC_internetdom'} ne '') {
1554: $rule_in_effect = $currrules->{'_LC_internetdom'};
1555: }
1556: }
1557: $offloadto = &get_loadbalancer_targets($rule_in_effect,$currtargets,
1558: $uname,$udom);
1559: }
1560: } else {
1561: if ($perlvar{'lonBalancer'} eq 'yes') {
1562: $is_balancer = 1;
1563: $offloadto = &this_host_spares($dom_in_use);
1564: }
1.1172.2.75 raeburn 1565: unless (defined($cached)) {
1566: $domneedscache = $serverhomedom;
1567: }
1.1129 raeburn 1568: }
1569: } else {
1570: if ($perlvar{'lonBalancer'} eq 'yes') {
1571: $is_balancer = 1;
1572: $offloadto = &this_host_spares($dom_in_use);
1573: }
1.1172.2.75 raeburn 1574: unless (defined($cached)) {
1575: $domneedscache = $serverhomedom;
1576: }
1577: }
1578: if ($domneedscache) {
1579: &do_cache_new('loadbalancing',$domneedscache,$is_balancer,$cachetime);
1.1129 raeburn 1580: }
1.1172.2.5 raeburn 1581: if ($is_balancer) {
1582: my $lowest_load = 30000;
1583: if (ref($offloadto) eq 'HASH') {
1584: if (ref($offloadto->{'primary'}) eq 'ARRAY') {
1585: foreach my $try_server (@{$offloadto->{'primary'}}) {
1586: ($otherserver,$lowest_load) =
1587: &compare_server_load($try_server,$otherserver,$lowest_load);
1588: }
1.1129 raeburn 1589: }
1.1172.2.5 raeburn 1590: my $found_server = ($otherserver ne '' && $lowest_load < 100);
1.1129 raeburn 1591:
1.1172.2.5 raeburn 1592: if (!$found_server) {
1593: if (ref($offloadto->{'default'}) eq 'ARRAY') {
1594: foreach my $try_server (@{$offloadto->{'default'}}) {
1595: ($otherserver,$lowest_load) =
1596: &compare_server_load($try_server,$otherserver,$lowest_load);
1597: }
1598: }
1599: }
1600: } elsif (ref($offloadto) eq 'ARRAY') {
1601: if (@{$offloadto} == 1) {
1602: $otherserver = $offloadto->[0];
1603: } elsif (@{$offloadto} > 1) {
1604: foreach my $try_server (@{$offloadto}) {
1.1129 raeburn 1605: ($otherserver,$lowest_load) =
1606: &compare_server_load($try_server,$otherserver,$lowest_load);
1607: }
1608: }
1609: }
1.1172.2.88 raeburn 1610: unless ($caller eq 'login') {
1611: if (($otherserver ne '') && (grep(/^\Q$otherserver\E$/,@hosts))) {
1612: $is_balancer = 0;
1613: if ($uname ne '' && $udom ne '') {
1614: if (($env{'user.name'} eq $uname) && ($env{'user.domain'} eq $udom)) {
1615: &appenv({'user.loadbalexempt' => $lonhost,
1616: 'user.loadbalcheck.time' => time});
1617: }
1.1172.2.5 raeburn 1618: }
1.1129 raeburn 1619: }
1620: }
1.1172.2.107 raeburn 1621: unless ($homeintdom) {
1622: undef($setcookie);
1623: }
1.1129 raeburn 1624: }
1.1172.2.107 raeburn 1625: return ($is_balancer,$otherserver,$setcookie);
1.1129 raeburn 1626: }
1627:
1.1172.2.12 raeburn 1628: sub check_balancer_result {
1629: my ($result,@hosts) = @_;
1.1172.2.107 raeburn 1630: my ($is_balancer,$currtargets,$currrules,$setcookie);
1.1172.2.12 raeburn 1631: if (ref($result) eq 'HASH') {
1632: if ($result->{'lonhost'} ne '') {
1633: my $currbalancer = $result->{'lonhost'};
1634: if (grep(/^\Q$currbalancer\E$/,@hosts)) {
1635: $is_balancer = 1;
1636: $currtargets = $result->{'targets'};
1637: $currrules = $result->{'rules'};
1638: }
1639: } else {
1640: foreach my $key (keys(%{$result})) {
1641: if (($key ne '') && (grep(/^\Q$key\E$/,@hosts)) &&
1642: (ref($result->{$key}) eq 'HASH')) {
1643: $is_balancer = 1;
1644: $currrules = $result->{$key}{'rules'};
1645: $currtargets = $result->{$key}{'targets'};
1.1172.2.107 raeburn 1646: $setcookie = $result->{$key}{'cookie'};
1.1172.2.12 raeburn 1647: last;
1648: }
1649: }
1650: }
1651: }
1.1172.2.107 raeburn 1652: return ($is_balancer,$currtargets,$currrules,$setcookie);
1.1172.2.12 raeburn 1653: }
1654:
1.1129 raeburn 1655: sub get_loadbalancer_targets {
1656: my ($rule_in_effect,$currtargets,$uname,$udom) = @_;
1657: my $offloadto;
1.1172.2.4 raeburn 1658: if ($rule_in_effect eq 'none') {
1659: return [$perlvar{'lonHostID'}];
1660: } elsif ($rule_in_effect eq '') {
1.1129 raeburn 1661: $offloadto = $currtargets;
1662: } else {
1663: if ($rule_in_effect eq 'homeserver') {
1664: my $homeserver = &homeserver($uname,$udom);
1665: if ($homeserver ne 'no_host') {
1666: $offloadto = [$homeserver];
1667: }
1668: } elsif ($rule_in_effect eq 'externalbalancer') {
1669: my %domconfig =
1670: &Apache::lonnet::get_dom('configuration',['loadbalancing'],$udom);
1671: if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
1672: if ($domconfig{'loadbalancing'}{'lonhost'} ne '') {
1673: if (&hostname($domconfig{'loadbalancing'}{'lonhost'}) ne '') {
1674: $offloadto = [$domconfig{'loadbalancing'}{'lonhost'}];
1675: }
1676: }
1677: } else {
1.1172.2.7 raeburn 1678: my %servers = &internet_dom_servers($udom);
1.1129 raeburn 1679: my ($remotebalancer,$remotetargets) = &get_lonbalancer_config(\%servers);
1680: if (&hostname($remotebalancer) ne '') {
1681: $offloadto = [$remotebalancer];
1682: }
1683: }
1684: } elsif (&hostname($rule_in_effect) ne '') {
1685: $offloadto = [$rule_in_effect];
1686: }
1687: }
1688: return $offloadto;
1689: }
1690:
1.1127 raeburn 1691: sub internet_dom_servers {
1692: my ($dom) = @_;
1693: my (%uniqservers,%servers);
1694: my $primaryserver = &hostname(&domain($dom,'primary'));
1695: my @machinedoms = &machine_domains($primaryserver);
1696: foreach my $mdom (@machinedoms) {
1697: my %currservers = %servers;
1698: my %server = &get_servers($mdom);
1699: %servers = (%currservers,%server);
1700: }
1701: my %by_hostname;
1702: foreach my $id (keys(%servers)) {
1703: push(@{$by_hostname{$servers{$id}}},$id);
1704: }
1705: foreach my $hostname (sort(keys(%by_hostname))) {
1706: if (@{$by_hostname{$hostname}} > 1) {
1707: my $match = 0;
1708: foreach my $id (@{$by_hostname{$hostname}}) {
1709: if (&host_domain($id) eq $dom) {
1710: $uniqservers{$id} = $hostname;
1711: $match = 1;
1712: }
1713: }
1714: unless ($match) {
1715: $uniqservers{$by_hostname{$hostname}[0]} = $hostname;
1716: }
1717: } else {
1718: $uniqservers{$by_hostname{$hostname}[0]} = $hostname;
1719: }
1720: }
1721: return %uniqservers;
1722: }
1723:
1.1 albertel 1724: # ---------------------- Find the homebase for a user from domain's lib servers
1.11 www 1725:
1.599 albertel 1726: my %homecache;
1.1 albertel 1727: sub homeserver {
1.230 stredwic 1728: my ($uname,$udom,$ignoreBadCache)=@_;
1.1 albertel 1729: my $index="$uname:$udom";
1.426 albertel 1730:
1.599 albertel 1731: if (exists($homecache{$index})) { return $homecache{$index}; }
1.841 albertel 1732:
1733: my %servers = &get_servers($udom,'library');
1734: foreach my $tryserver (keys(%servers)) {
1.230 stredwic 1735: next if ($ignoreBadCache ne 'true' &&
1.231 stredwic 1736: exists($badServerCache{$tryserver}));
1.841 albertel 1737:
1738: my $answer=reply("home:$udom:$uname",$tryserver);
1739: if ($answer eq 'found') {
1740: delete($badServerCache{$tryserver});
1741: return $homecache{$index}=$tryserver;
1742: } elsif ($answer eq 'no_host') {
1743: $badServerCache{$tryserver}=1;
1744: }
1.1 albertel 1745: }
1746: return 'no_host';
1.70 www 1747: }
1748:
1749: # ------------------------------------- Find the usernames behind a list of IDs
1750:
1751: sub idget {
1752: my ($udom,@ids)=@_;
1753: my %returnhash=();
1754:
1.841 albertel 1755: my %servers = &get_servers($udom,'library');
1756: foreach my $tryserver (keys(%servers)) {
1.1172.2.73 raeburn 1757: my $idlist=join('&', map { &escape($_); } @ids);
1.841 albertel 1758: $idlist=~tr/A-Z/a-z/;
1759: my $reply=&reply("idget:$udom:".$idlist,$tryserver);
1760: my @answer=();
1761: if (($reply ne 'con_lost') && ($reply!~/^error\:/)) {
1762: @answer=split(/\&/,$reply);
1763: } ;
1764: my $i;
1765: for ($i=0;$i<=$#ids;$i++) {
1766: if ($answer[$i]) {
1.1172.2.73 raeburn 1767: $returnhash{$ids[$i]}=&unescape($answer[$i]);
1.841 albertel 1768: }
1769: }
1770: }
1.70 www 1771: return %returnhash;
1772: }
1773:
1774: # ------------------------------------- Find the IDs behind a list of usernames
1775:
1776: sub idrget {
1777: my ($udom,@unames)=@_;
1778: my %returnhash=();
1.800 albertel 1779: foreach my $uname (@unames) {
1780: $returnhash{$uname}=(&userenvironment($udom,$uname,'id'))[1];
1.191 harris41 1781: }
1.70 www 1782: return %returnhash;
1783: }
1784:
1785: # ------------------------------- Store away a list of names and associated IDs
1786:
1787: sub idput {
1788: my ($udom,%ids)=@_;
1789: my %servers=();
1.800 albertel 1790: foreach my $uname (keys(%ids)) {
1791: &cput('environment',{'id'=>$ids{$uname}},$udom,$uname);
1792: my $uhom=&homeserver($uname,$udom);
1.70 www 1793: if ($uhom ne 'no_host') {
1.800 albertel 1794: my $id=&escape($ids{$uname});
1.70 www 1795: $id=~tr/A-Z/a-z/;
1.800 albertel 1796: my $esc_unam=&escape($uname);
1.70 www 1797: if ($servers{$uhom}) {
1.800 albertel 1798: $servers{$uhom}.='&'.$id.'='.$esc_unam;
1.70 www 1799: } else {
1.800 albertel 1800: $servers{$uhom}=$id.'='.$esc_unam;
1.70 www 1801: }
1802: }
1.191 harris41 1803: }
1.800 albertel 1804: foreach my $server (keys(%servers)) {
1805: &critical('idput:'.$udom.':'.$servers{$server},$server);
1.191 harris41 1806: }
1.344 www 1807: }
1808:
1.1172.2.30 raeburn 1809: # ---------------------------------------- Delete unwanted IDs from ids.db file
1810:
1811: sub iddel {
1812: my ($udom,$idshashref,$uhome)=@_;
1813: my %result=();
1814: unless (ref($idshashref) eq 'HASH') {
1815: return %result;
1816: }
1817: my %servers=();
1818: while (my ($id,$uname) = each(%{$idshashref})) {
1819: my $uhom;
1820: if ($uhome) {
1821: $uhom = $uhome;
1822: } else {
1823: $uhom=&homeserver($uname,$udom);
1824: }
1825: if ($uhom ne 'no_host') {
1826: if ($servers{$uhom}) {
1827: $servers{$uhom}.='&'.&escape($id);
1828: } else {
1829: $servers{$uhom}=&escape($id);
1830: }
1831: }
1832: }
1833: foreach my $server (keys(%servers)) {
1834: $result{$server} = &critical('iddel:'.$udom.':'.$servers{$server},$uhome);
1835: }
1836: return %result;
1837: }
1838:
1.1023 raeburn 1839: # ------------------------------dump from db file owned by domainconfig user
1.1012 raeburn 1840: sub dump_dom {
1.1165 droeschl 1841: my ($namespace, $udom, $regexp) = @_;
1842:
1843: $udom ||= $env{'user.domain'};
1844:
1845: return () unless $udom;
1846:
1847: return &dump($namespace, $udom, &get_domainconfiguser($udom), $regexp);
1.1012 raeburn 1848: }
1849:
1.1023 raeburn 1850: # ------------------------------------------ get items from domain db files
1.806 raeburn 1851:
1852: sub get_dom {
1.860 raeburn 1853: my ($namespace,$storearr,$udom,$uhome)=@_;
1.1172.2.57 raeburn 1854: return if ($udom eq 'public');
1.806 raeburn 1855: my $items='';
1856: foreach my $item (@$storearr) {
1857: $items.=&escape($item).'&';
1858: }
1859: $items=~s/\&$//;
1.860 raeburn 1860: if (!$udom) {
1861: $udom=$env{'user.domain'};
1.1172.2.57 raeburn 1862: return if ($udom eq 'public');
1.860 raeburn 1863: if (defined(&domain($udom,'primary'))) {
1864: $uhome=&domain($udom,'primary');
1865: } else {
1.874 albertel 1866: undef($uhome);
1.860 raeburn 1867: }
1868: } else {
1869: if (!$uhome) {
1870: if (defined(&domain($udom,'primary'))) {
1871: $uhome=&domain($udom,'primary');
1872: }
1873: }
1874: }
1875: if ($udom && $uhome && ($uhome ne 'no_host')) {
1.1172.2.118. .1(raebu 1876:20): my $rep;
1877:20): if ($namespace =~ /^enc/) {
1878:20): $rep=&reply("encrypt:egetdom:$udom:$namespace:$items",$uhome);
1879:20): } else {
1880:20): $rep=&reply("getdom:$udom:$namespace:$items",$uhome);
1881:20): }
1.866 raeburn 1882: my %returnhash;
1.875 albertel 1883: if ($rep eq '' || $rep =~ /^error: 2 /) {
1.866 raeburn 1884: return %returnhash;
1885: }
1.806 raeburn 1886: my @pairs=split(/\&/,$rep);
1887: if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) {
1888: return @pairs;
1889: }
1890: my $i=0;
1891: foreach my $item (@$storearr) {
1892: $returnhash{$item}=&thaw_unescape($pairs[$i]);
1893: $i++;
1894: }
1895: return %returnhash;
1896: } else {
1.880 banghart 1897: &logthis("get_dom failed - no homeserver and/or domain ($udom) ($uhome)");
1.806 raeburn 1898: }
1899: }
1900:
1901: # -------------------------------------------- put items in domain db files
1902:
1903: sub put_dom {
1.860 raeburn 1904: my ($namespace,$storehash,$udom,$uhome)=@_;
1905: if (!$udom) {
1906: $udom=$env{'user.domain'};
1907: if (defined(&domain($udom,'primary'))) {
1908: $uhome=&domain($udom,'primary');
1909: } else {
1.874 albertel 1910: undef($uhome);
1.860 raeburn 1911: }
1912: } else {
1913: if (!$uhome) {
1914: if (defined(&domain($udom,'primary'))) {
1915: $uhome=&domain($udom,'primary');
1916: }
1917: }
1918: }
1919: if ($udom && $uhome && ($uhome ne 'no_host')) {
1.806 raeburn 1920: my $items='';
1921: foreach my $item (keys(%$storehash)) {
1922: $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
1923: }
1924: $items=~s/\&$//;
1.1172.2.118. .1(raebu 1925:20): if ($namespace =~ /^enc/) {
1926:20): return &reply("encrypt:putdom:$udom:$namespace:$items",$uhome);
1927:20): } else {
1928:20): return &reply("putdom:$udom:$namespace:$items",$uhome);
1929:20): }
1.806 raeburn 1930: } else {
1.860 raeburn 1931: &logthis("put_dom failed - no homeserver and/or domain");
1.806 raeburn 1932: }
1933: }
1934:
1.1023 raeburn 1935: # --------------------- newput for items in db file owned by domainconfig user
1.1012 raeburn 1936: sub newput_dom {
1.1023 raeburn 1937: my ($namespace,$storehash,$udom) = @_;
1.1012 raeburn 1938: my $result;
1939: if (!$udom) {
1940: $udom=$env{'user.domain'};
1941: }
1.1023 raeburn 1942: if ($udom) {
1943: my $uname = &get_domainconfiguser($udom);
1944: $result = &newput($namespace,$storehash,$udom,$uname);
1.1012 raeburn 1945: }
1946: return $result;
1947: }
1948:
1.1023 raeburn 1949: # --------------------- delete for items in db file owned by domainconfig user
1.1012 raeburn 1950: sub del_dom {
1.1023 raeburn 1951: my ($namespace,$storearr,$udom)=@_;
1.1012 raeburn 1952: if (ref($storearr) eq 'ARRAY') {
1953: if (!$udom) {
1954: $udom=$env{'user.domain'};
1955: }
1.1023 raeburn 1956: if ($udom) {
1957: my $uname = &get_domainconfiguser($udom);
1958: return &del($namespace,$storearr,$udom,$uname);
1.1012 raeburn 1959: }
1960: }
1961: }
1962:
1.1023 raeburn 1963: # ----------------------------------construct domainconfig user for a domain
1964: sub get_domainconfiguser {
1965: my ($udom) = @_;
1966: return $udom.'-domainconfig';
1967: }
1968:
1.837 raeburn 1969: sub retrieve_inst_usertypes {
1970: my ($udom) = @_;
1971: my (%returnhash,@order);
1.989 raeburn 1972: my %domdefs = &Apache::lonnet::get_domain_defaults($udom);
1973: if ((ref($domdefs{'inststatustypes'}) eq 'HASH') &&
1974: (ref($domdefs{'inststatusorder'}) eq 'ARRAY')) {
1.1172.2.44 raeburn 1975: return ($domdefs{'inststatustypes'},$domdefs{'inststatusorder'});
1.989 raeburn 1976: } else {
1977: if (defined(&domain($udom,'primary'))) {
1978: my $uhome=&domain($udom,'primary');
1979: my $rep=&reply("inst_usertypes:$udom",$uhome);
1980: if ($rep =~ /^(con_lost|error|no_such_host|refused)/) {
1.1172.2.44 raeburn 1981: &logthis("retrieve_inst_usertypes failed - $rep returned from $uhome in domain: $udom");
1.989 raeburn 1982: return (\%returnhash,\@order);
1983: }
1984: my ($hashitems,$orderitems) = split(/:/,$rep);
1985: my @pairs=split(/\&/,$hashitems);
1986: foreach my $item (@pairs) {
1987: my ($key,$value)=split(/=/,$item,2);
1988: $key = &unescape($key);
1989: next if ($key =~ /^error: 2 /);
1990: $returnhash{$key}=&thaw_unescape($value);
1991: }
1992: my @esc_order = split(/\&/,$orderitems);
1993: foreach my $item (@esc_order) {
1994: push(@order,&unescape($item));
1995: }
1996: } else {
1.1172.2.44 raeburn 1997: &logthis("retrieve_inst_usertypes failed - no primary domain server for $udom");
1.837 raeburn 1998: }
1.1172.2.44 raeburn 1999: return (\%returnhash,\@order);
1.837 raeburn 2000: }
2001: }
2002:
1.868 raeburn 2003: sub is_domainimage {
2004: my ($url) = @_;
1.1172.2.74 raeburn 2005: if ($url=~m-^/+res/+($match_domain)/+\1\-domainconfig/+(img|logo|domlogo)/+[^/]-) {
1.868 raeburn 2006: if (&domain($1) ne '') {
2007: return '1';
2008: }
2009: }
2010: return;
2011: }
2012:
1.899 raeburn 2013: sub inst_directory_query {
2014: my ($srch) = @_;
2015: my $udom = $srch->{'srchdomain'};
2016: my %results;
2017: my $homeserver = &domain($udom,'primary');
1.909 raeburn 2018: my $outcome;
1.899 raeburn 2019: if ($homeserver ne '') {
1.1172.2.116 raeburn 2020: unless ($homeserver eq $perlvar{'lonHostID'}) {
2021: if ($srch->{'srchby'} eq 'email') {
1.1172.2.117 raeburn 2022: my $lcrev = &get_server_loncaparev($udom,$homeserver);
1.1172.2.116 raeburn 2023: my ($major,$minor,$subver) = ($lcrev =~ /^\'?(\d+)\.(\d+)\.(\d+)[\w.\-]+\'?$/);
2024: if (($major eq '' && $minor eq '') || ($major < 2) ||
2025: (($major == 2) && ($minor < 11)) ||
2026: (($major == 2) && ($minor == 11) && ($subver < 3))) {
2027: return;
2028: }
2029: }
2030: }
1.904 albertel 2031: my $queryid=&reply("querysend:instdirsearch:".
2032: &escape($srch->{'srchby'}).':'.
2033: &escape($srch->{'srchterm'}).':'.
2034: &escape($srch->{'srchtype'}),$homeserver);
2035: my $host=&hostname($homeserver);
2036: if ($queryid !~/^\Q$host\E\_/) {
1.1172.2.96 raeburn 2037: &logthis('institutional directory search invalid queryid: '.$queryid.' for host: '.$homeserver.' in domain '.$udom);
1.904 albertel 2038: return;
2039: }
2040: my $response = &get_query_reply($queryid);
2041: my $maxtries = 5;
2042: my $tries = 1;
2043: while (($response=~/^timeout/) && ($tries < $maxtries)) {
2044: $response = &get_query_reply($queryid);
2045: $tries ++;
2046: }
2047:
2048: if (!&error($response) && $response ne 'refused') {
1.909 raeburn 2049: if ($response eq 'unavailable') {
2050: $outcome = $response;
2051: } else {
2052: $outcome = 'ok';
2053: my @matches = split(/\n/,$response);
2054: foreach my $match (@matches) {
2055: my ($key,$value) = split(/=/,$match);
2056: $results{&unescape($key).':'.$udom} = &thaw_unescape($value);
2057: }
1.899 raeburn 2058: }
2059: }
2060: }
1.909 raeburn 2061: return ($outcome,%results);
1.899 raeburn 2062: }
2063:
2064: sub usersearch {
2065: my ($srch) = @_;
2066: my $dom = $srch->{'srchdomain'};
2067: my %results;
2068: my %libserv = &all_library();
2069: my $query = 'usersearch';
2070: foreach my $tryserver (keys(%libserv)) {
2071: if (&host_domain($tryserver) eq $dom) {
1.1172.2.116 raeburn 2072: unless ($tryserver eq $perlvar{'lonHostID'}) {
2073: if ($srch->{'srchby'} eq 'email') {
1.1172.2.117 raeburn 2074: my $lcrev = &get_server_loncaparev($dom,$tryserver);
1.1172.2.118. .2(raebu 2075:20): my ($major,$minor,$subver) = ($lcrev =~ /^\'?(\d+)\.(\d+)\.(\d+)[\w.\-]+\'?$/);
1.1172.2.116 raeburn 2076: next if (($major eq '' && $minor eq '') || ($major < 2) ||
2077: (($major == 2) && ($minor < 11)) ||
2078: (($major == 2) && ($minor == 11) && ($subver < 3)));
2079: }
2080: }
1.899 raeburn 2081: my $host=&hostname($tryserver);
2082: my $queryid=
1.911 raeburn 2083: &reply("querysend:".&escape($query).':'.
2084: &escape($srch->{'srchby'}).':'.
1.899 raeburn 2085: &escape($srch->{'srchtype'}).':'.
2086: &escape($srch->{'srchterm'}),$tryserver);
2087: if ($queryid !~/^\Q$host\E\_/) {
2088: &logthis('usersearch: invalid queryid: '.$queryid.' for host: '.$host.'in domain '.$dom.' and server: '.$tryserver);
1.902 raeburn 2089: next;
1.899 raeburn 2090: }
2091: my $reply = &get_query_reply($queryid);
2092: my $maxtries = 1;
2093: my $tries = 1;
2094: while (($reply=~/^timeout/) && ($tries < $maxtries)) {
2095: $reply = &get_query_reply($queryid);
2096: $tries ++;
2097: }
2098: if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
2099: &logthis('usersrch error: '.$reply.' for '.$dom.' - searching for : '.$srch->{'srchterm'}.' by '.$srch->{'srchby'}.' ('.$srch->{'srchtype'}.') - maxtries: '.$maxtries.' tries: '.$tries);
2100: } else {
1.911 raeburn 2101: my @matches;
2102: if ($reply =~ /\n/) {
2103: @matches = split(/\n/,$reply);
2104: } else {
2105: @matches = split(/\&/,$reply);
2106: }
1.899 raeburn 2107: foreach my $match (@matches) {
2108: my ($uname,$udom,%userhash);
1.911 raeburn 2109: foreach my $entry (split(/:/,$match)) {
2110: my ($key,$value) =
2111: map {&unescape($_);} split(/=/,$entry);
1.899 raeburn 2112: $userhash{$key} = $value;
2113: if ($key eq 'username') {
2114: $uname = $value;
2115: } elsif ($key eq 'domain') {
2116: $udom = $value;
1.911 raeburn 2117: }
1.899 raeburn 2118: }
2119: $results{$uname.':'.$udom} = \%userhash;
2120: }
2121: }
2122: }
2123: }
2124: return %results;
2125: }
2126:
1.912 raeburn 2127: sub get_instuser {
2128: my ($udom,$uname,$id) = @_;
2129: my $homeserver = &domain($udom,'primary');
2130: my ($outcome,%results);
2131: if ($homeserver ne '') {
2132: my $queryid=&reply("querysend:getinstuser:".&escape($uname).':'.
2133: &escape($id).':'.&escape($udom),$homeserver);
2134: my $host=&hostname($homeserver);
2135: if ($queryid !~/^\Q$host\E\_/) {
2136: &logthis('get_instuser invalid queryid: '.$queryid.' for host: '.$homeserver.'in domain '.$udom);
2137: return;
2138: }
2139: my $response = &get_query_reply($queryid);
2140: my $maxtries = 5;
2141: my $tries = 1;
2142: while (($response=~/^timeout/) && ($tries < $maxtries)) {
2143: $response = &get_query_reply($queryid);
2144: $tries ++;
2145: }
2146: if (!&error($response) && $response ne 'refused') {
2147: if ($response eq 'unavailable') {
2148: $outcome = $response;
2149: } else {
2150: $outcome = 'ok';
2151: my @matches = split(/\n/,$response);
2152: foreach my $match (@matches) {
2153: my ($key,$value) = split(/=/,$match);
2154: $results{&unescape($key)} = &thaw_unescape($value);
2155: }
2156: }
2157: }
2158: }
2159: my %userinfo;
2160: if (ref($results{$uname}) eq 'HASH') {
2161: %userinfo = %{$results{$uname}};
2162: }
2163: return ($outcome,%userinfo);
2164: }
2165:
1.1172.2.69 raeburn 2166: sub get_multiple_instusers {
2167: my ($udom,$users,$caller) = @_;
2168: my ($outcome,$results);
2169: if (ref($users) eq 'HASH') {
2170: my $count = keys(%{$users});
2171: my $requested = &freeze_escape($users);
2172: my $homeserver = &domain($udom,'primary');
2173: if ($homeserver ne '') {
2174: my $queryid=&reply('querysend:getmultinstusers:::'.$caller.'='.$requested,$homeserver);
2175: my $host=&hostname($homeserver);
2176: if ($queryid !~/^\Q$host\E\_/) {
2177: &logthis('get_multiple_instusers invalid queryid: '.$queryid.
2178: ' for host: '.$homeserver.'in domain '.$udom);
2179: return ($outcome,$results);
2180: }
2181: my $response = &get_query_reply($queryid);
2182: my $maxtries = 5;
2183: if ($count > 100) {
2184: $maxtries = 1+int($count/20);
2185: }
2186: my $tries = 1;
2187: while (($response=~/^timeout/) && ($tries <= $maxtries)) {
2188: $response = &get_query_reply($queryid);
2189: $tries ++;
2190: }
2191: if ($response eq '') {
2192: $results = {};
2193: foreach my $key (keys(%{$users})) {
2194: my ($uname,$id);
2195: if ($caller eq 'id') {
2196: $id = $key;
2197: } else {
2198: $uname = $key;
2199: }
2200: my ($resp,%info) = &get_instuser($udom,$uname,$id);
2201: $outcome = $resp;
2202: if ($resp eq 'ok') {
2203: %{$results} = (%{$results}, %info);
2204: } else {
2205: last;
2206: }
2207: }
2208: } elsif(!&error($response) && ($response ne 'refused')) {
2209: if (($response eq 'unavailable') || ($response eq 'invalid') || ($response eq 'timeout')) {
2210: $outcome = $response;
2211: } else {
2212: ($outcome,my $userdata) = split(/=/,$response,2);
2213: if ($outcome eq 'ok') {
2214: $results = &thaw_unescape($userdata);
2215: }
2216: }
2217: }
2218: }
2219: }
2220: return ($outcome,$results);
2221: }
2222:
1.912 raeburn 2223: sub inst_rulecheck {
1.923 raeburn 2224: my ($udom,$uname,$id,$item,$rules) = @_;
1.912 raeburn 2225: my %returnhash;
2226: if ($udom ne '') {
2227: if (ref($rules) eq 'ARRAY') {
2228: @{$rules} = map {&escape($_);} (@{$rules});
2229: my $rulestr = join(':',@{$rules});
2230: my $homeserver=&domain($udom,'primary');
2231: if (($homeserver ne '') && ($homeserver ne 'no_host')) {
1.923 raeburn 2232: my $response;
2233: if ($item eq 'username') {
2234: $response=&unescape(&reply('instrulecheck:'.&escape($udom).
2235: ':'.&escape($uname).':'.$rulestr,
1.912 raeburn 2236: $homeserver));
1.923 raeburn 2237: } elsif ($item eq 'id') {
2238: $response=&unescape(&reply('instidrulecheck:'.&escape($udom).
2239: ':'.&escape($id).':'.$rulestr,
2240: $homeserver));
1.945 raeburn 2241: } elsif ($item eq 'selfcreate') {
2242: $response=&unescape(&reply('instselfcreatecheck:'.
1.943 raeburn 2243: &escape($udom).':'.&escape($uname).
2244: ':'.$rulestr,$homeserver));
1.923 raeburn 2245: }
1.912 raeburn 2246: if ($response ne 'refused') {
2247: my @pairs=split(/\&/,$response);
2248: foreach my $item (@pairs) {
2249: my ($key,$value)=split(/=/,$item,2);
2250: $key = &unescape($key);
2251: next if ($key =~ /^error: 2 /);
2252: $returnhash{$key}=&thaw_unescape($value);
2253: }
2254: }
2255: }
2256: }
2257: }
2258: return %returnhash;
2259: }
2260:
2261: sub inst_userrules {
1.923 raeburn 2262: my ($udom,$check) = @_;
1.912 raeburn 2263: my (%ruleshash,@ruleorder);
2264: if ($udom ne '') {
2265: my $homeserver=&domain($udom,'primary');
2266: if (($homeserver ne '') && ($homeserver ne 'no_host')) {
1.923 raeburn 2267: my $response;
2268: if ($check eq 'id') {
2269: $response=&reply('instidrules:'.&escape($udom),
1.912 raeburn 2270: $homeserver);
1.943 raeburn 2271: } elsif ($check eq 'email') {
2272: $response=&reply('instemailrules:'.&escape($udom),
2273: $homeserver);
1.923 raeburn 2274: } else {
2275: $response=&reply('instuserrules:'.&escape($udom),
2276: $homeserver);
2277: }
1.912 raeburn 2278: if (($response ne 'refused') && ($response ne 'error') &&
1.923 raeburn 2279: ($response ne 'unknown_cmd') &&
1.912 raeburn 2280: ($response ne 'no_such_host')) {
2281: my ($hashitems,$orderitems) = split(/:/,$response);
2282: my @pairs=split(/\&/,$hashitems);
2283: foreach my $item (@pairs) {
2284: my ($key,$value)=split(/=/,$item,2);
2285: $key = &unescape($key);
2286: next if ($key =~ /^error: 2 /);
2287: $ruleshash{$key}=&thaw_unescape($value);
2288: }
2289: my @esc_order = split(/\&/,$orderitems);
2290: foreach my $item (@esc_order) {
2291: push(@ruleorder,&unescape($item));
2292: }
2293: }
2294: }
2295: }
2296: return (\%ruleshash,\@ruleorder);
2297: }
2298:
1.976 raeburn 2299: # ------------- Get Authentication, Language and User Tools Defaults for Domain
1.943 raeburn 2300:
2301: sub get_domain_defaults {
1.1172.2.35 raeburn 2302: my ($domain,$ignore_cache) = @_;
2303: return if (($domain eq '') || ($domain eq 'public'));
1.943 raeburn 2304: my $cachetime = 60*60*24;
1.1172.2.35 raeburn 2305: unless ($ignore_cache) {
2306: my ($result,$cached)=&is_cached_new('domdefaults',$domain);
2307: if (defined($cached)) {
2308: if (ref($result) eq 'HASH') {
2309: return %{$result};
2310: }
1.943 raeburn 2311: }
2312: }
2313: my %domdefaults;
2314: my %domconfig =
1.989 raeburn 2315: &Apache::lonnet::get_dom('configuration',['defaults','quotas',
1.1047 raeburn 2316: 'requestcourses','inststatus',
1.1172.2.9 raeburn 2317: 'coursedefaults','usersessions',
1.1172.2.46 raeburn 2318: 'requestauthor','selfenrollment',
1.1172.2.89 raeburn 2319: 'coursecategories','autoenroll',
2320: 'helpsettings'],$domain);
1.1172.2.41 raeburn 2321: my @coursetypes = ('official','unofficial','community','textbook');
1.943 raeburn 2322: if (ref($domconfig{'defaults'}) eq 'HASH') {
2323: $domdefaults{'lang_def'} = $domconfig{'defaults'}{'lang_def'};
2324: $domdefaults{'auth_def'} = $domconfig{'defaults'}{'auth_def'};
2325: $domdefaults{'auth_arg_def'} = $domconfig{'defaults'}{'auth_arg_def'};
1.982 raeburn 2326: $domdefaults{'timezone_def'} = $domconfig{'defaults'}{'timezone_def'};
1.985 raeburn 2327: $domdefaults{'datelocale_def'} = $domconfig{'defaults'}{'datelocale_def'};
1.1147 raeburn 2328: $domdefaults{'portal_def'} = $domconfig{'defaults'}{'portal_def'};
1.1172.2.91 raeburn 2329: $domdefaults{'intauth_cost'} = $domconfig{'defaults'}{'intauth_cost'};
2330: $domdefaults{'intauth_switch'} = $domconfig{'defaults'}{'intauth_switch'};
2331: $domdefaults{'intauth_check'} = $domconfig{'defaults'}{'intauth_check'};
1.943 raeburn 2332: } else {
2333: $domdefaults{'lang_def'} = &domain($domain,'lang_def');
2334: $domdefaults{'auth_def'} = &domain($domain,'auth_def');
2335: $domdefaults{'auth_arg_def'} = &domain($domain,'auth_arg_def');
2336: }
1.976 raeburn 2337: if (ref($domconfig{'quotas'}) eq 'HASH') {
2338: if (ref($domconfig{'quotas'}{'defaultquota'}) eq 'HASH') {
2339: $domdefaults{'defaultquota'} = $domconfig{'quotas'}{'defaultquota'};
2340: } else {
2341: $domdefaults{'defaultquota'} = $domconfig{'quotas'};
1.1172.2.29 raeburn 2342: }
1.1172.2.6 raeburn 2343: my @usertools = ('aboutme','blog','webdav','portfolio');
1.976 raeburn 2344: foreach my $item (@usertools) {
2345: if (ref($domconfig{'quotas'}{$item}) eq 'HASH') {
2346: $domdefaults{$item} = $domconfig{'quotas'}{$item};
2347: }
2348: }
1.1172.2.29 raeburn 2349: if (ref($domconfig{'quotas'}{'authorquota'}) eq 'HASH') {
2350: $domdefaults{'authorquota'} = $domconfig{'quotas'}{'authorquota'};
2351: }
1.976 raeburn 2352: }
1.985 raeburn 2353: if (ref($domconfig{'requestcourses'}) eq 'HASH') {
1.1172.2.37 raeburn 2354: foreach my $item ('official','unofficial','community','textbook') {
1.985 raeburn 2355: $domdefaults{$item} = $domconfig{'requestcourses'}{$item};
2356: }
2357: }
1.1172.2.9 raeburn 2358: if (ref($domconfig{'requestauthor'}) eq 'HASH') {
2359: $domdefaults{'requestauthor'} = $domconfig{'requestauthor'};
2360: }
1.989 raeburn 2361: if (ref($domconfig{'inststatus'}) eq 'HASH') {
1.1172.2.44 raeburn 2362: foreach my $item ('inststatustypes','inststatusorder','inststatusguest') {
1.989 raeburn 2363: $domdefaults{$item} = $domconfig{'inststatus'}{$item};
2364: }
2365: }
1.1047 raeburn 2366: if (ref($domconfig{'coursedefaults'}) eq 'HASH') {
1.1172.2.60 raeburn 2367: $domdefaults{'usejsme'} = $domconfig{'coursedefaults'}{'usejsme'};
2368: $domdefaults{'uselcmath'} = $domconfig{'coursedefaults'}{'uselcmath'};
2369: if (ref($domconfig{'coursedefaults'}{'postsubmit'}) eq 'HASH') {
2370: $domdefaults{'postsubmit'} = $domconfig{'coursedefaults'}{'postsubmit'}{'client'};
2371: }
1.1172.2.41 raeburn 2372: foreach my $type (@coursetypes) {
2373: if (ref($domconfig{'coursedefaults'}{'coursecredits'}) eq 'HASH') {
2374: unless ($type eq 'community') {
2375: $domdefaults{$type.'credits'} = $domconfig{'coursedefaults'}{'coursecredits'}{$type};
2376: }
2377: }
2378: if (ref($domconfig{'coursedefaults'}{'uploadquota'}) eq 'HASH') {
2379: $domdefaults{$type.'quota'} = $domconfig{'coursedefaults'}{'uploadquota'}{$type};
2380: }
1.1172.2.60 raeburn 2381: if ($domdefaults{'postsubmit'} eq 'on') {
2382: if (ref($domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}) eq 'HASH') {
2383: $domdefaults{$type.'postsubtimeout'} =
2384: $domconfig{'coursedefaults'}{'postsubmit'}{'timeout'}{$type};
2385: }
2386: }
1.1172.2.30 raeburn 2387: }
1.1172.2.67 raeburn 2388: if (ref($domconfig{'coursedefaults'}{'canclone'}) eq 'HASH') {
2389: if (ref($domconfig{'coursedefaults'}{'canclone'}{'instcode'}) eq 'ARRAY') {
2390: my @clonecodes = @{$domconfig{'coursedefaults'}{'canclone'}{'instcode'}};
2391: if (@clonecodes) {
2392: $domdefaults{'canclone'} = join('+',@clonecodes);
2393: }
2394: }
2395: } elsif ($domconfig{'coursedefaults'}{'canclone'}) {
2396: $domdefaults{'canclone'}=$domconfig{'coursedefaults'}{'canclone'};
2397: }
1.1172.2.103 raeburn 2398: if ($domconfig{'coursedefaults'}{'texengine'}) {
2399: $domdefaults{'texengine'} = $domconfig{'coursedefaults'}{'texengine'};
2400: }
1.1047 raeburn 2401: }
1.1073 raeburn 2402: if (ref($domconfig{'usersessions'}) eq 'HASH') {
2403: if (ref($domconfig{'usersessions'}{'remote'}) eq 'HASH') {
2404: $domdefaults{'remotesessions'} = $domconfig{'usersessions'}{'remote'};
2405: }
2406: if (ref($domconfig{'usersessions'}{'hosted'}) eq 'HASH') {
2407: $domdefaults{'hostedsessions'} = $domconfig{'usersessions'}{'hosted'};
2408: }
1.1172.2.62 raeburn 2409: if (ref($domconfig{'usersessions'}{'offloadnow'}) eq 'HASH') {
2410: $domdefaults{'offloadnow'} = $domconfig{'usersessions'}{'offloadnow'};
2411: }
1.1073 raeburn 2412: }
1.1172.2.41 raeburn 2413: if (ref($domconfig{'selfenrollment'}) eq 'HASH') {
2414: if (ref($domconfig{'selfenrollment'}{'admin'}) eq 'HASH') {
2415: my @settings = ('types','registered','enroll_dates','access_dates','section',
2416: 'approval','limit');
2417: foreach my $type (@coursetypes) {
2418: if (ref($domconfig{'selfenrollment'}{'admin'}{$type}) eq 'HASH') {
2419: my @mgrdc = ();
2420: foreach my $item (@settings) {
2421: if ($domconfig{'selfenrollment'}{'admin'}{$type}{$item} eq '0') {
2422: push(@mgrdc,$item);
2423: }
2424: }
2425: if (@mgrdc) {
2426: $domdefaults{$type.'selfenrolladmdc'} = join(',',@mgrdc);
2427: }
2428: }
2429: }
2430: }
2431: if (ref($domconfig{'selfenrollment'}{'default'}) eq 'HASH') {
2432: foreach my $type (@coursetypes) {
2433: if (ref($domconfig{'selfenrollment'}{'default'}{$type}) eq 'HASH') {
2434: foreach my $item (keys(%{$domconfig{'selfenrollment'}{'default'}{$type}})) {
2435: $domdefaults{$type.'selfenroll'.$item} = $domconfig{'selfenrollment'}{'default'}{$type}{$item};
2436: }
2437: }
2438: }
2439: }
2440: }
1.1172.2.46 raeburn 2441: if (ref($domconfig{'coursecategories'}) eq 'HASH') {
2442: $domdefaults{'catauth'} = 'std';
2443: $domdefaults{'catunauth'} = 'std';
2444: if ($domconfig{'coursecategories'}{'auth'}) {
2445: $domdefaults{'catauth'} = $domconfig{'coursecategories'}{'auth'};
2446: }
2447: if ($domconfig{'coursecategories'}{'unauth'}) {
2448: $domdefaults{'catunauth'} = $domconfig{'coursecategories'}{'unauth'};
2449: }
2450: }
1.1172.2.76 raeburn 2451: if (ref($domconfig{'autoenroll'}) eq 'HASH') {
2452: $domdefaults{'autofailsafe'} = $domconfig{'autoenroll'}{'autofailsafe'};
2453: }
1.1172.2.89 raeburn 2454: if (ref($domconfig{'helpsettings'}) eq 'HASH') {
2455: $domdefaults{'submitbugs'} = $domconfig{'helpsettings'}{'submitbugs'};
2456: if (ref($domconfig{'helpsettings'}{'adhoc'}) eq 'HASH') {
2457: $domdefaults{'adhocroles'} = $domconfig{'helpsettings'}{'adhoc'};
2458: }
2459: }
1.1172.2.23 raeburn 2460: &do_cache_new('domdefaults',$domain,\%domdefaults,$cachetime);
1.943 raeburn 2461: return %domdefaults;
2462: }
2463:
1.1172.2.106 raeburn 2464: sub get_dom_cats {
2465: my ($dom) = @_;
2466: return unless (&domain($dom));
2467: my ($cats,$cached)=&is_cached_new('cats',$dom);
2468: unless (defined($cached)) {
2469: my %domconfig = &get_dom('configuration',['coursecategories'],$dom);
2470: if (ref($domconfig{'coursecategories'}) eq 'HASH') {
2471: if (ref($domconfig{'coursecategories'}{'cats'}) eq 'HASH') {
2472: %{$cats} = %{$domconfig{'coursecategories'}{'cats'}};
2473: } else {
2474: $cats = {};
2475: }
2476: } else {
2477: $cats = {};
2478: }
2479: &Apache::lonnet::do_cache_new('cats',$dom,$cats,3600);
2480: }
2481: return $cats;
2482: }
2483:
2484: sub get_dom_instcats {
2485: my ($dom) = @_;
2486: return unless (&domain($dom));
2487: my ($instcats,$cached)=&is_cached_new('instcats',$dom);
2488: unless (defined($cached)) {
2489: my (%coursecodes,%codes,@codetitles,%cat_titles,%cat_order);
2490: my $totcodes = &retrieve_instcodes(\%coursecodes,$dom);
2491: if ($totcodes > 0) {
2492: my $caller = 'global';
2493: if (&auto_instcode_format($caller,$dom,\%coursecodes,\%codes,
2494: \@codetitles,\%cat_titles,\%cat_order) eq 'ok') {
2495: $instcats = {
2496: codes => \%codes,
2497: codetitles => \@codetitles,
2498: cat_titles => \%cat_titles,
2499: cat_order => \%cat_order,
2500: };
2501: &do_cache_new('instcats',$dom,$instcats,3600);
2502: }
2503: }
2504: }
2505: return $instcats;
2506: }
2507:
2508: sub retrieve_instcodes {
2509: my ($coursecodes,$dom) = @_;
2510: my $totcodes;
2511: my %courses = &courseiddump($dom,'.',1,'.','.','.',undef,undef,'Course');
2512: foreach my $course (keys(%courses)) {
2513: if (ref($courses{$course}) eq 'HASH') {
2514: if ($courses{$course}{'inst_code'} ne '') {
2515: $$coursecodes{$course} = $courses{$course}{'inst_code'};
2516: $totcodes ++;
2517: }
2518: }
2519: }
2520: return $totcodes;
2521: }
2522:
1.1172.2.113 raeburn 2523: # --------------------------------------------- Get domain config for passwords
2524:
2525: sub get_passwdconf {
2526: my ($dom) = @_;
2527: my (%passwdconf,$gotconf,$lookup);
2528: my ($result,$cached)=&is_cached_new('passwdconf',$dom);
2529: if (defined($cached)) {
2530: if (ref($result) eq 'HASH') {
2531: %passwdconf = %{$result};
2532: $gotconf = 1;
2533: }
2534: }
2535: unless ($gotconf) {
2536: my %domconfig = &get_dom('configuration',['passwords'],$dom);
2537: if (ref($domconfig{'passwords'}) eq 'HASH') {
2538: %passwdconf = %{$domconfig{'passwords'}};
2539: }
2540: my $cachetime = 24*60*60;
2541: &do_cache_new('passwdconf',$dom,\%passwdconf,$cachetime);
2542: }
2543: return %passwdconf;
2544: }
2545:
1.1172.2.118. .1(raebu 2546:20): sub course_portal_url {
2547:20): my ($cnum,$cdom) = @_;
2548:20): my $chome = &homeserver($cnum,$cdom);
2549:20): my $hostname = &hostname($chome);
2550:20): my $protocol = $protocol{$chome};
2551:20): $protocol = 'http' if ($protocol ne 'https');
2552:20): my %domdefaults = &get_domain_defaults($cdom);
2553:20): my $firsturl;
2554:20): if ($domdefaults{'portal_def'}) {
2555:20): $firsturl = $domdefaults{'portal_def'};
2556:20): } else {
2557:20): $firsturl = $protocol.'://'.$hostname;
2558:20): }
2559:20): return $firsturl;
2560:20): }
2561:20):
1.344 www 2562: # --------------------------------------------------- Assign a key to a student
2563:
2564: sub assign_access_key {
1.364 www 2565: #
2566: # a valid key looks like uname:udom#comments
2567: # comments are being appended
2568: #
1.498 www 2569: my ($ckey,$kdom,$knum,$cdom,$cnum,$udom,$uname,$logentry)=@_;
2570: $kdom=
1.620 albertel 2571: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($kdom));
1.498 www 2572: $knum=
1.620 albertel 2573: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($knum));
1.344 www 2574: $cdom=
1.620 albertel 2575: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom));
1.344 www 2576: $cnum=
1.620 albertel 2577: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum));
2578: $udom=$env{'user.name'} unless (defined($udom));
2579: $uname=$env{'user.domain'} unless (defined($uname));
1.498 www 2580: my %existing=&get('accesskeys',[$ckey],$kdom,$knum);
1.364 www 2581: if (($existing{$ckey}=~/^\#(.*)$/) || # - new key
1.479 albertel 2582: ($existing{$ckey}=~/^\Q$uname\E\:\Q$udom\E\#(.*)$/)) {
1.364 www 2583: # assigned to this person
2584: # - this should not happen,
1.345 www 2585: # unless something went wrong
2586: # the first time around
2587: # ready to assign
1.364 www 2588: $logentry=$1.'; '.$logentry;
1.496 www 2589: if (&put('accesskeys',{$ckey=>$uname.':'.$udom.'#'.$logentry},
1.498 www 2590: $kdom,$knum) eq 'ok') {
1.345 www 2591: # key now belongs to user
1.346 www 2592: my $envkey='key.'.$cdom.'_'.$cnum;
1.345 www 2593: if (&put('environment',{$envkey => $ckey}) eq 'ok') {
1.949 raeburn 2594: &appenv({'environment.'.$envkey => $ckey});
1.345 www 2595: return 'ok';
2596: } else {
2597: return
2598: 'error: Count not permanently assign key, will need to be re-entered later.';
2599: }
2600: } else {
2601: return 'error: Could not assign key, try again later.';
2602: }
1.364 www 2603: } elsif (!$existing{$ckey}) {
1.345 www 2604: # the key does not exist
2605: return 'error: The key does not exist';
2606: } else {
2607: # the key is somebody else's
2608: return 'error: The key is already in use';
2609: }
1.344 www 2610: }
2611:
1.364 www 2612: # ------------------------------------------ put an additional comment on a key
2613:
2614: sub comment_access_key {
2615: #
2616: # a valid key looks like uname:udom#comments
2617: # comments are being appended
2618: #
2619: my ($ckey,$cdom,$cnum,$logentry)=@_;
2620: $cdom=
1.620 albertel 2621: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom));
1.364 www 2622: $cnum=
1.620 albertel 2623: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum));
1.364 www 2624: my %existing=&get('accesskeys',[$ckey],$cdom,$cnum);
2625: if ($existing{$ckey}) {
2626: $existing{$ckey}.='; '.$logentry;
2627: # ready to assign
1.367 www 2628: if (&put('accesskeys',{$ckey=>$existing{$ckey}},
1.364 www 2629: $cdom,$cnum) eq 'ok') {
2630: return 'ok';
2631: } else {
2632: return 'error: Count not store comment.';
2633: }
2634: } else {
2635: # the key does not exist
2636: return 'error: The key does not exist';
2637: }
2638: }
2639:
1.344 www 2640: # ------------------------------------------------------ Generate a set of keys
2641:
2642: sub generate_access_keys {
1.364 www 2643: my ($number,$cdom,$cnum,$logentry)=@_;
1.344 www 2644: $cdom=
1.620 albertel 2645: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom));
1.344 www 2646: $cnum=
1.620 albertel 2647: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum));
1.361 www 2648: unless (&allowed('mky',$cdom)) { return 0; }
1.344 www 2649: unless (($cdom) && ($cnum)) { return 0; }
2650: if ($number>10000) { return 0; }
2651: sleep(2); # make sure don't get same seed twice
2652: srand(time()^($$+($$<<15))); # from "Programming Perl"
2653: my $total=0;
2654: for (my $i=1;$i<=$number;$i++) {
2655: my $newkey=sprintf("%lx",int(100000*rand)).'-'.
2656: sprintf("%lx",int(100000*rand)).'-'.
2657: sprintf("%lx",int(100000*rand));
2658: $newkey=~s/1/g/g; # folks mix up 1 and l
2659: $newkey=~s/0/h/g; # and also 0 and O
2660: my %existing=&get('accesskeys',[$newkey],$cdom,$cnum);
2661: if ($existing{$newkey}) {
2662: $i--;
2663: } else {
1.364 www 2664: if (&put('accesskeys',
2665: { $newkey => '# generated '.localtime().
1.620 albertel 2666: ' by '.$env{'user.name'}.'@'.$env{'user.domain'}.
1.364 www 2667: '; '.$logentry },
2668: $cdom,$cnum) eq 'ok') {
1.344 www 2669: $total++;
2670: }
2671: }
2672: }
1.620 albertel 2673: &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},
1.344 www 2674: 'Generated '.$total.' keys for '.$cnum.' at '.$cdom);
2675: return $total;
2676: }
2677:
2678: # ------------------------------------------------------- Validate an accesskey
2679:
2680: sub validate_access_key {
2681: my ($ckey,$cdom,$cnum,$udom,$uname)=@_;
2682: $cdom=
1.620 albertel 2683: $env{'course.'.$env{'request.course.id'}.'.domain'} unless (defined($cdom));
1.344 www 2684: $cnum=
1.620 albertel 2685: $env{'course.'.$env{'request.course.id'}.'.num'} unless (defined($cnum));
2686: $udom=$env{'user.domain'} unless (defined($udom));
2687: $uname=$env{'user.name'} unless (defined($uname));
1.345 www 2688: my %existing=&get('accesskeys',[$ckey],$cdom,$cnum);
1.479 albertel 2689: return ($existing{$ckey}=~/^\Q$uname\E\:\Q$udom\E\#/);
1.70 www 2690: }
2691:
2692: # ------------------------------------- Find the section of student in a course
1.652 albertel 2693: sub devalidate_getsection_cache {
2694: my ($udom,$unam,$courseid)=@_;
2695: my $hashid="$udom:$unam:$courseid";
2696: &devalidate_cache_new('getsection',$hashid);
2697: }
1.298 matthew 2698:
1.815 albertel 2699: sub courseid_to_courseurl {
2700: my ($courseid) = @_;
2701: #already url style courseid
2702: return $courseid if ($courseid =~ m{^/});
2703:
2704: if (exists($env{'course.'.$courseid.'.num'})) {
2705: my $cnum = $env{'course.'.$courseid.'.num'};
2706: my $cdom = $env{'course.'.$courseid.'.domain'};
2707: return "/$cdom/$cnum";
2708: }
2709:
2710: my %courseinfo=&Apache::lonnet::coursedescription($courseid);
2711: if (exists($courseinfo{'num'})) {
2712: return "/$courseinfo{'domain'}/$courseinfo{'num'}";
2713: }
2714:
2715: return undef;
2716: }
2717:
1.298 matthew 2718: sub getsection {
2719: my ($udom,$unam,$courseid)=@_;
1.599 albertel 2720: my $cachetime=1800;
1.551 albertel 2721:
2722: my $hashid="$udom:$unam:$courseid";
1.599 albertel 2723: my ($result,$cached)=&is_cached_new('getsection',$hashid);
1.551 albertel 2724: if (defined($cached)) { return $result; }
2725:
1.298 matthew 2726: my %Pending;
2727: my %Expired;
2728: #
2729: # Each role can either have not started yet (pending), be active,
2730: # or have expired.
2731: #
2732: # If there is an active role, we are done.
2733: #
2734: # If there is more than one role which has not started yet,
2735: # choose the one which will start sooner
2736: # If there is one role which has not started yet, return it.
2737: #
2738: # If there is more than one expired role, choose the one which ended last.
2739: # If there is a role which has expired, return it.
2740: #
1.815 albertel 2741: $courseid = &courseid_to_courseurl($courseid);
1.1166 raeburn 2742: my %roleshash = &dump('roles',$udom,$unam,$courseid);
1.817 raeburn 2743: foreach my $key (keys(%roleshash)) {
1.479 albertel 2744: next if ($key !~/^\Q$courseid\E(?:\/)*(\w+)*\_st$/);
1.298 matthew 2745: my $section=$1;
2746: if ($key eq $courseid.'_st') { $section=''; }
1.817 raeburn 2747: my ($dummy,$end,$start)=split(/\_/,&unescape($roleshash{$key}));
1.298 matthew 2748: my $now=time;
1.548 albertel 2749: if (defined($end) && $end && ($now > $end)) {
1.298 matthew 2750: $Expired{$end}=$section;
2751: next;
2752: }
1.548 albertel 2753: if (defined($start) && $start && ($now < $start)) {
1.298 matthew 2754: $Pending{$start}=$section;
2755: next;
2756: }
1.599 albertel 2757: return &do_cache_new('getsection',$hashid,$section,$cachetime);
1.298 matthew 2758: }
2759: #
2760: # Presumedly there will be few matching roles from the above
2761: # loop and the sorting time will be negligible.
2762: if (scalar(keys(%Pending))) {
2763: my ($time) = sort {$a <=> $b} keys(%Pending);
1.599 albertel 2764: return &do_cache_new('getsection',$hashid,$Pending{$time},$cachetime);
1.298 matthew 2765: }
2766: if (scalar(keys(%Expired))) {
2767: my @sorted = sort {$a <=> $b} keys(%Expired);
2768: my $time = pop(@sorted);
1.599 albertel 2769: return &do_cache_new('getsection',$hashid,$Expired{$time},$cachetime);
1.298 matthew 2770: }
1.599 albertel 2771: return &do_cache_new('getsection',$hashid,'-1',$cachetime);
1.298 matthew 2772: }
1.70 www 2773:
1.599 albertel 2774: sub save_cache {
2775: &purge_remembered();
1.722 albertel 2776: #&Apache::loncommon::validate_page();
1.620 albertel 2777: undef(%env);
1.780 albertel 2778: undef($env_loaded);
1.599 albertel 2779: }
1.452 albertel 2780:
1.599 albertel 2781: my $to_remember=-1;
2782: my %remembered;
2783: my %accessed;
2784: my $kicks=0;
2785: my $hits=0;
1.849 albertel 2786: sub make_key {
2787: my ($name,$id) = @_;
1.872 albertel 2788: if (length($id) > 65
2789: && length(&escape($id)) > 200) {
2790: $id=length($id).':'.&Digest::MD5::md5_hex($id);
2791: }
1.849 albertel 2792: return &escape($name.':'.$id);
2793: }
2794:
1.599 albertel 2795: sub devalidate_cache_new {
2796: my ($name,$id,$debug) = @_;
2797: if ($debug) { &Apache::lonnet::logthis("deleting $name:$id"); }
1.1172.2.81 raeburn 2798: my $remembered_id=$name.':'.$id;
1.849 albertel 2799: $id=&make_key($name,$id);
1.599 albertel 2800: $memcache->delete($id);
1.1172.2.81 raeburn 2801: delete($remembered{$remembered_id});
2802: delete($accessed{$remembered_id});
1.599 albertel 2803: }
2804:
2805: sub is_cached_new {
2806: my ($name,$id,$debug) = @_;
1.1172.2.81 raeburn 2807: my $remembered_id=$name.':'.$id; # this is to avoid make_key (which is slow) for
2808: # keys in %remembered hash, which persists for
2809: # duration of request (no restriction on key length).
2810: if (exists($remembered{$remembered_id})) {
2811: if ($debug) { &Apache::lonnet::logthis("Early return $remembered_id of $remembered{$remembered_id} "); }
2812: $accessed{$remembered_id}=[&gettimeofday()];
1.599 albertel 2813: $hits++;
1.1172.2.81 raeburn 2814: return ($remembered{$remembered_id},1);
1.599 albertel 2815: }
1.1172.2.81 raeburn 2816: $id=&make_key($name,$id);
1.599 albertel 2817: my $value = $memcache->get($id);
2818: if (!(defined($value))) {
2819: if ($debug) { &Apache::lonnet::logthis("getting $id is not defined"); }
1.417 albertel 2820: return (undef,undef);
1.416 albertel 2821: }
1.599 albertel 2822: if ($value eq '__undef__') {
2823: if ($debug) { &Apache::lonnet::logthis("getting $id is __undef__"); }
2824: $value=undef;
2825: }
1.1172.2.81 raeburn 2826: &make_room($remembered_id,$value,$debug);
1.599 albertel 2827: if ($debug) { &Apache::lonnet::logthis("getting $id is $value"); }
2828: return ($value,1);
2829: }
2830:
2831: sub do_cache_new {
2832: my ($name,$id,$value,$time,$debug) = @_;
1.1172.2.81 raeburn 2833: my $remembered_id=$name.':'.$id;
1.849 albertel 2834: $id=&make_key($name,$id);
1.599 albertel 2835: my $setvalue=$value;
2836: if (!defined($setvalue)) {
2837: $setvalue='__undef__';
2838: }
1.623 albertel 2839: if (!defined($time) ) {
2840: $time=600;
2841: }
1.599 albertel 2842: if ($debug) { &Apache::lonnet::logthis("Setting $id to $value"); }
1.910 albertel 2843: my $result = $memcache->set($id,$setvalue,$time);
2844: if (! $result) {
1.872 albertel 2845: &logthis("caching of id -> $id failed");
1.910 albertel 2846: $memcache->disconnect_all();
1.872 albertel 2847: }
1.600 albertel 2848: # need to make a copy of $value
1.1172.2.81 raeburn 2849: &make_room($remembered_id,$value,$debug);
1.599 albertel 2850: return $value;
2851: }
2852:
2853: sub make_room {
1.1172.2.81 raeburn 2854: my ($remembered_id,$value,$debug)=@_;
1.919 albertel 2855:
1.1172.2.81 raeburn 2856: $remembered{$remembered_id}= (ref($value)) ? &Storable::dclone($value)
1.919 albertel 2857: : $value;
1.599 albertel 2858: if ($to_remember<0) { return; }
1.1172.2.81 raeburn 2859: $accessed{$remembered_id}=[&gettimeofday()];
1.599 albertel 2860: if (scalar(keys(%remembered)) <= $to_remember) { return; }
2861: my $to_kick;
2862: my $max_time=0;
2863: foreach my $other (keys(%accessed)) {
2864: if (&tv_interval($accessed{$other}) > $max_time) {
2865: $to_kick=$other;
2866: $max_time=&tv_interval($accessed{$other});
2867: }
2868: }
2869: delete($remembered{$to_kick});
2870: delete($accessed{$to_kick});
2871: $kicks++;
2872: if ($debug) { &logthis("kicking $to_kick $max_time $kicks\n"); }
1.541 albertel 2873: return;
2874: }
2875:
1.599 albertel 2876: sub purge_remembered {
1.604 albertel 2877: #&logthis("Tossing ".scalar(keys(%remembered)));
2878: #&logthis(sprintf("%-20s is %s",'%remembered',length(&freeze(\%remembered))));
1.599 albertel 2879: undef(%remembered);
2880: undef(%accessed);
1.428 albertel 2881: }
1.70 www 2882: # ------------------------------------- Read an entry from a user's environment
2883:
2884: sub userenvironment {
2885: my ($udom,$unam,@what)=@_;
1.976 raeburn 2886: my $items;
2887: foreach my $item (@what) {
2888: $items.=&escape($item).'&';
2889: }
2890: $items=~s/\&$//;
1.70 www 2891: my %returnhash=();
1.1009 raeburn 2892: my $uhome = &homeserver($unam,$udom);
2893: unless ($uhome eq 'no_host') {
2894: my @answer=split(/\&/,
2895: &reply('get:'.$udom.':'.$unam.':environment:'.$items,$uhome));
1.1048 raeburn 2896: if ($#answer==0 && $answer[0] =~ /^(con_lost|error:|no_such_host)/i) {
2897: return %returnhash;
2898: }
1.1009 raeburn 2899: my $i;
2900: for ($i=0;$i<=$#what;$i++) {
2901: $returnhash{$what[$i]}=&unescape($answer[$i]);
2902: }
1.70 www 2903: }
2904: return %returnhash;
1.1 albertel 2905: }
2906:
1.617 albertel 2907: # ---------------------------------------------------------- Get a studentphoto
2908: sub studentphoto {
2909: my ($udom,$unam,$ext) = @_;
2910: my $home=&Apache::lonnet::homeserver($unam,$udom);
1.706 raeburn 2911: if (defined($env{'request.course.id'})) {
1.708 raeburn 2912: if ($env{'course.'.$env{'request.course.id'}.'.internal.showphoto'}) {
1.706 raeburn 2913: if ($udom eq $env{'course.'.$env{'request.course.id'}.'.domain'}) {
2914: return(&retrievestudentphoto($udom,$unam,$ext));
2915: } else {
2916: my ($result,$perm_reqd)=
1.707 albertel 2917: &Apache::lonnet::auto_photo_permission($unam,$udom);
1.706 raeburn 2918: if ($result eq 'ok') {
2919: if (!($perm_reqd eq 'yes')) {
2920: return(&retrievestudentphoto($udom,$unam,$ext));
2921: }
2922: }
2923: }
2924: }
2925: } else {
2926: my ($result,$perm_reqd) =
1.707 albertel 2927: &Apache::lonnet::auto_photo_permission($unam,$udom);
1.706 raeburn 2928: if ($result eq 'ok') {
2929: if (!($perm_reqd eq 'yes')) {
2930: return(&retrievestudentphoto($udom,$unam,$ext));
2931: }
2932: }
2933: }
2934: return '/adm/lonKaputt/lonlogo_broken.gif';
2935: }
2936:
2937: sub retrievestudentphoto {
2938: my ($udom,$unam,$ext,$type) = @_;
2939: my $home=&Apache::lonnet::homeserver($unam,$udom);
2940: my $ret=&Apache::lonnet::reply("studentphoto:$udom:$unam:$ext:$type",$home);
2941: if ($ret eq 'ok') {
2942: my $url="/uploaded/$udom/$unam/internal/studentphoto.$ext";
2943: if ($type eq 'thumbnail') {
2944: $url="/uploaded/$udom/$unam/internal/studentphoto_tn.$ext";
2945: }
2946: my $tokenurl=&Apache::lonnet::tokenwrapper($url);
2947: return $tokenurl;
2948: } else {
2949: if ($type eq 'thumbnail') {
2950: return '/adm/lonKaputt/genericstudent_tn.gif';
2951: } else {
2952: return '/adm/lonKaputt/lonlogo_broken.gif';
2953: }
1.617 albertel 2954: }
2955: }
2956:
1.263 www 2957: # -------------------------------------------------------------------- New chat
2958:
2959: sub chatsend {
1.724 raeburn 2960: my ($newentry,$anon,$group)=@_;
1.620 albertel 2961: my $cnum=$env{'course.'.$env{'request.course.id'}.'.num'};
2962: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
2963: my $chome=$env{'course.'.$env{'request.course.id'}.'.home'};
1.263 www 2964: &reply('chatsend:'.$cdom.':'.$cnum.':'.
1.620 albertel 2965: &escape($env{'user.domain'}.':'.$env{'user.name'}.':'.$anon.':'.
1.724 raeburn 2966: &escape($newentry)).':'.$group,$chome);
1.292 www 2967: }
2968:
2969: # ------------------------------------------ Find current version of a resource
2970:
2971: sub getversion {
2972: my $fname=&clutter(shift);
1.1172.2.10 raeburn 2973: unless ($fname=~m{^(/adm/wrapper|)/res/}) { return -1; }
1.292 www 2974: return ¤tversion(&filelocation('',$fname));
2975: }
2976:
2977: sub currentversion {
2978: my $fname=shift;
2979: my $author=$fname;
2980: $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
2981: my ($udom,$uname)=split(/\//,$author);
1.1112 www 2982: my $home=&homeserver($uname,$udom);
1.292 www 2983: if ($home eq 'no_host') {
2984: return -1;
2985: }
1.1112 www 2986: my $answer=&reply("currentversion:$fname",$home);
1.292 www 2987: if (($answer eq 'con_lost') || ($answer eq 'rejected')) {
2988: return -1;
2989: }
1.1112 www 2990: return $answer;
1.263 www 2991: }
2992:
1.1111 www 2993: #
2994: # Return special version number of resource if set by override, empty otherwise
2995: #
2996: sub usedversion {
2997: my $fname=shift;
2998: unless ($fname) { $fname=$env{'request.uri'}; }
2999: my ($urlversion)=($fname=~/\.(\d+)\.\w+$/);
3000: if ($urlversion) { return $urlversion; }
3001: return '';
3002: }
3003:
1.1 albertel 3004: # ----------------------------- Subscribe to a resource, return URL if possible
1.11 www 3005:
1.1 albertel 3006: sub subscribe {
3007: my $fname=shift;
1.761 raeburn 3008: if ($fname=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { return ''; }
1.532 albertel 3009: $fname=~s/[\n\r]//g;
1.1 albertel 3010: my $author=$fname;
3011: $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
3012: my ($udom,$uname)=split(/\//,$author);
3013: my $home=homeserver($uname,$udom);
1.335 albertel 3014: if ($home eq 'no_host') {
3015: return 'not_found';
1.1 albertel 3016: }
3017: my $answer=reply("sub:$fname",$home);
1.64 www 3018: if (($answer eq 'con_lost') || ($answer eq 'rejected')) {
3019: $answer.=' by '.$home;
3020: }
1.1 albertel 3021: return $answer;
3022: }
3023:
1.8 www 3024: # -------------------------------------------------------------- Replicate file
3025:
3026: sub repcopy {
3027: my $filename=shift;
1.23 www 3028: $filename=~s/\/+/\//g;
1.1142 raeburn 3029: my $londocroot = $perlvar{'lonDocRoot'};
3030: if ($filename=~m{^\Q$londocroot/adm/\E}) { return 'ok'; }
1.1164 raeburn 3031: if ($filename=~m{^\Q/home/httpd/lonUsers/\E}) { return 'ok'; }
1.1142 raeburn 3032: if ($filename=~m{^\Q$londocroot/userfiles/\E} or
3033: $filename=~m{^/*(uploaded|editupload)/}) {
1.538 albertel 3034: return &repcopy_userfile($filename);
3035: }
1.532 albertel 3036: $filename=~s/[\n\r]//g;
1.8 www 3037: my $transname="$filename.in.transfer";
1.828 www 3038: # FIXME: this should flock
1.607 raeburn 3039: if ((-e $filename) || (-e $transname)) { return 'ok'; }
1.8 www 3040: my $remoteurl=subscribe($filename);
1.64 www 3041: if ($remoteurl =~ /^con_lost by/) {
3042: &logthis("Subscribe returned $remoteurl: $filename");
1.607 raeburn 3043: return 'unavailable';
1.8 www 3044: } elsif ($remoteurl eq 'not_found') {
1.441 albertel 3045: #&logthis("Subscribe returned not_found: $filename");
1.607 raeburn 3046: return 'not_found';
1.64 www 3047: } elsif ($remoteurl =~ /^rejected by/) {
3048: &logthis("Subscribe returned $remoteurl: $filename");
1.607 raeburn 3049: return 'forbidden';
1.20 www 3050: } elsif ($remoteurl eq 'directory') {
1.607 raeburn 3051: return 'ok';
1.8 www 3052: } else {
1.290 www 3053: my $author=$filename;
3054: $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
3055: my ($udom,$uname)=split(/\//,$author);
3056: my $home=homeserver($uname,$udom);
3057: unless ($home eq $perlvar{'lonHostID'}) {
1.8 www 3058: my @parts=split(/\//,$filename);
3059: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
1.1142 raeburn 3060: if ($path ne "$londocroot/res") {
1.8 www 3061: &logthis("Malconfiguration for replication: $filename");
1.607 raeburn 3062: return 'bad_request';
1.8 www 3063: }
3064: my $count;
3065: for ($count=5;$count<$#parts;$count++) {
3066: $path.="/$parts[$count]";
3067: if ((-e $path)!=1) {
3068: mkdir($path,0777);
3069: }
3070: }
3071: my $ua=new LWP::UserAgent;
3072: my $request=new HTTP::Request('GET',"$remoteurl");
3073: my $response=$ua->request($request,$transname);
3074: if ($response->is_error()) {
3075: unlink($transname);
3076: my $message=$response->status_line;
1.672 albertel 3077: &logthis("<font color=\"blue\">WARNING:"
1.12 www 3078: ." LWP get: $message: $filename</font>");
1.607 raeburn 3079: return 'unavailable';
1.8 www 3080: } else {
1.16 www 3081: if ($remoteurl!~/\.meta$/) {
3082: my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta');
3083: my $mresponse=$ua->request($mrequest,$filename.'.meta');
3084: if ($mresponse->is_error()) {
3085: unlink($filename.'.meta');
3086: &logthis(
1.672 albertel 3087: "<font color=\"yellow\">INFO: No metadata: $filename</font>");
1.16 www 3088: }
3089: }
1.8 www 3090: rename($transname,$filename);
1.607 raeburn 3091: return 'ok';
1.8 www 3092: }
1.290 www 3093: }
1.8 www 3094: }
1.330 www 3095: }
3096:
1.1172.2.118. .5(raebu 3097:20): # ------------------------------------------------- Unsubscribe from a resource
3098:20):
3099:20): sub unsubscribe {
3100:20): my ($fname) = @_;
3101:20): my $answer;
3102:20): if ($fname=~/\/(aboutme|syllabus|bulletinboard|smppg)$/) { return $answer; }
3103:20): $fname=~s/[\n\r]//g;
3104:20): my $author=$fname;
3105:20): $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
3106:20): my ($udom,$uname)=split(/\//,$author);
3107:20): my $home=homeserver($uname,$udom);
3108:20): if ($home eq 'no_host') {
3109:20): $answer = 'no_host';
3110:20): } elsif (grep { $_ eq $home } ¤t_machine_ids()) {
3111:20): $answer = 'home';
3112:20): } else {
.7(raebu 3113:20): $answer = reply("unsub:$fname",$home);
.5(raebu 3114:20): }
3115:20): return $answer;
3116:20): }
3117:20):
1.330 www 3118: # ------------------------------------------------ Get server side include body
3119: sub ssi_body {
1.381 albertel 3120: my ($filelink,%form)=@_;
1.606 matthew 3121: if (! exists($form{'LONCAPA_INTERNAL_no_discussion'})) {
3122: $form{'LONCAPA_INTERNAL_no_discussion'}='true';
3123: }
1.953 www 3124: my $output='';
3125: my $response;
1.980 raeburn 3126: if ($filelink=~/^https?\:/) {
1.954 raeburn 3127: ($output,$response)=&externalssi($filelink);
1.953 www 3128: } else {
1.1004 droeschl 3129: $filelink .= $filelink=~/\?/ ? '&' : '?';
3130: $filelink .= 'inhibitmenu=yes';
1.953 www 3131: ($output,$response)=&ssi($filelink,%form);
3132: }
1.778 albertel 3133: $output=~s|//(\s*<!--)? BEGIN LON-CAPA Internal.+?// END LON-CAPA Internal\s*(-->)?\s||gs;
1.451 albertel 3134: $output=~s/^.*?\<body[^\>]*\>//si;
1.930 albertel 3135: $output=~s/\<\/body\s*\>.*?$//si;
1.953 www 3136: if (wantarray) {
3137: return ($output, $response);
3138: } else {
3139: return $output;
3140: }
1.8 www 3141: }
3142:
1.15 www 3143: # --------------------------------------------------------- Server Side Include
3144:
1.782 albertel 3145: sub absolute_url {
3146: my ($host_name) = @_;
3147: my $protocol = ($ENV{'SERVER_PORT'} == 443?'https://':'http://');
3148: if ($host_name eq '') {
3149: $host_name = $ENV{'SERVER_NAME'};
3150: }
3151: return $protocol.$host_name;
3152: }
3153:
1.942 foxr 3154: #
3155: # Server side include.
3156: # Parameters:
3157: # fn Possibly encrypted resource name/id.
3158: # form Hash that describes how the rendering should be done
3159: # and other things.
1.944 foxr 3160: # Returns:
1.950 raeburn 3161: # Scalar context: The content of the response.
3162: # Array context: 2 element list of the content and the full response object.
1.942 foxr 3163: #
1.15 www 3164: sub ssi {
3165:
1.944 foxr 3166: my ($fn,%form)=@_;
1.1172.2.100 raeburn 3167: my ($request,$response);
1.711 albertel 3168:
3169: $form{'no_update_last_known'}=1;
1.895 albertel 3170: &Apache::lonenc::check_encrypt(\$fn);
1.23 www 3171: if (%form) {
1.782 albertel 3172: $request=new HTTP::Request('POST',&absolute_url().$fn);
1.1172.2.58 raeburn 3173: $request->content(join('&',map {
3174: my $name = escape($_);
3175: "$name=" . ( ref($form{$_}) eq 'ARRAY'
3176: ? join("&$name=", map {escape($_) } @{$form{$_}})
3177: : &escape($form{$_}) );
3178: } keys(%form)));
1.23 www 3179: } else {
1.782 albertel 3180: $request=new HTTP::Request('GET',&absolute_url().$fn);
1.23 www 3181: }
3182:
1.15 www 3183: $request->header(Cookie => $ENV{'HTTP_COOKIE'});
1.1172.2.100 raeburn 3184:
1.1172.2.101 raeburn 3185: if (($env{'request.course.id'}) &&
3186: ($form{'grade_courseid'} eq $env{'request.course.id'}) &&
3187: ($form{'grade_username'} ne '') && ($form{'grade_domain'} ne '') &&
3188: ($form{'grade_symb'} ne '') &&
3189: (&Apache::lonnet::allowed('mgr',$env{'request.course.id'}.
3190: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
1.1172.2.100 raeburn 3191: if (LWP::UserAgent->VERSION >= 5.834) {
3192: my $ua=new LWP::UserAgent;
3193: $ua->local_address('127.0.0.1');
3194: $response = $ua->request($request);
3195: } else {
3196: {
3197: require LWP::Protocol::http;
3198: local @LWP::Protocol::http::EXTRA_SOCK_OPTS = (LocalAddr => '127.0.0.1');
3199: my $ua=new LWP::UserAgent;
3200: $response = $ua->request($request);
3201: @LWP::Protocol::http::EXTRA_SOCK_OPTS = ();
3202: }
3203: }
3204: } else {
3205: my $ua=new LWP::UserAgent;
3206: $response = $ua->request($request);
3207: }
1.944 foxr 3208: if (wantarray) {
1.1172.2.3 raeburn 3209: return ($response->content, $response);
1.944 foxr 3210: } else {
1.1172.2.3 raeburn 3211: return $response->content;
1.942 foxr 3212: }
1.324 www 3213: }
3214:
3215: sub externalssi {
3216: my ($url)=@_;
3217: my $ua=new LWP::UserAgent;
3218: my $request=new HTTP::Request('GET',$url);
3219: my $response=$ua->request($request);
1.954 raeburn 3220: if (wantarray) {
3221: return ($response->content, $response);
3222: } else {
3223: return $response->content;
3224: }
1.15 www 3225: }
1.254 www 3226:
1.1172.2.98 raeburn 3227: # If the local copy of a replicated resource is outdated, trigger a
3228: # connection from the homeserver to flush the delayed queue. If no update
3229: # happens, remove local copies of outdated resource (and corresponding
3230: # metadata file).
3231:
3232: sub remove_stale_resfile {
3233: my ($url) = @_;
3234: my $removed;
3235: if ($url=~m{^/res/($match_domain)/($match_username)/}) {
3236: my $audom = $1;
3237: my $auname = $2;
3238: unless (($url =~ /\.\d+\.\w+$/) || ($url =~ m{^/res/lib/templates/})) {
3239: my $homeserver = &homeserver($auname,$audom);
3240: unless (($homeserver eq 'no_host') ||
3241: (grep { $_ eq $homeserver } ¤t_machine_ids())) {
3242: my $fname = &filelocation('',$url);
3243: if (-e $fname) {
3244: my $hostname = &hostname($homeserver);
3245: if ($hostname) {
1.1172.2.118. .3(raebu 3246:20): my $protocol = $protocol{$homeserver};
3247:20): $protocol = 'http' if ($protocol ne 'https');
1.1172.2.98 raeburn 3248: my $uri = $protocol.'://'.$hostname.'/raw/'.&declutter($url);
1.1172.2.118. .3(raebu 3249:20): my $ua=new LWP::UserAgent;
3250:20): $ua->timeout(5);
1.1172.2.98 raeburn 3251: my $request=new HTTP::Request('HEAD',$uri);
3252: my $response=$ua->request($request);
3253: if ($response->is_success()) {
3254: my $remmodtime = &HTTP::Date::str2time( $response->header('Last-modified') );
3255: my $locmodtime = (stat($fname))[9];
3256: if ($locmodtime < $remmodtime) {
3257: my $stale;
3258: my $answer = &reply('pong',$homeserver);
3259: if ($answer eq $homeserver.':'.$perlvar{'lonHostID'}) {
3260: sleep(0.2);
3261: $locmodtime = (stat($fname))[9];
3262: if ($locmodtime < $remmodtime) {
3263: my $posstransfer = $fname.'.in.transfer';
3264: if ((-e $posstransfer) && ($remmodtime < (stat($posstransfer))[9])) {
3265: $removed = 1;
3266: } else {
3267: $stale = 1;
3268: }
3269: } else {
3270: $removed = 1;
3271: }
3272: } else {
3273: $stale = 1;
3274: }
3275: if ($stale) {
1.1172.2.118. .5(raebu 3276:20): if (unlink($fname)) {
3277:20): if ($uri!~/\.meta$/) {
3278:20): if (-e $fname.'.meta') {
3279:20): unlink($fname.'.meta');
3280:20): }
3281:20): }
3282:20): my $unsubresult = &unsubscribe($fname);
3283:20): unless ($unsubresult eq 'ok') {
3284:20): &logthis("no unsub of $fname from $homeserver, reason: $unsubresult");
3285:20): }
3286:20): $removed = 1;
1.1172.2.98 raeburn 3287: }
3288: }
3289: }
3290: }
3291: }
3292: }
3293: }
3294: }
3295: }
3296: return $removed;
3297: }
3298:
1.492 albertel 3299: # -------------------------------- Allow a /uploaded/ URI to be vouched for
3300:
3301: sub allowuploaded {
3302: my ($srcurl,$url)=@_;
3303: $url=&clutter(&declutter($url));
3304: my $dir=$url;
3305: $dir=~s/\/[^\/]+$//;
3306: my %httpref=();
3307: my $httpurl=&hreflocation('',$url);
3308: $httpref{'httpref.'.$httpurl}=$srcurl;
1.949 raeburn 3309: &Apache::lonnet::appenv(\%httpref);
1.254 www 3310: }
1.477 raeburn 3311:
1.1172.2.13 raeburn 3312: #
3313: # Determine if the current user should be able to edit a particular resource,
3314: # when viewing in course context.
3315: # (a) When viewing resource used to determine if "Edit" item is included in
3316: # Functions.
3317: # (b) When displaying folder contents in course editor, used to determine if
3318: # "Edit" link will be displayed alongside resource.
3319: #
3320: # input: six args -- filename (decluttered), course number, course domain,
3321: # url, symb (if registered) and group (if this is a group
3322: # item -- e.g., bulletin board, group page etc.).
3323: # output: array of five scalars --
3324: # $cfile -- url for file editing if editable on current server
3325: # $home -- homeserver of resource (i.e., for author if published,
3326: # or course if uploaded.).
3327: # $switchserver -- 1 if server switch will be needed.
3328: # $forceedit -- 1 if icon/link should be to go to edit mode
3329: # $forceview -- 1 if icon/link should be to go to view mode
3330: #
3331:
3332: sub can_edit_resource {
3333: my ($file,$cnum,$cdom,$resurl,$symb,$group) = @_;
3334: my ($cfile,$home,$switchserver,$forceedit,$forceview,$uploaded,$incourse);
3335: #
3336: # For aboutme pages user can only edit his/her own.
3337: #
3338: if ($resurl =~ m{^/?adm/($match_domain)/($match_username)/aboutme$}) {
3339: my ($sdom,$sname) = ($1,$2);
3340: if (($sdom eq $env{'user.domain'}) && ($sname eq $env{'user.name'})) {
3341: $home = $env{'user.home'};
3342: $cfile = $resurl;
3343: if ($env{'form.forceedit'}) {
3344: $forceview = 1;
3345: } else {
3346: $forceedit = 1;
3347: }
3348: return ($cfile,$home,$switchserver,$forceedit,$forceview);
3349: } else {
3350: return;
3351: }
3352: }
3353:
3354: if ($env{'request.course.id'}) {
3355: my $crsedit = &Apache::lonnet::allowed('mdc',$env{'request.course.id'});
3356: if ($group ne '') {
3357: # if this is a group homepage or group bulletin board, check group privs
3358: my $allowed = 0;
3359: if ($resurl =~ m{^/?adm/$cdom/$cnum/$group/smppg$}) {
3360: if ((&allowed('mdg',$env{'request.course.id'}.
3361: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) ||
3362: (&allowed('mgh',$env{'request.course.id'}.'/'.$group)) || $crsedit) {
3363: $allowed = 1;
3364: }
3365: } elsif ($resurl =~ m{^/?adm/$cdom/$cnum/\d+/bulletinboard$}) {
3366: if ((&allowed('mdg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) ||
3367: (&allowed('cgb',$env{'request.course.id'}.'/'.$group)) || $crsedit) {
3368: $allowed = 1;
3369: }
3370: }
3371: if ($allowed) {
3372: $home=&homeserver($cnum,$cdom);
3373: if ($env{'form.forceedit'}) {
3374: $forceview = 1;
3375: } else {
3376: $forceedit = 1;
3377: }
3378: $cfile = $resurl;
3379: } else {
3380: return;
3381: }
3382: } else {
1.1172.2.15 raeburn 3383: if ($resurl =~ m{^/?adm/viewclasslist$}) {
3384: unless (&Apache::lonnet::allowed('opa',$env{'request.course.id'})) {
3385: return;
3386: }
3387: } elsif (!$crsedit) {
1.1172.2.13 raeburn 3388: #
3389: # No edit allowed where CC has switched to student role.
3390: #
3391: return;
3392: }
3393: }
3394: }
3395:
3396: if ($file ne '') {
3397: if (($cnum =~ /$match_courseid/) && ($cdom =~ /$match_domain/)) {
3398: if (&is_course_upload($file,$cnum,$cdom)) {
3399: $uploaded = 1;
3400: $incourse = 1;
3401: if ($file =~/\.(htm|html|css|js|txt)$/) {
3402: $cfile = &hreflocation('',$file);
3403: if ($env{'form.forceedit'}) {
3404: $forceview = 1;
3405: } else {
3406: $forceedit = 1;
3407: }
3408: }
3409: } elsif ($resurl =~ m{^/public/$cdom/$cnum/syllabus}) {
3410: $incourse = 1;
3411: if ($env{'form.forceedit'}) {
3412: $forceview = 1;
3413: } else {
3414: $forceedit = 1;
3415: }
3416: $cfile = $resurl;
3417: } elsif (($resurl ne '') && (&is_on_map($resurl))) {
3418: if ($resurl =~ m{^/adm/$match_domain/$match_username/\d+/smppg|bulletinboard$}) {
3419: $incourse = 1;
3420: if ($env{'form.forceedit'}) {
3421: $forceview = 1;
3422: } else {
3423: $forceedit = 1;
3424: }
3425: $cfile = $resurl;
3426: } elsif ($resurl eq '/res/lib/templates/simpleproblem.problem') {
3427: $incourse = 1;
3428: $cfile = $resurl.'/smpedit';
3429: } elsif ($resurl =~ m{^/adm/wrapper/ext/}) {
3430: $incourse = 1;
3431: if ($env{'form.forceedit'}) {
3432: $forceview = 1;
3433: } else {
3434: $forceedit = 1;
3435: }
3436: $cfile = $resurl;
1.1172.2.118. .5(raebu 3437:20): } elsif (($resurl =~ m{^/ext/}) && ($symb ne '')) {
3438:20): my ($map,$id,$res) = &decode_symb($symb);
3439:20): if ($map =~ /\.page$/) {
3440:20): $incourse = 1;
3441:20): if ($env{'form.forceedit'}) {
3442:20): $forceview = 1;
3443:20): $cfile = $map;
3444:20): } else {
3445:20): $forceedit = 1;
3446:20): $cfile = '/adm/wrapper'.$resurl;
3447:20): }
3448:20): }
.1(raebu 3449:20): } elsif ($resurl =~ m{^/adm/wrapper/adm/$cdom/$cnum/\d+/ext\.tool$}) {
3450:20): $incourse = 1;
3451:20): if ($env{'form.forceedit'}) {
3452:20): $forceview = 1;
3453:20): } else {
3454:20): $forceedit = 1;
3455:20): }
3456:20): $cfile = $resurl;
1.1172.2.15 raeburn 3457: } elsif ($resurl =~ m{^/?adm/viewclasslist$}) {
3458: $incourse = 1;
3459: if ($env{'form.forceedit'}) {
3460: $forceview = 1;
3461: } else {
3462: $forceedit = 1;
3463: }
3464: $cfile = ($resurl =~ m{^/} ? $resurl : "/$resurl");
1.1172.2.13 raeburn 3465: }
3466: } elsif ($resurl eq '/res/lib/templates/simpleproblem.problem/smpedit') {
3467: my $template = '/res/lib/templates/simpleproblem.problem';
3468: if (&is_on_map($template)) {
3469: $incourse = 1;
3470: $forceview = 1;
3471: $cfile = $template;
3472: }
3473: } elsif (($resurl =~ m{^/adm/wrapper/ext/}) && ($env{'form.folderpath'} =~ /^supplemental/)) {
1.1172.2.118 raeburn 3474: $incourse = 1;
3475: if ($env{'form.forceedit'}) {
3476: $forceview = 1;
3477: } else {
3478: $forceedit = 1;
3479: }
3480: $cfile = $resurl;
1.1172.2.118. .1(raebu 3481:20): } elsif (($resurl =~ m{^/adm/wrapper/adm/$cdom/$cnum/\d+/ext\.tool$}) && ($env{'form.folderpath'} =~ /^supplemental/)) {
3482:20): $incourse = 1;
3483:20): if ($env{'form.forceedit'}) {
3484:20): $forceview = 1;
3485:20): } else {
3486:20): $forceedit = 1;
3487:20): }
3488:20): $cfile = $resurl;
1.1172.2.13 raeburn 3489: } elsif (($resurl eq '/adm/extresedit') && ($symb || $env{'form.folderpath'})) {
3490: $incourse = 1;
3491: $forceview = 1;
3492: if ($symb) {
3493: my ($map,$id,$res)=&decode_symb($symb);
3494: $env{'request.symb'} = $symb;
3495: $cfile = &clutter($res);
3496: } else {
3497: $cfile = $env{'form.suppurl'};
1.1172.2.118. .1(raebu 3498:20): my $escfile = &unescape($cfile);
3499:20): if ($escfile =~ m{^/adm/$cdom/$cnum/\d+/ext\.tool$}) {
3500:20): $cfile = '/adm/wrapper'.$escfile;
3501:20): } else {
3502:20): $escfile =~ s{^http://}{};
3503:20): $cfile = &escape("/adm/wrapper/ext/$escfile");
3504:20): }
1.1172.2.13 raeburn 3505: }
1.1172.2.31 raeburn 3506: } elsif ($resurl =~ m{^/?adm/viewclasslist$}) {
3507: if ($env{'form.forceedit'}) {
3508: $forceview = 1;
3509: } else {
3510: $forceedit = 1;
3511: }
3512: $cfile = ($resurl =~ m{^/} ? $resurl : "/$resurl");
1.1172.2.13 raeburn 3513: }
3514: }
3515: if ($uploaded || $incourse) {
3516: $home=&homeserver($cnum,$cdom);
1.1172.2.14 raeburn 3517: } elsif ($file !~ m{/$}) {
1.1172.2.13 raeburn 3518: $file=~s{^(priv/$match_domain/$match_username)}{/$1};
3519: $file=~s{^($match_domain/$match_username)}{/priv/$1};
3520: # Check that the user has permission to edit this resource
3521: my $setpriv = 1;
3522: my ($cfuname,$cfudom)=&constructaccess($file,$setpriv);
3523: if (defined($cfudom)) {
3524: $home=&homeserver($cfuname,$cfudom);
3525: $cfile=$file;
3526: }
3527: }
3528: if (($cfile ne '') && (!$incourse || $uploaded) &&
3529: (($home ne '') && ($home ne 'no_host'))) {
3530: my @ids=¤t_machine_ids();
3531: unless (grep(/^\Q$home\E$/,@ids)) {
3532: $switchserver=1;
3533: }
3534: }
3535: }
3536: return ($cfile,$home,$switchserver,$forceedit,$forceview);
3537: }
3538:
3539: sub is_course_upload {
3540: my ($file,$cnum,$cdom) = @_;
3541: my $uploadpath = &LONCAPA::propath($cdom,$cnum);
3542: $uploadpath =~ s{^\/}{};
3543: if (($file =~ m{^\Q$uploadpath\E/userfiles/(docs|supplemental)/}) ||
3544: ($file =~ m{^userfiles/\Q$cdom\E/\Q$cnum\E/(docs|supplemental)/})) {
3545: return 1;
3546: }
3547: return;
3548: }
3549:
3550: sub in_course {
3551: my ($udom,$uname,$cdom,$cnum,$type,$hideprivileged) = @_;
3552: if ($hideprivileged) {
3553: my $skipuser;
1.1172.2.23 raeburn 3554: my %coursehash = &coursedescription($cdom.'_'.$cnum);
3555: my @possdoms = ($cdom);
3556: if ($coursehash{'checkforpriv'}) {
3557: push(@possdoms,split(/,/,$coursehash{'checkforpriv'}));
3558: }
3559: if (&privileged($uname,$udom,\@possdoms)) {
1.1172.2.13 raeburn 3560: $skipuser = 1;
3561: if ($coursehash{'nothideprivileged'}) {
3562: foreach my $item (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
3563: my $user;
3564: if ($item =~ /:/) {
3565: $user = $item;
3566: } else {
3567: $user = join(':',split(/[\@]/,$item));
3568: }
3569: if ($user eq $uname.':'.$udom) {
3570: undef($skipuser);
3571: last;
3572: }
3573: }
3574: }
3575: if ($skipuser) {
3576: return 0;
3577: }
3578: }
3579: }
3580: $type ||= 'any';
3581: if (!defined($cdom) || !defined($cnum)) {
3582: my $cid = $env{'request.course.id'};
3583: $cdom = $env{'course.'.$cid.'.domain'};
3584: $cnum = $env{'course.'.$cid.'.num'};
3585: }
3586: my $typesref;
3587: if (($type eq 'any') || ($type eq 'all')) {
3588: $typesref = ['active','previous','future'];
3589: } elsif ($type eq 'previous' || $type eq 'future') {
3590: $typesref = [$type];
3591: }
3592: my %roles = &get_my_roles($uname,$udom,'userroles',
3593: $typesref,undef,[$cdom]);
3594: my ($tmp) = keys(%roles);
3595: return 0 if ($tmp =~ /^(con_lost|error|no_such_host)/i);
3596: my @course_roles = grep(/^\Q$cnum\E:\Q$cdom\E:/, keys(%roles));
3597: if (@course_roles > 0) {
3598: return 1;
3599: }
3600: return 0;
3601: }
3602:
1.478 albertel 3603: # --------- File operations in /home/httpd/html/userfiles/$domain/1/2/3/$course
1.638 albertel 3604: # input: action, courseID, current domain, intended
1.637 raeburn 3605: # path to file, source of file, instruction to parse file for objects,
3606: # ref to hash for embedded objects,
3607: # ref to hash for codebase of java objects.
1.1095 raeburn 3608: # reference to scalar to accommodate mime type determined
3609: # from File::MMagic if $parser = parse.
1.637 raeburn 3610: #
1.485 raeburn 3611: # output: url to file (if action was uploaddoc),
3612: # ok if successful, or diagnostic message otherwise (if action was propagate or copy)
1.477 raeburn 3613: #
1.478 albertel 3614: # Allows directory structure to be used within lonUsers/../userfiles/ for a
3615: # course.
1.477 raeburn 3616: #
1.478 albertel 3617: # action = propagate - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file
3618: # will be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles in
3619: # course's home server.
1.477 raeburn 3620: #
1.478 albertel 3621: # action = copy - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file will
3622: # be copied from $source (current location) to
3623: # /home/httpd/html/userfiles/$domain/1/2/3/$course/$file
3624: # and will then be copied to
3625: # /home/httpd/lonUsers/$domain/1/2/3/$course/userfiles/$file in
3626: # course's home server.
1.485 raeburn 3627: #
1.481 raeburn 3628: # action = uploaddoc - /home/httpd/html/userfiles/$domain/1/2/3/$course/$file
1.620 albertel 3629: # will be retrived from $env{form.uploaddoc} (from DOCS interface) to
1.481 raeburn 3630: # /home/httpd/html/userfiles/$domain/1/2/3/$course/$file
3631: # and will then be copied to /home/httpd/lonUsers/1/2/3/$course/userfiles/$file
3632: # in course's home server.
1.637 raeburn 3633: #
1.477 raeburn 3634:
3635: sub process_coursefile {
1.1095 raeburn 3636: my ($action,$docuname,$docudom,$file,$source,$parser,$allfiles,$codebase,
3637: $mimetype)=@_;
1.477 raeburn 3638: my $fetchresult;
1.638 albertel 3639: my $home=&homeserver($docuname,$docudom);
1.477 raeburn 3640: if ($action eq 'propagate') {
1.638 albertel 3641: $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file,
3642: $home);
1.481 raeburn 3643: } else {
1.477 raeburn 3644: my $fpath = '';
3645: my $fname = $file;
1.478 albertel 3646: ($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|);
1.477 raeburn 3647: $fpath=$docudom.'/'.$docuname.'/'.$fpath;
1.637 raeburn 3648: my $filepath = &build_filepath($fpath);
1.481 raeburn 3649: if ($action eq 'copy') {
3650: if ($source eq '') {
3651: $fetchresult = 'no source file';
3652: return $fetchresult;
3653: } else {
3654: my $destination = $filepath.'/'.$fname;
3655: rename($source,$destination);
3656: $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file,
1.638 albertel 3657: $home);
1.481 raeburn 3658: }
3659: } elsif ($action eq 'uploaddoc') {
1.1172.2.96 raeburn 3660: open(my $fh,'>',$filepath.'/'.$fname);
1.620 albertel 3661: print $fh $env{'form.'.$source};
1.481 raeburn 3662: close($fh);
1.637 raeburn 3663: if ($parser eq 'parse') {
1.1024 raeburn 3664: my $mm = new File::MMagic;
1.1095 raeburn 3665: my $type = $mm->checktype_filename($filepath.'/'.$fname);
3666: if ($type eq 'text/html') {
1.1024 raeburn 3667: my $parse_result = &extract_embedded_items($filepath.'/'.$fname,$allfiles,$codebase);
3668: unless ($parse_result eq 'ok') {
3669: &logthis('Failed to parse '.$filepath.'/'.$fname.' for embedded media: '.$parse_result);
3670: }
1.637 raeburn 3671: }
1.1095 raeburn 3672: if (ref($mimetype)) {
3673: $$mimetype = $type;
3674: }
1.637 raeburn 3675: }
1.477 raeburn 3676: $fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file,
1.638 albertel 3677: $home);
1.481 raeburn 3678: if ($fetchresult eq 'ok') {
3679: return '/uploaded/'.$fpath.'/'.$fname;
3680: } else {
3681: &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file.
1.638 albertel 3682: ' to host '.$home.': '.$fetchresult);
1.481 raeburn 3683: return '/adm/notfound.html';
3684: }
1.477 raeburn 3685: }
3686: }
1.485 raeburn 3687: unless ( $fetchresult eq 'ok') {
1.477 raeburn 3688: &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file.
1.638 albertel 3689: ' to host '.$home.': '.$fetchresult);
1.477 raeburn 3690: }
3691: return $fetchresult;
3692: }
3693:
1.637 raeburn 3694: sub build_filepath {
3695: my ($fpath) = @_;
3696: my $filepath=$perlvar{'lonDocRoot'}.'/userfiles';
3697: unless ($fpath eq '') {
3698: my @parts=split('/',$fpath);
3699: foreach my $part (@parts) {
3700: $filepath.= '/'.$part;
3701: if ((-e $filepath)!=1) {
3702: mkdir($filepath,0777);
3703: }
3704: }
3705: }
3706: return $filepath;
3707: }
3708:
3709: sub store_edited_file {
1.638 albertel 3710: my ($primary_url,$content,$docudom,$docuname,$fetchresult) = @_;
1.637 raeburn 3711: my $file = $primary_url;
3712: $file =~ s#^/uploaded/$docudom/$docuname/##;
3713: my $fpath = '';
3714: my $fname = $file;
3715: ($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|);
3716: $fpath=$docudom.'/'.$docuname.'/'.$fpath;
3717: my $filepath = &build_filepath($fpath);
1.1172.2.96 raeburn 3718: open(my $fh,'>',$filepath.'/'.$fname);
1.637 raeburn 3719: print $fh $content;
3720: close($fh);
1.638 albertel 3721: my $home=&homeserver($docuname,$docudom);
1.637 raeburn 3722: $$fetchresult= &reply('fetchuserfile:'.$docudom.'/'.$docuname.'/'.$file,
1.638 albertel 3723: $home);
1.637 raeburn 3724: if ($$fetchresult eq 'ok') {
3725: return '/uploaded/'.$fpath.'/'.$fname;
3726: } else {
1.638 albertel 3727: &logthis('Failed to transfer '.$docudom.'/'.$docuname.'/'.$file.
3728: ' to host '.$home.': '.$$fetchresult);
1.637 raeburn 3729: return '/adm/notfound.html';
3730: }
3731: }
3732:
1.531 albertel 3733: sub clean_filename {
1.831 albertel 3734: my ($fname,$args)=@_;
1.315 www 3735: # Replace Windows backslashes by forward slashes
1.257 www 3736: $fname=~s/\\/\//g;
1.831 albertel 3737: if (!$args->{'keep_path'}) {
3738: # Get rid of everything but the actual filename
3739: $fname=~s/^.*\/([^\/]+)$/$1/;
3740: }
1.315 www 3741: # Replace spaces by underscores
3742: $fname=~s/\s+/\_/g;
1.1172.2.110 raeburn 3743: # Transliterate non-ascii text to ascii
3744: my $lang = &Apache::lonlocal::current_language();
3745: $fname = &LONCAPA::transliterate::fname_to_ascii($fname,$lang);
1.315 www 3746: # Replace all other weird characters by nothing
1.831 albertel 3747: $fname=~s{[^/\w\.\-]}{}g;
1.540 albertel 3748: # Replace all .\d. sequences with _\d. so they no longer look like version
3749: # numbers
3750: $fname=~s/\.(\d+)(?=\.)/_$1/g;
1.531 albertel 3751: return $fname;
3752: }
1.1172.2.110 raeburn 3753:
1.1051 raeburn 3754: # This Function checks if an Image's dimensions exceed either $resizewidth (width)
3755: # or $resizeheight (height) - both pixels. If so, the image is scaled to produce an
3756: # image with the same aspect ratio as the original, but with dimensions which do
3757: # not exceed $resizewidth and $resizeheight.
3758:
1.984 neumanie 3759: sub resizeImage {
1.1051 raeburn 3760: my ($img_path,$resizewidth,$resizeheight) = @_;
3761: my $ima = Image::Magick->new;
3762: my $resized;
3763: if (-e $img_path) {
3764: $ima->Read($img_path);
3765: if (($resizewidth =~ /^\d+$/) && ($resizeheight > 0)) {
3766: my $width = $ima->Get('width');
3767: my $height = $ima->Get('height');
3768: if ($width > $resizewidth) {
3769: my $factor = $width/$resizewidth;
3770: my $newheight = $height/$factor;
3771: $ima->Scale(width=>$resizewidth,height=>$newheight);
3772: $resized = 1;
3773: }
3774: }
3775: if (($resizeheight =~ /^\d+$/) && ($resizeheight > 0)) {
3776: my $width = $ima->Get('width');
3777: my $height = $ima->Get('height');
3778: if ($height > $resizeheight) {
3779: my $factor = $height/$resizeheight;
3780: my $newwidth = $width/$factor;
3781: $ima->Scale(width=>$newwidth,height=>$resizeheight);
3782: $resized = 1;
3783: }
3784: }
3785: if ($resized) {
3786: $ima->Write($img_path);
3787: }
3788: }
3789: return;
1.977 amueller 3790: }
3791:
1.608 albertel 3792: # --------------- Take an uploaded file and put it into the userfiles directory
1.686 albertel 3793: # input: $formname - the contents of the file are in $env{"form.$formname"}
1.1093 raeburn 3794: # the desired filename is in $env{"form.$formname.filename"}
1.1090 raeburn 3795: # $context - possible values: coursedoc, existingfile, overwrite,
1.1172.2.109 raeburn 3796: # canceloverwrite, scantron or ''.
1.1090 raeburn 3797: # if 'coursedoc': upload to the current course
3798: # if 'existingfile': write file to tmp/overwrites directory
3799: # if 'canceloverwrite': delete file written to tmp/overwrites directory
3800: # $context is passed as argument to &finishuserfileupload
1.686 albertel 3801: # $subdir - directory in userfile to store the file into
1.1172.2.109 raeburn 3802: # $parser - instruction to parse file for objects ($parser = parse) or
3803: # if context is 'scantron', $parser is hashref of csv column mapping
3804: # (e.g.,{ PaperID => 0, LastName => 1, FirstName => 2, ID => 3,
3805: # Section => 4, CODE => 5, FirstQuestion => 9 }).
1.858 raeburn 3806: # $allfiles - reference to hash for embedded objects
3807: # $codebase - reference to hash for codebase of java objects
3808: # $desuname - username for permanent storage of uploaded file
3809: # $dsetudom - domain for permanaent storage of uploaded file
1.860 raeburn 3810: # $thumbwidth - width (pixels) of thumbnail to make for uploaded image
3811: # $thumbheight - height (pixels) of thumbnail to make for uploaded image
1.1051 raeburn 3812: # $resizewidth - width (pixels) to which to resize uploaded image
3813: # $resizeheight - height (pixels) to which to resize uploaded image
1.1095 raeburn 3814: # $mimetype - reference to scalar to accommodate mime type determined
1.1152 raeburn 3815: # from File::MMagic.
1.858 raeburn 3816: #
1.686 albertel 3817: # output: url of file in userspace, or error: <message>
3818: # or /adm/notfound.html if failure to upload occurse
1.608 albertel 3819:
1.531 albertel 3820: sub userfileupload {
1.1090 raeburn 3821: my ($formname,$context,$subdir,$parser,$allfiles,$codebase,$destuname,
1.1095 raeburn 3822: $destudom,$thumbwidth,$thumbheight,$resizewidth,$resizeheight,$mimetype)=@_;
1.531 albertel 3823: if (!defined($subdir)) { $subdir='unknown'; }
1.620 albertel 3824: my $fname=$env{'form.'.$formname.'.filename'};
1.531 albertel 3825: $fname=&clean_filename($fname);
1.1090 raeburn 3826: # See if there is anything left
1.257 www 3827: unless ($fname) { return 'error: no uploaded file'; }
1.1172.2.110 raeburn 3828: # If filename now begins with a . prepend unix timestamp _ milliseconds
3829: if ($fname =~ /^\./) {
3830: my ($s,$usec) = &gettimeofday();
3831: while (length($usec) < 6) {
3832: $usec = '0'.$usec;
3833: }
3834: $fname = $s.'_'.substr($usec,0,3).$fname;
3835: }
1.1090 raeburn 3836: # Files uploaded to help request form, or uploaded to "create course" page are handled differently
3837: if ((($formname eq 'screenshot') && ($subdir eq 'helprequests')) ||
3838: (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) ||
3839: ($context eq 'existingfile') || ($context eq 'canceloverwrite')) {
1.523 raeburn 3840: my $now = time;
1.1090 raeburn 3841: my $filepath;
1.1095 raeburn 3842: if (($formname eq 'screenshot') && ($subdir eq 'helprequests')) {
1.1090 raeburn 3843: $filepath = 'tmp/helprequests/'.$now;
3844: } elsif (($formname eq 'coursecreatorxml') && ($subdir eq 'batchupload')) {
3845: $filepath = 'tmp/addcourse/'.$destudom.'/web/'.$env{'user.name'}.
3846: '_'.$env{'user.domain'}.'/pending';
3847: } elsif (($context eq 'existingfile') || ($context eq 'canceloverwrite')) {
3848: my ($docuname,$docudom);
1.1172.2.96 raeburn 3849: if ($destudom =~ /^$match_domain$/) {
1.1090 raeburn 3850: $docudom = $destudom;
3851: } else {
3852: $docudom = $env{'user.domain'};
3853: }
1.1172.2.96 raeburn 3854: if ($destuname =~ /^$match_username$/) {
1.1090 raeburn 3855: $docuname = $destuname;
3856: } else {
3857: $docuname = $env{'user.name'};
3858: }
3859: if (exists($env{'form.group'})) {
3860: $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
3861: $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
3862: }
3863: $filepath = 'tmp/overwrites/'.$docudom.'/'.$docuname.'/'.$subdir;
3864: if ($context eq 'canceloverwrite') {
3865: my $tempfile = $perlvar{'lonDaemons'}.'/'.$filepath.'/'.$fname;
3866: if (-e $tempfile) {
3867: my @info = stat($tempfile);
3868: if ($info[9] eq $env{'form.timestamp'}) {
3869: unlink($tempfile);
3870: }
3871: }
3872: return;
1.523 raeburn 3873: }
3874: }
1.1090 raeburn 3875: # Create the directory if not present
1.741 raeburn 3876: my @parts=split(/\//,$filepath);
3877: my $fullpath = $perlvar{'lonDaemons'};
3878: for (my $i=0;$i<@parts;$i++) {
3879: $fullpath .= '/'.$parts[$i];
3880: if ((-e $fullpath)!=1) {
3881: mkdir($fullpath,0777);
3882: }
3883: }
1.1172.2.96 raeburn 3884: open(my $fh,'>',$fullpath.'/'.$fname);
1.741 raeburn 3885: print $fh $env{'form.'.$formname};
3886: close($fh);
1.1090 raeburn 3887: if ($context eq 'existingfile') {
3888: my @info = stat($fullpath.'/'.$fname);
3889: return ($fullpath.'/'.$fname,$info[9]);
3890: } else {
3891: return $fullpath.'/'.$fname;
3892: }
1.523 raeburn 3893: }
1.995 raeburn 3894: if ($subdir eq 'scantron') {
3895: $fname = 'scantron_orig_'.$fname;
1.1093 raeburn 3896: } else {
1.995 raeburn 3897: $fname="$subdir/$fname";
3898: }
1.1090 raeburn 3899: if ($context eq 'coursedoc') {
1.638 albertel 3900: my $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
3901: my $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.646 raeburn 3902: if ($env{'form.folder'} =~ m/^(default|supplemental)/) {
1.638 albertel 3903: return &finishuserfileupload($docuname,$docudom,
3904: $formname,$fname,$parser,$allfiles,
1.1051 raeburn 3905: $codebase,$thumbwidth,$thumbheight,
1.1095 raeburn 3906: $resizewidth,$resizeheight,$context,$mimetype);
1.481 raeburn 3907: } else {
1.1172.2.21 raeburn 3908: if ($env{'form.folder'}) {
3909: $fname=$env{'form.folder'}.'/'.$fname;
3910: }
1.638 albertel 3911: return &process_coursefile('uploaddoc',$docuname,$docudom,
3912: $fname,$formname,$parser,
1.1095 raeburn 3913: $allfiles,$codebase,$mimetype);
1.481 raeburn 3914: }
1.719 banghart 3915: } elsif (defined($destuname)) {
3916: my $docuname=$destuname;
3917: my $docudom=$destudom;
1.860 raeburn 3918: return &finishuserfileupload($docuname,$docudom,$formname,$fname,
3919: $parser,$allfiles,$codebase,
1.1051 raeburn 3920: $thumbwidth,$thumbheight,
1.1095 raeburn 3921: $resizewidth,$resizeheight,$context,$mimetype);
1.259 www 3922: } else {
1.638 albertel 3923: my $docuname=$env{'user.name'};
3924: my $docudom=$env{'user.domain'};
1.1172.2.23 raeburn 3925: if ((exists($env{'form.group'})) || ($context eq 'syllabus')) {
1.714 raeburn 3926: $docuname=$env{'course.'.$env{'request.course.id'}.'.num'};
3927: $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'};
3928: }
1.860 raeburn 3929: return &finishuserfileupload($docuname,$docudom,$formname,$fname,
3930: $parser,$allfiles,$codebase,
1.1051 raeburn 3931: $thumbwidth,$thumbheight,
1.1095 raeburn 3932: $resizewidth,$resizeheight,$context,$mimetype);
1.259 www 3933: }
1.271 www 3934: }
3935:
3936: sub finishuserfileupload {
1.860 raeburn 3937: my ($docuname,$docudom,$formname,$fname,$parser,$allfiles,$codebase,
1.1095 raeburn 3938: $thumbwidth,$thumbheight,$resizewidth,$resizeheight,$context,$mimetype) = @_;
1.477 raeburn 3939: my $path=$docudom.'/'.$docuname.'/';
1.258 www 3940: my $filepath=$perlvar{'lonDocRoot'};
1.984 neumanie 3941:
1.860 raeburn 3942: my ($fnamepath,$file,$fetchthumb);
1.494 albertel 3943: $file=$fname;
3944: if ($fname=~m|/|) {
3945: ($fnamepath,$file) = ($fname =~ m|^(.*)/([^/]+)$|);
3946: $path.=$fnamepath.'/';
3947: }
1.259 www 3948: my @parts=split(/\//,$filepath.'/userfiles/'.$path);
1.258 www 3949: my $count;
3950: for ($count=4;$count<=$#parts;$count++) {
3951: $filepath.="/$parts[$count]";
3952: if ((-e $filepath)!=1) {
3953: mkdir($filepath,0777);
3954: }
3955: }
1.984 neumanie 3956:
1.258 www 3957: # Save the file
3958: {
1.1172.2.96 raeburn 3959: if (!open(FH,'>',$filepath.'/'.$file)) {
1.701 albertel 3960: &logthis('Failed to create '.$filepath.'/'.$file);
3961: print STDERR ('Failed to create '.$filepath.'/'.$file."\n");
3962: return '/adm/notfound.html';
3963: }
1.1090 raeburn 3964: if ($context eq 'overwrite') {
1.1117 foxr 3965: my $source = LONCAPA::tempdir().'/overwrites/'.$docudom.'/'.$docuname.'/'.$fname;
1.1090 raeburn 3966: my $target = $filepath.'/'.$file;
3967: if (-e $source) {
3968: my @info = stat($source);
3969: if ($info[9] eq $env{'form.timestamp'}) {
3970: unless (&File::Copy::move($source,$target)) {
3971: &logthis('Failed to overwrite '.$filepath.'/'.$file);
3972: return "Moving from $source failed";
3973: }
3974: } else {
3975: return "Temporary file: $source had unexpected date/time for last modification";
3976: }
3977: } else {
3978: return "Temporary file: $source missing";
3979: }
3980: } elsif (!print FH ($env{'form.'.$formname})) {
1.701 albertel 3981: &logthis('Failed to write to '.$filepath.'/'.$file);
3982: print STDERR ('Failed to write to '.$filepath.'/'.$file."\n");
3983: return '/adm/notfound.html';
3984: }
1.570 albertel 3985: close(FH);
1.1051 raeburn 3986: if ($resizewidth && $resizeheight) {
3987: my $mm = new File::MMagic;
3988: my $mime_type = $mm->checktype_filename($filepath.'/'.$file);
3989: if ($mime_type =~ m{^image/}) {
3990: &resizeImage($filepath.'/'.$file,$resizewidth,$resizeheight);
3991: }
1.977 amueller 3992: }
1.258 www 3993: }
1.1152 raeburn 3994: if (($context eq 'coursedoc') || ($parser eq 'parse')) {
3995: if (ref($mimetype)) {
3996: if ($$mimetype eq '') {
3997: my $mm = new File::MMagic;
3998: my $type = $mm->checktype_filename($filepath.'/'.$file);
3999: $$mimetype = $type;
4000: }
4001: }
4002: }
1.1172.2.109 raeburn 4003: if (($context ne 'scantron') && ($parser eq 'parse')) {
1.1152 raeburn 4004: if ((ref($mimetype)) && ($$mimetype eq 'text/html')) {
1.1024 raeburn 4005: my $parse_result = &extract_embedded_items($filepath.'/'.$file,
4006: $allfiles,$codebase);
4007: unless ($parse_result eq 'ok') {
4008: &logthis('Failed to parse '.$filepath.$file.
4009: ' for embedded media: '.$parse_result);
4010: }
1.637 raeburn 4011: }
1.1172.2.109 raeburn 4012: } elsif (($context eq 'scantron') && (ref($parser) eq 'HASH')) {
4013: my $format = $env{'form.scantron_format'};
4014: &bubblesheet_converter($docudom,$filepath.'/'.$file,$parser,$format);
1.637 raeburn 4015: }
1.860 raeburn 4016: if (($thumbwidth =~ /^\d+$/) && ($thumbheight =~ /^\d+$/)) {
4017: my $input = $filepath.'/'.$file;
4018: my $output = $filepath.'/'.'tn-'.$file;
4019: my $thumbsize = $thumbwidth.'x'.$thumbheight;
1.1172.2.96 raeburn 4020: my @args = ('convert','-sample',$thumbsize,$input,$output);
4021: system({$args[0]} @args);
1.860 raeburn 4022: if (-e $filepath.'/'.'tn-'.$file) {
4023: $fetchthumb = 1;
4024: }
4025: }
1.858 raeburn 4026:
1.259 www 4027: # Notify homeserver to grep it
4028: #
1.984 neumanie 4029: my $docuhome=&homeserver($docuname,$docudom);
1.494 albertel 4030: my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome);
1.295 www 4031: if ($fetchresult eq 'ok') {
1.860 raeburn 4032: if ($fetchthumb) {
4033: my $thumbresult= &reply('fetchuserfile:'.$path.'tn-'.$file,$docuhome);
4034: if ($thumbresult ne 'ok') {
4035: &logthis('Failed to transfer '.$path.'tn-'.$file.' to host '.
4036: $docuhome.': '.$thumbresult);
4037: }
4038: }
1.259 www 4039: #
1.258 www 4040: # Return the URL to it
1.494 albertel 4041: return '/uploaded/'.$path.$file;
1.263 www 4042: } else {
1.494 albertel 4043: &logthis('Failed to transfer '.$path.$file.' to host '.$docuhome.
4044: ': '.$fetchresult);
1.263 www 4045: return '/adm/notfound.html';
1.858 raeburn 4046: }
1.493 albertel 4047: }
4048:
1.637 raeburn 4049: sub extract_embedded_items {
1.961 raeburn 4050: my ($fullpath,$allfiles,$codebase,$content) = @_;
1.637 raeburn 4051: my @state = ();
1.1164 raeburn 4052: my (%lastids,%related,%shockwave,%flashvars);
1.637 raeburn 4053: my %javafiles = (
4054: codebase => '',
4055: code => '',
4056: archive => ''
4057: );
4058: my %mediafiles = (
4059: src => '',
4060: movie => '',
4061: );
1.648 raeburn 4062: my $p;
4063: if ($content) {
4064: $p = HTML::LCParser->new($content);
4065: } else {
1.961 raeburn 4066: $p = HTML::LCParser->new($fullpath);
1.648 raeburn 4067: }
1.641 albertel 4068: while (my $t=$p->get_token()) {
1.640 albertel 4069: if ($t->[0] eq 'S') {
4070: my ($tagname, $attr) = ($t->[1],$t->[2]);
1.886 albertel 4071: push(@state, $tagname);
1.648 raeburn 4072: if (lc($tagname) eq 'allow') {
4073: &add_filetype($allfiles,$attr->{'src'},'src');
4074: }
1.640 albertel 4075: if (lc($tagname) eq 'img') {
4076: &add_filetype($allfiles,$attr->{'src'},'src');
4077: }
1.886 albertel 4078: if (lc($tagname) eq 'a') {
1.1172.2.24 raeburn 4079: unless (($attr->{'href'} =~ /^#/) || ($attr->{'href'} eq '')) {
4080: &add_filetype($allfiles,$attr->{'href'},'href');
4081: }
1.886 albertel 4082: }
1.645 raeburn 4083: if (lc($tagname) eq 'script') {
1.1164 raeburn 4084: my $src;
1.645 raeburn 4085: if ($attr->{'archive'} =~ /\.jar$/i) {
4086: &add_filetype($allfiles,$attr->{'archive'},'archive');
4087: } else {
1.1164 raeburn 4088: if ($attr->{'src'} ne '') {
4089: $src = $attr->{'src'};
4090: &add_filetype($allfiles,$src,'src');
4091: }
4092: }
4093: my $text = $p->get_trimmed_text();
4094: if ($text =~ /\Qswfobject.registerObject(\E([^\)]+)\)/) {
4095: my @swfargs = split(/,/,$1);
4096: foreach my $item (@swfargs) {
4097: $item =~ s/["']//g;
4098: $item =~ s/^\s+//;
4099: $item =~ s/\s+$//;
4100: }
4101: if (($swfargs[0] ne'') && ($swfargs[2] ne '')) {
4102: if (ref($related{$swfargs[0]}) eq 'ARRAY') {
4103: push(@{$related{$swfargs[0]}},$swfargs[2]);
4104: } else {
4105: $related{$swfargs[0]} = [$swfargs[2]];
4106: }
4107: }
1.645 raeburn 4108: }
4109: }
4110: if (lc($tagname) eq 'link') {
4111: if (lc($attr->{'rel'}) eq 'stylesheet') {
4112: &add_filetype($allfiles,$attr->{'href'},'href');
4113: }
4114: }
1.640 albertel 4115: if (lc($tagname) eq 'object' ||
4116: (lc($tagname) eq 'embed' && lc($state[-2]) ne 'object')) {
4117: foreach my $item (keys(%javafiles)) {
4118: $javafiles{$item} = '';
4119: }
1.1164 raeburn 4120: if ((lc($tagname) eq 'object') && (lc($state[-2]) ne 'object')) {
4121: $lastids{lc($tagname)} = $attr->{'id'};
4122: }
1.640 albertel 4123: }
4124: if (lc($state[-2]) eq 'object' && lc($tagname) eq 'param') {
4125: my $name = lc($attr->{'name'});
4126: foreach my $item (keys(%javafiles)) {
4127: if ($name eq $item) {
4128: $javafiles{$item} = $attr->{'value'};
4129: last;
4130: }
4131: }
1.1164 raeburn 4132: my $pathfrom;
1.640 albertel 4133: foreach my $item (keys(%mediafiles)) {
4134: if ($name eq $item) {
1.1164 raeburn 4135: $pathfrom = $attr->{'value'};
4136: $shockwave{$lastids{lc($state[-2])}} = $pathfrom;
4137: &add_filetype($allfiles,$pathfrom,$name);
1.640 albertel 4138: last;
4139: }
4140: }
1.1164 raeburn 4141: if ($name eq 'flashvars') {
4142: $flashvars{$lastids{lc($state[-2])}} = $attr->{'value'};
4143: }
4144: if ($pathfrom ne '') {
4145: &embedded_dependency($allfiles,\%related,$lastids{lc($state[-2])},
4146: $pathfrom);
4147: }
1.640 albertel 4148: }
4149: if (lc($tagname) eq 'embed' || lc($tagname) eq 'applet') {
4150: foreach my $item (keys(%javafiles)) {
4151: if ($attr->{$item}) {
4152: $javafiles{$item} = $attr->{$item};
4153: last;
4154: }
4155: }
4156: foreach my $item (keys(%mediafiles)) {
4157: if ($attr->{$item}) {
4158: &add_filetype($allfiles,$attr->{$item},$item);
4159: last;
4160: }
4161: }
1.1164 raeburn 4162: if (lc($tagname) eq 'embed') {
4163: if (($attr->{'name'} ne '') && ($attr->{'src'} ne '')) {
4164: &embedded_dependency($allfiles,\%related,$attr->{'name'},
4165: $attr->{'src'});
4166: }
4167: }
1.640 albertel 4168: }
1.1172.2.35 raeburn 4169: if (lc($tagname) eq 'iframe') {
4170: my $src = $attr->{'src'} ;
4171: if (($src ne '') && ($src !~ m{^(/|https?://)})) {
4172: &add_filetype($allfiles,$src,'src');
4173: } elsif ($src =~ m{^/}) {
4174: if ($env{'request.course.id'}) {
4175: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
4176: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
4177: my $url = &hreflocation('',$fullpath);
4178: if ($url =~ m{^/uploaded/$cdom/$cnum/docs/(\w+/\d+)/}) {
4179: my $relpath = $1;
4180: if ($src =~ m{^/uploaded/$cdom/$cnum/docs/\Q$relpath\E/(.+)$}) {
4181: &add_filetype($allfiles,$1,'src');
4182: }
4183: }
4184: }
4185: }
4186: }
1.1164 raeburn 4187: if ($t->[4] =~ m{/>$}) {
1.1172.2.35 raeburn 4188: pop(@state);
1.1164 raeburn 4189: }
1.640 albertel 4190: } elsif ($t->[0] eq 'E') {
4191: my ($tagname) = ($t->[1]);
4192: if ($javafiles{'codebase'} ne '') {
4193: $javafiles{'codebase'} .= '/';
4194: }
4195: if (lc($tagname) eq 'applet' ||
4196: lc($tagname) eq 'object' ||
4197: (lc($tagname) eq 'embed' && lc($state[-2]) ne 'object')
4198: ) {
4199: foreach my $item (keys(%javafiles)) {
4200: if ($item ne 'codebase' && $javafiles{$item} ne '') {
4201: my $file=$javafiles{'codebase'}.$javafiles{$item};
4202: &add_filetype($allfiles,$file,$item);
4203: }
4204: }
4205: }
4206: pop @state;
4207: }
4208: }
1.1164 raeburn 4209: foreach my $id (sort(keys(%flashvars))) {
4210: if ($shockwave{$id} ne '') {
4211: my @pairs = split(/\&/,$flashvars{$id});
4212: foreach my $pair (@pairs) {
4213: my ($key,$value) = split(/\=/,$pair);
4214: if ($key eq 'thumb') {
4215: &add_filetype($allfiles,$value,$key);
4216: } elsif ($key eq 'content') {
4217: my ($path) = ($shockwave{$id} =~ m{^(.+/)[^/]+$});
4218: my ($ext) = ($value =~ /\.([^.]+)$/);
4219: if ($ext ne '') {
4220: &add_filetype($allfiles,$path.$value,$ext);
4221: }
4222: }
4223: }
4224: }
4225: }
1.637 raeburn 4226: return 'ok';
4227: }
4228:
1.639 albertel 4229: sub add_filetype {
4230: my ($allfiles,$file,$type)=@_;
4231: if (exists($allfiles->{$file})) {
4232: unless (grep/^\Q$type\E$/, @{$allfiles->{$file}}) {
4233: push(@{$allfiles->{$file}}, &escape($type));
4234: }
4235: } else {
4236: @{$allfiles->{$file}} = (&escape($type));
1.637 raeburn 4237: }
4238: }
4239:
1.1164 raeburn 4240: sub embedded_dependency {
4241: my ($allfiles,$related,$identifier,$pathfrom) = @_;
4242: if ((ref($allfiles) eq 'HASH') && (ref($related) eq 'HASH')) {
4243: if (($identifier ne '') &&
4244: (ref($related->{$identifier}) eq 'ARRAY') &&
4245: ($pathfrom ne '')) {
4246: my ($path) = ($pathfrom =~ m{^(.+/)[^/]+$});
4247: foreach my $dep (@{$related->{$identifier}}) {
4248: &add_filetype($allfiles,$path.$dep,'object');
4249: }
4250: }
4251: }
4252: return;
4253: }
4254:
1.1172.2.109 raeburn 4255: sub bubblesheet_converter {
4256: my ($cdom,$fullpath,$config,$format) = @_;
4257: if ((&domain($cdom) ne '') &&
4258: ($fullpath =~ m{^\Q$perlvar{'lonDocRoot'}/userfiles/$cdom/\E$match_courseid/scantron_orig}) &&
4259: (-e $fullpath) && (ref($config) eq 'HASH') && ($format ne '')) {
4260: my (%csvcols,%csvoptions);
4261: if (ref($config->{'fields'}) eq 'HASH') {
4262: %csvcols = %{$config->{'fields'}};
4263: }
4264: if (ref($config->{'options'}) eq 'HASH') {
4265: %csvoptions = %{$config->{'options'}};
4266: }
4267: my %csvbynum = reverse(%csvcols);
4268: my %scantronconf = &get_scantron_config($format,$cdom);
4269: if (keys(%scantronconf)) {
4270: my %bynum = (
4271: $scantronconf{CODEstart} => 'CODEstart',
4272: $scantronconf{IDstart} => 'IDstart',
4273: $scantronconf{PaperID} => 'PaperID',
4274: $scantronconf{FirstName} => 'FirstName',
4275: $scantronconf{LastName} => 'LastName',
4276: $scantronconf{Qstart} => 'Qstart',
4277: );
4278: my @ordered;
4279: foreach my $item (sort { $a <=> $b } keys(%bynum)) {
4280: push(@ordered,$bynum{$item});
4281: }
4282: my %mapstart = (
4283: CODEstart => 'CODE',
4284: IDstart => 'ID',
4285: PaperID => 'PaperID',
4286: FirstName => 'FirstName',
4287: LastName => 'LastName',
4288: Qstart => 'FirstQuestion',
4289: );
4290: my %maplength = (
4291: CODEstart => 'CODElength',
4292: IDstart => 'IDlength',
4293: PaperID => 'PaperIDlength',
4294: FirstName => 'FirstNamelength',
4295: LastName => 'LastNamelength',
4296: );
4297: if (open(my $fh,'<',$fullpath)) {
4298: my $output;
4299: my %lettdig = &letter_to_digits();
4300: my %diglett = reverse(%lettdig);
4301: my $numletts = scalar(keys(%lettdig));
4302: my $num = 0;
4303: while (my $line=<$fh>) {
4304: $num ++;
4305: next if (($num == 1) && ($csvoptions{'hdr'} == 1));
4306: $line =~ s{[\r\n]+$}{};
4307: my %found;
4308: my @values = split(/,/,$line);
4309: my ($qstart,$record);
4310: for (my $i=0; $i<@values; $i++) {
4311: if ((($qstart ne '') && ($i > $qstart)) ||
4312: ($csvbynum{$i} eq 'FirstQuestion')) {
4313: if ($values[$i] eq '') {
4314: $values[$i] = $scantronconf{'Qoff'};
4315: } elsif ($scantronconf{'Qon'} eq 'number') {
4316: if ($values[$i] =~ /^[A-Ja-j]$/) {
4317: $values[$i] = $lettdig{uc($values[$i])};
4318: }
4319: } elsif ($scantronconf{'Qon'} eq 'letter') {
4320: if ($values[$i] =~ /^[0-9]$/) {
4321: $values[$i] = $diglett{$values[$i]};
4322: }
4323: } else {
4324: if ($values[$i] =~ /^[0-9A-Ja-j]$/) {
4325: my $digit;
4326: if ($values[$i] =~ /^[A-Ja-j]$/) {
4327: $digit = $lettdig{uc($values[$i])}-1;
4328: if ($values[$i] eq 'J') {
4329: $digit += $numletts;
4330: }
4331: } elsif ($values[$i] =~ /^[0-9]$/) {
4332: $digit = $values[$i]-1;
4333: if ($values[$i] eq '0') {
4334: $digit += $numletts;
4335: }
4336: }
4337: my $qval='';
4338: for (my $j=0; $j<$scantronconf{'Qlength'}; $j++) {
4339: if ($j == $digit) {
4340: $qval .= $scantronconf{'Qon'};
4341: } else {
4342: $qval .= $scantronconf{'Qoff'};
4343: }
4344: }
4345: $values[$i] = $qval;
4346: }
4347: }
4348: if (length($values[$i]) > $scantronconf{'Qlength'}) {
4349: $values[$i] = substr($values[$i],0,$scantronconf{'Qlength'});
4350: }
4351: my $numblank = $scantronconf{'Qlength'} - length($values[$i]);
4352: if ($numblank > 0) {
4353: $values[$i] .= ($scantronconf{'Qoff'} x $numblank);
4354: }
4355: if ($csvbynum{$i} eq 'FirstQuestion') {
4356: $qstart = $i;
4357: $found{$csvbynum{$i}} = $values[$i];
4358: } else {
4359: $found{'FirstQuestion'} .= $values[$i];
4360: }
4361: } elsif (exists($csvbynum{$i})) {
4362: if ($csvoptions{'rem'}) {
4363: $values[$i] =~ s/^\s+//;
4364: }
4365: if (($csvbynum{$i} eq 'PaperID') && ($csvoptions{'pad'})) {
4366: while (length($values[$i]) < $scantronconf{$maplength{$csvbynum{$i}}}) {
4367: $values[$i] = '0'.$values[$i];
4368: }
4369: }
4370: $found{$csvbynum{$i}} = $values[$i];
4371: }
4372: }
4373: foreach my $item (@ordered) {
4374: my $currlength = 1+length($record);
4375: my $numspaces = $scantronconf{$item} - $currlength;
4376: if ($numspaces > 0) {
4377: $record .= (' ' x $numspaces);
4378: }
4379: if (($mapstart{$item} ne '') && (exists($found{$mapstart{$item}}))) {
4380: unless ($item eq 'Qstart') {
4381: if (length($found{$mapstart{$item}}) > $scantronconf{$maplength{$item}}) {
4382: $found{$mapstart{$item}} = substr($found{$mapstart{$item}},0,$scantronconf{$maplength{$item}});
4383: }
4384: }
4385: $record .= $found{$mapstart{$item}};
4386: }
4387: }
4388: $output .= "$record\n";
4389: }
4390: close($fh);
4391: if ($output) {
4392: if (open(my $fh,'>',$fullpath)) {
4393: print $fh $output;
4394: close($fh);
4395: }
4396: }
4397: }
4398: }
4399: return;
4400: }
4401: }
4402:
4403: sub letter_to_digits {
4404: my %lettdig = (
4405: A => 1,
4406: B => 2,
4407: C => 3,
4408: D => 4,
4409: E => 5,
4410: F => 6,
4411: G => 7,
4412: H => 8,
4413: I => 9,
4414: J => 0,
4415: );
4416: return %lettdig;
4417: }
4418:
4419: sub get_scantron_config {
4420: my ($which,$cdom) = @_;
4421: my @lines = &get_scantronformat_file($cdom);
4422: my %config;
4423: #FIXME probably should move to XML it has already gotten a bit much now
4424: foreach my $line (@lines) {
4425: my ($name,$descrip)=split(/:/,$line);
4426: if ($name ne $which ) { next; }
4427: chomp($line);
4428: my @config=split(/:/,$line);
4429: $config{'name'}=$config[0];
4430: $config{'description'}=$config[1];
4431: $config{'CODElocation'}=$config[2];
4432: $config{'CODEstart'}=$config[3];
4433: $config{'CODElength'}=$config[4];
4434: $config{'IDstart'}=$config[5];
4435: $config{'IDlength'}=$config[6];
4436: $config{'Qstart'}=$config[7];
4437: $config{'Qlength'}=$config[8];
4438: $config{'Qoff'}=$config[9];
4439: $config{'Qon'}=$config[10];
4440: $config{'PaperID'}=$config[11];
4441: $config{'PaperIDlength'}=$config[12];
4442: $config{'FirstName'}=$config[13];
4443: $config{'FirstNamelength'}=$config[14];
4444: $config{'LastName'}=$config[15];
4445: $config{'LastNamelength'}=$config[16];
4446: $config{'BubblesPerRow'}=$config[17];
4447: last;
4448: }
4449: return %config;
4450: }
4451:
4452: sub get_scantronformat_file {
4453: my ($cdom) = @_;
4454: if ($cdom eq '') {
4455: $cdom= $env{'course.'.$env{'request.course.id'}.'.domain'};
4456: }
4457: my %domconfig = &get_dom('configuration',['scantron'],$cdom);
4458: my $gottab = 0;
4459: my @lines;
4460: if (ref($domconfig{'scantron'}) eq 'HASH') {
4461: if ($domconfig{'scantron'}{'scantronformat'} ne '') {
4462: my $formatfile = &getfile($perlvar{'lonDocRoot'}.$domconfig{'scantron'}{'scantronformat'});
4463: if ($formatfile ne '-1') {
4464: @lines = split("\n",$formatfile,-1);
4465: $gottab = 1;
4466: }
4467: }
4468: }
4469: if (!$gottab) {
4470: my $confname = $cdom.'-domainconfig';
4471: my $default = $perlvar{'lonDocRoot'}.'/res/'.$cdom.'/'.$confname.'/default.tab';
4472: my $formatfile = &getfile($default);
4473: if ($formatfile ne '-1') {
4474: @lines = split("\n",$formatfile,-1);
4475: $gottab = 1;
4476: }
4477: }
4478: if (!$gottab) {
4479: my @domains = ¤t_machine_domains();
4480: if (grep(/^\Q$cdom\E$/,@domains)) {
4481: if (open(my $fh,'<',$perlvar{'lonTabDir'}.'/scantronformat.tab')) {
4482: @lines = <$fh>;
4483: close($fh);
4484: }
4485: } else {
4486: if (open(my $fh,'<',$perlvar{'lonTabDir'}.'/default_scantronformat.tab')) {
4487: @lines = <$fh>;
4488: close($fh);
4489: }
4490: }
4491: }
4492: return @lines;
4493: }
4494:
1.493 albertel 4495: sub removeuploadedurl {
1.984 neumanie 4496: my ($url)=@_;
4497: my (undef,undef,$udom,$uname,$fname)=split('/',$url,5);
1.613 albertel 4498: return &removeuserfile($uname,$udom,$fname);
1.490 albertel 4499: }
4500:
4501: sub removeuserfile {
4502: my ($docuname,$docudom,$fname)=@_;
1.984 neumanie 4503: my $home=&homeserver($docuname,$docudom);
1.798 raeburn 4504: my $result = &reply("removeuserfile:$docudom/$docuname/$fname",$home);
1.984 neumanie 4505: if ($result eq 'ok') {
1.798 raeburn 4506: if (($fname !~ /\.meta$/) && (&is_portfolio_file($fname))) {
4507: my $metafile = $fname.'.meta';
4508: my $metaresult = &removeuserfile($docuname,$docudom,$metafile);
1.823 albertel 4509: my $url = "/uploaded/$docudom/$docuname/$fname";
1.984 neumanie 4510: my ($file,$group) = (&parse_portfolio_url($url))[3,4];
1.821 raeburn 4511: my $sqlresult =
1.823 albertel 4512: &update_portfolio_table($docuname,$docudom,$file,
1.821 raeburn 4513: 'portfolio_metadata',$group,
4514: 'delete');
1.798 raeburn 4515: }
4516: }
4517: return $result;
1.257 www 4518: }
1.15 www 4519:
1.530 albertel 4520: sub mkdiruserfile {
4521: my ($docuname,$docudom,$dir)=@_;
4522: my $home=&homeserver($docuname,$docudom);
4523: return &reply("mkdiruserfile:".&escape("$docudom/$docuname/$dir"),$home);
4524: }
4525:
1.531 albertel 4526: sub renameuserfile {
4527: my ($docuname,$docudom,$old,$new)=@_;
4528: my $home=&homeserver($docuname,$docudom);
1.798 raeburn 4529: my $result = &reply("renameuserfile:$docudom:$docuname:".
4530: &escape("$old").':'.&escape("$new"),$home);
4531: if ($result eq 'ok') {
4532: if (($old !~ /\.meta$/) && (&is_portfolio_file($old))) {
4533: my $oldmeta = $old.'.meta';
4534: my $newmeta = $new.'.meta';
4535: my $metaresult =
4536: &renameuserfile($docuname,$docudom,$oldmeta,$newmeta);
1.823 albertel 4537: my $url = "/uploaded/$docudom/$docuname/$old";
4538: my ($file,$group) = (&parse_portfolio_url($url))[3,4];
1.821 raeburn 4539: my $sqlresult =
1.823 albertel 4540: &update_portfolio_table($docuname,$docudom,$file,
1.821 raeburn 4541: 'portfolio_metadata',$group,
4542: 'delete');
1.798 raeburn 4543: }
4544: }
4545: return $result;
1.531 albertel 4546: }
4547:
1.14 www 4548: # ------------------------------------------------------------------------- Log
4549:
4550: sub log {
4551: my ($dom,$nam,$hom,$what)=@_;
1.47 www 4552: return critical("log:$dom:$nam:$what",$hom);
1.157 www 4553: }
4554:
4555: # ------------------------------------------------------------------ Course Log
1.352 www 4556: #
4557: # This routine flushes several buffers of non-mission-critical nature
4558: #
1.157 www 4559:
4560: sub flushcourselogs {
1.352 www 4561: &logthis('Flushing log buffers');
4562: #
4563: # course logs
4564: # This is a log of all transactions in a course, which can be used
4565: # for data mining purposes
4566: #
4567: # It also collects the courseid database, which lists last transaction
4568: # times and course titles for all courseids
4569: #
4570: my %courseidbuffer=();
1.921 raeburn 4571: foreach my $crsid (keys(%courselogs)) {
1.352 www 4572: if (&reply('log:'.$coursedombuf{$crsid}.':'.$coursenumbuf{$crsid}.':'.
1.188 www 4573: &escape($courselogs{$crsid}),
4574: $coursehombuf{$crsid}) eq 'ok') {
1.157 www 4575: delete $courselogs{$crsid};
4576: } else {
4577: &logthis('Failed to flush log buffer for '.$crsid);
4578: if (length($courselogs{$crsid})>40000) {
1.672 albertel 4579: &logthis("<font color=\"blue\">WARNING: Buffer for ".$crsid.
1.157 www 4580: " exceeded maximum size, deleting.</font>");
4581: delete $courselogs{$crsid};
4582: }
1.352 www 4583: }
1.920 raeburn 4584: $courseidbuffer{$coursehombuf{$crsid}}{$crsid} = {
1.936 raeburn 4585: 'description' => $coursedescrbuf{$crsid},
4586: 'inst_code' => $courseinstcodebuf{$crsid},
4587: 'type' => $coursetypebuf{$crsid},
4588: 'owner' => $courseownerbuf{$crsid},
1.920 raeburn 4589: };
1.191 harris41 4590: }
1.352 www 4591: #
4592: # Write course id database (reverse lookup) to homeserver of courses
4593: # Is used in pickcourse
4594: #
1.840 albertel 4595: foreach my $crs_home (keys(%courseidbuffer)) {
1.918 raeburn 4596: my $response = &courseidput(&host_domain($crs_home),
1.921 raeburn 4597: $courseidbuffer{$crs_home},
4598: $crs_home,'timeonly');
1.352 www 4599: }
4600: #
4601: # File accesses
4602: # Writes to the dynamic metadata of resources to get hit counts, etc.
4603: #
1.449 matthew 4604: foreach my $entry (keys(%accesshash)) {
1.458 matthew 4605: if ($entry =~ /___count$/) {
4606: my ($dom,$name);
1.807 albertel 4607: ($dom,$name,undef)=
1.811 albertel 4608: ($entry=~m{___($match_domain)/($match_name)/(.*)___count$});
1.458 matthew 4609: if (! defined($dom) || $dom eq '' ||
4610: ! defined($name) || $name eq '') {
1.620 albertel 4611: my $cid = $env{'request.course.id'};
4612: $dom = $env{'request.'.$cid.'.domain'};
4613: $name = $env{'request.'.$cid.'.num'};
1.458 matthew 4614: }
1.450 matthew 4615: my $value = $accesshash{$entry};
4616: my (undef,$url,undef) = ($entry =~ /^(.*)___(.*)___count$/);
4617: my %temphash=($url => $value);
1.449 matthew 4618: my $result = &inc('nohist_accesscount',\%temphash,$dom,$name);
4619: if ($result eq 'ok') {
4620: delete $accesshash{$entry};
4621: }
4622: } else {
1.811 albertel 4623: my ($dom,$name) = ($entry=~m{___($match_domain)/($match_name)/(.*)___(\w+)$});
1.1159 www 4624: if (($dom eq 'uploaded') || ($dom eq 'adm')) { next; }
1.450 matthew 4625: my %temphash=($entry => $accesshash{$entry});
1.449 matthew 4626: if (&put('nohist_resevaldata',\%temphash,$dom,$name) eq 'ok') {
4627: delete $accesshash{$entry};
4628: }
1.185 www 4629: }
1.191 harris41 4630: }
1.352 www 4631: #
4632: # Roles
4633: # Reverse lookup of user roles for course faculty/staff and co-authorship
4634: #
1.800 albertel 4635: foreach my $entry (keys(%userrolehash)) {
1.351 www 4636: my ($role,$uname,$udom,$runame,$rudom,$rsec)=
1.349 www 4637: split(/\:/,$entry);
4638: if (&Apache::lonnet::put('nohist_userroles',
1.351 www 4639: { $role.':'.$uname.':'.$udom.':'.$rsec => $userrolehash{$entry} },
1.349 www 4640: $rudom,$runame) eq 'ok') {
4641: delete $userrolehash{$entry};
4642: }
4643: }
1.662 raeburn 4644: #
1.1172.2.90 raeburn 4645: # Reverse lookup of domain roles (dc, ad, li, sc, dh, da, au)
1.662 raeburn 4646: #
4647: my %domrolebuffer = ();
1.1000 raeburn 4648: foreach my $entry (keys(%domainrolehash)) {
1.901 albertel 4649: my ($role,$uname,$udom,$runame,$rudom,$rsec)=split(/:/,$entry);
1.662 raeburn 4650: if ($domrolebuffer{$rudom}) {
4651: $domrolebuffer{$rudom}.='&'.&escape($entry).
4652: '='.&escape($domainrolehash{$entry});
4653: } else {
4654: $domrolebuffer{$rudom}.=&escape($entry).
4655: '='.&escape($domainrolehash{$entry});
4656: }
4657: delete $domainrolehash{$entry};
4658: }
4659: foreach my $dom (keys(%domrolebuffer)) {
1.1172.2.82 raeburn 4660: my %servers;
4661: if (defined(&domain($dom,'primary'))) {
4662: my $primary=&domain($dom,'primary');
4663: my $hostname=&hostname($primary);
4664: $servers{$primary} = $hostname;
4665: } else {
4666: %servers = &get_servers($dom,'library');
4667: }
1.841 albertel 4668: foreach my $tryserver (keys(%servers)) {
1.1172.2.82 raeburn 4669: if (&reply('domroleput:'.$dom.':'.
4670: $domrolebuffer{$dom},$tryserver) eq 'ok') {
4671: last;
4672: } else {
1.841 albertel 4673: &logthis('Put of domain roles failed for '.$dom.' and '.$tryserver);
4674: }
1.662 raeburn 4675: }
4676: }
1.186 www 4677: $dumpcount++;
1.157 www 4678: }
4679:
4680: sub courselog {
4681: my $what=shift;
1.158 www 4682: $what=time.':'.$what;
1.620 albertel 4683: unless ($env{'request.course.id'}) { return ''; }
4684: $coursedombuf{$env{'request.course.id'}}=
4685: $env{'course.'.$env{'request.course.id'}.'.domain'};
4686: $coursenumbuf{$env{'request.course.id'}}=
4687: $env{'course.'.$env{'request.course.id'}.'.num'};
4688: $coursehombuf{$env{'request.course.id'}}=
4689: $env{'course.'.$env{'request.course.id'}.'.home'};
4690: $coursedescrbuf{$env{'request.course.id'}}=
4691: $env{'course.'.$env{'request.course.id'}.'.description'};
4692: $courseinstcodebuf{$env{'request.course.id'}}=
4693: $env{'course.'.$env{'request.course.id'}.'.internal.coursecode'};
4694: $courseownerbuf{$env{'request.course.id'}}=
4695: $env{'course.'.$env{'request.course.id'}.'.internal.courseowner'};
1.741 raeburn 4696: $coursetypebuf{$env{'request.course.id'}}=
4697: $env{'course.'.$env{'request.course.id'}.'.type'};
1.620 albertel 4698: if (defined $courselogs{$env{'request.course.id'}}) {
4699: $courselogs{$env{'request.course.id'}}.='&'.$what;
1.157 www 4700: } else {
1.620 albertel 4701: $courselogs{$env{'request.course.id'}}.=$what;
1.157 www 4702: }
1.620 albertel 4703: if (length($courselogs{$env{'request.course.id'}})>4048) {
1.157 www 4704: &flushcourselogs();
4705: }
1.158 www 4706: }
4707:
4708: sub courseacclog {
4709: my $fnsymb=shift;
1.620 albertel 4710: unless ($env{'request.course.id'}) { return ''; }
4711: my $what=$fnsymb.':'.$env{'user.name'}.':'.$env{'user.domain'};
1.1144 www 4712: if ($fnsymb=~/$LONCAPA::assess_re/) {
1.187 www 4713: $what.=':POST';
1.583 matthew 4714: # FIXME: Probably ought to escape things....
1.800 albertel 4715: foreach my $key (keys(%env)) {
4716: if ($key=~/^form\.(.*)/) {
1.975 raeburn 4717: my $formitem = $1;
4718: if ($formitem =~ /^HWFILE(?:SIZE|TOOBIG)/) {
4719: $what.=':'.$formitem.'='.$env{$key};
4720: } elsif ($formitem !~ /^HWFILE(?:[^.]+)$/) {
4721: $what.=':'.$formitem.'='.$env{$key};
4722: }
1.158 www 4723: }
1.191 harris41 4724: }
1.583 matthew 4725: } elsif ($fnsymb =~ m:^/adm/searchcat:) {
4726: # FIXME: We should not be depending on a form parameter that someone
4727: # editing lonsearchcat.pm might change in the future.
1.620 albertel 4728: if ($env{'form.phase'} eq 'course_search') {
1.583 matthew 4729: $what.= ':POST';
4730: # FIXME: Probably ought to escape things....
4731: foreach my $element ('courseexp','crsfulltext','crsrelated',
4732: 'crsdiscuss') {
1.620 albertel 4733: $what.=':'.$element.'='.$env{'form.'.$element};
1.583 matthew 4734: }
4735: }
1.158 www 4736: }
4737: &courselog($what);
1.149 www 4738: }
4739:
1.185 www 4740: sub countacc {
4741: my $url=&declutter(shift);
1.458 matthew 4742: return if (! defined($url) || $url eq '');
1.620 albertel 4743: unless ($env{'request.course.id'}) { return ''; }
1.1158 www 4744: #
4745: # Mark that this url was used in this course
4746: #
1.620 albertel 4747: $accesshash{$env{'request.course.id'}.'___'.$url.'___course'}=1;
1.1158 www 4748: #
4749: # Increase the access count for this resource in this child process
4750: #
1.281 www 4751: my $key=$$.$processmarker.'_'.$dumpcount.'___'.$url.'___count';
1.450 matthew 4752: $accesshash{$key}++;
1.185 www 4753: }
1.349 www 4754:
1.361 www 4755: sub linklog {
4756: my ($from,$to)=@_;
4757: $from=&declutter($from);
4758: $to=&declutter($to);
4759: $accesshash{$from.'___'.$to.'___comefrom'}=1;
4760: $accesshash{$to.'___'.$from.'___goto'}=1;
4761: }
1.1160 www 4762:
4763: sub statslog {
4764: my ($symb,$part,$users,$av_attempts,$degdiff)=@_;
4765: if ($users<2) { return; }
4766: my %dynstore=&LONCAPA::lonmetadata::dynamic_metadata_storage({
4767: 'course' => $env{'request.course.id'},
4768: 'sections' => '"all"',
4769: 'num_students' => $users,
4770: 'part' => $part,
4771: 'symb' => $symb,
4772: 'mean_tries' => $av_attempts,
4773: 'deg_of_diff' => $degdiff});
4774: foreach my $key (keys(%dynstore)) {
4775: $accesshash{$key}=$dynstore{$key};
4776: }
4777: }
1.361 www 4778:
1.349 www 4779: sub userrolelog {
4780: my ($trole,$username,$domain,$area,$tstart,$tend)=@_;
1.1169 droeschl 4781: if ( $trole =~ /^(ca|aa|in|cc|ep|cr|ta|co)/ ) {
1.350 www 4782: my (undef,$rudom,$runame,$rsec)=split(/\//,$area);
4783: $userrolehash
4784: {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec}
1.349 www 4785: =$tend.':'.$tstart;
1.662 raeburn 4786: }
1.1169 droeschl 4787: if ($env{'request.role'} =~ /dc\./ && $trole =~ /^(au|in|cc|ep|cr|ta|co)/) {
1.898 albertel 4788: $userrolehash
4789: {$trole.':'.$username.':'.$domain.':'.$env{'user.name'}.':'.$env{'user.domain'}.':'}
4790: =$tend.':'.$tstart;
4791: }
1.1172.2.90 raeburn 4792: if ($trole =~ /^(dc|ad|li|au|dg|sc|dh|da)/ ) {
1.662 raeburn 4793: my (undef,$rudom,$runame,$rsec)=split(/\//,$area);
4794: $domainrolehash
4795: {$trole.':'.$username.':'.$domain.':'.$runame.':'.$rudom.':'.$rsec}
4796: = $tend.':'.$tstart;
4797: }
1.351 www 4798: }
4799:
1.957 raeburn 4800: sub courserolelog {
4801: my ($trole,$username,$domain,$area,$tstart,$tend,$delflag,$selfenroll,$context)=@_;
1.1172.2.9 raeburn 4802: if ($area =~ m-^/($match_domain)/($match_courseid)/?([^/]*)-) {
4803: my $cdom = $1;
4804: my $cnum = $2;
4805: my $sec = $3;
4806: my $namespace = 'rolelog';
4807: my %storehash = (
4808: role => $trole,
4809: start => $tstart,
4810: end => $tend,
4811: selfenroll => $selfenroll,
4812: context => $context,
4813: );
4814: if ($trole eq 'gr') {
4815: $namespace = 'groupslog';
4816: $storehash{'group'} = $sec;
4817: } else {
4818: $storehash{'section'} = $sec;
4819: }
4820: &write_log('course',$namespace,\%storehash,$delflag,$username,
4821: $domain,$cnum,$cdom);
4822: if (($trole ne 'st') || ($sec ne '')) {
4823: &devalidate_cache_new('getcourseroles',$cdom.'_'.$cnum);
1.957 raeburn 4824: }
4825: }
4826: return;
4827: }
4828:
1.1172.2.9 raeburn 4829: sub domainrolelog {
4830: my ($trole,$username,$domain,$area,$tstart,$tend,$delflag,$context)=@_;
4831: if ($area =~ m{^/($match_domain)/$}) {
4832: my $cdom = $1;
4833: my $domconfiguser = &Apache::lonnet::get_domainconfiguser($cdom);
4834: my $namespace = 'rolelog';
4835: my %storehash = (
4836: role => $trole,
4837: start => $tstart,
4838: end => $tend,
4839: context => $context,
4840: );
4841: &write_log('domain',$namespace,\%storehash,$delflag,$username,
4842: $domain,$domconfiguser,$cdom);
4843: }
4844: return;
4845:
4846: }
4847:
4848: sub coauthorrolelog {
4849: my ($trole,$username,$domain,$area,$tstart,$tend,$delflag,$context)=@_;
4850: if ($area =~ m{^/($match_domain)/($match_username)$}) {
4851: my $audom = $1;
4852: my $auname = $2;
4853: my $namespace = 'rolelog';
4854: my %storehash = (
4855: role => $trole,
4856: start => $tstart,
4857: end => $tend,
4858: context => $context,
4859: );
4860: &write_log('author',$namespace,\%storehash,$delflag,$username,
4861: $domain,$auname,$audom);
4862: }
4863: return;
4864: }
4865:
1.351 www 4866: sub get_course_adv_roles {
1.948 raeburn 4867: my ($cid,$codes) = @_;
1.620 albertel 4868: $cid=$env{'request.course.id'} unless (defined($cid));
1.351 www 4869: my %coursehash=&coursedescription($cid);
1.988 raeburn 4870: my $crstype = &Apache::loncommon::course_type($cid);
1.470 www 4871: my %nothide=();
1.800 albertel 4872: foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
1.937 raeburn 4873: if ($user !~ /:/) {
4874: $nothide{join(':',split(/[\@]/,$user))}=1;
4875: } else {
4876: $nothide{$user}=1;
4877: }
1.470 www 4878: }
1.1172.2.23 raeburn 4879: my @possdoms = ($coursehash{'domain'});
4880: if ($coursehash{'checkforpriv'}) {
4881: push(@possdoms,split(/,/,$coursehash{'checkforpriv'}));
4882: }
1.351 www 4883: my %returnhash=();
4884: my %dumphash=
4885: &dump('nohist_userroles',$coursehash{'domain'},$coursehash{'num'});
4886: my $now=time;
1.997 raeburn 4887: my %privileged;
1.1000 raeburn 4888: foreach my $entry (keys(%dumphash)) {
1.800 albertel 4889: my ($tend,$tstart)=split(/\:/,$dumphash{$entry});
1.351 www 4890: if (($tstart) && ($tstart<0)) { next; }
4891: if (($tend) && ($tend<$now)) { next; }
4892: if (($tstart) && ($now<$tstart)) { next; }
1.800 albertel 4893: my ($role,$username,$domain,$section)=split(/\:/,$entry);
1.576 albertel 4894: if ($username eq '' || $domain eq '') { next; }
1.1172.2.23 raeburn 4895: if ((&privileged($username,$domain,\@possdoms)) &&
1.997 raeburn 4896: (!$nothide{$username.':'.$domain})) { next; }
1.656 albertel 4897: if ($role eq 'cr') { next; }
1.948 raeburn 4898: if ($codes) {
4899: if ($section) { $role .= ':'.$section; }
4900: if ($returnhash{$role}) {
4901: $returnhash{$role}.=','.$username.':'.$domain;
4902: } else {
4903: $returnhash{$role}=$username.':'.$domain;
4904: }
1.351 www 4905: } else {
1.988 raeburn 4906: my $key=&plaintext($role,$crstype);
1.973 bisitz 4907: if ($section) { $key.=' ('.&Apache::lonlocal::mt('Section [_1]',$section).')'; }
1.948 raeburn 4908: if ($returnhash{$key}) {
4909: $returnhash{$key}.=','.$username.':'.$domain;
4910: } else {
4911: $returnhash{$key}=$username.':'.$domain;
4912: }
1.351 www 4913: }
1.948 raeburn 4914: }
1.400 www 4915: return %returnhash;
4916: }
4917:
4918: sub get_my_roles {
1.937 raeburn 4919: my ($uname,$udom,$context,$types,$roles,$roledoms,$withsec,$hidepriv)=@_;
1.620 albertel 4920: unless (defined($uname)) { $uname=$env{'user.name'}; }
4921: unless (defined($udom)) { $udom=$env{'user.domain'}; }
1.937 raeburn 4922: my (%dumphash,%nothide);
1.1086 raeburn 4923: if ($context eq 'userroles') {
1.1166 raeburn 4924: %dumphash = &dump('roles',$udom,$uname);
1.858 raeburn 4925: } else {
1.1172.2.23 raeburn 4926: %dumphash = &dump('nohist_userroles',$udom,$uname);
1.937 raeburn 4927: if ($hidepriv) {
4928: my %coursehash=&coursedescription($udom.'_'.$uname);
4929: foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) {
4930: if ($user !~ /:/) {
4931: $nothide{join(':',split(/[\@]/,$user))} = 1;
4932: } else {
4933: $nothide{$user} = 1;
4934: }
4935: }
4936: }
1.858 raeburn 4937: }
1.400 www 4938: my %returnhash=();
4939: my $now=time;
1.999 raeburn 4940: my %privileged;
1.800 albertel 4941: foreach my $entry (keys(%dumphash)) {
1.867 raeburn 4942: my ($role,$tend,$tstart);
4943: if ($context eq 'userroles') {
1.1149 raeburn 4944: next if ($entry =~ /^rolesdef/);
1.867 raeburn 4945: ($role,$tend,$tstart)=split(/_/,$dumphash{$entry});
4946: } else {
4947: ($tend,$tstart)=split(/\:/,$dumphash{$entry});
4948: }
1.400 www 4949: if (($tstart) && ($tstart<0)) { next; }
1.832 raeburn 4950: my $status = 'active';
1.939 raeburn 4951: if (($tend) && ($tend<=$now)) {
1.832 raeburn 4952: $status = 'previous';
4953: }
4954: if (($tstart) && ($now<$tstart)) {
4955: $status = 'future';
4956: }
4957: if (ref($types) eq 'ARRAY') {
4958: if (!grep(/^\Q$status\E$/,@{$types})) {
4959: next;
4960: }
4961: } else {
4962: if ($status ne 'active') {
4963: next;
4964: }
4965: }
1.867 raeburn 4966: my ($rolecode,$username,$domain,$section,$area);
4967: if ($context eq 'userroles') {
1.1172.2.9 raeburn 4968: ($area,$rolecode) = ($entry =~ /^(.+)_([^_]+)$/);
1.867 raeburn 4969: (undef,$domain,$username,$section) = split(/\//,$area);
4970: } else {
4971: ($role,$username,$domain,$section) = split(/\:/,$entry);
4972: }
1.832 raeburn 4973: if (ref($roledoms) eq 'ARRAY') {
4974: if (!grep(/^\Q$domain\E$/,@{$roledoms})) {
4975: next;
4976: }
4977: }
4978: if (ref($roles) eq 'ARRAY') {
4979: if (!grep(/^\Q$role\E$/,@{$roles})) {
1.922 raeburn 4980: if ($role =~ /^cr\//) {
4981: if (!grep(/^cr$/,@{$roles})) {
4982: next;
4983: }
1.1104 raeburn 4984: } elsif ($role =~ /^gr\//) {
4985: if (!grep(/^gr$/,@{$roles})) {
4986: next;
4987: }
1.922 raeburn 4988: } else {
4989: next;
4990: }
1.832 raeburn 4991: }
1.867 raeburn 4992: }
1.937 raeburn 4993: if ($hidepriv) {
1.1172.2.23 raeburn 4994: my @privroles = ('dc','su');
1.999 raeburn 4995: if ($context eq 'userroles') {
1.1172.2.23 raeburn 4996: next if (grep(/^\Q$role\E$/,@privroles));
1.999 raeburn 4997: } else {
1.1172.2.23 raeburn 4998: my $possdoms = [$domain];
4999: if (ref($roledoms) eq 'ARRAY') {
5000: push(@{$possdoms},@{$roledoms});
1.999 raeburn 5001: }
1.1172.2.23 raeburn 5002: if (&privileged($username,$domain,$possdoms,\@privroles)) {
1.999 raeburn 5003: if (!$nothide{$username.':'.$domain}) {
5004: next;
5005: }
5006: }
1.937 raeburn 5007: }
5008: }
1.933 raeburn 5009: if ($withsec) {
5010: $returnhash{$username.':'.$domain.':'.$role.':'.$section} =
5011: $tstart.':'.$tend;
5012: } else {
5013: $returnhash{$username.':'.$domain.':'.$role}=$tstart.':'.$tend;
5014: }
1.832 raeburn 5015: }
1.373 www 5016: return %returnhash;
1.399 www 5017: }
5018:
1.1172.2.89 raeburn 5019: sub get_all_adhocroles {
5020: my ($dom) = @_;
5021: my @roles_by_num = ();
5022: my %domdefaults = &get_domain_defaults($dom);
5023: my (%description,%access_in_dom,%access_info);
5024: if (ref($domdefaults{'adhocroles'}) eq 'HASH') {
5025: my $count = 0;
5026: my %domcurrent = %{$domdefaults{'adhocroles'}};
5027: my %ordered;
5028: foreach my $role (sort(keys(%domcurrent))) {
5029: my ($order,$desc,$access_in_dom);
5030: if (ref($domcurrent{$role}) eq 'HASH') {
5031: $order = $domcurrent{$role}{'order'};
5032: $desc = $domcurrent{$role}{'desc'};
5033: $access_in_dom{$role} = $domcurrent{$role}{'access'};
5034: $access_info{$role} = $domcurrent{$role}{$access_in_dom{$role}};
5035: }
5036: if ($order eq '') {
5037: $order = $count;
5038: }
5039: $ordered{$order} = $role;
5040: if ($desc ne '') {
5041: $description{$role} = $desc;
5042: } else {
5043: $description{$role}= $role;
5044: }
5045: $count++;
5046: }
5047: foreach my $item (sort {$a <=> $b } (keys(%ordered))) {
5048: push(@roles_by_num,$ordered{$item});
5049: }
5050: }
5051: return (\@roles_by_num,\%description,\%access_in_dom,\%access_info);
5052: }
5053:
5054: sub get_my_adhocroles {
5055: my ($cid,$checkreg) = @_;
5056: my ($cdom,$cnum,%info,@possroles,$description,$roles_by_num);
5057: if ($env{'request.course.id'} eq $cid) {
5058: $cdom = $env{'course.'.$cid.'.domain'};
5059: $cnum = $env{'course.'.$cid.'.num'};
5060: $info{'internal.coursecode'} = $env{'course.'.$cid.'.internal.coursecode'};
5061: } elsif ($cid =~ /^($match_domain)_($match_courseid)$/) {
5062: $cdom = $1;
5063: $cnum = $2;
5064: %info = &Apache::lonnet::get('environment',['internal.coursecode'],
5065: $cdom,$cnum);
5066: }
5067: if (($info{'internal.coursecode'} ne '') && ($checkreg)) {
5068: my $user = $env{'user.name'}.':'.$env{'user.domain'};
5069: my %rosterhash = &get('classlist',[$user],$cdom,$cnum);
5070: if ($rosterhash{$user} ne '') {
5071: my $type = (split(/:/,$rosterhash{$user}))[5];
5072: return ([],{}) if ($type eq 'auto');
5073: }
5074: }
5075: if (($cdom ne '') && ($cnum ne '')) {
1.1172.2.90 raeburn 5076: if (($env{"user.role.dh./$cdom/"}) || ($env{"user.role.da./$cdom/"})) {
1.1172.2.89 raeburn 5077: my $then=$env{'user.login.time'};
5078: my $update=$env{'user.update.time'};
1.1172.2.90 raeburn 5079: if (!$update) {
5080: $update = $then;
5081: }
5082: my @liveroles;
5083: foreach my $role ('dh','da') {
5084: if ($env{"user.role.$role./$cdom/"}) {
5085: my ($tstart,$tend)=split(/\./,$env{"user.role.$role./$cdom/"});
5086: my $limit = $update;
5087: if ($env{'request.role'} eq "$role./$cdom/") {
5088: $limit = $then;
5089: }
5090: my $activerole = 1;
5091: if ($tstart && $tstart>$limit) { $activerole = 0; }
5092: if ($tend && $tend <$limit) { $activerole = 0; }
5093: if ($activerole) {
5094: push(@liveroles,$role);
5095: }
5096: }
5097: }
5098: if (@liveroles) {
1.1172.2.89 raeburn 5099: if (&homeserver($cnum,$cdom) ne 'no_host') {
5100: my ($accessref,$accessinfo,%access_in_dom);
5101: ($roles_by_num,$description,$accessref,$accessinfo) = &get_all_adhocroles($cdom);
5102: if (ref($roles_by_num) eq 'ARRAY') {
5103: if (@{$roles_by_num}) {
5104: my %settings;
5105: if ($env{'request.course.id'} eq $cid) {
5106: foreach my $envkey (keys(%env)) {
5107: if ($envkey =~ /^\Qcourse.$cid.\E(internal\.adhoc.+)$/) {
5108: $settings{$1} = $env{$envkey};
5109: }
5110: }
5111: } else {
5112: %settings = &dump('environment',$cdom,$cnum,'internal\.adhoc');
5113: }
5114: my %setincrs;
5115: if ($settings{'internal.adhocaccess'}) {
5116: map { $setincrs{$_} = 1; } split(/,/,$settings{'internal.adhocaccess'});
5117: }
5118: my @statuses;
5119: if ($env{'environment.inststatus'}) {
5120: @statuses = split(/,/,$env{'environment.inststatus'});
5121: }
5122: my $user = $env{'user.name'}.':'.$env{'user.domain'};
5123: if (ref($accessref) eq 'HASH') {
5124: %access_in_dom = %{$accessref};
5125: }
5126: foreach my $role (@{$roles_by_num}) {
5127: my ($curraccess,@okstatus,@personnel);
5128: if ($setincrs{$role}) {
5129: ($curraccess,my $rest) = split(/=/,$settings{'internal.adhoc.'.$role});
5130: if ($curraccess eq 'status') {
5131: @okstatus = split(/\&/,$rest);
5132: } elsif (($curraccess eq 'exc') || ($curraccess eq 'inc')) {
5133: @personnel = split(/\&/,$rest);
5134: }
5135: } else {
5136: $curraccess = $access_in_dom{$role};
5137: if (ref($accessinfo) eq 'HASH') {
5138: if ($curraccess eq 'status') {
5139: if (ref($accessinfo->{$role}) eq 'ARRAY') {
5140: @okstatus = @{$accessinfo->{$role}};
5141: }
5142: } elsif (($curraccess eq 'exc') || ($curraccess eq 'inc')) {
5143: if (ref($accessinfo->{$role}) eq 'ARRAY') {
5144: @personnel = @{$accessinfo->{$role}};
5145: }
5146: }
5147: }
5148: }
5149: if ($curraccess eq 'none') {
5150: next;
5151: } elsif ($curraccess eq 'all') {
5152: push(@possroles,$role);
1.1172.2.90 raeburn 5153: } elsif ($curraccess eq 'dh') {
5154: if (grep(/^dh$/,@liveroles)) {
5155: push(@possroles,$role);
5156: } else {
5157: next;
5158: }
5159: } elsif ($curraccess eq 'da') {
5160: if (grep(/^da$/,@liveroles)) {
5161: push(@possroles,$role);
5162: } else {
5163: next;
5164: }
1.1172.2.89 raeburn 5165: } elsif ($curraccess eq 'status') {
5166: if (@okstatus) {
5167: if (!@statuses) {
5168: if (grep(/^default$/,@okstatus)) {
5169: push(@possroles,$role);
5170: }
5171: } else {
5172: foreach my $status (@okstatus) {
5173: if (grep(/^\Q$status\E$/,@statuses)) {
5174: push(@possroles,$role);
5175: last;
5176: }
5177: }
5178: }
5179: }
5180: } elsif (($curraccess eq 'exc') || ($curraccess eq 'inc')) {
5181: if (grep(/^\Q$user\E$/,@personnel)) {
5182: if ($curraccess eq 'exc') {
5183: push(@possroles,$role);
5184: }
5185: } elsif ($curraccess eq 'inc') {
5186: push(@possroles,$role);
5187: }
5188: }
5189: }
5190: }
5191: }
5192: }
5193: }
5194: }
5195: }
5196: unless (ref($description) eq 'HASH') {
5197: if (ref($roles_by_num) eq 'ARRAY') {
5198: my %desc;
5199: map { $desc{$_} = $_; } (@{$roles_by_num});
5200: $description = \%desc;
5201: } else {
5202: $description = {};
5203: }
5204: }
5205: return (\@possroles,$description);
5206: }
5207:
1.399 www 5208: # ----------------------------------------------------- Frontpage Announcements
5209: #
5210: #
5211:
5212: sub postannounce {
5213: my ($server,$text)=@_;
1.844 albertel 5214: unless (&allowed('psa',&host_domain($server))) { return 'refused'; }
1.399 www 5215: unless ($text=~/\w/) { $text=''; }
5216: return &reply('setannounce:'.&escape($text),$server);
5217: }
5218:
5219: sub getannounce {
1.448 albertel 5220:
1.1172.2.96 raeburn 5221: if (open(my $fh,"<",$perlvar{'lonDocRoot'}.'/announcement.txt')) {
1.399 www 5222: my $announcement='';
1.800 albertel 5223: while (my $line = <$fh>) { $announcement .= $line; }
1.448 albertel 5224: close($fh);
1.399 www 5225: if ($announcement=~/\w/) {
5226: return
5227: '<table bgcolor="#FF5555" cellpadding="5" cellspacing="3">'.
1.518 albertel 5228: '<tr><td bgcolor="#FFFFFF"><tt>'.$announcement.'</tt></td></tr></table>';
1.399 www 5229: } else {
5230: return '';
5231: }
5232: } else {
5233: return '';
5234: }
1.351 www 5235: }
1.353 www 5236:
5237: # ---------------------------------------------------------- Course ID routines
5238: # Deal with domain's nohist_courseid.db files
5239: #
5240:
5241: sub courseidput {
1.921 raeburn 5242: my ($domain,$storehash,$coursehome,$caller) = @_;
1.1054 raeburn 5243: return unless (ref($storehash) eq 'HASH');
1.921 raeburn 5244: my $outcome;
5245: if ($caller eq 'timeonly') {
5246: my $cids = '';
5247: foreach my $item (keys(%$storehash)) {
5248: $cids.=&escape($item).'&';
5249: }
5250: $cids=~s/\&$//;
5251: $outcome = &reply('courseidputhash:'.$domain.':'.$caller.':'.$cids,
5252: $coursehome);
5253: } else {
5254: my $items = '';
5255: foreach my $item (keys(%$storehash)) {
5256: $items.= &escape($item).'='.
5257: &freeze_escape($$storehash{$item}).'&';
5258: }
5259: $items=~s/\&$//;
5260: $outcome = &reply('courseidputhash:'.$domain.':'.$caller.':'.$items,
5261: $coursehome);
1.918 raeburn 5262: }
5263: if ($outcome eq 'unknown_cmd') {
5264: my $what;
5265: foreach my $cid (keys(%$storehash)) {
5266: $what .= &escape($cid).'=';
1.921 raeburn 5267: foreach my $item ('description','inst_code','owner','type') {
1.936 raeburn 5268: $what .= &escape($storehash->{$cid}{$item}).':';
1.918 raeburn 5269: }
5270: $what =~ s/\:$/&/;
5271: }
5272: $what =~ s/\&$//;
5273: return &reply('courseidput:'.$domain.':'.$what,$coursehome);
5274: } else {
5275: return $outcome;
5276: }
1.353 www 5277: }
5278:
5279: sub courseiddump {
1.921 raeburn 5280: my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter,
1.947 raeburn 5281: $coursefilter,$hostidflag,$hostidref,$typefilter,$regexp_ok,
1.1029 raeburn 5282: $selfenrollonly,$catfilter,$showhidden,$caller,$cloner,$cc_clone,
1.1172.2.38 raeburn 5283: $cloneonly,$createdbefore,$createdafter,$creationcontext,$domcloner,
1.1172.2.68 raeburn 5284: $hasuniquecode,$reqcrsdom,$reqinstcode)=@_;
1.918 raeburn 5285: my $as_hash = 1;
5286: my %returnhash;
5287: if (!$domfilter) { $domfilter=''; }
1.845 albertel 5288: my %libserv = &all_library();
5289: foreach my $tryserver (keys(%libserv)) {
5290: if ( ( $hostidflag == 1
5291: && grep(/^\Q$tryserver\E$/,@{$hostidref}) )
5292: || (!defined($hostidflag)) ) {
5293:
1.918 raeburn 5294: if (($domfilter eq '') ||
5295: (&host_domain($tryserver) eq $domfilter)) {
1.1172.2.22 raeburn 5296: my $rep;
5297: if (grep { $_ eq $tryserver } ¤t_machine_ids()) {
5298: $rep = &LONCAPA::Lond::dump_course_id_handler(
5299: join(":", (&host_domain($tryserver), $sincefilter,
5300: &escape($descfilter), &escape($instcodefilter),
5301: &escape($ownerfilter), &escape($coursefilter),
5302: &escape($typefilter), &escape($regexp_ok),
5303: $as_hash, &escape($selfenrollonly),
5304: &escape($catfilter), $showhidden, $caller,
5305: &escape($cloner), &escape($cc_clone), $cloneonly,
5306: &escape($createdbefore), &escape($createdafter),
1.1172.2.68 raeburn 5307: &escape($creationcontext),$domcloner,$hasuniquecode,
5308: $reqcrsdom,&escape($reqinstcode))));
1.1172.2.22 raeburn 5309: } else {
5310: $rep = &reply('courseiddump:'.&host_domain($tryserver).':'.
5311: $sincefilter.':'.&escape($descfilter).':'.
5312: &escape($instcodefilter).':'.&escape($ownerfilter).
5313: ':'.&escape($coursefilter).':'.&escape($typefilter).
5314: ':'.&escape($regexp_ok).':'.$as_hash.':'.
5315: &escape($selfenrollonly).':'.&escape($catfilter).':'.
5316: $showhidden.':'.$caller.':'.&escape($cloner).':'.
5317: &escape($cc_clone).':'.$cloneonly.':'.
5318: &escape($createdbefore).':'.&escape($createdafter).':'.
1.1172.2.68 raeburn 5319: &escape($creationcontext).':'.$domcloner.':'.$hasuniquecode.
5320: ':'.$reqcrsdom.':'.&escape($reqinstcode),$tryserver);
1.1172.2.22 raeburn 5321: }
5322:
1.918 raeburn 5323: my @pairs=split(/\&/,$rep);
5324: foreach my $item (@pairs) {
5325: my ($key,$value)=split(/\=/,$item,2);
5326: $key = &unescape($key);
5327: next if ($key =~ /^error: 2 /);
5328: my $result = &thaw_unescape($value);
5329: if (ref($result) eq 'HASH') {
5330: $returnhash{$key}=$result;
5331: } else {
1.921 raeburn 5332: my @responses = split(/:/,$value);
5333: my @items = ('description','inst_code','owner','type');
1.918 raeburn 5334: for (my $i=0; $i<@responses; $i++) {
1.921 raeburn 5335: $returnhash{$key}{$items[$i]} = &unescape($responses[$i]);
1.918 raeburn 5336: }
1.1008 raeburn 5337: }
1.353 www 5338: }
5339: }
5340: }
5341: }
5342: return %returnhash;
5343: }
5344:
1.1055 raeburn 5345: sub courselastaccess {
5346: my ($cdom,$cnum,$hostidref) = @_;
5347: my %returnhash;
5348: if ($cdom && $cnum) {
5349: my $chome = &homeserver($cnum,$cdom);
5350: if ($chome ne 'no_host') {
5351: my $rep = &reply('courselastaccess:'.$cdom.':'.$cnum,$chome);
5352: &extract_lastaccess(\%returnhash,$rep);
5353: }
5354: } else {
5355: if (!$cdom) { $cdom=''; }
5356: my %libserv = &all_library();
5357: foreach my $tryserver (keys(%libserv)) {
5358: if (ref($hostidref) eq 'ARRAY') {
5359: next unless (grep(/^\Q$tryserver\E$/,@{$hostidref}));
5360: }
5361: if (($cdom eq '') || (&host_domain($tryserver) eq $cdom)) {
5362: my $rep = &reply('courselastaccess:'.&host_domain($tryserver).':',$tryserver);
5363: &extract_lastaccess(\%returnhash,$rep);
5364: }
5365: }
5366: }
5367: return %returnhash;
5368: }
5369:
5370: sub extract_lastaccess {
5371: my ($returnhash,$rep) = @_;
5372: if (ref($returnhash) eq 'HASH') {
5373: unless ($rep eq 'unknown_command' || $rep eq 'no_such_host' ||
5374: $rep eq 'con_lost' || $rep eq 'rejected' || $rep eq 'refused' ||
5375: $rep eq '') {
5376: my @pairs=split(/\&/,$rep);
5377: foreach my $item (@pairs) {
5378: my ($key,$value)=split(/\=/,$item,2);
5379: $key = &unescape($key);
5380: next if ($key =~ /^error: 2 /);
5381: $returnhash->{$key} = &thaw_unescape($value);
5382: }
5383: }
5384: }
5385: return;
5386: }
5387:
1.658 raeburn 5388: # ---------------------------------------------------------- DC e-mail
1.662 raeburn 5389:
5390: sub dcmailput {
1.685 raeburn 5391: my ($domain,$msgid,$message,$server)=@_;
1.662 raeburn 5392: my $status = &Apache::lonnet::critical(
1.740 www 5393: 'dcmailput:'.$domain.':'.&escape($msgid).'='.
5394: &escape($message),$server);
1.662 raeburn 5395: return $status;
5396: }
5397:
1.658 raeburn 5398: sub dcmaildump {
5399: my ($dom,$startdate,$enddate,$senders) = @_;
1.685 raeburn 5400: my %returnhash=();
1.846 albertel 5401:
5402: if (defined(&domain($dom,'primary'))) {
1.685 raeburn 5403: my $cmd='dcmaildump:'.$dom.':'.&escape($startdate).':'.
5404: &escape($enddate).':';
5405: my @esc_senders=map { &escape($_)} @$senders;
5406: $cmd.=&escape(join('&',@esc_senders));
1.846 albertel 5407: foreach my $line (split(/\&/,&reply($cmd,&domain($dom,'primary')))) {
1.800 albertel 5408: my ($key,$value) = split(/\=/,$line,2);
1.685 raeburn 5409: if (($key) && ($value)) {
5410: $returnhash{&unescape($key)} = &unescape($value);
1.658 raeburn 5411: }
5412: }
5413: }
5414: return %returnhash;
5415: }
1.662 raeburn 5416: # ---------------------------------------------------------- Domain roles
5417:
5418: sub get_domain_roles {
5419: my ($dom,$roles,$startdate,$enddate)=@_;
1.1018 raeburn 5420: if ((!defined($startdate)) || ($startdate eq '')) {
1.662 raeburn 5421: $startdate = '.';
5422: }
1.1018 raeburn 5423: if ((!defined($enddate)) || ($enddate eq '')) {
1.662 raeburn 5424: $enddate = '.';
5425: }
1.922 raeburn 5426: my $rolelist;
5427: if (ref($roles) eq 'ARRAY') {
1.1172.2.23 raeburn 5428: $rolelist = join('&',@{$roles});
1.922 raeburn 5429: }
1.662 raeburn 5430: my %personnel = ();
1.841 albertel 5431:
5432: my %servers = &get_servers($dom,'library');
5433: foreach my $tryserver (keys(%servers)) {
5434: %{$personnel{$tryserver}}=();
5435: foreach my $line (split(/\&/,&reply('domrolesdump:'.$dom.':'.
5436: &escape($startdate).':'.
5437: &escape($enddate).':'.
5438: &escape($rolelist), $tryserver))) {
5439: my ($key,$value) = split(/\=/,$line,2);
5440: if (($key) && ($value)) {
5441: $personnel{$tryserver}{&unescape($key)} = &unescape($value);
5442: }
5443: }
1.662 raeburn 5444: }
5445: return %personnel;
5446: }
1.658 raeburn 5447:
1.1172.2.89 raeburn 5448: sub get_active_domroles {
5449: my ($dom,$roles) = @_;
5450: return () unless (ref($roles) eq 'ARRAY');
5451: my $now = time;
5452: my %dompersonnel = &get_domain_roles($dom,$roles,$now,$now);
5453: my %domroles;
5454: foreach my $server (keys(%dompersonnel)) {
5455: foreach my $user (sort(keys(%{$dompersonnel{$server}}))) {
5456: my ($trole,$uname,$udom,$runame,$rudom,$rsec) = split(/:/,$user);
5457: $domroles{$uname.':'.$udom} = $dompersonnel{$server}{$user};
5458: }
5459: }
5460: return %domroles;
5461: }
5462:
1.1057 www 5463: # ----------------------------------------------------------- Interval timing
1.149 www 5464:
1.1153 www 5465: {
5466: # Caches needed for speedup of navmaps
5467: # We don't want to cache this for very long at all (5 seconds at most)
5468: #
5469: # The user for whom we cache
5470: my $cachedkey='';
5471: # The cached times for this user
5472: my %cachedtimes=();
5473: # When this was last done
1.1172.2.66 raeburn 5474: my $cachedtime='';
1.1153 www 5475:
5476: sub load_all_first_access {
1.1172.2.118. .1(raebu 5477:20): my ($uname,$udom,$ignorecache)=@_;
1.1156 www 5478: if (($cachedkey eq $uname.':'.$udom) &&
1.1172.2.118. .1(raebu 5479:20): (abs($cachedtime-time)<5) && (!$env{'form.markaccess'}) &&
5480:20): (!$ignorecache)) {
1.1154 raeburn 5481: return;
5482: }
5483: $cachedtime=time;
5484: $cachedkey=$uname.':'.$udom;
5485: %cachedtimes=&dump('firstaccesstimes',$udom,$uname);
1.1153 www 5486: }
5487:
1.504 albertel 5488: sub get_first_access {
1.1172.2.118. .1(raebu 5489:20): my ($type,$argsymb,$argmap,$ignorecache)=@_;
1.790 albertel 5490: my ($symb,$courseid,$udom,$uname)=&whichuser();
1.504 albertel 5491: if ($argsymb) { $symb=$argsymb; }
5492: my ($map,$id,$res)=&decode_symb($symb);
1.1162 raeburn 5493: if ($argmap) { $map = $argmap; }
1.926 albertel 5494: if ($type eq 'course') {
5495: $res='course';
5496: } elsif ($type eq 'map') {
1.588 albertel 5497: $res=&symbread($map);
5498: } else {
5499: $res=$symb;
5500: }
1.1172.2.118. .1(raebu 5501:20): &load_all_first_access($uname,$udom,$ignorecache);
1.1153 www 5502: return $cachedtimes{"$courseid\0$res"};
1.504 albertel 5503: }
5504:
5505: sub set_first_access {
1.1162 raeburn 5506: my ($type,$interval)=@_;
1.790 albertel 5507: my ($symb,$courseid,$udom,$uname)=&whichuser();
1.504 albertel 5508: my ($map,$id,$res)=&decode_symb($symb);
1.928 albertel 5509: if ($type eq 'course') {
5510: $res='course';
5511: } elsif ($type eq 'map') {
1.588 albertel 5512: $res=&symbread($map);
5513: } else {
5514: $res=$symb;
5515: }
1.1153 www 5516: $cachedkey='';
1.1162 raeburn 5517: my $firstaccess=&get_first_access($type,$symb,$map);
1.1172.2.102 raeburn 5518: if ($firstaccess) {
5519: &logthis("First access time already set ($firstaccess) when attempting ".
5520: "to set new value (type: $type, extent: $res) for $uname:$udom ".
5521: "in $courseid");
5522: return 'already_set';
5523: } else {
1.1162 raeburn 5524: my $start = time;
5525: my $putres = &put('firstaccesstimes',{"$courseid\0$res"=>$start},
5526: $udom,$uname);
5527: if ($putres eq 'ok') {
5528: &put('timerinterval',{"$courseid\0$res"=>$interval},
5529: $udom,$uname);
5530: &appenv(
5531: {
5532: 'course.'.$courseid.'.firstaccess.'.$res => $start,
5533: 'course.'.$courseid.'.timerinterval.'.$res => $interval,
5534: }
5535: );
1.1172.2.97 raeburn 5536: if (($cachedtime) && (abs($start-$cachedtime) < 5)) {
5537: $cachedtimes{"$courseid\0$res"} = $start;
5538: }
1.1172.2.102 raeburn 5539: } elsif ($putres ne 'refused') {
5540: &logthis("Result: $putres when attempting to set first access time ".
5541: "(type: $type, extent: $res) for $uname:$udom in $courseid");
1.1162 raeburn 5542: }
5543: return $putres;
1.505 albertel 5544: }
5545: return 'already_set';
1.504 albertel 5546: }
1.1153 www 5547: }
1.1172.2.32 raeburn 5548:
5549: sub checkout {
5550: my ($symb,$tuname,$tudom,$tcrsid)=@_;
5551: my $now=time;
5552: my $lonhost=$perlvar{'lonHostID'};
5553: my $infostr=&escape(
5554: 'CHECKOUTTOKEN&'.
5555: $tuname.'&'.
5556: $tudom.'&'.
5557: $tcrsid.'&'.
5558: $symb.'&'.
5559: $now.'&'.$ENV{'REMOTE_ADDR'});
5560: my $token=&reply('tmpput:'.$infostr,$lonhost);
5561: if ($token=~/^error\:/) {
5562: &logthis("<font color=\"blue\">WARNING: ".
5563: "Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb.
5564: "</font>");
5565: return '';
5566: }
5567:
5568: $token=~s/^(\d+)\_.*\_(\d+)$/$1\*$2\*$lonhost/;
5569: $token=~tr/a-z/A-Z/;
5570:
5571: my %infohash=('resource.0.outtoken' => $token,
5572: 'resource.0.checkouttime' => $now,
5573: 'resource.0.outremote' => $ENV{'REMOTE_ADDR'});
5574:
5575: unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') {
5576: return '';
5577: } else {
5578: &logthis("<font color=\"blue\">WARNING: ".
5579: "Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb.
5580: "</font>");
5581: }
5582:
5583: if (&log($tudom,$tuname,&homeserver($tuname,$tudom),
5584: &escape('Checkout '.$infostr.' - '.
5585: $token)) ne 'ok') {
5586: return '';
5587: } else {
5588: &logthis("<font color=\"blue\">WARNING: ".
5589: "Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb.
5590: "</font>");
5591: }
5592: return $token;
5593: }
5594:
5595: # ------------------------------------------------------------ Check in an item
5596:
5597: sub checkin {
5598: my $token=shift;
5599: my $now=time;
5600: my ($ta,$tb,$lonhost)=split(/\*/,$token);
5601: $lonhost=~tr/A-Z/a-z/;
5602: my $dtoken=$ta.'_'.&hostname($lonhost).'_'.$tb;
5603: $dtoken=~s/\W/\_/g;
5604: my ($dummy,$tuname,$tudom,$tcrsid,$symb,$chtim,$rmaddr)=
5605: split(/\&/,&unescape(&reply('tmpget:'.$dtoken,$lonhost)));
5606:
5607: unless (($tuname) && ($tudom)) {
5608: &logthis('Check in '.$token.' ('.$dtoken.') failed');
5609: return '';
5610: }
5611:
5612: unless (&allowed('mgr',$tcrsid)) {
5613: &logthis('Check in '.$token.' ('.$dtoken.') unauthorized: '.
5614: $env{'user.name'}.' - '.$env{'user.domain'});
5615: return '';
5616: }
5617:
5618: my %infohash=('resource.0.intoken' => $token,
5619: 'resource.0.checkintime' => $now,
5620: 'resource.0.inremote' => $ENV{'REMOTE_ADDR'});
5621:
5622: unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') {
5623: return '';
5624: }
5625:
5626: if (&log($tudom,$tuname,&homeserver($tuname,$tudom),
5627: &escape('Checkin - '.$token)) ne 'ok') {
5628: return '';
5629: }
5630:
5631: return ($symb,$tuname,$tudom,$tcrsid);
5632: }
5633:
1.110 www 5634: # --------------------------------------------- Set Expire Date for Spreadsheet
5635:
5636: sub expirespread {
5637: my ($uname,$udom,$stype,$usymb)=@_;
1.620 albertel 5638: my $cid=$env{'request.course.id'};
1.110 www 5639: if ($cid) {
5640: my $now=time;
5641: my $key=$uname.':'.$udom.':'.$stype.':'.$usymb;
1.620 albertel 5642: return &reply('put:'.$env{'course.'.$cid.'.domain'}.':'.
5643: $env{'course.'.$cid.'.num'}.
1.110 www 5644: ':nohist_expirationdates:'.
5645: &escape($key).'='.$now,
1.620 albertel 5646: $env{'course.'.$cid.'.home'})
1.110 www 5647: }
5648: return 'ok';
1.14 www 5649: }
5650:
1.109 www 5651: # ----------------------------------------------------- Devalidate Spreadsheets
5652:
5653: sub devalidate {
1.325 www 5654: my ($symb,$uname,$udom)=@_;
1.620 albertel 5655: my $cid=$env{'request.course.id'};
1.109 www 5656: if ($cid) {
1.391 matthew 5657: # delete the stored spreadsheets for
5658: # - the student level sheet of this user in course's homespace
5659: # - the assessment level sheet for this resource
5660: # for this user in user's homespace
1.553 albertel 5661: # - current conditional state info
1.325 www 5662: my $key=$uname.':'.$udom.':';
1.109 www 5663: my $status=
1.299 matthew 5664: &del('nohist_calculatedsheets',
1.391 matthew 5665: [$key.'studentcalc:'],
1.620 albertel 5666: $env{'course.'.$cid.'.domain'},
5667: $env{'course.'.$cid.'.num'})
1.133 albertel 5668: .' '.
5669: &del('nohist_calculatedsheets_'.$cid,
1.391 matthew 5670: [$key.'assesscalc:'.$symb],$udom,$uname);
1.109 www 5671: unless ($status eq 'ok ok') {
5672: &logthis('Could not devalidate spreadsheet '.
1.325 www 5673: $uname.' at '.$udom.' for '.
1.109 www 5674: $symb.': '.$status);
1.133 albertel 5675: }
1.553 albertel 5676: &delenv('user.state.'.$cid);
1.109 www 5677: }
5678: }
5679:
1.265 albertel 5680: sub get_scalar {
5681: my ($string,$end) = @_;
5682: my $value;
5683: if ($$string =~ s/^([^&]*?)($end)/$2/) {
5684: $value = $1;
5685: } elsif ($$string =~ s/^([^&]*?)&//) {
5686: $value = $1;
5687: }
5688: return &unescape($value);
5689: }
5690:
5691: sub array2str {
5692: my (@array) = @_;
5693: my $result=&arrayref2str(\@array);
5694: $result=~s/^__ARRAY_REF__//;
5695: $result=~s/__END_ARRAY_REF__$//;
5696: return $result;
5697: }
5698:
1.204 albertel 5699: sub arrayref2str {
5700: my ($arrayref) = @_;
1.265 albertel 5701: my $result='__ARRAY_REF__';
1.204 albertel 5702: foreach my $elem (@$arrayref) {
1.265 albertel 5703: if(ref($elem) eq 'ARRAY') {
5704: $result.=&arrayref2str($elem).'&';
5705: } elsif(ref($elem) eq 'HASH') {
5706: $result.=&hashref2str($elem).'&';
5707: } elsif(ref($elem)) {
5708: #print("Got a ref of ".(ref($elem))." skipping.");
1.204 albertel 5709: } else {
5710: $result.=&escape($elem).'&';
5711: }
5712: }
5713: $result=~s/\&$//;
1.265 albertel 5714: $result .= '__END_ARRAY_REF__';
1.204 albertel 5715: return $result;
5716: }
5717:
1.168 albertel 5718: sub hash2str {
1.204 albertel 5719: my (%hash) = @_;
5720: my $result=&hashref2str(\%hash);
1.265 albertel 5721: $result=~s/^__HASH_REF__//;
5722: $result=~s/__END_HASH_REF__$//;
1.204 albertel 5723: return $result;
5724: }
5725:
5726: sub hashref2str {
5727: my ($hashref)=@_;
1.265 albertel 5728: my $result='__HASH_REF__';
1.800 albertel 5729: foreach my $key (sort(keys(%$hashref))) {
5730: if (ref($key) eq 'ARRAY') {
5731: $result.=&arrayref2str($key).'=';
5732: } elsif (ref($key) eq 'HASH') {
5733: $result.=&hashref2str($key).'=';
5734: } elsif (ref($key)) {
1.265 albertel 5735: $result.='=';
1.800 albertel 5736: #print("Got a ref of ".(ref($key))." skipping.");
1.204 albertel 5737: } else {
1.1132 raeburn 5738: if (defined($key)) {$result.=&escape($key).'=';} else { last; }
1.204 albertel 5739: }
5740:
1.800 albertel 5741: if(ref($hashref->{$key}) eq 'ARRAY') {
5742: $result.=&arrayref2str($hashref->{$key}).'&';
5743: } elsif(ref($hashref->{$key}) eq 'HASH') {
5744: $result.=&hashref2str($hashref->{$key}).'&';
5745: } elsif(ref($hashref->{$key})) {
1.265 albertel 5746: $result.='&';
1.800 albertel 5747: #print("Got a ref of ".(ref($hashref->{$key}))." skipping.");
1.204 albertel 5748: } else {
1.800 albertel 5749: $result.=&escape($hashref->{$key}).'&';
1.204 albertel 5750: }
5751: }
1.168 albertel 5752: $result=~s/\&$//;
1.265 albertel 5753: $result .= '__END_HASH_REF__';
1.168 albertel 5754: return $result;
5755: }
5756:
5757: sub str2hash {
1.265 albertel 5758: my ($string)=@_;
5759: my ($hash)=&str2hashref('__HASH_REF__'.$string.'__END_HASH_REF__');
5760: return %$hash;
5761: }
5762:
5763: sub str2hashref {
1.168 albertel 5764: my ($string) = @_;
1.265 albertel 5765:
5766: my %hash;
5767:
5768: if($string !~ /^__HASH_REF__/) {
5769: if (! ($string eq '' || !defined($string))) {
5770: $hash{'error'}='Not hash reference';
5771: }
5772: return (\%hash, $string);
5773: }
5774:
5775: $string =~ s/^__HASH_REF__//;
5776:
5777: while($string !~ /^__END_HASH_REF__/) {
5778: #key
5779: my $key='';
5780: if($string =~ /^__HASH_REF__/) {
5781: ($key, $string)=&str2hashref($string);
5782: if(defined($key->{'error'})) {
5783: $hash{'error'}='Bad data';
5784: return (\%hash, $string);
5785: }
5786: } elsif($string =~ /^__ARRAY_REF__/) {
5787: ($key, $string)=&str2arrayref($string);
5788: if($key->[0] eq 'Array reference error') {
5789: $hash{'error'}='Bad data';
5790: return (\%hash, $string);
5791: }
5792: } else {
5793: $string =~ s/^(.*?)=//;
1.267 albertel 5794: $key=&unescape($1);
1.265 albertel 5795: }
5796: $string =~ s/^=//;
5797:
5798: #value
5799: my $value='';
5800: if($string =~ /^__HASH_REF__/) {
5801: ($value, $string)=&str2hashref($string);
5802: if(defined($value->{'error'})) {
5803: $hash{'error'}='Bad data';
5804: return (\%hash, $string);
5805: }
5806: } elsif($string =~ /^__ARRAY_REF__/) {
5807: ($value, $string)=&str2arrayref($string);
5808: if($value->[0] eq 'Array reference error') {
5809: $hash{'error'}='Bad data';
5810: return (\%hash, $string);
5811: }
5812: } else {
5813: $value=&get_scalar(\$string,'__END_HASH_REF__');
5814: }
5815: $string =~ s/^&//;
5816:
5817: $hash{$key}=$value;
1.204 albertel 5818: }
1.265 albertel 5819:
5820: $string =~ s/^__END_HASH_REF__//;
5821:
5822: return (\%hash, $string);
1.204 albertel 5823: }
5824:
5825: sub str2array {
1.265 albertel 5826: my ($string)=@_;
5827: my ($array)=&str2arrayref('__ARRAY_REF__'.$string.'__END_ARRAY_REF__');
5828: return @$array;
5829: }
5830:
5831: sub str2arrayref {
1.204 albertel 5832: my ($string) = @_;
1.265 albertel 5833: my @array;
5834:
5835: if($string !~ /^__ARRAY_REF__/) {
5836: if (! ($string eq '' || !defined($string))) {
5837: $array[0]='Array reference error';
5838: }
5839: return (\@array, $string);
5840: }
5841:
5842: $string =~ s/^__ARRAY_REF__//;
5843:
5844: while($string !~ /^__END_ARRAY_REF__/) {
5845: my $value='';
5846: if($string =~ /^__HASH_REF__/) {
5847: ($value, $string)=&str2hashref($string);
5848: if(defined($value->{'error'})) {
5849: $array[0] ='Array reference error';
5850: return (\@array, $string);
5851: }
5852: } elsif($string =~ /^__ARRAY_REF__/) {
5853: ($value, $string)=&str2arrayref($string);
5854: if($value->[0] eq 'Array reference error') {
5855: $array[0] ='Array reference error';
5856: return (\@array, $string);
5857: }
5858: } else {
5859: $value=&get_scalar(\$string,'__END_ARRAY_REF__');
5860: }
5861: $string =~ s/^&//;
5862:
5863: push(@array, $value);
1.191 harris41 5864: }
1.265 albertel 5865:
5866: $string =~ s/^__END_ARRAY_REF__//;
5867:
5868: return (\@array, $string);
1.168 albertel 5869: }
5870:
1.167 albertel 5871: # -------------------------------------------------------------------Temp Store
5872:
1.168 albertel 5873: sub tmpreset {
5874: my ($symb,$namespace,$domain,$stuname) = @_;
5875: if (!$symb) {
5876: $symb=&symbread();
1.620 albertel 5877: if (!$symb) { $symb= $env{'request.url'}; }
1.168 albertel 5878: }
5879: $symb=escape($symb);
5880:
1.620 albertel 5881: if (!$namespace) { $namespace=$env{'request.state'}; }
1.168 albertel 5882: $namespace=~s/\//\_/g;
5883: $namespace=~s/\W//g;
5884:
1.620 albertel 5885: if (!$domain) { $domain=$env{'user.domain'}; }
5886: if (!$stuname) { $stuname=$env{'user.name'}; }
1.591 albertel 5887: if ($domain eq 'public' && $stuname eq 'public') {
5888: $stuname=$ENV{'REMOTE_ADDR'};
5889: }
1.1117 foxr 5890: my $path=LONCAPA::tempdir();
1.168 albertel 5891: my %hash;
5892: if (tie(%hash,'GDBM_File',
5893: $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db',
1.256 albertel 5894: &GDBM_WRCREAT(),0640)) {
1.1000 raeburn 5895: foreach my $key (keys(%hash)) {
1.180 albertel 5896: if ($key=~ /:$symb/) {
1.168 albertel 5897: delete($hash{$key});
5898: }
5899: }
5900: }
5901: }
5902:
1.167 albertel 5903: sub tmpstore {
1.168 albertel 5904: my ($storehash,$symb,$namespace,$domain,$stuname) = @_;
5905:
5906: if (!$symb) {
5907: $symb=&symbread();
1.620 albertel 5908: if (!$symb) { $symb= $env{'request.url'}; }
1.168 albertel 5909: }
5910: $symb=escape($symb);
5911:
5912: if (!$namespace) {
5913: # I don't think we would ever want to store this for a course.
5914: # it seems this will only be used if we don't have a course.
1.620 albertel 5915: #$namespace=$env{'request.course.id'};
1.168 albertel 5916: #if (!$namespace) {
1.620 albertel 5917: $namespace=$env{'request.state'};
1.168 albertel 5918: #}
5919: }
5920: $namespace=~s/\//\_/g;
5921: $namespace=~s/\W//g;
1.620 albertel 5922: if (!$domain) { $domain=$env{'user.domain'}; }
5923: if (!$stuname) { $stuname=$env{'user.name'}; }
1.591 albertel 5924: if ($domain eq 'public' && $stuname eq 'public') {
5925: $stuname=$ENV{'REMOTE_ADDR'};
5926: }
1.168 albertel 5927: my $now=time;
5928: my %hash;
1.1117 foxr 5929: my $path=LONCAPA::tempdir();
1.168 albertel 5930: if (tie(%hash,'GDBM_File',
5931: $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db',
1.256 albertel 5932: &GDBM_WRCREAT(),0640)) {
1.168 albertel 5933: $hash{"version:$symb"}++;
5934: my $version=$hash{"version:$symb"};
5935: my $allkeys='';
5936: foreach my $key (keys(%$storehash)) {
5937: $allkeys.=$key.':';
1.591 albertel 5938: $hash{"$version:$symb:$key"}=&freeze_escape($$storehash{$key});
1.168 albertel 5939: }
5940: $hash{"$version:$symb:timestamp"}=$now;
5941: $allkeys.='timestamp';
5942: $hash{"$version:keys:$symb"}=$allkeys;
5943: if (untie(%hash)) {
5944: return 'ok';
5945: } else {
5946: return "error:$!";
5947: }
5948: } else {
5949: return "error:$!";
5950: }
5951: }
1.167 albertel 5952:
1.168 albertel 5953: # -----------------------------------------------------------------Temp Restore
1.167 albertel 5954:
1.168 albertel 5955: sub tmprestore {
5956: my ($symb,$namespace,$domain,$stuname) = @_;
1.167 albertel 5957:
1.168 albertel 5958: if (!$symb) {
5959: $symb=&symbread();
1.620 albertel 5960: if (!$symb) { $symb= $env{'request.url'}; }
1.168 albertel 5961: }
5962: $symb=escape($symb);
5963:
1.620 albertel 5964: if (!$namespace) { $namespace=$env{'request.state'}; }
1.591 albertel 5965:
1.620 albertel 5966: if (!$domain) { $domain=$env{'user.domain'}; }
5967: if (!$stuname) { $stuname=$env{'user.name'}; }
1.591 albertel 5968: if ($domain eq 'public' && $stuname eq 'public') {
5969: $stuname=$ENV{'REMOTE_ADDR'};
5970: }
1.168 albertel 5971: my %returnhash;
5972: $namespace=~s/\//\_/g;
5973: $namespace=~s/\W//g;
5974: my %hash;
1.1117 foxr 5975: my $path=LONCAPA::tempdir();
1.168 albertel 5976: if (tie(%hash,'GDBM_File',
5977: $path.'/tmpstore_'.$stuname.'_'.$domain.'_'.$namespace.'.db',
1.256 albertel 5978: &GDBM_READER(),0640)) {
1.168 albertel 5979: my $version=$hash{"version:$symb"};
5980: $returnhash{'version'}=$version;
5981: my $scope;
5982: for ($scope=1;$scope<=$version;$scope++) {
5983: my $vkeys=$hash{"$scope:keys:$symb"};
5984: my @keys=split(/:/,$vkeys);
5985: my $key;
5986: $returnhash{"$scope:keys"}=$vkeys;
5987: foreach $key (@keys) {
1.591 albertel 5988: $returnhash{"$scope:$key"}=&thaw_unescape($hash{"$scope:$symb:$key"});
5989: $returnhash{"$key"}=&thaw_unescape($hash{"$scope:$symb:$key"});
1.167 albertel 5990: }
5991: }
1.168 albertel 5992: if (!(untie(%hash))) {
5993: return "error:$!";
5994: }
5995: } else {
5996: return "error:$!";
5997: }
5998: return %returnhash;
1.167 albertel 5999: }
6000:
1.9 www 6001: # ----------------------------------------------------------------------- Store
6002:
6003: sub store {
1.1172.2.64 raeburn 6004: my ($storehash,$symb,$namespace,$domain,$stuname,$laststore) = @_;
1.124 www 6005: my $home='';
6006:
1.168 albertel 6007: if ($stuname) { $home=&homeserver($stuname,$domain); }
1.124 www 6008:
1.213 www 6009: $symb=&symbclean($symb);
1.122 albertel 6010: if (!$symb) { unless ($symb=&symbread()) { return ''; } }
1.109 www 6011:
1.620 albertel 6012: if (!$domain) { $domain=$env{'user.domain'}; }
6013: if (!$stuname) { $stuname=$env{'user.name'}; }
1.325 www 6014:
6015: &devalidate($symb,$stuname,$domain);
1.109 www 6016:
6017: $symb=escape($symb);
1.187 www 6018: if (!$namespace) {
1.620 albertel 6019: unless ($namespace=$env{'request.course.id'}) {
1.187 www 6020: return '';
6021: }
6022: }
1.620 albertel 6023: if (!$home) { $home=$env{'user.home'}; }
1.447 www 6024:
6025: $$storehash{'ip'}=$ENV{'REMOTE_ADDR'};
6026: $$storehash{'host'}=$perlvar{'lonHostID'};
6027:
1.12 www 6028: my $namevalue='';
1.800 albertel 6029: foreach my $key (keys(%$storehash)) {
6030: $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
1.191 harris41 6031: }
1.12 www 6032: $namevalue=~s/\&$//;
1.187 www 6033: &courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue);
1.1172.2.64 raeburn 6034: return reply("store:$domain:$stuname:$namespace:$symb:$namevalue:$laststore","$home");
1.9 www 6035: }
6036:
1.47 www 6037: # -------------------------------------------------------------- Critical Store
6038:
6039: sub cstore {
1.1172.2.64 raeburn 6040: my ($storehash,$symb,$namespace,$domain,$stuname,$laststore) = @_;
1.124 www 6041: my $home='';
6042:
1.168 albertel 6043: if ($stuname) { $home=&homeserver($stuname,$domain); }
1.124 www 6044:
1.213 www 6045: $symb=&symbclean($symb);
1.122 albertel 6046: if (!$symb) { unless ($symb=&symbread()) { return ''; } }
1.109 www 6047:
1.620 albertel 6048: if (!$domain) { $domain=$env{'user.domain'}; }
6049: if (!$stuname) { $stuname=$env{'user.name'}; }
1.325 www 6050:
6051: &devalidate($symb,$stuname,$domain);
1.109 www 6052:
6053: $symb=escape($symb);
1.187 www 6054: if (!$namespace) {
1.620 albertel 6055: unless ($namespace=$env{'request.course.id'}) {
1.187 www 6056: return '';
6057: }
6058: }
1.620 albertel 6059: if (!$home) { $home=$env{'user.home'}; }
1.447 www 6060:
6061: $$storehash{'ip'}=$ENV{'REMOTE_ADDR'};
6062: $$storehash{'host'}=$perlvar{'lonHostID'};
1.122 albertel 6063:
1.47 www 6064: my $namevalue='';
1.800 albertel 6065: foreach my $key (keys(%$storehash)) {
6066: $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
1.191 harris41 6067: }
1.47 www 6068: $namevalue=~s/\&$//;
1.187 www 6069: &courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue);
1.188 www 6070: return critical
1.1172.2.64 raeburn 6071: ("store:$domain:$stuname:$namespace:$symb:$namevalue:$laststore","$home");
1.47 www 6072: }
6073:
1.9 www 6074: # --------------------------------------------------------------------- Restore
6075:
6076: sub restore {
1.124 www 6077: my ($symb,$namespace,$domain,$stuname) = @_;
6078: my $home='';
6079:
1.168 albertel 6080: if ($stuname) { $home=&homeserver($stuname,$domain); }
1.124 www 6081:
1.122 albertel 6082: if (!$symb) {
1.1172.2.26 raeburn 6083: return if ($namespace eq 'courserequests');
6084: unless ($symb=escape(&symbread())) { return ''; }
1.122 albertel 6085: } else {
1.1172.2.26 raeburn 6086: unless ($namespace eq 'courserequests') {
6087: $symb=&escape(&symbclean($symb));
6088: }
1.122 albertel 6089: }
1.188 www 6090: if (!$namespace) {
1.620 albertel 6091: unless ($namespace=$env{'request.course.id'}) {
1.188 www 6092: return '';
6093: }
6094: }
1.620 albertel 6095: if (!$domain) { $domain=$env{'user.domain'}; }
6096: if (!$stuname) { $stuname=$env{'user.name'}; }
6097: if (!$home) { $home=$env{'user.home'}; }
1.122 albertel 6098: my $answer=&reply("restore:$domain:$stuname:$namespace:$symb","$home");
6099:
1.12 www 6100: my %returnhash=();
1.800 albertel 6101: foreach my $line (split(/\&/,$answer)) {
6102: my ($name,$value)=split(/\=/,$line);
1.591 albertel 6103: $returnhash{&unescape($name)}=&thaw_unescape($value);
1.191 harris41 6104: }
1.75 www 6105: my $version;
6106: for ($version=1;$version<=$returnhash{'version'};$version++) {
1.800 albertel 6107: foreach my $item (split(/\:/,$returnhash{$version.':keys'})) {
6108: $returnhash{$item}=$returnhash{$version.':'.$item};
1.191 harris41 6109: }
1.75 www 6110: }
1.13 www 6111: return %returnhash;
1.34 www 6112: }
6113:
6114: # ---------------------------------------------------------- Course Description
1.1118 foxr 6115: #
6116: #
1.34 www 6117:
6118: sub coursedescription {
1.731 albertel 6119: my ($courseid,$args)=@_;
1.34 www 6120: $courseid=~s/^\///;
1.49 www 6121: $courseid=~s/\_/\//g;
1.34 www 6122: my ($cdomain,$cnum)=split(/\//,$courseid);
1.129 albertel 6123: my $chome=&homeserver($cnum,$cdomain);
1.302 albertel 6124: my $normalid=$cdomain.'_'.$cnum;
6125: # need to always cache even if we get errors otherwise we keep
6126: # trying and trying and trying to get the course description.
6127: my %envhash=();
6128: my %returnhash=();
1.731 albertel 6129:
6130: my $expiretime=600;
6131: if ($env{'request.course.id'} eq $normalid) {
6132: $expiretime=120;
6133: }
6134:
6135: my $prefix='course.'.$cdomain.'_'.$cnum.'.';
6136: if (!$args->{'freshen_cache'}
6137: && ((time-$env{$prefix.'last_cache'}) < $expiretime) ) {
6138: foreach my $key (keys(%env)) {
6139: next if ($key !~ /^\Q$prefix\E(.*)/);
6140: my ($setting) = $1;
6141: $returnhash{$setting} = $env{$key};
6142: }
6143: return %returnhash;
6144: }
6145:
1.1118 foxr 6146: # get the data again
6147:
1.731 albertel 6148: if (!$args->{'one_time'}) {
6149: $envhash{'course.'.$normalid.'.last_cache'}=time;
6150: }
1.811 albertel 6151:
1.34 www 6152: if ($chome ne 'no_host') {
1.302 albertel 6153: %returnhash=&dump('environment',$cdomain,$cnum);
1.129 albertel 6154: if (!exists($returnhash{'con_lost'})) {
1.1118 foxr 6155: my $username = $env{'user.name'}; # Defult username
6156: if(defined $args->{'user'}) {
6157: $username = $args->{'user'};
6158: }
1.129 albertel 6159: $returnhash{'home'}= $chome;
6160: $returnhash{'domain'} = $cdomain;
6161: $returnhash{'num'} = $cnum;
1.741 raeburn 6162: if (!defined($returnhash{'type'})) {
6163: $returnhash{'type'} = 'Course';
6164: }
1.130 albertel 6165: while (my ($name,$value) = each %returnhash) {
1.53 www 6166: $envhash{'course.'.$normalid.'.'.$name}=$value;
1.129 albertel 6167: }
1.270 www 6168: $returnhash{'url'}=&clutter($returnhash{'url'});
1.1117 foxr 6169: $returnhash{'fn'}=LONCAPA::tempdir() .
1.1118 foxr 6170: $username.'_'.$cdomain.'_'.$cnum;
1.60 www 6171: $envhash{'course.'.$normalid.'.home'}=$chome;
6172: $envhash{'course.'.$normalid.'.domain'}=$cdomain;
6173: $envhash{'course.'.$normalid.'.num'}=$cnum;
1.34 www 6174: }
6175: }
1.731 albertel 6176: if (!$args->{'one_time'}) {
1.949 raeburn 6177: &appenv(\%envhash);
1.731 albertel 6178: }
1.302 albertel 6179: return %returnhash;
1.461 www 6180: }
6181:
1.1080 raeburn 6182: sub update_released_required {
6183: my ($needsrelease,$cdom,$cnum,$chome,$cid) = @_;
6184: if ($cdom eq '' || $cnum eq '' || $chome eq '' || $cid eq '') {
6185: $cid = $env{'request.course.id'};
6186: $cdom = $env{'course.'.$cid.'.domain'};
6187: $cnum = $env{'course.'.$cid.'.num'};
6188: $chome = $env{'course.'.$cid.'.home'};
6189: }
6190: if ($needsrelease) {
6191: my %curr_reqd_hash = &userenvironment($cdom,$cnum,'internal.releaserequired');
6192: my $needsupdate;
6193: if ($curr_reqd_hash{'internal.releaserequired'} eq '') {
6194: $needsupdate = 1;
6195: } else {
6196: my ($currmajor,$currminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'});
6197: my ($needsmajor,$needsminor) = split(/\./,$needsrelease);
6198: if (($currmajor < $needsmajor) || ($currmajor == $needsmajor && $currminor < $needsminor)) {
6199: $needsupdate = 1;
6200: }
6201: }
6202: if ($needsupdate) {
6203: my %needshash = (
6204: 'internal.releaserequired' => $needsrelease,
6205: );
6206: my $putresult = &put('environment',\%needshash,$cdom,$cnum);
6207: if ($putresult eq 'ok') {
6208: &appenv({'course.'.$cid.'.internal.releaserequired' => $needsrelease});
6209: my %crsinfo = &courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
6210: if (ref($crsinfo{$cid}) eq 'HASH') {
6211: $crsinfo{$cid}{'releaserequired'} = $needsrelease;
6212: &courseidput($cdom,\%crsinfo,$chome,'notime');
6213: }
6214: }
6215: }
6216: }
6217: return;
6218: }
6219:
1.461 www 6220: # -------------------------------------------------See if a user is privileged
6221:
6222: sub privileged {
1.1172.2.23 raeburn 6223: my ($username,$domain,$possdomains,$possroles)=@_;
1.1170 droeschl 6224: my $now = time;
1.1172.2.23 raeburn 6225: my $roles;
6226: if (ref($possroles) eq 'ARRAY') {
6227: $roles = $possroles;
6228: } else {
6229: $roles = ['dc','su'];
6230: }
6231: if (ref($possdomains) eq 'ARRAY') {
6232: my %privileged = &privileged_by_domain($possdomains,$roles);
6233: foreach my $dom (@{$possdomains}) {
6234: if (($username =~ /^$match_username$/) && ($domain =~ /^$match_domain$/) &&
6235: (ref($privileged{$dom}) eq 'HASH')) {
6236: foreach my $role (@{$roles}) {
6237: if (ref($privileged{$dom}{$role}) eq 'HASH') {
6238: if (exists($privileged{$dom}{$role}{$username.':'.$domain})) {
6239: my ($end,$start) = split(/:/,$privileged{$dom}{$role}{$username.':'.$domain});
6240: return 1 unless (($end && $end < $now) ||
6241: ($start && $start > $now));
6242: }
6243: }
6244: }
6245: }
6246: }
6247: } else {
6248: my %rolesdump = &dump("roles", $domain, $username) or return 0;
6249: my $now = time;
1.1170 droeschl 6250:
1.1172.2.58 raeburn 6251: for my $role (@rolesdump{grep { ! /^rolesdef_/ } keys(%rolesdump)}) {
1.1170 droeschl 6252: my ($trole, $tend, $tstart) = split(/_/, $role);
1.1172.2.23 raeburn 6253: if (grep(/^\Q$trole\E$/,@{$roles})) {
6254: return 1 unless ($tend && $tend < $now)
6255: or ($tstart && $tstart > $now);
1.1170 droeschl 6256: }
1.1172.2.23 raeburn 6257: }
6258: }
1.461 www 6259: return 0;
1.9 www 6260: }
1.1 albertel 6261:
1.1172.2.23 raeburn 6262: sub privileged_by_domain {
6263: my ($domains,$roles) = @_;
6264: my %privileged = ();
6265: my $cachetime = 60*60*24;
6266: my $now = time;
6267: unless ((ref($domains) eq 'ARRAY') && (ref($roles) eq 'ARRAY')) {
6268: return %privileged;
6269: }
6270: foreach my $dom (@{$domains}) {
6271: next if (ref($privileged{$dom}) eq 'HASH');
6272: my $needroles;
6273: foreach my $role (@{$roles}) {
6274: my ($result,$cached)=&is_cached_new('priv_'.$role,$dom);
6275: if (defined($cached)) {
6276: if (ref($result) eq 'HASH') {
6277: $privileged{$dom}{$role} = $result;
6278: }
6279: } else {
6280: $needroles = 1;
6281: }
6282: }
6283: if ($needroles) {
6284: my %dompersonnel = &get_domain_roles($dom,$roles);
6285: $privileged{$dom} = {};
6286: foreach my $server (keys(%dompersonnel)) {
6287: if (ref($dompersonnel{$server}) eq 'HASH') {
6288: foreach my $item (keys(%{$dompersonnel{$server}})) {
6289: my ($trole,$uname,$udom,$rest) = split(/:/,$item,4);
6290: my ($end,$start) = split(/:/,$dompersonnel{$server}{$item});
6291: next if ($end && $end < $now);
6292: $privileged{$dom}{$trole}{$uname.':'.$udom} =
6293: $dompersonnel{$server}{$item};
6294: }
6295: }
6296: }
6297: if (ref($privileged{$dom}) eq 'HASH') {
6298: foreach my $role (@{$roles}) {
6299: if (ref($privileged{$dom}{$role}) eq 'HASH') {
6300: &do_cache_new('priv_'.$role,$dom,$privileged{$dom}{$role},$cachetime);
6301: } else {
6302: my %hash = ();
6303: &do_cache_new('priv_'.$role,$dom,\%hash,$cachetime);
6304: }
6305: }
6306: }
6307: }
6308: }
6309: return %privileged;
6310: }
6311:
1.103 harris41 6312: # -------------------------------------------------------- Get user privileges
1.11 www 6313:
6314: sub rolesinit {
1.1169 droeschl 6315: my ($domain, $username) = @_;
6316: my %userroles = ('user.login.time' => time);
6317: my %rolesdump = &dump("roles", $domain, $username) or return \%userroles;
6318:
6319: # firstaccess and timerinterval are related to timed maps/resources.
6320: # also, blocking can be triggered by an activating timer
6321: # it's saved in the user's %env.
6322: my %firstaccess = &dump('firstaccesstimes', $domain, $username);
6323: my %timerinterval = &dump('timerinterval', $domain, $username);
6324: my (%coursetimerstarts, %firstaccchk, %firstaccenv, %coursetimerintervals,
6325: %timerintchk, %timerintenv);
6326:
1.1162 raeburn 6327: foreach my $key (keys(%firstaccess)) {
1.1169 droeschl 6328: my ($cid, $rest) = split(/\0/, $key);
1.1162 raeburn 6329: $coursetimerstarts{$cid}{$rest} = $firstaccess{$key};
6330: }
1.1169 droeschl 6331:
1.1162 raeburn 6332: foreach my $key (keys(%timerinterval)) {
6333: my ($cid,$rest) = split(/\0/,$key);
6334: $coursetimerintervals{$cid}{$rest} = $timerinterval{$key};
6335: }
1.1169 droeschl 6336:
1.11 www 6337: my %allroles=();
1.1162 raeburn 6338: my %allgroups=();
1.11 www 6339:
1.1172.2.58 raeburn 6340: for my $area (grep { ! /^rolesdef_/ } keys(%rolesdump)) {
1.1169 droeschl 6341: my $role = $rolesdump{$area};
6342: $area =~ s/\_\w\w$//;
6343:
6344: my ($trole, $tend, $tstart, $group_privs);
6345:
6346: if ($role =~ /^cr/) {
6347: # Custom role, defined by a user
6348: # e.g., user.role.cr/msu/smith/mynewrole
6349: if ($role =~ m|^(cr/$match_domain/$match_username/[a-zA-Z0-9]+)_(.*)$|) {
6350: $trole = $1;
6351: ($tend, $tstart) = split('_', $2);
6352: } else {
6353: $trole = $role;
6354: }
6355: } elsif ($role =~ m|^gr/|) {
6356: # Role of member in a group, defined within a course/community
6357: # e.g., user.role.gr/msu/04935610a19ee4a5fmsul1/leopards
6358: ($trole, $tend, $tstart) = split(/_/, $role);
6359: next if $tstart eq '-1';
6360: ($trole, $group_privs) = split(/\//, $trole);
6361: $group_privs = &unescape($group_privs);
6362: } else {
6363: # Just a normal role, defined in roles.tab
6364: ($trole, $tend, $tstart) = split(/_/,$role);
6365: }
6366:
6367: my %new_role = &set_arearole($trole,$area,$tstart,$tend,$domain,
6368: $username);
6369: @userroles{keys(%new_role)} = @new_role{keys(%new_role)};
6370:
6371: # role expired or not available yet?
6372: $trole = '' if ($tend != 0 && $tend < $userroles{'user.login.time'}) or
6373: ($tstart != 0 && $tstart > $userroles{'user.login.time'});
6374:
6375: next if $area eq '' or $trole eq '';
6376:
6377: my $spec = "$trole.$area";
6378: my ($tdummy, $tdomain, $trest) = split(/\//, $area);
6379:
6380: if ($trole =~ /^cr\//) {
6381: # Custom role, defined by a user
6382: &custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area);
6383: } elsif ($trole eq 'gr') {
6384: # Role of a member in a group, defined within a course/community
6385: &group_roleprivs(\%allgroups,$area,$group_privs,$tend,$tstart);
6386: next;
6387: } else {
6388: # Normal role, defined in roles.tab
6389: &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area);
6390: }
6391:
6392: my $cid = $tdomain.'_'.$trest;
6393: unless ($firstaccchk{$cid}) {
6394: if (ref($coursetimerstarts{$cid}) eq 'HASH') {
6395: foreach my $item (keys(%{$coursetimerstarts{$cid}})) {
6396: $firstaccenv{'course.'.$cid.'.firstaccess.'.$item} =
6397: $coursetimerstarts{$cid}{$item};
6398: }
6399: }
6400: $firstaccchk{$cid} = 1;
6401: }
6402: unless ($timerintchk{$cid}) {
6403: if (ref($coursetimerintervals{$cid}) eq 'HASH') {
6404: foreach my $item (keys(%{$coursetimerintervals{$cid}})) {
6405: $timerintenv{'course.'.$cid.'.timerinterval.'.$item} =
6406: $coursetimerintervals{$cid}{$item};
1.1162 raeburn 6407: }
1.12 www 6408: }
1.1169 droeschl 6409: $timerintchk{$cid} = 1;
1.191 harris41 6410: }
1.11 www 6411: }
1.1169 droeschl 6412:
1.1172.2.91 raeburn 6413: @userroles{'user.author','user.adv','user.rar'} = &set_userprivs(\%userroles,
6414: \%allroles, \%allgroups);
1.1169 droeschl 6415: $env{'user.adv'} = $userroles{'user.adv'};
1.1172.2.91 raeburn 6416: $env{'user.rar'} = $userroles{'user.rar'};
1.1169 droeschl 6417:
1.1162 raeburn 6418: return (\%userroles,\%firstaccenv,\%timerintenv);
1.11 www 6419: }
6420:
1.567 raeburn 6421: sub set_arearole {
1.1172.2.19 raeburn 6422: my ($trole,$area,$tstart,$tend,$domain,$username,$nolog) = @_;
6423: unless ($nolog) {
1.567 raeburn 6424: # log the associated role with the area
1.1172.2.19 raeburn 6425: &userrolelog($trole,$username,$domain,$area,$tstart,$tend);
6426: }
1.743 albertel 6427: return ('user.role.'.$trole.'.'.$area => $tstart.'.'.$tend);
1.567 raeburn 6428: }
6429:
6430: sub custom_roleprivs {
6431: my ($allroles,$trole,$tdomain,$trest,$spec,$area) = @_;
6432: my ($rdummy,$rdomain,$rauthor,$rrole)=split(/\//,$trole);
1.1172.2.40 raeburn 6433: my $homsvr = &homeserver($rauthor,$rdomain);
1.838 albertel 6434: if (&hostname($homsvr) ne '') {
1.567 raeburn 6435: my ($rdummy,$roledef)=
6436: &get('roles',["rolesdef_$rrole"],$rdomain,$rauthor);
6437: if (($rdummy ne 'con_lost') && ($roledef ne '')) {
6438: my ($syspriv,$dompriv,$coursepriv)=split(/\_/,$roledef);
6439: if (defined($syspriv)) {
1.1043 raeburn 6440: if ($trest =~ /^$match_community$/) {
6441: $syspriv =~ s/bre\&S//;
6442: }
1.567 raeburn 6443: $$allroles{'cm./'}.=':'.$syspriv;
6444: $$allroles{$spec.'./'}.=':'.$syspriv;
6445: }
6446: if ($tdomain ne '') {
6447: if (defined($dompriv)) {
6448: $$allroles{'cm./'.$tdomain.'/'}.=':'.$dompriv;
6449: $$allroles{$spec.'./'.$tdomain.'/'}.=':'.$dompriv;
6450: }
6451: if (($trest ne '') && (defined($coursepriv))) {
1.1172.2.89 raeburn 6452: if ($trole =~ m{^cr/$tdomain/$tdomain\Q-domainconfig\E/([^/]+)$}) {
6453: my $rolename = $1;
6454: $coursepriv = &course_adhocrole_privs($rolename,$tdomain,$trest,$coursepriv);
6455: }
1.567 raeburn 6456: $$allroles{'cm.'.$area}.=':'.$coursepriv;
6457: $$allroles{$spec.'.'.$area}.=':'.$coursepriv;
6458: }
6459: }
6460: }
6461: }
6462: }
6463:
1.1172.2.89 raeburn 6464: sub course_adhocrole_privs {
6465: my ($rolename,$cdom,$cnum,$coursepriv) = @_;
6466: my %overrides = &get('environment',["internal.adhocpriv.$rolename"],$cdom,$cnum);
6467: if ($overrides{"internal.adhocpriv.$rolename"}) {
6468: my (%currprivs,%storeprivs);
6469: foreach my $item (split(/:/,$coursepriv)) {
6470: my ($priv,$restrict) = split(/\&/,$item);
6471: $currprivs{$priv} = $restrict;
6472: }
6473: my (%possadd,%possremove,%full);
6474: foreach my $item (split(/\:/,$Apache::lonnet::pr{'cr:c'})) {
6475: my ($priv,$restrict)=split(/\&/,$item);
6476: $full{$priv} = $restrict;
6477: }
6478: foreach my $item (split(/,/,$overrides{"internal.adhocpriv.$rolename"})) {
6479: next if ($item eq '');
6480: my ($rule,$rest) = split(/=/,$item);
6481: next unless (($rule eq 'off') || ($rule eq 'on'));
6482: foreach my $priv (split(/:/,$rest)) {
6483: if ($priv ne '') {
6484: if ($rule eq 'off') {
6485: $possremove{$priv} = 1;
6486: } else {
6487: $possadd{$priv} = 1;
6488: }
6489: }
6490: }
6491: }
6492: foreach my $priv (sort(keys(%full))) {
6493: if (exists($currprivs{$priv})) {
6494: unless (exists($possremove{$priv})) {
6495: $storeprivs{$priv} = $currprivs{$priv};
6496: }
6497: } elsif (exists($possadd{$priv})) {
6498: $storeprivs{$priv} = $full{$priv};
6499: }
6500: }
6501: $coursepriv = ':'.join(':',map { $_.'&'.$storeprivs{$_}; } sort(keys(%storeprivs)));
6502: }
6503: return $coursepriv;
6504: }
6505:
1.678 raeburn 6506: sub group_roleprivs {
6507: my ($allgroups,$area,$group_privs,$tend,$tstart) = @_;
6508: my $access = 1;
6509: my $now = time;
6510: if (($tend!=0) && ($tend<$now)) { $access = 0; }
6511: if (($tstart!=0) && ($tstart>$now)) { $access=0; }
6512: if ($access) {
1.811 albertel 6513: my ($course,$group) = ($area =~ m|(/$match_domain/$match_courseid)/([^/]+)$|);
1.678 raeburn 6514: $$allgroups{$course}{$group} .=':'.$group_privs;
6515: }
6516: }
1.567 raeburn 6517:
6518: sub standard_roleprivs {
6519: my ($allroles,$trole,$tdomain,$spec,$trest,$area) = @_;
6520: if (defined($pr{$trole.':s'})) {
6521: $$allroles{'cm./'}.=':'.$pr{$trole.':s'};
6522: $$allroles{$spec.'./'}.=':'.$pr{$trole.':s'};
6523: }
6524: if ($tdomain ne '') {
6525: if (defined($pr{$trole.':d'})) {
6526: $$allroles{'cm./'.$tdomain.'/'}.=':'.$pr{$trole.':d'};
6527: $$allroles{$spec.'./'.$tdomain.'/'}.=':'.$pr{$trole.':d'};
6528: }
6529: if (($trest ne '') && (defined($pr{$trole.':c'}))) {
6530: $$allroles{'cm.'.$area}.=':'.$pr{$trole.':c'};
6531: $$allroles{$spec.'.'.$area}.=':'.$pr{$trole.':c'};
6532: }
6533: }
6534: }
6535:
6536: sub set_userprivs {
1.1064 raeburn 6537: my ($userroles,$allroles,$allgroups,$groups_roles) = @_;
1.567 raeburn 6538: my $author=0;
6539: my $adv=0;
1.1172.2.91 raeburn 6540: my $rar=0;
1.678 raeburn 6541: my %grouproles = ();
6542: if (keys(%{$allgroups}) > 0) {
1.1064 raeburn 6543: my @groupkeys;
1.1000 raeburn 6544: foreach my $role (keys(%{$allroles})) {
1.1064 raeburn 6545: push(@groupkeys,$role);
6546: }
6547: if (ref($groups_roles) eq 'HASH') {
6548: foreach my $key (keys(%{$groups_roles})) {
6549: unless (grep(/^\Q$key\E$/,@groupkeys)) {
6550: push(@groupkeys,$key);
6551: }
6552: }
6553: }
6554: if (@groupkeys > 0) {
6555: foreach my $role (@groupkeys) {
6556: my ($trole,$area,$sec,$extendedarea);
6557: if ($role =~ m-^(\w+|cr/$match_domain/$match_username/\w+)\.(/$match_domain/$match_courseid)(/?\w*)\.-) {
6558: $trole = $1;
6559: $area = $2;
6560: $sec = $3;
6561: $extendedarea = $area.$sec;
6562: if (exists($$allgroups{$area})) {
6563: foreach my $group (keys(%{$$allgroups{$area}})) {
6564: my $spec = $trole.'.'.$extendedarea;
6565: $grouproles{$spec.'.'.$area.'/'.$group} =
1.681 raeburn 6566: $$allgroups{$area}{$group};
1.1064 raeburn 6567: }
1.678 raeburn 6568: }
6569: }
6570: }
6571: }
6572: }
1.800 albertel 6573: foreach my $group (keys(%grouproles)) {
6574: $$allroles{$group} = $grouproles{$group};
1.678 raeburn 6575: }
1.800 albertel 6576: foreach my $role (keys(%{$allroles})) {
6577: my %thesepriv;
1.941 raeburn 6578: if (($role=~/^au/) || ($role=~/^ca/) || ($role=~/^aa/)) { $author=1; }
1.800 albertel 6579: foreach my $item (split(/:/,$$allroles{$role})) {
6580: if ($item ne '') {
6581: my ($privilege,$restrictions)=split(/&/,$item);
1.567 raeburn 6582: if ($restrictions eq '') {
6583: $thesepriv{$privilege}='F';
6584: } elsif ($thesepriv{$privilege} ne 'F') {
6585: $thesepriv{$privilege}.=$restrictions;
6586: }
6587: if ($thesepriv{'adv'} eq 'F') { $adv=1; }
1.1172.2.91 raeburn 6588: if ($thesepriv{'rar'} eq 'F') { $rar=1; }
1.567 raeburn 6589: }
6590: }
6591: my $thesestr='';
1.1104 raeburn 6592: foreach my $priv (sort(keys(%thesepriv))) {
1.800 albertel 6593: $thesestr.=':'.$priv.'&'.$thesepriv{$priv};
6594: }
6595: $userroles->{'user.priv.'.$role} = $thesestr;
1.567 raeburn 6596: }
1.1172.2.91 raeburn 6597: return ($author,$adv,$rar);
1.567 raeburn 6598: }
6599:
1.994 raeburn 6600: sub role_status {
1.1104 raeburn 6601: my ($rolekey,$update,$refresh,$now,$role,$where,$trolecode,$tstatus,$tstart,$tend) = @_;
1.994 raeburn 6602: if (exists($env{$rolekey}) && $env{$rolekey} ne '') {
1.1172.2.40 raeburn 6603: my ($one,$two) = split(m{\./},$rolekey,2);
6604: (undef,undef,$$role) = split(/\./,$one,3);
1.994 raeburn 6605: unless (!defined($$role) || $$role eq '') {
1.1172.2.40 raeburn 6606: $$where = '/'.$two;
1.994 raeburn 6607: $$trolecode=$$role.'.'.$$where;
6608: ($$tstart,$$tend)=split(/\./,$env{$rolekey});
6609: $$tstatus='is';
1.1104 raeburn 6610: if ($$tstart && $$tstart>$update) {
1.994 raeburn 6611: $$tstatus='future';
1.1034 raeburn 6612: if ($$tstart<$now) {
6613: if ($$tstart && $$tstart>$refresh) {
1.1002 raeburn 6614: if (($$where ne '') && ($$role ne '')) {
1.1064 raeburn 6615: my (%allroles,%allgroups,$group_privs,
6616: %groups_roles,@rolecodes);
1.1002 raeburn 6617: my %userroles = (
6618: 'user.role.'.$$role.'.'.$$where => $$tstart.'.'.$$tend
6619: );
1.1064 raeburn 6620: @rolecodes = ('cm');
1.1002 raeburn 6621: my $spec=$$role.'.'.$$where;
6622: my ($tdummy,$tdomain,$trest)=split(/\//,$$where);
6623: if ($$role =~ /^cr\//) {
6624: &custom_roleprivs(\%allroles,$$role,$tdomain,$trest,$spec,$$where);
1.1064 raeburn 6625: push(@rolecodes,'cr');
1.1002 raeburn 6626: } elsif ($$role eq 'gr') {
1.1064 raeburn 6627: push(@rolecodes,$$role);
1.1002 raeburn 6628: my %rolehash = &get('roles',[$$where.'_'.$$role],$env{'user.domain'},
6629: $env{'user.name'});
1.1064 raeburn 6630: my ($trole) = split('_',$rolehash{$$where.'_'.$$role},2);
1.1002 raeburn 6631: (undef,my $group_privs) = split(/\//,$trole);
6632: $group_privs = &unescape($group_privs);
6633: &group_roleprivs(\%allgroups,$$where,$group_privs,$$tend,$$tstart);
1.1064 raeburn 6634: my %course_roles = &get_my_roles($env{'user.name'},$env{'user.domain'},'userroles',['active'],['cc','co','in','ta','ep','ad','st','cr'],[$tdomain],1);
1.1104 raeburn 6635: &get_groups_roles($tdomain,$trest,
6636: \%course_roles,\@rolecodes,
6637: \%groups_roles);
1.1002 raeburn 6638: } else {
1.1064 raeburn 6639: push(@rolecodes,$$role);
1.1002 raeburn 6640: &standard_roleprivs(\%allroles,$$role,$tdomain,$spec,$trest,$$where);
6641: }
1.1172.2.91 raeburn 6642: my ($author,$adv,$rar)= &set_userprivs(\%userroles,\%allroles,\%allgroups,
6643: \%groups_roles);
1.1064 raeburn 6644: &appenv(\%userroles,\@rolecodes);
1.1172.2.92 raeburn 6645: &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$spec);
1.1002 raeburn 6646: }
6647: }
1.1034 raeburn 6648: $$tstatus = 'is';
1.1002 raeburn 6649: }
1.994 raeburn 6650: }
6651: if ($$tend) {
1.1104 raeburn 6652: if ($$tend<$update) {
1.994 raeburn 6653: $$tstatus='expired';
6654: } elsif ($$tend<$now) {
6655: $$tstatus='will_not';
6656: }
6657: }
6658: }
6659: }
6660: }
6661:
1.1104 raeburn 6662: sub get_groups_roles {
6663: my ($cdom,$rest,$cdom_courseroles,$rolecodes,$groups_roles) = @_;
6664: return unless((ref($cdom_courseroles) eq 'HASH') &&
6665: (ref($rolecodes) eq 'ARRAY') &&
6666: (ref($groups_roles) eq 'HASH'));
6667: if (keys(%{$cdom_courseroles}) > 0) {
6668: my ($cnum) = ($rest =~ /^($match_courseid)/);
6669: if ($cdom ne '' && $cnum ne '') {
6670: foreach my $key (keys(%{$cdom_courseroles})) {
6671: if ($key =~ /^\Q$cnum\E:\Q$cdom\E:([^:]+):?([^:]*)/) {
6672: my $crsrole = $1;
6673: my $crssec = $2;
6674: if ($crsrole =~ /^cr/) {
6675: unless (grep(/^cr$/,@{$rolecodes})) {
6676: push(@{$rolecodes},'cr');
6677: }
6678: } else {
6679: unless(grep(/^\Q$crsrole\E$/,@{$rolecodes})) {
6680: push(@{$rolecodes},$crsrole);
6681: }
6682: }
6683: my $rolekey = "$crsrole./$cdom/$cnum";
6684: if ($crssec ne '') {
6685: $rolekey .= "/$crssec";
6686: }
6687: $rolekey .= './';
6688: $groups_roles->{$rolekey} = $rolecodes;
6689: }
6690: }
6691: }
6692: }
6693: return;
6694: }
6695:
6696: sub delete_env_groupprivs {
6697: my ($where,$courseroles,$possroles) = @_;
6698: return unless((ref($courseroles) eq 'HASH') && (ref($possroles) eq 'ARRAY'));
6699: my ($dummy,$udom,$uname,$group) = split(/\//,$where);
6700: unless (ref($courseroles->{$udom}) eq 'HASH') {
6701: %{$courseroles->{$udom}} =
6702: &get_my_roles('','','userroles',['active'],
6703: $possroles,[$udom],1);
6704: }
6705: if (ref($courseroles->{$udom}) eq 'HASH') {
6706: foreach my $item (keys(%{$courseroles->{$udom}})) {
6707: my ($cnum,$cdom,$crsrole,$crssec) = split(/:/,$item);
6708: my $area = '/'.$cdom.'/'.$cnum;
6709: my $privkey = "user.priv.$crsrole.$area";
6710: if ($crssec ne '') {
6711: $privkey .= '/'.$crssec;
6712: }
6713: $privkey .= ".$area/$group";
6714: &Apache::lonnet::delenv($privkey,undef,[$crsrole]);
6715: }
6716: }
6717: return;
6718: }
6719:
1.994 raeburn 6720: sub check_adhoc_privs {
1.1172.2.86 raeburn 6721: my ($cdom,$cnum,$update,$refresh,$now,$checkrole,$caller,$sec) = @_;
1.994 raeburn 6722: my $cckey = 'user.role.'.$checkrole.'./'.$cdom.'/'.$cnum;
1.1172.2.86 raeburn 6723: if ($sec) {
6724: $cckey .= '/'.$sec;
6725: }
1.1172.2.9 raeburn 6726: my $setprivs;
1.994 raeburn 6727: if ($env{$cckey}) {
6728: my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend);
1.1104 raeburn 6729: &role_status($cckey,$update,$refresh,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend);
1.994 raeburn 6730: unless (($tstatus eq 'is') || ($tstatus eq 'will_not')) {
1.1172.2.86 raeburn 6731: &set_adhoc_privileges($cdom,$cnum,$checkrole,$caller,$sec);
1.1172.2.9 raeburn 6732: $setprivs = 1;
1.994 raeburn 6733: }
6734: } else {
1.1172.2.87 raeburn 6735: &set_adhoc_privileges($cdom,$cnum,$checkrole,$caller,$sec);
1.1172.2.9 raeburn 6736: $setprivs = 1;
1.994 raeburn 6737: }
1.1172.2.9 raeburn 6738: return $setprivs;
1.994 raeburn 6739: }
6740:
6741: sub set_adhoc_privileges {
1.1172.2.84 raeburn 6742: # role can be cc, ca, or cr/<dom>/<dom>-domainconfig/role
1.1172.2.86 raeburn 6743: my ($dcdom,$pickedcourse,$role,$caller,$sec) = @_;
1.994 raeburn 6744: my $area = '/'.$dcdom.'/'.$pickedcourse;
1.1172.2.86 raeburn 6745: if ($sec ne '') {
6746: $area .= '/'.$sec;
6747: }
1.994 raeburn 6748: my $spec = $role.'.'.$area;
6749: my %userroles = &set_arearole($role,$area,'','',$env{'user.domain'},
1.1172.2.19 raeburn 6750: $env{'user.name'},1);
1.1172.2.84 raeburn 6751: my %rolehash = ();
1.1172.2.89 raeburn 6752: if ($role =~ m{^\Qcr/$dcdom/$dcdom\E\-domainconfig/(\w+)$}) {
6753: my $rolename = $1;
1.1172.2.84 raeburn 6754: &custom_roleprivs(\%rolehash,$role,$dcdom,$pickedcourse,$spec,$area);
1.1172.2.89 raeburn 6755: my %domdef = &get_domain_defaults($dcdom);
6756: if (ref($domdef{'adhocroles'}) eq 'HASH') {
6757: if (ref($domdef{'adhocroles'}{$rolename}) eq 'HASH') {
6758: &appenv({'request.role.desc' => $domdef{'adhocroles'}{$rolename}{'desc'},});
6759: }
6760: }
1.1172.2.84 raeburn 6761: } else {
6762: &standard_roleprivs(\%rolehash,$role,$dcdom,$spec,$pickedcourse,$area);
6763: }
1.1172.2.91 raeburn 6764: my ($author,$adv,$rar)= &set_userprivs(\%userroles,\%rolehash);
1.994 raeburn 6765: &appenv(\%userroles,[$role,'cm']);
1.1172.2.92 raeburn 6766: &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$spec);
1.1088 raeburn 6767: unless ($caller eq 'constructaccess' && $env{'request.course.id'}) {
6768: &appenv( {'request.role' => $spec,
6769: 'request.role.domain' => $dcdom,
1.1172.2.89 raeburn 6770: 'request.course.sec' => $sec,
1.1088 raeburn 6771: }
6772: );
6773: my $tadv=0;
6774: if (&allowed('adv') eq 'F') { $tadv=1; }
6775: &appenv({'request.role.adv' => $tadv});
6776: }
1.994 raeburn 6777: }
6778:
1.12 www 6779: # --------------------------------------------------------------- get interface
6780:
6781: sub get {
1.131 albertel 6782: my ($namespace,$storearr,$udomain,$uname)=@_;
1.12 www 6783: my $items='';
1.800 albertel 6784: foreach my $item (@$storearr) {
6785: $items.=&escape($item).'&';
1.191 harris41 6786: }
1.12 www 6787: $items=~s/\&$//;
1.620 albertel 6788: if (!$udomain) { $udomain=$env{'user.domain'}; }
6789: if (!$uname) { $uname=$env{'user.name'}; }
1.131 albertel 6790: my $uhome=&homeserver($uname,$udomain);
6791:
1.133 albertel 6792: my $rep=&reply("get:$udomain:$uname:$namespace:$items",$uhome);
1.15 www 6793: my @pairs=split(/\&/,$rep);
1.273 albertel 6794: if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) {
6795: return @pairs;
6796: }
1.15 www 6797: my %returnhash=();
1.42 www 6798: my $i=0;
1.800 albertel 6799: foreach my $item (@$storearr) {
6800: $returnhash{$item}=&thaw_unescape($pairs[$i]);
1.42 www 6801: $i++;
1.191 harris41 6802: }
1.15 www 6803: return %returnhash;
1.27 www 6804: }
6805:
6806: # --------------------------------------------------------------- del interface
6807:
6808: sub del {
1.133 albertel 6809: my ($namespace,$storearr,$udomain,$uname)=@_;
1.27 www 6810: my $items='';
1.800 albertel 6811: foreach my $item (@$storearr) {
6812: $items.=&escape($item).'&';
1.191 harris41 6813: }
1.984 neumanie 6814:
1.27 www 6815: $items=~s/\&$//;
1.620 albertel 6816: if (!$udomain) { $udomain=$env{'user.domain'}; }
6817: if (!$uname) { $uname=$env{'user.name'}; }
1.133 albertel 6818: my $uhome=&homeserver($uname,$udomain);
6819: return &reply("del:$udomain:$uname:$namespace:$items",$uhome);
1.15 www 6820: }
6821:
6822: # -------------------------------------------------------------- dump interface
6823:
1.1172.2.22 raeburn 6824: sub unserialize {
6825: my ($rep, $escapedkeys) = @_;
6826:
6827: return {} if $rep =~ /^error/;
6828:
6829: my %returnhash=();
6830: foreach my $item (split(/\&/,$rep)) {
6831: my ($key, $value) = split(/=/, $item, 2);
6832: $key = unescape($key) unless $escapedkeys;
6833: next if $key =~ /^error: 2 /;
6834: $returnhash{$key} = &thaw_unescape($value);
6835: }
6836: return \%returnhash;
6837: }
6838:
6839: # see Lond::dump_with_regexp
6840: # if $escapedkeys hash keys won't get unescaped.
1.15 www 6841: sub dump {
1.1172.2.22 raeburn 6842: my ($namespace,$udomain,$uname,$regexp,$range,$escapedkeys)=@_;
1.755 albertel 6843: if (!$udomain) { $udomain=$env{'user.domain'}; }
6844: if (!$uname) { $uname=$env{'user.name'}; }
6845: my $uhome=&homeserver($uname,$udomain);
1.1167 droeschl 6846:
1.1172.2.55 raeburn 6847: if ($regexp) {
6848: $regexp=&escape($regexp);
6849: } else {
6850: $regexp='.';
6851: }
1.1172.2.22 raeburn 6852: if (grep { $_ eq $uhome } ¤t_machine_ids()) {
6853: # user is hosted on this machine
1.1172.2.55 raeburn 6854: my $reply = LONCAPA::Lond::dump_with_regexp(join(':', ($udomain,
1.1172.2.27 raeburn 6855: $uname, $namespace, $regexp, $range)), $perlvar{'lonVersion'});
1.1172.2.22 raeburn 6856: return %{&unserialize($reply, $escapedkeys)};
6857: }
1.1166 raeburn 6858: my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome);
1.755 albertel 6859: my @pairs=split(/\&/,$rep);
6860: my %returnhash=();
1.1098 foxr 6861: if (!($rep =~ /^error/ )) {
6862: foreach my $item (@pairs) {
6863: my ($key,$value)=split(/=/,$item,2);
1.1172.2.22 raeburn 6864: $key = &unescape($key) unless ($escapedkeys);
1.1098 foxr 6865: next if ($key =~ /^error: 2 /);
6866: $returnhash{$key}=&thaw_unescape($value);
6867: }
1.755 albertel 6868: }
6869: return %returnhash;
1.407 www 6870: }
6871:
1.1098 foxr 6872:
1.717 albertel 6873: # --------------------------------------------------------- dumpstore interface
6874:
6875: sub dumpstore {
6876: my ($namespace,$udomain,$uname,$regexp,$range)=@_;
1.1172.2.22 raeburn 6877: # same as dump but keys must be escaped. They may contain colon separated
6878: # lists of values that may themself contain colons (e.g. symbs).
6879: return &dump($namespace, $udomain, $uname, $regexp, $range, 1);
1.717 albertel 6880: }
6881:
1.407 www 6882: # -------------------------------------------------------------- keys interface
6883:
6884: sub getkeys {
6885: my ($namespace,$udomain,$uname)=@_;
1.620 albertel 6886: if (!$udomain) { $udomain=$env{'user.domain'}; }
6887: if (!$uname) { $uname=$env{'user.name'}; }
1.407 www 6888: my $uhome=&homeserver($uname,$udomain);
6889: my $rep=reply("keys:$udomain:$uname:$namespace",$uhome);
6890: my @keyarray=();
1.800 albertel 6891: foreach my $key (split(/\&/,$rep)) {
1.812 raeburn 6892: next if ($key =~ /^error: 2 /);
1.800 albertel 6893: push(@keyarray,&unescape($key));
1.407 www 6894: }
6895: return @keyarray;
1.318 matthew 6896: }
6897:
1.319 matthew 6898: # --------------------------------------------------------------- currentdump
6899: sub currentdump {
1.328 matthew 6900: my ($courseid,$sdom,$sname)=@_;
1.620 albertel 6901: $courseid = $env{'request.course.id'} if (! defined($courseid));
6902: $sdom = $env{'user.domain'} if (! defined($sdom));
6903: $sname = $env{'user.name'} if (! defined($sname));
1.326 matthew 6904: my $uhome = &homeserver($sname,$sdom);
1.1172.2.50 raeburn 6905: my $rep;
6906:
6907: if (grep { $_ eq $uhome } current_machine_ids()) {
6908: $rep = LONCAPA::Lond::dump_profile_database(join(":", ($sdom, $sname,
6909: $courseid)));
6910: } else {
6911: $rep = reply('currentdump:'.$sdom.':'.$sname.':'.$courseid,$uhome);
6912: }
6913:
1.318 matthew 6914: return if ($rep =~ /^(error:|no_such_host)/);
1.319 matthew 6915: #
1.318 matthew 6916: my %returnhash=();
1.319 matthew 6917: #
1.1172.2.118. .1(raebu 6918:20): if ($rep eq 'unknown_cmd') {
1.319 matthew 6919: # an old lond will not know currentdump
6920: # Do a dump and make it look like a currentdump
1.822 albertel 6921: my @tmp = &dumpstore($courseid,$sdom,$sname,'.');
1.319 matthew 6922: return if ($tmp[0] =~ /^(error:|no_such_host)/);
6923: my %hash = @tmp;
6924: @tmp=();
1.424 matthew 6925: %returnhash = %{&convert_dump_to_currentdump(\%hash)};
1.319 matthew 6926: } else {
6927: my @pairs=split(/\&/,$rep);
1.800 albertel 6928: foreach my $pair (@pairs) {
6929: my ($key,$value)=split(/=/,$pair,2);
1.319 matthew 6930: my ($symb,$param) = split(/:/,$key);
6931: $returnhash{&unescape($symb)}->{&unescape($param)} =
1.557 albertel 6932: &thaw_unescape($value);
1.319 matthew 6933: }
1.191 harris41 6934: }
1.12 www 6935: return %returnhash;
1.424 matthew 6936: }
6937:
6938: sub convert_dump_to_currentdump{
6939: my %hash = %{shift()};
6940: my %returnhash;
6941: # Code ripped from lond, essentially. The only difference
6942: # here is the unescaping done by lonnet::dump(). Conceivably
6943: # we might run in to problems with parameter names =~ /^v\./
6944: while (my ($key,$value) = each(%hash)) {
6945: my ($v,$symb,$param) = split(/:/,$key);
1.822 albertel 6946: $symb = &unescape($symb);
6947: $param = &unescape($param);
1.424 matthew 6948: next if ($v eq 'version' || $symb eq 'keys');
6949: next if (exists($returnhash{$symb}) &&
6950: exists($returnhash{$symb}->{$param}) &&
6951: $returnhash{$symb}->{'v.'.$param} > $v);
6952: $returnhash{$symb}->{$param}=$value;
6953: $returnhash{$symb}->{'v.'.$param}=$v;
6954: }
6955: #
6956: # Remove all of the keys in the hashes which keep track of
6957: # the version of the parameter.
6958: while (my ($symb,$param_hash) = each(%returnhash)) {
6959: # use a foreach because we are going to delete from the hash.
6960: foreach my $key (keys(%$param_hash)) {
6961: delete($param_hash->{$key}) if ($key =~ /^v\./);
6962: }
6963: }
6964: return \%returnhash;
1.12 www 6965: }
6966:
1.627 albertel 6967: # ------------------------------------------------------ critical inc interface
6968:
6969: sub cinc {
6970: return &inc(@_,'critical');
6971: }
6972:
1.449 matthew 6973: # --------------------------------------------------------------- inc interface
6974:
6975: sub inc {
1.627 albertel 6976: my ($namespace,$store,$udomain,$uname,$critical) = @_;
1.620 albertel 6977: if (!$udomain) { $udomain=$env{'user.domain'}; }
6978: if (!$uname) { $uname=$env{'user.name'}; }
1.449 matthew 6979: my $uhome=&homeserver($uname,$udomain);
6980: my $items='';
6981: if (! ref($store)) {
6982: # got a single value, so use that instead
6983: $items = &escape($store).'=&';
6984: } elsif (ref($store) eq 'SCALAR') {
6985: $items = &escape($$store).'=&';
6986: } elsif (ref($store) eq 'ARRAY') {
6987: $items = join('=&',map {&escape($_);} @{$store});
6988: } elsif (ref($store) eq 'HASH') {
6989: while (my($key,$value) = each(%{$store})) {
6990: $items.= &escape($key).'='.&escape($value).'&';
6991: }
6992: }
6993: $items=~s/\&$//;
1.627 albertel 6994: if ($critical) {
6995: return &critical("inc:$udomain:$uname:$namespace:$items",$uhome);
6996: } else {
6997: return &reply("inc:$udomain:$uname:$namespace:$items",$uhome);
6998: }
1.449 matthew 6999: }
7000:
1.12 www 7001: # --------------------------------------------------------------- put interface
7002:
7003: sub put {
1.134 albertel 7004: my ($namespace,$storehash,$udomain,$uname)=@_;
1.620 albertel 7005: if (!$udomain) { $udomain=$env{'user.domain'}; }
7006: if (!$uname) { $uname=$env{'user.name'}; }
1.134 albertel 7007: my $uhome=&homeserver($uname,$udomain);
1.12 www 7008: my $items='';
1.800 albertel 7009: foreach my $item (keys(%$storehash)) {
7010: $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
1.191 harris41 7011: }
1.12 www 7012: $items=~s/\&$//;
1.134 albertel 7013: return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
1.47 www 7014: }
7015:
1.631 albertel 7016: # ------------------------------------------------------------ newput interface
7017:
7018: sub newput {
7019: my ($namespace,$storehash,$udomain,$uname)=@_;
7020: if (!$udomain) { $udomain=$env{'user.domain'}; }
7021: if (!$uname) { $uname=$env{'user.name'}; }
7022: my $uhome=&homeserver($uname,$udomain);
7023: my $items='';
7024: foreach my $key (keys(%$storehash)) {
7025: $items.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
7026: }
7027: $items=~s/\&$//;
7028: return &reply("newput:$udomain:$uname:$namespace:$items",$uhome);
7029: }
7030:
7031: # --------------------------------------------------------- putstore interface
7032:
1.524 raeburn 7033: sub putstore {
1.1172.2.59 raeburn 7034: my ($namespace,$symb,$version,$storehash,$udomain,$uname,$tolog)=@_;
1.620 albertel 7035: if (!$udomain) { $udomain=$env{'user.domain'}; }
7036: if (!$uname) { $uname=$env{'user.name'}; }
1.524 raeburn 7037: my $uhome=&homeserver($uname,$udomain);
7038: my $items='';
1.715 albertel 7039: foreach my $key (keys(%$storehash)) {
7040: $items.= &escape($key).'='.&freeze_escape($storehash->{$key}).'&';
1.524 raeburn 7041: }
1.715 albertel 7042: $items=~s/\&$//;
1.716 albertel 7043: my $esc_symb=&escape($symb);
7044: my $esc_v=&escape($version);
1.715 albertel 7045: my $reply =
1.716 albertel 7046: &reply("putstore:$udomain:$uname:$namespace:$esc_symb:$esc_v:$items",
1.715 albertel 7047: $uhome);
1.1172.2.59 raeburn 7048: if (($tolog) && ($reply eq 'ok')) {
7049: my $namevalue='';
7050: foreach my $key (keys(%{$storehash})) {
7051: $namevalue.=&escape($key).'='.&freeze_escape($storehash->{$key}).'&';
7052: }
7053: $namevalue .= 'ip='.&escape($ENV{'REMOTE_ADDR'}).
7054: '&host='.&escape($perlvar{'lonHostID'}).
7055: '&version='.$esc_v.
7056: '&by='.&escape($env{'user.name'}.':'.$env{'user.domain'});
7057: &Apache::lonnet::courselog($symb.':'.$uname.':'.$udomain.':PUTSTORE:'.$namevalue);
7058: }
1.715 albertel 7059: if ($reply eq 'unknown_cmd') {
1.716 albertel 7060: # gfall back to way things use to be done
1.715 albertel 7061: return &old_putstore($namespace,$symb,$version,$storehash,$udomain,
7062: $uname);
1.524 raeburn 7063: }
1.715 albertel 7064: return $reply;
7065: }
7066:
7067: sub old_putstore {
1.716 albertel 7068: my ($namespace,$symb,$version,$storehash,$udomain,$uname)=@_;
7069: if (!$udomain) { $udomain=$env{'user.domain'}; }
7070: if (!$uname) { $uname=$env{'user.name'}; }
7071: my $uhome=&homeserver($uname,$udomain);
7072: my %newstorehash;
1.800 albertel 7073: foreach my $item (keys(%$storehash)) {
7074: my $key = $version.':'.&escape($symb).':'.$item;
7075: $newstorehash{$key} = $storehash->{$item};
1.716 albertel 7076: }
7077: my $items='';
7078: my %allitems = ();
1.800 albertel 7079: foreach my $item (keys(%newstorehash)) {
7080: if ($item =~ m/^([^\:]+):([^\:]+):([^\:]+)$/) {
1.716 albertel 7081: my $key = $1.':keys:'.$2;
7082: $allitems{$key} .= $3.':';
7083: }
1.800 albertel 7084: $items.=$item.'='.&freeze_escape($newstorehash{$item}).'&';
1.716 albertel 7085: }
1.800 albertel 7086: foreach my $item (keys(%allitems)) {
7087: $allitems{$item} =~ s/\:$//;
7088: $items.= $item.'='.$allitems{$item}.'&';
1.716 albertel 7089: }
7090: $items=~s/\&$//;
7091: return &reply("put:$udomain:$uname:$namespace:$items",$uhome);
1.524 raeburn 7092: }
7093:
1.47 www 7094: # ------------------------------------------------------ critical put interface
7095:
7096: sub cput {
1.134 albertel 7097: my ($namespace,$storehash,$udomain,$uname)=@_;
1.620 albertel 7098: if (!$udomain) { $udomain=$env{'user.domain'}; }
7099: if (!$uname) { $uname=$env{'user.name'}; }
1.134 albertel 7100: my $uhome=&homeserver($uname,$udomain);
1.47 www 7101: my $items='';
1.800 albertel 7102: foreach my $item (keys(%$storehash)) {
7103: $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
1.191 harris41 7104: }
1.47 www 7105: $items=~s/\&$//;
1.134 albertel 7106: return &critical("put:$udomain:$uname:$namespace:$items",$uhome);
1.12 www 7107: }
7108:
7109: # -------------------------------------------------------------- eget interface
7110:
7111: sub eget {
1.133 albertel 7112: my ($namespace,$storearr,$udomain,$uname)=@_;
1.12 www 7113: my $items='';
1.800 albertel 7114: foreach my $item (@$storearr) {
7115: $items.=&escape($item).'&';
1.191 harris41 7116: }
1.12 www 7117: $items=~s/\&$//;
1.620 albertel 7118: if (!$udomain) { $udomain=$env{'user.domain'}; }
7119: if (!$uname) { $uname=$env{'user.name'}; }
1.133 albertel 7120: my $uhome=&homeserver($uname,$udomain);
7121: my $rep=&reply("eget:$udomain:$uname:$namespace:$items",$uhome);
1.12 www 7122: my @pairs=split(/\&/,$rep);
7123: my %returnhash=();
1.42 www 7124: my $i=0;
1.800 albertel 7125: foreach my $item (@$storearr) {
7126: $returnhash{$item}=&thaw_unescape($pairs[$i]);
1.42 www 7127: $i++;
1.191 harris41 7128: }
1.12 www 7129: return %returnhash;
7130: }
7131:
1.667 albertel 7132: # ------------------------------------------------------------ tmpput interface
7133: sub tmpput {
1.802 raeburn 7134: my ($storehash,$server,$context)=@_;
1.667 albertel 7135: my $items='';
1.800 albertel 7136: foreach my $item (keys(%$storehash)) {
7137: $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
1.667 albertel 7138: }
7139: $items=~s/\&$//;
1.802 raeburn 7140: if (defined($context)) {
7141: $items .= ':'.&escape($context);
7142: }
1.667 albertel 7143: return &reply("tmpput:$items",$server);
7144: }
7145:
7146: # ------------------------------------------------------------ tmpget interface
7147: sub tmpget {
1.688 albertel 7148: my ($token,$server)=@_;
7149: if (!defined($server)) { $server = $perlvar{'lonHostID'}; }
7150: my $rep=&reply("tmpget:$token",$server);
1.667 albertel 7151: my %returnhash;
1.1172.2.85 raeburn 7152: if ($rep =~ /^(con_lost|error|no_such_host)/i) {
7153: return %returnhash;
7154: }
1.667 albertel 7155: foreach my $item (split(/\&/,$rep)) {
7156: my ($key,$value)=split(/=/,$item);
7157: $returnhash{&unescape($key)}=&thaw_unescape($value);
7158: }
7159: return %returnhash;
7160: }
7161:
1.1113 raeburn 7162: # ------------------------------------------------------------ tmpdel interface
1.688 albertel 7163: sub tmpdel {
7164: my ($token,$server)=@_;
7165: if (!defined($server)) { $server = $perlvar{'lonHostID'}; }
7166: return &reply("tmpdel:$token",$server);
7167: }
7168:
1.1172.2.13 raeburn 7169: # ------------------------------------------------------------ get_timebased_id
7170:
7171: sub get_timebased_id {
7172: my ($prefix,$keyid,$namespace,$cdom,$cnum,$idtype,$who,$locktries,
7173: $maxtries) = @_;
7174: my ($newid,$error,$dellock);
7175: unless (($prefix =~ /^\w+$/) && ($keyid =~ /^\w+$/) && ($namespace ne '')) {
7176: return ('','ok','invalid call to get suffix');
7177: }
7178:
7179: # set defaults for any optional args for which values were not supplied
7180: if ($who eq '') {
7181: $who = $env{'user.name'}.':'.$env{'user.domain'};
7182: }
7183: if (!$locktries) {
7184: $locktries = 3;
7185: }
7186: if (!$maxtries) {
7187: $maxtries = 10;
7188: }
7189:
7190: if (($cdom eq '') || ($cnum eq '')) {
7191: if ($env{'request.course.id'}) {
7192: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
7193: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
7194: }
7195: if (($cdom eq '') || ($cnum eq '')) {
7196: return ('','ok','call to get suffix not in course context');
7197: }
7198: }
7199:
7200: # construct locking item
7201: my $lockhash = {
7202: $prefix."\0".'locked_'.$keyid => $who,
7203: };
7204: my $tries = 0;
7205:
7206: # attempt to get lock on nohist_$namespace file
7207: my $gotlock = &Apache::lonnet::newput('nohist_'.$namespace,$lockhash,$cdom,$cnum);
7208: while (($gotlock ne 'ok') && $tries <$locktries) {
7209: $tries ++;
7210: sleep 1;
7211: $gotlock = &Apache::lonnet::newput('nohist_'.$namespace,$lockhash,$cdom,$cnum);
7212: }
7213:
7214: # attempt to get unique identifier, based on current timestamp
7215: if ($gotlock eq 'ok') {
7216: my %inuse = &Apache::lonnet::dump('nohist_'.$namespace,$cdom,$cnum,$prefix);
7217: my $id = time;
7218: $newid = $id;
1.1172.2.56 raeburn 7219: if ($idtype eq 'addcode') {
7220: $newid .= &sixnum_code();
7221: }
1.1172.2.13 raeburn 7222: my $idtries = 0;
7223: while (exists($inuse{$prefix."\0".$newid}) && $idtries < $maxtries) {
7224: if ($idtype eq 'concat') {
7225: $newid = $id.$idtries;
1.1172.2.56 raeburn 7226: } elsif ($idtype eq 'addcode') {
7227: $newid = $newid.&sixnum_code();
1.1172.2.13 raeburn 7228: } else {
7229: $newid ++;
7230: }
7231: $idtries ++;
7232: }
7233: if (!exists($inuse{$prefix."\0".$newid})) {
7234: my %new_item = (
7235: $prefix."\0".$newid => $who,
7236: );
7237: my $putresult = &Apache::lonnet::put('nohist_'.$namespace,\%new_item,
7238: $cdom,$cnum);
7239: if ($putresult ne 'ok') {
7240: undef($newid);
7241: $error = 'error saving new item: '.$putresult;
7242: }
7243: } else {
1.1172.2.56 raeburn 7244: undef($newid);
1.1172.2.13 raeburn 7245: $error = ('error: no unique suffix available for the new item ');
7246: }
7247: # remove lock
7248: my @del_lock = ($prefix."\0".'locked_'.$keyid);
7249: $dellock = &Apache::lonnet::del('nohist_'.$namespace,\@del_lock,$cdom,$cnum);
7250: } else {
7251: $error = "error: could not obtain lockfile\n";
7252: $dellock = 'ok';
1.1172.2.58 raeburn 7253: if (($prefix eq 'paste') && ($namespace eq 'courseeditor') && ($keyid eq 'num')) {
7254: $dellock = 'nolock';
7255: }
1.1172.2.13 raeburn 7256: }
7257: return ($newid,$dellock,$error);
7258: }
7259:
1.1172.2.56 raeburn 7260: sub sixnum_code {
7261: my $code;
7262: for (0..6) {
7263: $code .= int( rand(9) );
7264: }
7265: return $code;
7266: }
7267:
1.765 albertel 7268: # -------------------------------------------------- portfolio access checking
7269:
7270: sub portfolio_access {
1.1172.2.77 raeburn 7271: my ($requrl,$clientip) = @_;
1.765 albertel 7272: my (undef,$udom,$unum,$file_name,$group) = &parse_portfolio_url($requrl);
1.1172.2.77 raeburn 7273: my $result = &get_portfolio_access($udom,$unum,$file_name,$group,$clientip);
1.814 raeburn 7274: if ($result) {
7275: my %setters;
7276: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
7277: my ($startblock,$endblock) =
7278: &Apache::loncommon::blockcheck(\%setters,'port',$unum,$udom);
7279: if ($startblock && $endblock) {
7280: return 'B';
7281: }
7282: } else {
7283: my ($startblock,$endblock) =
7284: &Apache::loncommon::blockcheck(\%setters,'port');
7285: if ($startblock && $endblock) {
7286: return 'B';
7287: }
7288: }
7289: }
1.765 albertel 7290: if ($result eq 'ok') {
1.766 albertel 7291: return 'F';
1.765 albertel 7292: } elsif ($result =~ /^[^:]+:guest_/) {
1.766 albertel 7293: return 'A';
1.765 albertel 7294: }
1.766 albertel 7295: return '';
1.765 albertel 7296: }
7297:
7298: sub get_portfolio_access {
1.1172.2.77 raeburn 7299: my ($udom,$unum,$file_name,$group,$clientip,$access_hash) = @_;
1.767 albertel 7300:
7301: if (!ref($access_hash)) {
7302: my $current_perms = &get_portfile_permissions($udom,$unum);
7303: my %access_controls = &get_access_controls($current_perms,$group,
7304: $file_name);
7305: $access_hash = $access_controls{$file_name};
7306: }
7307:
1.1172.2.77 raeburn 7308: my ($public,$guest,@domains,@users,@courses,@groups,@ips);
1.765 albertel 7309: my $now = time;
7310: if (ref($access_hash) eq 'HASH') {
7311: foreach my $key (keys(%{$access_hash})) {
7312: my ($num,$scope,$end,$start) = ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
7313: if ($start > $now) {
7314: next;
7315: }
7316: if ($end && $end<$now) {
7317: next;
7318: }
7319: if ($scope eq 'public') {
7320: $public = $key;
7321: last;
7322: } elsif ($scope eq 'guest') {
7323: $guest = $key;
7324: } elsif ($scope eq 'domains') {
7325: push(@domains,$key);
7326: } elsif ($scope eq 'users') {
7327: push(@users,$key);
7328: } elsif ($scope eq 'course') {
7329: push(@courses,$key);
7330: } elsif ($scope eq 'group') {
7331: push(@groups,$key);
1.1172.2.77 raeburn 7332: } elsif ($scope eq 'ip') {
7333: push(@ips,$key);
1.765 albertel 7334: }
7335: }
7336: if ($public) {
7337: return 'ok';
1.1172.2.77 raeburn 7338: } elsif (@ips > 0) {
7339: my $allowed;
7340: foreach my $ipkey (@ips) {
7341: if (ref($access_hash->{$ipkey}{'ip'}) eq 'ARRAY') {
7342: if (&Apache::loncommon::check_ip_acc(join(',',@{$access_hash->{$ipkey}{'ip'}}),$clientip)) {
7343: $allowed = 1;
7344: last;
7345: }
7346: }
7347: }
7348: if ($allowed) {
7349: return 'ok';
7350: }
1.765 albertel 7351: }
7352: if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') {
7353: if ($guest) {
7354: return $guest;
7355: }
7356: } else {
7357: if (@domains > 0) {
7358: foreach my $domkey (@domains) {
7359: if (ref($access_hash->{$domkey}{'dom'}) eq 'ARRAY') {
7360: if (grep(/^\Q$env{'user.domain'}\E$/,@{$access_hash->{$domkey}{'dom'}})) {
7361: return 'ok';
7362: }
7363: }
7364: }
7365: }
7366: if (@users > 0) {
7367: foreach my $userkey (@users) {
1.865 raeburn 7368: if (ref($access_hash->{$userkey}{'users'}) eq 'ARRAY') {
7369: foreach my $item (@{$access_hash->{$userkey}{'users'}}) {
7370: if (ref($item) eq 'HASH') {
7371: if (($item->{'uname'} eq $env{'user.name'}) &&
7372: ($item->{'udom'} eq $env{'user.domain'})) {
7373: return 'ok';
7374: }
7375: }
7376: }
7377: }
1.765 albertel 7378: }
7379: }
7380: my %roleshash;
7381: my @courses_and_groups = @courses;
7382: push(@courses_and_groups,@groups);
7383: if (@courses_and_groups > 0) {
7384: my (%allgroups,%allroles);
7385: my ($start,$end,$role,$sec,$group);
7386: foreach my $envkey (%env) {
1.1060 raeburn 7387: if ($envkey =~ m-^user\.role\.(gr|cc|co|in|ta|ep|ad|st)\./($match_domain)/($match_courseid)/?([^/]*)$-) {
1.765 albertel 7388: my $cid = $2.'_'.$3;
7389: if ($1 eq 'gr') {
7390: $group = $4;
7391: $allgroups{$cid}{$group} = $env{$envkey};
7392: } else {
7393: if ($4 eq '') {
7394: $sec = 'none';
7395: } else {
7396: $sec = $4;
7397: }
7398: $allroles{$cid}{$1}{$sec} = $env{$envkey};
7399: }
1.811 albertel 7400: } elsif ($envkey =~ m-^user\.role\./cr/($match_domain/$match_username/\w*)./($match_domain)/($match_courseid)/?([^/]*)$-) {
1.765 albertel 7401: my $cid = $2.'_'.$3;
7402: if ($4 eq '') {
7403: $sec = 'none';
7404: } else {
7405: $sec = $4;
7406: }
7407: $allroles{$cid}{$1}{$sec} = $env{$envkey};
7408: }
7409: }
7410: if (keys(%allroles) == 0) {
7411: return;
7412: }
7413: foreach my $key (@courses_and_groups) {
7414: my %content = %{$$access_hash{$key}};
7415: my $cnum = $content{'number'};
7416: my $cdom = $content{'domain'};
7417: my $cid = $cdom.'_'.$cnum;
7418: if (!exists($allroles{$cid})) {
7419: next;
7420: }
7421: foreach my $role_id (keys(%{$content{'roles'}})) {
7422: my @sections = @{$content{'roles'}{$role_id}{'section'}};
7423: my @groups = @{$content{'roles'}{$role_id}{'group'}};
7424: my @status = @{$content{'roles'}{$role_id}{'access'}};
7425: my @roles = @{$content{'roles'}{$role_id}{'role'}};
7426: foreach my $role (keys(%{$allroles{$cid}})) {
7427: if ((grep/^all$/,@roles) || (grep/^\Q$role\E$/,@roles)) {
7428: foreach my $sec (keys(%{$allroles{$cid}{$role}})) {
7429: if (&course_group_datechecker($allroles{$cid}{$role}{$sec},$now,\@status) eq 'ok') {
7430: if (grep/^all$/,@sections) {
7431: return 'ok';
7432: } else {
7433: if (grep/^$sec$/,@sections) {
7434: return 'ok';
7435: }
7436: }
7437: }
7438: }
7439: if (keys(%{$allgroups{$cid}}) == 0) {
7440: if (grep/^none$/,@groups) {
7441: return 'ok';
7442: }
7443: } else {
7444: if (grep/^all$/,@groups) {
7445: return 'ok';
7446: }
7447: foreach my $group (keys(%{$allgroups{$cid}})) {
7448: if (grep/^$group$/,@groups) {
7449: return 'ok';
7450: }
7451: }
7452: }
7453: }
7454: }
7455: }
7456: }
7457: }
7458: if ($guest) {
7459: return $guest;
7460: }
7461: }
7462: }
7463: return;
7464: }
7465:
7466: sub course_group_datechecker {
7467: my ($dates,$now,$status) = @_;
7468: my ($start,$end) = split(/\./,$dates);
7469: if (!$start && !$end) {
7470: return 'ok';
7471: }
7472: if (grep/^active$/,@{$status}) {
7473: if (((!$start) || ($start && $start <= $now)) && ((!$end) || ($end && $end >= $now))) {
7474: return 'ok';
7475: }
7476: }
7477: if (grep/^previous$/,@{$status}) {
7478: if ($end > $now ) {
7479: return 'ok';
7480: }
7481: }
7482: if (grep/^future$/,@{$status}) {
7483: if ($start > $now) {
7484: return 'ok';
7485: }
7486: }
7487: return;
7488: }
7489:
7490: sub parse_portfolio_url {
7491: my ($url) = @_;
7492:
7493: my ($type,$udom,$unum,$group,$file_name);
7494:
1.823 albertel 7495: if ($url =~ m-^/*(?:uploaded|editupload)/($match_domain)/($match_username)/portfolio(/.+)$-) {
1.765 albertel 7496: $type = 1;
7497: $udom = $1;
7498: $unum = $2;
7499: $file_name = $3;
1.823 albertel 7500: } elsif ($url =~ m-^/*(?:uploaded|editupload)/($match_domain)/($match_courseid)/groups/([^/]+)/portfolio/(.+)$-) {
1.765 albertel 7501: $type = 2;
7502: $udom = $1;
7503: $unum = $2;
7504: $group = $3;
7505: $file_name = $3.'/'.$4;
7506: }
7507: if (wantarray) {
7508: return ($type,$udom,$unum,$file_name,$group);
7509: }
7510: return $type;
7511: }
7512:
7513: sub is_portfolio_url {
7514: my ($url) = @_;
7515: return scalar(&parse_portfolio_url($url));
7516: }
7517:
1.798 raeburn 7518: sub is_portfolio_file {
7519: my ($file) = @_;
1.820 raeburn 7520: if (($file =~ /^portfolio/) || ($file =~ /^groups\/\w+\/portfolio/)) {
1.798 raeburn 7521: return 1;
7522: }
7523: return;
7524: }
7525:
1.976 raeburn 7526: sub usertools_access {
1.1084 raeburn 7527: my ($uname,$udom,$tool,$action,$context,$userenvref,$domdefref,$is_advref)=@_;
1.985 raeburn 7528: my ($access,%tools);
7529: if ($context eq '') {
7530: $context = 'tools';
7531: }
7532: if ($context eq 'requestcourses') {
7533: %tools = (
7534: official => 1,
7535: unofficial => 1,
1.1006 raeburn 7536: community => 1,
1.1172.2.37 raeburn 7537: textbook => 1,
1.985 raeburn 7538: );
1.1172.2.9 raeburn 7539: } elsif ($context eq 'requestauthor') {
7540: %tools = (
7541: requestauthor => 1,
7542: );
1.985 raeburn 7543: } else {
7544: %tools = (
7545: aboutme => 1,
7546: blog => 1,
1.1172.2.6 raeburn 7547: webdav => 1,
1.985 raeburn 7548: portfolio => 1,
7549: );
7550: }
1.976 raeburn 7551: return if (!defined($tools{$tool}));
7552:
1.1172.2.35 raeburn 7553: if (($udom eq '') || ($uname eq '')) {
1.976 raeburn 7554: $udom = $env{'user.domain'};
7555: $uname = $env{'user.name'};
7556: }
7557:
1.978 raeburn 7558: if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
7559: if ($action ne 'reload') {
1.985 raeburn 7560: if ($context eq 'requestcourses') {
7561: return $env{'environment.canrequest.'.$tool};
1.1172.2.9 raeburn 7562: } elsif ($context eq 'requestauthor') {
7563: return $env{'environment.canrequest.author'};
1.985 raeburn 7564: } else {
7565: return $env{'environment.availabletools.'.$tool};
7566: }
7567: }
1.976 raeburn 7568: }
7569:
1.1172.2.9 raeburn 7570: my ($toolstatus,$inststatus,$envkey);
7571: if ($context eq 'requestauthor') {
7572: $envkey = $context;
7573: } else {
7574: $envkey = $context.'.'.$tool;
7575: }
1.976 raeburn 7576:
1.985 raeburn 7577: if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'}) &&
7578: ($action ne 'reload')) {
1.1172.2.9 raeburn 7579: $toolstatus = $env{'environment.'.$envkey};
1.976 raeburn 7580: $inststatus = $env{'environment.inststatus'};
7581: } else {
1.1084 raeburn 7582: if (ref($userenvref) eq 'HASH') {
1.1172.2.9 raeburn 7583: $toolstatus = $userenvref->{$envkey};
1.1084 raeburn 7584: $inststatus = $userenvref->{'inststatus'};
7585: } else {
1.1172.2.9 raeburn 7586: my %userenv = &userenvironment($udom,$uname,$envkey,'inststatus');
7587: $toolstatus = $userenv{$envkey};
1.1084 raeburn 7588: $inststatus = $userenv{'inststatus'};
7589: }
1.976 raeburn 7590: }
7591:
7592: if ($toolstatus ne '') {
7593: if ($toolstatus) {
7594: $access = 1;
7595: } else {
7596: $access = 0;
7597: }
7598: return $access;
7599: }
7600:
1.1084 raeburn 7601: my ($is_adv,%domdef);
7602: if (ref($is_advref) eq 'HASH') {
7603: $is_adv = $is_advref->{'is_adv'};
7604: } else {
7605: $is_adv = &is_advanced_user($udom,$uname);
7606: }
7607: if (ref($domdefref) eq 'HASH') {
7608: %domdef = %{$domdefref};
7609: } else {
7610: %domdef = &get_domain_defaults($udom);
7611: }
1.976 raeburn 7612: if (ref($domdef{$tool}) eq 'HASH') {
7613: if ($is_adv) {
7614: if ($domdef{$tool}{'_LC_adv'} ne '') {
7615: if ($domdef{$tool}{'_LC_adv'}) {
7616: $access = 1;
7617: } else {
7618: $access = 0;
7619: }
7620: return $access;
7621: }
7622: }
7623: if ($inststatus ne '') {
7624: my ($hasaccess,$hasnoaccess);
7625: foreach my $affiliation (split(/:/,$inststatus)) {
7626: if ($domdef{$tool}{$affiliation} ne '') {
7627: if ($domdef{$tool}{$affiliation}) {
7628: $hasaccess = 1;
7629: } else {
7630: $hasnoaccess = 1;
7631: }
7632: }
7633: }
7634: if ($hasaccess || $hasnoaccess) {
7635: if ($hasaccess) {
7636: $access = 1;
7637: } elsif ($hasnoaccess) {
7638: $access = 0;
7639: }
7640: return $access;
7641: }
7642: } else {
7643: if ($domdef{$tool}{'default'} ne '') {
7644: if ($domdef{$tool}{'default'}) {
7645: $access = 1;
7646: } elsif ($domdef{$tool}{'default'} == 0) {
7647: $access = 0;
7648: }
7649: return $access;
7650: }
7651: }
7652: } else {
1.1172.2.6 raeburn 7653: if (($context eq 'tools') && ($tool ne 'webdav')) {
1.985 raeburn 7654: $access = 1;
7655: } else {
7656: $access = 0;
7657: }
1.976 raeburn 7658: return $access;
7659: }
7660: }
7661:
1.1050 raeburn 7662: sub is_course_owner {
7663: my ($cdom,$cnum,$udom,$uname) = @_;
7664: if (($udom eq '') || ($uname eq '')) {
7665: $udom = $env{'user.domain'};
7666: $uname = $env{'user.name'};
7667: }
7668: unless (($udom eq '') || ($uname eq '')) {
7669: if (exists($env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'})) {
7670: if ($env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'} eq $uname.':'.$udom) {
7671: return 1;
7672: } else {
7673: my %courseinfo = &Apache::lonnet::coursedescription($cdom.'/'.$cnum);
7674: if ($courseinfo{'internal.courseowner'} eq $uname.':'.$udom) {
7675: return 1;
7676: }
7677: }
7678: }
7679: }
7680: return;
7681: }
7682:
1.976 raeburn 7683: sub is_advanced_user {
7684: my ($udom,$uname) = @_;
1.1085 raeburn 7685: if ($udom ne '' && $uname ne '') {
7686: if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
1.1128 raeburn 7687: if (wantarray) {
7688: return ($env{'user.adv'},$env{'user.author'});
7689: } else {
7690: return $env{'user.adv'};
7691: }
1.1085 raeburn 7692: }
7693: }
1.976 raeburn 7694: my %roleshash = &get_my_roles($uname,$udom,'userroles',undef,undef,undef,1);
7695: my %allroles;
1.1128 raeburn 7696: my ($is_adv,$is_author);
1.976 raeburn 7697: foreach my $role (keys(%roleshash)) {
7698: my ($trest,$tdomain,$trole,$sec) = split(/:/,$role);
7699: my $area = '/'.$tdomain.'/'.$trest;
7700: if ($sec ne '') {
7701: $area .= '/'.$sec;
7702: }
7703: if (($area ne '') && ($trole ne '')) {
7704: my $spec=$trole.'.'.$area;
7705: if ($trole =~ /^cr\//) {
7706: &custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area);
7707: } elsif ($trole ne 'gr') {
7708: &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area);
7709: }
1.1128 raeburn 7710: if ($trole eq 'au') {
7711: $is_author = 1;
7712: }
1.976 raeburn 7713: }
7714: }
7715: foreach my $role (keys(%allroles)) {
7716: last if ($is_adv);
7717: foreach my $item (split(/:/,$allroles{$role})) {
7718: if ($item ne '') {
7719: my ($privilege,$restrictions)=split(/&/,$item);
7720: if ($privilege eq 'adv') {
7721: $is_adv = 1;
7722: last;
7723: }
7724: }
7725: }
7726: }
1.1128 raeburn 7727: if (wantarray) {
7728: return ($is_adv,$is_author);
7729: }
1.976 raeburn 7730: return $is_adv;
7731: }
1.798 raeburn 7732:
1.1035 raeburn 7733: sub check_can_request {
1.1036 raeburn 7734: my ($dom,$can_request,$request_domains) = @_;
1.1035 raeburn 7735: my $canreq = 0;
7736: my ($types,$typename) = &Apache::loncommon::course_types();
7737: my @options = ('approval','validate','autolimit');
7738: my $optregex = join('|',@options);
7739: if ((ref($can_request) eq 'HASH') && (ref($types) eq 'ARRAY')) {
7740: foreach my $type (@{$types}) {
7741: if (&usertools_access($env{'user.name'},
7742: $env{'user.domain'},
7743: $type,undef,'requestcourses')) {
7744: $canreq ++;
1.1036 raeburn 7745: if (ref($request_domains) eq 'HASH') {
7746: push(@{$request_domains->{$type}},$env{'user.domain'});
7747: }
1.1035 raeburn 7748: if ($dom eq $env{'user.domain'}) {
7749: $can_request->{$type} = 1;
7750: }
7751: }
7752: if ($env{'environment.reqcrsotherdom.'.$type} ne '') {
7753: my @curr = split(',',$env{'environment.reqcrsotherdom.'.$type});
7754: if (@curr > 0) {
1.1036 raeburn 7755: foreach my $item (@curr) {
7756: if (ref($request_domains) eq 'HASH') {
7757: my ($otherdom) = ($item =~ /^($match_domain):($optregex)(=?\d*)$/);
7758: if ($otherdom ne '') {
7759: if (ref($request_domains->{$type}) eq 'ARRAY') {
7760: unless (grep(/^\Q$otherdom\E$/,@{$request_domains->{$type}})) {
7761: push(@{$request_domains->{$type}},$otherdom);
7762: }
7763: } else {
7764: push(@{$request_domains->{$type}},$otherdom);
7765: }
7766: }
7767: }
7768: }
7769: unless($dom eq $env{'user.domain'}) {
7770: $canreq ++;
1.1035 raeburn 7771: if (grep(/^\Q$dom\E:($optregex)(=?\d*)$/,@curr)) {
7772: $can_request->{$type} = 1;
7773: }
7774: }
7775: }
7776: }
7777: }
7778: }
7779: return $canreq;
7780: }
7781:
1.341 www 7782: # ---------------------------------------------- Custom access rule evaluation
7783:
7784: sub customaccess {
7785: my ($priv,$uri)=@_;
1.807 albertel 7786: my ($urole,$urealm)=split(/\./,$env{'request.role'},2);
1.819 www 7787: my (undef,$udom,$ucrs,$usec)=split(/\//,$urealm);
1.807 albertel 7788: $udom = &LONCAPA::clean_domain($udom);
7789: $ucrs = &LONCAPA::clean_username($ucrs);
1.341 www 7790: my $access=0;
1.800 albertel 7791: foreach my $right (split(/\s*\,\s*/,&metadata($uri,'rule_rights'))) {
1.893 albertel 7792: my ($effect,$realm,$role,$type)=split(/\:/,$right);
7793: if ($type eq 'user') {
7794: foreach my $scope (split(/\s*\,\s*/,$realm)) {
1.896 albertel 7795: my ($tdom,$tuname)=split(m{/},$scope);
1.893 albertel 7796: if ($tdom) {
7797: if ($tdom ne $env{'user.domain'}) { next; }
7798: }
1.896 albertel 7799: if ($tuname) {
7800: if ($tuname ne $env{'user.name'}) { next; }
1.893 albertel 7801: }
7802: $access=($effect eq 'allow');
7803: last;
7804: }
7805: } else {
7806: if ($role) {
7807: if ($role ne $urole) { next; }
7808: }
7809: foreach my $scope (split(/\s*\,\s*/,$realm)) {
7810: my ($tdom,$tcrs,$tsec)=split(/\_/,$scope);
7811: if ($tdom) {
7812: if ($tdom ne $udom) { next; }
7813: }
7814: if ($tcrs) {
7815: if ($tcrs ne $ucrs) { next; }
7816: }
7817: if ($tsec) {
7818: if ($tsec ne $usec) { next; }
7819: }
7820: $access=($effect eq 'allow');
7821: last;
7822: }
7823: if ($realm eq '' && $role eq '') {
7824: $access=($effect eq 'allow');
7825: }
1.402 bowersj2 7826: }
1.341 www 7827: }
7828: return $access;
7829: }
7830:
1.103 harris41 7831: # ------------------------------------------------- Check for a user privilege
1.12 www 7832:
7833: sub allowed {
1.1172.2.118. .8(raebu 7834:20): my ($priv,$uri,$symb,$role,$clientip,$noblockcheck,$ignorecache)=@_;
1.705 albertel 7835: my $ver_orguri=$uri;
1.439 www 7836: $uri=&deversion($uri);
1.152 www 7837: my $orguri=$uri;
1.52 www 7838: $uri=&declutter($uri);
1.809 raeburn 7839:
1.810 raeburn 7840: if ($priv eq 'evb') {
7841: # Evade communication block restrictions for specified role in a course
7842: if ($env{'user.priv.'.$role} =~/evb\&([^\:]*)/) {
7843: return $1;
7844: } else {
7845: return;
7846: }
7847: }
7848:
1.620 albertel 7849: if (defined($env{'allowed.'.$priv})) { return $env{'allowed.'.$priv}; }
1.54 www 7850: # Free bre access to adm and meta resources
1.1172.2.118. .1(raebu 7851:20): if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg|bulletinboard|ext\.tool)$}))
1.769 albertel 7852: || (($uri=~/\.meta$/) && ($uri!~m|^uploaded/|) ))
7853: && ($priv eq 'bre')) {
1.14 www 7854: return 'F';
1.159 www 7855: }
7856:
1.545 banghart 7857: # Free bre access to user's own portfolio contents
1.714 raeburn 7858: my ($space,$domain,$name,@dir)=split('/',$uri);
1.647 raeburn 7859: if (($space=~/^(uploaded|editupload)$/) && ($env{'user.name'} eq $name) &&
1.714 raeburn 7860: ($env{'user.domain'} eq $domain) && ('portfolio' eq $dir[0])) {
1.814 raeburn 7861: my %setters;
7862: my ($startblock,$endblock) =
7863: &Apache::loncommon::blockcheck(\%setters,'port');
7864: if ($startblock && $endblock) {
7865: return 'B';
7866: } else {
7867: return 'F';
7868: }
1.545 banghart 7869: }
7870:
1.762 raeburn 7871: # bre access to group portfolio for rgf priv in group, or mdg or vcg in course.
1.714 raeburn 7872: if (($space=~/^(uploaded|editupload)$/) && ($dir[0] eq 'groups')
7873: && ($dir[2] eq 'portfolio') && ($priv eq 'bre')) {
7874: if (exists($env{'request.course.id'})) {
7875: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
7876: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
7877: if (($domain eq $cdom) && ($name eq $cnum)) {
7878: my $courseprivid=$env{'request.course.id'};
7879: $courseprivid=~s/\_/\//;
7880: if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid
7881: .'/'.$dir[1]} =~/rgf\&([^\:]*)/) {
7882: return $1;
1.762 raeburn 7883: } else {
7884: if ($env{'request.course.sec'}) {
7885: $courseprivid.='/'.$env{'request.course.sec'};
7886: }
7887: if ($env{'user.priv.'.$env{'request.role'}.'./'.
7888: $courseprivid} =~/(mdg|vcg)\&([^\:]*)/) {
7889: return $2;
7890: }
1.714 raeburn 7891: }
7892: }
7893: }
7894: }
7895:
1.159 www 7896: # Free bre to public access
7897:
7898: if ($priv eq 'bre') {
1.238 www 7899: my $copyright=&metadata($uri,'copyright');
1.620 albertel 7900: if (($copyright eq 'public') && (!$env{'request.course.id'})) {
1.301 www 7901: return 'F';
7902: }
1.238 www 7903: if ($copyright eq 'priv') {
7904: $uri=~/([^\/]+)\/([^\/]+)\//;
1.620 albertel 7905: unless (($env{'user.name'} eq $2) && ($env{'user.domain'} eq $1)) {
1.238 www 7906: return '';
7907: }
7908: }
7909: if ($copyright eq 'domain') {
7910: $uri=~/([^\/]+)\/([^\/]+)\//;
1.620 albertel 7911: unless (($env{'user.domain'} eq $1) ||
7912: ($env{'course.'.$env{'request.course.id'}.'.domain'} eq $1)) {
1.238 www 7913: return '';
7914: }
1.262 matthew 7915: }
1.620 albertel 7916: if ($env{'request.role'}=~ /li\.\//) {
1.262 matthew 7917: # Library role, so allow browsing of resources in this domain.
7918: return 'F';
1.238 www 7919: }
1.341 www 7920: if ($copyright eq 'custom') {
7921: unless (&customaccess($priv,$uri)) { return ''; }
7922: }
1.14 www 7923: }
1.264 matthew 7924: # Domain coordinator is trying to create a course
1.620 albertel 7925: if (($priv eq 'ccc') && ($env{'request.role'} =~ /^dc\./)) {
1.264 matthew 7926: # uri is the requested domain in this case.
7927: # comparison to 'request.role.domain' shows if the user has selected
1.678 raeburn 7928: # a role of dc for the domain in question.
1.620 albertel 7929: return 'F' if ($uri eq $env{'request.role.domain'});
1.264 matthew 7930: }
1.29 www 7931:
1.52 www 7932: my $thisallowed='';
7933: my $statecond=0;
7934: my $courseprivid='';
7935:
1.1039 raeburn 7936: my $ownaccess;
1.1043 raeburn 7937: # Community Coordinator or Assistant Co-author browsing resource space.
1.1039 raeburn 7938: if (($priv eq 'bro') && ($env{'user.author'})) {
7939: if ($uri eq '') {
7940: $ownaccess = 1;
7941: } else {
7942: if (($env{'user.domain'} ne '') && ($env{'user.name'} ne '')) {
7943: my $udom = $env{'user.domain'};
7944: my $uname = $env{'user.name'};
7945: if ($uri =~ m{^\Q$udom\E/?$}) {
7946: $ownaccess = 1;
1.1040 raeburn 7947: } elsif ($uri =~ m{^\Q$udom\E/\Q$uname\E/?}) {
1.1039 raeburn 7948: unless ($uri =~ m{\.\./}) {
7949: $ownaccess = 1;
7950: }
7951: } elsif (($udom ne 'public') && ($uname ne 'public')) {
7952: my $now = time;
7953: if ($uri =~ m{^([^/]+)/?$}) {
7954: my $adom = $1;
7955: foreach my $key (keys(%env)) {
1.1042 raeburn 7956: if ($key =~ m{^user\.role\.(ca|aa)/\Q$adom\E}) {
1.1039 raeburn 7957: my ($start,$end) = split('.',$env{$key});
7958: if (($now >= $start) && (!$end || $end < $now)) {
7959: $ownaccess = 1;
7960: last;
7961: }
7962: }
7963: }
7964: } elsif ($uri =~ m{^([^/]+)/([^/]+)/?}) {
7965: my $adom = $1;
7966: my $aname = $2;
1.1042 raeburn 7967: foreach my $role ('ca','aa') {
7968: if ($env{"user.role.$role./$adom/$aname"}) {
7969: my ($start,$end) =
7970: split('.',$env{"user.role.$role./$adom/$aname"});
7971: if (($now >= $start) && (!$end || $end < $now)) {
7972: $ownaccess = 1;
7973: last;
7974: }
1.1039 raeburn 7975: }
7976: }
7977: }
7978: }
7979: }
7980: }
7981: }
7982:
1.52 www 7983: # Course
7984:
1.620 albertel 7985: if ($env{'user.priv.'.$env{'request.role'}.'./'}=~/\Q$priv\E\&([^\:]*)/) {
1.1043 raeburn 7986: unless (($priv eq 'bro') && (!$ownaccess)) {
1.1039 raeburn 7987: $thisallowed.=$1;
7988: }
1.52 www 7989: }
1.29 www 7990:
1.52 www 7991: # Domain
7992:
1.620 albertel 7993: if ($env{'user.priv.'.$env{'request.role'}.'./'.(split(/\//,$uri))[0].'/'}
1.479 albertel 7994: =~/\Q$priv\E\&([^\:]*)/) {
1.1043 raeburn 7995: unless (($priv eq 'bro') && (!$ownaccess)) {
1.1039 raeburn 7996: $thisallowed.=$1;
7997: }
1.12 www 7998: }
1.52 www 7999:
1.1141 raeburn 8000: # User who is not author or co-author might still be able to edit
8001: # resource of an author in the domain (e.g., if Domain Coordinator).
8002: if (($priv eq 'eco') && ($thisallowed eq '') && ($env{'request.course.id'}) &&
8003: (&allowed('mdc',$env{'request.course.id'}))) {
8004: if ($env{"user.priv.cm./$uri/"}=~/\Q$priv\E\&([^\:]*)/) {
8005: $thisallowed.=$1;
8006: }
8007: }
8008:
1.52 www 8009: # Course: uri itself is a course
1.66 www 8010: my $courseuri=$uri;
8011: $courseuri=~s/\_(\d)/\/$1/;
1.83 www 8012: $courseuri=~s/^([^\/])/\/$1/;
1.81 www 8013:
1.620 albertel 8014: if ($env{'user.priv.'.$env{'request.role'}.'.'.$courseuri}
1.479 albertel 8015: =~/\Q$priv\E\&([^\:]*)/) {
1.1172.2.115 raeburn 8016: if ($priv eq 'mip') {
8017: my $rem = $1;
8018: if (($uri ne '') && ($env{'request.course.id'} eq $uri) &&
8019: ($env{'course.'.$env{'request.course.id'}.'.internal.courseowner'} eq $env{'user.name'}.':'.$env{'user.domain'})) {
8020: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
8021: if ($cdom ne '') {
8022: my %passwdconf = &get_passwdconf($cdom);
8023: if (ref($passwdconf{'crsownerchg'}) eq 'HASH') {
8024: if (ref($passwdconf{'crsownerchg'}{'by'}) eq 'ARRAY') {
8025: if (@{$passwdconf{'crsownerchg'}{'by'}}) {
8026: my @inststatuses = split(':',$env{'environment.inststatus'});
8027: unless (@inststatuses) {
8028: @inststatuses = ('default');
8029: }
8030: foreach my $status (@inststatuses) {
8031: if (grep(/^\Q$status\E$/,@{$passwdconf{'crsownerchg'}{'by'}})) {
8032: $thisallowed.=$rem;
8033: }
8034: }
8035: }
8036: }
8037: }
8038: }
8039: }
8040: } else {
8041: unless (($priv eq 'bro') && (!$ownaccess)) {
8042: $thisallowed.=$1;
8043: }
1.1039 raeburn 8044: }
1.12 www 8045: }
1.29 www 8046:
1.665 albertel 8047: # URI is an uploaded document for this course, default permissions don't matter
1.611 albertel 8048: # not allowing 'edit' access (editupload) to uploaded course docs
1.492 albertel 8049: if (($priv eq 'bre') && ($uri=~m|^uploaded/|)) {
1.665 albertel 8050: $thisallowed='';
1.671 raeburn 8051: my ($match)=&is_on_map($uri);
8052: if ($match) {
8053: if ($env{'user.priv.'.$env{'request.role'}.'./'}
8054: =~/\Q$priv\E\&([^\:]*)/) {
1.1172.2.65 raeburn 8055: my $value = $1;
8056: if ($noblockcheck) {
8057: $thisallowed.=$value;
1.1162 raeburn 8058: } else {
1.1172.2.118. .8(raebu 8059:20): my @blockers = &has_comm_blocking($priv,$symb,$uri,$ignorecache);
1.1172.2.65 raeburn 8060: if (@blockers > 0) {
8061: $thisallowed = 'B';
8062: } else {
8063: $thisallowed.=$value;
8064: }
1.1162 raeburn 8065: }
1.671 raeburn 8066: }
8067: } else {
1.705 albertel 8068: my $refuri = $env{'httpref.'.$orguri} || $env{'httpref.'.$ver_orguri};
1.671 raeburn 8069: if ($refuri) {
8070: if ($refuri =~ m|^/adm/|) {
1.669 raeburn 8071: $thisallowed='F';
1.671 raeburn 8072: } else {
8073: $refuri=&declutter($refuri);
8074: my ($match) = &is_on_map($refuri);
8075: if ($match) {
1.1172.2.65 raeburn 8076: if ($noblockcheck) {
1.1162 raeburn 8077: $thisallowed='F';
1.1172.2.65 raeburn 8078: } else {
1.1172.2.118. .8(raebu 8079:20): my @blockers = &has_comm_blocking($priv,'',$refuri,'',1);
1.1172.2.65 raeburn 8080: if (@blockers > 0) {
8081: $thisallowed = 'B';
8082: } else {
8083: $thisallowed='F';
8084: }
1.1162 raeburn 8085: }
1.671 raeburn 8086: }
1.669 raeburn 8087: }
1.671 raeburn 8088: }
8089: }
1.314 www 8090: }
1.492 albertel 8091:
1.766 albertel 8092: if ($priv eq 'bre'
8093: && $thisallowed ne 'F'
8094: && $thisallowed ne '2'
8095: && &is_portfolio_url($uri)) {
1.1172.2.77 raeburn 8096: $thisallowed = &portfolio_access($uri,$clientip);
1.766 albertel 8097: }
1.1172.2.118. .8(raebu 8098:20):
1.52 www 8099: # Full access at system, domain or course-wide level? Exit.
1.29 www 8100: if ($thisallowed=~/F/) {
8101: return 'F';
8102: }
8103:
1.52 www 8104: # If this is generating or modifying users, exit with special codes
1.29 www 8105:
1.643 www 8106: if (':csu:cdc:ccc:cin:cta:cep:ccr:cst:cad:cli:cau:cdg:cca:caa:'=~/\:\Q$priv\E\:/) {
8107: if (($priv eq 'cca') || ($priv eq 'caa')) {
1.642 albertel 8108: my ($audom,$auname)=split('/',$uri);
1.643 www 8109: # no author name given, so this just checks on the general right to make a co-author in this domain
8110: unless ($auname) { return $thisallowed; }
8111: # an author name is given, so we are about to actually make a co-author for a certain account
1.642 albertel 8112: if (($auname ne $env{'user.name'} && $env{'request.role'} !~ /^dc\./) ||
8113: (($audom ne $env{'user.domain'} && $env{'request.role'} !~ /^dc\./) &&
8114: ($audom ne $env{'request.role.domain'}))) { return ''; }
8115: }
1.52 www 8116: return $thisallowed;
8117: }
8118: #
1.103 harris41 8119: # Gathered so far: system, domain and course wide privileges
1.52 www 8120: #
8121: # Course: See if uri or referer is an individual resource that is part of
8122: # the course
8123:
1.620 albertel 8124: if ($env{'request.course.id'}) {
1.232 www 8125:
1.1172.2.115 raeburn 8126: # If this is modifying password (internal auth) domains must match for user and user's role.
8127:
8128: if ($priv eq 'mip') {
8129: if ($env{'user.domain'} eq $env{'request.role.domain'}) {
8130: return $thisallowed;
8131: } else {
8132: return '';
8133: }
8134: }
8135:
1.620 albertel 8136: $courseprivid=$env{'request.course.id'};
8137: if ($env{'request.course.sec'}) {
8138: $courseprivid.='/'.$env{'request.course.sec'};
1.52 www 8139: }
8140: $courseprivid=~s/\_/\//;
8141: my $checkreferer=1;
1.232 www 8142: my ($match,$cond)=&is_on_map($uri);
8143: if ($match) {
8144: $statecond=$cond;
1.620 albertel 8145: if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid}
1.479 albertel 8146: =~/\Q$priv\E\&([^\:]*)/) {
1.1162 raeburn 8147: my $value = $1;
8148: if ($priv eq 'bre') {
1.1172.2.65 raeburn 8149: if ($noblockcheck) {
1.1162 raeburn 8150: $thisallowed.=$value;
1.1172.2.65 raeburn 8151: } else {
1.1172.2.118. .8(raebu 8152:20): my @blockers = &has_comm_blocking($priv,$symb,$uri,$ignorecache);
1.1172.2.65 raeburn 8153: if (@blockers > 0) {
8154: $thisallowed = 'B';
8155: } else {
8156: $thisallowed.=$value;
8157: }
1.1162 raeburn 8158: }
8159: } else {
8160: $thisallowed.=$value;
8161: }
1.52 www 8162: $checkreferer=0;
8163: }
1.29 www 8164: }
1.1172.2.118. .8(raebu 8165:20):
1.148 www 8166: if ($checkreferer) {
1.620 albertel 8167: my $refuri=$env{'httpref.'.$orguri};
1.148 www 8168: unless ($refuri) {
1.800 albertel 8169: foreach my $key (keys(%env)) {
8170: if ($key=~/^httpref\..*\*/) {
8171: my $pattern=$key;
1.156 www 8172: $pattern=~s/^httpref\.\/res\///;
1.148 www 8173: $pattern=~s/\*/\[\^\/\]\+/g;
8174: $pattern=~s/\//\\\//g;
1.152 www 8175: if ($orguri=~/$pattern/) {
1.800 albertel 8176: $refuri=$env{$key};
1.148 www 8177: }
8178: }
1.191 harris41 8179: }
1.148 www 8180: }
1.232 www 8181:
1.148 www 8182: if ($refuri) {
1.152 www 8183: $refuri=&declutter($refuri);
1.232 www 8184: my ($match,$cond)=&is_on_map($refuri);
8185: if ($match) {
8186: my $refstatecond=$cond;
1.620 albertel 8187: if ($env{'user.priv.'.$env{'request.role'}.'./'.$courseprivid}
1.479 albertel 8188: =~/\Q$priv\E\&([^\:]*)/) {
1.1162 raeburn 8189: my $value = $1;
8190: if ($priv eq 'bre') {
1.1172.2.65 raeburn 8191: if ($noblockcheck) {
1.1162 raeburn 8192: $thisallowed.=$value;
1.1172.2.65 raeburn 8193: } else {
1.1172.2.118. .8(raebu 8194:20): my @blockers = &has_comm_blocking($priv,'',$refuri,'',1);
1.1172.2.65 raeburn 8195: if (@blockers > 0) {
8196: $thisallowed = 'B';
8197: } else {
8198: $thisallowed.=$value;
8199: }
1.1162 raeburn 8200: }
8201: } else {
8202: $thisallowed.=$value;
8203: }
1.53 www 8204: $uri=$refuri;
8205: $statecond=$refstatecond;
1.52 www 8206: }
8207: }
1.148 www 8208: }
1.29 www 8209: }
1.52 www 8210: }
1.29 www 8211:
1.52 www 8212: #
1.103 harris41 8213: # Gathered now: all privileges that could apply, and condition number
1.52 www 8214: #
8215: #
8216: # Full or no access?
8217: #
1.29 www 8218:
1.52 www 8219: if ($thisallowed=~/F/) {
8220: return 'F';
8221: }
1.29 www 8222:
1.52 www 8223: unless ($thisallowed) {
8224: return '';
8225: }
1.29 www 8226:
1.52 www 8227: # Restrictions exist, deal with them
8228: #
8229: # C:according to course preferences
8230: # R:according to resource settings
8231: # L:unless locked
8232: # X:according to user session state
8233: #
8234:
8235: # Possibly locked functionality, check all courses
1.54 www 8236: # Locks might take effect only after 10 minutes cache expiration for other
8237: # courses, and 2 minutes for current course
1.52 www 8238:
8239: my $envkey;
8240: if ($thisallowed=~/L/) {
1.1000 raeburn 8241: foreach $envkey (keys(%env)) {
1.54 www 8242: if ($envkey=~/^user\.role\.(st|ta)\.([^\.]*)/) {
8243: my $courseid=$2;
8244: my $roleid=$1.'.'.$2;
1.92 www 8245: $courseid=~s/^\///;
1.54 www 8246: my $expiretime=600;
1.620 albertel 8247: if ($env{'request.role'} eq $roleid) {
1.54 www 8248: $expiretime=120;
8249: }
8250: my ($cdom,$cnum,$csec)=split(/\//,$courseid);
8251: my $prefix='course.'.$cdom.'_'.$cnum.'.';
1.620 albertel 8252: if ((time-$env{$prefix.'last_cache'})>$expiretime) {
1.731 albertel 8253: &coursedescription($courseid,{'freshen_cache' => 1});
1.54 www 8254: }
1.620 albertel 8255: if (($env{$prefix.'res.'.$uri.'.lock.sections'}=~/\,\Q$csec\E\,/)
8256: || ($env{$prefix.'res.'.$uri.'.lock.sections'} eq 'all')) {
8257: if ($env{$prefix.'res.'.$uri.'.lock.expire'}>time) {
8258: &log($env{'user.domain'},$env{'user.name'},
8259: $env{'user.home'},
1.57 www 8260: 'Locked by res: '.$priv.' for '.$uri.' due to '.
1.52 www 8261: $cdom.'/'.$cnum.'/'.$csec.' expire '.
1.620 albertel 8262: $env{$prefix.'priv.'.$priv.'.lock.expire'});
1.52 www 8263: return '';
8264: }
8265: }
1.620 albertel 8266: if (($env{$prefix.'priv.'.$priv.'.lock.sections'}=~/\,\Q$csec\E\,/)
8267: || ($env{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) {
8268: if ($env{'priv.'.$priv.'.lock.expire'}>time) {
8269: &log($env{'user.domain'},$env{'user.name'},
8270: $env{'user.home'},
1.57 www 8271: 'Locked by priv: '.$priv.' for '.$uri.' due to '.
1.52 www 8272: $cdom.'/'.$cnum.'/'.$csec.' expire '.
1.620 albertel 8273: $env{$prefix.'priv.'.$priv.'.lock.expire'});
1.52 www 8274: return '';
8275: }
8276: }
8277: }
1.29 www 8278: }
1.52 www 8279: }
1.1172.2.118. .8(raebu 8280:20):
1.52 www 8281: #
8282: # Rest of the restrictions depend on selected course
8283: #
8284:
1.620 albertel 8285: unless ($env{'request.course.id'}) {
1.766 albertel 8286: if ($thisallowed eq 'A') {
8287: return 'A';
1.814 raeburn 8288: } elsif ($thisallowed eq 'B') {
8289: return 'B';
1.766 albertel 8290: } else {
8291: return '1';
8292: }
1.52 www 8293: }
1.29 www 8294:
1.52 www 8295: #
8296: # Now user is definitely in a course
8297: #
1.53 www 8298:
8299:
8300: # Course preferences
8301:
8302: if ($thisallowed=~/C/) {
1.620 albertel 8303: my $rolecode=(split(/\./,$env{'request.role'}))[0];
8304: my $unamedom=$env{'user.name'}.':'.$env{'user.domain'};
8305: if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.roles.denied'}
1.479 albertel 8306: =~/\Q$rolecode\E/) {
1.1103 raeburn 8307: if (($priv ne 'pch') && ($priv ne 'plc')) {
1.689 albertel 8308: &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'.
8309: 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '.
8310: $env{'request.course.id'});
8311: }
1.237 www 8312: return '';
8313: }
8314:
1.620 albertel 8315: if ($env{'course.'.$env{'request.course.id'}.'.'.$priv.'.users.denied'}
1.479 albertel 8316: =~/\Q$unamedom\E/) {
1.1103 raeburn 8317: if (($priv ne 'pch') && ($priv ne 'plc')) {
1.689 albertel 8318: &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.
8319: 'Denied by user: '.$priv.' for '.$uri.' as '.$unamedom.' in '.
8320: $env{'request.course.id'});
8321: }
1.54 www 8322: return '';
8323: }
1.53 www 8324: }
8325:
8326: # Resource preferences
8327:
8328: if ($thisallowed=~/R/) {
1.620 albertel 8329: my $rolecode=(split(/\./,$env{'request.role'}))[0];
1.479 albertel 8330: if (&metadata($uri,'roledeny')=~/\Q$rolecode\E/) {
1.1103 raeburn 8331: if (($priv ne 'pch') && ($priv ne 'plc')) {
1.689 albertel 8332: &logthis($env{'user.domain'}.':'.$env{'user.name'}.':'.$env{'user.home'}.':'.
8333: 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode);
8334: }
8335: return '';
1.54 www 8336: }
1.53 www 8337: }
1.30 www 8338:
1.246 www 8339: # Restricted by state or randomout?
1.30 www 8340:
1.52 www 8341: if ($thisallowed=~/X/) {
1.620 albertel 8342: if ($env{'acc.randomout'}) {
1.579 albertel 8343: if (!$symb) { $symb=&symbread($uri,1); }
1.620 albertel 8344: if (($symb) && ($env{'acc.randomout'}=~/\&\Q$symb\E\&/)) {
1.248 www 8345: return '';
8346: }
1.247 www 8347: }
8348: if (&condval($statecond)) {
1.52 www 8349: return '2';
8350: } else {
8351: return '';
8352: }
8353: }
1.30 www 8354:
1.766 albertel 8355: if ($thisallowed eq 'A') {
8356: return 'A';
1.814 raeburn 8357: } elsif ($thisallowed eq 'B') {
8358: return 'B';
1.766 albertel 8359: }
1.52 www 8360: return 'F';
1.232 www 8361: }
1.1162 raeburn 8362:
1.1172.2.13 raeburn 8363: # ------------------------------------------- Check construction space access
8364:
8365: sub constructaccess {
8366: my ($url,$setpriv)=@_;
8367:
8368: # We do not allow editing of previous versions of files
8369: if ($url=~/\.(\d+)\.(\w+)$/) { return ''; }
8370:
8371: # Get username and domain from URL
8372: my ($ownername,$ownerdomain,$ownerhome);
8373:
8374: ($ownerdomain,$ownername) =
1.1172.2.83 raeburn 8375: ($url=~ m{^(?:\Q$perlvar{'lonDocRoot'}\E|)/priv/($match_domain)/($match_username)(?:/|$)});
1.1172.2.13 raeburn 8376:
8377: # The URL does not really point to any authorspace, forget it
8378: unless (($ownername) && ($ownerdomain)) { return ''; }
8379:
8380: # Now we need to see if the user has access to the authorspace of
8381: # $ownername at $ownerdomain
8382:
8383: if (($ownername eq $env{'user.name'}) && ($ownerdomain eq $env{'user.domain'})) {
8384: # Real author for this?
8385: $ownerhome = $env{'user.home'};
8386: if (exists($env{'user.priv.au./'.$ownerdomain.'/./'})) {
8387: return ($ownername,$ownerdomain,$ownerhome);
8388: }
8389: } else {
8390: # Co-author for this?
8391: if (exists($env{'user.priv.ca./'.$ownerdomain.'/'.$ownername.'./'}) ||
8392: exists($env{'user.priv.aa./'.$ownerdomain.'/'.$ownername.'./'}) ) {
8393: $ownerhome = &homeserver($ownername,$ownerdomain);
8394: return ($ownername,$ownerdomain,$ownerhome);
8395: }
8396: }
8397:
8398: # We don't have any access right now. If we are not possibly going to do anything about this,
8399: # we might as well leave
8400: unless ($setpriv) { return ''; }
8401:
8402: # Backdoor access?
8403: my $allowed=&allowed('eco',$ownerdomain);
8404: # Nope
8405: unless ($allowed) { return ''; }
8406: # Looks like we may have access, but could be locked by the owner of the construction space
8407: if ($allowed eq 'U') {
8408: my %blocked=&get('environment',['domcoord.author'],
8409: $ownerdomain,$ownername);
8410: # Is blocked by owner
8411: if ($blocked{'domcoord.author'} eq 'blocked') { return ''; }
8412: }
8413: if (($allowed eq 'F') || ($allowed eq 'U')) {
8414: # Grant temporary access
8415: my $then=$env{'user.login.time'};
1.1172.2.16 raeburn 8416: my $update=$env{'user.update.time'};
1.1172.2.13 raeburn 8417: if (!$update) { $update = $then; }
8418: my $refresh=$env{'user.refresh.time'};
8419: if (!$refresh) { $refresh = $update; }
8420: my $now = time;
8421: &check_adhoc_privs($ownerdomain,$ownername,$update,$refresh,
8422: $now,'ca','constructaccess');
8423: $ownerhome = &homeserver($ownername,$ownerdomain);
8424: return($ownername,$ownerdomain,$ownerhome);
8425: }
8426: # No business here
8427: return '';
8428: }
8429:
1.1172.2.66 raeburn 8430: # ----------------------------------------------------------- Content Blocking
8431:
8432: {
8433: # Caches for faster Course Contents display where content blocking
8434: # is in operation (i.e., interval param set) for timed quiz.
8435: #
8436: # User for whom data are being temporarily cached.
8437: my $cacheduser='';
1.1172.2.118. .8(raebu 8438:20): # Course for which data are being temporarily cached.
8439:20): my $cachedcid='';
8440:20): # List of blocks passed to &get_commblock_resources();
8441:20): my $cachedblocks='';
1.1172.2.66 raeburn 8442: # Cached blockers for this user (a hash of blocking items).
8443: my %cachedblockers=();
8444: # When the data were last cached.
8445: my $cachedlast='';
8446:
8447: sub load_all_blockers {
8448: my ($uname,$udom,$blocks)=@_;
8449: if (($uname ne '') && ($udom ne '')) {
8450: if (($cacheduser eq $uname.':'.$udom) &&
1.1172.2.118. .8(raebu 8451:20): ($cachedcid eq $env{'request.course.id'}) &&
8452:20): (abs($cachedlast-time)<5) &&
8453:20): (((ref($blocks) eq 'HASH') &&
8454:20): ($cachedblocks eq join(',',sort(keys(%{$blocks}))))) ||
8455:20): (!ref($blocks) && $cachedblocks eq ''))) {
1.1172.2.66 raeburn 8456: return;
8457: }
8458: }
8459: $cachedlast=time;
8460: $cacheduser=$uname.':'.$udom;
1.1172.2.118. .8(raebu 8461:20): $cachedcid=$env{'request.course.id'};
1.1172.2.66 raeburn 8462: %cachedblockers = &get_commblock_resources($blocks);
1.1172.2.118. .8(raebu 8463:20): if ((ref($blocks) eq 'HASH') && (keys(%{$blocks}) > 0)) {
8464:20): $cachedblocks = join(',',sort(keys(%{$blocks})));
8465:20): }
8466:20): return;
1.1172.2.66 raeburn 8467: }
8468:
1.1162 raeburn 8469: sub get_comm_blocks {
8470: my ($cdom,$cnum) = @_;
8471: if ($cdom eq '' || $cnum eq '') {
8472: return unless ($env{'request.course.id'});
8473: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
8474: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
8475: }
8476: my %commblocks;
8477: my $hashid=$cdom.'_'.$cnum;
8478: my ($blocksref,$cached)=&is_cached_new('comm_block',$hashid);
8479: if ((defined($cached)) && (ref($blocksref) eq 'HASH')) {
8480: %commblocks = %{$blocksref};
8481: } else {
8482: %commblocks = &Apache::lonnet::dump('comm_block',$cdom,$cnum);
8483: my $cachetime = 600;
8484: &do_cache_new('comm_block',$hashid,\%commblocks,$cachetime);
8485: }
8486: return %commblocks;
8487: }
8488:
1.1172.2.66 raeburn 8489: sub get_commblock_resources {
8490: my ($blocks) = @_;
8491: my %blockers = ();
8492: return %blockers unless ($env{'request.course.id'});
8493: return %blockers if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/);
1.1162 raeburn 8494: my %commblocks;
8495: if (ref($blocks) eq 'HASH') {
8496: %commblocks = %{$blocks};
8497: } else {
8498: %commblocks = &get_comm_blocks();
8499: }
1.1172.2.66 raeburn 8500: return %blockers unless (keys(%commblocks) > 0);
1.1163 raeburn 8501: my $navmap = Apache::lonnavmaps::navmap->new();
1.1172.2.66 raeburn 8502: return %blockers unless (ref($navmap));
8503: my $now = time;
1.1162 raeburn 8504: foreach my $block (keys(%commblocks)) {
8505: if ($block =~ /^(\d+)____(\d+)$/) {
8506: my ($start,$end) = ($1,$2);
8507: if ($start <= $now && $end >= $now) {
8508: if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {
8509: if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') {
8510: if (ref($commblocks{$block}{'blocks'}{'docs'}{'maps'}) eq 'HASH') {
1.1172.2.66 raeburn 8511: if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'maps'}})) {
8512: $blockers{$block}{maps} = $commblocks{$block}{'blocks'}{'docs'}{'maps'};
1.1162 raeburn 8513: }
8514: }
8515: if (ref($commblocks{$block}{'blocks'}{'docs'}{'resources'}) eq 'HASH') {
1.1172.2.66 raeburn 8516: if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'resources'}})) {
8517: $blockers{$block}{'resources'} = $commblocks{$block}{'blocks'}{'docs'}{'resources'};
1.1162 raeburn 8518: }
8519: }
8520: }
8521: }
8522: }
8523: } elsif ($block =~ /^firstaccess____(.+)$/) {
8524: my $item = $1;
1.1163 raeburn 8525: my @to_test;
1.1162 raeburn 8526: if (ref($commblocks{$block}{'blocks'}) eq 'HASH') {
8527: if (ref($commblocks{$block}{'blocks'}{'docs'}) eq 'HASH') {
1.1172.2.66 raeburn 8528: my @interval;
8529: my $type = 'map';
8530: if ($item eq 'course') {
8531: $type = 'course';
8532: @interval=&EXT("resource.0.interval");
8533: } else {
8534: if ($item =~ /___\d+___/) {
8535: $type = 'resource';
8536: @interval=&EXT("resource.0.interval",$item);
8537: if (ref($navmap)) {
8538: my $res = $navmap->getBySymb($item);
8539: push(@to_test,$res);
8540: }
1.1162 raeburn 8541: } else {
1.1172.2.66 raeburn 8542: my $mapsymb = &symbread($item,1);
8543: if ($mapsymb) {
8544: if (ref($navmap)) {
8545: my $mapres = $navmap->getBySymb($mapsymb);
8546: @to_test = $mapres->retrieveResources($mapres,undef,0,0,0,1);
8547: foreach my $res (@to_test) {
8548: my $symb = $res->symb();
8549: next if ($symb eq $mapsymb);
8550: if ($symb ne '') {
8551: @interval=&EXT("resource.0.interval",$symb);
8552: if ($interval[1] eq 'map') {
8553: last;
1.1162 raeburn 8554: }
8555: }
8556: }
8557: }
8558: }
8559: }
1.1172.2.66 raeburn 8560: }
1.1172.2.118. .1(raebu 8561:20): if ($interval[0] =~ /^(\d+)/) {
8562:20): my $timelimit = $1;
1.1172.2.66 raeburn 8563: my $first_access;
8564: if ($type eq 'resource') {
8565: $first_access=&get_first_access($interval[1],$item);
8566: } elsif ($type eq 'map') {
8567: $first_access=&get_first_access($interval[1],undef,$item);
8568: } else {
8569: $first_access=&get_first_access($interval[1]);
8570: }
8571: if ($first_access) {
1.1172.2.118. .1(raebu 8572:20): my $timesup = $first_access+$timelimit;
1.1172.2.66 raeburn 8573: if ($timesup > $now) {
8574: my $activeblock;
8575: foreach my $res (@to_test) {
8576: if ($res->answerable()) {
8577: $activeblock = 1;
8578: last;
8579: }
8580: }
8581: if ($activeblock) {
8582: if (ref($commblocks{$block}{'blocks'}{'docs'}{'maps'}) eq 'HASH') {
8583: if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'maps'}})) {
8584: $blockers{$block}{'maps'} = $commblocks{$block}{'blocks'}{'docs'}{'maps'};
8585: }
8586: }
8587: if (ref($commblocks{$block}{'blocks'}{'docs'}{'resources'}) eq 'HASH') {
8588: if (keys(%{$commblocks{$block}{'blocks'}{'docs'}{'resources'}})) {
8589: $blockers{$block}{'resources'} = $commblocks{$block}{'blocks'}{'docs'}{'resources'};
1.1163 raeburn 8590: }
1.1162 raeburn 8591: }
8592: }
8593: }
8594: }
8595: }
8596: }
8597: }
8598: }
8599: }
1.1172.2.66 raeburn 8600: return %blockers;
1.1162 raeburn 8601: }
8602:
1.1172.2.66 raeburn 8603: sub has_comm_blocking {
1.1172.2.118. .8(raebu 8604:20): my ($priv,$symb,$uri,$nosymbcache,$noenccheck,$blocked,$blocks) = @_;
1.1172.2.66 raeburn 8605: my @blockers;
8606: return unless ($env{'request.course.id'});
8607: return unless ($priv eq 'bre');
8608: return if ($env{'user.priv.'.$env{'request.role'}} =~/evb\&([^\:]*)/);
8609: return if ($env{'request.state'} eq 'construct');
8610: &load_all_blockers($env{'user.name'},$env{'user.domain'},$blocks);
8611: return unless (keys(%cachedblockers) > 0);
8612: my (%possibles,@symbs);
8613: if (!$symb) {
1.1172.2.118. .8(raebu 8614:20): $symb = &symbread($uri,1,1,1,\%possibles,$nosymbcache,$noenccheck);
1.1162 raeburn 8615: }
1.1172.2.66 raeburn 8616: if ($symb) {
8617: @symbs = ($symb);
8618: } elsif (keys(%possibles)) {
8619: @symbs = keys(%possibles);
8620: }
8621: my $noblock;
8622: foreach my $symb (@symbs) {
8623: last if ($noblock);
8624: my ($map,$resid,$resurl)=&decode_symb($symb);
8625: foreach my $block (keys(%cachedblockers)) {
8626: if ($block =~ /^firstaccess____(.+)$/) {
8627: my $item = $1;
1.1172.2.118. .8(raebu 8628:20): unless ($blocked) {
8629:20): if (($item eq $map) || ($item eq $symb)) {
8630:20): $noblock = 1;
8631:20): last;
8632:20): }
1.1172.2.66 raeburn 8633: }
1.1162 raeburn 8634: }
1.1172.2.66 raeburn 8635: if (ref($cachedblockers{$block}) eq 'HASH') {
8636: if (ref($cachedblockers{$block}{'resources'}) eq 'HASH') {
8637: if ($cachedblockers{$block}{'resources'}{$symb}) {
8638: unless (grep(/^\Q$block\E$/,@blockers)) {
8639: push(@blockers,$block);
8640: }
8641: }
8642: }
1.1172.2.118. .8(raebu 8643:20): if (ref($cachedblockers{$block}{'maps'}) eq 'HASH') {
8644:20): if ($cachedblockers{$block}{'maps'}{$map}) {
8645:20): unless (grep(/^\Q$block\E$/,@blockers)) {
8646:20): push(@blockers,$block);
8647:20): }
1.1172.2.66 raeburn 8648: }
8649: }
1.1162 raeburn 8650: }
8651: }
8652: }
1.1172.2.118. .8(raebu 8653:20): unless ($noblock) {
8654:20): return @blockers;
8655:20): }
8656:20): return;
1.1172.2.66 raeburn 8657: }
1.1162 raeburn 8658: }
8659:
1.1172.2.66 raeburn 8660: # -------------------------------- Deversion and split uri into path an filename
8661:
1.1133 foxr 8662: #
1.1172.2.66 raeburn 8663: # Removes the version from a URI and
1.1133 foxr 8664: # splits it in to its filename and path to the filename.
8665: # Seems like File::Basename could have done this more clearly.
8666: # Parameters:
8667: # $uri - input URI
8668: # Returns:
8669: # Two element list consisting of
8670: # $pathname - the URI up to and excluding the trailing /
8671: # $filename - The part of the URI following the last /
8672: # NOTE:
8673: # Another realization of this is simply:
8674: # use File::Basename;
8675: # ...
8676: # $uri = shift;
8677: # $filename = basename($uri);
8678: # $path = dirname($uri);
8679: # return ($filename, $path);
8680: #
8681: # The implementation below is probably faster however.
8682: #
1.710 albertel 8683: sub split_uri_for_cond {
8684: my $uri=&deversion(&declutter(shift));
8685: my @uriparts=split(/\//,$uri);
8686: my $filename=pop(@uriparts);
8687: my $pathname=join('/',@uriparts);
8688: return ($pathname,$filename);
8689: }
1.232 www 8690: # --------------------------------------------------- Is a resource on the map?
8691:
8692: sub is_on_map {
1.710 albertel 8693: my ($pathname,$filename) = &split_uri_for_cond(shift);
1.289 bowersj2 8694: #Trying to find the conditional for the file
1.620 albertel 8695: my $match=($env{'acc.res.'.$env{'request.course.id'}.'.'.$pathname}=~
1.289 bowersj2 8696: /\&\Q$filename\E\:([\d\|]+)\&/);
1.232 www 8697: if ($match) {
1.289 bowersj2 8698: return (1,$1);
8699: } else {
1.434 www 8700: return (0,0);
1.289 bowersj2 8701: }
1.12 www 8702: }
8703:
1.427 www 8704: # --------------------------------------------------------- Get symb from alias
8705:
8706: sub get_symb_from_alias {
8707: my $symb=shift;
8708: my ($map,$resid,$url)=&decode_symb($symb);
8709: # Already is a symb
8710: if ($url) { return $symb; }
8711: # Must be an alias
8712: my $aliassymb='';
8713: my %bighash;
1.620 albertel 8714: if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
1.427 www 8715: &GDBM_READER(),0640)) {
8716: my $rid=$bighash{'mapalias_'.$symb};
8717: if ($rid) {
8718: my ($mapid,$resid)=split(/\./,$rid);
1.429 albertel 8719: $aliassymb=&encode_symb($bighash{'map_id_'.$mapid},
8720: $resid,$bighash{'src_'.$rid});
1.427 www 8721: }
8722: untie %bighash;
8723: }
8724: return $aliassymb;
8725: }
8726:
1.12 www 8727: # ----------------------------------------------------------------- Define Role
8728:
8729: sub definerole {
8730: if (allowed('mcr','/')) {
1.1172.2.84 raeburn 8731: my ($rolename,$sysrole,$domrole,$courole,$uname,$udom)=@_;
1.800 albertel 8732: foreach my $role (split(':',$sysrole)) {
8733: my ($crole,$cqual)=split(/\&/,$role);
1.479 albertel 8734: if ($pr{'cr:s'}!~/\Q$crole\E/) { return "refused:s:$crole"; }
8735: if ($pr{'cr:s'}=~/\Q$crole\E\&/) {
8736: if ($pr{'cr:s'}!~/\Q$crole\E\&\w*\Q$cqual\E/) {
1.21 www 8737: return "refused:s:$crole&$cqual";
8738: }
8739: }
1.191 harris41 8740: }
1.800 albertel 8741: foreach my $role (split(':',$domrole)) {
8742: my ($crole,$cqual)=split(/\&/,$role);
1.479 albertel 8743: if ($pr{'cr:d'}!~/\Q$crole\E/) { return "refused:d:$crole"; }
8744: if ($pr{'cr:d'}=~/\Q$crole\E\&/) {
8745: if ($pr{'cr:d'}!~/\Q$crole\W\&\w*\Q$cqual\E/) {
1.21 www 8746: return "refused:d:$crole&$cqual";
8747: }
8748: }
1.191 harris41 8749: }
1.800 albertel 8750: foreach my $role (split(':',$courole)) {
8751: my ($crole,$cqual)=split(/\&/,$role);
1.479 albertel 8752: if ($pr{'cr:c'}!~/\Q$crole\E/) { return "refused:c:$crole"; }
8753: if ($pr{'cr:c'}=~/\Q$crole\E\&/) {
8754: if ($pr{'cr:c'}!~/\Q$crole\E\&\w*\Q$cqual\E/) {
1.21 www 8755: return "refused:c:$crole&$cqual";
8756: }
8757: }
1.191 harris41 8758: }
1.1172.2.84 raeburn 8759: my $uhome;
8760: if (($uname ne '') && ($udom ne '')) {
8761: $uhome = &homeserver($uname,$udom);
8762: return $uhome if ($uhome eq 'no_host');
8763: } else {
8764: $uname = $env{'user.name'};
8765: $udom = $env{'user.domain'};
8766: $uhome = $env{'user.home'};
8767: }
1.620 albertel 8768: my $command="encrypt:rolesput:$env{'user.domain'}:$env{'user.name'}:".
1.1172.2.84 raeburn 8769: "$udom:$uname:rolesdef_$rolename=".
1.21 www 8770: escape($sysrole.'_'.$domrole.'_'.$courole);
1.1172.2.84 raeburn 8771: return reply($command,$uhome);
1.12 www 8772: } else {
8773: return 'refused';
8774: }
1.105 harris41 8775: }
8776:
8777: # ---------------- Make a metadata query against the network of library servers
8778:
8779: sub metadata_query {
1.1172.2.33 raeburn 8780: my ($query,$custom,$customshow,$server_array,$domains_hash)=@_;
1.120 harris41 8781: my %rhash;
1.845 albertel 8782: my %libserv = &all_library();
1.244 matthew 8783: my @server_list = (defined($server_array) ? @$server_array
8784: : keys(%libserv) );
8785: for my $server (@server_list) {
1.1172.2.33 raeburn 8786: my $domains = '';
8787: if (ref($domains_hash) eq 'HASH') {
8788: $domains = $domains_hash->{$server};
8789: }
1.118 harris41 8790: unless ($custom or $customshow) {
1.1172.2.33 raeburn 8791: my $reply=&reply("querysend:".&escape($query).':::'.&escape($domains),$server);
1.118 harris41 8792: $rhash{$server}=$reply;
8793: }
8794: else {
8795: my $reply=&reply("querysend:".&escape($query).':'.
1.1172.2.33 raeburn 8796: &escape($custom).':'.&escape($customshow).':'.&escape($domains),
1.118 harris41 8797: $server);
8798: $rhash{$server}=$reply;
8799: }
1.112 harris41 8800: }
1.118 harris41 8801: return \%rhash;
1.240 www 8802: }
8803:
8804: # ----------------------------------------- Send log queries and wait for reply
8805:
8806: sub log_query {
8807: my ($uname,$udom,$query,%filters)=@_;
8808: my $uhome=&homeserver($uname,$udom);
8809: if ($uhome eq 'no_host') { return 'error: no_host'; }
1.838 albertel 8810: my $uhost=&hostname($uhome);
1.800 albertel 8811: my $command=&escape(join(':',map{$_.'='.$filters{$_}} keys(%filters)));
1.240 www 8812: my $queryid=&reply("querysend:".$query.':'.$udom.':'.$uname.':'.$command,
8813: $uhome);
1.479 albertel 8814: unless ($queryid=~/^\Q$uhost\E\_/) { return 'error: '.$queryid; }
1.242 www 8815: return get_query_reply($queryid);
8816: }
8817:
1.818 raeburn 8818: # -------------------------- Update MySQL table for portfolio file
8819:
8820: sub update_portfolio_table {
1.821 raeburn 8821: my ($uname,$udom,$file_name,$query,$group,$action) = @_;
1.970 raeburn 8822: if ($group ne '') {
8823: $file_name =~s /^\Q$group\E//;
8824: }
1.818 raeburn 8825: my $homeserver = &homeserver($uname,$udom);
8826: my $queryid=
1.821 raeburn 8827: &reply("querysend:".$query.':'.&escape($uname.':'.$udom.':'.$group).
8828: ':'.&escape($file_name).':'.$action,$homeserver);
1.818 raeburn 8829: my $reply = &get_query_reply($queryid);
8830: return $reply;
8831: }
8832:
1.899 raeburn 8833: # -------------------------- Update MySQL allusers table
8834:
8835: sub update_allusers_table {
8836: my ($uname,$udom,$names) = @_;
8837: my $homeserver = &homeserver($uname,$udom);
8838: my $queryid=
8839: &reply('querysend:allusers:'.&escape($uname).':'.&escape($udom).':'.
8840: 'lastname='.&escape($names->{'lastname'}).'%%'.
8841: 'firstname='.&escape($names->{'firstname'}).'%%'.
8842: 'middlename='.&escape($names->{'middlename'}).'%%'.
8843: 'generation='.&escape($names->{'generation'}).'%%'.
8844: 'permanentemail='.&escape($names->{'permanentemail'}).'%%'.
8845: 'id='.&escape($names->{'id'}),$homeserver);
1.1075 raeburn 8846: return;
1.899 raeburn 8847: }
8848:
1.508 raeburn 8849: # ------- Request retrieval of institutional classlists for course(s)
1.506 raeburn 8850:
8851: sub fetch_enrollment_query {
1.511 raeburn 8852: my ($context,$affiliatesref,$replyref,$dom,$cnum) = @_;
1.1172.2.79 raeburn 8853: my ($homeserver,$sleep,$loopmax);
1.547 raeburn 8854: my $maxtries = 1;
1.508 raeburn 8855: if ($context eq 'automated') {
8856: $homeserver = $perlvar{'lonHostID'};
1.1172.2.79 raeburn 8857: $sleep = 2;
8858: $loopmax = 100;
1.547 raeburn 8859: $maxtries = 10; # will wait for up to 2000s for retrieval of classlist data before timeout
1.508 raeburn 8860: } else {
8861: $homeserver = &homeserver($cnum,$dom);
8862: }
1.838 albertel 8863: my $host=&hostname($homeserver);
1.506 raeburn 8864: my $cmd = '';
1.1000 raeburn 8865: foreach my $affiliate (keys(%{$affiliatesref})) {
1.800 albertel 8866: $cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%';
1.506 raeburn 8867: }
8868: $cmd =~ s/%%$//;
8869: $cmd = &escape($cmd);
8870: my $query = 'fetchenrollment';
1.620 albertel 8871: my $queryid=&reply("querysend:".$query.':'.$dom.':'.$env{'user.name'}.':'.$cmd,$homeserver);
1.526 raeburn 8872: unless ($queryid=~/^\Q$host\E\_/) {
8873: &logthis('fetch_enrollment_query: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' context: '.$context.' '.$cnum);
8874: return 'error: '.$queryid;
8875: }
1.1172.2.93 raeburn 8876: my $reply = &get_query_reply($queryid,$sleep,$loopmax);
1.547 raeburn 8877: my $tries = 1;
8878: while (($reply=~/^timeout/) && ($tries < $maxtries)) {
1.1172.2.79 raeburn 8879: $reply = &get_query_reply($queryid,$sleep,$loopmax);
1.547 raeburn 8880: $tries ++;
8881: }
1.526 raeburn 8882: if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
1.620 albertel 8883: &logthis('fetch_enrollment_query error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' context: '.$context.' '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries);
1.526 raeburn 8884: } else {
1.901 albertel 8885: my @responses = split(/:/,$reply);
1.1172.2.82 raeburn 8886: if (grep { $_ eq $homeserver } ¤t_machine_ids()) {
1.800 albertel 8887: foreach my $line (@responses) {
8888: my ($key,$value) = split(/=/,$line,2);
1.515 raeburn 8889: $$replyref{$key} = $value;
8890: }
8891: } else {
1.1117 foxr 8892: my $pathname = LONCAPA::tempdir();
1.800 albertel 8893: foreach my $line (@responses) {
8894: my ($key,$value) = split(/=/,$line);
1.506 raeburn 8895: $$replyref{$key} = $value;
8896: if ($value > 0) {
1.800 albertel 8897: foreach my $item (@{$$affiliatesref{$key}}) {
8898: my $filename = $dom.'_'.$key.'_'.$item.'_classlist.xml';
1.506 raeburn 8899: my $destname = $pathname.'/'.$filename;
8900: my $xml_classlist = &reply("autoretrieve:".$filename,$homeserver);
1.526 raeburn 8901: if ($xml_classlist =~ /^error/) {
8902: &logthis('fetch_enrollment_query - autoretrieve error: '.$xml_classlist.' for '.$filename.' from server: '.$homeserver.' '.$context.' '.$cnum);
8903: } else {
1.1172.2.96 raeburn 8904: if ( open(FILE,">",$destname) ) {
1.506 raeburn 8905: print FILE &unescape($xml_classlist);
8906: close(FILE);
1.526 raeburn 8907: } else {
8908: &logthis('fetch_enrollment_query - error opening classlist file '.$destname.' '.$context.' '.$cnum);
1.506 raeburn 8909: }
8910: }
8911: }
8912: }
8913: }
8914: }
8915: return 'ok';
8916: }
8917: return 'error';
8918: }
8919:
1.242 www 8920: sub get_query_reply {
1.1172.2.79 raeburn 8921: my ($queryid,$sleep,$loopmax) = @_;
8922: if (($sleep eq '') || ($sleep !~ /^\d+\.?\d*$/)) {
8923: $sleep = 0.2;
8924: }
8925: if (($loopmax eq '') || ($loopmax =~ /\D/)) {
8926: $loopmax = 100;
8927: }
1.1117 foxr 8928: my $replyfile=LONCAPA::tempdir().$queryid;
1.240 www 8929: my $reply='';
1.1172.2.79 raeburn 8930: for (1..$loopmax) {
8931: sleep($sleep);
1.240 www 8932: if (-e $replyfile.'.end') {
1.1172.2.96 raeburn 8933: if (open(my $fh,"<",$replyfile)) {
1.904 albertel 8934: $reply = join('',<$fh>);
8935: close($fh);
1.240 www 8936: } else { return 'error: reply_file_error'; }
1.242 www 8937: return &unescape($reply);
8938: }
1.240 www 8939: }
1.242 www 8940: return 'timeout:'.$queryid;
1.240 www 8941: }
8942:
8943: sub courselog_query {
1.241 www 8944: #
8945: # possible filters:
8946: # url: url or symb
8947: # username
8948: # domain
8949: # action: view, submit, grade
8950: # start: timestamp
8951: # end: timestamp
8952: #
1.240 www 8953: my (%filters)=@_;
1.620 albertel 8954: unless ($env{'request.course.id'}) { return 'no_course'; }
1.241 www 8955: if ($filters{'url'}) {
8956: $filters{'url'}=&symbclean(&declutter($filters{'url'}));
8957: $filters{'url'}=~s/\.(\w+)$/(\\.\\d+)*\\.$1/;
8958: $filters{'url'}=~s/\.(\w+)\_\_\_/(\\.\\d+)*\\.$1/;
8959: }
1.620 albertel 8960: my $cname=$env{'course.'.$env{'request.course.id'}.'.num'};
8961: my $cdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
1.240 www 8962: return &log_query($cname,$cdom,'courselog',%filters);
8963: }
8964:
8965: sub userlog_query {
1.858 raeburn 8966: #
8967: # possible filters:
8968: # action: log check role
8969: # start: timestamp
8970: # end: timestamp
8971: #
1.240 www 8972: my ($uname,$udom,%filters)=@_;
8973: return &log_query($uname,$udom,'userlog',%filters);
1.12 www 8974: }
8975:
1.506 raeburn 8976: #--------- Call auto-enrollment subs in localenroll.pm for homeserver for course
8977:
8978: sub auto_run {
1.508 raeburn 8979: my ($cnum,$cdom) = @_;
1.876 raeburn 8980: my $response = 0;
8981: my $settings;
8982: my %domconfig = &get_dom('configuration',['autoenroll'],$cdom);
8983: if (ref($domconfig{'autoenroll'}) eq 'HASH') {
8984: $settings = $domconfig{'autoenroll'};
8985: if ($settings->{'run'} eq '1') {
8986: $response = 1;
8987: }
8988: } else {
1.934 raeburn 8989: my $homeserver;
8990: if (&is_course($cdom,$cnum)) {
8991: $homeserver = &homeserver($cnum,$cdom);
8992: } else {
8993: $homeserver = &domain($cdom,'primary');
8994: }
8995: if ($homeserver ne 'no_host') {
8996: $response = &reply('autorun:'.$cdom,$homeserver);
8997: }
1.876 raeburn 8998: }
1.506 raeburn 8999: return $response;
9000: }
1.776 albertel 9001:
1.506 raeburn 9002: sub auto_get_sections {
1.508 raeburn 9003: my ($cnum,$cdom,$inst_coursecode) = @_;
1.1007 raeburn 9004: my $homeserver;
9005: if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
9006: $homeserver = &homeserver($cnum,$cdom);
9007: }
9008: if (!defined($homeserver)) {
9009: if ($cdom =~ /^$match_domain$/) {
9010: $homeserver = &domain($cdom,'primary');
9011: }
9012: }
9013: my @secs;
9014: if (defined($homeserver)) {
9015: my $response=&unescape(&reply('autogetsections:'.$inst_coursecode.':'.$cdom,$homeserver));
9016: unless ($response eq 'refused') {
9017: @secs = split(/:/,$response);
9018: }
1.506 raeburn 9019: }
9020: return @secs;
9021: }
1.776 albertel 9022:
1.506 raeburn 9023: sub auto_new_course {
1.1099 raeburn 9024: my ($cnum,$cdom,$inst_course_id,$owner,$coowners) = @_;
1.508 raeburn 9025: my $homeserver = &homeserver($cnum,$cdom);
1.1099 raeburn 9026: my $response=&unescape(&reply('autonewcourse:'.$inst_course_id.':'.&escape($owner).':'.$cdom.':'.&escape($coowners),$homeserver));
1.506 raeburn 9027: return $response;
9028: }
1.776 albertel 9029:
1.506 raeburn 9030: sub auto_validate_courseID {
1.508 raeburn 9031: my ($cnum,$cdom,$inst_course_id) = @_;
9032: my $homeserver = &homeserver($cnum,$cdom);
1.511 raeburn 9033: my $response=&unescape(&reply('autovalidatecourse:'.$inst_course_id.':'.$cdom,$homeserver));
1.506 raeburn 9034: return $response;
9035: }
1.776 albertel 9036:
1.1007 raeburn 9037: sub auto_validate_instcode {
1.1020 raeburn 9038: my ($cnum,$cdom,$instcode,$owner) = @_;
1.1007 raeburn 9039: my ($homeserver,$response);
9040: if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
9041: $homeserver = &homeserver($cnum,$cdom);
9042: }
9043: if (!defined($homeserver)) {
9044: if ($cdom =~ /^$match_domain$/) {
9045: $homeserver = &domain($cdom,'primary');
9046: }
9047: }
1.1065 raeburn 9048: $response=&unescape(&reply('autovalidateinstcode:'.$cdom.':'.
9049: &escape($instcode).':'.&escape($owner),$homeserver));
1.1172.2.19 raeburn 9050: my ($outcome,$description,$defaultcredits) = map { &unescape($_); } split('&',$response,3);
9051: return ($outcome,$description,$defaultcredits);
1.1007 raeburn 9052: }
9053:
1.506 raeburn 9054: sub auto_create_password {
1.873 raeburn 9055: my ($cnum,$cdom,$authparam,$udom) = @_;
9056: my ($homeserver,$response);
1.506 raeburn 9057: my $create_passwd = 0;
9058: my $authchk = '';
1.873 raeburn 9059: if ($udom =~ /^$match_domain$/) {
9060: $homeserver = &domain($udom,'primary');
9061: }
9062: if ($homeserver eq '') {
9063: if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
9064: $homeserver = &homeserver($cnum,$cdom);
9065: }
9066: }
9067: if ($homeserver eq '') {
9068: $authchk = 'nodomain';
1.506 raeburn 9069: } else {
1.873 raeburn 9070: $response=&unescape(&reply('autocreatepassword:'.$authparam.':'.$cdom,$homeserver));
9071: if ($response eq 'refused') {
9072: $authchk = 'refused';
9073: } else {
1.901 albertel 9074: ($authparam,$create_passwd,$authchk) = split(/:/,$response);
1.873 raeburn 9075: }
1.506 raeburn 9076: }
9077: return ($authparam,$create_passwd,$authchk);
9078: }
9079:
1.706 raeburn 9080: sub auto_photo_permission {
9081: my ($cnum,$cdom,$students) = @_;
9082: my $homeserver = &homeserver($cnum,$cdom);
1.707 albertel 9083: my ($outcome,$perm_reqd,$conditions) =
9084: split(/:/,&unescape(&reply('autophotopermission:'.$cdom,$homeserver)),3);
1.709 albertel 9085: if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) {
9086: return (undef,undef);
9087: }
1.706 raeburn 9088: return ($outcome,$perm_reqd,$conditions);
9089: }
9090:
9091: sub auto_checkphotos {
9092: my ($uname,$udom,$pid) = @_;
9093: my $homeserver = &homeserver($uname,$udom);
9094: my ($result,$resulttype);
9095: my $outcome = &unescape(&reply('autophotocheck:'.&escape($udom).':'.
1.707 albertel 9096: &escape($uname).':'.&escape($pid),
9097: $homeserver));
1.709 albertel 9098: if ($outcome =~ /^(con_lost|unknown_cmd|no_such_host)$/) {
9099: return (undef,undef);
9100: }
1.706 raeburn 9101: if ($outcome) {
9102: ($result,$resulttype) = split(/:/,$outcome);
9103: }
9104: return ($result,$resulttype);
9105: }
9106:
9107: sub auto_photochoice {
9108: my ($cnum,$cdom) = @_;
9109: my $homeserver = &homeserver($cnum,$cdom);
9110: my ($update,$comment) = split(/:/,&unescape(&reply('autophotochoice:'.
1.707 albertel 9111: &escape($cdom),
9112: $homeserver)));
1.709 albertel 9113: if ($update =~ /^(con_lost|unknown_cmd|no_such_host)$/) {
9114: return (undef,undef);
9115: }
1.706 raeburn 9116: return ($update,$comment);
9117: }
9118:
9119: sub auto_photoupdate {
9120: my ($affiliatesref,$dom,$cnum,$photo) = @_;
9121: my $homeserver = &homeserver($cnum,$dom);
1.838 albertel 9122: my $host=&hostname($homeserver);
1.706 raeburn 9123: my $cmd = '';
9124: my $maxtries = 1;
1.800 albertel 9125: foreach my $affiliate (keys(%{$affiliatesref})) {
9126: $cmd .= $affiliate.'='.join(",",@{$$affiliatesref{$affiliate}}).'%%';
1.706 raeburn 9127: }
9128: $cmd =~ s/%%$//;
9129: $cmd = &escape($cmd);
9130: my $query = 'institutionalphotos';
9131: my $queryid=&reply("querysend:".$query.':'.$dom.':'.$cnum.':'.$cmd,$homeserver);
9132: unless ($queryid=~/^\Q$host\E\_/) {
9133: &logthis('institutionalphotos: invalid queryid: '.$queryid.' for host: '.$host.' and homeserver: '.$homeserver.' and course: '.$cnum);
9134: return 'error: '.$queryid;
9135: }
9136: my $reply = &get_query_reply($queryid);
9137: my $tries = 1;
9138: while (($reply=~/^timeout/) && ($tries < $maxtries)) {
9139: $reply = &get_query_reply($queryid);
9140: $tries ++;
9141: }
9142: if ( ($reply =~/^timeout/) || ($reply =~/^error/) ) {
9143: &logthis('institutionalphotos error: '.$reply.' for '.$dom.' '.$env{'user.name'}.' for '.$queryid.' course: '.$cnum.' maxtries: '.$maxtries.' tries: '.$tries);
9144: } else {
9145: my @responses = split(/:/,$reply);
9146: my $outcome = shift(@responses);
9147: foreach my $item (@responses) {
9148: my ($key,$value) = split(/=/,$item);
9149: $$photo{$key} = $value;
9150: }
9151: return $outcome;
9152: }
9153: return 'error';
9154: }
9155:
1.521 raeburn 9156: sub auto_instcode_format {
1.793 albertel 9157: my ($caller,$codedom,$instcodes,$codes,$codetitles,$cat_titles,
9158: $cat_order) = @_;
1.521 raeburn 9159: my $courses = '';
1.772 raeburn 9160: my @homeservers;
1.521 raeburn 9161: if ($caller eq 'global') {
1.841 albertel 9162: my %servers = &get_servers($codedom,'library');
9163: foreach my $tryserver (keys(%servers)) {
9164: if (!grep(/^\Q$tryserver\E$/,@homeservers)) {
9165: push(@homeservers,$tryserver);
9166: }
1.584 raeburn 9167: }
1.1022 raeburn 9168: } elsif ($caller eq 'requests') {
9169: if ($codedom =~ /^$match_domain$/) {
9170: my $chome = &domain($codedom,'primary');
9171: unless ($chome eq 'no_host') {
9172: push(@homeservers,$chome);
9173: }
9174: }
1.521 raeburn 9175: } else {
1.772 raeburn 9176: push(@homeservers,&homeserver($caller,$codedom));
1.521 raeburn 9177: }
1.793 albertel 9178: foreach my $code (keys(%{$instcodes})) {
9179: $courses .= &escape($code).'='.&escape($$instcodes{$code}).'&';
1.521 raeburn 9180: }
9181: chop($courses);
1.772 raeburn 9182: my $ok_response = 0;
9183: my $response;
9184: while (@homeservers > 0 && $ok_response == 0) {
9185: my $server = shift(@homeservers);
9186: $response=&reply('autoinstcodeformat:'.$codedom.':'.$courses,$server);
9187: if ($response !~ /(con_lost|error|no_such_host|refused)/) {
9188: my ($codes_str,$codetitles_str,$cat_titles_str,$cat_order_str) =
1.901 albertel 9189: split(/:/,$response);
1.772 raeburn 9190: %{$codes} = (%{$codes},&str2hash($codes_str));
9191: push(@{$codetitles},&str2array($codetitles_str));
9192: %{$cat_titles} = (%{$cat_titles},&str2hash($cat_titles_str));
9193: %{$cat_order} = (%{$cat_order},&str2hash($cat_order_str));
9194: $ok_response = 1;
9195: }
9196: }
9197: if ($ok_response) {
1.521 raeburn 9198: return 'ok';
1.772 raeburn 9199: } else {
9200: return $response;
1.521 raeburn 9201: }
9202: }
9203:
1.792 raeburn 9204: sub auto_instcode_defaults {
9205: my ($domain,$returnhash,$code_order) = @_;
9206: my @homeservers;
1.841 albertel 9207:
9208: my %servers = &get_servers($domain,'library');
9209: foreach my $tryserver (keys(%servers)) {
9210: if (!grep(/^\Q$tryserver\E$/,@homeservers)) {
9211: push(@homeservers,$tryserver);
9212: }
1.792 raeburn 9213: }
1.841 albertel 9214:
1.792 raeburn 9215: my $response;
1.841 albertel 9216: foreach my $server (@homeservers) {
1.792 raeburn 9217: $response=&reply('autoinstcodedefaults:'.$domain,$server);
1.841 albertel 9218: next if ($response =~ /(con_lost|error|no_such_host|refused)/);
9219:
9220: foreach my $pair (split(/\&/,$response)) {
9221: my ($name,$value)=split(/\=/,$pair);
9222: if ($name eq 'code_order') {
9223: @{$code_order} = split(/\&/,&unescape($value));
9224: } else {
9225: $returnhash->{&unescape($name)}=&unescape($value);
9226: }
9227: }
9228: return 'ok';
1.792 raeburn 9229: }
1.841 albertel 9230:
9231: return $response;
1.1003 raeburn 9232: }
9233:
9234: sub auto_possible_instcodes {
1.1007 raeburn 9235: my ($domain,$codetitles,$cat_titles,$cat_orders,$code_order) = @_;
9236: unless ((ref($codetitles) eq 'ARRAY') && (ref($cat_titles) eq 'HASH') &&
9237: (ref($cat_orders) eq 'HASH') && (ref($code_order) eq 'ARRAY')) {
9238: return;
9239: }
1.1003 raeburn 9240: my (@homeservers,$uhome);
9241: if (defined(&domain($domain,'primary'))) {
9242: $uhome=&domain($domain,'primary');
9243: push(@homeservers,&domain($domain,'primary'));
9244: } else {
9245: my %servers = &get_servers($domain,'library');
9246: foreach my $tryserver (keys(%servers)) {
9247: if (!grep(/^\Q$tryserver\E$/,@homeservers)) {
9248: push(@homeservers,$tryserver);
9249: }
9250: }
9251: }
9252: my $response;
9253: foreach my $server (@homeservers) {
9254: $response=&reply('autopossibleinstcodes:'.$domain,$server);
9255: next if ($response =~ /(con_lost|error|no_such_host|refused)/);
1.1007 raeburn 9256: my ($codetitlestr,$codeorderstr,$cat_title,$cat_order) =
9257: split(':',$response);
9258: @{$codetitles} = map { &unescape($_); } (split('&',$codetitlestr));
9259: @{$code_order} = map { &unescape($_); } (split('&',$codeorderstr));
1.1003 raeburn 9260: foreach my $item (split('&',$cat_title)) {
1.1005 raeburn 9261: my ($name,$value)=split('=',$item);
9262: $cat_titles->{&unescape($name)}=&thaw_unescape($value);
1.1003 raeburn 9263: }
9264: foreach my $item (split('&',$cat_order)) {
1.1005 raeburn 9265: my ($name,$value)=split('=',$item);
9266: $cat_orders->{&unescape($name)}=&thaw_unescape($value);
1.1003 raeburn 9267: }
9268: return 'ok';
9269: }
9270: return $response;
9271: }
1.792 raeburn 9272:
1.1010 raeburn 9273: sub auto_courserequest_checks {
9274: my ($dom) = @_;
1.1020 raeburn 9275: my ($homeserver,%validations);
9276: if ($dom =~ /^$match_domain$/) {
9277: $homeserver = &domain($dom,'primary');
9278: }
9279: unless ($homeserver eq 'no_host') {
9280: my $response=&reply('autocrsreqchecks:'.$dom,$homeserver);
9281: unless ($response =~ /(con_lost|error|no_such_host|refused)/) {
9282: my @items = split(/&/,$response);
9283: foreach my $item (@items) {
9284: my ($key,$value) = split('=',$item);
9285: $validations{&unescape($key)} = &thaw_unescape($value);
9286: }
9287: }
9288: }
1.1010 raeburn 9289: return %validations;
9290: }
9291:
1.1020 raeburn 9292: sub auto_courserequest_validation {
1.1172.2.43 raeburn 9293: my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist,$custominfo) = @_;
1.1020 raeburn 9294: my ($homeserver,$response);
9295: if ($dom =~ /^$match_domain$/) {
9296: $homeserver = &domain($dom,'primary');
9297: }
1.1172.2.43 raeburn 9298: unless ($homeserver eq 'no_host') {
9299: my $customdata;
9300: if (ref($custominfo) eq 'HASH') {
9301: $customdata = &freeze_escape($custominfo);
9302: }
1.1020 raeburn 9303: $response=&unescape(&reply('autocrsreqvalidation:'.$dom.':'.&escape($owner).
1.1021 raeburn 9304: ':'.&escape($crstype).':'.&escape($inststatuslist).
1.1172.2.43 raeburn 9305: ':'.&escape($instcode).':'.&escape($instseclist).':'.
9306: $customdata,$homeserver));
1.1020 raeburn 9307: }
9308: return $response;
9309: }
9310:
1.777 albertel 9311: sub auto_validate_class_sec {
1.918 raeburn 9312: my ($cdom,$cnum,$owners,$inst_class) = @_;
1.773 raeburn 9313: my $homeserver = &homeserver($cnum,$cdom);
1.918 raeburn 9314: my $ownerlist;
9315: if (ref($owners) eq 'ARRAY') {
9316: $ownerlist = join(',',@{$owners});
9317: } else {
9318: $ownerlist = $owners;
9319: }
1.773 raeburn 9320: my $response=&reply('autovalidateclass_sec:'.$inst_class.':'.
1.918 raeburn 9321: &escape($ownerlist).':'.$cdom,$homeserver);
1.773 raeburn 9322: return $response;
9323: }
9324:
1.1172.2.94 raeburn 9325: sub auto_validate_instclasses {
9326: my ($cdom,$cnum,$owners,$classesref) = @_;
9327: my ($homeserver,%validations);
9328: $homeserver = &homeserver($cnum,$cdom);
9329: unless ($homeserver eq 'no_host') {
9330: my $ownerlist;
9331: if (ref($owners) eq 'ARRAY') {
9332: $ownerlist = join(',',@{$owners});
9333: } else {
9334: $ownerlist = $owners;
9335: }
9336: if (ref($classesref) eq 'HASH') {
9337: my $classes = &freeze_escape($classesref);
9338: my $response=&reply('autovalidateinstclasses:'.&escape($ownerlist).
9339: ':'.$cdom.':'.$classes,$homeserver);
9340: unless ($response =~ /(con_lost|error|no_such_host|refused)/) {
9341: my @items = split(/&/,$response);
9342: foreach my $item (@items) {
9343: my ($key,$value) = split('=',$item);
9344: $validations{&unescape($key)} = &thaw_unescape($value);
9345: }
9346: }
9347: }
9348: }
9349: return %validations;
9350: }
9351:
1.1172.2.38 raeburn 9352: sub auto_crsreq_update {
9353: my ($cdom,$cnum,$crstype,$action,$ownername,$ownerdomain,$fullname,$title,
1.1172.2.45 raeburn 9354: $code,$accessstart,$accessend,$inbound) = @_;
1.1172.2.38 raeburn 9355: my ($homeserver,%crsreqresponse);
9356: if ($cdom =~ /^$match_domain$/) {
9357: $homeserver = &domain($cdom,'primary');
9358: }
9359: unless (($homeserver eq 'no_host') || ($homeserver eq '')) {
9360: my $info;
9361: if (ref($inbound) eq 'HASH') {
9362: $info = &freeze_escape($inbound);
9363: }
9364: my $response=&reply('autocrsrequpdate:'.$cdom.':'.$cnum.':'.&escape($crstype).
9365: ':'.&escape($action).':'.&escape($ownername).':'.
9366: &escape($ownerdomain).':'.&escape($fullname).':'.
1.1172.2.45 raeburn 9367: &escape($title).':'.&escape($code).':'.
9368: &escape($accessstart).':'.&escape($accessend).':'.$info,$homeserver);
1.1172.2.38 raeburn 9369: unless ($response =~ /(con_lost|error|no_such_host|refused)/) {
9370: my @items = split(/&/,$response);
9371: foreach my $item (@items) {
9372: my ($key,$value) = split('=',$item);
9373: $crsreqresponse{&unescape($key)} = &thaw_unescape($value);
9374: }
9375: }
9376: }
9377: return \%crsreqresponse;
9378: }
9379:
1.1172.2.78 raeburn 9380: sub auto_export_grades {
9381: my ($cdom,$cnum,$inforef,$gradesref) = @_;
9382: my ($homeserver,%exportresponse);
9383: if ($cdom =~ /^$match_domain$/) {
9384: $homeserver = &domain($cdom,'primary');
9385: }
9386: unless (($homeserver eq 'no_host') || ($homeserver eq '')) {
9387: my $info;
9388: if (ref($inforef) eq 'HASH') {
9389: $info = &freeze_escape($inforef);
9390: }
9391: if (ref($gradesref) eq 'HASH') {
9392: my $grades = &freeze_escape($gradesref);
9393: my $response=&reply('encrypt:autoexportgrades:'.$cdom.':'.$cnum.':'.
9394: $info.':'.$grades,$homeserver);
9395: unless ($response =~ /(con_lost|error|no_such_host|refused|unknown_command)/) {
9396: my @items = split(/&/,$response);
9397: foreach my $item (@items) {
9398: my ($key,$value) = split('=',$item);
9399: $exportresponse{&unescape($key)} = &thaw_unescape($value);
9400: }
9401: }
9402: }
9403: }
9404: return \%exportresponse;
9405: }
9406:
1.1172.2.68 raeburn 9407: sub check_instcode_cloning {
9408: my ($codedefaults,$code_order,$cloner,$clonefromcode,$clonetocode) = @_;
9409: unless ((ref($codedefaults) eq 'HASH') && (ref($code_order) eq 'ARRAY')) {
9410: return;
9411: }
9412: my $canclone;
9413: if (@{$code_order} > 0) {
9414: my $instcoderegexp ='^';
9415: my @clonecodes = split(/\&/,$cloner);
9416: foreach my $item (@{$code_order}) {
9417: if (grep(/^\Q$item\E=/,@clonecodes)) {
9418: foreach my $pair (@clonecodes) {
9419: my ($key,$val) = split(/\=/,$pair,2);
9420: $val = &unescape($val);
9421: if ($key eq $item) {
9422: $instcoderegexp .= '('.$val.')';
9423: last;
9424: }
9425: }
9426: } else {
9427: $instcoderegexp .= $codedefaults->{$item};
9428: }
9429: }
9430: $instcoderegexp .= '$';
9431: my (@from,@to);
9432: eval {
9433: (@from) = ($clonefromcode =~ /$instcoderegexp/);
9434: (@to) = ($clonetocode =~ /$instcoderegexp/);
9435: };
9436: if ((@from > 0) && (@to > 0)) {
9437: my @diffs = &Apache::loncommon::compare_arrays(\@from,\@to);
9438: if (!@diffs) {
9439: $canclone = 1;
9440: }
9441: }
9442: }
9443: return $canclone;
9444: }
9445:
9446: sub default_instcode_cloning {
9447: my ($clonedom,$domdefclone,$clonefromcode,$clonetocode,$codedefaultsref,$codeorderref) = @_;
9448: my (%codedefaults,@code_order,$canclone);
9449: if ((ref($codedefaultsref) eq 'HASH') && (ref($codeorderref) eq 'ARRAY')) {
9450: %codedefaults = %{$codedefaultsref};
9451: @code_order = @{$codeorderref};
9452: } elsif ($clonedom) {
9453: &auto_instcode_defaults($clonedom,\%codedefaults,\@code_order);
9454: }
9455: if (($domdefclone) && (@code_order)) {
9456: my @clonecodes = split(/\+/,$domdefclone);
9457: my $instcoderegexp ='^';
9458: foreach my $item (@code_order) {
9459: if (grep(/^\Q$item\E$/,@clonecodes)) {
9460: $instcoderegexp .= '('.$codedefaults{$item}.')';
9461: } else {
9462: $instcoderegexp .= $codedefaults{$item};
9463: }
9464: }
9465: $instcoderegexp .= '$';
9466: my (@from,@to);
9467: eval {
9468: (@from) = ($clonefromcode =~ /$instcoderegexp/);
9469: (@to) = ($clonetocode =~ /$instcoderegexp/);
9470: };
9471: if ((@from > 0) && (@to > 0)) {
9472: my @diffs = &Apache::loncommon::compare_arrays(\@from,\@to);
9473: if (!@diffs) {
9474: $canclone = 1;
9475: }
9476: }
9477: }
9478: return $canclone;
9479: }
9480:
1.679 raeburn 9481: # ------------------------------------------------------- Course Group routines
9482:
9483: sub get_coursegroups {
1.809 raeburn 9484: my ($cdom,$cnum,$group,$namespace) = @_;
9485: return(&dump($namespace,$cdom,$cnum,$group));
1.805 raeburn 9486: }
9487:
1.679 raeburn 9488: sub modify_coursegroup {
9489: my ($cdom,$cnum,$groupsettings) = @_;
9490: return(&put('coursegroups',$groupsettings,$cdom,$cnum));
9491: }
9492:
1.809 raeburn 9493: sub toggle_coursegroup_status {
9494: my ($cdom,$cnum,$group,$action) = @_;
9495: my ($from_namespace,$to_namespace);
9496: if ($action eq 'delete') {
9497: $from_namespace = 'coursegroups';
9498: $to_namespace = 'deleted_groups';
9499: } else {
9500: $from_namespace = 'deleted_groups';
9501: $to_namespace = 'coursegroups';
9502: }
9503: my %curr_group = &get_coursegroups($cdom,$cnum,$group,$from_namespace);
1.805 raeburn 9504: if (my $tmp = &error(%curr_group)) {
9505: &Apache::lonnet::logthis('Error retrieving group: '.$tmp.' in '.$cnum.':'.$cdom);
9506: return ('read error',$tmp);
9507: } else {
9508: my %savedsettings = %curr_group;
1.809 raeburn 9509: my $result = &put($to_namespace,\%savedsettings,$cdom,$cnum);
1.805 raeburn 9510: my $deloutcome;
9511: if ($result eq 'ok') {
1.809 raeburn 9512: $deloutcome = &del($from_namespace,[$group],$cdom,$cnum);
1.805 raeburn 9513: } else {
9514: return ('write error',$result);
9515: }
9516: if ($deloutcome eq 'ok') {
9517: return 'ok';
9518: } else {
9519: return ('delete error',$deloutcome);
9520: }
9521: }
9522: }
9523:
1.679 raeburn 9524: sub modify_group_roles {
1.957 raeburn 9525: my ($cdom,$cnum,$group_id,$user,$end,$start,$userprivs,$selfenroll,$context) = @_;
1.679 raeburn 9526: my $url = '/'.$cdom.'/'.$cnum.'/'.$group_id;
9527: my $role = 'gr/'.&escape($userprivs);
9528: my ($uname,$udom) = split(/:/,$user);
1.957 raeburn 9529: my $result = &assignrole($udom,$uname,$url,$role,$end,$start,'',$selfenroll,$context);
1.684 raeburn 9530: if ($result eq 'ok') {
9531: &devalidate_getgroups_cache($udom,$uname,$cdom,$cnum);
9532: }
1.679 raeburn 9533: return $result;
9534: }
9535:
9536: sub modify_coursegroup_membership {
9537: my ($cdom,$cnum,$membership) = @_;
9538: my $result = &put('groupmembership',$membership,$cdom,$cnum);
9539: return $result;
9540: }
9541:
1.682 raeburn 9542: sub get_active_groups {
9543: my ($udom,$uname,$cdom,$cnum) = @_;
9544: my $now = time;
9545: my %groups = ();
9546: foreach my $key (keys(%env)) {
1.811 albertel 9547: if ($key =~ m-user\.role\.gr\./($match_domain)/($match_courseid)/(\w+)$-) {
1.682 raeburn 9548: my ($start,$end) = split(/\./,$env{$key});
9549: if (($end!=0) && ($end<$now)) { next; }
9550: if (($start!=0) && ($start>$now)) { next; }
9551: if ($1 eq $cdom && $2 eq $cnum) {
9552: $groups{$3} = $env{$key} ;
9553: }
9554: }
9555: }
9556: return %groups;
9557: }
9558:
1.683 raeburn 9559: sub get_group_membership {
9560: my ($cdom,$cnum,$group) = @_;
9561: return(&dump('groupmembership',$cdom,$cnum,$group));
9562: }
9563:
9564: sub get_users_groups {
9565: my ($udom,$uname,$courseid) = @_;
1.733 raeburn 9566: my @usersgroups;
1.683 raeburn 9567: my $cachetime=1800;
9568:
9569: my $hashid="$udom:$uname:$courseid";
1.733 raeburn 9570: my ($grouplist,$cached)=&is_cached_new('getgroups',$hashid);
9571: if (defined($cached)) {
1.734 albertel 9572: @usersgroups = split(/:/,$grouplist);
1.733 raeburn 9573: } else {
9574: $grouplist = '';
1.816 raeburn 9575: my $courseurl = &courseid_to_courseurl($courseid);
1.1166 raeburn 9576: my %roleshash = &dump('roles',$udom,$uname,$courseurl);
1.817 raeburn 9577: my $access_end = $env{'course.'.$courseid.
9578: '.default_enrollment_end_date'};
9579: my $now = time;
9580: foreach my $key (keys(%roleshash)) {
9581: if ($key =~ /^\Q$courseurl\E\/(\w+)\_gr$/) {
9582: my $group = $1;
9583: if ($roleshash{$key} =~ /_(\d+)_(\d+)$/) {
9584: my $start = $2;
9585: my $end = $1;
9586: if ($start == -1) { next; } # deleted from group
9587: if (($start!=0) && ($start>$now)) { next; }
9588: if (($end!=0) && ($end<$now)) {
9589: if ($access_end && $access_end < $now) {
9590: if ($access_end - $end < 86400) {
9591: push(@usersgroups,$group);
1.733 raeburn 9592: }
9593: }
1.817 raeburn 9594: next;
1.733 raeburn 9595: }
1.817 raeburn 9596: push(@usersgroups,$group);
1.683 raeburn 9597: }
9598: }
9599: }
1.817 raeburn 9600: @usersgroups = &sort_course_groups($courseid,@usersgroups);
9601: $grouplist = join(':',@usersgroups);
9602: &do_cache_new('getgroups',$hashid,$grouplist,$cachetime);
1.683 raeburn 9603: }
1.733 raeburn 9604: return @usersgroups;
1.683 raeburn 9605: }
9606:
9607: sub devalidate_getgroups_cache {
9608: my ($udom,$uname,$cdom,$cnum)=@_;
9609: my $courseid = $cdom.'_'.$cnum;
1.807 albertel 9610:
1.683 raeburn 9611: my $hashid="$udom:$uname:$courseid";
9612: &devalidate_cache_new('getgroups',$hashid);
9613: }
9614:
1.12 www 9615: # ------------------------------------------------------------------ Plain Text
9616:
9617: sub plaintext {
1.988 raeburn 9618: my ($short,$type,$cid,$forcedefault) = @_;
1.1046 raeburn 9619: if ($short =~ m{^cr/}) {
1.758 albertel 9620: return (split('/',$short))[-1];
9621: }
1.742 raeburn 9622: if (!defined($cid)) {
9623: $cid = $env{'request.course.id'};
9624: }
9625: my %rolenames = (
1.1008 raeburn 9626: Course => 'std',
9627: Community => 'alt1',
1.742 raeburn 9628: );
1.1037 raeburn 9629: if ($cid ne '') {
9630: if ($env{'course.'.$cid.'.'.$short.'.plaintext'} ne '') {
9631: unless ($forcedefault) {
9632: my $roletext = $env{'course.'.$cid.'.'.$short.'.plaintext'};
9633: &Apache::lonlocal::mt_escape(\$roletext);
9634: return &Apache::lonlocal::mt($roletext);
9635: }
9636: }
9637: }
9638: if ((defined($type)) && (defined($rolenames{$type})) &&
9639: (defined($rolenames{$type})) &&
9640: (defined($prp{$short}{$rolenames{$type}}))) {
1.742 raeburn 9641: return &Apache::lonlocal::mt($prp{$short}{$rolenames{$type}});
1.1037 raeburn 9642: } elsif ($cid ne '') {
9643: my $crstype = $env{'course.'.$cid.'.type'};
9644: if (($crstype ne '') && (defined($rolenames{$crstype})) &&
9645: (defined($prp{$short}{$rolenames{$crstype}}))) {
9646: return &Apache::lonlocal::mt($prp{$short}{$rolenames{$crstype}});
9647: }
1.742 raeburn 9648: }
1.1037 raeburn 9649: return &Apache::lonlocal::mt($prp{$short}{'std'});
1.12 www 9650: }
9651:
9652: # ----------------------------------------------------------------- Assign Role
9653:
9654: sub assignrole {
1.957 raeburn 9655: my ($udom,$uname,$url,$role,$end,$start,$deleteflag,$selfenroll,
9656: $context)=@_;
1.21 www 9657: my $mrole;
9658: if ($role =~ /^cr\//) {
1.393 www 9659: my $cwosec=$url;
1.811 albertel 9660: $cwosec=~s/^\/($match_domain)\/($match_courseid)\/.*/$1\/$2/;
1.393 www 9661: unless (&allowed('ccr',$cwosec)) {
1.1026 raeburn 9662: my $refused = 1;
9663: if ($context eq 'requestcourses') {
9664: if (($env{'user.name'} ne '') && ($env{'user.domain'} ne '')) {
9665: if ($role =~ m{^cr/($match_domain)/($match_username)/([^/]+)$}) {
9666: if (($1 eq $env{'user.domain'}) && ($2 eq $env{'user.name'})) {
9667: my ($cdom,$cnum) = ($cwosec =~ m{^/?($match_domain)/($match_courseid)$});
9668: my %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner'));
9669: if ($crsenv{'internal.courseowner'} eq
9670: $env{'user.name'}.':'.$env{'user.domain'}) {
9671: $refused = '';
9672: }
9673: }
9674: }
9675: }
9676: }
9677: if ($refused) {
9678: &logthis('Refused custom assignrole: '.
9679: $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.
9680: ' by '.$env{'user.name'}.' at '.$env{'user.domain'});
9681: return 'refused';
9682: }
1.104 www 9683: }
1.21 www 9684: $mrole='cr';
1.678 raeburn 9685: } elsif ($role =~ /^gr\//) {
9686: my $cwogrp=$url;
1.811 albertel 9687: $cwogrp=~s{^/($match_domain)/($match_courseid)/.*}{$1/$2};
1.678 raeburn 9688: unless (&allowed('mdg',$cwogrp)) {
9689: &logthis('Refused group assignrole: '.
9690: $udom.' '.$uname.' '.$url.' '.$role.' '.$end.' '.$start.' by '.
9691: $env{'user.name'}.' at '.$env{'user.domain'});
9692: return 'refused';
9693: }
9694: $mrole='gr';
1.21 www 9695: } else {
1.82 www 9696: my $cwosec=$url;
1.811 albertel 9697: $cwosec=~s/^\/($match_domain)\/($match_courseid)\/.*/$1\/$2/;
1.932 raeburn 9698: if (!(&allowed('c'.$role,$cwosec)) && !(&allowed('c'.$role,$udom))) {
9699: my $refused;
9700: if (($env{'request.course.sec'} ne '') && ($role eq 'st')) {
9701: if (!(&allowed('c'.$role,$url))) {
9702: $refused = 1;
9703: }
9704: } else {
9705: $refused = 1;
9706: }
1.947 raeburn 9707: if ($refused) {
1.1045 raeburn 9708: my ($cdom,$cnum) = ($cwosec =~ m{^/?($match_domain)/($match_courseid)$});
9709: if (!$selfenroll && $context eq 'course') {
9710: my %crsenv;
9711: if ($role eq 'cc' || $role eq 'co') {
9712: %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner'));
9713: if (($role eq 'cc') && ($cnum !~ /^$match_community$/)) {
9714: if ($env{'request.role'} eq 'cc./'.$cdom.'/'.$cnum) {
9715: if ($crsenv{'internal.courseowner'} eq
9716: $env{'user.name'}.':'.$env{'user.domain'}) {
9717: $refused = '';
9718: }
9719: }
9720: } elsif (($role eq 'co') && ($cnum =~ /^$match_community$/)) {
9721: if ($env{'request.role'} eq 'co./'.$cdom.'/'.$cnum) {
9722: if ($crsenv{'internal.courseowner'} eq
9723: $env{'user.name'}.':'.$env{'user.domain'}) {
9724: $refused = '';
9725: }
9726: }
9727: }
9728: }
9729: } elsif (($selfenroll == 1) && ($role eq 'st') && ($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
1.947 raeburn 9730: $refused = '';
1.1017 raeburn 9731: } elsif ($context eq 'requestcourses') {
1.1041 raeburn 9732: my @possroles = ('st','ta','ep','in','cc','co');
1.1026 raeburn 9733: if ((grep(/^\Q$role\E$/,@possroles)) && ($env{'user.name'} ne '' && $env{'user.domain'} ne '')) {
1.1041 raeburn 9734: my $wrongcc;
9735: if ($cnum =~ /^$match_community$/) {
9736: $wrongcc = 1 if ($role eq 'cc');
9737: } else {
9738: $wrongcc = 1 if ($role eq 'co');
9739: }
9740: unless ($wrongcc) {
9741: my %crsenv = &userenvironment($cdom,$cnum,('internal.courseowner'));
9742: if ($crsenv{'internal.courseowner'} eq
9743: $env{'user.name'}.':'.$env{'user.domain'}) {
9744: $refused = '';
9745: }
1.1017 raeburn 9746: }
9747: }
1.1172.2.9 raeburn 9748: } elsif ($context eq 'requestauthor') {
9749: if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'}) &&
9750: ($url eq '/'.$udom.'/') && ($role eq 'au')) {
9751: if ($env{'environment.requestauthor'} eq 'automatic') {
9752: $refused = '';
9753: } else {
9754: my %domdefaults = &get_domain_defaults($udom);
9755: if (ref($domdefaults{'requestauthor'}) eq 'HASH') {
9756: my $checkbystatus;
9757: if ($env{'user.adv'}) {
9758: my $disposition = $domdefaults{'requestauthor'}{'_LC_adv'};
9759: if ($disposition eq 'automatic') {
9760: $refused = '';
9761: } elsif ($disposition eq '') {
9762: $checkbystatus = 1;
9763: }
9764: } else {
9765: $checkbystatus = 1;
9766: }
9767: if ($checkbystatus) {
9768: if ($env{'environment.inststatus'}) {
9769: my @inststatuses = split(/,/,$env{'environment.inststatus'});
9770: foreach my $type (@inststatuses) {
9771: if (($type ne '') &&
9772: ($domdefaults{'requestauthor'}{$type} eq 'automatic')) {
9773: $refused = '';
9774: }
9775: }
9776: } elsif ($domdefaults{'requestauthor'}{'default'} eq 'automatic') {
9777: $refused = '';
9778: }
9779: }
9780: }
9781: }
9782: }
1.1017 raeburn 9783: }
9784: if ($refused) {
1.947 raeburn 9785: &logthis('Refused assignrole: '.$udom.' '.$uname.' '.$url.
9786: ' '.$role.' '.$end.' '.$start.' by '.
9787: $env{'user.name'}.' at '.$env{'user.domain'});
9788: return 'refused';
9789: }
1.932 raeburn 9790: }
1.1131 raeburn 9791: } elsif ($role eq 'au') {
9792: if ($url ne '/'.$udom.'/') {
9793: &logthis('Attempt by '.$env{'user.name'}.':'.$env{'user.domain'}.
9794: ' to assign author role for '.$uname.':'.$udom.
9795: ' in domain: '.$url.' refused (wrong domain).');
9796: return 'refused';
9797: }
1.104 www 9798: }
1.21 www 9799: $mrole=$role;
9800: }
1.620 albertel 9801: my $command="encrypt:rolesput:$env{'user.domain'}:$env{'user.name'}:".
1.21 www 9802: "$udom:$uname:$url".'_'."$mrole=$role";
1.81 www 9803: if ($end) { $command.='_'.$end; }
1.21 www 9804: if ($start) {
9805: if ($end) {
1.81 www 9806: $command.='_'.$start;
1.21 www 9807: } else {
1.81 www 9808: $command.='_0_'.$start;
1.21 www 9809: }
9810: }
1.739 raeburn 9811: my $origstart = $start;
9812: my $origend = $end;
1.957 raeburn 9813: my $delflag;
1.357 www 9814: # actually delete
9815: if ($deleteflag) {
1.373 www 9816: if ((&allowed('dro',$udom)) || (&allowed('dro',$url))) {
1.357 www 9817: # modify command to delete the role
1.620 albertel 9818: $command="encrypt:rolesdel:$env{'user.domain'}:$env{'user.name'}:".
1.357 www 9819: "$udom:$uname:$url".'_'."$mrole";
1.620 albertel 9820: &logthis("$env{'user.name'} at $env{'user.domain'} deletes $mrole in $url for $uname at $udom");
1.357 www 9821: # set start and finish to negative values for userrolelog
9822: $start=-1;
9823: $end=-1;
1.957 raeburn 9824: $delflag = 1;
1.357 www 9825: }
9826: }
9827: # send command
1.349 www 9828: my $answer=&reply($command,&homeserver($uname,$udom));
1.357 www 9829: # log new user role if status is ok
1.349 www 9830: if ($answer eq 'ok') {
1.663 raeburn 9831: &userrolelog($role,$uname,$udom,$url,$start,$end);
1.1172.2.9 raeburn 9832: if (($role eq 'cc') || ($role eq 'in') ||
9833: ($role eq 'ep') || ($role eq 'ad') ||
9834: ($role eq 'ta') || ($role eq 'st') ||
9835: ($role=~/^cr/) || ($role eq 'gr') ||
9836: ($role eq 'co')) {
1.1172.2.13 raeburn 9837: # for course roles, perform group memberships changes triggered by role change.
9838: unless ($role =~ /^gr/) {
9839: &Apache::longroup::group_changes($udom,$uname,$url,$role,$origend,
9840: $origstart,$selfenroll,$context);
9841: }
1.1172.2.9 raeburn 9842: &courserolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag,
9843: $selfenroll,$context);
9844: } elsif (($role eq 'li') || ($role eq 'dg') || ($role eq 'sc') ||
1.1172.2.90 raeburn 9845: ($role eq 'au') || ($role eq 'dc') || ($role eq 'dh') ||
9846: ($role eq 'da')) {
1.1172.2.9 raeburn 9847: &domainrolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag,
9848: $context);
9849: } elsif (($role eq 'ca') || ($role eq 'aa')) {
9850: &coauthorrolelog($role,$uname,$udom,$url,$origstart,$origend,$delflag,
9851: $context);
9852: }
1.1053 raeburn 9853: if ($role eq 'cc') {
9854: &autoupdate_coowners($url,$end,$start,$uname,$udom);
9855: }
1.349 www 9856: }
9857: return $answer;
1.169 harris41 9858: }
9859:
1.1053 raeburn 9860: sub autoupdate_coowners {
9861: my ($url,$end,$start,$uname,$udom) = @_;
9862: my ($cdom,$cnum) = ($url =~ m{^/($match_domain)/($match_courseid)});
9863: if (($cdom ne '') && ($cnum ne '')) {
9864: my $now = time;
9865: my %domdesign = &Apache::loncommon::get_domainconf($cdom);
9866: if ($domdesign{$cdom.'.autoassign.co-owners'}) {
9867: my %coursehash = &coursedescription($cdom.'_'.$cnum);
9868: my $instcode = $coursehash{'internal.coursecode'};
9869: if ($instcode ne '') {
1.1056 raeburn 9870: if (($start && $start <= $now) && ($end == 0) || ($end > $now)) {
9871: unless ($coursehash{'internal.courseowner'} eq $uname.':'.$udom) {
1.1053 raeburn 9872: my ($delcoowners,@newcoowners,$putresult,$delresult,$coowners);
1.1056 raeburn 9873: my ($result,$desc) = &auto_validate_instcode($cnum,$cdom,$instcode,$uname.':'.$udom);
9874: if ($result eq 'valid') {
9875: if ($coursehash{'internal.co-owners'}) {
1.1053 raeburn 9876: foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {
9877: push(@newcoowners,$coowner);
9878: }
9879: unless (grep(/^\Q$uname\E:\Q$udom\E$/,@newcoowners)) {
9880: push(@newcoowners,$uname.':'.$udom);
9881: }
9882: @newcoowners = sort(@newcoowners);
9883: } else {
9884: push(@newcoowners,$uname.':'.$udom);
9885: }
9886: } else {
9887: if ($coursehash{'internal.co-owners'}) {
9888: foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {
9889: unless ($coowner eq $uname.':'.$udom) {
9890: push(@newcoowners,$coowner);
9891: }
9892: }
9893: unless (@newcoowners > 0) {
9894: $delcoowners = 1;
9895: $coowners = '';
9896: }
9897: }
9898: }
9899: if (@newcoowners || $delcoowners) {
9900: &store_coowners($cdom,$cnum,$coursehash{'home'},
9901: $delcoowners,@newcoowners);
9902: }
9903: }
9904: }
9905: }
9906: }
9907: }
9908: }
9909:
9910: sub store_coowners {
9911: my ($cdom,$cnum,$chome,$delcoowners,@newcoowners) = @_;
9912: my $cid = $cdom.'_'.$cnum;
9913: my ($coowners,$delresult,$putresult);
9914: if (@newcoowners) {
9915: $coowners = join(',',@newcoowners);
9916: my %coownershash = (
9917: 'internal.co-owners' => $coowners,
9918: );
9919: $putresult = &put('environment',\%coownershash,$cdom,$cnum);
9920: if ($putresult eq 'ok') {
9921: if ($env{'course.'.$cid.'.num'} eq $cnum) {
9922: &appenv({'course.'.$cid.'.internal.co-owners' => $coowners});
9923: }
9924: }
9925: }
9926: if ($delcoowners) {
9927: $delresult = &Apache::lonnet::del('environment',['internal.co-owners'],$cdom,$cnum);
9928: if ($delresult eq 'ok') {
9929: if ($env{'course.'.$cid.'.internal.co-owners'}) {
9930: &Apache::lonnet::delenv('course.'.$cid.'.internal.co-owners');
9931: }
9932: }
9933: }
9934: if (($putresult eq 'ok') || ($delresult eq 'ok')) {
9935: my %crsinfo =
9936: &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
9937: if (ref($crsinfo{$cid}) eq 'HASH') {
9938: $crsinfo{$cid}{'co-owners'} = \@newcoowners;
9939: my $cidput = &Apache::lonnet::courseidput($cdom,\%crsinfo,$chome,'notime');
9940: }
9941: }
9942: }
9943:
1.169 harris41 9944: # -------------------------------------------------- Modify user authentication
1.197 www 9945: # Overrides without validation
9946:
1.169 harris41 9947: sub modifyuserauth {
9948: my ($udom,$uname,$umode,$upass)=@_;
9949: my $uhome=&homeserver($uname,$udom);
1.1172.2.115 raeburn 9950: my $allowed;
9951: if (&allowed('mau',$udom)) {
9952: $allowed = 1;
9953: } elsif (($umode eq 'internal') && ($udom eq $env{'user.domain'}) &&
9954: ($env{'request.course.id'}) && (&allowed('mip',$env{'request.course.id'})) &&
9955: (!$env{'course.'.$env{'request.course.id'}.'.internal.nopasswdchg'})) {
9956: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
9957: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
9958: if (($cdom ne '') && ($cnum ne '')) {
9959: my $is_owner = &is_course_owner($cdom,$cnum);
9960: if ($is_owner) {
9961: $allowed = 1;
9962: }
9963: }
9964: }
9965: unless ($allowed) { return 'refused'; }
1.197 www 9966: &logthis('Call to modify user authentication '.$udom.', '.$uname.', '.
1.620 albertel 9967: $umode.' by '.$env{'user.name'}.' at '.$env{'user.domain'}.
9968: ' in domain '.$env{'request.role.domain'});
1.169 harris41 9969: my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'.
9970: &escape($upass),$uhome);
1.620 albertel 9971: &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},
1.197 www 9972: 'Authentication changed for '.$udom.', '.$uname.', '.$umode.
9973: '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply);
9974: &log($udom,,$uname,$uhome,
1.620 albertel 9975: 'Authentication changed by '.$env{'user.domain'}.', '.
9976: $env{'user.name'}.', '.$umode.
1.197 www 9977: '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply);
1.169 harris41 9978: unless ($reply eq 'ok') {
1.197 www 9979: &logthis('Authentication mode error: '.$reply);
1.169 harris41 9980: return 'error: '.$reply;
9981: }
1.170 harris41 9982: return 'ok';
1.80 www 9983: }
9984:
1.81 www 9985: # --------------------------------------------------------------- Modify a user
1.80 www 9986:
1.81 www 9987: sub modifyuser {
1.206 matthew 9988: my ($udom, $uname, $uid,
9989: $umode, $upass, $first,
9990: $middle, $last, $gene,
1.1058 raeburn 9991: $forceid, $desiredhome, $email, $inststatus, $candelete)=@_;
1.807 albertel 9992: $udom= &LONCAPA::clean_domain($udom);
9993: $uname=&LONCAPA::clean_username($uname);
1.1059 raeburn 9994: my $showcandelete = 'none';
9995: if (ref($candelete) eq 'ARRAY') {
9996: if (@{$candelete} > 0) {
9997: $showcandelete = join(', ',@{$candelete});
9998: }
9999: }
1.81 www 10000: &logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '.
1.80 www 10001: $umode.', '.$first.', '.$middle.', '.
1.1059 raeburn 10002: $last.', '.$gene.'(forceid: '.$forceid.'; candelete: '.$showcandelete.')'.
1.206 matthew 10003: (defined($desiredhome) ? ' desiredhome = '.$desiredhome :
10004: ' desiredhome not specified').
1.620 albertel 10005: ' by '.$env{'user.name'}.' at '.$env{'user.domain'}.
10006: ' in domain '.$env{'request.role.domain'});
1.230 stredwic 10007: my $uhome=&homeserver($uname,$udom,'true');
1.1075 raeburn 10008: my $newuser;
10009: if ($uhome eq 'no_host') {
10010: $newuser = 1;
10011: }
1.80 www 10012: # ----------------------------------------------------------------- Create User
1.406 albertel 10013: if (($uhome eq 'no_host') &&
10014: (($umode && $upass) || ($umode eq 'localauth'))) {
1.80 www 10015: my $unhome='';
1.844 albertel 10016: if (defined($desiredhome) && &host_domain($desiredhome) eq $udom) {
1.209 matthew 10017: $unhome = $desiredhome;
1.620 albertel 10018: } elsif($env{'course.'.$env{'request.course.id'}.'.domain'} eq $udom) {
10019: $unhome=$env{'course.'.$env{'request.course.id'}.'.home'};
1.209 matthew 10020: } else { # load balancing routine for determining $unhome
1.81 www 10021: my $loadm=10000000;
1.841 albertel 10022: my %servers = &get_servers($udom,'library');
10023: foreach my $tryserver (keys(%servers)) {
10024: my $answer=reply('load',$tryserver);
10025: if (($answer=~/\d+/) && ($answer<$loadm)) {
10026: $loadm=$answer;
10027: $unhome=$tryserver;
10028: }
1.80 www 10029: }
10030: }
10031: if (($unhome eq '') || ($unhome eq 'no_host')) {
1.206 matthew 10032: return 'error: unable to find a home server for '.$uname.
10033: ' in domain '.$udom;
1.80 www 10034: }
10035: my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':'.$umode.':'.
10036: &escape($upass),$unhome);
10037: unless ($reply eq 'ok') {
10038: return 'error: '.$reply;
10039: }
1.230 stredwic 10040: $uhome=&homeserver($uname,$udom,'true');
1.80 www 10041: if (($uhome eq '') || ($uhome eq 'no_host') || ($uhome ne $unhome)) {
1.386 matthew 10042: return 'error: unable verify users home machine.';
1.80 www 10043: }
1.209 matthew 10044: } # End of creation of new user
1.80 www 10045: # ---------------------------------------------------------------------- Add ID
10046: if ($uid) {
10047: $uid=~tr/A-Z/a-z/;
10048: my %uidhash=&idrget($udom,$uname);
1.196 www 10049: if (($uidhash{$uname}) && ($uidhash{$uname}!~/error\:/)
10050: && (!$forceid)) {
1.80 www 10051: unless ($uid eq $uidhash{$uname}) {
1.386 matthew 10052: return 'error: user id "'.$uid.'" does not match '.
10053: 'current user id "'.$uidhash{$uname}.'".';
1.80 www 10054: }
10055: } else {
10056: &idput($udom,($uname => $uid));
10057: }
10058: }
10059: # -------------------------------------------------------------- Add names, etc
1.313 matthew 10060: my @tmp=&get('environment',
1.899 raeburn 10061: ['firstname','middlename','lastname','generation','id',
1.963 raeburn 10062: 'permanentemail','inststatus'],
1.134 albertel 10063: $udom,$uname);
1.1075 raeburn 10064: my (%names,%oldnames);
1.313 matthew 10065: if ($tmp[0] =~ m/^error:.*/) {
10066: %names=();
10067: } else {
10068: %names = @tmp;
1.1075 raeburn 10069: %oldnames = %names;
1.313 matthew 10070: }
1.388 www 10071: #
1.1058 raeburn 10072: # If name, email and/or uid are blank (e.g., because an uploaded file
10073: # of users did not contain them), do not overwrite existing values
10074: # unless field is in $candelete array ref.
10075: #
10076:
10077: my @fields = ('firstname','middlename','lastname','generation',
10078: 'permanentemail','id');
10079: my %newvalues;
10080: if (ref($candelete) eq 'ARRAY') {
10081: foreach my $field (@fields) {
10082: if (grep(/^\Q$field\E$/,@{$candelete})) {
10083: if ($field eq 'firstname') {
10084: $names{$field} = $first;
10085: } elsif ($field eq 'middlename') {
10086: $names{$field} = $middle;
10087: } elsif ($field eq 'lastname') {
10088: $names{$field} = $last;
10089: } elsif ($field eq 'generation') {
10090: $names{$field} = $gene;
10091: } elsif ($field eq 'permanentemail') {
10092: $names{$field} = $email;
10093: } elsif ($field eq 'id') {
10094: $names{$field} = $uid;
10095: }
10096: }
10097: }
10098: }
1.388 www 10099: if ($first) { $names{'firstname'} = $first; }
1.385 matthew 10100: if (defined($middle)) { $names{'middlename'} = $middle; }
1.388 www 10101: if ($last) { $names{'lastname'} = $last; }
1.385 matthew 10102: if (defined($gene)) { $names{'generation'} = $gene; }
1.592 www 10103: if ($email) {
10104: $email=~s/[^\w\@\.\-\,]//gs;
1.963 raeburn 10105: if ($email=~/\@/) { $names{'permanentemail'} = $email; }
1.592 www 10106: }
1.899 raeburn 10107: if ($uid) { $names{'id'} = $uid; }
1.989 raeburn 10108: if (defined($inststatus)) {
10109: $names{'inststatus'} = '';
10110: my ($usertypes,$typesorder) = &retrieve_inst_usertypes($udom);
10111: if (ref($usertypes) eq 'HASH') {
10112: my @okstatuses;
10113: foreach my $item (split(/:/,$inststatus)) {
10114: if (defined($usertypes->{$item})) {
10115: push(@okstatuses,$item);
10116: }
10117: }
10118: if (@okstatuses) {
10119: $names{'inststatus'} = join(':', map { &escape($_); } @okstatuses);
10120: }
10121: }
10122: }
1.1075 raeburn 10123: my $logmsg = $udom.', '.$uname.', '.$uid.', '.
1.963 raeburn 10124: $umode.', '.$first.', '.$middle.', '.
1.1075 raeburn 10125: $last.', '.$gene.', '.$email.', '.$inststatus;
1.963 raeburn 10126: if ($env{'user.name'} ne '' && $env{'user.domain'}) {
10127: $logmsg .= ' by '.$env{'user.name'}.' at '.$env{'user.domain'};
10128: } else {
10129: $logmsg .= ' during self creation';
10130: }
1.1075 raeburn 10131: my $changed;
10132: if ($newuser) {
10133: $changed = 1;
10134: } else {
10135: foreach my $field (@fields) {
10136: if ($names{$field} ne $oldnames{$field}) {
10137: $changed = 1;
10138: last;
10139: }
10140: }
10141: }
10142: unless ($changed) {
10143: $logmsg = 'No changes in user information needed for: '.$logmsg;
10144: &logthis($logmsg);
10145: return 'ok';
10146: }
10147: my $reply = &put('environment', \%names, $udom,$uname);
10148: if ($reply ne 'ok') {
10149: return 'error: '.$reply;
10150: }
1.1087 raeburn 10151: if ($names{'permanentemail'} ne $oldnames{'permanentemail'}) {
10152: &Apache::lonnet::devalidate_cache_new('emailscache',$uname.':'.$udom);
10153: }
1.1075 raeburn 10154: my $sqlresult = &update_allusers_table($uname,$udom,\%names);
10155: &devalidate_cache_new('namescache',$uname.':'.$udom);
10156: $logmsg = 'Success modifying user '.$logmsg;
1.963 raeburn 10157: &logthis($logmsg);
1.134 albertel 10158: return 'ok';
1.80 www 10159: }
10160:
1.81 www 10161: # -------------------------------------------------------------- Modify student
1.80 www 10162:
1.81 www 10163: sub modifystudent {
10164: my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec,
1.957 raeburn 10165: $end,$start,$forceid,$desiredhome,$email,$type,$locktype,$cid,
1.1172.2.76 raeburn 10166: $selfenroll,$context,$inststatus,$credits,$instsec)=@_;
1.455 albertel 10167: if (!$cid) {
1.620 albertel 10168: unless ($cid=$env{'request.course.id'}) {
1.455 albertel 10169: return 'not_in_class';
10170: }
1.80 www 10171: }
10172: # --------------------------------------------------------------- Make the user
1.81 www 10173: my $reply=&modifyuser
1.209 matthew 10174: ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$forceid,
1.990 raeburn 10175: $desiredhome,$email,$inststatus);
1.80 www 10176: unless ($reply eq 'ok') { return $reply; }
1.297 matthew 10177: # This will cause &modify_student_enrollment to get the uid from the
1.1172.2.31 raeburn 10178: # student's environment
1.297 matthew 10179: $uid = undef if (!$forceid);
1.455 albertel 10180: $reply = &modify_student_enrollment($udom,$uname,$uid,$first,$middle,$last,
1.1172.2.19 raeburn 10181: $gene,$usec,$end,$start,$type,$locktype,
1.1172.2.76 raeburn 10182: $cid,$selfenroll,$context,$credits,$instsec);
1.297 matthew 10183: return $reply;
10184: }
10185:
10186: sub modify_student_enrollment {
1.1172.2.23 raeburn 10187: my ($udom,$uname,$uid,$first,$middle,$last,$gene,$usec,$end,$start,$type,
1.1172.2.76 raeburn 10188: $locktype,$cid,$selfenroll,$context,$credits,$instsec) = @_;
1.455 albertel 10189: my ($cdom,$cnum,$chome);
10190: if (!$cid) {
1.620 albertel 10191: unless ($cid=$env{'request.course.id'}) {
1.455 albertel 10192: return 'not_in_class';
10193: }
1.620 albertel 10194: $cdom=$env{'course.'.$cid.'.domain'};
10195: $cnum=$env{'course.'.$cid.'.num'};
1.455 albertel 10196: } else {
10197: ($cdom,$cnum)=split(/_/,$cid);
10198: }
1.620 albertel 10199: $chome=$env{'course.'.$cid.'.home'};
1.455 albertel 10200: if (!$chome) {
1.457 raeburn 10201: $chome=&homeserver($cnum,$cdom);
1.297 matthew 10202: }
1.455 albertel 10203: if (!$chome) { return 'unknown_course'; }
1.297 matthew 10204: # Make sure the user exists
1.81 www 10205: my $uhome=&homeserver($uname,$udom);
10206: if (($uhome eq '') || ($uhome eq 'no_host')) {
10207: return 'error: no such user';
10208: }
1.297 matthew 10209: # Get student data if we were not given enough information
10210: if (!defined($first) || $first eq '' ||
10211: !defined($last) || $last eq '' ||
10212: !defined($uid) || $uid eq '' ||
10213: !defined($middle) || $middle eq '' ||
10214: !defined($gene) || $gene eq '') {
1.294 matthew 10215: # They did not supply us with enough data to enroll the student, so
10216: # we need to pick up more information.
1.297 matthew 10217: my %tmp = &get('environment',
1.294 matthew 10218: ['firstname','middlename','lastname', 'generation','id']
1.297 matthew 10219: ,$udom,$uname);
10220:
1.800 albertel 10221: #foreach my $key (keys(%tmp)) {
10222: # &logthis("key $key = ".$tmp{$key});
1.455 albertel 10223: #}
1.294 matthew 10224: $first = $tmp{'firstname'} if (!defined($first) || $first eq '');
10225: $middle = $tmp{'middlename'} if (!defined($middle) || $middle eq '');
10226: $last = $tmp{'lastname'} if (!defined($last) || $last eq '');
1.297 matthew 10227: $gene = $tmp{'generation'} if (!defined($gene) || $gene eq '');
1.294 matthew 10228: $uid = $tmp{'id'} if (!defined($uid) || $uid eq '');
10229: }
1.556 albertel 10230: my $fullname = &format_name($first,$middle,$last,$gene,'lastname');
1.1148 raeburn 10231: my $user = "$uname:$udom";
10232: my %old_entry = &Apache::lonnet::get('classlist',[$user],$cdom,$cnum);
1.487 albertel 10233: my $reply=cput('classlist',
1.1148 raeburn 10234: {$user =>
1.1172.2.76 raeburn 10235: join(':',$end,$start,$uid,$usec,$fullname,$type,$locktype,$credits,$instsec) },
1.487 albertel 10236: $cdom,$cnum);
1.1148 raeburn 10237: if (($reply eq 'ok') || ($reply eq 'delayed')) {
10238: &devalidate_getsection_cache($udom,$uname,$cid);
10239: } else {
1.81 www 10240: return 'error: '.$reply;
10241: }
1.297 matthew 10242: # Add student role to user
1.83 www 10243: my $uurl='/'.$cid;
1.81 www 10244: $uurl=~s/\_/\//g;
10245: if ($usec) {
10246: $uurl.='/'.$usec;
10247: }
1.1148 raeburn 10248: my $result = &assignrole($udom,$uname,$uurl,'st',$end,$start,undef,
10249: $selfenroll,$context);
10250: if ($result ne 'ok') {
10251: if ($old_entry{$user} ne '') {
10252: $reply = &cput('classlist',\%old_entry,$cdom,$cnum);
10253: } else {
10254: $reply = &del('classlist',[$user],$cdom,$cnum);
10255: }
10256: }
10257: return $result;
1.21 www 10258: }
10259:
1.556 albertel 10260: sub format_name {
10261: my ($firstname,$middlename,$lastname,$generation,$first)=@_;
10262: my $name;
10263: if ($first ne 'lastname') {
10264: $name=$firstname.' '.$middlename.' '.$lastname.' '.$generation;
10265: } else {
10266: if ($lastname=~/\S/) {
10267: $name.= $lastname.' '.$generation.', '.$firstname.' '.$middlename;
10268: $name=~s/\s+,/,/;
10269: } else {
10270: $name.= $firstname.' '.$middlename.' '.$generation;
10271: }
10272: }
10273: $name=~s/^\s+//;
10274: $name=~s/\s+$//;
10275: $name=~s/\s+/ /g;
10276: return $name;
10277: }
10278:
1.84 www 10279: # ------------------------------------------------- Write to course preferences
10280:
10281: sub writecoursepref {
10282: my ($courseid,%prefs)=@_;
10283: $courseid=~s/^\///;
10284: $courseid=~s/\_/\//g;
10285: my ($cdomain,$cnum)=split(/\//,$courseid);
10286: my $chome=homeserver($cnum,$cdomain);
10287: if (($chome eq '') || ($chome eq 'no_host')) {
10288: return 'error: no such course';
10289: }
10290: my $cstring='';
1.800 albertel 10291: foreach my $pref (keys(%prefs)) {
10292: $cstring.=&escape($pref).'='.&escape($prefs{$pref}).'&';
1.191 harris41 10293: }
1.84 www 10294: $cstring=~s/\&$//;
10295: return reply('put:'.$cdomain.':'.$cnum.':environment:'.$cstring,$chome);
10296: }
10297:
10298: # ---------------------------------------------------------- Make/modify course
10299:
10300: sub createcourse {
1.741 raeburn 10301: my ($udom,$description,$url,$course_server,$nonstandard,$inst_code,
1.1172.2.118. .6(raebu 10302:20): $course_owner,$crstype,$cnum,$context,$category,$callercontext)=@_;
1.84 www 10303: $url=&declutter($url);
10304: my $cid='';
1.1028 raeburn 10305: if ($context eq 'requestcourses') {
10306: my $can_create = 0;
10307: my ($ownername,$ownerdom) = split(':',$course_owner);
10308: if ($udom eq $ownerdom) {
1.1172.2.118. .6(raebu 10309:20): my $reload;
10310:20): if (($callercontext eq 'auto') &&
10311:20): ($ownerdom eq $env{'user.domain'}) && ($ownername eq $env{'user.name'})) {
10312:20): $reload = 'reload';
10313:20): }
10314:20): if (&usertools_access($ownername,$ownerdom,$category,$reload,
1.1028 raeburn 10315: $context)) {
10316: $can_create = 1;
10317: }
10318: } else {
10319: my %userenv = &userenvironment($ownerdom,$ownername,'reqcrsotherdom.'.
10320: $category);
10321: if ($userenv{'reqcrsotherdom.'.$category} ne '') {
10322: my @curr = split(',',$userenv{'reqcrsotherdom.'.$category});
10323: if (@curr > 0) {
10324: my @options = qw(approval validate autolimit);
10325: my $optregex = join('|',@options);
10326: if (grep(/^\Q$udom\E:($optregex)(=?\d*)$/,@curr)) {
10327: $can_create = 1;
10328: }
10329: }
10330: }
10331: }
10332: if ($can_create) {
10333: unless ($ownername eq $env{'user.name'} && $ownerdom eq $env{'user.domain'}) {
10334: unless (&allowed('ccc',$udom)) {
10335: return 'refused';
10336: }
1.1017 raeburn 10337: }
10338: } else {
10339: return 'refused';
10340: }
1.1028 raeburn 10341: } elsif (!&allowed('ccc',$udom)) {
10342: return 'refused';
1.84 www 10343: }
1.1011 raeburn 10344: # --------------------------------------------------------------- Get Unique ID
10345: my $uname;
10346: if ($cnum =~ /^$match_courseid$/) {
10347: my $chome=&homeserver($cnum,$udom,'true');
10348: if (($chome eq '') || ($chome eq 'no_host')) {
10349: $uname = $cnum;
10350: } else {
1.1038 raeburn 10351: $uname = &generate_coursenum($udom,$crstype);
1.1011 raeburn 10352: }
10353: } else {
1.1038 raeburn 10354: $uname = &generate_coursenum($udom,$crstype);
1.1011 raeburn 10355: }
10356: return $uname if ($uname =~ /^error/);
10357: # -------------------------------------------------- Check supplied server name
1.1052 raeburn 10358: if (!defined($course_server)) {
10359: if (defined(&domain($udom,'primary'))) {
10360: $course_server = &domain($udom,'primary');
10361: } else {
10362: $course_server = $env{'user.home'};
10363: }
10364: }
10365: my %host_servers =
10366: &Apache::lonnet::get_servers($udom,'library');
10367: unless ($host_servers{$course_server}) {
10368: return 'error: invalid home server for course: '.$course_server;
1.264 matthew 10369: }
1.84 www 10370: # ------------------------------------------------------------- Make the course
10371: my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::',
1.264 matthew 10372: $course_server);
1.84 www 10373: unless ($reply eq 'ok') { return 'error: '.$reply; }
1.1011 raeburn 10374: my $uhome=&homeserver($uname,$udom,'true');
1.84 www 10375: if (($uhome eq '') || ($uhome eq 'no_host')) {
10376: return 'error: no such course';
10377: }
1.271 www 10378: # ----------------------------------------------------------------- Course made
1.516 raeburn 10379: # log existence
1.1029 raeburn 10380: my $now = time;
1.918 raeburn 10381: my $newcourse = {
10382: $udom.'_'.$uname => {
1.921 raeburn 10383: description => $description,
10384: inst_code => $inst_code,
10385: owner => $course_owner,
10386: type => $crstype,
1.1029 raeburn 10387: creator => $env{'user.name'}.':'.
10388: $env{'user.domain'},
10389: created => $now,
10390: context => $context,
1.918 raeburn 10391: },
10392: };
1.921 raeburn 10393: &courseidput($udom,$newcourse,$uhome,'notime');
1.358 www 10394: # set toplevel url
1.271 www 10395: my $topurl=$url;
10396: unless ($nonstandard) {
10397: # ------------------------------------------ For standard courses, make top url
10398: my $mapurl=&clutter($url);
1.278 www 10399: if ($mapurl eq '/res/') { $mapurl=''; }
1.620 albertel 10400: $env{'form.initmap'}=(<<ENDINITMAP);
1.271 www 10401: <map>
10402: <resource id="1" type="start"></resource>
10403: <resource id="2" src="$mapurl"></resource>
10404: <resource id="3" type="finish"></resource>
10405: <link index="1" from="1" to="2"></link>
10406: <link index="2" from="2" to="3"></link>
10407: </map>
10408: ENDINITMAP
10409: $topurl=&declutter(
1.638 albertel 10410: &finishuserfileupload($uname,$udom,'initmap','default.sequence')
1.271 www 10411: );
10412: }
10413: # ----------------------------------------------------------- Write preferences
1.84 www 10414: &writecoursepref($udom.'_'.$uname,
1.1056 raeburn 10415: ('description' => $description,
10416: 'url' => $topurl,
10417: 'internal.creator' => $env{'user.name'}.':'.
10418: $env{'user.domain'},
10419: 'internal.created' => $now,
10420: 'internal.creationcontext' => $context)
10421: );
1.84 www 10422: return '/'.$udom.'/'.$uname;
10423: }
10424:
1.1011 raeburn 10425: # ------------------------------------------------------------------- Create ID
10426: sub generate_coursenum {
1.1038 raeburn 10427: my ($udom,$crstype) = @_;
1.1011 raeburn 10428: my $domdesc = &domain($udom);
10429: return 'error: invalid domain' if ($domdesc eq '');
1.1038 raeburn 10430: my $first;
10431: if ($crstype eq 'Community') {
10432: $first = '0';
10433: } else {
10434: $first = int(1+rand(9));
10435: }
10436: my $uname=$first.
1.1011 raeburn 10437: ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
10438: substr($$.time,0,5).unpack("H8",pack("I32",time)).
10439: unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
10440: # ----------------------------------------------- Make sure that does not exist
10441: my $uhome=&homeserver($uname,$udom,'true');
10442: unless (($uhome eq '') || ($uhome eq 'no_host')) {
1.1038 raeburn 10443: if ($crstype eq 'Community') {
10444: $first = '0';
10445: } else {
10446: $first = int(1+rand(9));
10447: }
10448: $uname=$first.
1.1011 raeburn 10449: ('a'..'z','A'..'Z','0'..'9')[int(rand(62))].
10450: substr($$.time,0,5).unpack("H8",pack("I32",time)).
10451: unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
10452: $uhome=&homeserver($uname,$udom,'true');
10453: unless (($uhome eq '') || ($uhome eq 'no_host')) {
10454: return 'error: unable to generate unique course-ID';
10455: }
10456: }
10457: return $uname;
10458: }
10459:
1.813 albertel 10460: sub is_course {
1.1167 droeschl 10461: my ($cdom, $cnum) = scalar(@_) == 1 ?
10462: ($_[0] =~ /^($match_domain)_($match_courseid)$/) : @_;
1.1172.2.95 raeburn 10463: return unless (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/));
10464: my $uhome=&homeserver($cnum,$cdom);
10465: my $iscourse;
10466: if (grep { $_ eq $uhome } current_machine_ids()) {
10467: $iscourse = &LONCAPA::Lond::is_course($cdom,$cnum);
10468: } else {
10469: my $hashid = $cdom.':'.$cnum;
10470: ($iscourse,my $cached) = &is_cached_new('iscourse',$hashid);
10471: unless (defined($cached)) {
10472: my %courses = &courseiddump($cdom, '.', 1, '.', '.',
10473: $cnum,undef,undef,'.');
10474: $iscourse = 0;
10475: if (exists($courses{$cdom.'_'.$cnum})) {
10476: $iscourse = 1;
10477: }
10478: &do_cache_new('iscourse',$hashid,$iscourse,3600);
10479: }
10480: }
10481: return unless($iscourse);
1.1167 droeschl 10482: return wantarray ? ($cdom, $cnum) : $cdom.'_'.$cnum;
1.813 albertel 10483: }
10484:
1.1015 raeburn 10485: sub store_userdata {
10486: my ($storehash,$datakey,$namespace,$udom,$uname) = @_;
1.1013 raeburn 10487: my $result;
1.1016 raeburn 10488: if ($datakey ne '') {
1.1013 raeburn 10489: if (ref($storehash) eq 'HASH') {
1.1017 raeburn 10490: if ($udom eq '' || $uname eq '') {
10491: $udom = $env{'user.domain'};
10492: $uname = $env{'user.name'};
10493: }
10494: my $uhome=&homeserver($uname,$udom);
1.1013 raeburn 10495: if (($uhome eq '') || ($uhome eq 'no_host')) {
10496: $result = 'error: no_host';
10497: } else {
10498: $storehash->{'ip'} = $ENV{'REMOTE_ADDR'};
10499: $storehash->{'host'} = $perlvar{'lonHostID'};
10500:
10501: my $namevalue='';
10502: foreach my $key (keys(%{$storehash})) {
10503: $namevalue.=&escape($key).'='.&freeze_escape($$storehash{$key}).'&';
10504: }
10505: $namevalue=~s/\&$//;
1.1172.2.26 raeburn 10506: unless ($namespace eq 'courserequests') {
10507: $datakey = &escape($datakey);
10508: }
1.1105 raeburn 10509: $result = &reply("store:$udom:$uname:$namespace:$datakey:".
10510: $namevalue,$uhome);
1.1013 raeburn 10511: }
10512: } else {
10513: $result = 'error: data to store was not a hash reference';
10514: }
10515: } else {
10516: $result= 'error: invalid requestkey';
10517: }
10518: return $result;
10519: }
10520:
1.21 www 10521: # ---------------------------------------------------------- Assign Custom Role
10522:
10523: sub assigncustomrole {
1.957 raeburn 10524: my ($udom,$uname,$url,$rdom,$rnam,$rolename,$end,$start,$deleteflag,$selfenroll,$context)=@_;
1.21 www 10525: return &assignrole($udom,$uname,$url,'cr/'.$rdom.'/'.$rnam.'/'.$rolename,
1.957 raeburn 10526: $end,$start,$deleteflag,$selfenroll,$context);
1.21 www 10527: }
10528:
10529: # ----------------------------------------------------------------- Revoke Role
10530:
10531: sub revokerole {
1.957 raeburn 10532: my ($udom,$uname,$url,$role,$deleteflag,$selfenroll,$context)=@_;
1.21 www 10533: my $now=time;
1.965 raeburn 10534: return &assignrole($udom,$uname,$url,$role,$now,undef,$deleteflag,$selfenroll,$context);
1.21 www 10535: }
10536:
10537: # ---------------------------------------------------------- Revoke Custom Role
10538:
10539: sub revokecustomrole {
1.957 raeburn 10540: my ($udom,$uname,$url,$rdom,$rnam,$rolename,$deleteflag,$selfenroll,$context)=@_;
1.21 www 10541: my $now=time;
1.357 www 10542: return &assigncustomrole($udom,$uname,$url,$rdom,$rnam,$rolename,$now,
1.957 raeburn 10543: $deleteflag,$selfenroll,$context);
1.17 www 10544: }
10545:
1.533 banghart 10546: # ------------------------------------------------------------ Disk usage
1.535 albertel 10547: sub diskusage {
1.955 raeburn 10548: my ($udom,$uname,$directorypath,$getpropath)=@_;
10549: $directorypath =~ s/\/$//;
10550: my $listing=&reply('du2:'.&escape($directorypath).':'
10551: .&escape($getpropath).':'.&escape($uname).':'
10552: .&escape($udom),homeserver($uname,$udom));
10553: if ($listing eq 'unknown_cmd') {
10554: if ($getpropath) {
10555: $directorypath = &propath($udom,$uname).'/'.$directorypath;
10556: }
10557: $listing = &reply('du:'.$directorypath,homeserver($uname,$udom));
10558: }
1.514 albertel 10559: return $listing;
1.512 banghart 10560: }
10561:
1.566 banghart 10562: sub is_locked {
1.1096 raeburn 10563: my ($file_name, $domain, $user, $which) = @_;
1.566 banghart 10564: my @check;
10565: my $is_locked;
1.1093 raeburn 10566: push (@check,$file_name);
1.613 albertel 10567: my %locked = &get('file_permissions',\@check,
1.620 albertel 10568: $env{'user.domain'},$env{'user.name'});
1.615 albertel 10569: my ($tmp)=keys(%locked);
10570: if ($tmp=~/^error:/) { undef(%locked); }
1.745 raeburn 10571:
1.566 banghart 10572: if (ref($locked{$file_name}) eq 'ARRAY') {
1.745 raeburn 10573: $is_locked = 'false';
10574: foreach my $entry (@{$locked{$file_name}}) {
1.1096 raeburn 10575: if (ref($entry) eq 'ARRAY') {
1.746 raeburn 10576: $is_locked = 'true';
1.1096 raeburn 10577: if (ref($which) eq 'ARRAY') {
10578: push(@{$which},$entry);
10579: } else {
10580: last;
10581: }
1.745 raeburn 10582: }
10583: }
1.566 banghart 10584: } else {
10585: $is_locked = 'false';
10586: }
1.1093 raeburn 10587: return $is_locked;
1.566 banghart 10588: }
10589:
1.759 albertel 10590: sub declutter_portfile {
10591: my ($file) = @_;
1.833 albertel 10592: $file =~ s{^(/portfolio/|portfolio/)}{/};
1.759 albertel 10593: return $file;
10594: }
10595:
1.559 banghart 10596: # ------------------------------------------------------------- Mark as Read Only
10597:
10598: sub mark_as_readonly {
10599: my ($domain,$user,$files,$what) = @_;
1.613 albertel 10600: my %current_permissions = &dump('file_permissions',$domain,$user);
1.615 albertel 10601: my ($tmp)=keys(%current_permissions);
10602: if ($tmp=~/^error:/) { undef(%current_permissions); }
1.560 banghart 10603: foreach my $file (@{$files}) {
1.759 albertel 10604: $file = &declutter_portfile($file);
1.561 banghart 10605: push(@{$current_permissions{$file}},$what);
1.559 banghart 10606: }
1.613 albertel 10607: &put('file_permissions',\%current_permissions,$domain,$user);
1.559 banghart 10608: return;
10609: }
10610:
1.572 banghart 10611: # ------------------------------------------------------------Save Selected Files
10612:
10613: sub save_selected_files {
10614: my ($user, $path, @files) = @_;
10615: my $filename = $user."savedfiles";
1.573 banghart 10616: my @other_files = &files_not_in_path($user, $path);
1.1172.2.96 raeburn 10617: open (OUT,'>',LONCAPA::tempdir().$filename);
1.573 banghart 10618: foreach my $file (@files) {
1.620 albertel 10619: print (OUT $env{'form.currentpath'}.$file."\n");
1.573 banghart 10620: }
10621: foreach my $file (@other_files) {
1.574 banghart 10622: print (OUT $file."\n");
1.572 banghart 10623: }
1.574 banghart 10624: close (OUT);
1.572 banghart 10625: return 'ok';
10626: }
10627:
1.574 banghart 10628: sub clear_selected_files {
10629: my ($user) = @_;
10630: my $filename = $user."savedfiles";
1.1172.2.96 raeburn 10631: open (OUT,'>',LONCAPA::tempdir().$filename);
1.574 banghart 10632: print (OUT undef);
10633: close (OUT);
10634: return ("ok");
10635: }
10636:
1.572 banghart 10637: sub files_in_path {
10638: my ($user, $path) = @_;
10639: my $filename = $user."savedfiles";
10640: my %return_files;
1.1172.2.96 raeburn 10641: open (IN,'<',LONCAPA::tempdir().$filename);
1.573 banghart 10642: while (my $line_in = <IN>) {
1.574 banghart 10643: chomp ($line_in);
10644: my @paths_and_file = split (m!/!, $line_in);
10645: my $file_part = pop (@paths_and_file);
10646: my $path_part = join ('/', @paths_and_file);
1.573 banghart 10647: $path_part.='/';
10648: my $path_and_file = $path_part.$file_part;
10649: if ($path_part eq $path) {
10650: $return_files{$file_part}= 'selected';
10651: }
10652: }
1.574 banghart 10653: close (IN);
10654: return (\%return_files);
1.572 banghart 10655: }
10656:
10657: # called in portfolio select mode, to show files selected NOT in current directory
10658: sub files_not_in_path {
10659: my ($user, $path) = @_;
10660: my $filename = $user."savedfiles";
10661: my @return_files;
10662: my $path_part;
1.1172.2.96 raeburn 10663: open(IN, '<',LONCAPA::tempdir().$filename);
1.800 albertel 10664: while (my $line = <IN>) {
1.572 banghart 10665: #ok, I know it's clunky, but I want it to work
1.800 albertel 10666: my @paths_and_file = split(m|/|, $line);
10667: my $file_part = pop(@paths_and_file);
10668: chomp($file_part);
10669: my $path_part = join('/', @paths_and_file);
1.572 banghart 10670: $path_part .= '/';
10671: my $path_and_file = $path_part.$file_part;
10672: if ($path_part ne $path) {
1.800 albertel 10673: push(@return_files, ($path_and_file));
1.572 banghart 10674: }
10675: }
1.800 albertel 10676: close(OUT);
1.574 banghart 10677: return (@return_files);
1.572 banghart 10678: }
10679:
1.745 raeburn 10680: #----------------------------------------------Get portfolio file permissions
1.629 banghart 10681:
1.745 raeburn 10682: sub get_portfile_permissions {
10683: my ($domain,$user) = @_;
1.613 albertel 10684: my %current_permissions = &dump('file_permissions',$domain,$user);
1.615 albertel 10685: my ($tmp)=keys(%current_permissions);
10686: if ($tmp=~/^error:/) { undef(%current_permissions); }
1.745 raeburn 10687: return \%current_permissions;
10688: }
10689:
10690: #---------------------------------------------Get portfolio file access controls
10691:
1.749 raeburn 10692: sub get_access_controls {
1.745 raeburn 10693: my ($current_permissions,$group,$file) = @_;
1.769 albertel 10694: my %access;
10695: my $real_file = $file;
10696: $file =~ s/\.meta$//;
1.745 raeburn 10697: if (defined($file)) {
1.749 raeburn 10698: if (ref($$current_permissions{$file."\0".'accesscontrol'}) eq 'HASH') {
10699: foreach my $control (keys(%{$$current_permissions{$file."\0".'accesscontrol'}})) {
1.769 albertel 10700: $access{$real_file}{$control} = $$current_permissions{$file."\0".$control};
1.749 raeburn 10701: }
10702: }
1.745 raeburn 10703: } else {
1.749 raeburn 10704: foreach my $key (keys(%{$current_permissions})) {
10705: if ($key =~ /\0accesscontrol$/) {
10706: if (defined($group)) {
10707: if ($key !~ m-^\Q$group\E/-) {
10708: next;
10709: }
10710: }
10711: my ($fullpath) = split(/\0/,$key);
10712: if (ref($$current_permissions{$key}) eq 'HASH') {
10713: foreach my $control (keys(%{$$current_permissions{$key}})) {
10714: $access{$fullpath}{$control}=$$current_permissions{$fullpath."\0".$control};
10715: }
10716: }
10717: }
10718: }
10719: }
10720: return %access;
10721: }
10722:
10723: sub modify_access_controls {
10724: my ($file_name,$changes,$domain,$user)=@_;
10725: my ($outcome,$deloutcome);
10726: my %store_permissions;
10727: my %new_values;
10728: my %new_control;
10729: my %translation;
10730: my @deletions = ();
10731: my $now = time;
10732: if (exists($$changes{'activate'})) {
10733: if (ref($$changes{'activate'}) eq 'HASH') {
10734: my @newitems = sort(keys(%{$$changes{'activate'}}));
10735: my $numnew = scalar(@newitems);
10736: for (my $i=0; $i<$numnew; $i++) {
10737: my $newkey = $newitems[$i];
10738: my $newid = &Apache::loncommon::get_cgi_id();
1.797 raeburn 10739: if ($newkey =~ /^\d+:/) {
10740: $newkey =~ s/^(\d+)/$newid/;
10741: $translation{$1} = $newid;
10742: } elsif ($newkey =~ /^\d+_\d+_\d+:/) {
10743: $newkey =~ s/^(\d+_\d+_\d+)/$newid/;
10744: $translation{$1} = $newid;
10745: }
1.749 raeburn 10746: $new_values{$file_name."\0".$newkey} =
10747: $$changes{'activate'}{$newitems[$i]};
10748: $new_control{$newkey} = $now;
10749: }
10750: }
10751: }
10752: my %todelete;
10753: my %changed_items;
10754: foreach my $action ('delete','update') {
10755: if (exists($$changes{$action})) {
10756: if (ref($$changes{$action}) eq 'HASH') {
10757: foreach my $key (keys(%{$$changes{$action}})) {
10758: my ($itemnum) = ($key =~ /^([^:]+):/);
10759: if ($action eq 'delete') {
10760: $todelete{$itemnum} = 1;
10761: } else {
10762: $changed_items{$itemnum} = $key;
10763: }
10764: }
1.745 raeburn 10765: }
10766: }
1.749 raeburn 10767: }
10768: # get lock on access controls for file.
10769: my $lockhash = {
10770: $file_name."\0".'locked_access_records' => $env{'user.name'}.
10771: ':'.$env{'user.domain'},
10772: };
10773: my $tries = 0;
10774: my $gotlock = &newput('file_permissions',$lockhash,$domain,$user);
10775:
1.1172.2.79 raeburn 10776: while (($gotlock ne 'ok') && $tries < 10) {
1.749 raeburn 10777: $tries ++;
1.1172.2.79 raeburn 10778: sleep(0.1);
1.749 raeburn 10779: $gotlock = &newput('file_permissions',$lockhash,$domain,$user);
10780: }
10781: if ($gotlock eq 'ok') {
10782: my %curr_permissions = &dump('file_permissions',$domain,$user,$file_name);
10783: my ($tmp)=keys(%curr_permissions);
10784: if ($tmp=~/^error:/) { undef(%curr_permissions); }
10785: if (exists($curr_permissions{$file_name."\0".'accesscontrol'})) {
10786: my $curr_controls = $curr_permissions{$file_name."\0".'accesscontrol'};
10787: if (ref($curr_controls) eq 'HASH') {
10788: foreach my $control_item (keys(%{$curr_controls})) {
10789: my ($itemnum) = ($control_item =~ /^([^:]+):/);
10790: if (defined($todelete{$itemnum})) {
10791: push(@deletions,$file_name."\0".$control_item);
10792: } else {
10793: if (defined($changed_items{$itemnum})) {
10794: $new_control{$changed_items{$itemnum}} = $now;
10795: push(@deletions,$file_name."\0".$control_item);
10796: $new_values{$file_name."\0".$changed_items{$itemnum}} = $$changes{'update'}{$changed_items{$itemnum}};
10797: } else {
10798: $new_control{$control_item} = $$curr_controls{$control_item};
10799: }
10800: }
1.745 raeburn 10801: }
10802: }
10803: }
1.970 raeburn 10804: my ($group);
10805: if (&is_course($domain,$user)) {
10806: ($group,my $file) = split(/\//,$file_name,2);
10807: }
1.749 raeburn 10808: $deloutcome = &del('file_permissions',\@deletions,$domain,$user);
10809: $new_values{$file_name."\0".'accesscontrol'} = \%new_control;
10810: $outcome = &put('file_permissions',\%new_values,$domain,$user);
10811: # remove lock
10812: my @del_lock = ($file_name."\0".'locked_access_records');
10813: my $dellockoutcome = &del('file_permissions',\@del_lock,$domain,$user);
1.818 raeburn 10814: my $sqlresult =
1.970 raeburn 10815: &update_portfolio_table($user,$domain,$file_name,'portfolio_access',
1.818 raeburn 10816: $group);
1.749 raeburn 10817: } else {
10818: $outcome = "error: could not obtain lockfile\n";
1.745 raeburn 10819: }
1.749 raeburn 10820: return ($outcome,$deloutcome,\%new_values,\%translation);
1.745 raeburn 10821: }
10822:
1.827 raeburn 10823: sub make_public_indefinitely {
10824: my ($requrl) = @_;
10825: my $now = time;
10826: my $action = 'activate';
10827: my $aclnum = 0;
10828: if (&is_portfolio_url($requrl)) {
10829: my (undef,$udom,$unum,$file_name,$group) =
10830: &parse_portfolio_url($requrl);
10831: my $current_perms = &get_portfile_permissions($udom,$unum);
10832: my %access_controls = &get_access_controls($current_perms,
10833: $group,$file_name);
10834: foreach my $key (keys(%{$access_controls{$file_name}})) {
10835: my ($num,$scope,$end,$start) =
10836: ($key =~ /^([^:]+):([a-z]+)_(\d*)_?(\d*)$/);
10837: if ($scope eq 'public') {
10838: if ($start <= $now && $end == 0) {
10839: $action = 'none';
10840: } else {
10841: $action = 'update';
10842: $aclnum = $num;
10843: }
10844: last;
10845: }
10846: }
10847: if ($action eq 'none') {
10848: return 'ok';
10849: } else {
10850: my %changes;
10851: my $newend = 0;
10852: my $newstart = $now;
10853: my $newkey = $aclnum.':public_'.$newend.'_'.$newstart;
10854: $changes{$action}{$newkey} = {
10855: type => 'public',
10856: time => {
10857: start => $newstart,
10858: end => $newend,
10859: },
10860: };
10861: my ($outcome,$deloutcome,$new_values,$translation) =
10862: &modify_access_controls($file_name,\%changes,$udom,$unum);
10863: return $outcome;
10864: }
10865: } else {
10866: return 'invalid';
10867: }
10868: }
10869:
1.745 raeburn 10870: #------------------------------------------------------Get Marked as Read Only
10871:
10872: sub get_marked_as_readonly {
10873: my ($domain,$user,$what,$group) = @_;
10874: my $current_permissions = &get_portfile_permissions($domain,$user);
1.563 banghart 10875: my @readonly_files;
1.629 banghart 10876: my $cmp1=$what;
10877: if (ref($what)) { $cmp1=join('',@{$what}) };
1.745 raeburn 10878: while (my ($file_name,$value) = each(%{$current_permissions})) {
10879: if (defined($group)) {
10880: if ($file_name !~ m-^\Q$group\E/-) {
10881: next;
10882: }
10883: }
1.561 banghart 10884: if (ref($value) eq "ARRAY"){
10885: foreach my $stored_what (@{$value}) {
1.629 banghart 10886: my $cmp2=$stored_what;
1.759 albertel 10887: if (ref($stored_what) eq 'ARRAY') {
1.746 raeburn 10888: $cmp2=join('',@{$stored_what});
1.745 raeburn 10889: }
1.629 banghart 10890: if ($cmp1 eq $cmp2) {
1.561 banghart 10891: push(@readonly_files, $file_name);
1.745 raeburn 10892: last;
1.563 banghart 10893: } elsif (!defined($what)) {
10894: push(@readonly_files, $file_name);
1.745 raeburn 10895: last;
1.561 banghart 10896: }
10897: }
1.745 raeburn 10898: }
1.561 banghart 10899: }
10900: return @readonly_files;
10901: }
1.577 banghart 10902: #-----------------------------------------------------------Get Marked as Read Only Hash
1.561 banghart 10903:
1.577 banghart 10904: sub get_marked_as_readonly_hash {
1.745 raeburn 10905: my ($current_permissions,$group,$what) = @_;
1.577 banghart 10906: my %readonly_files;
1.745 raeburn 10907: while (my ($file_name,$value) = each(%{$current_permissions})) {
10908: if (defined($group)) {
10909: if ($file_name !~ m-^\Q$group\E/-) {
10910: next;
10911: }
10912: }
1.577 banghart 10913: if (ref($value) eq "ARRAY"){
10914: foreach my $stored_what (@{$value}) {
1.745 raeburn 10915: if (ref($stored_what) eq 'ARRAY') {
1.750 banghart 10916: foreach my $lock_descriptor(@{$stored_what}) {
10917: if ($lock_descriptor eq 'graded') {
10918: $readonly_files{$file_name} = 'graded';
10919: } elsif ($lock_descriptor eq 'handback') {
10920: $readonly_files{$file_name} = 'handback';
10921: } else {
10922: if (!exists($readonly_files{$file_name})) {
10923: $readonly_files{$file_name} = 'locked';
10924: }
10925: }
1.745 raeburn 10926: }
1.750 banghart 10927: }
1.577 banghart 10928: }
10929: }
10930: }
10931: return %readonly_files;
10932: }
1.559 banghart 10933: # ------------------------------------------------------------ Unmark as Read Only
10934:
10935: sub unmark_as_readonly {
1.629 banghart 10936: # unmarks $file_name (if $file_name is defined), or all files locked by $what
10937: # for portfolio submissions, $what contains [$symb,$crsid]
1.745 raeburn 10938: my ($domain,$user,$what,$file_name,$group) = @_;
1.759 albertel 10939: $file_name = &declutter_portfile($file_name);
1.634 albertel 10940: my $symb_crs = $what;
10941: if (ref($what)) { $symb_crs=join('',@$what); }
1.745 raeburn 10942: my %current_permissions = &dump('file_permissions',$domain,$user,$group);
1.615 albertel 10943: my ($tmp)=keys(%current_permissions);
10944: if ($tmp=~/^error:/) { undef(%current_permissions); }
1.745 raeburn 10945: my @readonly_files = &get_marked_as_readonly($domain,$user,$what,$group);
1.650 albertel 10946: foreach my $file (@readonly_files) {
1.759 albertel 10947: my $clean_file = &declutter_portfile($file);
10948: if (defined($file_name) && ($file_name ne $clean_file)) { next; }
1.650 albertel 10949: my $current_locks = $current_permissions{$file};
1.563 banghart 10950: my @new_locks;
10951: my @del_keys;
10952: if (ref($current_locks) eq "ARRAY"){
10953: foreach my $locker (@{$current_locks}) {
1.632 albertel 10954: my $compare=$locker;
1.749 raeburn 10955: if (ref($locker) eq 'ARRAY') {
1.745 raeburn 10956: $compare=join('',@{$locker});
1.746 raeburn 10957: if ($compare ne $symb_crs) {
10958: push(@new_locks, $locker);
10959: }
1.563 banghart 10960: }
10961: }
1.650 albertel 10962: if (scalar(@new_locks) > 0) {
1.563 banghart 10963: $current_permissions{$file} = \@new_locks;
10964: } else {
10965: push(@del_keys, $file);
1.613 albertel 10966: &del('file_permissions',\@del_keys, $domain, $user);
1.650 albertel 10967: delete($current_permissions{$file});
1.563 banghart 10968: }
10969: }
1.561 banghart 10970: }
1.613 albertel 10971: &put('file_permissions',\%current_permissions,$domain,$user);
1.559 banghart 10972: return;
10973: }
1.512 banghart 10974:
1.17 www 10975: # ------------------------------------------------------------ Directory lister
10976:
10977: sub dirlist {
1.955 raeburn 10978: my ($uri,$userdomain,$username,$getpropath,$getuserdir,$alternateRoot)=@_;
1.18 www 10979: $uri=~s/^\///;
10980: $uri=~s/\/$//;
1.253 stredwic 10981: my ($udom, $uname);
1.955 raeburn 10982: if ($getuserdir) {
1.253 stredwic 10983: $udom = $userdomain;
10984: $uname = $username;
1.955 raeburn 10985: } else {
10986: (undef,$udom,$uname)=split(/\//,$uri);
10987: if(defined($userdomain)) {
10988: $udom = $userdomain;
10989: }
10990: if(defined($username)) {
10991: $uname = $username;
10992: }
1.253 stredwic 10993: }
1.955 raeburn 10994: my ($dirRoot,$listing,@listing_results);
1.253 stredwic 10995:
1.955 raeburn 10996: $dirRoot = $perlvar{'lonDocRoot'};
10997: if (defined($getpropath)) {
10998: $dirRoot = &propath($udom,$uname);
1.253 stredwic 10999: $dirRoot =~ s/\/$//;
1.955 raeburn 11000: } elsif (defined($getuserdir)) {
11001: my $subdir=$uname.'__';
11002: $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
11003: $dirRoot = $Apache::lonnet::perlvar{'lonUsersDir'}
11004: ."/$udom/$subdir/$uname";
11005: } elsif (defined($alternateRoot)) {
11006: $dirRoot = $alternateRoot;
1.751 banghart 11007: }
1.253 stredwic 11008:
11009: if($udom) {
11010: if($uname) {
1.1135 raeburn 11011: my $uhome = &homeserver($uname,$udom);
1.1136 raeburn 11012: if ($uhome eq 'no_host') {
11013: return ([],'no_host');
11014: }
1.955 raeburn 11015: $listing = &reply('ls3:'.&escape('/'.$uri).':'.$getpropath.':'
1.956 raeburn 11016: .$getuserdir.':'.&escape($dirRoot)
1.1135 raeburn 11017: .':'.&escape($uname).':'.&escape($udom),$uhome);
1.955 raeburn 11018: if ($listing eq 'unknown_cmd') {
1.1135 raeburn 11019: $listing = &reply('ls2:'.$dirRoot.'/'.$uri,$uhome);
1.955 raeburn 11020: } else {
11021: @listing_results = map { &unescape($_); } split(/:/,$listing);
11022: }
1.605 matthew 11023: if ($listing eq 'unknown_cmd') {
1.1135 raeburn 11024: $listing = &reply('ls:'.$dirRoot.'/'.$uri,$uhome);
1.605 matthew 11025: @listing_results = split(/:/,$listing);
11026: } else {
11027: @listing_results = map { &unescape($_); } split(/:/,$listing);
11028: }
1.1135 raeburn 11029: if (($listing eq 'no_such_host') || ($listing eq 'con_lost') ||
1.1136 raeburn 11030: ($listing eq 'rejected') || ($listing eq 'refused') ||
11031: ($listing eq 'no_such_dir') || ($listing eq 'empty')) {
11032: return ([],$listing);
11033: } else {
11034: return (\@listing_results);
1.1135 raeburn 11035: }
1.955 raeburn 11036: } elsif(!$alternateRoot) {
1.1136 raeburn 11037: my (%allusers,%listerror);
1.841 albertel 11038: my %servers = &get_servers($udom,'library');
1.955 raeburn 11039: foreach my $tryserver (keys(%servers)) {
11040: $listing = &reply('ls3:'.&escape("/res/$udom").':::::'.
11041: &escape($udom),$tryserver);
11042: if ($listing eq 'unknown_cmd') {
11043: $listing = &reply('ls2:'.$perlvar{'lonDocRoot'}.'/res/'.
11044: $udom, $tryserver);
11045: } else {
11046: @listing_results = map { &unescape($_); } split(/:/,$listing);
11047: }
1.841 albertel 11048: if ($listing eq 'unknown_cmd') {
11049: $listing = &reply('ls:'.$perlvar{'lonDocRoot'}.'/res/'.
11050: $udom, $tryserver);
11051: @listing_results = split(/:/,$listing);
11052: } else {
11053: @listing_results =
11054: map { &unescape($_); } split(/:/,$listing);
11055: }
1.1136 raeburn 11056: if (($listing eq 'no_such_host') || ($listing eq 'con_lost') ||
11057: ($listing eq 'rejected') || ($listing eq 'refused') ||
11058: ($listing eq 'no_such_dir') || ($listing eq 'empty')) {
11059: $listerror{$tryserver} = $listing;
11060: } else {
1.841 albertel 11061: foreach my $line (@listing_results) {
11062: my ($entry) = split(/&/,$line,2);
11063: $allusers{$entry} = 1;
11064: }
11065: }
1.253 stredwic 11066: }
1.1136 raeburn 11067: my @alluserslist=();
1.800 albertel 11068: foreach my $user (sort(keys(%allusers))) {
1.1136 raeburn 11069: push(@alluserslist,$user.'&user');
1.253 stredwic 11070: }
1.1172.2.80 raeburn 11071: if (!%listerror) {
11072: # no errors
11073: return (\@alluserslist);
11074: } elsif (scalar(keys(%servers)) == 1) {
11075: # one library server, one error
11076: my ($key) = keys(%listerror);
11077: return (\@alluserslist, $listerror{$key});
11078: } elsif ( grep { $_ eq 'con_lost' } values(%listerror) ) {
11079: # con_lost indicates that we might miss data from at least one
11080: # library server
11081: return (\@alluserslist, 'con_lost');
11082: } else {
11083: # multiple library servers and no con_lost -> data should be
11084: # complete.
11085: return (\@alluserslist);
11086: }
11087:
1.253 stredwic 11088: } else {
1.1136 raeburn 11089: return ([],'missing username');
1.253 stredwic 11090: }
1.955 raeburn 11091: } elsif(!defined($getpropath)) {
1.1136 raeburn 11092: my $path = $perlvar{'lonDocRoot'}.'/res/';
11093: my @all_domains = map { $path.$_.'/&domain'; } (sort(&all_domains()));
11094: return (\@all_domains);
1.955 raeburn 11095: } else {
1.1136 raeburn 11096: return ([],'missing domain');
1.275 stredwic 11097: }
11098: }
11099:
11100: # --------------------------------------------- GetFileTimestamp
11101: # This function utilizes dirlist and returns the date stamp for
11102: # when it was last modified. It will also return an error of -1
11103: # if an error occurs
11104:
11105: sub GetFileTimestamp {
1.955 raeburn 11106: my ($studentDomain,$studentName,$filename,$getuserdir)=@_;
1.807 albertel 11107: $studentDomain = &LONCAPA::clean_domain($studentDomain);
11108: $studentName = &LONCAPA::clean_username($studentName);
1.1136 raeburn 11109: my ($fileref,$error) = &dirlist($filename,$studentDomain,$studentName,
11110: undef,$getuserdir);
11111: if (($error eq 'empty') || ($error eq 'no_such_dir')) {
11112: return -1;
11113: }
11114: if (ref($fileref) eq 'ARRAY') {
11115: my @stats = split('&',$fileref->[0]);
1.375 matthew 11116: # @stats contains first the filename, then the stat output
11117: return $stats[10]; # so this is 10 instead of 9.
1.275 stredwic 11118: } else {
11119: return -1;
1.253 stredwic 11120: }
1.26 www 11121: }
11122:
1.712 albertel 11123: sub stat_file {
11124: my ($uri) = @_;
1.787 albertel 11125: $uri = &clutter_with_no_wrapper($uri);
1.722 albertel 11126:
1.955 raeburn 11127: my ($udom,$uname,$file);
1.712 albertel 11128: if ($uri =~ m-^/(uploaded|editupload)/-) {
11129: ($udom,$uname,$file) =
1.811 albertel 11130: ($uri =~ m-/(?:uploaded|editupload)/?($match_domain)/?($match_name)/?(.*)-);
1.712 albertel 11131: $file = 'userfiles/'.$file;
11132: }
11133: if ($uri =~ m-^/res/-) {
11134: ($udom,$uname) =
1.807 albertel 11135: ($uri =~ m-/(?:res)/?($match_domain)/?($match_username)/-);
1.712 albertel 11136: $file = $uri;
11137: }
11138:
11139: if (!$udom || !$uname || !$file) {
11140: # unable to handle the uri
11141: return ();
11142: }
1.956 raeburn 11143: my $getpropath;
11144: if ($file =~ /^userfiles\//) {
11145: $getpropath = 1;
11146: }
1.1136 raeburn 11147: my ($listref,$error) = &dirlist($file,$udom,$uname,$getpropath);
11148: if (($error eq 'empty') || ($error eq 'no_such_dir')) {
11149: return ();
11150: } else {
11151: if (ref($listref) eq 'ARRAY') {
11152: my @stats = split('&',$listref->[0]);
11153: shift(@stats); #filename is first
11154: return @stats;
11155: }
1.712 albertel 11156: }
11157: return ();
11158: }
11159:
1.26 www 11160: # -------------------------------------------------------- Value of a Condition
11161:
1.713 albertel 11162: # gets the value of a specific preevaluated condition
11163: # stored in the string $env{user.state.<cid>}
11164: # or looks up a condition reference in the bighash and if if hasn't
11165: # already been evaluated recurses into docondval to get the value of
11166: # the condition, then memoizing it to
11167: # $env{user.state.<cid>.<condition>}
1.40 www 11168: sub directcondval {
11169: my $number=shift;
1.620 albertel 11170: if (!defined($env{'user.state.'.$env{'request.course.id'}})) {
1.555 albertel 11171: &Apache::lonuserstate::evalstate();
11172: }
1.713 albertel 11173: if (exists($env{'user.state.'.$env{'request.course.id'}.".$number"})) {
11174: return $env{'user.state.'.$env{'request.course.id'}.".$number"};
11175: } elsif ($number =~ /^_/) {
11176: my $sub_condition;
11177: if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
11178: &GDBM_READER(),0640)) {
11179: $sub_condition=$bighash{'conditions'.$number};
11180: untie(%bighash);
11181: }
11182: my $value = &docondval($sub_condition);
1.949 raeburn 11183: &appenv({'user.state.'.$env{'request.course.id'}.".$number" => $value});
1.713 albertel 11184: return $value;
11185: }
1.620 albertel 11186: if ($env{'user.state.'.$env{'request.course.id'}}) {
11187: return substr($env{'user.state.'.$env{'request.course.id'}},$number,1);
1.40 www 11188: } else {
11189: return 2;
11190: }
11191: }
11192:
1.713 albertel 11193: # get the collection of conditions for this resource
1.26 www 11194: sub condval {
11195: my $condidx=shift;
1.54 www 11196: my $allpathcond='';
1.713 albertel 11197: foreach my $cond (split(/\|/,$condidx)) {
11198: if (defined($env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond})) {
11199: $allpathcond.=
11200: '('.$env{'acc.cond.'.$env{'request.course.id'}.'.'.$cond}.')|';
11201: }
1.191 harris41 11202: }
1.54 www 11203: $allpathcond=~s/\|$//;
1.713 albertel 11204: return &docondval($allpathcond);
11205: }
11206:
11207: #evaluates an expression of conditions
11208: sub docondval {
11209: my ($allpathcond) = @_;
11210: my $result=0;
11211: if ($env{'request.course.id'}
11212: && defined($allpathcond)) {
11213: my $operand='|';
11214: my @stack;
11215: foreach my $chunk ($allpathcond=~/(\d+|_\d+\.\d+|\(|\)|\&|\|)/g) {
11216: if ($chunk eq '(') {
11217: push @stack,($operand,$result);
11218: } elsif ($chunk eq ')') {
11219: my $before=pop @stack;
11220: if (pop @stack eq '&') {
11221: $result=$result>$before?$before:$result;
11222: } else {
11223: $result=$result>$before?$result:$before;
11224: }
11225: } elsif (($chunk eq '&') || ($chunk eq '|')) {
11226: $operand=$chunk;
11227: } else {
11228: my $new=directcondval($chunk);
11229: if ($operand eq '&') {
11230: $result=$result>$new?$new:$result;
11231: } else {
11232: $result=$result>$new?$result:$new;
11233: }
11234: }
11235: }
1.26 www 11236: }
11237: return $result;
1.421 albertel 11238: }
11239:
11240: # ---------------------------------------------------- Devalidate courseresdata
11241:
11242: sub devalidatecourseresdata {
11243: my ($coursenum,$coursedomain)=@_;
11244: my $hashid=$coursenum.':'.$coursedomain;
1.599 albertel 11245: &devalidate_cache_new('courseres',$hashid);
1.28 www 11246: }
11247:
1.763 www 11248:
1.200 www 11249: # --------------------------------------------------- Course Resourcedata Query
1.878 foxr 11250: #
11251: # Parameters:
11252: # $coursenum - Number of the course.
11253: # $coursedomain - Domain at which the course was created.
11254: # Returns:
11255: # A hash of the course parameters along (I think) with timestamps
11256: # and version info.
1.877 foxr 11257:
1.624 albertel 11258: sub get_courseresdata {
11259: my ($coursenum,$coursedomain)=@_;
1.200 www 11260: my $coursehom=&homeserver($coursenum,$coursedomain);
11261: my $hashid=$coursenum.':'.$coursedomain;
1.599 albertel 11262: my ($result,$cached)=&is_cached_new('courseres',$hashid);
1.624 albertel 11263: my %dumpreply;
1.417 albertel 11264: unless (defined($cached)) {
1.624 albertel 11265: %dumpreply=&dump('resourcedata',$coursedomain,$coursenum);
1.417 albertel 11266: $result=\%dumpreply;
1.251 albertel 11267: my ($tmp) = keys(%dumpreply);
11268: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
1.599 albertel 11269: &do_cache_new('courseres',$hashid,$result,600);
1.306 albertel 11270: } elsif ($tmp =~ /^(con_lost|no_such_host)/) {
11271: return $tmp;
1.416 albertel 11272: } elsif ($tmp =~ /^(error)/) {
1.417 albertel 11273: $result=undef;
1.599 albertel 11274: &do_cache_new('courseres',$hashid,$result,600);
1.250 albertel 11275: }
11276: }
1.624 albertel 11277: return $result;
11278: }
11279:
1.633 albertel 11280: sub devalidateuserresdata {
11281: my ($uname,$udom)=@_;
11282: my $hashid="$udom:$uname";
11283: &devalidate_cache_new('userres',$hashid);
11284: }
11285:
1.624 albertel 11286: sub get_userresdata {
11287: my ($uname,$udom)=@_;
11288: #most student don\'t have any data set, check if there is some data
11289: if (&EXT_cache_status($udom,$uname)) { return undef; }
11290:
11291: my $hashid="$udom:$uname";
11292: my ($result,$cached)=&is_cached_new('userres',$hashid);
11293: if (!defined($cached)) {
11294: my %resourcedata=&dump('resourcedata',$udom,$uname);
11295: $result=\%resourcedata;
11296: &do_cache_new('userres',$hashid,$result,600);
11297: }
11298: my ($tmp)=keys(%$result);
11299: if (($tmp!~/^error\:/) && ($tmp!~/^con_lost/)) {
11300: return $result;
11301: }
11302: #error 2 occurs when the .db doesn't exist
11303: if ($tmp!~/error: 2 /) {
1.1172.2.71 raeburn 11304: if ((!defined($cached)) || ($tmp ne 'con_lost')) {
11305: &logthis("<font color=\"blue\">WARNING:".
11306: " Trying to get resource data for ".
11307: $uname." at ".$udom.": ".
11308: $tmp."</font>");
11309: }
1.624 albertel 11310: } elsif ($tmp=~/error: 2 /) {
1.633 albertel 11311: #&EXT_cache_set($udom,$uname);
11312: &do_cache_new('userres',$hashid,undef,600);
1.636 albertel 11313: undef($tmp); # not really an error so don't send it back
1.624 albertel 11314: }
11315: return $tmp;
11316: }
1.879 foxr 11317: #----------------------------------------------- resdata - return resource data
11318: # Purpose:
11319: # Return resource data for either users or for a course.
11320: # Parameters:
11321: # $name - Course/user name.
11322: # $domain - Name of the domain the user/course is registered on.
1.1172.2.118. .1(raebu 11323:20): # $type - Type of thing $name is (must be 'course' or 'user')
1.879 foxr 11324: # @which - Array of names of resources desired.
11325: # Returns:
11326: # The value of the first reasource in @which that is found in the
11327: # resource hash.
11328: # Exceptional Conditions:
11329: # If the $type passed in is not valid (not the string 'course' or
11330: # 'user', an undefined reference is returned.
11331: # If none of the resources are found, an undef is returned
1.624 albertel 11332: sub resdata {
11333: my ($name,$domain,$type,@which)=@_;
11334: my $result;
11335: if ($type eq 'course') {
11336: $result=&get_courseresdata($name,$domain);
11337: } elsif ($type eq 'user') {
11338: $result=&get_userresdata($name,$domain);
11339: }
11340: if (!ref($result)) { return $result; }
1.251 albertel 11341: foreach my $item (@which) {
1.1172.2.118. .8(raebu 11342:20): if (defined($result->{$item->[0]})) {
11343:20): return [$result->{$item->[0]},$item->[1]];
.1(raebu 11344:20): }
1.250 albertel 11345: }
1.291 albertel 11346: return undef;
1.200 www 11347: }
11348:
1.1172.2.118. .1(raebu 11349:20): sub get_domain_ltitools {
11350:20): my ($cdom) = @_;
11351:20): my %ltitools;
11352:20): my ($result,$cached)=&is_cached_new('ltitools',$cdom);
11353:20): if (defined($cached)) {
11354:20): if (ref($result) eq 'HASH') {
11355:20): %ltitools = %{$result};
11356:20): }
11357:20): } else {
11358:20): my %domconfig = &get_dom('configuration',['ltitools'],$cdom);
11359:20): if (ref($domconfig{'ltitools'}) eq 'HASH') {
11360:20): %ltitools = %{$domconfig{'ltitools'}};
11361:20): my %encdomconfig = &get_dom('encconfig',['ltitools'],$cdom);
11362:20): if (ref($encdomconfig{'ltitools'}) eq 'HASH') {
11363:20): foreach my $id (keys(%ltitools)) {
11364:20): if (ref($encdomconfig{'ltitools'}{$id}) eq 'HASH') {
11365:20): foreach my $item ('key','secret') {
11366:20): $ltitools{$id}{$item} = $encdomconfig{'ltitools'}{$id}{$item};
11367:20): }
11368:20): }
11369:20): }
11370:20): }
11371:20): }
11372:20): my $cachetime = 24*60*60;
11373:20): &do_cache_new('ltitools',$cdom,\%ltitools,$cachetime);
11374:20): }
11375:20): return %ltitools;
11376:20): }
11377:20):
1.1172.2.31 raeburn 11378: sub get_numsuppfiles {
11379: my ($cnum,$cdom,$ignorecache)=@_;
11380: my $hashid=$cnum.':'.$cdom;
11381: my ($suppcount,$cached);
11382: unless ($ignorecache) {
11383: ($suppcount,$cached) = &is_cached_new('suppcount',$hashid);
11384: }
11385: unless (defined($cached)) {
11386: my $chome=&homeserver($cnum,$cdom);
11387: unless ($chome eq 'no_host') {
11388: ($suppcount,my $errors) = (0,0);
11389: my $suppmap = 'supplemental.sequence';
11390: ($suppcount,$errors) =
11391: &Apache::loncommon::recurse_supplemental($cnum,$cdom,$suppmap,$suppcount,$errors);
11392: }
11393: &do_cache_new('suppcount',$hashid,$suppcount,600);
11394: }
11395: return $suppcount;
11396: }
11397:
1.379 matthew 11398: #
11399: # EXT resource caching routines
11400: #
11401:
11402: sub clear_EXT_cache_status {
1.383 albertel 11403: &delenv('cache.EXT.');
1.379 matthew 11404: }
11405:
11406: sub EXT_cache_status {
11407: my ($target_domain,$target_user) = @_;
1.383 albertel 11408: my $cachename = 'cache.EXT.'.$target_user.'.'.$target_domain;
1.620 albertel 11409: if (exists($env{$cachename}) && ($env{$cachename}+600) > time) {
1.379 matthew 11410: # We know already the user has no data
11411: return 1;
11412: } else {
11413: return 0;
11414: }
11415: }
11416:
11417: sub EXT_cache_set {
11418: my ($target_domain,$target_user) = @_;
1.383 albertel 11419: my $cachename = 'cache.EXT.'.$target_user.'.'.$target_domain;
1.949 raeburn 11420: #&appenv({$cachename => time});
1.379 matthew 11421: }
11422:
1.28 www 11423: # --------------------------------------------------------- Value of a Variable
1.58 www 11424: sub EXT {
1.715 albertel 11425:
1.1172.2.28 raeburn 11426: my ($varname,$symbparm,$udom,$uname,$usection,$recurse,$cid)=@_;
1.68 www 11427: unless ($varname) { return ''; }
1.218 albertel 11428: #get real user name/domain, courseid and symb
11429: my $courseid;
1.359 albertel 11430: my $publicuser;
1.427 www 11431: if ($symbparm) {
11432: $symbparm=&get_symb_from_alias($symbparm);
11433: }
1.218 albertel 11434: if (!($uname && $udom)) {
1.790 albertel 11435: (my $cursymb,$courseid,$udom,$uname,$publicuser)= &whichuser($symbparm);
1.218 albertel 11436: if (!$symbparm) { $symbparm=$cursymb; }
11437: } else {
1.620 albertel 11438: $courseid=$env{'request.course.id'};
1.218 albertel 11439: }
1.48 www 11440: my ($realm,$space,$qualifier,@therest)=split(/\./,$varname);
11441: my $rest;
1.320 albertel 11442: if (defined($therest[0])) {
1.48 www 11443: $rest=join('.',@therest);
11444: } else {
11445: $rest='';
11446: }
1.320 albertel 11447:
1.57 www 11448: my $qualifierrest=$qualifier;
11449: if ($rest) { $qualifierrest.='.'.$rest; }
11450: my $spacequalifierrest=$space;
11451: if ($qualifierrest) { $spacequalifierrest.='.'.$qualifierrest; }
1.28 www 11452: if ($realm eq 'user') {
1.48 www 11453: # --------------------------------------------------------------- user.resource
11454: if ($space eq 'resource') {
1.651 albertel 11455: if ( (defined($Apache::lonhomework::parsing_a_problem)
11456: || defined($Apache::lonhomework::parsing_a_task))
11457: &&
1.744 albertel 11458: ($symbparm eq &symbread()) ) {
11459: # if we are in the middle of processing the resource the
11460: # get the value we are planning on committing
11461: if (defined($Apache::lonhomework::results{$qualifierrest})) {
11462: return $Apache::lonhomework::results{$qualifierrest};
11463: } else {
11464: return $Apache::lonhomework::history{$qualifierrest};
11465: }
1.335 albertel 11466: } else {
1.359 albertel 11467: my %restored;
1.620 albertel 11468: if ($publicuser || $env{'request.state'} eq 'construct') {
1.359 albertel 11469: %restored=&tmprestore($symbparm,$courseid,$udom,$uname);
11470: } else {
11471: %restored=&restore($symbparm,$courseid,$udom,$uname);
11472: }
1.335 albertel 11473: return $restored{$qualifierrest};
11474: }
1.48 www 11475: # ----------------------------------------------------------------- user.access
11476: } elsif ($space eq 'access') {
1.218 albertel 11477: # FIXME - not supporting calls for a specific user
1.48 www 11478: return &allowed($qualifier,$rest);
11479: # ------------------------------------------ user.preferences, user.environment
11480: } elsif (($space eq 'preferences') || ($space eq 'environment')) {
1.620 albertel 11481: if (($uname eq $env{'user.name'}) &&
11482: ($udom eq $env{'user.domain'})) {
11483: return $env{join('.',('environment',$qualifierrest))};
1.218 albertel 11484: } else {
1.359 albertel 11485: my %returnhash;
11486: if (!$publicuser) {
11487: %returnhash=&userenvironment($udom,$uname,
11488: $qualifierrest);
11489: }
1.218 albertel 11490: return $returnhash{$qualifierrest};
11491: }
1.48 www 11492: # ----------------------------------------------------------------- user.course
11493: } elsif ($space eq 'course') {
1.218 albertel 11494: # FIXME - not supporting calls for a specific user
1.620 albertel 11495: return $env{join('.',('request.course',$qualifier))};
1.48 www 11496: # ------------------------------------------------------------------- user.role
11497: } elsif ($space eq 'role') {
1.218 albertel 11498: # FIXME - not supporting calls for a specific user
1.620 albertel 11499: my ($role,$where)=split(/\./,$env{'request.role'});
1.48 www 11500: if ($qualifier eq 'value') {
11501: return $role;
11502: } elsif ($qualifier eq 'extent') {
11503: return $where;
11504: }
11505: # ----------------------------------------------------------------- user.domain
11506: } elsif ($space eq 'domain') {
1.218 albertel 11507: return $udom;
1.48 www 11508: # ------------------------------------------------------------------- user.name
11509: } elsif ($space eq 'name') {
1.218 albertel 11510: return $uname;
1.48 www 11511: # ---------------------------------------------------- Any other user namespace
1.29 www 11512: } else {
1.359 albertel 11513: my %reply;
11514: if (!$publicuser) {
11515: %reply=&get($space,[$qualifierrest],$udom,$uname);
11516: }
11517: return $reply{$qualifierrest};
1.48 www 11518: }
1.236 www 11519: } elsif ($realm eq 'query') {
11520: # ---------------------------------------------- pull stuff out of query string
1.384 albertel 11521: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
11522: [$spacequalifierrest]);
1.620 albertel 11523: return $env{'form.'.$spacequalifierrest};
1.236 www 11524: } elsif ($realm eq 'request') {
1.48 www 11525: # ------------------------------------------------------------- request.browser
11526: if ($space eq 'browser') {
1.1145 bisitz 11527: return $env{'browser.'.$qualifier};
1.57 www 11528: # ------------------------------------------------------------ request.filename
11529: } else {
1.620 albertel 11530: return $env{'request.'.$spacequalifierrest};
1.29 www 11531: }
1.28 www 11532: } elsif ($realm eq 'course') {
1.48 www 11533: # ---------------------------------------------------------- course.description
1.620 albertel 11534: return $env{'course.'.$courseid.'.'.$spacequalifierrest};
1.57 www 11535: } elsif ($realm eq 'resource') {
1.165 www 11536:
1.620 albertel 11537: if (defined($courseid) && $courseid eq $env{'request.course.id'}) {
1.539 albertel 11538: if (!$symbparm) { $symbparm=&symbread(); }
11539: }
1.693 albertel 11540:
1.1172.2.30 raeburn 11541: if ($qualifier eq '') {
11542: if ($space eq 'title') {
11543: if (!$symbparm) { $symbparm = $env{'request.filename'}; }
11544: return &gettitle($symbparm);
11545: }
1.693 albertel 11546:
1.1172.2.30 raeburn 11547: if ($space eq 'map') {
11548: my ($map) = &decode_symb($symbparm);
11549: return &symbread($map);
11550: }
11551: if ($space eq 'maptitle') {
11552: my ($map) = &decode_symb($symbparm);
11553: return &gettitle($map);
11554: }
11555: if ($space eq 'filename') {
11556: if ($symbparm) {
11557: return &clutter((&decode_symb($symbparm))[2]);
11558: }
11559: return &hreflocation('',$env{'request.filename'});
1.905 albertel 11560: }
1.1172.2.30 raeburn 11561:
11562: if ((defined($courseid)) && ($courseid eq $env{'request.course.id'}) && $symbparm) {
11563: if ($space eq 'visibleparts') {
11564: my $navmap = Apache::lonnavmaps::navmap->new();
11565: my $item;
11566: if (ref($navmap)) {
11567: my $res = $navmap->getBySymb($symbparm);
11568: my $parts = $res->parts();
11569: if (ref($parts) eq 'ARRAY') {
11570: $item = join(',',@{$parts});
11571: }
11572: undef($navmap);
11573: }
11574: return $item;
11575: }
11576: }
11577: }
1.693 albertel 11578:
11579: my ($section, $group, @groups);
1.593 albertel 11580: my ($courselevelm,$courselevel);
1.1172.2.28 raeburn 11581: if (($courseid eq '') && ($cid)) {
11582: $courseid = $cid;
11583: }
11584: if (($symbparm && $courseid) &&
11585: (($courseid eq $env{'request.course.id'}) || ($courseid eq $cid))) {
1.165 www 11586:
1.218 albertel 11587: #print '<br>'.$space.' - '.$qualifier.' - '.$spacequalifierrest;
1.165 www 11588:
1.60 www 11589: # ----------------------------------------------------- Cascading lookup scheme
1.218 albertel 11590: my $symbp=$symbparm;
1.735 albertel 11591: my $mapp=&deversion((&decode_symb($symbp))[0]);
1.218 albertel 11592:
11593: my $symbparm=$symbp.'.'.$spacequalifierrest;
11594: my $mapparm=$mapp.'___(all).'.$spacequalifierrest;
11595:
1.620 albertel 11596: if (($env{'user.name'} eq $uname) &&
11597: ($env{'user.domain'} eq $udom)) {
11598: $section=$env{'request.course.sec'};
1.733 raeburn 11599: @groups = split(/:/,$env{'request.course.groups'});
11600: @groups=&sort_course_groups($courseid,@groups);
1.218 albertel 11601: } else {
1.539 albertel 11602: if (! defined($usection)) {
1.551 albertel 11603: $section=&getsection($udom,$uname,$courseid);
1.539 albertel 11604: } else {
11605: $section = $usection;
11606: }
1.733 raeburn 11607: @groups = &get_users_groups($udom,$uname,$courseid);
1.218 albertel 11608: }
11609:
11610: my $seclevel=$courseid.'.['.$section.'].'.$spacequalifierrest;
11611: my $seclevelr=$courseid.'.['.$section.'].'.$symbparm;
11612: my $seclevelm=$courseid.'.['.$section.'].'.$mapparm;
11613:
1.593 albertel 11614: $courselevel=$courseid.'.'.$spacequalifierrest;
1.218 albertel 11615: my $courselevelr=$courseid.'.'.$symbparm;
1.593 albertel 11616: $courselevelm=$courseid.'.'.$mapparm;
1.69 www 11617:
1.60 www 11618: # ----------------------------------------------------------- first, check user
1.624 albertel 11619:
11620: my $userreply=&resdata($uname,$udom,'user',
1.927 albertel 11621: ([$courselevelr,'resource'],
11622: [$courselevelm,'map' ],
11623: [$courselevel, 'course' ]));
1.931 albertel 11624: if (defined($userreply)) { return &get_reply($userreply); }
1.95 www 11625:
1.594 albertel 11626: # ------------------------------------------------ second, check some of course
1.684 raeburn 11627: my $coursereply;
1.691 raeburn 11628: if (@groups > 0) {
11629: $coursereply = &check_group_parms($courseid,\@groups,$symbparm,
11630: $mapparm,$spacequalifierrest);
1.927 albertel 11631: if (defined($coursereply)) { return &get_reply($coursereply); }
1.684 raeburn 11632: }
1.96 www 11633:
1.684 raeburn 11634: $coursereply=&resdata($env{'course.'.$courseid.'.num'},
1.927 albertel 11635: $env{'course.'.$courseid.'.domain'},
11636: 'course',
11637: ([$seclevelr, 'resource'],
11638: [$seclevelm, 'map' ],
11639: [$seclevel, 'course' ],
11640: [$courselevelr,'resource']));
11641: if (defined($coursereply)) { return &get_reply($coursereply); }
1.200 www 11642:
1.60 www 11643: # ------------------------------------------------------ third, check map parms
1.218 albertel 11644: my %parmhash=();
11645: my $thisparm='';
11646: if (tie(%parmhash,'GDBM_File',
1.620 albertel 11647: $env{'request.course.fn'}.'_parms.db',
1.256 albertel 11648: &GDBM_READER(),0640)) {
1.218 albertel 11649: $thisparm=$parmhash{$symbparm};
11650: untie(%parmhash);
11651: }
1.927 albertel 11652: if ($thisparm) { return &get_reply([$thisparm,'resource']); }
1.218 albertel 11653: }
1.594 albertel 11654: # ------------------------------------------ fourth, look in resource metadata
1.71 www 11655:
1.218 albertel 11656: $spacequalifierrest=~s/\./\_/;
1.282 albertel 11657: my $filename;
11658: if (!$symbparm) { $symbparm=&symbread(); }
11659: if ($symbparm) {
1.409 www 11660: $filename=(&decode_symb($symbparm))[2];
1.282 albertel 11661: } else {
1.620 albertel 11662: $filename=$env{'request.filename'};
1.282 albertel 11663: }
11664: my $metadata=&metadata($filename,$spacequalifierrest);
1.927 albertel 11665: if (defined($metadata)) { return &get_reply([$metadata,'resource']); }
1.282 albertel 11666: $metadata=&metadata($filename,'parameter_'.$spacequalifierrest);
1.927 albertel 11667: if (defined($metadata)) { return &get_reply([$metadata,'resource']); }
1.142 www 11668:
1.927 albertel 11669: # ---------------------------------------------- fourth, look in rest of course
1.593 albertel 11670: if ($symbparm && defined($courseid) &&
1.620 albertel 11671: $courseid eq $env{'request.course.id'}) {
1.624 albertel 11672: my $coursereply=&resdata($env{'course.'.$courseid.'.num'},
11673: $env{'course.'.$courseid.'.domain'},
11674: 'course',
1.927 albertel 11675: ([$courselevelm,'map' ],
11676: [$courselevel, 'course']));
11677: if (defined($coursereply)) { return &get_reply($coursereply); }
1.593 albertel 11678: }
1.145 www 11679: # ------------------------------------------------------------------ Cascade up
1.218 albertel 11680: unless ($space eq '0') {
1.336 albertel 11681: my @parts=split(/_/,$space);
11682: my $id=pop(@parts);
11683: my $part=join('_',@parts);
11684: if ($part eq '') { $part='0'; }
1.927 albertel 11685: my @partgeneral=&EXT('resource.'.$part.'.'.$qualifierrest,
1.395 albertel 11686: $symbparm,$udom,$uname,$section,1);
1.938 raeburn 11687: if (defined($partgeneral[0])) { return &get_reply(\@partgeneral); }
1.218 albertel 11688: }
1.395 albertel 11689: if ($recurse) { return undef; }
11690: my $pack_def=&packages_tab_default($filename,$varname);
1.927 albertel 11691: if (defined($pack_def)) { return &get_reply([$pack_def,'resource']); }
1.48 www 11692: # ---------------------------------------------------- Any other user namespace
11693: } elsif ($realm eq 'environment') {
11694: # ----------------------------------------------------------------- environment
1.620 albertel 11695: if (($uname eq $env{'user.name'})&&($udom eq $env{'user.domain'})) {
11696: return $env{'environment.'.$spacequalifierrest};
1.219 albertel 11697: } else {
1.770 albertel 11698: if ($uname eq 'anonymous' && $udom eq '') {
11699: return '';
11700: }
1.219 albertel 11701: my %returnhash=&userenvironment($udom,$uname,
11702: $spacequalifierrest);
11703: return $returnhash{$spacequalifierrest};
11704: }
1.28 www 11705: } elsif ($realm eq 'system') {
1.48 www 11706: # ----------------------------------------------------------------- system.time
11707: if ($space eq 'time') {
11708: return time;
11709: }
1.696 albertel 11710: } elsif ($realm eq 'server') {
11711: # ----------------------------------------------------------------- system.time
11712: if ($space eq 'name') {
11713: return $ENV{'SERVER_NAME'};
11714: }
1.28 www 11715: }
1.48 www 11716: return '';
1.61 www 11717: }
11718:
1.927 albertel 11719: sub get_reply {
11720: my ($reply_value) = @_;
1.940 raeburn 11721: if (ref($reply_value) eq 'ARRAY') {
11722: if (wantarray) {
11723: return @$reply_value;
11724: }
11725: return $reply_value->[0];
11726: } else {
11727: return $reply_value;
1.927 albertel 11728: }
11729: }
11730:
1.691 raeburn 11731: sub check_group_parms {
11732: my ($courseid,$groups,$symbparm,$mapparm,$what) = @_;
11733: my @groupitems = ();
11734: my $resultitem;
1.927 albertel 11735: my @levels = ([$symbparm,'resource'],[$mapparm,'map'],[$what,'course']);
1.691 raeburn 11736: foreach my $group (@{$groups}) {
11737: foreach my $level (@levels) {
1.927 albertel 11738: my $item = $courseid.'.['.$group.'].'.$level->[0];
11739: push(@groupitems,[$item,$level->[1]]);
1.691 raeburn 11740: }
11741: }
11742: my $coursereply = &resdata($env{'course.'.$courseid.'.num'},
11743: $env{'course.'.$courseid.'.domain'},
11744: 'course',@groupitems);
11745: return $coursereply;
11746: }
11747:
11748: sub sort_course_groups { # Sort groups based on defined rankings. Default is sort().
1.733 raeburn 11749: my ($courseid,@groups) = @_;
11750: @groups = sort(@groups);
1.691 raeburn 11751: return @groups;
11752: }
11753:
1.395 albertel 11754: sub packages_tab_default {
11755: my ($uri,$varname)=@_;
11756: my (undef,$part,$name)=split(/\./,$varname);
1.738 albertel 11757:
11758: my (@extension,@specifics,$do_default);
11759: foreach my $package (split(/,/,&metadata($uri,'packages'))) {
1.395 albertel 11760: my ($pack_type,$pack_part)=split(/_/,$package,2);
1.738 albertel 11761: if ($pack_type eq 'default') {
11762: $do_default=1;
11763: } elsif ($pack_type eq 'extension') {
11764: push(@extension,[$package,$pack_type,$pack_part]);
1.885 albertel 11765: } elsif ($pack_part eq $part || $pack_type eq 'part') {
1.848 albertel 11766: # only look at packages defaults for packages that this id is
1.738 albertel 11767: push(@specifics,[$package,$pack_type,$pack_part]);
11768: }
11769: }
11770: # first look for a package that matches the requested part id
11771: foreach my $package (@specifics) {
11772: my (undef,$pack_type,$pack_part)=@{$package};
11773: next if ($pack_part ne $part);
11774: if (defined($packagetab{"$pack_type&$name&default"})) {
11775: return $packagetab{"$pack_type&$name&default"};
11776: }
11777: }
11778: # look for any possible matching non extension_ package
11779: foreach my $package (@specifics) {
11780: my (undef,$pack_type,$pack_part)=@{$package};
1.468 albertel 11781: if (defined($packagetab{"$pack_type&$name&default"})) {
11782: return $packagetab{"$pack_type&$name&default"};
11783: }
1.585 albertel 11784: if ($pack_type eq 'part') { $pack_part='0'; }
1.468 albertel 11785: if (defined($packagetab{$pack_type."_".$pack_part."&$name&default"})) {
11786: return $packagetab{$pack_type."_".$pack_part."&$name&default"};
1.395 albertel 11787: }
11788: }
1.738 albertel 11789: # look for any posible extension_ match
11790: foreach my $package (@extension) {
11791: my ($package,$pack_type)=@{$package};
11792: if (defined($packagetab{"$pack_type&$name&default"})) {
11793: return $packagetab{"$pack_type&$name&default"};
11794: }
11795: if (defined($packagetab{$package."&$name&default"})) {
11796: return $packagetab{$package."&$name&default"};
11797: }
11798: }
11799: # look for a global default setting
11800: if ($do_default && defined($packagetab{"default&$name&default"})) {
11801: return $packagetab{"default&$name&default"};
11802: }
1.395 albertel 11803: return undef;
11804: }
11805:
1.334 albertel 11806: sub add_prefix_and_part {
11807: my ($prefix,$part)=@_;
11808: my $keyroot;
11809: if (defined($prefix) && $prefix !~ /^__/) {
11810: # prefix that has a part already
11811: $keyroot=$prefix;
11812: } elsif (defined($prefix)) {
11813: # prefix that is missing a part
11814: if (defined($part)) { $keyroot='_'.$part.substr($prefix,1); }
11815: } else {
11816: # no prefix at all
11817: if (defined($part)) { $keyroot='_'.$part; }
11818: }
11819: return $keyroot;
11820: }
11821:
1.71 www 11822: # ---------------------------------------------------------------- Get metadata
11823:
1.599 albertel 11824: my %metaentry;
1.1070 www 11825: my %importedpartids;
1.1172.2.99 raeburn 11826: my %importedrespids;
1.71 www 11827: sub metadata {
1.176 www 11828: my ($uri,$what,$liburi,$prefix,$depthcount)=@_;
1.71 www 11829: $uri=&declutter($uri);
1.288 albertel 11830: # if it is a non metadata possible uri return quickly
1.529 albertel 11831: if (($uri eq '') ||
11832: (($uri =~ m|^/*adm/|) &&
1.1172.2.118. .1(raebu 11833:20): ($uri !~ m|^adm/includes|) && ($uri !~ m{/(smppg|bulletinboard|ext\.tool)$})) ||
1.1108 raeburn 11834: ($uri =~ m|/$|) || ($uri =~ m|/.meta$|) || ($uri =~ m{^/*uploaded/.+\.sequence$})) {
1.924 albertel 11835: return undef;
11836: }
1.1172.2.49 raeburn 11837: if (($uri =~ /^priv/ || $uri=~m{^home/httpd/html/priv})
1.924 albertel 11838: && &Apache::lonxml::get_state('target') =~ /^(|meta)$/) {
1.468 albertel 11839: return undef;
1.288 albertel 11840: }
1.73 www 11841: my $filename=$uri;
11842: $uri=~s/\.meta$//;
1.172 www 11843: #
11844: # Is the metadata already cached?
1.177 www 11845: # Look at timestamp of caching
1.172 www 11846: # Everything is cached by the main uri, libraries are never directly cached
11847: #
1.428 albertel 11848: if (!defined($liburi)) {
1.599 albertel 11849: my ($result,$cached)=&is_cached_new('meta',$uri);
1.428 albertel 11850: if (defined($cached)) { return $result->{':'.$what}; }
11851: }
11852: {
1.1069 www 11853: # Imported parts would go here
1.1172.2.99 raeburn 11854: my @origfiletagids=();
1.1069 www 11855: my $importedparts=0;
1.1172.2.99 raeburn 11856:
11857: # Imported responseids would go here
11858: my $importedresponses=0;
1.172 www 11859: #
11860: # Is this a recursive call for a library?
11861: #
1.599 albertel 11862: # if (! exists($metacache{$uri})) {
11863: # $metacache{$uri}={};
11864: # }
1.924 albertel 11865: my $cachetime = 60*60;
1.171 www 11866: if ($liburi) {
11867: $liburi=&declutter($liburi);
11868: $filename=$liburi;
1.401 bowersj2 11869: } else {
1.599 albertel 11870: &devalidate_cache_new('meta',$uri);
11871: undef(%metaentry);
1.401 bowersj2 11872: }
1.140 www 11873: my %metathesekeys=();
1.73 www 11874: unless ($filename=~/\.meta$/) { $filename.='.meta'; }
1.489 albertel 11875: my $metastring;
1.1140 www 11876: if ($uri =~ /^priv/ || $uri=~/home\/httpd\/html\/priv/) {
1.929 albertel 11877: my $which = &hreflocation('','/'.($liburi || $uri));
1.924 albertel 11878: $metastring =
1.929 albertel 11879: &Apache::lonnet::ssi_body($which,
1.924 albertel 11880: ('grade_target' => 'meta'));
11881: $cachetime = 1; # only want this cached in the child not long term
1.1108 raeburn 11882: } elsif (($uri !~ m -^(editupload)/-) &&
11883: ($uri !~ m{^/*uploaded/$match_domain/$match_courseid/docs/})) {
1.543 albertel 11884: my $file=&filelocation('',&clutter($filename));
1.599 albertel 11885: #push(@{$metaentry{$uri.'.file'}},$file);
1.543 albertel 11886: $metastring=&getfile($file);
1.489 albertel 11887: }
1.208 albertel 11888: my $parser=HTML::LCParser->new(\$metastring);
1.71 www 11889: my $token;
1.140 www 11890: undef %metathesekeys;
1.71 www 11891: while ($token=$parser->get_token) {
1.339 albertel 11892: if ($token->[0] eq 'S') {
11893: if (defined($token->[2]->{'package'})) {
1.172 www 11894: #
11895: # This is a package - get package info
11896: #
1.339 albertel 11897: my $package=$token->[2]->{'package'};
11898: my $keyroot=&add_prefix_and_part($prefix,$token->[2]->{'part'});
11899: if (defined($token->[2]->{'id'})) {
11900: $keyroot.='_'.$token->[2]->{'id'};
11901: }
1.599 albertel 11902: if ($metaentry{':packages'}) {
11903: $metaentry{':packages'}.=','.$package.$keyroot;
1.339 albertel 11904: } else {
1.599 albertel 11905: $metaentry{':packages'}=$package.$keyroot;
1.339 albertel 11906: }
1.736 albertel 11907: foreach my $pack_entry (keys(%packagetab)) {
1.432 albertel 11908: my $part=$keyroot;
11909: $part=~s/^\_//;
1.736 albertel 11910: if ($pack_entry=~/^\Q$package\E\&/ ||
11911: $pack_entry=~/^\Q$package\E_0\&/) {
11912: my ($pack,$name,$subp)=split(/\&/,$pack_entry);
1.395 albertel 11913: # ignore package.tab specified default values
11914: # here &package_tab_default() will fetch those
11915: if ($subp eq 'default') { next; }
1.736 albertel 11916: my $value=$packagetab{$pack_entry};
1.432 albertel 11917: my $unikey;
11918: if ($pack =~ /_0$/) {
11919: $unikey='parameter_0_'.$name;
11920: $part=0;
11921: } else {
11922: $unikey='parameter'.$keyroot.'_'.$name;
11923: }
1.339 albertel 11924: if ($subp eq 'display') {
11925: $value.=' [Part: '.$part.']';
11926: }
1.599 albertel 11927: $metaentry{':'.$unikey.'.part'}=$part;
1.395 albertel 11928: $metathesekeys{$unikey}=1;
1.599 albertel 11929: unless (defined($metaentry{':'.$unikey.'.'.$subp})) {
11930: $metaentry{':'.$unikey.'.'.$subp}=$value;
1.339 albertel 11931: }
1.599 albertel 11932: if (defined($metaentry{':'.$unikey.'.default'})) {
11933: $metaentry{':'.$unikey}=
11934: $metaentry{':'.$unikey.'.default'};
1.356 albertel 11935: }
1.339 albertel 11936: }
11937: }
11938: } else {
1.172 www 11939: #
11940: # This is not a package - some other kind of start tag
1.339 albertel 11941: #
11942: my $entry=$token->[1];
1.1068 www 11943: my $unikey='';
1.175 www 11944:
1.339 albertel 11945: if ($entry eq 'import') {
1.175 www 11946: #
11947: # Importing a library here
1.339 albertel 11948: #
1.1067 www 11949: my $location=$parser->get_text('/import');
11950: my $dir=$filename;
11951: $dir=~s|[^/]*$||;
11952: $location=&filelocation($dir,$location);
1.1172.2.99 raeburn 11953:
11954: my $importid=$token->[2]->{'id'};
1.1068 www 11955: my $importmode=$token->[2]->{'importmode'};
1.1172.2.99 raeburn 11956: #
11957: # Check metadata for imported file to
11958: # see if it contained response items
11959: #
11960: my %currmetaentry = %metaentry;
11961: my $libresponseorder = &metadata($location,'responseorder');
11962: my $origfile;
11963: if ($libresponseorder ne '') {
11964: if ($#origfiletagids<0) {
11965: undef(%importedrespids);
11966: undef(%importedpartids);
11967: }
11968: @{$importedrespids{$importid}} = split(/\s*,\s*/,$libresponseorder);
11969: if (@{$importedrespids{$importid}} > 0) {
11970: $importedresponses = 1;
11971: # We need to get the original file and the imported file to get the response order correct
11972: # Load and inspect original file
11973: if ($#origfiletagids<0) {
11974: my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri);
11975: $origfile=&getfile($origfilelocation);
11976: @origfiletagids=($origfile=~/<((?:\w+)response|import|part)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
11977: }
11978: }
11979: }
11980: # Do not overwrite contents of %metaentry hash for resource itself with
11981: # hash populated for imported library file
11982: %metaentry = %currmetaentry;
11983: undef(%currmetaentry);
1.1068 www 11984: if ($importmode eq 'problem') {
1.1069 www 11985: # Import as problem/response
1.1068 www 11986: $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'});
11987: } elsif ($importmode eq 'part') {
11988: # Import as part(s)
1.1069 www 11989: $importedparts=1;
11990: # We need to get the original file and the imported file to get the part order correct
11991: # Good news: we do not need to worry about nested libraries, since parts cannot be nested
1.1172.2.99 raeburn 11992: # Load and inspect original file if we didn't do that already
11993: if ($#origfiletagids<0) {
11994: undef(%importedrespids);
11995: undef(%importedpartids);
11996: if ($origfile eq '') {
11997: my $origfilelocation=$perlvar{'lonDocRoot'}.&clutter($uri);
11998: $origfile=&getfile($origfilelocation);
11999: @origfiletagids=($origfile=~/<(part|import)[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
12000: }
1.1070 www 12001: }
12002:
1.1069 www 12003: # Load and inspect imported file
12004: my $impfile=&getfile($location);
12005: my @impfilepartids=($impfile=~/<part[^>]*id\s*=\s*[\"\']([^\"\']+)[\"\'][^>]*>/gs);
12006: if ($#impfilepartids>=0) {
12007: # This problem had parts
1.1070 www 12008: $importedpartids{$token->[2]->{'id'}}=join(',',@impfilepartids);
1.1069 www 12009: } else {
12010: # Importing by turning a single problem into a problem part
12011: # It gets the import-tags ID as part-ID
12012: $unikey=&add_prefix_and_part($prefix,$token->[2]->{'id'});
1.1070 www 12013: $importedpartids{$token->[2]->{'id'}}=$token->[2]->{'id'};
1.1069 www 12014: }
1.1068 www 12015: } else {
12016: # Normal import
12017: $unikey=&add_prefix_and_part($prefix,$token->[2]->{'part'});
12018: if (defined($token->[2]->{'id'})) {
12019: $unikey.='_'.$token->[2]->{'id'};
12020: }
1.1067 www 12021: }
12022:
1.339 albertel 12023: if ($depthcount<20) {
1.736 albertel 12024: my $metadata =
12025: &metadata($uri,'keys', $location,$unikey,
12026: $depthcount+1);
12027: foreach my $meta (split(',',$metadata)) {
12028: $metaentry{':'.$meta}=$metaentry{':'.$meta};
12029: $metathesekeys{$meta}=1;
1.339 albertel 12030: }
1.1068 www 12031:
12032: }
1.1067 www 12033: } else {
12034: #
12035: # Not importing, some other kind of non-package, non-library start tag
12036: #
12037: $unikey=$entry.&add_prefix_and_part($prefix,$token->[2]->{'part'});
12038: if (defined($token->[2]->{'id'})) {
12039: $unikey.='_'.$token->[2]->{'id'};
12040: }
1.339 albertel 12041: if (defined($token->[2]->{'name'})) {
12042: $unikey.='_'.$token->[2]->{'name'};
12043: }
12044: $metathesekeys{$unikey}=1;
1.736 albertel 12045: foreach my $param (@{$token->[3]}) {
12046: $metaentry{':'.$unikey.'.'.$param} =
12047: $token->[2]->{$param};
1.339 albertel 12048: }
12049: my $internaltext=&HTML::Entities::decode($parser->get_text('/'.$entry));
1.599 albertel 12050: my $default=$metaentry{':'.$unikey.'.default'};
1.339 albertel 12051: if ( $internaltext =~ /^\s*$/ && $default !~ /^\s*$/) {
12052: # only ws inside the tag, and not in default, so use default
12053: # as value
1.599 albertel 12054: $metaentry{':'.$unikey}=$default;
1.908 albertel 12055: } elsif ( $internaltext =~ /\S/ ) {
12056: # something interesting inside the tag
12057: $metaentry{':'.$unikey}=$internaltext;
1.339 albertel 12058: } else {
1.908 albertel 12059: # no interesting values, don't set a default
1.339 albertel 12060: }
1.172 www 12061: # end of not-a-package not-a-library import
1.339 albertel 12062: }
1.172 www 12063: # end of not-a-package start tag
1.339 albertel 12064: }
1.172 www 12065: # the next is the end of "start tag"
1.339 albertel 12066: }
12067: }
1.483 albertel 12068: my ($extension) = ($uri =~ /\.(\w+)$/);
1.883 albertel 12069: $extension = lc($extension);
12070: if ($extension eq 'htm') { $extension='html'; }
12071:
1.737 albertel 12072: foreach my $key (keys(%packagetab)) {
1.483 albertel 12073: #no specific packages #how's our extension
12074: if ($key!~/^extension_\Q$extension\E&/) { next; }
1.488 albertel 12075: &metadata_create_package_def($uri,$key,'extension_'.$extension,
1.483 albertel 12076: \%metathesekeys);
12077: }
1.883 albertel 12078:
12079: if (!exists($metaentry{':packages'})
12080: || $packagetab{"import_defaults&extension_$extension"}) {
1.737 albertel 12081: foreach my $key (keys(%packagetab)) {
1.483 albertel 12082: #no specific packages well let's get default then
12083: if ($key!~/^default&/) { next; }
1.488 albertel 12084: &metadata_create_package_def($uri,$key,'default',
1.483 albertel 12085: \%metathesekeys);
12086: }
12087: }
1.338 www 12088: # are there custom rights to evaluate
1.599 albertel 12089: if ($metaentry{':copyright'} eq 'custom') {
1.339 albertel 12090:
1.338 www 12091: #
12092: # Importing a rights file here
1.339 albertel 12093: #
12094: unless ($depthcount) {
1.599 albertel 12095: my $location=$metaentry{':customdistributionfile'};
1.339 albertel 12096: my $dir=$filename;
12097: $dir=~s|[^/]*$||;
12098: $location=&filelocation($dir,$location);
1.736 albertel 12099: my $rights_metadata =
12100: &metadata($uri,'keys',$location,'_rights',
12101: $depthcount+1);
12102: foreach my $rights (split(',',$rights_metadata)) {
12103: #$metaentry{':'.$rights}=$metacache{$uri}->{':'.$rights};
12104: $metathesekeys{$rights}=1;
1.339 albertel 12105: }
12106: }
12107: }
1.737 albertel 12108: # uniqifiy package listing
12109: my %seen;
12110: my @uniq_packages =
12111: grep { ! $seen{$_} ++ } (split(',',$metaentry{':packages'}));
12112: $metaentry{':packages'} = join(',',@uniq_packages);
12113:
1.1172.2.99 raeburn 12114: if (($importedresponses) || ($importedparts)) {
12115: if ($importedparts) {
1.1070 www 12116: # We had imported parts and need to rebuild partorder
1.1172.2.99 raeburn 12117: $metaentry{':partorder'}='';
12118: $metathesekeys{'partorder'}=1;
12119: }
12120: if ($importedresponses) {
12121: # We had imported responses and need to rebuild responseorder
12122: $metaentry{':responseorder'}='';
12123: $metathesekeys{'responseorder'}=1;
12124: }
12125: for (my $index=0;$index<$#origfiletagids;$index+=2) {
12126: my $origid = $origfiletagids[$index+1];
12127: if ($origfiletagids[$index] eq 'part') {
12128: # Original part, part of the problem
12129: if ($importedparts) {
12130: $metaentry{':partorder'}.=','.$origid;
12131: }
12132: } elsif ($origfiletagids[$index] eq 'import') {
12133: if ($importedparts) {
12134: # We have imported parts at this position
12135: $metaentry{':partorder'}.=','.$importedpartids{$origid};
12136: }
12137: if ($importedresponses) {
12138: # We have imported responses at this position
12139: if (ref($importedrespids{$origid}) eq 'ARRAY') {
12140: $metaentry{':responseorder'}.=','.join(',',map { $origid.'_'.$_ } @{$importedrespids{$origid}});
12141: }
12142: }
12143: } else {
12144: # Original response item, part of the problem
12145: if ($importedresponses) {
12146: $metaentry{':responseorder'}.=','.$origid;
12147: }
12148: }
12149: }
12150: if ($importedparts) {
12151: $metaentry{':partorder'}=~s/^\,//;
12152: }
12153: if ($importedresponses) {
12154: $metaentry{':responseorder'}=~s/^\,//;
12155: }
1.1070 www 12156: }
12157:
1.737 albertel 12158: $metaentry{':keys'} = join(',',keys(%metathesekeys));
1.599 albertel 12159: &metadata_generate_part0(\%metathesekeys,\%metaentry,$uri);
1.1172.2.58 raeburn 12160: $metaentry{':allpossiblekeys'}=join(',',keys(%metathesekeys));
1.924 albertel 12161: &do_cache_new('meta',$uri,\%metaentry,$cachetime);
1.177 www 12162: # this is the end of "was not already recently cached
1.71 www 12163: }
1.599 albertel 12164: return $metaentry{':'.$what};
1.261 albertel 12165: }
12166:
1.488 albertel 12167: sub metadata_create_package_def {
1.483 albertel 12168: my ($uri,$key,$package,$metathesekeys)=@_;
12169: my ($pack,$name,$subp)=split(/\&/,$key);
12170: if ($subp eq 'default') { next; }
12171:
1.599 albertel 12172: if (defined($metaentry{':packages'})) {
12173: $metaentry{':packages'}.=','.$package;
1.483 albertel 12174: } else {
1.599 albertel 12175: $metaentry{':packages'}=$package;
1.483 albertel 12176: }
12177: my $value=$packagetab{$key};
12178: my $unikey;
12179: $unikey='parameter_0_'.$name;
1.599 albertel 12180: $metaentry{':'.$unikey.'.part'}=0;
1.483 albertel 12181: $$metathesekeys{$unikey}=1;
1.599 albertel 12182: unless (defined($metaentry{':'.$unikey.'.'.$subp})) {
12183: $metaentry{':'.$unikey.'.'.$subp}=$value;
1.483 albertel 12184: }
1.599 albertel 12185: if (defined($metaentry{':'.$unikey.'.default'})) {
12186: $metaentry{':'.$unikey}=
12187: $metaentry{':'.$unikey.'.default'};
1.483 albertel 12188: }
12189: }
12190:
1.261 albertel 12191: sub metadata_generate_part0 {
12192: my ($metadata,$metacache,$uri) = @_;
12193: my %allnames;
1.737 albertel 12194: foreach my $metakey (keys(%$metadata)) {
1.261 albertel 12195: if ($metakey=~/^parameter\_(.*)/) {
1.428 albertel 12196: my $part=$$metacache{':'.$metakey.'.part'};
12197: my $name=$$metacache{':'.$metakey.'.name'};
1.356 albertel 12198: if (! exists($$metadata{'parameter_0_'.$name.'.name'})) {
1.261 albertel 12199: $allnames{$name}=$part;
12200: }
12201: }
12202: }
12203: foreach my $name (keys(%allnames)) {
12204: $$metadata{"parameter_0_$name"}=1;
1.428 albertel 12205: my $key=":parameter_0_$name";
1.261 albertel 12206: $$metacache{"$key.part"}='0';
12207: $$metacache{"$key.name"}=$name;
1.428 albertel 12208: $$metacache{"$key.type"}=$$metacache{':parameter_'.
1.261 albertel 12209: $allnames{$name}.'_'.$name.
12210: '.type'};
1.428 albertel 12211: my $olddis=$$metacache{':parameter_'.$allnames{$name}.'_'.$name.
1.261 albertel 12212: '.display'};
1.644 www 12213: my $expr='[Part: '.$allnames{$name}.']';
1.479 albertel 12214: $olddis=~s/\Q$expr\E/\[Part: 0\]/;
1.261 albertel 12215: $$metacache{"$key.display"}=$olddis;
12216: }
1.71 www 12217: }
12218:
1.764 albertel 12219: # ------------------------------------------------------ Devalidate title cache
12220:
12221: sub devalidate_title_cache {
12222: my ($url)=@_;
12223: if (!$env{'request.course.id'}) { return; }
12224: my $symb=&symbread($url);
12225: if (!$symb) { return; }
12226: my $key=$env{'request.course.id'}."\0".$symb;
12227: &devalidate_cache_new('title',$key);
12228: }
12229:
1.1014 droeschl 12230: # ------------------------------------------------- Get the title of a course
12231:
12232: sub current_course_title {
12233: return $env{ 'course.' . $env{'request.course.id'} . '.description' };
12234: }
1.301 www 12235: # ------------------------------------------------- Get the title of a resource
12236:
12237: sub gettitle {
12238: my $urlsymb=shift;
12239: my $symb=&symbread($urlsymb);
1.534 albertel 12240: if ($symb) {
1.620 albertel 12241: my $key=$env{'request.course.id'}."\0".$symb;
1.599 albertel 12242: my ($result,$cached)=&is_cached_new('title',$key);
1.575 albertel 12243: if (defined($cached)) {
12244: return $result;
12245: }
1.534 albertel 12246: my ($map,$resid,$url)=&decode_symb($symb);
12247: my $title='';
1.907 albertel 12248: if (!$map && $resid == 0 && $url =~/default\.sequence$/) {
12249: $title = $env{'course.'.$env{'request.course.id'}.'.description'};
12250: } else {
12251: if (tie(my %bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
12252: &GDBM_READER(),0640)) {
12253: my $mapid=$bighash{'map_pc_'.&clutter($map)};
12254: $title=$bighash{'title_'.$mapid.'.'.$resid};
12255: untie(%bighash);
12256: }
1.534 albertel 12257: }
12258: $title=~s/\&colon\;/\:/gs;
12259: if ($title) {
1.1159 www 12260: # Remember both $symb and $title for dynamic metadata
12261: $accesshash{$symb.'___crstitle'}=$title;
1.1161 www 12262: $accesshash{&declutter($map).'___'.&declutter($url).'___usage'}=time;
1.1159 www 12263: # Cache this title and then return it
1.599 albertel 12264: return &do_cache_new('title',$key,$title,600);
1.534 albertel 12265: }
12266: $urlsymb=$url;
12267: }
12268: my $title=&metadata($urlsymb,'title');
12269: if (!$title) { $title=(split('/',$urlsymb))[-1]; }
12270: return $title;
1.301 www 12271: }
1.613 albertel 12272:
1.614 albertel 12273: sub get_slot {
12274: my ($which,$cnum,$cdom)=@_;
12275: if (!$cnum || !$cdom) {
1.790 albertel 12276: (undef,my $courseid)=&whichuser();
1.620 albertel 12277: $cdom=$env{'course.'.$courseid.'.domain'};
12278: $cnum=$env{'course.'.$courseid.'.num'};
1.614 albertel 12279: }
1.703 albertel 12280: my $key=join("\0",'slots',$cdom,$cnum,$which);
12281: my %slotinfo;
12282: if (exists($remembered{$key})) {
12283: $slotinfo{$which} = $remembered{$key};
12284: } else {
12285: %slotinfo=&get('slots',[$which],$cdom,$cnum);
12286: &Apache::lonhomework::showhash(%slotinfo);
12287: my ($tmp)=keys(%slotinfo);
12288: if ($tmp=~/^error:/) { return (); }
12289: $remembered{$key} = $slotinfo{$which};
12290: }
1.616 albertel 12291: if (ref($slotinfo{$which}) eq 'HASH') {
12292: return %{$slotinfo{$which}};
12293: }
12294: return $slotinfo{$which};
1.614 albertel 12295: }
1.1150 raeburn 12296:
12297: sub get_reservable_slots {
12298: my ($cnum,$cdom,$uname,$udom) = @_;
12299: my $now = time;
12300: my $reservable_info;
12301: my $key=join("\0",'reservableslots',$cdom,$cnum,$uname,$udom);
12302: if (exists($remembered{$key})) {
12303: $reservable_info = $remembered{$key};
12304: } else {
12305: my %resv;
12306: ($resv{'now_order'},$resv{'now'},$resv{'future_order'},$resv{'future'}) =
12307: &Apache::loncommon::get_future_slots($cnum,$cdom,$now);
12308: $reservable_info = \%resv;
12309: $remembered{$key} = $reservable_info;
12310: }
12311: return $reservable_info;
12312: }
12313:
12314: sub get_course_slots {
12315: my ($cnum,$cdom) = @_;
12316: my $hashid=$cnum.':'.$cdom;
12317: my ($result,$cached) = &Apache::lonnet::is_cached_new('allslots',$hashid);
12318: if (defined($cached)) {
12319: if (ref($result) eq 'HASH') {
12320: return %{$result};
12321: }
12322: } else {
12323: my %slots=&Apache::lonnet::dump('slots',$cdom,$cnum);
12324: my ($tmp) = keys(%slots);
12325: if ($tmp !~ /^(con_lost|error|no_such_host)/i) {
1.1172.2.23 raeburn 12326: &do_cache_new('allslots',$hashid,\%slots,600);
1.1150 raeburn 12327: return %slots;
12328: }
12329: }
12330: return;
12331: }
12332:
12333: sub devalidate_slots_cache {
12334: my ($cnum,$cdom)=@_;
12335: my $hashid=$cnum.':'.$cdom;
12336: &devalidate_cache_new('allslots',$hashid);
12337: }
12338:
1.1172.2.8 raeburn 12339: sub get_coursechange {
12340: my ($cdom,$cnum) = @_;
12341: if ($cdom eq '' || $cnum eq '') {
12342: return unless ($env{'request.course.id'});
12343: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
12344: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
12345: }
12346: my $hashid=$cdom.'_'.$cnum;
12347: my ($change,$cached)=&is_cached_new('crschange',$hashid);
12348: if ((defined($cached)) && ($change ne '')) {
12349: return $change;
12350: } else {
12351: my %crshash;
12352: %crshash = &get('environment',['internal.contentchange'],$cdom,$cnum);
12353: if ($crshash{'internal.contentchange'} eq '') {
12354: $change = $env{'course.'.$cdom.'_'.$cnum.'.internal.created'};
12355: if ($change eq '') {
12356: %crshash = &get('environment',['internal.created'],$cdom,$cnum);
12357: $change = $crshash{'internal.created'};
12358: }
12359: } else {
12360: $change = $crshash{'internal.contentchange'};
12361: }
12362: my $cachetime = 600;
12363: &do_cache_new('crschange',$hashid,$change,$cachetime);
12364: }
12365: return $change;
12366: }
12367:
12368: sub devalidate_coursechange_cache {
12369: my ($cnum,$cdom)=@_;
12370: my $hashid=$cnum.':'.$cdom;
12371: &devalidate_cache_new('crschange',$hashid);
12372: }
12373:
1.31 www 12374: # ------------------------------------------------- Update symbolic store links
12375:
12376: sub symblist {
12377: my ($mapname,%newhash)=@_;
1.438 www 12378: $mapname=&deversion(&declutter($mapname));
1.31 www 12379: my %hash;
1.620 albertel 12380: if (($env{'request.course.fn'}) && (%newhash)) {
12381: if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
1.256 albertel 12382: &GDBM_WRCREAT(),0640)) {
1.1000 raeburn 12383: foreach my $url (keys(%newhash)) {
1.711 albertel 12384: next if ($url eq 'last_known'
12385: && $env{'form.no_update_last_known'});
12386: $hash{declutter($url)}=&encode_symb($mapname,
12387: $newhash{$url}->[1],
12388: $newhash{$url}->[0]);
1.191 harris41 12389: }
1.31 www 12390: if (untie(%hash)) {
12391: return 'ok';
12392: }
12393: }
12394: }
12395: return 'error';
1.212 www 12396: }
12397:
12398: # --------------------------------------------------------------- Verify a symb
12399:
12400: sub symbverify {
1.1172.2.11 raeburn 12401: my ($symb,$thisurl,$encstate)=@_;
1.510 www 12402: my $thisfn=$thisurl;
1.439 www 12403: $thisfn=&declutter($thisfn);
1.215 www 12404: # direct jump to resource in page or to a sequence - will construct own symbs
12405: if ($thisfn=~/\.(page|sequence)$/) { return 1; }
12406: # check URL part
1.409 www 12407: my ($map,$resid,$url)=&decode_symb($symb);
1.439 www 12408:
1.431 www 12409: unless ($url eq $thisfn) { return 0; }
1.213 www 12410:
1.216 www 12411: $symb=&symbclean($symb);
1.510 www 12412: $thisurl=&deversion($thisurl);
1.439 www 12413: $thisfn=&deversion($thisfn);
1.213 www 12414:
12415: my %bighash;
12416: my $okay=0;
1.431 www 12417:
1.620 albertel 12418: if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
1.256 albertel 12419: &GDBM_READER(),0640)) {
1.1032 raeburn 12420: if (($thisurl =~ m{^/adm/wrapper/ext/}) || ($thisurl =~ m{^ext/})) {
12421: $thisurl =~ s/\?.+$//;
1.1172.2.13 raeburn 12422: if ($map =~ m{^uploaded/.+\.page$}) {
12423: $thisurl =~ s{^(/adm/wrapper|)/ext/}{http://};
12424: $thisurl =~ s{^\Qhttp://https://\E}{https://};
12425: }
12426: }
12427: my $ids;
1.1172.2.118. .5(raebu 12428:20): if ($map =~ m{^uploaded/.+\.page$}) {
12429:20): $ids=$bighash{'ids_'.&clutter_with_no_wrapper($thisurl)};
1.1172.2.13 raeburn 12430: } else {
12431: $ids=$bighash{'ids_'.&clutter($thisurl)};
1.1032 raeburn 12432: }
1.1102 raeburn 12433: unless ($ids) {
1.1172.2.13 raeburn 12434: my $idkey = 'ids_'.($thisurl =~ m{^/}? '' : '/').$thisurl;
1.1102 raeburn 12435: $ids=$bighash{$idkey};
1.216 www 12436: }
12437: if ($ids) {
12438: # ------------------------------------------------------------------- Has ID(s)
1.1172.2.13 raeburn 12439: if ($thisfn =~ m{^/adm/wrapper/ext/}) {
12440: $symb =~ s/\?.+$//;
12441: }
1.800 albertel 12442: foreach my $id (split(/\,/,$ids)) {
12443: my ($mapid,$resid)=split(/\./,$id);
1.216 www 12444: if (
12445: &symbclean(&declutter($bighash{'map_id_'.$mapid}).'___'.$resid.'___'.$thisfn)
1.1172.2.13 raeburn 12446: eq $symb) {
1.1172.2.11 raeburn 12447: if (ref($encstate)) {
12448: $$encstate = $bighash{'encrypted_'.$id};
12449: }
1.1172.2.13 raeburn 12450: if (($env{'request.role.adv'}) ||
12451: ($bighash{'encrypted_'.$id} eq $env{'request.enc'}) ||
1.1101 raeburn 12452: ($thisurl eq '/adm/navmaps')) {
1.1172.2.13 raeburn 12453: $okay=1;
12454: last;
12455: }
12456: }
12457: }
1.216 www 12458: }
1.213 www 12459: untie(%bighash);
12460: }
12461: return $okay;
1.31 www 12462: }
12463:
1.210 www 12464: # --------------------------------------------------------------- Clean-up symb
12465:
12466: sub symbclean {
12467: my $symb=shift;
1.568 albertel 12468: if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); }
1.210 www 12469: # remove version from map
12470: $symb=~s/\.(\d+)\.(\w+)\_\_\_/\.$2\_\_\_/;
1.215 www 12471:
1.210 www 12472: # remove version from URL
12473: $symb=~s/\.(\d+)\.(\w+)$/\.$2/;
1.213 www 12474:
1.507 www 12475: # remove wrapper
12476:
1.510 www 12477: $symb=~s/(\_\_\_\d+\_\_\_)adm\/wrapper\/(res\/)*/$1/;
1.694 albertel 12478: $symb=~s/(\_\_\_\d+\_\_\_)adm\/coursedocs\/showdoc\/(res\/)*/$1/;
1.210 www 12479: return $symb;
1.409 www 12480: }
12481:
12482: # ---------------------------------------------- Split symb to find map and url
1.429 albertel 12483:
12484: sub encode_symb {
12485: my ($map,$resid,$url)=@_;
12486: return &symbclean(&declutter($map).'___'.$resid.'___'.&declutter($url));
12487: }
1.409 www 12488:
12489: sub decode_symb {
1.568 albertel 12490: my $symb=shift;
12491: if ($symb=~m|^/enc/|) { $symb=&Apache::lonenc::unencrypted($symb); }
12492: my ($map,$resid,$url)=split(/___/,$symb);
1.413 www 12493: return (&fixversion($map),$resid,&fixversion($url));
12494: }
12495:
12496: sub fixversion {
12497: my $fn=shift;
1.609 banghart 12498: if ($fn=~/^(adm|uploaded|editupload|public)/) { return $fn; }
1.435 www 12499: my %bighash;
12500: my $uri=&clutter($fn);
1.620 albertel 12501: my $key=$env{'request.course.id'}.'_'.$uri;
1.440 www 12502: # is this cached?
1.599 albertel 12503: my ($result,$cached)=&is_cached_new('courseresversion',$key);
1.440 www 12504: if (defined($cached)) { return $result; }
12505: # unfortunately not cached, or expired
1.620 albertel 12506: if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
1.440 www 12507: &GDBM_READER(),0640)) {
12508: if ($bighash{'version_'.$uri}) {
12509: my $version=$bighash{'version_'.$uri};
1.444 www 12510: unless (($version eq 'mostrecent') ||
12511: ($version==&getversion($uri))) {
1.440 www 12512: $uri=~s/\.(\w+)$/\.$version\.$1/;
12513: }
12514: }
12515: untie %bighash;
1.413 www 12516: }
1.599 albertel 12517: return &do_cache_new('courseresversion',$key,&declutter($uri),600);
1.438 www 12518: }
12519:
12520: sub deversion {
12521: my $url=shift;
12522: $url=~s/\.\d+\.(\w+)$/\.$1/;
12523: return $url;
1.210 www 12524: }
12525:
1.31 www 12526: # ------------------------------------------------------ Return symb list entry
12527:
12528: sub symbread {
1.1172.2.118. .8(raebu 12529:20): my ($thisfn,$donotrecurse,$ignorecachednull,$checkforblock,$possibles,
12530:20): $nocache,$noenccheck)=@_;
1.1172.2.54 raeburn 12531: my $cache_str='request.symbread.cached.'.$thisfn;
1.1172.2.118. .8(raebu 12532:20): if (defined($env{$cache_str}) && !$nocache) {
12533:20): unless (ref($possibles) eq 'HASH') {
12534:20): if ($ignorecachednull) {
12535:20): return $env{$cache_str} unless ($env{$cache_str} eq '');
12536:20): } else {
12537:20): return $env{$cache_str};
12538:20): }
1.1172.2.66 raeburn 12539: }
12540: }
1.242 www 12541: # no filename provided? try from environment
1.1172.2.54 raeburn 12542: unless ($thisfn) {
1.620 albertel 12543: if ($env{'request.symb'}) {
1.1172.2.118. .8(raebu 12544:20): if ($nocache) {
12545:20): return &symbclean($env{'request.symb'});
12546:20): } else {
12547:20): return $env{$cache_str}=&symbclean($env{'request.symb'});
12548:20): }
1.1172.2.13 raeburn 12549: }
12550: $thisfn=$env{'request.filename'};
1.44 www 12551: }
1.569 albertel 12552: if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); }
1.242 www 12553: # is that filename actually a symb? Verify, clean, and return
12554: if ($thisfn=~/\_\_\_\d+\_\_\_(.*)$/) {
1.539 albertel 12555: if (&symbverify($thisfn,$1)) {
1.1172.2.118. .8(raebu 12556:20): if ($nocache) {
12557:20): return &symbclean($thisfn);
12558:20): } else {
12559:20): return $env{$cache_str}=&symbclean($thisfn);
12560:20): }
1.539 albertel 12561: }
1.242 www 12562: }
1.44 www 12563: $thisfn=declutter($thisfn);
1.31 www 12564: my %hash;
1.37 www 12565: my %bighash;
12566: my $syval='';
1.620 albertel 12567: if (($env{'request.course.fn'}) && ($thisfn)) {
1.481 raeburn 12568: my $targetfn = $thisfn;
1.609 banghart 12569: if ( ($thisfn =~ m/^(uploaded|editupload)\//) && ($thisfn !~ m/\.(page|sequence)$/) ) {
1.481 raeburn 12570: $targetfn = 'adm/wrapper/'.$thisfn;
12571: }
1.687 albertel 12572: if ($targetfn =~ m|^adm/wrapper/(ext/.*)|) {
12573: $targetfn=$1;
12574: }
1.1172.2.118. .8(raebu 12575:20): unless ($nocache) {
12576:20): if (tie(%hash,'GDBM_File',$env{'request.course.fn'}.'_symb.db',
12577:20): &GDBM_READER(),0640)) {
12578:20): $syval=$hash{$targetfn};
12579:20): untie(%hash);
12580:20): }
12581:20): if ($syval) {
12582:20): my @blockers = &has_comm_blocking('bre',$syval,$thisfn,$nocache,$noenccheck);
12583:20): if (@blockers) {
12584:20): $syval='';
12585:20): }
12586:20): }
1.37 www 12587: }
12588: # ---------------------------------------------------------- There was an entry
12589: if ($syval) {
1.601 albertel 12590: #unless ($syval=~/\_\d+$/) {
1.620 albertel 12591: #unless ($env{'form.request.prefix'}=~/\.(\d+)\_$/) {
1.949 raeburn 12592: #&appenv({'request.ambiguous' => $thisfn});
1.620 albertel 12593: #return $env{$cache_str}='';
1.601 albertel 12594: #}
12595: #$syval.=$1;
12596: #}
1.37 www 12597: } else {
12598: # ------------------------------------------------------- Was not in symb table
1.620 albertel 12599: if (tie(%bighash,'GDBM_File',$env{'request.course.fn'}.'.db',
1.256 albertel 12600: &GDBM_READER(),0640)) {
1.37 www 12601: # ---------------------------------------------- Get ID(s) for current resource
1.280 www 12602: my $ids=$bighash{'ids_'.&clutter($thisfn)};
1.65 www 12603: unless ($ids) {
12604: $ids=$bighash{'ids_/'.$thisfn};
1.242 www 12605: }
12606: unless ($ids) {
12607: # alias?
12608: $ids=$bighash{'mapalias_'.$thisfn};
1.65 www 12609: }
1.37 www 12610: if ($ids) {
12611: # ------------------------------------------------------------------- Has ID(s)
12612: my @possibilities=split(/\,/,$ids);
1.39 www 12613: if ($#possibilities==0) {
12614: # ----------------------------------------------- There is only one possibility
1.37 www 12615: my ($mapid,$resid)=split(/\./,$ids);
1.626 albertel 12616: $syval=&encode_symb($bighash{'map_id_'.$mapid},
12617: $resid,$thisfn);
1.1172.2.66 raeburn 12618: if (ref($possibles) eq 'HASH') {
1.1172.2.118. .8(raebu 12619:20): unless ($bighash{'randomout_'.$ids} || $env{'request.role.adv'}) {
12620:20): $possibles->{$syval} = 1;
12621:20): }
1.1172.2.66 raeburn 12622: }
12623: if ($checkforblock) {
1.1172.2.118. .8(raebu 12624:20): unless ($bighash{'randomout_'.$ids} || $env{'request.role.adv'}) {
12625:20): my @blockers = &has_comm_blocking('bre',$syval,$bighash{'src_'.$ids},'',$noenccheck);
12626:20): if (@blockers) {
12627:20): $syval = '';
12628:20): untie(%bighash);
12629:20): return '' if ($nocache);
12630:20): return $env{$cache_str}='';
12631:20): }
1.1172.2.66 raeburn 12632: }
12633: }
12634: } elsif ((!$donotrecurse) || ($checkforblock) || (ref($possibles) eq 'HASH')) {
1.39 www 12635: # ------------------------------------------ There is more than one possibility
12636: my $realpossible=0;
1.800 albertel 12637: foreach my $id (@possibilities) {
12638: my $file=$bighash{'src_'.$id};
1.1172.2.66 raeburn 12639: my $canaccess;
12640: if (($donotrecurse) || ($checkforblock) || (ref($possibles) eq 'HASH')) {
12641: $canaccess = 1;
12642: } else {
12643: $canaccess = &allowed('bre',$file);
12644: }
12645: if ($canaccess) {
12646: my ($mapid,$resid)=split(/\./,$id);
12647: if ($bighash{'map_type_'.$mapid} ne 'page') {
12648: my $poss_syval=&encode_symb($bighash{'map_id_'.$mapid},
12649: $resid,$thisfn);
1.1172.2.118. .8(raebu 12650:20): next if ($bighash{'randomout_'.$id} && !$env{'request.role.adv'});
12651:20): next unless (($noenccheck) || ($bighash{'encrypted_'.$id} eq $env{'request.enc'}));
1.1172.2.66 raeburn 12652: if ($checkforblock) {
1.1172.2.118. .8(raebu 12653:20): my @blockers = &has_comm_blocking('bre',$poss_syval,$file,'',$noenccheck);
12654:20): if (@blockers > 0) {
12655:20): $syval = '';
12656:20): } else {
1.1172.2.66 raeburn 12657: $syval = $poss_syval;
12658: $realpossible++;
12659: }
12660: } else {
12661: $syval = $poss_syval;
12662: $realpossible++;
12663: }
1.1172.2.118. .8(raebu 12664:20): if ($syval) {
12665:20): if (ref($possibles) eq 'HASH') {
12666:20): $possibles->{$syval} = 1;
12667:20): }
12668:20): }
1.1172.2.66 raeburn 12669: }
1.39 www 12670: }
1.191 harris41 12671: }
1.39 www 12672: if ($realpossible!=1) { $syval=''; }
1.249 www 12673: } else {
12674: $syval='';
1.37 www 12675: }
12676: }
1.1172.2.66 raeburn 12677: untie(%bighash);
1.481 raeburn 12678: }
1.31 www 12679: }
1.62 www 12680: if ($syval) {
1.1172.2.118. .8(raebu 12681:20): if ($nocache) {
12682:20): return $syval;
12683:20): } else {
12684:20): return $env{$cache_str}=$syval;
12685:20): }
1.62 www 12686: }
1.31 www 12687: }
1.949 raeburn 12688: &appenv({'request.ambiguous' => $thisfn});
1.1172.2.118. .8(raebu 12689:20): return '' if ($nocache);
1.620 albertel 12690: return $env{$cache_str}='';
1.31 www 12691: }
12692:
12693: # ---------------------------------------------------------- Return random seed
12694:
1.32 www 12695: sub numval {
12696: my $txt=shift;
12697: $txt=~tr/A-J/0-9/;
12698: $txt=~tr/a-j/0-9/;
12699: $txt=~tr/K-T/0-9/;
12700: $txt=~tr/k-t/0-9/;
12701: $txt=~tr/U-Z/0-5/;
12702: $txt=~tr/u-z/0-5/;
12703: $txt=~s/\D//g;
1.564 albertel 12704: if ($_64bit) { if ($txt > 2**32) { return -1; } }
1.32 www 12705: return int($txt);
1.368 albertel 12706: }
12707:
1.484 albertel 12708: sub numval2 {
12709: my $txt=shift;
12710: $txt=~tr/A-J/0-9/;
12711: $txt=~tr/a-j/0-9/;
12712: $txt=~tr/K-T/0-9/;
12713: $txt=~tr/k-t/0-9/;
12714: $txt=~tr/U-Z/0-5/;
12715: $txt=~tr/u-z/0-5/;
12716: $txt=~s/\D//g;
12717: my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt);
12718: my $total;
12719: foreach my $val (@txts) { $total+=$val; }
1.564 albertel 12720: if ($_64bit) { if ($total > 2**32) { return -1; } }
1.484 albertel 12721: return int($total);
12722: }
12723:
1.575 albertel 12724: sub numval3 {
12725: use integer;
12726: my $txt=shift;
12727: $txt=~tr/A-J/0-9/;
12728: $txt=~tr/a-j/0-9/;
12729: $txt=~tr/K-T/0-9/;
12730: $txt=~tr/k-t/0-9/;
12731: $txt=~tr/U-Z/0-5/;
12732: $txt=~tr/u-z/0-5/;
12733: $txt=~s/\D//g;
12734: my @txts=split(/(\d\d\d\d\d\d\d\d\d)/,$txt);
12735: my $total;
12736: foreach my $val (@txts) { $total+=$val; }
12737: if ($_64bit) { $total=(($total<<32)>>32); }
12738: return $total;
12739: }
12740:
1.675 albertel 12741: sub digest {
12742: my ($data)=@_;
12743: my $digest=&Digest::MD5::md5($data);
12744: my ($a,$b,$c,$d)=unpack("iiii",$digest);
12745: my ($e,$f);
12746: {
12747: use integer;
12748: $e=($a+$b);
12749: $f=($c+$d);
12750: if ($_64bit) {
12751: $e=(($e<<32)>>32);
12752: $f=(($f<<32)>>32);
12753: }
12754: }
12755: if (wantarray) {
12756: return ($e,$f);
12757: } else {
12758: my $g;
12759: {
12760: use integer;
12761: $g=($e+$f);
12762: if ($_64bit) {
12763: $g=(($g<<32)>>32);
12764: }
12765: }
12766: return $g;
12767: }
12768: }
12769:
1.368 albertel 12770: sub latest_rnd_algorithm_id {
1.675 albertel 12771: return '64bit5';
1.366 albertel 12772: }
1.32 www 12773:
1.503 albertel 12774: sub get_rand_alg {
12775: my ($courseid)=@_;
1.790 albertel 12776: if (!$courseid) { $courseid=(&whichuser())[1]; }
1.503 albertel 12777: if ($courseid) {
1.620 albertel 12778: return $env{"course.$courseid.rndseed"};
1.503 albertel 12779: }
12780: return &latest_rnd_algorithm_id();
12781: }
12782:
1.562 albertel 12783: sub validCODE {
12784: my ($CODE)=@_;
12785: if (defined($CODE) && $CODE ne '' && $CODE =~ /^\w+$/) { return 1; }
12786: return 0;
12787: }
12788:
1.491 albertel 12789: sub getCODE {
1.620 albertel 12790: if (&validCODE($env{'form.CODE'})) { return $env{'form.CODE'}; }
1.618 albertel 12791: if ( (defined($Apache::lonhomework::parsing_a_problem) ||
12792: defined($Apache::lonhomework::parsing_a_task) ) &&
12793: &validCODE($Apache::lonhomework::history{'resource.CODE'})) {
1.491 albertel 12794: return $Apache::lonhomework::history{'resource.CODE'};
12795: }
12796: return undef;
12797: }
1.1133 foxr 12798: #
12799: # Determines the random seed for a specific context:
12800: #
12801: # parameters:
12802: # symb - in course context the symb for the seed.
12803: # course_id - The course id of the form domain_coursenum.
12804: # domain - Domain for the user.
12805: # course - Course for the user.
12806: # cenv - environment of the course.
12807: #
12808: # NOTE:
12809: # All parameters are picked out of the environment if missing
12810: # or not defined.
12811: # If a symb cannot be determined the current time is used instead.
12812: #
12813: # For a given well defined symb, courside, domain, username,
12814: # and course environment, the seed is reproducible.
12815: #
1.31 www 12816: sub rndseed {
1.1133 foxr 12817: my ($symb,$courseid,$domain,$username, $cenv)=@_;
1.790 albertel 12818: my ($wsymb,$wcourseid,$wdomain,$wusername)=&whichuser();
1.896 albertel 12819: if (!defined($symb)) {
1.366 albertel 12820: unless ($symb=$wsymb) { return time; }
12821: }
1.1146 foxr 12822: if (!defined $courseid) {
12823: $courseid=$wcourseid;
12824: }
12825: if (!defined $domain) { $domain=$wdomain; }
12826: if (!defined $username) { $username=$wusername }
1.1133 foxr 12827:
12828: my $which;
12829: if (defined($cenv->{'rndseed'})) {
12830: $which = $cenv->{'rndseed'};
12831: } else {
12832: $which =&get_rand_alg($courseid);
12833: }
1.491 albertel 12834: if (defined(&getCODE())) {
1.675 albertel 12835: if ($which eq '64bit5') {
12836: return &rndseed_CODE_64bit5($symb,$courseid,$domain,$username);
12837: } elsif ($which eq '64bit4') {
1.575 albertel 12838: return &rndseed_CODE_64bit4($symb,$courseid,$domain,$username);
12839: } else {
12840: return &rndseed_CODE_64bit($symb,$courseid,$domain,$username);
12841: }
1.675 albertel 12842: } elsif ($which eq '64bit5') {
12843: return &rndseed_64bit5($symb,$courseid,$domain,$username);
1.575 albertel 12844: } elsif ($which eq '64bit4') {
12845: return &rndseed_64bit4($symb,$courseid,$domain,$username);
1.501 albertel 12846: } elsif ($which eq '64bit3') {
12847: return &rndseed_64bit3($symb,$courseid,$domain,$username);
1.443 albertel 12848: } elsif ($which eq '64bit2') {
12849: return &rndseed_64bit2($symb,$courseid,$domain,$username);
1.366 albertel 12850: } elsif ($which eq '64bit') {
12851: return &rndseed_64bit($symb,$courseid,$domain,$username);
12852: }
12853: return &rndseed_32bit($symb,$courseid,$domain,$username);
12854: }
12855:
12856: sub rndseed_32bit {
12857: my ($symb,$courseid,$domain,$username)=@_;
12858: {
12859: use integer;
12860: my $symbchck=unpack("%32C*",$symb) << 27;
12861: my $symbseed=numval($symb) << 22;
12862: my $namechck=unpack("%32C*",$username) << 17;
12863: my $nameseed=numval($username) << 12;
12864: my $domainseed=unpack("%32C*",$domain) << 7;
12865: my $courseseed=unpack("%32C*",$courseid);
12866: my $num=$symbseed+$nameseed+$domainseed+$courseseed+$namechck+$symbchck;
1.790 albertel 12867: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
12868: #&logthis("rndseed :$num:$symb");
1.564 albertel 12869: if ($_64bit) { $num=(($num<<32)>>32); }
1.366 albertel 12870: return $num;
12871: }
12872: }
12873:
12874: sub rndseed_64bit {
12875: my ($symb,$courseid,$domain,$username)=@_;
12876: {
12877: use integer;
12878: my $symbchck=unpack("%32S*",$symb) << 21;
12879: my $symbseed=numval($symb) << 10;
12880: my $namechck=unpack("%32S*",$username);
12881:
12882: my $nameseed=numval($username) << 21;
12883: my $domainseed=unpack("%32S*",$domain) << 10;
12884: my $courseseed=unpack("%32S*",$courseid);
12885:
12886: my $num1=$symbchck+$symbseed+$namechck;
12887: my $num2=$nameseed+$domainseed+$courseseed;
1.790 albertel 12888: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
12889: #&logthis("rndseed :$num:$symb");
1.564 albertel 12890: if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.366 albertel 12891: return "$num1,$num2";
1.155 albertel 12892: }
1.366 albertel 12893: }
12894:
1.443 albertel 12895: sub rndseed_64bit2 {
12896: my ($symb,$courseid,$domain,$username)=@_;
12897: {
12898: use integer;
12899: # strings need to be an even # of cahracters long, it it is odd the
12900: # last characters gets thrown away
12901: my $symbchck=unpack("%32S*",$symb.' ') << 21;
12902: my $symbseed=numval($symb) << 10;
12903: my $namechck=unpack("%32S*",$username.' ');
12904:
12905: my $nameseed=numval($username) << 21;
1.501 albertel 12906: my $domainseed=unpack("%32S*",$domain.' ') << 10;
12907: my $courseseed=unpack("%32S*",$courseid.' ');
12908:
12909: my $num1=$symbchck+$symbseed+$namechck;
12910: my $num2=$nameseed+$domainseed+$courseseed;
1.790 albertel 12911: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
12912: #&logthis("rndseed :$num:$symb");
1.803 albertel 12913: if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.501 albertel 12914: return "$num1,$num2";
12915: }
12916: }
12917:
12918: sub rndseed_64bit3 {
12919: my ($symb,$courseid,$domain,$username)=@_;
12920: {
12921: use integer;
12922: # strings need to be an even # of cahracters long, it it is odd the
12923: # last characters gets thrown away
12924: my $symbchck=unpack("%32S*",$symb.' ') << 21;
12925: my $symbseed=numval2($symb) << 10;
12926: my $namechck=unpack("%32S*",$username.' ');
12927:
12928: my $nameseed=numval2($username) << 21;
1.443 albertel 12929: my $domainseed=unpack("%32S*",$domain.' ') << 10;
12930: my $courseseed=unpack("%32S*",$courseid.' ');
12931:
12932: my $num1=$symbchck+$symbseed+$namechck;
12933: my $num2=$nameseed+$domainseed+$courseseed;
1.790 albertel 12934: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
12935: #&logthis("rndseed :$num1:$num2:$_64bit");
1.564 albertel 12936: if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.1110 www 12937:
1.503 albertel 12938: return "$num1:$num2";
1.443 albertel 12939: }
12940: }
12941:
1.575 albertel 12942: sub rndseed_64bit4 {
12943: my ($symb,$courseid,$domain,$username)=@_;
12944: {
12945: use integer;
12946: # strings need to be an even # of cahracters long, it it is odd the
12947: # last characters gets thrown away
12948: my $symbchck=unpack("%32S*",$symb.' ') << 21;
12949: my $symbseed=numval3($symb) << 10;
12950: my $namechck=unpack("%32S*",$username.' ');
12951:
12952: my $nameseed=numval3($username) << 21;
12953: my $domainseed=unpack("%32S*",$domain.' ') << 10;
12954: my $courseseed=unpack("%32S*",$courseid.' ');
12955:
12956: my $num1=$symbchck+$symbseed+$namechck;
12957: my $num2=$nameseed+$domainseed+$courseseed;
1.790 albertel 12958: #&logthis("$symbseed:$nameseed;$domainseed|$courseseed;$namechck:$symbchck");
12959: #&logthis("rndseed :$num1:$num2:$_64bit");
1.575 albertel 12960: if ($_64bit) { $num1=(($num1<<32)>>32); $num2=(($num2<<32)>>32); }
1.1110 www 12961:
1.575 albertel 12962: return "$num1:$num2";
12963: }
12964: }
12965:
1.675 albertel 12966: sub rndseed_64bit5 {
12967: my ($symb,$courseid,$domain,$username)=@_;
12968: my ($num1,$num2)=&digest("$symb,$courseid,$domain,$username");
12969: return "$num1:$num2";
12970: }
12971:
1.366 albertel 12972: sub rndseed_CODE_64bit {
12973: my ($symb,$courseid,$domain,$username)=@_;
1.155 albertel 12974: {
1.366 albertel 12975: use integer;
1.443 albertel 12976: my $symbchck=unpack("%32S*",$symb.' ') << 16;
1.484 albertel 12977: my $symbseed=numval2($symb);
1.491 albertel 12978: my $CODEchck=unpack("%32S*",&getCODE().' ') << 16;
12979: my $CODEseed=numval(&getCODE());
1.443 albertel 12980: my $courseseed=unpack("%32S*",$courseid.' ');
1.484 albertel 12981: my $num1=$symbseed+$CODEchck;
12982: my $num2=$CODEseed+$courseseed+$symbchck;
1.790 albertel 12983: #&logthis("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck");
12984: #&logthis("rndseed :$num1:$num2:$symb");
1.564 albertel 12985: if ($_64bit) { $num1=(($num1<<32)>>32); }
12986: if ($_64bit) { $num2=(($num2<<32)>>32); }
1.503 albertel 12987: return "$num1:$num2";
1.366 albertel 12988: }
12989: }
12990:
1.575 albertel 12991: sub rndseed_CODE_64bit4 {
12992: my ($symb,$courseid,$domain,$username)=@_;
12993: {
12994: use integer;
12995: my $symbchck=unpack("%32S*",$symb.' ') << 16;
12996: my $symbseed=numval3($symb);
12997: my $CODEchck=unpack("%32S*",&getCODE().' ') << 16;
12998: my $CODEseed=numval3(&getCODE());
12999: my $courseseed=unpack("%32S*",$courseid.' ');
13000: my $num1=$symbseed+$CODEchck;
13001: my $num2=$CODEseed+$courseseed+$symbchck;
1.790 albertel 13002: #&logthis("$symbseed:$CODEchck|$CODEseed:$courseseed:$symbchck");
13003: #&logthis("rndseed :$num1:$num2:$symb");
1.575 albertel 13004: if ($_64bit) { $num1=(($num1<<32)>>32); }
13005: if ($_64bit) { $num2=(($num2<<32)>>32); }
13006: return "$num1:$num2";
13007: }
13008: }
13009:
1.675 albertel 13010: sub rndseed_CODE_64bit5 {
13011: my ($symb,$courseid,$domain,$username)=@_;
13012: my $code = &getCODE();
13013: my ($num1,$num2)=&digest("$symb,$courseid,$code");
13014: return "$num1:$num2";
13015: }
13016:
1.366 albertel 13017: sub setup_random_from_rndseed {
13018: my ($rndseed)=@_;
1.503 albertel 13019: if ($rndseed =~/([,:])/) {
1.1172.2.51 raeburn 13020: my ($num1,$num2) = map { abs($_); } (split(/[,:]/,$rndseed));
13021: if ((!$num1) || (!$num2) || ($num1 > 2147483562) || ($num2 > 2147483398)) {
13022: &Math::Random::random_set_seed_from_phrase($rndseed);
13023: } else {
13024: &Math::Random::random_set_seed($num1,$num2);
13025: }
1.366 albertel 13026: } else {
13027: &Math::Random::random_set_seed_from_phrase($rndseed);
1.98 albertel 13028: }
1.36 albertel 13029: }
13030:
1.474 albertel 13031: sub latest_receipt_algorithm_id {
1.835 albertel 13032: return 'receipt3';
1.474 albertel 13033: }
13034:
1.480 www 13035: sub recunique {
13036: my $fucourseid=shift;
13037: my $unique;
1.835 albertel 13038: if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2' ||
13039: $env{"course.$fucourseid.receiptalg"} eq 'receipt3' ) {
1.620 albertel 13040: $unique=$env{"course.$fucourseid.internal.encseed"};
1.480 www 13041: } else {
13042: $unique=$perlvar{'lonReceipt'};
13043: }
13044: return unpack("%32C*",$unique);
13045: }
13046:
13047: sub recprefix {
13048: my $fucourseid=shift;
13049: my $prefix;
1.835 albertel 13050: if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2'||
13051: $env{"course.$fucourseid.receiptalg"} eq 'receipt3' ) {
1.620 albertel 13052: $prefix=$env{"course.$fucourseid.internal.encpref"};
1.480 www 13053: } else {
13054: $prefix=$perlvar{'lonHostID'};
13055: }
13056: return unpack("%32C*",$prefix);
13057: }
13058:
1.76 www 13059: sub ireceipt {
1.474 albertel 13060: my ($funame,$fudom,$fucourseid,$fusymb,$part)=@_;
1.835 albertel 13061:
13062: my $return =&recprefix($fucourseid).'-';
13063:
13064: if ($env{"course.$fucourseid.receiptalg"} eq 'receipt3' ||
13065: $env{'request.state'} eq 'construct') {
13066: $return .= (&digest("$funame,$fudom,$fucourseid,$fusymb,$part")%10000);
13067: return $return;
13068: }
13069:
1.76 www 13070: my $cuname=unpack("%32C*",$funame);
13071: my $cudom=unpack("%32C*",$fudom);
13072: my $cucourseid=unpack("%32C*",$fucourseid);
13073: my $cusymb=unpack("%32C*",$fusymb);
1.480 www 13074: my $cunique=&recunique($fucourseid);
1.474 albertel 13075: my $cpart=unpack("%32S*",$part);
1.835 albertel 13076: if ($env{"course.$fucourseid.receiptalg"} eq 'receipt2') {
13077:
1.790 albertel 13078: #&logthis("doing receipt2 using parts $cpart, uname $cuname and udom $cudom gets ".($cpart%$cuname)." and ".($cpart%$cudom));
1.474 albertel 13079:
13080: $return.= ($cunique%$cuname+
13081: $cunique%$cudom+
13082: $cusymb%$cuname+
13083: $cusymb%$cudom+
13084: $cucourseid%$cuname+
13085: $cucourseid%$cudom+
13086: $cpart%$cuname+
13087: $cpart%$cudom);
13088: } else {
13089: $return.= ($cunique%$cuname+
13090: $cunique%$cudom+
13091: $cusymb%$cuname+
13092: $cusymb%$cudom+
13093: $cucourseid%$cuname+
13094: $cucourseid%$cudom);
13095: }
13096: return $return;
1.76 www 13097: }
13098:
13099: sub receipt {
1.474 albertel 13100: my ($part)=@_;
1.790 albertel 13101: my ($symb,$courseid,$domain,$name) = &whichuser();
1.474 albertel 13102: return &ireceipt($name,$domain,$courseid,$symb,$part);
1.76 www 13103: }
1.260 ng 13104:
1.790 albertel 13105: sub whichuser {
13106: my ($passedsymb)=@_;
13107: my ($symb,$courseid,$domain,$name,$publicuser);
13108: if (defined($env{'form.grade_symb'})) {
13109: my ($tmp_courseid)=&get_env_multiple('form.grade_courseid');
13110: my $allowed=&allowed('vgr',$tmp_courseid);
13111: if (!$allowed &&
13112: exists($env{'request.course.sec'}) &&
13113: $env{'request.course.sec'} !~ /^\s*$/) {
13114: $allowed=&allowed('vgr',$tmp_courseid.
13115: '/'.$env{'request.course.sec'});
13116: }
13117: if ($allowed) {
13118: ($symb)=&get_env_multiple('form.grade_symb');
13119: $courseid=$tmp_courseid;
13120: ($domain)=&get_env_multiple('form.grade_domain');
13121: ($name)=&get_env_multiple('form.grade_username');
13122: return ($symb,$courseid,$domain,$name,$publicuser);
13123: }
13124: }
13125: if (!$passedsymb) {
13126: $symb=&symbread();
13127: } else {
13128: $symb=$passedsymb;
13129: }
13130: $courseid=$env{'request.course.id'};
13131: $domain=$env{'user.domain'};
13132: $name=$env{'user.name'};
13133: if ($name eq 'public' && $domain eq 'public') {
13134: if (!defined($env{'form.username'})) {
13135: $env{'form.username'}.=time.rand(10000000);
13136: }
13137: $name.=$env{'form.username'};
13138: }
13139: return ($symb,$courseid,$domain,$name,$publicuser);
13140:
13141: }
13142:
1.36 albertel 13143: # ------------------------------------------------------------ Serves up a file
1.472 albertel 13144: # returns either the contents of the file or
13145: # -1 if the file doesn't exist
1.481 raeburn 13146: #
13147: # if the target is a file that was uploaded via DOCS,
13148: # a check will be made to see if a current copy exists on the local server,
13149: # if it does this will be served, otherwise a copy will be retrieved from
13150: # the home server for the course and stored in /home/httpd/html/userfiles on
13151: # the local server.
1.472 albertel 13152:
1.36 albertel 13153: sub getfile {
1.538 albertel 13154: my ($file) = @_;
1.609 banghart 13155: if ($file =~ m -^/*(uploaded|editupload)/-) { $file=&filelocation("",$file); }
1.538 albertel 13156: &repcopy($file);
13157: return &readfile($file);
13158: }
13159:
13160: sub repcopy_userfile {
13161: my ($file)=@_;
1.1142 raeburn 13162: my $londocroot = $perlvar{'lonDocRoot'};
13163: if ($file =~ m{^/*(uploaded|editupload)/}) { $file=&filelocation("",$file); }
1.1164 raeburn 13164: if ($file =~ m{^\Q/home/httpd/lonUsers/\E}) { return 'ok'; }
1.538 albertel 13165: my ($cdom,$cnum,$filename) =
1.811 albertel 13166: ($file=~m|^\Q$perlvar{'lonDocRoot'}\E/+userfiles/+($match_domain)/+($match_name)/+(.*)|);
1.538 albertel 13167: my $uri="/uploaded/$cdom/$cnum/$filename";
13168: if (-e "$file") {
1.828 www 13169: # we already have a local copy, check it out
1.538 albertel 13170: my @fileinfo = stat($file);
1.828 www 13171: my $rtncode;
13172: my $info;
1.538 albertel 13173: my $lwpresp = &getuploaded('HEAD',$uri,$cdom,$cnum,\$info,\$rtncode);
1.482 albertel 13174: if ($lwpresp ne 'ok') {
1.828 www 13175: # there is no such file anymore, even though we had a local copy
1.482 albertel 13176: if ($rtncode eq '404') {
1.538 albertel 13177: unlink($file);
1.482 albertel 13178: }
13179: return -1;
13180: }
13181: if ($info < $fileinfo[9]) {
1.828 www 13182: # nice, the file we have is up-to-date, just say okay
1.607 raeburn 13183: return 'ok';
1.828 www 13184: } else {
13185: # the file is outdated, get rid of it
13186: unlink($file);
1.482 albertel 13187: }
1.828 www 13188: }
13189: # one way or the other, at this point, we don't have the file
13190: # construct the correct path for the file
13191: my @parts = ($cdom,$cnum);
13192: if ($filename =~ m|^(.+)/[^/]+$|) {
13193: push @parts, split(/\//,$1);
13194: }
13195: my $path = $perlvar{'lonDocRoot'}.'/userfiles';
13196: foreach my $part (@parts) {
13197: $path .= '/'.$part;
13198: if (!-e $path) {
13199: mkdir($path,0770);
1.482 albertel 13200: }
13201: }
1.828 www 13202: # now the path exists for sure
13203: # get a user agent
13204: my $ua=new LWP::UserAgent;
13205: my $transferfile=$file.'.in.transfer';
13206: # FIXME: this should flock
13207: if (-e $transferfile) { return 'ok'; }
13208: my $request;
13209: $uri=~s/^\///;
1.980 raeburn 13210: my $homeserver = &homeserver($cnum,$cdom);
1.1172.2.118. .3(raebu 13211:20): my $hostname = &hostname($homeserver);
1.980 raeburn 13212: my $protocol = $protocol{$homeserver};
13213: $protocol = 'http' if ($protocol ne 'https');
1.1172.2.118. .3(raebu 13214:20): $request=new HTTP::Request('GET',$protocol.'://'.$hostname.'/raw/'.$uri);
1.828 www 13215: my $response=$ua->request($request,$transferfile);
13216: # did it work?
13217: if ($response->is_error()) {
13218: unlink($transferfile);
13219: &logthis("Userfile repcopy failed for $uri");
13220: return -1;
13221: }
13222: # worked, rename the transfer file
13223: rename($transferfile,$file);
1.607 raeburn 13224: return 'ok';
1.481 raeburn 13225: }
13226:
1.517 albertel 13227: sub tokenwrapper {
13228: my $uri=shift;
1.980 raeburn 13229: $uri=~s|^https?\://([^/]+)||;
1.552 albertel 13230: $uri=~s|^/||;
1.620 albertel 13231: $env{'user.environment'}=~/\/([^\/]+)\.id/;
1.517 albertel 13232: my $token=$1;
1.552 albertel 13233: my (undef,$udom,$uname,$file)=split('/',$uri,4);
13234: if ($udom && $uname && $file) {
13235: $file=~s|(\?\.*)*$||;
1.949 raeburn 13236: &appenv({"userfile.$udom/$uname/$file" => $env{'request.course.id'}});
1.980 raeburn 13237: my $homeserver = &homeserver($uname,$udom);
1.1172.2.118. .3(raebu 13238:20): my $hostname = &hostname($homeserver);
1.980 raeburn 13239: my $protocol = $protocol{$homeserver};
13240: $protocol = 'http' if ($protocol ne 'https');
1.1172.2.118. .3(raebu 13241:20): return $protocol.'://'.$hostname.'/'.$uri.
1.517 albertel 13242: (($uri=~/\?/)?'&':'?').'token='.$token.
13243: '&tokenissued='.$perlvar{'lonHostID'};
13244: } else {
13245: return '/adm/notfound.html';
13246: }
13247: }
13248:
1.828 www 13249: # call with reqtype HEAD: get last modification time
13250: # call with reqtype GET: get the file contents
13251: # Do not call this with reqtype GET for large files! It loads everything into memory
13252: #
1.481 raeburn 13253: sub getuploaded {
13254: my ($reqtype,$uri,$cdom,$cnum,$info,$rtncode) = @_;
13255: $uri=~s/^\///;
1.980 raeburn 13256: my $homeserver = &homeserver($cnum,$cdom);
1.1172.2.118. .3(raebu 13257:20): my $hostname = &hostname($homeserver);
1.980 raeburn 13258: my $protocol = $protocol{$homeserver};
13259: $protocol = 'http' if ($protocol ne 'https');
1.1172.2.118. .3(raebu 13260:20): $uri = $protocol.'://'.$hostname.'/raw/'.$uri;
1.481 raeburn 13261: my $ua=new LWP::UserAgent;
13262: my $request=new HTTP::Request($reqtype,$uri);
13263: my $response=$ua->request($request);
13264: $$rtncode = $response->code;
1.482 albertel 13265: if (! $response->is_success()) {
13266: return 'failed';
13267: }
13268: if ($reqtype eq 'HEAD') {
1.486 www 13269: $$info = &HTTP::Date::str2time( $response->header('Last-modified') );
1.482 albertel 13270: } elsif ($reqtype eq 'GET') {
13271: $$info = $response->content;
1.472 albertel 13272: }
1.482 albertel 13273: return 'ok';
1.36 albertel 13274: }
13275:
1.481 raeburn 13276: sub readfile {
13277: my $file = shift;
13278: if ( (! -e $file ) || ($file eq '') ) { return -1; };
13279: my $fh;
1.1172.2.96 raeburn 13280: open($fh,"<",$file);
1.481 raeburn 13281: my $a='';
1.800 albertel 13282: while (my $line = <$fh>) { $a .= $line; }
1.481 raeburn 13283: return $a;
13284: }
13285:
1.36 albertel 13286: sub filelocation {
1.590 banghart 13287: my ($dir,$file) = @_;
13288: my $location;
13289: $file=~ s/^\s*(\S+)\s*$/$1/; ## strip off leading and trailing spaces
1.700 albertel 13290:
13291: if ($file =~ m-^/adm/-) {
13292: $file=~s-^/adm/wrapper/-/-;
13293: $file=~s-^/adm/coursedocs/showdoc/-/-;
13294: }
1.882 albertel 13295:
1.1139 www 13296: if ($file =~ m-^\Q$Apache::lonnet::perlvar{'lonTabDir'}\E/-) {
1.956 raeburn 13297: $location = $file;
1.609 banghart 13298: } elsif ($file=~/^\/*(uploaded|editupload)/) { # is an uploaded file
1.590 banghart 13299: my ($udom,$uname,$filename)=
1.811 albertel 13300: ($file=~m -^/+(?:uploaded|editupload)/+($match_domain)/+($match_name)/+(.*)$-);
1.590 banghart 13301: my $home=&homeserver($uname,$udom);
13302: my $is_me=0;
13303: my @ids=¤t_machine_ids();
13304: foreach my $id (@ids) { if ($id eq $home) { $is_me=1; } }
13305: if ($is_me) {
1.1117 foxr 13306: $location=propath($udom,$uname).'/userfiles/'.$filename;
1.590 banghart 13307: } else {
13308: $location=$Apache::lonnet::perlvar{'lonDocRoot'}.'/userfiles/'.
13309: $udom.'/'.$uname.'/'.$filename;
13310: }
1.882 albertel 13311: } elsif ($file =~ m-^/adm/-) {
13312: $location = $perlvar{'lonDocRoot'}.'/'.$file;
1.590 banghart 13313: } else {
13314: $file=~s/^\Q$perlvar{'lonDocRoot'}\E//;
1.1139 www 13315: $file=~s:^/(res|priv)/:/:;
13316: my $space=$1;
1.590 banghart 13317: if ( !( $file =~ m:^/:) ) {
13318: $location = $dir. '/'.$file;
13319: } else {
1.1142 raeburn 13320: $location = $perlvar{'lonDocRoot'}.'/'.$space.$file;
1.590 banghart 13321: }
1.59 albertel 13322: }
1.590 banghart 13323: $location=~s://+:/:g; # remove duplicate /
1.930 albertel 13324: while ($location=~m{/\.\./}) {
13325: if ($location =~ m{/[^/]+/\.\./}) {
13326: $location=~ s{/[^/]+/\.\./}{/}g;
13327: } else {
13328: $location=~ s{/\.\./}{/}g;
13329: }
13330: } #remove dir/..
1.590 banghart 13331: while ($location=~m:/\./:) {$location=~ s:/\./:/:g;} #remove /./
13332: return $location;
1.46 www 13333: }
1.36 albertel 13334:
1.46 www 13335: sub hreflocation {
13336: my ($dir,$file)=@_;
1.980 raeburn 13337: unless (($file=~m-^https?\://-i) || ($file=~m-^/-)) {
1.666 albertel 13338: $file=filelocation($dir,$file);
1.700 albertel 13339: } elsif ($file=~m-^/adm/-) {
13340: $file=~s-^/adm/wrapper/-/-;
13341: $file=~s-^/adm/coursedocs/showdoc/-/-;
1.666 albertel 13342: }
13343: if ($file=~m-^\Q$perlvar{'lonDocRoot'}\E-) {
13344: $file=~s-^\Q$perlvar{'lonDocRoot'}\E--;
13345: } elsif ($file=~m-^\Q$perlvar{'lonUsersDir'}\E-) {
1.1143 raeburn 13346: $file=~s{^/home/httpd/lonUsers/($match_domain)/./././($match_name)/userfiles/}
13347: {/uploaded/$1/$2/}x;
1.46 www 13348: }
1.913 albertel 13349: if ($file=~ m{^/userfiles/}) {
13350: $file =~ s{^/userfiles/}{/uploaded/};
13351: }
1.462 albertel 13352: return $file;
1.465 albertel 13353: }
13354:
1.1139 www 13355:
13356:
13357:
13358:
1.465 albertel 13359: sub current_machine_domains {
1.853 albertel 13360: return &machine_domains(&hostname($perlvar{'lonHostID'}));
13361: }
13362:
13363: sub machine_domains {
13364: my ($hostname) = @_;
1.465 albertel 13365: my @domains;
1.838 albertel 13366: my %hostname = &all_hostnames();
1.465 albertel 13367: while( my($id, $name) = each(%hostname)) {
1.467 matthew 13368: # &logthis("-$id-$name-$hostname-");
1.465 albertel 13369: if ($hostname eq $name) {
1.844 albertel 13370: push(@domains,&host_domain($id));
1.465 albertel 13371: }
13372: }
13373: return @domains;
13374: }
13375:
13376: sub current_machine_ids {
1.853 albertel 13377: return &machine_ids(&hostname($perlvar{'lonHostID'}));
13378: }
13379:
13380: sub machine_ids {
13381: my ($hostname) = @_;
13382: $hostname ||= &hostname($perlvar{'lonHostID'});
1.465 albertel 13383: my @ids;
1.888 albertel 13384: my %name_to_host = &all_names();
1.889 albertel 13385: if (ref($name_to_host{$hostname}) eq 'ARRAY') {
13386: return @{ $name_to_host{$hostname} };
13387: }
13388: return;
1.31 www 13389: }
13390:
1.824 raeburn 13391: sub additional_machine_domains {
13392: my @domains;
1.1172.2.96 raeburn 13393: open(my $fh,"<","$perlvar{'lonTabDir'}/expected_domains.tab");
1.824 raeburn 13394: while( my $line = <$fh>) {
13395: $line =~ s/\s//g;
13396: push(@domains,$line);
13397: }
13398: return @domains;
13399: }
13400:
13401: sub default_login_domain {
13402: my $domain = $perlvar{'lonDefDomain'};
13403: my $testdomain=(split(/\./,$ENV{'HTTP_HOST'}))[0];
13404: foreach my $posdom (¤t_machine_domains(),
13405: &additional_machine_domains()) {
13406: if (lc($posdom) eq lc($testdomain)) {
13407: $domain=$posdom;
13408: last;
13409: }
13410: }
13411: return $domain;
13412: }
13413:
1.1172.2.106 raeburn 13414: sub shared_institution {
13415: my ($dom) = @_;
13416: my $same_intdom;
13417: my $hostintdom = &internet_dom($perlvar{'lonHostID'});
13418: if ($hostintdom ne '') {
13419: my %iphost = &get_iphost();
13420: my $primary_id = &domain($dom,'primary');
13421: my $primary_ip = &get_host_ip($primary_id);
13422: if (ref($iphost{$primary_ip}) eq 'ARRAY') {
13423: foreach my $id (@{$iphost{$primary_ip}}) {
13424: my $intdom = &internet_dom($id);
13425: if ($intdom eq $hostintdom) {
13426: $same_intdom = 1;
13427: last;
13428: }
13429: }
13430: }
13431: }
13432: return $same_intdom;
13433: }
13434:
1.1172.2.118. .3(raebu 13435:20): sub uses_sts {
13436:20): my ($ignore_cache) = @_;
13437:20): my $lonhost = $perlvar{'lonHostID'};
13438:20): my $hostname = &hostname($lonhost);
13439:20): my $sts_on;
13440:20): if ($protocol{$lonhost} eq 'https') {
13441:20): my $cachetime = 12*3600;
13442:20): if (!$ignore_cache) {
13443:20): ($sts_on,my $cached)=&is_cached_new('stspolicy',$lonhost);
13444:20): if (defined($cached)) {
13445:20): return $sts_on;
13446:20): }
13447:20): }
.4(raebu 13448:20): my $ua=new LWP::UserAgent;
.3(raebu 13449:20): my $url = $protocol{$lonhost}.'://'.$hostname.'/index.html';
13450:20): my $request=new HTTP::Request('HEAD',$url);
.4(raebu 13451:20): my $response=$ua->request($request);
.3(raebu 13452:20): if ($response->is_success) {
13453:20): my $has_sts = $response->header('Strict-Transport-Security');
13454:20): if ($has_sts eq '') {
13455:20): $sts_on = 0;
13456:20): } else {
13457:20): if ($has_sts =~ /\Qmax-age=\E(\d+)/) {
13458:20): my $maxage = $1;
13459:20): if ($maxage) {
13460:20): $sts_on = 1;
13461:20): } else {
13462:20): $sts_on = 0;
13463:20): }
13464:20): } else {
13465:20): $sts_on = 0;
13466:20): }
13467:20): }
13468:20): return &do_cache_new('stspolicy',$lonhost,$sts_on,$cachetime);
13469:20): }
13470:20): }
13471:20): return;
13472:20): }
13473:20):
1.31 www 13474: # ------------------------------------------------------------- Declutters URLs
13475:
13476: sub declutter {
13477: my $thisfn=shift;
1.569 albertel 13478: if ($thisfn=~m|^/enc/|) { $thisfn=&Apache::lonenc::unencrypted($thisfn); }
1.1172.2.49 raeburn 13479: unless ($thisfn=~m{^/home/httpd/html/priv/}) {
13480: $thisfn=~s{^/home/httpd/html}{};
13481: }
1.31 www 13482: $thisfn=~s/^\///;
1.697 albertel 13483: $thisfn=~s|^adm/wrapper/||;
13484: $thisfn=~s|^adm/coursedocs/showdoc/||;
1.31 www 13485: $thisfn=~s/^res\///;
1.1172 bisitz 13486: $thisfn=~s/^priv\///;
1.1032 raeburn 13487: unless (($thisfn =~ /^ext/) || ($thisfn =~ /\.(page|sequence)___\d+___ext/)) {
13488: $thisfn=~s/\?.+$//;
13489: }
1.268 www 13490: return $thisfn;
13491: }
13492:
13493: # ------------------------------------------------------------- Clutter up URLs
13494:
13495: sub clutter {
13496: my $thisfn='/'.&declutter(shift);
1.887 albertel 13497: if ($thisfn !~ m{^/(uploaded|editupload|adm|userfiles|ext|raw|priv|public)/}
1.884 albertel 13498: || $thisfn =~ m{^/adm/(includes|pages)} ) {
1.270 www 13499: $thisfn='/res'.$thisfn;
13500: }
1.1031 raeburn 13501: if ($thisfn !~m|^/adm|) {
13502: if ($thisfn =~ m|^/ext/|) {
1.694 albertel 13503: $thisfn='/adm/wrapper'.$thisfn;
1.695 albertel 13504: } else {
13505: my ($ext) = ($thisfn =~ /\.(\w+)$/);
13506: my $embstyle=&Apache::loncommon::fileembstyle($ext);
1.698 albertel 13507: if ($embstyle eq 'ssi'
13508: || ($embstyle eq 'hdn')
13509: || ($embstyle eq 'rat')
13510: || ($embstyle eq 'prv')
13511: || ($embstyle eq 'ign')) {
13512: #do nothing with these
13513: } elsif (($embstyle eq 'img')
1.695 albertel 13514: || ($embstyle eq 'emb')
13515: || ($embstyle eq 'wrp')) {
13516: $thisfn='/adm/wrapper'.$thisfn;
1.698 albertel 13517: } elsif ($embstyle eq 'unk'
13518: && $thisfn!~/\.(sequence|page)$/) {
1.695 albertel 13519: $thisfn='/adm/coursedocs/showdoc'.$thisfn;
1.698 albertel 13520: } else {
1.718 www 13521: # &logthis("Got a blank emb style");
1.695 albertel 13522: }
1.694 albertel 13523: }
1.1172.2.118. .1(raebu 13524:20): } elsif ($thisfn =~ m{^/adm/$match_domain/$match_courseid/\d+/ext\.tool$}) {
13525:20): $thisfn='/adm/wrapper'.$thisfn;
1.694 albertel 13526: }
1.31 www 13527: return $thisfn;
1.12 www 13528: }
13529:
1.787 albertel 13530: sub clutter_with_no_wrapper {
13531: my $uri = &clutter(shift);
13532: if ($uri =~ m-^/adm/-) {
13533: $uri =~ s-^/adm/wrapper/-/-;
13534: $uri =~ s-^/adm/coursedocs/showdoc/-/-;
13535: }
13536: return $uri;
13537: }
13538:
1.557 albertel 13539: sub freeze_escape {
13540: my ($value)=@_;
13541: if (ref($value)) {
13542: $value=&nfreeze($value);
13543: return '__FROZEN__'.&escape($value);
13544: }
13545: return &escape($value);
13546: }
13547:
1.11 www 13548:
1.557 albertel 13549: sub thaw_unescape {
13550: my ($value)=@_;
13551: if ($value =~ /^__FROZEN__/) {
13552: substr($value,0,10,undef);
13553: $value=&unescape($value);
13554: return &thaw($value);
13555: }
13556: return &unescape($value);
13557: }
13558:
1.436 albertel 13559: sub correct_line_ends {
13560: my ($result)=@_;
13561: $$result =~s/\r\n/\n/mg;
13562: $$result =~s/\r/\n/mg;
1.415 albertel 13563: }
1.1 albertel 13564: # ================================================================ Main Program
13565:
1.184 www 13566: sub goodbye {
1.204 albertel 13567: &logthis("Starting Shut down");
1.443 albertel 13568: #not converted to using infrastruture and probably shouldn't be
1.870 albertel 13569: &logthis(sprintf("%-20s is %s",'%badServerCache',length(&nfreeze(\%badServerCache))));
1.443 albertel 13570: #converted
1.599 albertel 13571: # &logthis(sprintf("%-20s is %s",'%metacache',scalar(%metacache)));
1.870 albertel 13572: &logthis(sprintf("%-20s is %s",'%homecache',length(&nfreeze(\%homecache))));
13573: # &logthis(sprintf("%-20s is %s",'%titlecache',length(&nfreeze(\%titlecache))));
13574: # &logthis(sprintf("%-20s is %s",'%courseresdatacache',length(&nfreeze(\%courseresdatacache))));
1.425 albertel 13575: #1.1 only
1.870 albertel 13576: # &logthis(sprintf("%-20s is %s",'%userresdatacache',length(&nfreeze(\%userresdatacache))));
13577: # &logthis(sprintf("%-20s is %s",'%getsectioncache',length(&nfreeze(\%getsectioncache))));
13578: # &logthis(sprintf("%-20s is %s",'%courseresversioncache',length(&nfreeze(\%courseresversioncache))));
13579: # &logthis(sprintf("%-20s is %s",'%resversioncache',length(&nfreeze(\%resversioncache))));
13580: &logthis(sprintf("%-20s is %s",'%remembered',length(&nfreeze(\%remembered))));
1.599 albertel 13581: &logthis(sprintf("%-20s is %s",'kicks',$kicks));
13582: &logthis(sprintf("%-20s is %s",'hits',$hits));
1.184 www 13583: &flushcourselogs();
13584: &logthis("Shutting down");
13585: }
13586:
1.852 albertel 13587: sub get_dns {
1.1172.2.17 raeburn 13588: my ($url,$func,$ignore_cache,$nocache,$hashref) = @_;
1.869 albertel 13589: if (!$ignore_cache) {
13590: my ($content,$cached)=
13591: &Apache::lonnet::is_cached_new('dns',$url);
13592: if ($cached) {
1.1172.2.17 raeburn 13593: &$func($content,$hashref);
1.869 albertel 13594: return;
13595: }
13596: }
13597:
13598: my %alldns;
1.1172.2.96 raeburn 13599: if (open(my $config,"<","$perlvar{'lonTabDir'}/hosts.tab")) {
13600: foreach my $dns (<$config>) {
13601: next if ($dns !~ /^\^(\S*)/x);
13602: my $line = $1;
13603: my ($host,$protocol) = split(/:/,$line);
13604: if ($protocol ne 'https') {
13605: $protocol = 'http';
13606: }
13607: $alldns{$host} = $protocol;
1.979 raeburn 13608: }
1.1172.2.96 raeburn 13609: close($config);
1.869 albertel 13610: }
13611: while (%alldns) {
1.1172.2.52 raeburn 13612: my ($dns) = sort { $b cmp $a } keys(%alldns);
1.852 albertel 13613: my $ua=new LWP::UserAgent;
1.1134 raeburn 13614: $ua->timeout(30);
1.979 raeburn 13615: my $request=new HTTP::Request('GET',"$alldns{$dns}://$dns$url");
1.852 albertel 13616: my $response=$ua->request($request);
1.979 raeburn 13617: delete($alldns{$dns});
1.852 albertel 13618: next if ($response->is_error());
13619: my @content = split("\n",$response->content);
1.1172.2.17 raeburn 13620: unless ($nocache) {
1.1172.2.23 raeburn 13621: &do_cache_new('dns',$url,\@content,30*24*60*60);
1.1172.2.17 raeburn 13622: }
13623: &$func(\@content,$hashref);
1.869 albertel 13624: return;
1.852 albertel 13625: }
1.871 albertel 13626: my $which = (split('/',$url))[3];
13627: &logthis("unable to contact DNS defaulting to on disk file dns_$which.tab\n");
1.1172.2.105 raeburn 13628: if (open(my $config,"<","$perlvar{'lonTabDir'}/dns_$which.tab")) {
13629: my @content = <$config>;
13630: &$func(\@content,$hashref);
13631: }
1.1172.2.17 raeburn 13632: return;
13633: }
13634:
13635: # ------------------------------------------------------Get DNS checksums file
13636: sub parse_dns_checksums_tab {
13637: my ($lines,$hashref) = @_;
1.1172.2.53 raeburn 13638: my $lonhost = $perlvar{'lonHostID'};
13639: my $machine_dom = &Apache::lonnet::host_domain($lonhost);
1.1172.2.17 raeburn 13640: my $loncaparev = &get_server_loncaparev($machine_dom);
1.1172.2.53 raeburn 13641: my $distro = (split(/\:/,&get_server_distarch($lonhost)))[0];
13642: my $webconfdir = '/etc/httpd/conf';
13643: if ($distro =~ /^(ubuntu|debian)(\d+)$/) {
13644: $webconfdir = '/etc/apache2';
13645: } elsif ($distro =~ /^sles(\d+)$/) {
13646: if ($1 >= 10) {
13647: $webconfdir = '/etc/apache2';
13648: }
13649: } elsif ($distro =~ /^suse(\d+\.\d+)$/) {
13650: if ($1 >= 10.0) {
13651: $webconfdir = '/etc/apache2';
13652: }
13653: }
1.1172.2.17 raeburn 13654: my ($release,$timestamp) = split(/\-/,$loncaparev);
13655: my (%chksum,%revnum);
13656: if (ref($lines) eq 'ARRAY') {
13657: chomp(@{$lines});
1.1172.2.34 raeburn 13658: my $version = shift(@{$lines});
13659: if ($version eq $release) {
1.1172.2.17 raeburn 13660: foreach my $line (@{$lines}) {
1.1172.2.34 raeburn 13661: my ($file,$version,$shasum) = split(/,/,$line);
1.1172.2.53 raeburn 13662: if ($file =~ m{^/etc/httpd/conf}) {
13663: if ($webconfdir eq '/etc/apache2') {
13664: $file =~ s{^\Q/etc/httpd/conf/\E}{$webconfdir/};
13665: }
13666: }
1.1172.2.34 raeburn 13667: $chksum{$file} = $shasum;
13668: $revnum{$file} = $version;
1.1172.2.17 raeburn 13669: }
13670: if (ref($hashref) eq 'HASH') {
13671: %{$hashref} = (
13672: sums => \%chksum,
13673: versions => \%revnum,
13674: );
13675: }
13676: }
13677: }
1.869 albertel 13678: return;
1.852 albertel 13679: }
1.1172.2.17 raeburn 13680:
13681: sub fetch_dns_checksums {
13682: my %checksums;
1.1172.2.34 raeburn 13683: my $machine_dom = &Apache::lonnet::host_domain($perlvar{'lonHostID'});
1.1172.2.48 raeburn 13684: my $loncaparev = &get_server_loncaparev($machine_dom,$perlvar{'lonHostID'});
1.1172.2.34 raeburn 13685: my ($release,$timestamp) = split(/\-/,$loncaparev);
13686: &get_dns("/adm/dns/checksums/$release",\&parse_dns_checksums_tab,1,1,
1.1172.2.17 raeburn 13687: \%checksums);
13688: return \%checksums;
13689: }
13690:
1.327 albertel 13691: # ------------------------------------------------------------ Read domain file
13692: {
1.852 albertel 13693: my $loaded;
1.846 albertel 13694: my %domain;
13695:
1.852 albertel 13696: sub parse_domain_tab {
13697: my ($lines) = @_;
13698: foreach my $line (@$lines) {
13699: next if ($line =~ /^(\#|\s*$ )/x);
1.403 www 13700:
1.846 albertel 13701: chomp($line);
1.852 albertel 13702: my ($name,@elements) = split(/:/,$line,9);
1.846 albertel 13703: my %this_domain;
13704: foreach my $field ('description', 'auth_def', 'auth_arg_def',
13705: 'lang_def', 'city', 'longi', 'lati',
13706: 'primary') {
13707: $this_domain{$field} = shift(@elements);
13708: }
13709: $domain{$name} = \%this_domain;
1.852 albertel 13710: }
13711: }
1.864 albertel 13712:
13713: sub reset_domain_info {
13714: undef($loaded);
13715: undef(%domain);
13716: }
13717:
1.852 albertel 13718: sub load_domain_tab {
1.1172.2.70 raeburn 13719: my ($ignore_cache,$nocache) = @_;
13720: &get_dns('/adm/dns/domain',\&parse_domain_tab,$ignore_cache,$nocache);
1.852 albertel 13721: my $fh;
1.1172.2.96 raeburn 13722: if (open($fh,"<",$perlvar{'lonTabDir'}.'/domain.tab')) {
1.852 albertel 13723: my @lines = <$fh>;
13724: &parse_domain_tab(\@lines);
1.448 albertel 13725: }
1.852 albertel 13726: close($fh);
13727: $loaded = 1;
1.327 albertel 13728: }
1.846 albertel 13729:
13730: sub domain {
1.852 albertel 13731: &load_domain_tab() if (!$loaded);
13732:
1.846 albertel 13733: my ($name,$what) = @_;
13734: return if ( !exists($domain{$name}) );
13735:
13736: if (!$what) {
13737: return $domain{$name}{'description'};
13738: }
13739: return $domain{$name}{$what};
13740: }
1.974 raeburn 13741:
13742: sub domain_info {
13743: &load_domain_tab() if (!$loaded);
13744: return %domain;
13745: }
13746:
1.327 albertel 13747: }
13748:
13749:
1.1 albertel 13750: # ------------------------------------------------------------- Read hosts file
13751: {
1.838 albertel 13752: my %hostname;
1.844 albertel 13753: my %hostdom;
1.845 albertel 13754: my %libserv;
1.852 albertel 13755: my $loaded;
1.888 albertel 13756: my %name_to_host;
1.1074 raeburn 13757: my %internetdom;
1.1107 raeburn 13758: my %LC_dns_serv;
1.852 albertel 13759:
13760: sub parse_hosts_tab {
13761: my ($file) = @_;
13762: foreach my $configline (@$file) {
13763: next if ($configline =~ /^(\#|\s*$ )/x);
1.1107 raeburn 13764: chomp($configline);
13765: if ($configline =~ /^\^/) {
13766: if ($configline =~ /^\^([\w.\-]+)/) {
13767: $LC_dns_serv{$1} = 1;
13768: }
13769: next;
13770: }
1.1074 raeburn 13771: my ($id,$domain,$role,$name,$protocol,$intdom)=split(/:/,$configline);
1.852 albertel 13772: $name=~s/\s//g;
13773: if ($id && $domain && $role && $name) {
1.1172.2.96 raeburn 13774: if ((exists($hostname{$id})) && ($hostname{$id} ne '')) {
13775: my $curr = $hostname{$id};
13776: my $skip;
13777: if (ref($name_to_host{$curr}) eq 'ARRAY') {
13778: if (($curr eq $name) && (@{$name_to_host{$curr}} == 1)) {
13779: $skip = 1;
13780: } else {
13781: @{$name_to_host{$curr}} = grep { $_ ne $id } @{$name_to_host{$curr}};
13782: }
13783: }
13784: unless ($skip) {
13785: push(@{$name_to_host{$name}},$id);
13786: }
13787: } else {
13788: push(@{$name_to_host{$name}},$id);
13789: }
1.852 albertel 13790: $hostname{$id}=$name;
13791: $hostdom{$id}=$domain;
13792: if ($role eq 'library') { $libserv{$id}=$name; }
1.969 raeburn 13793: if (defined($protocol)) {
13794: if ($protocol eq 'https') {
13795: $protocol{$id} = $protocol;
13796: } else {
13797: $protocol{$id} = 'http';
13798: }
1.968 raeburn 13799: } else {
1.969 raeburn 13800: $protocol{$id} = 'http';
1.968 raeburn 13801: }
1.1074 raeburn 13802: if (defined($intdom)) {
13803: $internetdom{$id} = $intdom;
13804: }
1.852 albertel 13805: }
13806: }
13807: }
1.864 albertel 13808:
13809: sub reset_hosts_info {
1.897 albertel 13810: &purge_remembered();
1.864 albertel 13811: &reset_domain_info();
13812: &reset_hosts_ip_info();
1.892 albertel 13813: undef(%name_to_host);
1.864 albertel 13814: undef(%hostname);
13815: undef(%hostdom);
13816: undef(%libserv);
13817: undef($loaded);
13818: }
1.1 albertel 13819:
1.852 albertel 13820: sub load_hosts_tab {
1.1172.2.70 raeburn 13821: my ($ignore_cache,$nocache) = @_;
13822: &get_dns('/adm/dns/hosts',\&parse_hosts_tab,$ignore_cache,$nocache);
1.1172.2.96 raeburn 13823: open(my $config,"<","$perlvar{'lonTabDir'}/hosts.tab");
1.852 albertel 13824: my @config = <$config>;
13825: &parse_hosts_tab(\@config);
13826: close($config);
13827: $loaded=1;
1.1 albertel 13828: }
1.852 albertel 13829:
1.838 albertel 13830: sub hostname {
1.852 albertel 13831: &load_hosts_tab() if (!$loaded);
13832:
1.838 albertel 13833: my ($lonid) = @_;
13834: return $hostname{$lonid};
13835: }
1.845 albertel 13836:
1.838 albertel 13837: sub all_hostnames {
1.852 albertel 13838: &load_hosts_tab() if (!$loaded);
13839:
1.838 albertel 13840: return %hostname;
13841: }
1.845 albertel 13842:
1.888 albertel 13843: sub all_names {
1.1172.2.70 raeburn 13844: my ($ignore_cache,$nocache) = @_;
13845: &load_hosts_tab($ignore_cache,$nocache) if (!$loaded);
1.888 albertel 13846:
13847: return %name_to_host;
13848: }
13849:
1.974 raeburn 13850: sub all_host_domain {
13851: &load_hosts_tab() if (!$loaded);
13852: return %hostdom;
13853: }
13854:
1.845 albertel 13855: sub is_library {
1.852 albertel 13856: &load_hosts_tab() if (!$loaded);
13857:
1.845 albertel 13858: return exists($libserv{$_[0]});
13859: }
13860:
13861: sub all_library {
1.852 albertel 13862: &load_hosts_tab() if (!$loaded);
13863:
1.845 albertel 13864: return %libserv;
13865: }
13866:
1.1062 droeschl 13867: sub unique_library {
13868: #2x reverse removes all hostnames that appear more than once
13869: my %unique = reverse &all_library();
13870: return reverse %unique;
13871: }
13872:
1.841 albertel 13873: sub get_servers {
1.852 albertel 13874: &load_hosts_tab() if (!$loaded);
13875:
1.841 albertel 13876: my ($domain,$type) = @_;
13877: my %possible_hosts = ($type eq 'library') ? %libserv
13878: : %hostname;
13879: my %result;
1.842 albertel 13880: if (ref($domain) eq 'ARRAY') {
13881: while ( my ($host,$hostname) = each(%possible_hosts)) {
1.843 albertel 13882: if (grep(/^\Q$hostdom{$host}\E$/,@$domain)) {
1.842 albertel 13883: $result{$host} = $hostname;
13884: }
13885: }
13886: } else {
13887: while ( my ($host,$hostname) = each(%possible_hosts)) {
13888: if ($hostdom{$host} eq $domain) {
13889: $result{$host} = $hostname;
13890: }
1.841 albertel 13891: }
13892: }
13893: return %result;
13894: }
1.845 albertel 13895:
1.1062 droeschl 13896: sub get_unique_servers {
13897: my %unique = reverse &get_servers(@_);
13898: return reverse %unique;
13899: }
13900:
1.844 albertel 13901: sub host_domain {
1.852 albertel 13902: &load_hosts_tab() if (!$loaded);
13903:
1.844 albertel 13904: my ($lonid) = @_;
13905: return $hostdom{$lonid};
13906: }
13907:
1.841 albertel 13908: sub all_domains {
1.852 albertel 13909: &load_hosts_tab() if (!$loaded);
13910:
1.841 albertel 13911: my %seen;
13912: my @uniq = grep(!$seen{$_}++, values(%hostdom));
13913: return @uniq;
13914: }
1.1074 raeburn 13915:
13916: sub internet_dom {
13917: &load_hosts_tab() if (!$loaded);
13918:
13919: my ($lonid) = @_;
13920: return $internetdom{$lonid};
13921: }
1.1107 raeburn 13922:
13923: sub is_LC_dns {
13924: &load_hosts_tab() if (!$loaded);
13925:
13926: my ($hostname) = @_;
13927: return exists($LC_dns_serv{$hostname});
13928: }
13929:
1.1 albertel 13930: }
13931:
1.847 albertel 13932: {
13933: my %iphost;
1.856 albertel 13934: my %name_to_ip;
13935: my %lonid_to_ip;
1.869 albertel 13936:
1.847 albertel 13937: sub get_hosts_from_ip {
13938: my ($ip) = @_;
13939: my %iphosts = &get_iphost();
13940: if (ref($iphosts{$ip})) {
13941: return @{$iphosts{$ip}};
13942: }
13943: return;
1.839 albertel 13944: }
1.864 albertel 13945:
13946: sub reset_hosts_ip_info {
13947: undef(%iphost);
13948: undef(%name_to_ip);
13949: undef(%lonid_to_ip);
13950: }
1.856 albertel 13951:
13952: sub get_host_ip {
13953: my ($lonid) = @_;
13954: if (exists($lonid_to_ip{$lonid})) {
13955: return $lonid_to_ip{$lonid};
13956: }
13957: my $name=&hostname($lonid);
13958: my $ip = gethostbyname($name);
13959: return if (!$ip || length($ip) ne 4);
13960: $ip=inet_ntoa($ip);
13961: $name_to_ip{$name} = $ip;
13962: $lonid_to_ip{$lonid} = $ip;
13963: return $ip;
13964: }
1.847 albertel 13965:
13966: sub get_iphost {
1.1172.2.70 raeburn 13967: my ($ignore_cache,$nocache) = @_;
1.894 albertel 13968:
1.869 albertel 13969: if (!$ignore_cache) {
13970: if (%iphost) {
13971: return %iphost;
13972: }
13973: my ($ip_info,$cached)=
13974: &Apache::lonnet::is_cached_new('iphost','iphost');
13975: if ($cached) {
13976: %iphost = %{$ip_info->[0]};
13977: %name_to_ip = %{$ip_info->[1]};
13978: %lonid_to_ip = %{$ip_info->[2]};
13979: return %iphost;
13980: }
13981: }
1.894 albertel 13982:
13983: # get yesterday's info for fallback
13984: my %old_name_to_ip;
13985: my ($ip_info,$cached)=
13986: &Apache::lonnet::is_cached_new('iphost','iphost');
13987: if ($cached) {
13988: %old_name_to_ip = %{$ip_info->[1]};
13989: }
13990:
1.1172.2.70 raeburn 13991: my %name_to_host = &all_names($ignore_cache,$nocache);
1.888 albertel 13992: foreach my $name (keys(%name_to_host)) {
1.847 albertel 13993: my $ip;
13994: if (!exists($name_to_ip{$name})) {
13995: $ip = gethostbyname($name);
13996: if (!$ip || length($ip) ne 4) {
1.894 albertel 13997: if (defined($old_name_to_ip{$name})) {
13998: $ip = $old_name_to_ip{$name};
13999: &logthis("Can't find $name defaulting to old $ip");
14000: } else {
14001: &logthis("Name $name no IP found");
14002: next;
14003: }
14004: } else {
14005: $ip=inet_ntoa($ip);
1.847 albertel 14006: }
14007: $name_to_ip{$name} = $ip;
14008: } else {
14009: $ip = $name_to_ip{$name};
1.653 albertel 14010: }
1.888 albertel 14011: foreach my $id (@{ $name_to_host{$name} }) {
14012: $lonid_to_ip{$id} = $ip;
14013: }
14014: push(@{$iphost{$ip}},@{$name_to_host{$name}});
1.598 albertel 14015: }
1.1172.2.70 raeburn 14016: unless ($nocache) {
14017: &do_cache_new('iphost','iphost',
14018: [\%iphost,\%name_to_ip,\%lonid_to_ip],
14019: 48*60*60);
14020: }
1.869 albertel 14021:
1.847 albertel 14022: return %iphost;
1.598 albertel 14023: }
14024:
1.992 raeburn 14025: #
14026: # Given a DNS returns the loncapa host name for that DNS
14027: #
14028: sub host_from_dns {
14029: my ($dns) = @_;
14030: my @hosts;
14031: my $ip;
14032:
1.993 raeburn 14033: if (exists($name_to_ip{$dns})) {
1.992 raeburn 14034: $ip = $name_to_ip{$dns};
14035: }
14036: if (!$ip) {
14037: $ip = gethostbyname($dns); # Initial translation to IP is in net order.
14038: if (length($ip) == 4) {
14039: $ip = &IO::Socket::inet_ntoa($ip);
14040: }
14041: }
14042: if ($ip) {
14043: @hosts = get_hosts_from_ip($ip);
14044: return $hosts[0];
14045: }
14046: return undef;
1.986 foxr 14047: }
1.992 raeburn 14048:
1.1074 raeburn 14049: sub get_internet_names {
14050: my ($lonid) = @_;
14051: return if ($lonid eq '');
14052: my ($idnref,$cached)=
14053: &Apache::lonnet::is_cached_new('internetnames',$lonid);
14054: if ($cached) {
14055: return $idnref;
14056: }
14057: my $ip = &get_host_ip($lonid);
14058: my @hosts = &get_hosts_from_ip($ip);
14059: my %iphost = &get_iphost();
14060: my (@idns,%seen);
14061: foreach my $id (@hosts) {
14062: my $dom = &host_domain($id);
14063: my $prim_id = &domain($dom,'primary');
14064: my $prim_ip = &get_host_ip($prim_id);
14065: next if ($seen{$prim_ip});
14066: if (ref($iphost{$prim_ip}) eq 'ARRAY') {
14067: foreach my $id (@{$iphost{$prim_ip}}) {
14068: my $intdom = &internet_dom($id);
14069: unless (grep(/^\Q$intdom\E$/,@idns)) {
14070: push(@idns,$intdom);
14071: }
14072: }
14073: }
14074: $seen{$prim_ip} = 1;
14075: }
1.1172.2.23 raeburn 14076: return &do_cache_new('internetnames',$lonid,\@idns,12*60*60);
1.1074 raeburn 14077: }
14078:
1.986 foxr 14079: }
14080:
1.1079 raeburn 14081: sub all_loncaparevs {
1.1172.2.39 raeburn 14082: return qw(1.1 1.2 1.3 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11);
1.1079 raeburn 14083: }
14084:
1.1172.2.27 raeburn 14085: # ------------------------------------------------------- Read loncaparev table
14086: {
14087: sub load_loncaparevs {
14088: if (-e "$perlvar{'lonTabDir'}/loncaparevs.tab") {
1.1172.2.96 raeburn 14089: if (open(my $config,"<","$perlvar{'lonTabDir'}/loncaparevs.tab")) {
1.1172.2.27 raeburn 14090: while (my $configline=<$config>) {
14091: chomp($configline);
14092: my ($hostid,$loncaparev)=split(/:/,$configline);
14093: $loncaparevs{$hostid}=$loncaparev;
14094: }
14095: close($config);
14096: }
14097: }
14098: }
14099: }
14100:
14101: # ----------------------------------------------------- Read serverhostID table
14102: {
14103: sub load_serverhomeIDs {
14104: if (-e "$perlvar{'lonTabDir'}/serverhomeIDs.tab") {
1.1172.2.96 raeburn 14105: if (open(my $config,"<","$perlvar{'lonTabDir'}/serverhomeIDs.tab")) {
1.1172.2.27 raeburn 14106: while (my $configline=<$config>) {
14107: chomp($configline);
14108: my ($name,$id)=split(/:/,$configline);
14109: $serverhomeIDs{$name}=$id;
14110: }
14111: close($config);
14112: }
14113: }
14114: }
14115: }
14116:
14117:
1.862 albertel 14118: BEGIN {
14119:
14120: # ----------------------------------- Read loncapa.conf and loncapa_apache.conf
14121: unless ($readit) {
14122: {
14123: my $configvars = LONCAPA::Configuration::read_conf('loncapa.conf');
14124: %perlvar = (%perlvar,%{$configvars});
14125: }
14126:
14127:
1.1 albertel 14128: # ------------------------------------------------------ Read spare server file
14129: {
1.1172.2.96 raeburn 14130: open(my $config,"<","$perlvar{'lonTabDir'}/spare.tab");
1.1 albertel 14131:
14132: while (my $configline=<$config>) {
14133: chomp($configline);
1.284 matthew 14134: if ($configline) {
1.784 albertel 14135: my ($host,$type) = split(':',$configline,2);
1.785 albertel 14136: if (!defined($type) || $type eq '') { $type = 'default' };
1.784 albertel 14137: push(@{ $spareid{$type} }, $host);
1.1 albertel 14138: }
14139: }
1.448 albertel 14140: close($config);
1.1 albertel 14141: }
1.11 www 14142: # ------------------------------------------------------------ Read permissions
14143: {
1.1172.2.96 raeburn 14144: open(my $config,"<","$perlvar{'lonTabDir'}/roles.tab");
1.11 www 14145:
14146: while (my $configline=<$config>) {
1.448 albertel 14147: chomp($configline);
14148: if ($configline) {
14149: my ($role,$perm)=split(/ /,$configline);
14150: if ($perm ne '') { $pr{$role}=$perm; }
14151: }
1.11 www 14152: }
1.448 albertel 14153: close($config);
1.11 www 14154: }
14155:
14156: # -------------------------------------------- Read plain texts for permissions
14157: {
1.1172.2.96 raeburn 14158: open(my $config,"<","$perlvar{'lonTabDir'}/rolesplain.tab");
1.11 www 14159:
14160: while (my $configline=<$config>) {
1.448 albertel 14161: chomp($configline);
14162: if ($configline) {
1.742 raeburn 14163: my ($short,@plain)=split(/:/,$configline);
14164: %{$prp{$short}} = ();
14165: if (@plain > 0) {
14166: $prp{$short}{'std'} = $plain[0];
14167: for (my $i=1; $i<@plain; $i++) {
14168: $prp{$short}{'alt'.$i} = $plain[$i];
14169: }
14170: }
1.448 albertel 14171: }
1.135 www 14172: }
1.448 albertel 14173: close($config);
1.135 www 14174: }
14175:
14176: # ---------------------------------------------------------- Read package table
14177: {
1.1172.2.96 raeburn 14178: open(my $config,"<","$perlvar{'lonTabDir'}/packages.tab");
1.135 www 14179:
14180: while (my $configline=<$config>) {
1.483 albertel 14181: if ($configline !~ /\S/ || $configline=~/^#/) { next; }
1.448 albertel 14182: chomp($configline);
14183: my ($short,$plain)=split(/:/,$configline);
14184: my ($pack,$name)=split(/\&/,$short);
14185: if ($plain ne '') {
14186: $packagetab{$pack.'&'.$name.'&name'}=$name;
14187: $packagetab{$short}=$plain;
14188: }
1.11 www 14189: }
1.448 albertel 14190: close($config);
1.329 matthew 14191: }
14192:
1.1172.2.27 raeburn 14193: # --------------------------------------------------------- Read loncaparev table
1.1073 raeburn 14194:
1.1172.2.27 raeburn 14195: &load_loncaparevs();
14196:
14197: # ------------------------------------------------------- Read serverhostID table
14198:
14199: &load_serverhomeIDs();
1.1074 raeburn 14200:
1.1172.2.27 raeburn 14201: # ---------------------------------------------------------- Read releaseslist XML
1.1079 raeburn 14202: {
14203: my $file = $Apache::lonnet::perlvar{'lonTabDir'}.'/releaseslist.xml';
14204: if (-e $file) {
14205: my $parser = HTML::LCParser->new($file);
14206: while (my $token = $parser->get_token()) {
14207: if ($token->[0] eq 'S') {
14208: my $item = $token->[1];
14209: my $name = $token->[2]{'name'};
14210: my $value = $token->[2]{'value'};
14211: if ($item ne '' && $name ne '' && $value ne '') {
14212: my $release = $parser->get_text();
14213: $release =~ s/(^\s*|\s*$ )//gx;
14214: $needsrelease{$item.':'.$name.':'.$value} = $release;
14215: }
14216: }
14217: }
14218: }
1.1073 raeburn 14219: }
14220:
1.1138 raeburn 14221: # ---------------------------------------------------------- Read managers table
14222: {
14223: if (-e "$perlvar{'lonTabDir'}/managers.tab") {
1.1172.2.96 raeburn 14224: if (open(my $config,"<","$perlvar{'lonTabDir'}/managers.tab")) {
1.1138 raeburn 14225: while (my $configline=<$config>) {
14226: chomp($configline);
14227: next if ($configline =~ /^\#/);
14228: if (($configline =~ /^[\w\-]+$/) || ($configline =~ /^[\w\-]+\:[\w\-]+$/)) {
14229: $managerstab{$configline} = 1;
14230: }
14231: }
14232: close($config);
14233: }
14234: }
14235: }
14236:
1.329 matthew 14237: # ------------- set up temporary directory
14238: {
1.1117 foxr 14239: $tmpdir = LONCAPA::tempdir();
1.329 matthew 14240:
1.11 www 14241: }
14242:
1.1172.2.104 raeburn 14243: # ------------- set default texengine (domain default overrides this)
14244: {
14245: $deftex = LONCAPA::texengine();
14246: }
14247:
1.1172.2.114 raeburn 14248: # ------------- set default minimum length for passwords for internal auth users
14249: {
14250: $passwdmin = LONCAPA::passwd_min();
14251: }
14252:
1.794 albertel 14253: $memcache=new Cache::Memcached({'servers' => ['127.0.0.1:11211'],
14254: 'compress_threshold'=> 20_000,
14255: });
1.185 www 14256:
1.281 www 14257: $processmarker='_'.time.'_'.$perlvar{'lonHostID'};
1.186 www 14258: $dumpcount=0;
1.958 www 14259: $locknum=0;
1.22 www 14260:
1.163 harris41 14261: &logtouch();
1.672 albertel 14262: &logthis('<font color="yellow">INFO: Read configuration</font>');
1.195 www 14263: $readit=1;
1.564 albertel 14264: {
14265: use integer;
14266: my $test=(2**32)+1;
1.568 albertel 14267: if ($test != 0) { $_64bit=1; } else { $_64bit=0; }
1.564 albertel 14268: &logthis(" Detected 64bit platform ($_64bit)");
14269: }
1.195 www 14270: }
1.1 albertel 14271: }
1.179 www 14272:
1.1 albertel 14273: 1;
1.191 harris41 14274: __END__
14275:
1.243 albertel 14276: =pod
14277:
1.191 harris41 14278: =head1 NAME
14279:
1.243 albertel 14280: Apache::lonnet - Subroutines to ask questions about things in the network.
1.191 harris41 14281:
14282: =head1 SYNOPSIS
14283:
1.243 albertel 14284: Invoked by other LON-CAPA modules, when they need to talk to or about objects in the network.
1.191 harris41 14285:
14286: &Apache::lonnet::SUBROUTINENAME(ARGUMENTS);
14287:
1.243 albertel 14288: Common parameters:
14289:
14290: =over 4
14291:
14292: =item *
14293:
14294: $uname : an internal username (if $cname expecting a course Id specifically)
14295:
14296: =item *
14297:
14298: $udom : a domain (if $cdom expecting a course's domain specifically)
14299:
14300: =item *
14301:
14302: $symb : a resource instance identifier
14303:
14304: =item *
14305:
14306: $namespace : the name of a .db file that contains the data needed or
14307: being set.
14308:
14309: =back
14310:
1.394 bowersj2 14311: =head1 OVERVIEW
1.191 harris41 14312:
1.394 bowersj2 14313: lonnet provides subroutines which interact with the
14314: lonc/lond (TCP) network layer of LON-CAPA. They can be used to ask
14315: about classes, users, and resources.
1.243 albertel 14316:
14317: For many of these objects you can also use this to store data about
14318: them or modify them in various ways.
1.191 harris41 14319:
1.394 bowersj2 14320: =head2 Symbs
1.191 harris41 14321:
1.394 bowersj2 14322: To identify a specific instance of a resource, LON-CAPA uses symbols
14323: or "symbs"X<symb>. These identifiers are built from the URL of the
14324: map, the resource number of the resource in the map, and the URL of
14325: the resource itself. The latter is somewhat redundant, but might help
14326: if maps change.
14327:
14328: An example is
14329:
14330: msu/korte/parts/part1.sequence___19___msu/korte/tests/part12.problem
14331:
14332: The respective map entry is
14333:
14334: <resource id="19" src="/res/msu/korte/tests/part12.problem"
14335: title="Problem 2">
14336: </resource>
14337:
14338: Symbs are used by the random number generator, as well as to store and
14339: restore data specific to a certain instance of for example a problem.
14340:
14341: =head2 Storing And Retrieving Data
14342:
14343: X<store()>X<cstore()>X<restore()>Three of the most important functions
14344: in C<lonnet.pm> are C<&Apache::lonnet::cstore()>,
14345: C<&Apache::lonnet:restore()>, and C<&Apache::lonnet::store()>, which
14346: is is the non-critical message twin of cstore. These functions are for
14347: handlers to store a perl hash to a user's permanent data space in an
14348: easy manner, and to retrieve it again on another call. It is expected
14349: that a handler would use this once at the beginning to retrieve data,
14350: and then again once at the end to send only the new data back.
14351:
14352: The data is stored in the user's data directory on the user's
14353: homeserver under the ID of the course.
14354:
14355: The hash that is returned by restore will have all of the previous
14356: value for all of the elements of the hash.
14357:
14358: Example:
14359:
14360: #creating a hash
14361: my %hash;
14362: $hash{'foo'}='bar';
14363:
14364: #storing it
14365: &Apache::lonnet::cstore(\%hash);
14366:
14367: #changing a value
14368: $hash{'foo'}='notbar';
14369:
14370: #adding a new value
14371: $hash{'bar'}='foo';
14372: &Apache::lonnet::cstore(\%hash);
14373:
14374: #retrieving the hash
14375: my %history=&Apache::lonnet::restore();
14376:
14377: #print the hash
14378: foreach my $key (sort(keys(%history))) {
14379: print("\%history{$key} = $history{$key}");
14380: }
14381:
14382: Will print out:
1.191 harris41 14383:
1.394 bowersj2 14384: %history{1:foo} = bar
14385: %history{1:keys} = foo:timestamp
14386: %history{1:timestamp} = 990455579
14387: %history{2:bar} = foo
14388: %history{2:foo} = notbar
14389: %history{2:keys} = foo:bar:timestamp
14390: %history{2:timestamp} = 990455580
14391: %history{bar} = foo
14392: %history{foo} = notbar
14393: %history{timestamp} = 990455580
14394: %history{version} = 2
14395:
14396: Note that the special hash entries C<keys>, C<version> and
14397: C<timestamp> were added to the hash. C<version> will be equal to the
14398: total number of versions of the data that have been stored. The
14399: C<timestamp> attribute will be the UNIX time the hash was
14400: stored. C<keys> is available in every historical section to list which
14401: keys were added or changed at a specific historical revision of a
14402: hash.
14403:
14404: B<Warning>: do not store the hash that restore returns directly. This
14405: will cause a mess since it will restore the historical keys as if the
14406: were new keys. I.E. 1:foo will become 1:1:foo etc.
1.191 harris41 14407:
1.394 bowersj2 14408: Calling convention:
1.191 harris41 14409:
1.1172.2.27 raeburn 14410: my %record=&Apache::lonnet::restore($symb,$courseid,$domain,$uname);
1.1172.2.64 raeburn 14411: &Apache::lonnet::cstore(\%newrecord,$symb,$courseid,$domain,$uname,$laststore);
1.191 harris41 14412:
1.394 bowersj2 14413: For more detailed information, see lonnet specific documentation.
1.191 harris41 14414:
1.394 bowersj2 14415: =head1 RETURN MESSAGES
1.191 harris41 14416:
1.394 bowersj2 14417: =over 4
1.191 harris41 14418:
1.394 bowersj2 14419: =item * B<con_lost>: unable to contact remote host
1.191 harris41 14420:
1.394 bowersj2 14421: =item * B<con_delayed>: unable to contact remote host, message will be delivered
14422: when the connection is brought back up
1.191 harris41 14423:
1.394 bowersj2 14424: =item * B<con_failed>: unable to contact remote host and unable to save message
14425: for later delivery
1.191 harris41 14426:
1.967 bisitz 14427: =item * B<error:>: an error a occurred, a description of the error follows the :
1.191 harris41 14428:
1.394 bowersj2 14429: =item * B<no_such_host>: unable to fund a host associated with the user/domain
1.243 albertel 14430: that was requested
1.191 harris41 14431:
1.243 albertel 14432: =back
1.191 harris41 14433:
1.243 albertel 14434: =head1 PUBLIC SUBROUTINES
1.191 harris41 14435:
1.243 albertel 14436: =head2 Session Environment Functions
1.191 harris41 14437:
1.243 albertel 14438: =over 4
1.191 harris41 14439:
1.394 bowersj2 14440: =item *
14441: X<appenv()>
1.949 raeburn 14442: B<appenv($hashref,$rolesarrayref)>: the value of %{$hashref} is written to
1.394 bowersj2 14443: the user envirnoment file, and will be restored for each access this
1.620 albertel 14444: user makes during this session, also modifies the %env for the current
1.949 raeburn 14445: process. Optional rolesarrayref - if defined contains a reference to an array
14446: of roles which are exempt from the restriction on modifying user.role entries
14447: in the user's environment.db and in %env.
1.191 harris41 14448:
14449: =item *
1.394 bowersj2 14450: X<delenv()>
1.987 raeburn 14451: B<delenv($delthis,$regexp)>: removes all items from the session
14452: environment file that begin with $delthis. If the
14453: optional second arg - $regexp - is true, $delthis is treated as a
14454: regular expression, otherwise \Q$delthis\E is used.
14455: The values are also deleted from the current processes %env.
1.191 harris41 14456:
1.795 albertel 14457: =item * get_env_multiple($name)
14458:
14459: gets $name from the %env hash, it seemlessly handles the cases where multiple
14460: values may be defined and end up as an array ref.
14461:
14462: returns an array of values
14463:
1.243 albertel 14464: =back
14465:
14466: =head2 User Information
1.191 harris41 14467:
1.243 albertel 14468: =over 4
1.191 harris41 14469:
14470: =item *
1.394 bowersj2 14471: X<queryauthenticate()>
14472: B<queryauthenticate($uname,$udom)>: try to determine user's current
1.191 harris41 14473: authentication scheme
14474:
14475: =item *
1.394 bowersj2 14476: X<authenticate()>
1.1073 raeburn 14477: B<authenticate($uname,$upass,$udom,$checkdefauth,$clientcancheckhost)>: try to
1.394 bowersj2 14478: authenticate user from domain's lib servers (first use the current
14479: one). C<$upass> should be the users password.
1.1073 raeburn 14480: $checkdefauth is optional (value is 1 if a check should be made to
14481: authenticate user using default authentication method, and allow
14482: account creation if username does not have account in the domain).
14483: $clientcancheckhost is optional (value is 1 if checking whether the
14484: server can host will occur on the client side in lonauth.pm).
1.191 harris41 14485:
14486: =item *
1.394 bowersj2 14487: X<homeserver()>
14488: B<homeserver($uname,$udom)>: find the server which has
14489: the user's directory and files (there must be only one), this caches
14490: the answer, and also caches if there is a borken connection.
1.191 harris41 14491:
14492: =item *
1.394 bowersj2 14493: X<idget()>
14494: B<idget($udom,@ids)>: find the usernames behind a list of IDs
14495: (IDs are a unique resource in a domain, there must be only 1 ID per
14496: username, and only 1 username per ID in a specific domain) (returns
14497: hash: id=>name,id=>name)
1.191 harris41 14498:
14499: =item *
1.394 bowersj2 14500: X<idrget()>
14501: B<idrget($udom,@unames)>: find the IDs behind a list of
14502: usernames (returns hash: name=>id,name=>id)
1.191 harris41 14503:
14504: =item *
1.394 bowersj2 14505: X<idput()>
14506: B<idput($udom,%ids)>: store away a list of names and associated IDs
1.191 harris41 14507:
14508: =item *
1.394 bowersj2 14509: X<rolesinit()>
1.1169 droeschl 14510: B<rolesinit($udom,$username)>: get user privileges.
14511: returns user role, first access and timer interval hashes
1.243 albertel 14512:
14513: =item *
1.1171 droeschl 14514: X<privileged()>
14515: B<privileged($username,$domain)>: returns a true if user has a
14516: privileged and active role (i.e. su or dc), false otherwise.
14517:
14518: =item *
1.551 albertel 14519: X<getsection()>
14520: B<getsection($udom,$uname,$cname)>: finds the section of student in the
1.243 albertel 14521: course $cname, return section name/number or '' for "not in course"
14522: and '-1' for "no section"
14523:
14524: =item *
1.394 bowersj2 14525: X<userenvironment()>
14526: B<userenvironment($udom,$uname,@what)>: gets the values of the keys
1.243 albertel 14527: passed in @what from the requested user's environment, returns a hash
14528:
1.858 raeburn 14529: =item *
14530: X<userlog_query()>
1.859 albertel 14531: B<userlog_query($uname,$udom,%filters)>: retrieves data from a user's
14532: activity.log file. %filters defines filters applied when parsing the
14533: log file. These can be start or end timestamps, or the type of action
14534: - log to look for Login or Logout events, check for Checkin or
14535: Checkout, role for role selection. The response is in the form
14536: timestamp1:hostid1:event1×tamp2:hostid2:event2 where events are
14537: escaped strings of the action recorded in the activity.log file.
1.858 raeburn 14538:
1.243 albertel 14539: =back
14540:
14541: =head2 User Roles
14542:
14543: =over 4
14544:
14545: =item *
14546:
1.1172.2.65 raeburn 14547: allowed($priv,$uri,$symb,$role,$clientip,$noblockcheck) : check for a user privilege;
14548: returns codes for allowed actions.
14549:
14550: The first argument is required, all others are optional.
14551:
14552: $priv is the privilege being checked.
14553: $uri contains additional information about what is being checked for access (e.g.,
14554: URL, course ID etc.).
14555: $symb is the unique resource instance identifier in a course; if needed,
14556: but not provided, it will be retrieved via a call to &symbread().
14557: $role is the role for which a priv is being checked (only used if priv is evb).
14558: $clientip is the user's IP address (only used when checking for access to portfolio
14559: files).
14560: $noblockcheck, if true, skips calls to &has_comm_blocking() for the bre priv. This
14561: prevents recursive calls to &allowed.
14562:
1.243 albertel 14563: F: full access
14564: U,I,K: authentication modes (cxx only)
14565: '': forbidden
14566: 1: user needs to choose course
14567: 2: browse allowed
1.766 albertel 14568: A: passphrase authentication needed
1.1172.2.65 raeburn 14569: B: access temporarily blocked because of a blocking event in a course.
1.243 albertel 14570:
14571: =item *
14572:
1.1172.2.13 raeburn 14573: constructaccess($url,$setpriv) : check for access to construction space URL
14574:
14575: See if the owner domain and name in the URL match those in the
14576: expected environment. If so, return three element list
14577: ($ownername,$ownerdomain,$ownerhome).
14578:
14579: Otherwise return the null string.
14580:
14581: If second argument 'setpriv' is true, it assigns the privileges,
14582: and returns the same three element list, unless the owner has
14583: blocked "ad hoc" Domain Coordinator access to the Author Space,
14584: in which case the null string is returned.
14585:
14586: =item *
14587:
1.1172.2.84 raeburn 14588: definerole($rolename,$sysrole,$domrole,$courole,$uname,$udom) : define role;
14589: define a custom role rolename set privileges in format of lonTabs/roles.tab
14590: for system, domain, and course level. $uname and $udom are optional (current
14591: user's username and domain will be used when either of $uname or $udom are absent.
1.243 albertel 14592:
14593: =item *
14594:
1.988 raeburn 14595: plaintext($short,$type,$cid,$forcedefault) : return value in %prp hash
14596: (rolesplain.tab); plain text explanation of a user role term.
1.1008 raeburn 14597: $type is Course (default) or Community.
1.988 raeburn 14598: If $forcedefault evaluates to true, text returned will be default
14599: text for $type. Otherwise, if this is a course, the text returned
14600: will be a custom name for the role (if defined in the course's
14601: environment). If no custom name is defined the default is returned.
14602:
1.832 raeburn 14603: =item *
14604:
1.1172.2.23 raeburn 14605: get_my_roles($uname,$udom,$context,$types,$roles,$roledoms,$withsec,$hidepriv) :
1.858 raeburn 14606: All arguments are optional. Returns a hash of a roles, either for
14607: co-author/assistant author roles for a user's Construction Space
1.906 albertel 14608: (default), or if $context is 'userroles', roles for the user himself,
1.933 raeburn 14609: In the hash, keys are set to colon-separated $uname,$udom,$role, and
14610: (optionally) if $withsec is true, a fourth colon-separated item - $section.
14611: For each key, value is set to colon-separated start and end times for
14612: the role. If no username and domain are specified, will default to
1.934 raeburn 14613: current user/domain. Types, roles, and roledoms are references to arrays
1.858 raeburn 14614: of role statuses (active, future or previous), roles
14615: (e.g., cc,in, st etc.) and domains of the roles which can be used
14616: to restrict the list of roles reported. If no array ref is
14617: provided for types, will default to return only active roles.
1.834 albertel 14618:
1.1172.2.13 raeburn 14619: =item *
14620:
14621: in_course($udom,$uname,$cdom,$cnum,$type,$hideprivileged) : determine if
14622: user: $uname:$udom has a role in the course: $cdom_$cnum.
14623:
14624: Additional optional arguments are: $type (if role checking is to be restricted
14625: to certain user status types -- previous (expired roles), active (currently
14626: available roles) or future (roles available in the future), and
14627: $hideprivileged -- if true will not report course roles for users who
1.1172.2.23 raeburn 14628: have active Domain Coordinator role in course's domain or in additional
14629: domains (specified in 'Domains to check for privileged users' in course
14630: environment -- set via: Course Settings -> Classlists and staff listing).
14631:
14632: =item *
14633:
14634: privileged($username,$domain,$possdomains,$possroles) : returns 1 if user
14635: $username:$domain is a privileged user (e.g., Domain Coordinator or Super User)
14636: $possdomains and $possroles are optional array refs -- to domains to check and
14637: roles to check. If $possdomains is not specified, a dump will be done of the
14638: users' roles.db to check for a dc or su role in any domain. This can be
14639: time consuming if &privileged is called repeatedly (e.g., when displaying a
14640: classlist), so in such cases, supplying a $possdomains array is preferred, as
14641: this then allows &privileged_by_domain() to be used, which caches the identity
14642: of privileged users, eliminating the need for repeated calls to &dump().
14643:
14644: =item *
14645:
14646: privileged_by_domain($possdomains,$roles) : returns a hash of a hash of a hash,
14647: where the outer hash keys are domains specified in the $possdomains array ref,
14648: next inner hash keys are privileged roles specified in the $roles array ref,
14649: and the innermost hash contains key = value pairs for username:domain = end:start
14650: for active or future "privileged" users with that role in that domain. To avoid
14651: repeated dumps of domain roles -- via &get_domain_roles() -- contents of the
14652: innerhash are cached using priv_$role and $dom as the identifiers.
1.1172.2.13 raeburn 14653:
1.243 albertel 14654: =back
14655:
14656: =head2 User Modification
14657:
14658: =over 4
14659:
14660: =item *
14661:
1.957 raeburn 14662: assignrole($udom,$uname,$url,$role,$end,$start,$deleteflag,$selfenroll,$context) : assign role; give a role to a
1.243 albertel 14663: user for the level given by URL. Optional start and end dates (leave empty
14664: string or zero for "no date")
1.191 harris41 14665:
14666: =item *
14667:
1.243 albertel 14668: changepass($uname,$udom,$currentpass,$newpass,$server) : attempts to
14669: change a users, password, possible return values are: ok,
14670: pwchange_failure, non_authorized, auth_mode_error, unknown_user,
14671: refused
1.191 harris41 14672:
14673: =item *
14674:
1.243 albertel 14675: modifyuserauth($udom,$uname,$umode,$upass) : modify user authentication
1.191 harris41 14676:
14677: =item *
14678:
1.1058 raeburn 14679: modifyuser($udom,$uname,$uid,$umode,$upass,$first,$middle,$last, $gene,
14680: $forceid,$desiredhome,$email,$inststatus,$candelete) :
14681:
14682: will update user information (firstname,middlename,lastname,generation,
14683: permanentemail), and if forceid is true, student/employee ID also.
14684: A user's institutional affiliation(s) can also be updated.
14685: User information fields will not be overwritten with empty entries
14686: unless the field is included in the $candelete array reference.
14687: This array is included when a single user is modified via "Manage Users",
14688: or when Autoupdate.pl is run by cron in a domain.
1.191 harris41 14689:
14690: =item *
14691:
1.286 matthew 14692: modifystudent
14693:
1.957 raeburn 14694: modify a student's enrollment and identification information.
1.1172.2.31 raeburn 14695: The course id is resolved based on the current user's environment.
14696: This means the invoking user must be a course coordinator or otherwise
1.286 matthew 14697: associated with a course.
14698:
1.297 matthew 14699: This call is essentially a wrapper for lonnet::modifyuser and
14700: lonnet::modify_student_enrollment
1.286 matthew 14701:
14702: Inputs:
14703:
14704: =over 4
14705:
1.957 raeburn 14706: =item B<$udom> Student's loncapa domain
1.286 matthew 14707:
1.957 raeburn 14708: =item B<$uname> Student's loncapa login name
1.286 matthew 14709:
1.964 bisitz 14710: =item B<$uid> Student/Employee ID
1.286 matthew 14711:
1.957 raeburn 14712: =item B<$umode> Student's authentication mode
1.286 matthew 14713:
1.957 raeburn 14714: =item B<$upass> Student's password
1.286 matthew 14715:
1.957 raeburn 14716: =item B<$first> Student's first name
1.286 matthew 14717:
1.957 raeburn 14718: =item B<$middle> Student's middle name
1.286 matthew 14719:
1.957 raeburn 14720: =item B<$last> Student's last name
1.286 matthew 14721:
1.957 raeburn 14722: =item B<$gene> Student's generation
1.286 matthew 14723:
1.957 raeburn 14724: =item B<$usec> Student's section in course
1.286 matthew 14725:
14726: =item B<$end> Unix time of the roles expiration
14727:
14728: =item B<$start> Unix time of the roles start date
14729:
14730: =item B<$forceid> If defined, allow $uid to be changed
14731:
14732: =item B<$desiredhome> server to use as home server for student
14733:
1.957 raeburn 14734: =item B<$email> Student's permanent e-mail address
14735:
14736: =item B<$type> Type of enrollment (auto or manual)
14737:
1.963 raeburn 14738: =item B<$locktype> boolean - enrollment type locked to prevent Autoenroll.pl changing manual to auto
14739:
14740: =item B<$cid> courseID - needed if a course role is assigned by a user whose current role is DC
1.957 raeburn 14741:
1.963 raeburn 14742: =item B<$selfenroll> boolean - 1 if user role change occurred via self-enrollment
1.957 raeburn 14743:
1.963 raeburn 14744: =item B<$context> role change context (shown in User Management Logs display in a course)
1.957 raeburn 14745:
1.1172.2.19 raeburn 14746: =item B<$inststatus> institutional status of user - : separated string of escaped status types
14747:
14748: =item B<$credits> Number of credits student will earn from this class - only needs to be supplied if value needs to be different from default credits for class.
1.957 raeburn 14749:
1.286 matthew 14750: =back
1.297 matthew 14751:
14752: =item *
14753:
14754: modify_student_enrollment
14755:
1.1172.2.31 raeburn 14756: Change a student's enrollment status in a class. The environment variable
1.297 matthew 14757: 'role.request.course' must be defined for this function to proceed.
14758:
14759: Inputs:
14760:
14761: =over 4
14762:
1.1172.2.31 raeburn 14763: =item $udom, student's domain
1.297 matthew 14764:
1.1172.2.31 raeburn 14765: =item $uname, student's name
1.297 matthew 14766:
1.1172.2.31 raeburn 14767: =item $uid, student's user id
1.297 matthew 14768:
1.1172.2.31 raeburn 14769: =item $first, student's first name
1.297 matthew 14770:
14771: =item $middle
14772:
14773: =item $last
14774:
14775: =item $gene
14776:
14777: =item $usec
14778:
14779: =item $end
14780:
14781: =item $start
14782:
1.957 raeburn 14783: =item $type
14784:
14785: =item $locktype
14786:
14787: =item $cid
14788:
14789: =item $selfenroll
14790:
14791: =item $context
14792:
1.1172.2.19 raeburn 14793: =item $credits, number of credits student will earn from this class
14794:
1.1172.2.76 raeburn 14795: =item $instsec, institutional course section code for student
14796:
1.297 matthew 14797: =back
14798:
1.191 harris41 14799:
14800: =item *
14801:
1.243 albertel 14802: assigncustomrole($udom,$uname,$url,$rdom,$rnam,$rolename,$end,$start) : assign
14803: custom role; give a custom role to a user for the level given by URL. Specify
14804: name and domain of role author, and role name
1.191 harris41 14805:
14806: =item *
14807:
1.243 albertel 14808: revokerole($udom,$uname,$url,$role) : revoke a role for url
1.191 harris41 14809:
14810: =item *
14811:
1.243 albertel 14812: revokecustomrole($udom,$uname,$url,$role) : revoke a custom role
14813:
14814: =back
14815:
14816: =head2 Course Infomation
14817:
14818: =over 4
1.191 harris41 14819:
14820: =item *
14821:
1.1118 foxr 14822: coursedescription($courseid,$options) : returns a hash of information about the
1.631 albertel 14823: specified course id, including all environment settings for the
14824: course, the description of the course will be in the hash under the
14825: key 'description'
1.191 harris41 14826:
1.1118 foxr 14827: $options is an optional parameter that if supplied is a hash reference that controls
14828: what how this function works. It has the following key/values:
14829:
14830: =over 4
14831:
14832: =item freshen_cache
14833:
14834: If defined, and the environment cache for the course is valid, it is
14835: returned in the returned hash.
14836:
14837: =item one_time
14838:
14839: If defined, the last cache time is set to _now_
14840:
14841: =item user
14842:
14843: If defined, the supplied username is used instead of the current user.
14844:
14845:
14846: =back
14847:
1.191 harris41 14848: =item *
14849:
1.624 albertel 14850: resdata($name,$domain,$type,@which) : request for current parameter
14851: setting for a specific $type, where $type is either 'course' or 'user',
14852: @what should be a list of parameters to ask about. This routine caches
1.1172.2.31 raeburn 14853: answers for 10 minutes.
1.243 albertel 14854:
1.877 foxr 14855: =item *
14856:
14857: get_courseresdata($courseid, $domain) : dump the entire course resource
14858: data base, returning a hash that is keyed by the resource name and has
14859: values that are the resource value. I believe that the timestamps and
14860: versions are also returned.
14861:
1.1172.2.31 raeburn 14862: get_numsuppfiles($cnum,$cdom) : retrieve number of files in a course's
14863: supplemental content area. This routine caches the number of files for
14864: 10 minutes.
14865:
1.243 albertel 14866: =back
14867:
14868: =head2 Course Modification
14869:
14870: =over 4
1.191 harris41 14871:
14872: =item *
14873:
1.243 albertel 14874: writecoursepref($courseid,%prefs) : write preferences (environment
14875: database) for a course
1.191 harris41 14876:
14877: =item *
14878:
1.1011 raeburn 14879: createcourse($udom,$description,$url,$course_server,$nonstandard,$inst_code,$course_owner,$crstype,$cnum) : make course
14880:
14881: =item *
14882:
1.1038 raeburn 14883: generate_coursenum($udom,$crstype) : get a unique (unused) course number in domain $udom for course type $crstype (Course or Community).
1.243 albertel 14884:
1.1167 droeschl 14885: =item *
14886:
14887: is_course($courseid), is_course($cdom, $cnum)
14888:
14889: Accepts either a combined $courseid (in the form of domain_courseid) or the
14890: two component version $cdom, $cnum. It checks if the specified course exists.
14891:
14892: Returns:
14893: undef if the course doesn't exist, otherwise
14894: in scalar context the combined courseid.
14895: in list context the two components of the course identifier, domain and
14896: courseid.
14897:
1.243 albertel 14898: =back
14899:
1.1172.2.109 raeburn 14900: =head2 Bubblesheet Configuration
14901:
14902: =over 4
14903:
14904: =item *
14905:
14906: get_scantron_config($which)
14907:
14908: $which - the name of the configuration to parse from the file.
14909:
14910: Parses and returns the bubblesheet configuration line selected as a
14911: hash of configuration file fields.
14912:
14913:
14914: Returns:
14915: If the named configuration is not in the file, an empty
14916: hash is returned.
14917:
14918: a hash with the fields
14919: name - internal name for the this configuration setup
14920: description - text to display to operator that describes this config
14921: CODElocation - if 0 or the string 'none'
14922: - no CODE exists for this config
14923: if -1 || the string 'letter'
14924: - a CODE exists for this config and is
14925: a string of letters
14926: Unsupported value (but planned for future support)
14927: if a positive integer
14928: - The CODE exists as the first n items from
14929: the question section of the form
14930: if the string 'number'
14931: - The CODE exists for this config and is
14932: a string of numbers
14933: CODEstart - (only matter if a CODE exists) column in the line where
14934: the CODE starts
14935: CODElength - length of the CODE
14936: IDstart - column where the student/employee ID starts
14937: IDlength - length of the student/employee ID info
14938: Qstart - column where the information from the bubbled
14939: 'questions' start
14940: Qlength - number of columns comprising a single bubble line from
14941: the sheet. (usually either 1 or 10)
14942: Qon - either a single character representing the character used
14943: to signal a bubble was chosen in the positional setup, or
14944: the string 'letter' if the letter of the chosen bubble is
14945: in the final, or 'number' if a number representing the
14946: chosen bubble is in the file (1->A 0->J)
14947: Qoff - the character used to represent that a bubble was
14948: left blank
14949: PaperID - if the scanning process generates a unique number for each
14950: sheet scanned the column that this ID number starts in
14951: PaperIDlength - number of columns that comprise the unique ID number
14952: for the sheet of paper
14953: FirstName - column that the first name starts in
14954: FirstNameLength - number of columns that the first name spans
14955: LastName - column that the last name starts in
14956: LastNameLength - number of columns that the last name spans
14957: BubblesPerRow - number of bubbles available in each row used to
14958: bubble an answer. (If not specified, 10 assumed).
14959:
14960:
14961: =item *
14962:
14963: get_scantronformat_file($cdom)
14964:
14965: $cdom - the course's domain (optional); if not supplied, uses
14966: domain for current $env{'request.course.id'}.
14967:
14968: Returns an array containing lines from the scantron format file for
14969: the domain of the course.
14970:
14971: If a url for a custom.tab file is listed in domain's configuration.db,
14972: lines are from this file.
14973:
14974: Otherwise, if a default.tab has been published in RES space by the
14975: domainconfig user, lines are from this file.
14976:
14977: Otherwise, fall back to getting lines from the legacy file on the
14978: local server: /home/httpd/lonTabs/default_scantronformat.tab
14979:
14980: =back
14981:
1.243 albertel 14982: =head2 Resource Subroutines
14983:
14984: =over 4
1.191 harris41 14985:
14986: =item *
14987:
1.243 albertel 14988: subscribe($fname) : subscribe to a resource, returns URL if possible (probably should use repcopy instead)
1.191 harris41 14989:
14990: =item *
14991:
1.243 albertel 14992: repcopy($filename) : subscribes to the requested file, and attempts to
14993: replicate from the owning library server, Might return
1.607 raeburn 14994: 'unavailable', 'not_found', 'forbidden', 'ok', or
14995: 'bad_request', also attempts to grab the metadata for the
1.243 albertel 14996: resource. Expects the local filesystem pathname
14997: (/home/httpd/html/res/....)
14998:
14999: =back
15000:
15001: =head2 Resource Information
15002:
15003: =over 4
1.191 harris41 15004:
15005: =item *
15006:
1.1172.2.28 raeburn 15007: EXT($varname,$symb,$udom,$uname,$usection,$recurse,$cid) : evaluates
15008: and returns the value of a variety of different possible values,
15009: $varname should be a request string, and the other parameters can be
15010: used to specify who and what one is asking about. Ordinarily, $cid
15011: does not need to be specified, as it is retrived from
15012: $env{'request.course.id'}, but &Apache::lonnet::EXT() is called
15013: within lonuserstate::loadmap() when initializing a course, before
15014: $env{'request.course.id'} has been set, so it needs to be provided
15015: in that one case.
1.243 albertel 15016:
15017: Possible values for $varname are environment.lastname (or other item
15018: from the envirnment hash), user.name (or someother aspect about the
15019: user), resource.0.maxtries (or some other part and parameter of a
15020: resource)
1.204 albertel 15021:
15022: =item *
15023:
1.243 albertel 15024: directcondval($number) : get current value of a condition; reads from a state
15025: string
1.204 albertel 15026:
15027: =item *
15028:
1.243 albertel 15029: condval($condidx) : value of condition index based on state
1.204 albertel 15030:
15031: =item *
15032:
1.243 albertel 15033: metadata($uri,$what,$liburi,$prefix,$depthcount) : request a
15034: resource's metadata, $what should be either a specific key, or either
15035: 'keys' (to get a list of possible keys) or 'packages' to get a list of
15036: packages that this resource currently uses, the last 3 arguments are only used internally for recursive metadata.
15037:
15038: this function automatically caches all requests
1.191 harris41 15039:
15040: =item *
15041:
1.243 albertel 15042: metadata_query($query,$custom,$customshow) : make a metadata query against the
15043: network of library servers; returns file handle of where SQL and regex results
15044: will be stored for query
1.191 harris41 15045:
15046: =item *
15047:
1.1172.2.66 raeburn 15048: symbread($filename,$donotrecurse,$ignorecachednull,$checkforblock,$possibles) :
15049: return symbolic list entry (all arguments optional).
15050:
15051: Args: filename is the filename (including path) for the file for which a symb
15052: is required; donotrecurse, if true will prevent calls to allowed() being made
15053: to check access status if more than one resource was found in the bighash
15054: (see rev. 1.249) to avoid an infinite loop if an ambiguous resource is part of
15055: a randompick); ignorecachednull, if true will prevent a symb of '' being
15056: returned if $env{$cache_str} is defined as ''; checkforblock if true will
15057: cause possible symbs to be checked to determine if they are subject to content
15058: blocking, if so they will not be included as possible symbs; possibles is a
15059: ref to a hash, which, as a side effect, will be populated with all possible
15060: symbs (content blocking not tested).
15061:
1.243 albertel 15062: returns the data handle
1.191 harris41 15063:
15064: =item *
15065:
1.1172.2.17 raeburn 15066: symbverify($symb,$thisfn,$encstate) : verifies that $symb actually exists
1.1172.2.11 raeburn 15067: and is a possible symb for the URL in $thisfn, and if is an encrypted
1.582 albertel 15068: resource that the user accessed using /enc/ returns a 1 on success, 0
1.1172.2.11 raeburn 15069: on failure, user must be in a course, as it assumes the existence of
15070: the course initial hash, and uses $env('request.course.id'}. The third
15071: arg is an optional reference to a scalar. If this arg is passed in the
15072: call to symbverify, it will be set to 1 if the symb has been set to be
15073: encrypted; otherwise it will be null.
1.243 albertel 15074:
1.191 harris41 15075: =item *
15076:
1.243 albertel 15077: symbclean($symb) : removes versions numbers from a symb, returns the
15078: cleaned symb
1.191 harris41 15079:
15080: =item *
15081:
1.243 albertel 15082: is_on_map($uri) : checks if the $uri is somewhere on the current
15083: course map, user must be in a course for it to work.
1.191 harris41 15084:
15085: =item *
15086:
1.243 albertel 15087: numval($salt) : return random seed value (addend for rndseed)
1.191 harris41 15088:
15089: =item *
15090:
1.243 albertel 15091: rndseed($symb,$courseid,$udom,$uname) : create a random sum; returns
15092: a random seed, all arguments are optional, if they aren't sent it uses the
15093: environment to derive them. Note: if symb isn't sent and it can't get one
15094: from &symbread it will use the current time as its return value
1.191 harris41 15095:
15096: =item *
15097:
1.243 albertel 15098: ireceipt($funame,$fudom,$fucourseid,$fusymb) : return unique,
15099: unfakeable, receipt
1.191 harris41 15100:
15101: =item *
15102:
1.620 albertel 15103: receipt() : API to ireceipt working off of env values; given out to users
1.191 harris41 15104:
15105: =item *
15106:
1.243 albertel 15107: countacc($url) : count the number of accesses to a given URL
1.191 harris41 15108:
15109: =item *
15110:
1.243 albertel 15111: checkout($symb,$tuname,$tudom,$tcrsid) : creates a record of a user having looked at an item, most likely printed out or otherwise using a resource
1.191 harris41 15112:
15113: =item *
15114:
1.243 albertel 15115: checkin($token) : updates that a resource has beeen returned (a hard copy version for instance) and returns the data that $token was Checkout with ($symb, $tuname, $tudom, and $tcrsid)
1.191 harris41 15116:
15117: =item *
15118:
1.243 albertel 15119: expirespread($uname,$udom,$stype,$usymb) : set expire date for spreadsheet
1.191 harris41 15120:
15121: =item *
15122:
1.243 albertel 15123: devalidate($symb) : devalidate temporary spreadsheet calculations,
15124: forcing spreadsheet to reevaluate the resource scores next time.
15125:
1.1172.2.13 raeburn 15126: =item *
15127:
15128: can_edit_resource($file,$cnum,$cdom,$resurl,$symb,$group) : determine if current user can edit a particular resource,
15129: when viewing in course context.
15130:
15131: input: six args -- filename (decluttered), course number, course domain,
15132: url, symb (if registered) and group (if this is a
15133: group item -- e.g., bulletin board, group page etc.).
15134:
15135: output: array of five scalars --
15136: $cfile -- url for file editing if editable on current server
15137: $home -- homeserver of resource (i.e., for author if published,
15138: or course if uploaded.).
15139: $switchserver -- 1 if server switch will be needed.
15140: $forceedit -- 1 if icon/link should be to go to edit mode
15141: $forceview -- 1 if icon/link should be to go to view mode
15142:
15143: =item *
15144:
15145: is_course_upload($file,$cnum,$cdom)
15146:
15147: Used in course context to determine if current file was uploaded to
15148: the course (i.e., would be found in /userfiles/docs on the course's
15149: homeserver.
15150:
15151: input: 3 args -- filename (decluttered), course number and course domain.
15152: output: boolean -- 1 if file was uploaded.
15153:
1.243 albertel 15154: =back
15155:
15156: =head2 Storing/Retreiving Data
15157:
15158: =over 4
1.191 harris41 15159:
15160: =item *
15161:
1.1172.2.64 raeburn 15162: store($storehash,$symb,$namespace,$udom,$uname,$laststore) : stores hash
15163: permanently for this url; hashref needs to be given and should be a \%hashname;
15164: the remaining args aren't required and if they aren't passed or are '' they will
15165: be derived from the env (with the exception of $laststore, which is an
15166: optional arg used when a user's submission is stored in grading).
15167: $laststore is $version=$timestamp, where $version is the most recent version
15168: number retrieved for the corresponding $symb in the $namespace db file, and
15169: $timestamp is the timestamp for that transaction (UNIX time).
15170: $laststore is currently only passed when cstore() is called by
15171: structuretags::finalize_storage().
1.191 harris41 15172:
15173: =item *
15174:
1.1172.2.64 raeburn 15175: cstore($storehash,$symb,$namespace,$udom,$uname,$laststore) : same as store
15176: but uses critical subroutine
1.191 harris41 15177:
15178: =item *
15179:
1.243 albertel 15180: restore($symb,$namespace,$udom,$uname) : returns hash for this symb;
15181: all args are optional
1.191 harris41 15182:
15183: =item *
15184:
1.717 albertel 15185: dumpstore($namespace,$udom,$uname,$regexp,$range) :
15186: dumps the complete (or key matching regexp) namespace into a hash
15187: ($udom, $uname, $regexp, $range are optional) for a namespace that is
15188: normally &store()ed into
15189:
15190: $range should be either an integer '100' (give me the first 100
15191: matching records)
15192: or be two integers sperated by a - with no spaces
15193: '30-50' (give me the 30th through the 50th matching
15194: records)
15195:
15196:
15197: =item *
15198:
1.1172.2.59 raeburn 15199: putstore($namespace,$symb,$version,$storehash,$udomain,$uname,$tolog) :
1.717 albertel 15200: replaces a &store() version of data with a replacement set of data
15201: for a particular resource in a namespace passed in the $storehash hash
1.1172.2.59 raeburn 15202: reference. If $tolog is true, the transaction is logged in the courselog
15203: with an action=PUTSTORE.
1.717 albertel 15204:
15205: =item *
15206:
1.243 albertel 15207: tmpstore($storehash,$symb,$namespace,$udom,$uname) : storage that
15208: works very similar to store/cstore, but all data is stored in a
15209: temporary location and can be reset using tmpreset, $storehash should
15210: be a hash reference, returns nothing on success
1.191 harris41 15211:
15212: =item *
15213:
1.243 albertel 15214: tmprestore($symb,$namespace,$udom,$uname) : storage that works very
15215: similar to restore, but all data is stored in a temporary location and
15216: can be reset using tmpreset. Returns a hash of values on success,
15217: error string otherwise.
1.191 harris41 15218:
15219: =item *
15220:
1.243 albertel 15221: tmpreset($symb,$namespace,$udom,$uname) : temporary storage reset,
15222: deltes all keys for $symb form the temporary storage hash.
1.191 harris41 15223:
15224: =item *
15225:
1.243 albertel 15226: get($namespace,$storearr,$udom,$uname) : returns hash with keys from array
15227: reference filled in from namesp ($udom and $uname are optional)
1.191 harris41 15228:
15229: =item *
15230:
1.243 albertel 15231: del($namespace,$storearr,$udom,$uname) : deletes keys out of array from
15232: namesp ($udom and $uname are optional)
1.191 harris41 15233:
15234: =item *
15235:
1.702 albertel 15236: dump($namespace,$udom,$uname,$regexp,$range) :
1.243 albertel 15237: dumps the complete (or key matching regexp) namespace into a hash
1.702 albertel 15238: ($udom, $uname, $regexp, $range are optional)
1.449 matthew 15239:
1.702 albertel 15240: $range should be either an integer '100' (give me the first 100
15241: matching records)
15242: or be two integers sperated by a - with no spaces
15243: '30-50' (give me the 30th through the 50th matching
15244: records)
1.449 matthew 15245: =item *
15246:
15247: inc($namespace,$store,$udom,$uname) : increments $store in $namespace.
15248: $store can be a scalar, an array reference, or if the amount to be
15249: incremented is > 1, a hash reference.
15250:
15251: ($udom and $uname are optional)
1.191 harris41 15252:
15253: =item *
15254:
1.243 albertel 15255: put($namespace,$storehash,$udom,$uname) : stores hash in namesp
15256: ($udom and $uname are optional)
1.191 harris41 15257:
15258: =item *
15259:
1.243 albertel 15260: cput($namespace,$storehash,$udom,$uname) : critical put
15261: ($udom and $uname are optional)
1.191 harris41 15262:
15263: =item *
15264:
1.748 albertel 15265: newput($namespace,$storehash,$udom,$uname) :
15266:
15267: Attempts to store the items in the $storehash, but only if they don't
15268: currently exist, if this succeeds you can be certain that you have
15269: successfully created a new key value pair in the $namespace db.
15270:
15271:
15272: Args:
15273: $namespace: name of database to store values to
15274: $storehash: hashref to store to the db
15275: $udom: (optional) domain of user containing the db
15276: $uname: (optional) name of user caontaining the db
15277:
15278: Returns:
15279: 'ok' -> succeeded in storing all keys of $storehash
15280: 'key_exists: <key>' -> failed to anything out of $storehash, as at
15281: least <key> already existed in the db (other
15282: requested keys may also already exist)
1.967 bisitz 15283: 'error: <msg>' -> unable to tie the DB or other error occurred
1.748 albertel 15284: 'con_lost' -> unable to contact request server
15285: 'refused' -> action was not allowed by remote machine
15286:
15287:
15288: =item *
15289:
1.243 albertel 15290: eget($namespace,$storearr,$udom,$uname) : returns hash with keys from array
15291: reference filled in from namesp (encrypts the return communication)
15292: ($udom and $uname are optional)
1.191 harris41 15293:
15294: =item *
15295:
1.243 albertel 15296: log($udom,$name,$home,$message) : write to permanent log for user; use
15297: critical subroutine
15298:
1.806 raeburn 15299: =item *
15300:
1.860 raeburn 15301: get_dom($namespace,$storearr,$udom,$uhome) : returns hash with keys from
15302: array reference filled in from namespace found in domain level on either
15303: specified domain server ($uhome) or primary domain server ($udom and $uhome are optional).
1.806 raeburn 15304:
15305: =item *
15306:
1.860 raeburn 15307: put_dom($namespace,$storehash,$udom,$uhome) : stores hash in namespace at
15308: domain level either on specified domain server ($uhome) or primary domain
15309: server ($udom and $uhome are optional)
1.806 raeburn 15310:
1.943 raeburn 15311: =item *
15312:
1.1172.2.35 raeburn 15313: get_domain_defaults($target_domain,$ignore_cache) : returns hash with defaults
15314: for: authentication, language, quotas, timezone, date locale, and portal URL in
15315: the target domain.
15316:
15317: May also include additional key => value pairs for the following groups:
15318:
15319: =over
15320:
15321: =item
15322: disk quotas (MB allocated by default to portfolios and authoring spaces).
15323:
15324: =over
15325:
15326: =item defaultquota, authorquota
15327:
15328: =back
15329:
15330: =item
15331: tools (availability of aboutme page, blog, webDAV access for authoring spaces,
15332: portfolio for users).
15333:
15334: =over
15335:
15336: =item
15337: aboutme, blog, webdav, portfolio
15338:
15339: =back
15340:
15341: =item
15342: requestcourses: ability to request courses, and how requests are processed.
15343:
15344: =over
15345:
15346: =item
1.1172.2.37 raeburn 15347: official, unofficial, community, textbook
1.1172.2.35 raeburn 15348:
15349: =back
15350:
15351: =item
15352: inststatus: types of institutional affiliation, and order in which they are displayed.
15353:
15354: =over
15355:
15356: =item
1.1172.2.44 raeburn 15357: inststatustypes, inststatusorder, inststatusguest
1.1172.2.35 raeburn 15358:
15359: =back
15360:
15361: =item
15362: coursedefaults: can PDF forms can be created, default credits for courses, default quotas (MB)
15363: for course's uploaded content.
15364:
15365: =over
15366:
15367: =item
1.1172.2.68 raeburn 15368: canuse_pdfforms, officialcredits, unofficialcredits, textbookcredits, officialquota, unofficialquota,
15369: communityquota, textbookquota
1.1172.2.35 raeburn 15370:
15371: =back
15372:
15373: =item
15374: usersessions: set options for hosting of your users in other domains, and hosting of users from other domains
15375: on your servers.
15376:
15377: =over
15378:
15379: =item
15380: remotesessions, hostedsessions
15381:
15382: =back
15383:
15384: =back
15385:
15386: In cases where a domain coordinator has never used the "Set Domain Configuration"
15387: utility to create a configuration.db file on a domain's primary library server
15388: only the following domain defaults: auth_def, auth_arg_def, lang_def
15389: -- corresponding values are authentication type (internal, krb4, krb5,
15390: or localauth), initial password or a kerberos realm, language (e.g., en-us) --
15391: will be available. Values are retrieved from cache (if current), unless the
15392: optional $ignore_cache arg is true, or from domain's configuration.db (if available),
15393: or lastly from values in lonTabs/dns_domain,tab, or lonTabs/domain.tab.
15394:
15395: Typical usage:
1.943 raeburn 15396:
1.1172.2.35 raeburn 15397: %domdefaults = &get_domain_defaults($target_domain);
1.943 raeburn 15398:
1.243 albertel 15399: =back
15400:
15401: =head2 Network Status Functions
15402:
15403: =over 4
1.191 harris41 15404:
15405: =item *
15406:
1.1137 raeburn 15407: dirlist() : return directory list based on URI (first arg).
15408:
15409: Inputs: 1 required, 5 optional.
15410:
15411: =over
15412:
15413: =item
15414: $uri - path to file in filesystem (starts: /res or /userfiles/). Required.
15415:
15416: =item
15417: $userdomain - domain of user/course to be listed. Extracted from $uri if absent.
15418:
15419: =item
15420: $username - username of user/course to be listed. Extracted from $uri if absent.
15421:
15422: =item
15423: $getpropath - boolean: 1 if prepend path using &propath().
15424:
15425: =item
15426: $getuserdir - boolean: 1 if prepend path for "userfiles".
15427:
15428: =item
15429: $alternateRoot - path to prepend in place of path from $uri.
15430:
15431: =back
15432:
15433: Returns: Array of up to two items.
15434:
15435: =over
15436:
15437: a reference to an array of files/subdirectories
15438:
15439: =over
15440:
15441: Each element in the array of files/subdirectories is a & separated list of
15442: item name and the result of running stat on the item. If dirlist was requested
15443: for a file instead of a directory, the item name will be ''. For a directory
15444: listing, if the item is a metadata file, the element will end &N&M
15445: (where N amd M are either 0 or 1, corresponding to obsolete set (1), or
15446: default copyright set (1).
15447:
15448: =back
15449:
15450: a scalar containing error condition (if encountered).
15451:
15452: =over
15453:
15454: =item
15455: no_host (no homeserver identified for $username:$domain).
15456:
15457: =item
15458: no_such_host (server contacted for listing not identified as valid host).
15459:
15460: =item
15461: con_lost (connection to remote server failed).
15462:
15463: =item
15464: refused (invalid $username:$domain received on lond side).
15465:
15466: =item
15467: no_such_dir (directory at specified path on lond side does not exist).
15468:
15469: =item
15470: empty (directory at specified path on lond side is empty).
15471:
15472: =over
15473:
15474: This is currently not encountered because the &ls3, &ls2,
15475: &ls (_handler) routines on the lond side do not filter out
15476: . and .. from a directory listing.
15477:
15478: =back
15479:
15480: =back
15481:
15482: =back
1.191 harris41 15483:
15484: =item *
15485:
1.243 albertel 15486: spareserver() : find server with least workload from spare.tab
15487:
1.986 foxr 15488:
15489: =item *
15490:
15491: host_from_dns($dns) : Returns the loncapa hostname corresponding to a DNS name or undef
15492: if there is no corresponding loncapa host.
15493:
1.243 albertel 15494: =back
15495:
1.986 foxr 15496:
1.243 albertel 15497: =head2 Apache Request
15498:
15499: =over 4
1.191 harris41 15500:
15501: =item *
15502:
1.243 albertel 15503: ssi($url,%hash) : server side include, does a complete request cycle on url to
15504: localhost, posts hash
15505:
15506: =back
15507:
15508: =head2 Data to String to Data
15509:
15510: =over 4
1.191 harris41 15511:
15512: =item *
15513:
1.243 albertel 15514: hash2str(%hash) : convert a hash into a string complete with escaping and '='
15515: and '&' separators, supports elements that are arrayrefs and hashrefs
1.191 harris41 15516:
15517: =item *
15518:
1.243 albertel 15519: hashref2str($hashref) : convert a hashref into a string complete with
15520: escaping and '=' and '&' separators, supports elements that are
15521: arrayrefs and hashrefs
1.191 harris41 15522:
15523: =item *
15524:
1.243 albertel 15525: arrayref2str($arrayref) : convert an arrayref into a string complete
15526: with escaping and '&' separators, supports elements that are arrayrefs
15527: and hashrefs
1.191 harris41 15528:
15529: =item *
15530:
1.243 albertel 15531: str2hash($string) : convert string to hash using unescaping and
15532: splitting on '=' and '&', supports elements that are arrayrefs and
15533: hashrefs
1.191 harris41 15534:
15535: =item *
15536:
1.243 albertel 15537: str2array($string) : convert string to hash using unescaping and
15538: splitting on '&', supports elements that are arrayrefs and hashrefs
15539:
15540: =back
15541:
15542: =head2 Logging Routines
15543:
15544:
15545: These routines allow one to make log messages in the lonnet.log and
15546: lonnet.perm logfiles.
1.191 harris41 15547:
1.1119 foxr 15548: =over 4
15549:
1.191 harris41 15550: =item *
15551:
1.243 albertel 15552: logtouch() : make sure the logfile, lonnet.log, exists
1.191 harris41 15553:
15554: =item *
15555:
1.243 albertel 15556: logthis() : append message to the normal lonnet.log file, it gets
15557: preiodically rolled over and deleted.
1.191 harris41 15558:
15559: =item *
15560:
1.243 albertel 15561: logperm() : append a permanent message to lonnet.perm.log, this log
15562: file never gets deleted by any automated portion of the system, only
15563: messages of critical importance should go in here.
15564:
1.1119 foxr 15565:
1.243 albertel 15566: =back
15567:
15568: =head2 General File Helper Routines
15569:
15570: =over 4
1.191 harris41 15571:
15572: =item *
15573:
1.481 raeburn 15574: getfile($file,$caller) : two cases - requests for files in /res or in /uploaded.
15575: (a) files in /uploaded
15576: (i) If a local copy of the file exists -
15577: compares modification date of local copy with last-modified date for
15578: definitive version stored on home server for course. If local copy is
15579: stale, requests a new version from the home server and stores it.
15580: If the original has been removed from the home server, then local copy
15581: is unlinked.
15582: (ii) If local copy does not exist -
15583: requests the file from the home server and stores it.
15584:
15585: If $caller is 'uploadrep':
15586: This indicates a call from lonuploadrep.pm (PerlHeaderParserHandler phase)
15587: for request for files originally uploaded via DOCS.
15588: - returns 'ok' if fresh local copy now available, -1 otherwise.
15589:
15590: Otherwise:
15591: This indicates a call from the content generation phase of the request.
15592: - returns the entire contents of the file or -1.
15593:
15594: (b) files in /res
15595: - returns the entire contents of a file or -1;
15596: it properly subscribes to and replicates the file if neccessary.
1.191 harris41 15597:
1.712 albertel 15598:
15599: =item *
15600:
15601: stat_file($url) : $url is expected to be a /res/ or /uploaded/ style file
15602: reference
15603:
15604: returns either a stat() list of data about the file or an empty list
15605: if the file doesn't exist or couldn't find out about it (connection
15606: problems or user unknown)
15607:
1.191 harris41 15608: =item *
15609:
1.243 albertel 15610: filelocation($dir,$file) : returns file system location of a file
15611: based on URI; meant to be "fairly clean" absolute reference, $dir is a
15612: directory that relative $file lookups are to looked in ($dir of /a/dir
15613: and a file of ../bob will become /a/bob)
1.191 harris41 15614:
15615: =item *
15616:
15617: hreflocation($dir,$file) : returns file system location or a URL; same as
15618: filelocation except for hrefs
15619:
15620: =item *
15621:
1.1172.2.49 raeburn 15622: declutter() : declutters URLs -- remove beginning slashes, 'res' etc.
15623: also removes beginning /home/httpd/html unless /priv/ follows it.
1.191 harris41 15624:
1.243 albertel 15625: =back
15626:
1.608 albertel 15627: =head2 Usererfile file routines (/uploaded*)
15628:
15629: =over 4
15630:
15631: =item *
15632:
15633: userfileupload(): main rotine for putting a file in a user or course's
15634: filespace, arguments are,
15635:
1.620 albertel 15636: formname - required - this is the name of the element in $env where the
1.608 albertel 15637: filename, and the contents of the file to create/modifed exist
1.620 albertel 15638: the filename is in $env{'form.'.$formname.'.filename'} and the
15639: contents of the file is located in $env{'form.'.$formname}
1.1090 raeburn 15640: context - if coursedoc, store the file in the course of the active role
15641: of the current user;
15642: if 'existingfile': store in 'overwrites' in /home/httpd/perl/tmp
15643: if 'canceloverwrite': delete file in tmp/overwrites directory
1.608 albertel 15644: subdir - required - subdirectory to put the file in under ../userfiles/
15645: if undefined, it will be placed in "unknown"
15646:
15647: (This routine calls clean_filename() to remove any dangerous
15648: characters from the filename, and then calls finuserfileupload() to
15649: complete the transaction)
15650:
15651: returns either the url of the uploaded file (/uploaded/....) if successful
15652: and /adm/notfound.html if unsuccessful
15653:
15654: =item *
15655:
15656: clean_filename(): routine for cleaing a filename up for storage in
15657: userfile space, argument is:
15658:
15659: filename - proposed filename
15660:
15661: returns: the new clean filename
15662:
15663: =item *
15664:
1.1090 raeburn 15665: finishuserfileupload(): routine that creates and sends the file to
1.608 albertel 15666: userspace, probably shouldn't be called directly
15667:
15668: docuname: username or courseid of destination for the file
15669: docudom: domain of user/course of destination for the file
15670: formname: same as for userfileupload()
1.1090 raeburn 15671: fname: filename (including subdirectories) for the file
15672: parser: if 'parse', will parse (html) file to extract references to objects, links etc.
1.1172.2.109 raeburn 15673: if hashref, and context is scantron, will convert csv format to standard format
1.1090 raeburn 15674: allfiles: reference to hash used to store objects found by parser
15675: codebase: reference to hash used for codebases of java objects found by parser
15676: thumbwidth: width (pixels) of thumbnail to be created for uploaded image
15677: thumbheight: height (pixels) of thumbnail to be created for uploaded image
15678: resizewidth: width to be used to resize image using resizeImage from ImageMagick
15679: resizeheight: height to be used to resize image using resizeImage from ImageMagick
15680: context: if 'overwrite', will move the uploaded file from its temporary location to
15681: userfiles to facilitate overwriting a previously uploaded file with same name.
1.1095 raeburn 15682: mimetype: reference to scalar to accommodate mime type determined
15683: from File::MMagic if $parser = parse.
1.608 albertel 15684:
15685: returns either the url of the uploaded file (/uploaded/....) if successful
1.1090 raeburn 15686: and /adm/notfound.html if unsuccessful (or an error message if context
15687: was 'overwrite').
15688:
1.608 albertel 15689:
15690: =item *
15691:
15692: renameuserfile(): renames an existing userfile to a new name
15693:
15694: Args:
15695: docuname: username or courseid of destination for the file
15696: docudom: domain of user/course of destination for the file
15697: old: current file name (including any subdirs under userfiles)
15698: new: desired file name (including any subdirs under userfiles)
15699:
15700: =item *
15701:
15702: mkdiruserfile(): creates a directory is a userfiles dir
15703:
15704: Args:
15705: docuname: username or courseid of destination for the file
15706: docudom: domain of user/course of destination for the file
15707: dir: dir to create (including any subdirs under userfiles)
15708:
15709: =item *
15710:
15711: removeuserfile(): removes a file that exists in userfiles
15712:
15713: Args:
15714: docuname: username or courseid of destination for the file
15715: docudom: domain of user/course of destination for the file
15716: fname: filname to delete (including any subdirs under userfiles)
15717:
15718: =item *
15719:
15720: removeuploadedurl(): convience function for removeuserfile()
15721:
15722: Args:
15723: url: a full /uploaded/... url to delete
15724:
1.747 albertel 15725: =item *
15726:
15727: get_portfile_permissions():
15728: Args:
15729: domain: domain of user or course contain the portfolio files
15730: user: name of user or num of course contain the portfolio files
15731: Returns:
15732: hashref of a dump of the proper file_permissions.db
15733:
15734:
15735: =item *
15736:
15737: get_access_controls():
15738:
15739: Args:
15740: current_permissions: the hash ref returned from get_portfile_permissions()
15741: group: (optional) the group you want the files associated with
15742: file: (optional) the file you want access info on
15743:
15744: Returns:
1.749 raeburn 15745: a hash (keys are file names) of hashes containing
15746: keys are: path to file/file_name\0uniqueID:scope_end_start (see below)
15747: values are XML containing access control settings (see below)
1.747 albertel 15748:
15749: Internal notes:
15750:
1.749 raeburn 15751: access controls are stored in file_permissions.db as key=value pairs.
15752: key -> path to file/file_name\0uniqueID:scope_end_start
15753: where scope -> public,guest,course,group,domains or users.
15754: end -> UNIX time for end of access (0 -> no end date)
15755: start -> UNIX time for start of access
15756:
15757: value -> XML description of access control
15758: <scope type=""> (type =1 of: public,guest,course,group,domains,users">
15759: <start></start>
15760: <end></end>
15761:
15762: <password></password> for scope type = guest
15763:
15764: <domain></domain> for scope type = course or group
15765: <number></number>
15766: <roles id="">
15767: <role></role>
15768: <access></access>
15769: <section></section>
15770: <group></group>
15771: </roles>
15772:
15773: <dom></dom> for scope type = domains
15774:
15775: <users> for scope type = users
15776: <user>
15777: <uname></uname>
15778: <udom></udom>
15779: </user>
15780: </users>
15781: </scope>
15782:
15783: Access data is also aggregated for each file in an additional key=value pair:
15784: key -> path to file/file_name\0accesscontrol
15785: value -> reference to hash
15786: hash contains key = value pairs
15787: where key = uniqueID:scope_end_start
15788: value = UNIX time record was last updated
15789:
15790: Used to improve speed of look-ups of access controls for each file.
15791:
15792: Locks on files (resulting from submission of portfolio file to a homework problem stored in array of arrays.
15793:
1.1172.2.13 raeburn 15794: =item *
15795:
1.749 raeburn 15796: modify_access_controls():
15797:
15798: Modifies access controls for a portfolio file
15799: Args
15800: 1. file name
15801: 2. reference to hash of required changes,
15802: 3. domain
15803: 4. username
15804: where domain,username are the domain of the portfolio owner
15805: (either a user or a course)
15806:
15807: Returns:
15808: 1. result of additions or updates ('ok' or 'error', with error message).
15809: 2. result of deletions ('ok' or 'error', with error message).
15810: 3. reference to hash of any new or updated access controls.
15811: 4. reference to hash used to map incoming IDs to uniqueIDs assigned to control.
15812: key = integer (inbound ID)
1.1172.2.13 raeburn 15813: value = uniqueID
15814:
15815: =item *
15816:
15817: get_timebased_id():
15818:
15819: Attempts to get a unique timestamp-based suffix for use with items added to a
15820: course via the Course Editor (e.g., folders, composite pages,
15821: group bulletin boards).
15822:
15823: Args: (first three required; six others optional)
15824:
15825: 1. prefix (alphanumeric): of keys in hash, e.g., suppsequence, docspage,
15826: docssequence, or name of group
15827:
15828: 2. keyid (alphanumeric): name of temporary locking key in hash,
15829: e.g., num, boardids
15830:
15831: 3. namespace: name of gdbm file used to store suffixes already assigned;
15832: file will be named nohist_namespace.db
15833:
15834: 4. cdom: domain of course; default is current course domain from %env
15835:
15836: 5. cnum: course number; default is current course number from %env
15837:
15838: 6. idtype: set to concat if an additional digit is to be appended to the
15839: unix timestamp to form the suffix, if the plain timestamp is already
15840: in use. Default is to not do this, but simply increment the unix
15841: timestamp by 1 until a unique key is obtained.
15842:
15843: 7. who: holder of locking key; defaults to user:domain for user.
15844:
15845: 8. locktries: number of attempts to obtain a lock (sleep of 1s before
15846: retrying); default is 3.
15847:
15848: 9. maxtries: number of attempts to obtain a unique suffix; default is 20.
15849:
15850: Returns:
15851:
15852: 1. suffix obtained (numeric)
15853:
15854: 2. result of deleting locking key (ok if deleted, or lock never obtained)
15855:
15856: 3. error: contains (localized) error message if an error occurred.
15857:
1.747 albertel 15858:
1.608 albertel 15859: =back
15860:
1.243 albertel 15861: =head2 HTTP Helper Routines
15862:
15863: =over 4
15864:
1.191 harris41 15865: =item *
15866:
15867: escape() : unpack non-word characters into CGI-compatible hex codes
15868:
15869: =item *
15870:
15871: unescape() : pack CGI-compatible hex codes into actual non-word ASCII character
15872:
1.243 albertel 15873: =back
15874:
15875: =head1 PRIVATE SUBROUTINES
15876:
15877: =head2 Underlying communication routines (Shouldn't call)
15878:
15879: =over 4
15880:
15881: =item *
15882:
15883: subreply() : tries to pass a message to lonc, returns con_lost if incapable
15884:
15885: =item *
15886:
15887: reply() : uses subreply to send a message to remote machine, logs all failures
15888:
15889: =item *
15890:
15891: critical() : passes a critical message to another server; if cannot
15892: get through then place message in connection buffer directory and
15893: returns con_delayed, if incapable of saving message, returns
15894: con_failed
15895:
15896: =item *
15897:
15898: reconlonc() : tries to reconnect lonc client processes.
15899:
15900: =back
15901:
15902: =head2 Resource Access Logging
15903:
15904: =over 4
15905:
15906: =item *
15907:
15908: flushcourselogs() : flush (save) buffer logs and access logs
15909:
15910: =item *
15911:
15912: courselog($what) : save message for course in hash
15913:
15914: =item *
15915:
15916: courseacclog($what) : save message for course using &courselog(). Perform
15917: special processing for specific resource types (problems, exams, quizzes, etc).
15918:
1.191 harris41 15919: =item *
15920:
15921: goodbye() : flush course logs and log shutting down; it is called in srm.conf
15922: as a PerlChildExitHandler
1.243 albertel 15923:
15924: =back
15925:
15926: =head2 Other
15927:
15928: =over 4
15929:
15930: =item *
15931:
15932: symblist($mapname,%newhash) : update symbolic storage links
1.191 harris41 15933:
15934: =back
15935:
15936: =cut
1.877 foxr 15937:
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