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version 1.190, 2001/12/12 23:34:14
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version 1.191, 2001/12/18 20:59:38
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Line 63
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Line 63
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| # 12/5 Matthew Hall |
# 12/5 Matthew Hall |
| # 12/5 Guy Albertelli |
# 12/5 Guy Albertelli |
| # 12/6,12/7,12/12 Gerd Kortemeyer |
# 12/6,12/7,12/12 Gerd Kortemeyer |
| |
# 12/18 Scott Harrison |
| # |
# |
| ### |
### |
| |
|
| # Functions for use by content handlers: |
|
| # |
|
| # metadata_query(sql-query-string,custom-metadata-regex) : |
|
| # returns file handle of where sql and |
|
| # regex results will be stored for query |
|
| # plaintext(short) : plain text explanation of short term |
|
| # fileembstyle(ext) : embed style in page for file extension |
|
| # filedescription(ext) : descriptor text for file extension |
|
| # allowed(short,url) : returns codes for allowed actions |
|
| # F: full access |
|
| # U,I,K: authentication modes (cxx only) |
|
| # '': forbidden |
|
| # 1: user needs to choose course |
|
| # 2: browse allowed |
|
| # definerole(rolename,sys,dom,cou) : define a custom role rolename |
|
| # set privileges in format of lonTabs/roles.tab for |
|
| # system, domain and course level, |
|
| # assignrole(udom,uname,url,role,end,start) : give a role to a user for the |
|
| # level given by url. Optional start and end dates |
|
| # (leave empty string or zero for "no date") |
|
| # assigncustomrole (udom,uname,url,rdom,rnam,rolename,end,start) : give a |
|
| # custom role to a user for the level given by url. |
|
| # Specify name and domain of role author, and role name |
|
| # revokerole (udom,uname,url,role) : Revoke a role for url |
|
| # revokecustomrole (udom,uname,url,rdom,rnam,rolename) : Revoke a custom role |
|
| # appenv(hash) : adds hash to session environment |
|
| # delenv(varname) : deletes all environment entries starting with varname |
|
| # store(hashref,symb,courseid,udom,uname) |
|
| # : stores hash permanently for this url |
|
| # hashref needs to be given, and should be a \%hashname |
|
| # the remaining args aren't required and if they aren't |
|
| # passed or are '' they will be derived from the ENV |
|
| # cstore(hashref,symb,courseid,udom,uname) |
|
| # : same as store but uses the critical interface to |
|
| # guarentee a store |
|
| # restore(symb,courseid,udom,uname) |
|
| # : returns hash for this symb, all args are optional |
|
| # if they aren't given they will be derived from the |
|
| # current enviroment |
|
| # |
|
| # |
|
| # for the next 6 functions udom and uname are optional |
|
| # if supplied they use udom as the domain and uname |
|
| # as the username for the function (supply a courseid |
|
| # for the uname if you want a course database) |
|
| # if not supplied it uses %ENV and looks at |
|
| # user. attribute for the values |
|
| # |
|
| # eget(namesp,arrayref,udom,uname) |
|
| # : returns hash with keys from array reference filled |
|
| # in from namesp (encrypts the return communication) |
|
| # get(namesp,arrayref,udom,uname) |
|
| # : returns hash with keys from array reference filled |
|
| # in from namesp |
|
| # dump(namesp,udom,uname) : dumps the complete namespace into a hash |
|
| # del(namesp,array,udom,uname) : deletes keys out of array from namesp |
|
| # put(namesp,hash,udom,uname) : stores hash in namesp |
|
| # cput(namesp,hash,udom,uname) : critical put |
|
| # |
|
| # |
|
| # ssi(url,hash) : does a complete request cycle on url to localhost, posts |
|
| # hash |
|
| # coursedescription(id) : returns and caches course description for id |
|
| # repcopy(filename) : replicate file |
|
| # dirlist(url) : gets a directory listing |
|
| # directcondval(index) : reading condition value of single condition from |
|
| # state string |
|
| # condval(index) : value of condition index based on state |
|
| # EXT(name) : value of a variable |
|
| # symblist(map,hash) : Updates symbolic storage links |
|
| # symbread([filename]) : returns the data handle (filename optional) |
|
| # rndseed([symb,courseid,domain,uname]) |
|
| # : returns a random seed, all arguments are optional, |
|
| # if they aren't sent it use the environment to derive |
|
| # them |
|
| # Note: if symb isn't sent and it can't get one from |
|
| # &symbread it will use the current time as it's return |
|
| # receipt() : returns a receipt to be given out to users |
|
| # getfile(filename) : returns the contents of filename, or a -1 if it can't |
|
| # be found, replicates and subscribes to the file |
|
| # filelocation(dir,file) : returns a fairly clean absolute reference to file |
|
| # from the directory dir |
|
| # hreflocation(dir,file) : same as filelocation, but for hrefs |
|
| # log(domain,user,home,msg) : write to permanent log for user |
|
| # usection(domain,user,courseid) : output of section name/number or '' for |
|
| # "not in course" and '-1' for "no section" |
|
| # userenvironment(domain,user,what) : puts out any environment parameter |
|
| # for a user |
|
| # idput(domain,hash) : writes IDs for users from hash (name=>id,name=>id) |
|
| # idget(domain,array): returns hash with usernames (id=>name,id=>name) for |
|
| # an array of IDs |
|
| # idrget(domain,array): returns hash with IDs for usernames (name=>id,...) for |
|
| # an array of names |
|
| # metadata(file,entry): returns the metadata entry for a file. entry='keys' |
|
| # returns a comma separated list of keys |
|
| # |
|
| |
|
| package Apache::lonnet; |
package Apache::lonnet; |
| |
|
| use strict; |
use strict; |
|
Line 325 sub critical {
|
Line 229 sub critical {
|
| |
|
| sub appenv { |
sub appenv { |
| my %newenv=@_; |
my %newenv=@_; |
| map { |
foreach (keys %newenv) { |
| if (($newenv{$_}=~/^user\.role/) || ($newenv{$_}=~/^user\.priv/)) { |
if (($newenv{$_}=~/^user\.role/) || ($newenv{$_}=~/^user\.priv/)) { |
| &logthis("<font color=blue>WARNING: ". |
&logthis("<font color=blue>WARNING: ". |
| "Attempt to modify environment ".$_." to ".$newenv{$_} |
"Attempt to modify environment ".$_." to ".$newenv{$_} |
|
Line 334 sub appenv {
|
Line 238 sub appenv {
|
| } else { |
} else { |
| $ENV{$_}=$newenv{$_}; |
$ENV{$_}=$newenv{$_}; |
| } |
} |
| } keys %newenv; |
} |
| |
|
| my $lockfh; |
my $lockfh; |
| unless ($lockfh=Apache::File->new("$ENV{'user.environment'}")) { |
unless ($lockfh=Apache::File->new("$ENV{'user.environment'}")) { |
|
Line 416 sub delenv {
|
Line 320 sub delenv {
|
| $fh->close(); |
$fh->close(); |
| return 'error: '.$!; |
return 'error: '.$!; |
| } |
} |
| map { |
foreach (@oldenv) { |
| unless ($_=~/^$delthis/) { print $fh $_; } |
unless ($_=~/^$delthis/) { print $fh $_; } |
| } @oldenv; |
} |
| $fh->close(); |
$fh->close(); |
| } |
} |
| return 'ok'; |
return 'ok'; |
|
Line 571 sub idget {
|
Line 475 sub idget {
|
| sub idrget { |
sub idrget { |
| my ($udom,@unames)=@_; |
my ($udom,@unames)=@_; |
| my %returnhash=(); |
my %returnhash=(); |
| map { |
foreach (@unames) { |
| $returnhash{$_}=(&userenvironment($udom,$_,'id'))[1]; |
$returnhash{$_}=(&userenvironment($udom,$_,'id'))[1]; |
| } @unames; |
} |
| return %returnhash; |
return %returnhash; |
| } |
} |
| |
|
|
Line 582 sub idrget {
|
Line 486 sub idrget {
|
| sub idput { |
sub idput { |
| my ($udom,%ids)=@_; |
my ($udom,%ids)=@_; |
| my %servers=(); |
my %servers=(); |
| map { |
foreach (keys %ids) { |
| my $uhom=&homeserver($_,$udom); |
my $uhom=&homeserver($_,$udom); |
| if ($uhom ne 'no_host') { |
if ($uhom ne 'no_host') { |
| my $id=&escape($ids{$_}); |
my $id=&escape($ids{$_}); |
|
Line 595 sub idput {
|
Line 499 sub idput {
|
| } |
} |
| &critical('put:'.$udom.':'.$unam.':environment:id='.$id,$uhom); |
&critical('put:'.$udom.':'.$unam.':environment:id='.$id,$uhom); |
| } |
} |
| } keys %ids; |
} |
| map { |
foreach (keys %servers) { |
| &critical('idput:'.$udom.':'.$servers{$_},$_); |
&critical('idput:'.$udom.':'.$servers{$_},$_); |
| } keys %servers; |
} |
| } |
} |
| |
|
| # ------------------------------------- Find the section of student in a course |
# ------------------------------------- Find the section of student in a course |
|
Line 607 sub usection {
|
Line 511 sub usection {
|
| my ($udom,$unam,$courseid)=@_; |
my ($udom,$unam,$courseid)=@_; |
| $courseid=~s/\_/\//g; |
$courseid=~s/\_/\//g; |
| $courseid=~s/^(\w)/\/$1/; |
$courseid=~s/^(\w)/\/$1/; |
| map { |
foreach (split(/\&/,&reply('dump:'.$udom.':'.$unam.':roles', |
| |
&homeserver($unam,$udom)))) { |
| my ($key,$value)=split(/\=/,$_); |
my ($key,$value)=split(/\=/,$_); |
| $key=&unescape($key); |
$key=&unescape($key); |
| if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) { |
if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) { |
|
Line 624 sub usection {
|
Line 529 sub usection {
|
| } |
} |
| unless ($notactive) { return $section; } |
unless ($notactive) { return $section; } |
| } |
} |
| } split(/\&/,&reply('dump:'.$udom.':'.$unam.':roles', |
} |
| &homeserver($unam,$udom))); |
|
| return '-1'; |
return '-1'; |
| } |
} |
| |
|
|
Line 754 sub log {
|
Line 658 sub log {
|
| |
|
| sub flushcourselogs { |
sub flushcourselogs { |
| &logthis('Flushing course log buffers'); |
&logthis('Flushing course log buffers'); |
| map { |
foreach (keys %courselogs) { |
| my $crsid=$_; |
my $crsid=$_; |
| if (&reply('log:'.$coursedombuf{$crsid}.':'. |
if (&reply('log:'.$coursedombuf{$crsid}.':'. |
| &escape($courselogs{$crsid}), |
&escape($courselogs{$crsid}), |
|
Line 768 sub flushcourselogs {
|
Line 672 sub flushcourselogs {
|
| delete $courselogs{$crsid}; |
delete $courselogs{$crsid}; |
| } |
} |
| } |
} |
| } keys %courselogs; |
} |
| &logthis('Flushing access logs'); |
&logthis('Flushing access logs'); |
| map { |
foreach (keys %accesshash) { |
| my $entry=$_; |
my $entry=$_; |
| $entry=~/\_\_\_(\w+)\/(\w+)\/(.*)\_\_\_(\w+)$/; |
$entry=~/\_\_\_(\w+)\/(\w+)\/(.*)\_\_\_(\w+)$/; |
| my %temphash=($entry => $accesshash{$entry}); |
my %temphash=($entry => $accesshash{$entry}); |
| if (&Apache::lonnet::put('resevaldata',\%temphash,$1,$2) eq 'ok') { |
if (&Apache::lonnet::put('resevaldata',\%temphash,$1,$2) eq 'ok') { |
| delete $accesshash{$entry}; |
delete $accesshash{$entry}; |
| } |
} |
| } keys %accesshash; |
} |
| $dumpcount++; |
$dumpcount++; |
| } |
} |
| |
|
|
Line 806 sub courseacclog {
|
Line 710 sub courseacclog {
|
| my $what=$fnsymb.':'.$ENV{'user.name'}.':'.$ENV{'user.domain'}; |
my $what=$fnsymb.':'.$ENV{'user.name'}.':'.$ENV{'user.domain'}; |
| if ($what=~/(problem|exam|quiz|assess|survey|form)$/) { |
if ($what=~/(problem|exam|quiz|assess|survey|form)$/) { |
| $what.=':POST'; |
$what.=':POST'; |
| map { |
foreach (keys %ENV) { |
| if ($_=~/^form\.(.*)/) { |
if ($_=~/^form\.(.*)/) { |
| $what.=':'.$1.'='.$ENV{$_}; |
$what.=':'.$1.'='.$ENV{$_}; |
| } |
} |
| } keys %ENV; |
} |
| } |
} |
| &courselog($what); |
&courselog($what); |
| } |
} |
|
Line 956 sub devalidate {
|
Line 860 sub devalidate {
|
| sub hash2str { |
sub hash2str { |
| my (%hash)=@_; |
my (%hash)=@_; |
| my $result=''; |
my $result=''; |
| map { $result.=escape($_).'='.escape($hash{$_}).'&'; } keys %hash; |
foreach (keys %hash) { $result.=escape($_).'='.escape($hash{$_}).'&'; } |
| $result=~s/\&$//; |
$result=~s/\&$//; |
| return $result; |
return $result; |
| } |
} |
|
Line 964 sub hash2str {
|
Line 868 sub hash2str {
|
| sub str2hash { |
sub str2hash { |
| my ($string) = @_; |
my ($string) = @_; |
| my %returnhash; |
my %returnhash; |
| map { |
foreach (split(/\&/,$string)) { |
| my ($name,$value)=split(/\=/,$_); |
my ($name,$value)=split(/\=/,$_); |
| $returnhash{&unescape($name)}=&unescape($value); |
$returnhash{&unescape($name)}=&unescape($value); |
| } split(/\&/,$string); |
} |
| return %returnhash; |
return %returnhash; |
| } |
} |
| |
|
|
Line 1117 sub store {
|
Line 1021 sub store {
|
| if (!$stuname) { $stuname=$ENV{'user.name'}; } |
if (!$stuname) { $stuname=$ENV{'user.name'}; } |
| if (!$home) { $home=$ENV{'user.home'}; } |
if (!$home) { $home=$ENV{'user.home'}; } |
| my $namevalue=''; |
my $namevalue=''; |
| map { |
foreach (keys %$storehash) { |
| $namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; |
$namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; |
| } keys %$storehash; |
} |
| $namevalue=~s/\&$//; |
$namevalue=~s/\&$//; |
| &courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue); |
&courselog($symb.':'.$stuname.':'.$domain.':STORE:'.$namevalue); |
| return reply("store:$domain:$stuname:$namespace:$symb:$namevalue","$home"); |
return reply("store:$domain:$stuname:$namespace:$symb:$namevalue","$home"); |
|
Line 1148 sub cstore {
|
Line 1052 sub cstore {
|
| if (!$home) { $home=$ENV{'user.home'}; } |
if (!$home) { $home=$ENV{'user.home'}; } |
| |
|
| my $namevalue=''; |
my $namevalue=''; |
| map { |
foreach (keys %$storehash) { |
| $namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; |
$namevalue.=escape($_).'='.escape($$storehash{$_}).'&'; |
| } keys %$storehash; |
} |
| $namevalue=~s/\&$//; |
$namevalue=~s/\&$//; |
| &courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue); |
&courselog($symb.':'.$stuname.':'.$domain.':CSTORE:'.$namevalue); |
| return critical |
return critical |
|
Line 1181 sub restore {
|
Line 1085 sub restore {
|
| my $answer=&reply("restore:$domain:$stuname:$namespace:$symb","$home"); |
my $answer=&reply("restore:$domain:$stuname:$namespace:$symb","$home"); |
| |
|
| my %returnhash=(); |
my %returnhash=(); |
| map { |
foreach (split(/\&/,$answer)) { |
| my ($name,$value)=split(/\=/,$_); |
my ($name,$value)=split(/\=/,$_); |
| $returnhash{&unescape($name)}=&unescape($value); |
$returnhash{&unescape($name)}=&unescape($value); |
| } split(/\&/,$answer); |
} |
| my $version; |
my $version; |
| for ($version=1;$version<=$returnhash{'version'};$version++) { |
for ($version=1;$version<=$returnhash{'version'};$version++) { |
| map { |
foreach (split(/\:/,$returnhash{$version.':keys'})) { |
| $returnhash{$_}=$returnhash{$version.':'.$_}; |
$returnhash{$_}=$returnhash{$version.':'.$_}; |
| } split(/\:/,$returnhash{$version.':keys'}); |
} |
| } |
} |
| return %returnhash; |
return %returnhash; |
| } |
} |
|
Line 1240 sub rolesinit {
|
Line 1144 sub rolesinit {
|
| my $thesestr; |
my $thesestr; |
| |
|
| if ($rolesdump ne '') { |
if ($rolesdump ne '') { |
| map { |
foreach (split(/&/,$rolesdump)) { |
| if ($_!~/^rolesdef\&/) { |
if ($_!~/^rolesdef\&/) { |
| my ($area,$role)=split(/=/,$_); |
my ($area,$role)=split(/=/,$_); |
| $area=~s/\_\w\w$//; |
$area=~s/\_\w\w$//; |
|
Line 1296 sub rolesinit {
|
Line 1200 sub rolesinit {
|
| } |
} |
| } |
} |
| } |
} |
| } split(/&/,$rolesdump); |
} |
| my $adv=0; |
my $adv=0; |
| my $author=0; |
my $author=0; |
| map { |
foreach (keys %allroles) { |
| %thesepriv=(); |
%thesepriv=(); |
| if (($_!~/^st/) && ($_!~/^ta/) && ($_!~/^cm/)) { $adv=1; } |
if (($_!~/^st/) && ($_!~/^ta/) && ($_!~/^cm/)) { $adv=1; } |
| if (($_=~/^au/) || ($_=~/^ca/)) { $author=1; } |
if (($_=~/^au/) || ($_=~/^ca/)) { $author=1; } |
| map { |
foreach (split(/:/,$allroles{$_})) { |
| if ($_ ne '') { |
if ($_ ne '') { |
| my ($privilege,$restrictions)=split(/&/,$_); |
my ($privilege,$restrictions)=split(/&/,$_); |
| if ($restrictions eq '') { |
if ($restrictions eq '') { |
|
Line 1314 sub rolesinit {
|
Line 1218 sub rolesinit {
|
| } |
} |
| } |
} |
| } |
} |
| } split(/:/,$allroles{$_}); |
} |
| $thesestr=''; |
$thesestr=''; |
| map { $thesestr.=':'.$_.'&'.$thesepriv{$_}; } keys %thesepriv; |
foreach (keys %thesepriv) { $thesestr.=':'.$_.'&'.$thesepriv{$_}; } |
| $userroles.='user.priv.'.$_.'='.$thesestr."\n"; |
$userroles.='user.priv.'.$_.'='.$thesestr."\n"; |
| } keys %allroles; |
} |
| $userroles.='user.adv='.$adv."\n". |
$userroles.='user.adv='.$adv."\n". |
| 'user.author='.$author."\n"; |
'user.author='.$author."\n"; |
| $ENV{'user.adv'}=$adv; |
$ENV{'user.adv'}=$adv; |
|
Line 1331 sub rolesinit {
|
Line 1235 sub rolesinit {
|
| sub get { |
sub get { |
| my ($namespace,$storearr,$udomain,$uname)=@_; |
my ($namespace,$storearr,$udomain,$uname)=@_; |
| my $items=''; |
my $items=''; |
| map { |
foreach (@$storearr) { |
| $items.=escape($_).'&'; |
$items.=escape($_).'&'; |
| } @$storearr; |
} |
| $items=~s/\&$//; |
$items=~s/\&$//; |
| if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
| if (!$uname) { $uname=$ENV{'user.name'}; } |
if (!$uname) { $uname=$ENV{'user.name'}; } |
|
Line 1343 sub get {
|
Line 1247 sub get {
|
| my @pairs=split(/\&/,$rep); |
my @pairs=split(/\&/,$rep); |
| my %returnhash=(); |
my %returnhash=(); |
| my $i=0; |
my $i=0; |
| map { |
foreach (@$storearr) { |
| $returnhash{$_}=unescape($pairs[$i]); |
$returnhash{$_}=unescape($pairs[$i]); |
| $i++; |
$i++; |
| } @$storearr; |
} |
| return %returnhash; |
return %returnhash; |
| } |
} |
| |
|
|
Line 1355 sub get {
|
Line 1259 sub get {
|
| sub del { |
sub del { |
| my ($namespace,$storearr,$udomain,$uname)=@_; |
my ($namespace,$storearr,$udomain,$uname)=@_; |
| my $items=''; |
my $items=''; |
| map { |
foreach (@$storearr) { |
| $items.=escape($_).'&'; |
$items.=escape($_).'&'; |
| } @$storearr; |
} |
| $items=~s/\&$//; |
$items=~s/\&$//; |
| if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
| if (!$uname) { $uname=$ENV{'user.name'}; } |
if (!$uname) { $uname=$ENV{'user.name'}; } |
|
Line 1376 sub dump {
|
Line 1280 sub dump {
|
| my $rep=reply("dump:$udomain:$uname:$namespace",$uhome); |
my $rep=reply("dump:$udomain:$uname:$namespace",$uhome); |
| my @pairs=split(/\&/,$rep); |
my @pairs=split(/\&/,$rep); |
| my %returnhash=(); |
my %returnhash=(); |
| map { |
foreach (@pairs) { |
| my ($key,$value)=split(/=/,$_); |
my ($key,$value)=split(/=/,$_); |
| $returnhash{unescape($key)}=unescape($value); |
$returnhash{unescape($key)}=unescape($value); |
| } @pairs; |
} |
| return %returnhash; |
return %returnhash; |
| } |
} |
| |
|
|
Line 1391 sub put {
|
Line 1295 sub put {
|
| if (!$uname) { $uname=$ENV{'user.name'}; } |
if (!$uname) { $uname=$ENV{'user.name'}; } |
| my $uhome=&homeserver($uname,$udomain); |
my $uhome=&homeserver($uname,$udomain); |
| my $items=''; |
my $items=''; |
| map { |
foreach (keys %$storehash) { |
| $items.=&escape($_).'='.&escape($$storehash{$_}).'&'; |
$items.=&escape($_).'='.&escape($$storehash{$_}).'&'; |
| } keys %$storehash; |
} |
| $items=~s/\&$//; |
$items=~s/\&$//; |
| return &reply("put:$udomain:$uname:$namespace:$items",$uhome); |
return &reply("put:$udomain:$uname:$namespace:$items",$uhome); |
| } |
} |
|
Line 1406 sub cput {
|
Line 1310 sub cput {
|
| if (!$uname) { $uname=$ENV{'user.name'}; } |
if (!$uname) { $uname=$ENV{'user.name'}; } |
| my $uhome=&homeserver($uname,$udomain); |
my $uhome=&homeserver($uname,$udomain); |
| my $items=''; |
my $items=''; |
| map { |
foreach (keys %$storehash) { |
| $items.=escape($_).'='.escape($$storehash{$_}).'&'; |
$items.=escape($_).'='.escape($$storehash{$_}).'&'; |
| } keys %$storehash; |
} |
| $items=~s/\&$//; |
$items=~s/\&$//; |
| return &critical("put:$udomain:$uname:$namespace:$items",$uhome); |
return &critical("put:$udomain:$uname:$namespace:$items",$uhome); |
| } |
} |
|
Line 1418 sub cput {
|
Line 1322 sub cput {
|
| sub eget { |
sub eget { |
| my ($namespace,$storearr,$udomain,$uname)=@_; |
my ($namespace,$storearr,$udomain,$uname)=@_; |
| my $items=''; |
my $items=''; |
| map { |
foreach (@$storearr) { |
| $items.=escape($_).'&'; |
$items.=escape($_).'&'; |
| } @$storearr; |
} |
| $items=~s/\&$//; |
$items=~s/\&$//; |
| if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
if (!$udomain) { $udomain=$ENV{'user.domain'}; } |
| if (!$uname) { $uname=$ENV{'user.name'}; } |
if (!$uname) { $uname=$ENV{'user.name'}; } |
|
Line 1429 sub eget {
|
Line 1333 sub eget {
|
| my @pairs=split(/\&/,$rep); |
my @pairs=split(/\&/,$rep); |
| my %returnhash=(); |
my %returnhash=(); |
| my $i=0; |
my $i=0; |
| map { |
foreach (@$storearr) { |
| $returnhash{$_}=unescape($pairs[$i]); |
$returnhash{$_}=unescape($pairs[$i]); |
| $i++; |
$i++; |
| } @$storearr; |
} |
| return %returnhash; |
return %returnhash; |
| } |
} |
| |
|
|
Line 1525 sub allowed {
|
Line 1429 sub allowed {
|
| my $refuri=$ENV{'httpref.'.$orguri}; |
my $refuri=$ENV{'httpref.'.$orguri}; |
| |
|
| unless ($refuri) { |
unless ($refuri) { |
| map { |
foreach (keys %ENV) { |
| if ($_=~/^httpref\..*\*/) { |
if ($_=~/^httpref\..*\*/) { |
| my $pattern=$_; |
my $pattern=$_; |
| $pattern=~s/^httpref\.\/res\///; |
$pattern=~s/^httpref\.\/res\///; |
|
Line 1535 sub allowed {
|
Line 1439 sub allowed {
|
| $refuri=$ENV{$_}; |
$refuri=$ENV{$_}; |
| } |
} |
| } |
} |
| } keys %ENV; |
} |
| } |
} |
| if ($refuri) { |
if ($refuri) { |
| $refuri=&declutter($refuri); |
$refuri=&declutter($refuri); |
|
Line 1691 sub allowed {
|
Line 1595 sub allowed {
|
| sub definerole { |
sub definerole { |
| if (allowed('mcr','/')) { |
if (allowed('mcr','/')) { |
| my ($rolename,$sysrole,$domrole,$courole)=@_; |
my ($rolename,$sysrole,$domrole,$courole)=@_; |
| map { |
foreach (split('/',$sysrole)) { |
| my ($crole,$cqual)=split(/\&/,$_); |
my ($crole,$cqual)=split(/\&/,$_); |
| if ($pr{'cr:s'}!~/$crole/) { return "refused:s:$crole"; } |
if ($pr{'cr:s'}!~/$crole/) { return "refused:s:$crole"; } |
| if ($pr{'cr:s'}=~/$crole\&/) { |
if ($pr{'cr:s'}=~/$crole\&/) { |
|
Line 1699 sub definerole {
|
Line 1603 sub definerole {
|
| return "refused:s:$crole&$cqual"; |
return "refused:s:$crole&$cqual"; |
| } |
} |
| } |
} |
| } split('/',$sysrole); |
} |
| map { |
foreach (split('/',$domrole)) { |
| my ($crole,$cqual)=split(/\&/,$_); |
my ($crole,$cqual)=split(/\&/,$_); |
| if ($pr{'cr:d'}!~/$crole/) { return "refused:d:$crole"; } |
if ($pr{'cr:d'}!~/$crole/) { return "refused:d:$crole"; } |
| if ($pr{'cr:d'}=~/$crole\&/) { |
if ($pr{'cr:d'}=~/$crole\&/) { |
|
Line 1708 sub definerole {
|
Line 1612 sub definerole {
|
| return "refused:d:$crole&$cqual"; |
return "refused:d:$crole&$cqual"; |
| } |
} |
| } |
} |
| } split('/',$domrole); |
} |
| map { |
foreach (split('/',$courole)) { |
| my ($crole,$cqual)=split(/\&/,$_); |
my ($crole,$cqual)=split(/\&/,$_); |
| if ($pr{'cr:c'}!~/$crole/) { return "refused:c:$crole"; } |
if ($pr{'cr:c'}!~/$crole/) { return "refused:c:$crole"; } |
| if ($pr{'cr:c'}=~/$crole\&/) { |
if ($pr{'cr:c'}=~/$crole\&/) { |
|
Line 1717 sub definerole {
|
Line 1621 sub definerole {
|
| return "refused:c:$crole&$cqual"; |
return "refused:c:$crole&$cqual"; |
| } |
} |
| } |
} |
| } split('/',$courole); |
} |
| my $command="encrypt:rolesput:$ENV{'user.domain'}:$ENV{'user.name'}:". |
my $command="encrypt:rolesput:$ENV{'user.domain'}:$ENV{'user.name'}:". |
| "$ENV{'user.domain'}:$ENV{'user.name'}:". |
"$ENV{'user.domain'}:$ENV{'user.name'}:". |
| "rolesdef_$rolename=". |
"rolesdef_$rolename=". |
|
Line 1755 sub plaintext {
|
Line 1659 sub plaintext {
|
| return $prp{$short}; |
return $prp{$short}; |
| } |
} |
| |
|
| # ------------------------------------------------------------- Embedding Style |
|
| |
|
| sub fileembstyle { |
|
| my $ending=lc(shift); |
|
| return $fe{$ending}; |
|
| } |
|
| |
|
| # ------------------------------------------------------------ Description Text |
|
| |
|
| sub filedescription { |
|
| my $ending=lc(shift); |
|
| return $fd{$ending}; |
|
| } |
|
| |
|
| # ----------------------------------------------------------------- Assign Role |
# ----------------------------------------------------------------- Assign Role |
| |
|
| sub assignrole { |
sub assignrole { |
|
Line 1937 sub writecoursepref {
|
Line 1827 sub writecoursepref {
|
| return 'error: no such course'; |
return 'error: no such course'; |
| } |
} |
| my $cstring=''; |
my $cstring=''; |
| map { |
foreach (keys %prefs) { |
| $cstring.=escape($_).'='.escape($prefs{$_}).'&'; |
$cstring.=escape($_).'='.escape($prefs{$_}).'&'; |
| } keys %prefs; |
} |
| $cstring=~s/\&$//; |
$cstring=~s/\&$//; |
| return reply('put:'.$cdomain.':'.$cnum.':environment:'.$cstring,$chome); |
return reply('put:'.$cdomain.':'.$cnum.':environment:'.$cstring,$chome); |
| } |
} |
|
Line 2028 sub dirlist {
|
Line 1918 sub dirlist {
|
| $tryserver); |
$tryserver); |
| if (($listing ne 'no_such_dir') && ($listing ne 'empty') |
if (($listing ne 'no_such_dir') && ($listing ne 'empty') |
| && ($listing ne 'con_lost')) { |
&& ($listing ne 'con_lost')) { |
| map { |
foreach (split(/:/,$listing)) { |
| my ($entry,@stat)=split(/&/,$_); |
my ($entry,@stat)=split(/&/,$_); |
| $allusers{$entry}=1; |
$allusers{$entry}=1; |
| } split(/:/,$listing); |
} |
| } |
} |
| } |
} |
| } |
} |
| my $alluserstr=''; |
my $alluserstr=''; |
| map { |
foreach (sort keys %allusers) { |
| $alluserstr.=$_.'&user:'; |
$alluserstr.=$_.'&user:'; |
| } sort keys %allusers; |
} |
| $alluserstr=~s/:$//; |
$alluserstr=~s/:$//; |
| return split(/:/,$alluserstr); |
return split(/:/,$alluserstr); |
| } |
} |
|
Line 2049 sub dirlist {
|
Line 1939 sub dirlist {
|
| $alldom{$hostdom{$tryserver}}=1; |
$alldom{$hostdom{$tryserver}}=1; |
| } |
} |
| my $alldomstr=''; |
my $alldomstr=''; |
| map { |
foreach (sort keys %alldom) { |
| $alldomstr.=$perlvar{'lonDocRoot'}.'/res/'.$_.'&domain:'; |
$alldomstr.=$perlvar{'lonDocRoot'}.'/res/'.$_.'&domain:'; |
| } sort keys %alldom; |
} |
| $alldomstr=~s/:$//; |
$alldomstr=~s/:$//; |
| return split(/:/,$alldomstr); |
return split(/:/,$alldomstr); |
| } |
} |
|
Line 2072 sub condval {
|
Line 1962 sub condval {
|
| my $condidx=shift; |
my $condidx=shift; |
| my $result=0; |
my $result=0; |
| my $allpathcond=''; |
my $allpathcond=''; |
| map { |
foreach (split(/\|/,$condidx)) { |
| if (defined($ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_})) { |
if (defined($ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_})) { |
| $allpathcond.= |
$allpathcond.= |
| '('.$ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_}.')|'; |
'('.$ENV{'acc.cond.'.$ENV{'request.course.id'}.'.'.$_}.')|'; |
| } |
} |
| } split(/\|/,$condidx); |
} |
| $allpathcond=~s/\|$//; |
$allpathcond=~s/\|$//; |
| if ($ENV{'request.course.id'}) { |
if ($ENV{'request.course.id'}) { |
| if ($allpathcond) { |
if ($allpathcond) { |
| my $operand='|'; |
my $operand='|'; |
| my @stack; |
my @stack; |
| map { |
foreach ($allpathcond=~/(\d+|\(|\)|\&|\|)/g) { |
| if ($_ eq '(') { |
if ($_ eq '(') { |
| push @stack,($operand,$result) |
push @stack,($operand,$result) |
| } elsif ($_ eq ')') { |
} elsif ($_ eq ')') { |
|
Line 2101 sub condval {
|
Line 1991 sub condval {
|
| $result=$result>$new?$new:$result; |
$result=$result>$new?$new:$result; |
| } else { |
} else { |
| $result=$result>$new?$result:$new; |
$result=$result>$new?$result:$new; |
| } |
} |
| } |
} |
| } ($allpathcond=~/(\d+|\(|\)|\&|\|)/g); |
} |
| } |
} |
| } |
} |
| return $result; |
return $result; |
|
Line 2237 sub EXT {
|
Line 2127 sub EXT {
|
| &escape($courselevelr).'&'.&escape($courselevelm).'&'.&escape($courselevel), |
&escape($courselevelr).'&'.&escape($courselevelm).'&'.&escape($courselevel), |
| $ENV{'course.'.$ENV{'request.course.id'}.'.home'}); |
$ENV{'course.'.$ENV{'request.course.id'}.'.home'}); |
| if ($reply!~/^error\:/) { |
if ($reply!~/^error\:/) { |
| map { |
foreach (split(/\&/,$reply)) { |
| if ($_) { return &unescape($_); } |
if ($_) { return &unescape($_); } |
| } split(/\&/,$reply); |
} |
| } |
} |
| if (($reply=~/^con_lost/) || ($reply=~/^error\:/)) { |
if (($reply=~/^con_lost/) || ($reply=~/^error\:/)) { |
| &logthis("<font color=blue>WARNING:". |
&logthis("<font color=blue>WARNING:". |
|
Line 2349 sub metadata {
|
Line 2239 sub metadata {
|
| } else { |
} else { |
| $metacache{$uri.':packages'}=$package.$keyroot; |
$metacache{$uri.':packages'}=$package.$keyroot; |
| } |
} |
| map { |
foreach (keys %packagetab) { |
| if ($_=~/^$package\&/) { |
if ($_=~/^$package\&/) { |
| my ($pack,$name,$subp)=split(/\&/,$_); |
my ($pack,$name,$subp)=split(/\&/,$_); |
| my $value=$packagetab{$_}; |
my $value=$packagetab{$_}; |
|
Line 2366 sub metadata {
|
Line 2256 sub metadata {
|
| $metacache{$uri.':'.$unikey.'.'.$subp}=$value; |
$metacache{$uri.':'.$unikey.'.'.$subp}=$value; |
| } |
} |
| } |
} |
| } keys %packagetab; |
} |
| } else { |
} else { |
| # |
# |
| # This is not a package - some other kind of start tag |
# This is not a package - some other kind of start tag |
|
Line 2396 sub metadata {
|
Line 2286 sub metadata {
|
| if (defined($depthcount)) { $depthcount++; } else |
if (defined($depthcount)) { $depthcount++; } else |
| { $depthcount=0; } |
{ $depthcount=0; } |
| if ($depthcount<20) { |
if ($depthcount<20) { |
| map { |
foreach (split(/\,/,&metadata($uri,'keys', |
| $metathesekeys{$_}=1; |
|
| } split(/\,/,&metadata($uri,'keys', |
|
| $parser->get_text('/import'),$unikey, |
$parser->get_text('/import'),$unikey, |
| $depthcount)); |
$depthcount))) { |
| |
$metathesekeys{$_}=1; |
| |
} |
| } |
} |
| } else { |
} else { |
| |
|
|
Line 2408 sub metadata {
|
Line 2298 sub metadata {
|
| $unikey.='_'.$token->[2]->{'name'}; |
$unikey.='_'.$token->[2]->{'name'}; |
| } |
} |
| $metathesekeys{$unikey}=1; |
$metathesekeys{$unikey}=1; |
| map { |
foreach (@{$token->[3]}) { |
| $metacache{$uri.':'.$unikey.'.'.$_}=$token->[2]->{$_}; |
$metacache{$uri.':'.$unikey.'.'.$_}=$token->[2]->{$_}; |
| } @{$token->[3]}; |
} |
| unless ( |
unless ( |
| $metacache{$uri.':'.$unikey}=$parser->get_text('/'.$entry) |
$metacache{$uri.':'.$unikey}=$parser->get_text('/'.$entry) |
| ) { $metacache{$uri.':'.$unikey}= |
) { $metacache{$uri.':'.$unikey}= |
|
Line 2439 sub symblist {
|
Line 2329 sub symblist {
|
| if (($ENV{'request.course.fn'}) && (%newhash)) { |
if (($ENV{'request.course.fn'}) && (%newhash)) { |
| if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', |
if (tie(%hash,'GDBM_File',$ENV{'request.course.fn'}.'_symb.db', |
| &GDBM_WRCREAT,0640)) { |
&GDBM_WRCREAT,0640)) { |
| map { |
foreach (keys %newhash) { |
| $hash{declutter($_)}=$mapname.'___'.$newhash{$_}; |
$hash{declutter($_)}=$mapname.'___'.$newhash{$_}; |
| } keys %newhash; |
} |
| if (untie(%hash)) { |
if (untie(%hash)) { |
| return 'ok'; |
return 'ok'; |
| } |
} |
|
Line 2496 sub symbread {
|
Line 2386 sub symbread {
|
| } else { |
} else { |
| # ------------------------------------------ There is more than one possibility |
# ------------------------------------------ There is more than one possibility |
| my $realpossible=0; |
my $realpossible=0; |
| map { |
foreach (@possibilities) { |
| my $file=$bighash{'src_'.$_}; |
my $file=$bighash{'src_'.$_}; |
| if (&allowed('bre',$file)) { |
if (&allowed('bre',$file)) { |
| my ($mapid,$resid)=split(/\./,$_); |
my ($mapid,$resid)=split(/\./,$_); |
|
Line 2506 sub symbread {
|
Line 2396 sub symbread {
|
| '___'.$resid; |
'___'.$resid; |
| } |
} |
| } |
} |
| } @possibilities; |
} |
| if ($realpossible!=1) { $syval=''; } |
if ($realpossible!=1) { $syval=''; } |
| } |
} |
| } |
} |
|
Line 2615 sub filelocation {
|
Line 2505 sub filelocation {
|
| |
|
| sub hreflocation { |
sub hreflocation { |
| my ($dir,$file)=@_; |
my ($dir,$file)=@_; |
| unless (($_=~/^http:\/\//i) || ($_=~/^\//)) { |
unless (($file=~/^http:\/\//i) || ($file=~/^\//)) { |
| my $finalpath=filelocation($dir,$file); |
my $finalpath=filelocation($dir,$file); |
| $finalpath=~s/^\/home\/httpd\/html//; |
$finalpath=~s/^\/home\/httpd\/html//; |
| return $finalpath; |
return $finalpath; |
|
Line 2762 $dumpcount=0;
|
Line 2652 $dumpcount=0;
|
| } |
} |
| |
|
| 1; |
1; |
| |
__END__ |
| |
|
| |
=head1 NAME |
| |
|
| |
Apache::lonnet - TCP networking package |
| |
|
| |
=head1 SYNOPSIS |
| |
|
| |
Invoked by other LON-CAPA modules. |
| |
|
| |
&Apache::lonnet::SUBROUTINENAME(ARGUMENTS); |
| |
|
| |
=head1 INTRODUCTION |
| |
|
| |
This module provides subroutines which interact with the |
| |
lonc/lond (TCP) network layer of LON-CAPA. |
| |
|
| |
This is part of the LearningOnline Network with CAPA project |
| |
described at http://www.lon-capa.org. |
| |
|
| |
=head1 HANDLER SUBROUTINE |
| |
|
| |
There is no handler routine for this module. |
| |
|
| |
=head1 OTHER SUBROUTINES |
| |
|
| |
=over 4 |
| |
|
| |
=item * |
| |
|
| |
logtouch() : make sure the logfile, lonnet.log, exists |
| |
|
| |
=item * |
| |
|
| |
logthis() : append message to lonnet.log |
| |
|
| |
=item * |
| |
|
| |
logperm() : append a permanent message to lonnet.perm.log |
| |
|
| |
=item * |
| |
|
| |
subreply() : non-critical communication, called by &reply |
| |
|
| |
=item * |
| |
|
| |
reply() : makes two attempts to pass message; logs refusals and rejections |
| |
|
| |
=item * |
| |
|
| |
reconlonc() : tries to reconnect lonc client processes. |
| |
|
| |
=item * |
| |
|
| |
critical() : passes a critical message to another server; if cannot get |
| |
through then place message in connection buffer |
| |
|
| |
=item * |
| |
|
| |
appenv(%hash) : read in current user environment, append new environment |
| |
values to make new user environment |
| |
|
| |
=item * |
| |
|
| |
delenv($varname) : read in current user environment, remove all values |
| |
beginning with $varname, write new user environment (note: flock is used |
| |
to prevent conflicting shared read/writes with file) |
| |
|
| |
=item * |
| |
|
| |
spareserver() : find server with least workload from spare.tab |
| |
|
| |
=item * |
| |
|
| |
queryauthenticate($uname,$udom) : try to determine user's current |
| |
authentication scheme |
| |
|
| |
=item * |
| |
|
| |
authenticate($uname,$upass,$udom) : try to authenticate user from domain's lib |
| |
servers (first use the current one) |
| |
|
| |
=item * |
| |
|
| |
homeserver($uname,$udom) : find the homebase for a user from domain's lib |
| |
servers |
| |
|
| |
=item * |
| |
|
| |
idget($udom,@ids) : find the usernames behind a list of IDs (returns hash: |
| |
id=>name,id=>name) |
| |
|
| |
=item * |
| |
|
| |
idrget($udom,@unames) : find the IDs behind a list of usernames (returns hash: |
| |
name=>id,name=>id) |
| |
|
| |
=item * |
| |
|
| |
idput($udom,%ids) : store away a list of names and associated IDs |
| |
|
| |
=item * |
| |
|
| |
usection($domain,$user,$courseid) : output of section name/number or '' for |
| |
"not in course" and '-1' for "no section" |
| |
|
| |
=item * |
| |
|
| |
userenvironment($domain,$user,$what) : puts out any environment parameter |
| |
for a user |
| |
|
| |
=item * |
| |
|
| |
subscribe($fname) : subscribe to a resource, return URL if possible |
| |
|
| |
=item * |
| |
|
| |
repcopy($filename) : replicate file |
| |
|
| |
=item * |
| |
|
| |
ssi($url,%hash) : server side include, does a complete request cycle on url to |
| |
localhost, posts hash |
| |
|
| |
=item * |
| |
|
| |
log($domain,$name,$home,$message) : write to permanent log for user; use |
| |
critical subroutine |
| |
|
| |
=item * |
| |
|
| |
flushcourselogs() : flush (save) buffer logs and access logs |
| |
|
| |
=item * |
| |
|
| |
courselog($what) : save message for course in hash |
| |
|
| |
=item * |
| |
|
| |
courseacclog($what) : save message for course using &courselog(). Perform |
| |
special processing for specific resource types (problems, exams, quizzes, etc). |
| |
|
| |
=item * |
| |
|
| |
countacc($url) : count the number of accesses to a given URL |
| |
|
| |
=item * |
| |
|
| |
sub checkout($symb,$tuname,$tudom,$tcrsid) : check out an item |
| |
|
| |
=item * |
| |
|
| |
sub checkin($token) : check in an item |
| |
|
| |
=item * |
| |
|
| |
sub expirespread($uname,$udom,$stype,$usymb) : set expire date for spreadsheet |
| |
|
| |
=item * |
| |
|
| |
devalidate($symb) : devalidate spreadsheets |
| |
|
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=item * |
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hash2str(%hash) : convert a hash into a string complete with escaping and '=' |
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and '&' separators |
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=item * |
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str2hash($string) : convert string to hash using unescaping and splitting on |
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'=' and '&' |
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|
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=item * |
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tmpreset($symb,$namespace,$domain,$stuname) : temporary storage |
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=item * |
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tmprestore($symb,$namespace,$domain,$stuname) : temporary restore |
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=item * |
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store($storehash,$symb,$namespace,$domain,$stuname) : stores hash permanently |
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for this url; hashref needs to be given and should be a \%hashname; the |
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remaining args aren't required and if they aren't passed or are '' they will |
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be derived from the ENV |
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|
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=item * |
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cstore($storehash,$symb,$namespace,$domain,$stuname) : same as store but |
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uses critical subroutine |
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|
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=item * |
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restore($symb,$namespace,$domain,$stuname) : returns hash for this symb; |
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all args are optional |
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|
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=item * |
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coursedescription($courseid) : course description |
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|
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=item * |
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rolesinit($domain,$username,$authhost) : get user privileges |
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=item * |
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get($namespace,$storearr,$udomain,$uname) : returns hash with keys from array |
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reference filled in from namesp ($udomain and $uname are optional) |
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|
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=item * |
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|
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del($namespace,$storearr,$udomain,$uname) : deletes keys out of array from |
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namesp ($udomain and $uname are optional) |
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|
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=item * |
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|
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dump($namespace,$udomain,$uname) : dumps the complete namespace into a hash |
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($udomain and $uname are optional) |
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|
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=item * |
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|
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put($namespace,$storehash,$udomain,$uname) : stores hash in namesp |
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($udomain and $uname are optional) |
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=item * |
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cput($namespace,$storehash,$udomain,$uname) : critical put |
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($udomain and $uname are optional) |
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|
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=item * |
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|
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eget($namespace,$storearr,$udomain,$uname) : returns hash with keys from array |
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reference filled in from namesp (encrypts the return communication) |
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($udomain and $uname are optional) |
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|
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=item * |
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|
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allowed($priv,$uri) : check for a user privilege; returns codes for allowed |
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actions |
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F: full access |
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U,I,K: authentication modes (cxx only) |
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'': forbidden |
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1: user needs to choose course |
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2: browse allowed |
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|
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=item * |
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definerole($rolename,$sysrole,$domrole,$courole) : define role; define a custom |
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role rolename set privileges in format of lonTabs/roles.tab for system, domain, |
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and course level |
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|
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=item * |
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|
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metadata_query($query,$custom,$customshow) : make a metadata query against the |
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network of library servers; returns file handle of where SQL and regex results |
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will be stored for query |
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|
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=item * |
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|
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plaintext($short) : return value in %prp hash (rolesplain.tab); plain text |
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explanation of a user role term |
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|
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=item * |
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|
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assignrole($udom,$uname,$url,$role,$end,$start) : assign role; give a role to a |
| |
user for the level given by URL. Optional start and end dates (leave empty |
| |
string or zero for "no date") |
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|
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=item * |
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|
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modifyuserauth($udom,$uname,$umode,$upass) : modify user authentication |
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|
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=item * |
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|
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modifyuser($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene) : |
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modify user |
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|
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=item * |
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|
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modifystudent($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec, |
| |
$end,$start) : modify student |
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|
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=item * |
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|
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writecoursepref($courseid,%prefs) : write preferences for a course |
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|
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=item * |
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|
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createcourse($udom,$description,$url) : make/modify course |
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|
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=item * |
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|
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assigncustomrole($udom,$uname,$url,$rdom,$rnam,$rolename,$end,$start) : assign |
| |
custom role; give a custom role to a user for the level given by URL. Specify |
| |
name and domain of role author, and role name |
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|
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=item * |
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|
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revokerole($udom,$uname,$url,$role) : revoke a role for url |
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|
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=item * |
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|
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revokecustomrole($udom,$uname,$url,$role) : revoke a custom role |
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|
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=item * |
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|
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dirlist($uri) : return directory list based on URI |
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|
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=item * |
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directcondval($number) : get current value of a condition; reads from a state |
| |
string |
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|
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=item * |
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|
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condval($condidx) : value of condition index based on state |
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|
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=item * |
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|
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EXT($varname,$symbparm) : value of a variable |
| |
|
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=item * |
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|
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metadata($uri,$what,$liburi,$prefix,$depthcount) : get metadata; returns the |
| |
metadata entry for a file; entry='keys', returns a comma separated list of keys |
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|
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=item * |
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|
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symblist($mapname,%newhash) : update symbolic storage links |
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|
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=item * |
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|
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symbread($filename) : return symbolic list entry (filename argument optional); |
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returns the data handle |
| |
|
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=item * |
| |
|
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numval($salt) : return random seed value (addend for rndseed) |
| |
|
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=item * |
| |
|
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rndseed($symb,$courseid,$domain,$username) : create a random sum; returns |
| |
a random seed, all arguments are optional, if they aren't sent it uses the |
| |
environment to derive them. Note: if symb isn't sent and it can't get one |
| |
from &symbread it will use the current time as its return value |
| |
|
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=item * |
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|
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ireceipt($funame,$fudom,$fucourseid,$fusymb) : return unique, |
| |
unfakeable, receipt |
| |
|
| |
=item * |
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|
| |
receipt() : API to ireceipt working off of ENV values; given out to users |
| |
|
| |
=item * |
| |
|
| |
getfile($file) : serves up a file, returns the contents of a file or -1; |
| |
replicates and subscribes to the file |
| |
|
| |
=item * |
| |
|
| |
filelocation($dir,$file) : returns file system location of a file based on URI; |
| |
meant to be "fairly clean" absolute reference |
| |
|
| |
=item * |
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hreflocation($dir,$file) : returns file system location or a URL; same as |
| |
filelocation except for hrefs |
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|
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=item * |
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|
| |
declutter() : declutters URLs (remove docroot, beginning slashes, 'res' etc) |
| |
|
| |
=item * |
| |
|
| |
escape() : unpack non-word characters into CGI-compatible hex codes |
| |
|
| |
=item * |
| |
|
| |
unescape() : pack CGI-compatible hex codes into actual non-word ASCII character |
| |
|
| |
=item * |
| |
|
| |
goodbye() : flush course logs and log shutting down; it is called in srm.conf |
| |
as a PerlChildExitHandler |
| |
|
| |
=back |
| |
|
| |
=cut |
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