1: # The LearningOnline Network with CAPA
2: # Publication Handler
3: #
4: # (TeX Content Handler
5: #
6: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
7: #
8: # 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
9:
10: package Apache::lonpublisher;
11:
12: use strict;
13: use Apache::File;
14: use File::Copy;
15: use Apache::Constants qw(:common :http :methods);
16: use HTML::TokeParser;
17: use Apache::lonxml;
18: use Apache::lonhomework;
19:
20: my %addid;
21: my %nokey;
22: my %language;
23: my %cprtag;
24:
25: my %metadatafields;
26: my %metadatakeys;
27:
28: my $docroot;
29:
30: # ----------------------------------------------- Evaluate string with metadata
31:
32: sub metaeval {
33: my $metastring=shift;
34:
35: my $parser=HTML::TokeParser->new(\$metastring);
36: my $token;
37: while ($token=$parser->get_token) {
38: if ($token->[0] eq 'S') {
39: my $entry=$token->[1];
40: my $unikey=$entry;
41: if (defined($token->[2]->{'part'})) {
42: $unikey.='_'.$token->[2]->{'part'};
43: }
44: if (defined($token->[2]->{'name'})) {
45: $unikey.='_'.$token->[2]->{'name'};
46: }
47: map {
48: $metadatafields{$unikey.'.'.$_}=$token->[2]->{$_};
49: if ($metadatakeys{$unikey}) {
50: $metadatakeys{$unikey}.=','.$_;
51: } else {
52: $metadatakeys{$unikey}=$_;
53: }
54: } @{$token->[3]};
55: if ($metadatafields{$unikey}) {
56: my $newentry=$parser->get_text('/'.$entry);
57: unless ($metadatafields{$unikey}=~/$newentry/) {
58: $metadatafields{$unikey}.=', '.$newentry;
59: }
60: } else {
61: $metadatafields{$unikey}=$parser->get_text('/'.$entry);
62: }
63: }
64: }
65: }
66:
67: # -------------------------------------------------------- Read a metadata file
68:
69: sub metaread {
70: my ($logfile,$fn)=@_;
71: unless (-e $fn) {
72: print $logfile 'No file '.$fn."\n";
73: return '<br><b>No file:</b> <tt>'.$fn.'</tt>';
74: }
75: print $logfile 'Processing '.$fn."\n";
76: my $metastring;
77: {
78: my $metafh=Apache::File->new($fn);
79: $metastring=join('',<$metafh>);
80: }
81: &metaeval($metastring);
82: return '<br><b>Processed file:</b> <tt>'.$fn.'</tt>';
83: }
84:
85: # --------------------------------------------------------- Various form fields
86:
87: sub textfield {
88: my ($title,$name,$value)=@_;
89: return "\n<p><b>$title:</b><br>".
90: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
91: }
92:
93: sub hiddenfield {
94: my ($name,$value)=@_;
95: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
96: }
97:
98: sub selectbox {
99: my ($title,$name,$value,%options)=@_;
100: my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
101: map {
102: $selout.='<option value="'.$_.'"';
103: if ($_ eq $value) { $selout.=' selected'; }
104: $selout.='>'.$options{$_}.'</option>';
105: } sort keys %options;
106: return $selout.'</select>';
107: }
108:
109: # -------------------------------------------------------- Publication Step One
110:
111: sub publish {
112:
113: my ($source,$target,$style)=@_;
114: my $logfile;
115: my $scrout='';
116:
117: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
118: return
119: '<font color=red>No write permission to user directory, FAIL</font>';
120: }
121: print $logfile
122: "\n\n================= Publish ".localtime()." Phase One ================\n";
123:
124: if (($style eq 'ssi') || ($style eq 'rat')) {
125: # ------------------------------------------------------- This needs processing
126:
127: # ----------------------------------------------------------------- Backup Copy
128: my $copyfile=$source.'.save';
129: if (copy($source,$copyfile)) {
130: print $logfile "Copied original file to ".$copyfile."\n";
131: } else {
132: print $logfile "Unable to write backup ".$copyfile.':'.$!."\n";
133: return "<font color=red>Failed to write backup copy, $!,FAIL</font>";
134: }
135: # ------------------------------------------------------------- IDs and indices
136:
137: my $maxindex=10;
138: my $maxid=10;
139: my $content='';
140: my $needsfixup=0;
141:
142: {
143: my $org=Apache::File->new($source);
144: $content=join('',<$org>);
145: }
146: {
147: my $parser=HTML::TokeParser->new(\$content);
148: my $token;
149: while ($token=$parser->get_token) {
150: if ($token->[0] eq 'S') {
151: my $counter;
152: if ($counter=$addid{$token->[1]}) {
153: if ($counter eq 'id') {
154: if (defined($token->[2]->{'id'})) {
155: $maxid=
156: ($token->[2]->{'id'}>$maxid)?$token->[2]->{'id'}:$maxid;
157: } else {
158: $needsfixup=1;
159: }
160: } else {
161: if (defined($token->[2]->{'index'})) {
162: $maxindex=
163: ($token->[2]->{'index'}>$maxindex)?$token->[2]->{'index'}:$maxindex;
164: } else {
165: $needsfixup=1;
166: }
167: }
168: }
169: }
170: }
171: }
172: if ($needsfixup) {
173: print $logfile "Needs ID and/or index fixup\n".
174: "Max ID : $maxid (min 10)\n".
175: "Max Index: $maxindex (min 10)\n";
176:
177: my $outstring='';
178: my $parser=HTML::TokeParser->new(\$content);
179: my $token;
180: while ($token=$parser->get_token) {
181: if ($token->[0] eq 'S') {
182: my $counter;
183: if ($counter=$addid{$token->[1]}) {
184: if ($counter eq 'id') {
185: if (defined($token->[2]->{'id'})) {
186: $outstring.=$token->[4];
187: } else {
188: $maxid++;
189: my $thisid=' id="'.$maxid.'"';
190: my $fixup=$token->[4];
191: $fixup=~s/(\<\w+)/$1$thisid/;
192: $outstring.=$fixup;
193: print $logfile 'ID: '.$fixup."\n";
194: }
195: } else {
196: if (defined($token->[2]->{'index'})) {
197: $outstring.=$token->[4];
198: } else {
199: $maxindex++;
200: my $thisindex=' index="'.$maxindex.'"';
201: my $fixup=$token->[4];
202: $fixup=~s/(\<\w+)/$1$thisindex/;
203: $outstring.=$fixup;
204: print $logfile 'Index: '.$fixup."\n";
205: }
206: }
207: } else {
208: $outstring.=$token->[4];
209: }
210: } elsif ($token->[0] eq 'E') {
211: $outstring.=$token->[2];
212: } else {
213: $outstring.=$token->[1];
214: }
215: }
216: {
217: my $org;
218: unless ($org=Apache::File->new('>'.$source)) {
219: print $logfile "No write permit to $source\n";
220: return
221: "<font color=red>No write permission to $source, FAIL</font>";
222: }
223: print $org $outstring;
224: }
225: $content=$outstring;
226: print $logfile "End of ID and/or index fixup\n".
227: "Max ID : $maxid (min 10)\n".
228: "Max Index: $maxindex (min 10)\n";
229: } else {
230: print $logfile "Does not need ID and/or index fixup\n";
231: }
232:
233: # --------------------------------------------- Initial step done, now metadata
234:
235: # ---------------------------------------- Storage for metadata keys and fields
236:
237: %metadatafields=();
238: %metadatakeys=();
239:
240: my %oldparmstores=();
241:
242: # ------------------------------------------------ First, check out environment
243: unless (-e $source.'.meta') {
244: $metadatafields{'author'}=$ENV{'environment.firstname'}.' '.
245: $ENV{'environment.middlename'}.' '.
246: $ENV{'environment.lastname'}.' '.
247: $ENV{'environment.generation'};
248: $metadatafields{'author'}=~s/\s+/ /g;
249: $metadatafields{'author'}=~s/\s+$//;
250: $metadatafields{'owner'}=$ENV{'user.name'}.'@'.$ENV{'user.domain'};
251:
252: # ------------------------------------------------ Check out directory hierachy
253:
254: my $thisdisfn=$source;
255: $thisdisfn=~s/^\/home\/$ENV{'user.name'}\///;
256:
257: my @urlparts=split(/\//,$thisdisfn);
258: $#urlparts--;
259:
260: my $currentpath='/home/'.$ENV{'user.name'}.'/';
261:
262: map {
263: $currentpath.=$_.'/';
264: $scrout.=&metaread($logfile,$currentpath.'default.meta');
265: } @urlparts;
266:
267: # ------------------- Clear out parameters and stores (there should not be any)
268:
269: map {
270: if (($_=~/^parameter/) || ($_=~/^stores/)) {
271: delete $metadatafields{$_};
272: }
273: } keys %metadatafields;
274:
275: } else {
276: # ---------------------- Read previous metafile, remember parameters and stores
277:
278: $scrout.=&metaread($logfile,$source.'.meta');
279:
280: map {
281: if (($_=~/^parameter/) || ($_=~/^stores/)) {
282: $oldparmstores{$_}=1;
283: delete $metadatafields{$_};
284: }
285: } keys %metadatafields;
286:
287: }
288:
289: # -------------------------------------------------- Parse content for metadata
290:
291: my $allmeta=Apache::lonxml::xmlparse('meta',$content);
292: &metaeval($allmeta);
293:
294: # ---------------- Find and document discrepancies in the parameters and stores
295:
296: my $chparms='';
297: map {
298: if (($_=~/^parameter/) || ($_=~/^stores/)) {
299: unless ($_=~/\.\w+$/) {
300: unless ($oldparmstores{$_}) {
301: print $logfile 'New: '.$_."\n";
302: $chparms.=$_.' ';
303: }
304: }
305: }
306: } sort keys %metadatafields;
307: if ($chparms) {
308: $scrout.='<p><b>New parameters or stored values:</b> '.
309: $chparms;
310: }
311:
312: my $chparms='';
313: map {
314: if (($_=~/^parameter/) || ($_=~/^stores/)) {
315: unless (($metadatafields{$_.'.name'}) || ($_=~/\.\w+$/)) {
316: print $logfile 'Obsolete: '.$_."\n";
317: $chparms.=$_.' ';
318: }
319: }
320: } sort keys %oldparmstores;
321: if ($chparms) {
322: $scrout.='<p><b>Obsolete parameters or stored values:</b> '.
323: $chparms;
324: }
325:
326: # ------------------------------------------------------- Now have all metadata
327:
328: $scrout.=
329: '<form action="/adm/publish" method="post">'.
330: &hiddenfield('phase','two').
331: &hiddenfield('filename',$ENV{'form.filename'}).
332: &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
333: &textfield('Title','title',$metadatafields{'title'}).
334: &textfield('Author(s)','author',$metadatafields{'author'}).
335: &textfield('Subject','subject',$metadatafields{'subject'});
336:
337: # --------------------------------------------------- Scan content for keywords
338:
339: my $keywordout='<p><b>Keywords:</b><br><table border=2><tr>';
340: my $colcount=0;
341:
342: {
343: my $textonly=$content;
344: $textonly=~s/\<script[^\<]+\<\/script\>//g;
345: $textonly=~s/\<m\>[^\<]+\<\/m\>//g;
346: $textonly=~s/\<[^\>]*\>//g;
347: $textonly=~tr/A-Z/a-z/;
348: $textonly=~s/[\$\&][a-z]\w*//g;
349: $textonly=~s/[^a-z\s]//g;
350:
351: my %keywords=();
352: map {
353: unless ($nokey{$_}) {
354: $keywords{$_}=1;
355: }
356: } ($textonly=~m/(\w+)/g);
357:
358: map {
359: $keywords{$_}=1;
360: } split(/\W+/,$metadatafields{'keywords'});
361:
362: map {
363: $keywordout.='<td><input type=checkbox name="key.'.$_.'"';
364: if ($metadatafields{'keywords'}=~/$_/) {
365: $keywordout.=' checked';
366: }
367: $keywordout.='>'.$_.'</td>';
368: if ($colcount>10) {
369: $keywordout.="</tr><tr>\n";
370: $colcount=0;
371: }
372: $colcount++;
373: } sort keys %keywords;
374: $keywordout.='</tr></table>';
375:
376: }
377:
378: $scrout.=$keywordout;
379:
380: $scrout.=&textfield('Additional Keywords','addkey','');
381:
382: $scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
383:
384: $scrout.=
385: '<p><b>Abstract:</b><br><textarea cols=80 rows=5 name=abstract>'.
386: $metadatafields{'abstract'}.'</textarea>';
387:
388: $source=~/\.(\w+)$/;
389:
390: $scrout.=&hiddenfield('mime',$1);
391:
392: $scrout.=&selectbox('Language','language',
393: $metadatafields{'language'},%language);
394:
395: unless ($metadatafields{'creationdate'}) {
396: $metadatafields{'creationdate'}=time;
397: }
398: $scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'});
399:
400: $scrout.=&hiddenfield('lastrevisiondate',time);
401:
402:
403: $scrout.=&textfield('Publisher/Owner','owner',
404: $metadatafields{'owner'});
405:
406: $scrout.=&selectbox('Copyright/Distribution','copyright',
407: $metadatafields{'copyright'},%cprtag);
408:
409: }
410: return $scrout.
411: '<p><input type="submit" value="Finalize Publication"></form>';
412: }
413:
414: # -------------------------------------------------------- Publication Step Two
415:
416: sub phasetwo {
417:
418: my ($source,$target,$style)=@_;
419: my $logfile;
420: my $scrout='';
421:
422: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
423: return
424: '<font color=red>No write permission to user directory, FAIL</font>';
425: }
426: print $logfile
427: "\n================= Publish ".localtime()." Phase Two ================\n";
428:
429: %metadatafields=();
430: %metadatakeys=();
431:
432: &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
433:
434: $metadatafields{'title'}=$ENV{'form.title'};
435: $metadatafields{'author'}=$ENV{'form.author'};
436: $metadatafields{'subject'}=$ENV{'form.subject'};
437: $metadatafields{'notes'}=$ENV{'form.notes'};
438: $metadatafields{'abstract'}=$ENV{'form.abstract'};
439: $metadatafields{'mime'}=$ENV{'form.mime'};
440: $metadatafields{'language'}=$ENV{'form.language'};
441: $metadatafields{'creationdate'}=$ENV{'form.creationdate'};
442: $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'};
443: $metadatafields{'owner'}=$ENV{'form.owner'};
444: $metadatafields{'copyright'}=$ENV{'form.copyright'};
445:
446: my $allkeywords=$ENV{'form.addkey'};
447: map {
448: if ($_=~/^form\.key\.(\w+)/) {
449: $allkeywords.=','.$1;
450: }
451: } keys %ENV;
452: $allkeywords=~s/\W+/\,/;
453: $allkeywords=~s/^\,//;
454: $metadatafields{'keywords'}=$allkeywords;
455:
456: {
457: print $logfile "\nWrite metadata file for ".$source;
458: my $mfh;
459: unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
460: return
461: '<font color=red>Could not write metadata, FAIL</font>';
462: }
463: map {
464: unless ($_=~/\./) {
465: my $unikey=$_;
466: $unikey=~/^([A-Za-z]+)/;
467: my $tag=$1;
468: $tag=~tr/A-Z/a-z/;
469: print $mfh "\n\<$tag";
470: map {
471: my $value=$metadatafields{$unikey.'.'.$_};
472: $value=~s/\"/\'\'/g;
473: print $mfh ' '.$_.'="'.$value.'"';
474: } split(/\,/,$metadatakeys{$unikey});
475: print $mfh '>'.$metadatafields{$unikey}.'</'.$tag.'>';
476: }
477: } sort keys %metadatafields;
478: $scrout.='<p>Wrote Metadata';
479: print $logfile "\nWrote metadata";
480: }
481:
482: # ----------------------------------------------------------- Copy old versions
483:
484: if (-e $target) {
485: my $filename;
486: my $maxversion=0;
487: $target=~/(.*)\/([^\/]+)\.(\w+)$/;
488: my $srcf=$2;
489: my $srct=$3;
490: my $srcd=$1;
491: unless ($srcd=~/^\/home\/httpd\/html\/res/) {
492: print $logfile "\nPANIC: Target dir is ".$srcd;
493: return "<font color=red>Invalid target directory, FAIL</font>";
494: }
495: opendir(DIR,$srcd);
496: while ($filename=readdir(DIR)) {
497: if ($filename=~/$srcf\.(\d+)\.$srct$/) {
498: $maxversion=($1>$maxversion)?$1:$maxversion;
499: }
500: }
501: closedir(DIR);
502: $maxversion++;
503: $scrout.='<p>Creating old version '.$maxversion;
504: print $logfile "\nCreating old version ".$maxversion;
505:
506: my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
507:
508: if (copy($target,$copyfile)) {
509: print $logfile "Copied old target to ".$copyfile."\n";
510: $scrout.='<p>Copied old target file';
511: } else {
512: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
513: return "<font color=red>Failed to copy old target, $!, FAIL</font>";
514: }
515:
516: # --------------------------------------------------------------- Copy Metadata
517:
518: $copyfile=$copyfile.'.meta';
519:
520: if (copy($target.'.meta',$copyfile)) {
521: print $logfile "Copied old target metadata to ".$copyfile."\n";
522: $scrout.='<p>Copied old metadata';
523: } else {
524: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
525: if (-e $target.'.meta') {
526: return
527: "<font color=red>Failed to write old metadata copy, $!, FAIL</font>";
528: }
529: }
530:
531:
532: } else {
533: $scrout.='<p>Initial version';
534: print $logfile "\nInitial version";
535: }
536:
537: # ---------------------------------------------------------------- Write Source
538: my $copyfile=$target;
539:
540: my @parts=split(/\//,$copyfile);
541: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
542:
543: my $count;
544: for ($count=5;$count<$#parts;$count++) {
545: $path.="/$parts[$count]";
546: if ((-e $path)!=1) {
547: print $logfile "\nCreating directory ".$path;
548: $scrout.='<p>Created directory '.$parts[$count];
549: mkdir($path,0777);
550: }
551: }
552:
553: if (copy($source,$copyfile)) {
554: print $logfile "Copied original source to ".$copyfile."\n";
555: $scrout.='<p>Copied source file';
556: } else {
557: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
558: return "<font color=red>Failed to copy source, $!, FAIL</font>";
559: }
560:
561: # --------------------------------------------------------------- Copy Metadata
562:
563: $copyfile=$copyfile.'.meta';
564:
565: if (copy($source.'.meta',$copyfile)) {
566: print $logfile "Copied original metadata to ".$copyfile."\n";
567: $scrout.='<p>Copied metadata';
568: } else {
569: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
570: return
571: "<font color=red>Failed to write metadata copy, $!, FAIL</font>";
572: }
573:
574: # --------------------------------------------------- Send update notifications
575:
576: {
577:
578: my $filename;
579:
580: $target=~/(.*)\/([^\/]+)$/;
581: my $srcf=$2;
582: opendir(DIR,$1);
583: while ($filename=readdir(DIR)) {
584: if ($filename=~/$srcf\.(\w+)$/) {
585: my $subhost=$1;
586: if ($subhost ne 'meta') {
587: $scrout.='<p>Notifying host '.$subhost.':';
588: print $logfile "\nNotifying host '.$subhost.':'";
589: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
590: $scrout.=$reply;
591: print $logfile $reply;
592: }
593: }
594: }
595: closedir(DIR);
596:
597: }
598:
599: # ------------------------------------------------ Provide link to new resource
600:
601: my $thisdistarget=$target;
602: $thisdistarget=~s/^$docroot//;
603:
604: return $scrout.
605: '<p><a href="'.$thisdistarget.'"><font size=+2>View Target</font></a>';
606: }
607:
608: # ================================================================ Main Handler
609:
610: sub handler {
611: my $r=shift;
612:
613: if ($r->header_only) {
614: $r->content_type('text/html');
615: $r->send_http_header;
616: return OK;
617: }
618:
619: unless ($ENV{'form.pubdir'}) {
620: # -------------------------------------------------------------- Check filename
621:
622: my $fn=$ENV{'form.filename'};
623:
624: unless ($fn) {
625: $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
626: ' trying to publish empty filename', $r->filename);
627: return HTTP_NOT_FOUND;
628: }
629:
630: unless ($ENV{'user.home'} eq $r->dir_config('lonHostID')) {
631: $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
632: ' trying to publish file '.$ENV{'form.filename'}.
633: ' ('.$fn.') - not homeserver ('.$ENV{'user.home'}.')',
634: $r->filename);
635: return HTTP_NOT_ACCEPTABLE;
636: }
637:
638: $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;
639:
640: my $targetdir='';
641: $docroot=$r->dir_config('lonDocRoot');
642: if ($1 ne $ENV{'user.name'}) {
643: $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
644: ' trying to publish unowned file '.$ENV{'form.filename'}.
645: ' ('.$fn.')',
646: $r->filename);
647: return HTTP_NOT_ACCEPTABLE;
648: } else {
649: $targetdir=$docroot.'/res/'.$ENV{'user.domain'};
650: }
651:
652:
653: unless (-e $fn) {
654: $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
655: ' trying to publish non-existing file '.$ENV{'form.filename'}.
656: ' ('.$fn.')',
657: $r->filename);
658: return HTTP_NOT_FOUND;
659: }
660:
661: unless ($ENV{'form.phase'} eq 'two') {
662:
663: # --------------------------------- File is there and owned, init lookup tables
664:
665: %addid=();
666:
667: {
668: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
669: while (<$fh>=~/(\w+)\s+(\w+)/) {
670: $addid{$1}=$2;
671: }
672: }
673:
674: %nokey=();
675:
676: {
677: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
678: map {
679: my $word=$_;
680: chomp($word);
681: $nokey{$word}=1;
682: } <$fh>;
683: }
684:
685: %language=();
686:
687: {
688: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/language.tab');
689: map {
690: $_=~/(\w+)\s+([\w\s\-]+)/;
691: $language{$1}=$2;
692: } <$fh>;
693: }
694:
695: %cprtag=();
696:
697: {
698: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/copyright.tab');
699: map {
700: $_=~/(\w+)\s+([\w\s\-]+)/;
701: $cprtag{$1}=$2;
702: } <$fh>;
703: }
704:
705: }
706:
707: # ----------------------------------------------------------- Start page output
708:
709: $r->content_type('text/html');
710: $r->send_http_header;
711:
712: $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
713: $r->print(
714: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
715: my $thisfn=$fn;
716:
717: # ------------------------------------------------------------- Individual file
718: {
719: $thisfn=~/\.(\w+)$/;
720: my $thistype=$1;
721: my $thisembstyle=&Apache::lonnet::fileembstyle($thistype);
722:
723: my $thistarget=$thisfn;
724:
725: $thistarget=~s/^\/home/$targetdir/;
726: $thistarget=~s/\/public\_html//;
727:
728: my $thisdistarget=$thistarget;
729: $thisdistarget=~s/^$docroot//;
730:
731: my $thisdisfn=$thisfn;
732: $thisdisfn=~s/^\/home\/$ENV{'user.name'}\/public_html\///;
733:
734: $r->print('<h2>Publishing '.
735: &Apache::lonnet::filedescription($thistype).' <tt>'.
736: $thisdisfn.'</tt></h2><b>Target:</b> <tt>'.$thisdistarget.'</tt><p>');
737:
738: # ------------ We are publishing from $thisfn to $thistarget with $thisembstyle
739:
740: unless ($ENV{'form.phase'} eq 'two') {
741: $r->print('<hr>'.&publish($thisfn,$thistarget,$thisembstyle));
742: } else {
743: $r->print('<hr>'.&phasetwo($thisfn,$thistarget,$thisembstyle));
744: }
745:
746: }
747: $r->print('</body></html>');
748: } else {
749:
750: my $fn=$ENV{'form.filename'};
751:
752: $fn=~s/\/[^\/]+$//;
753: my $thisprefix=$fn;
754: $thisprefix=~s/\/\~/\/priv\//;
755:
756: $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;
757:
758: unless ($fn) {
759: $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
760: ' trying to publish empty directory', $r->filename);
761: return HTTP_NOT_FOUND;
762: }
763:
764: # ----------------------------------------------------------- Start page output
765:
766: $r->content_type('text/html');
767: $r->send_http_header;
768:
769: $r->print('<html><head><title>LON-CAPA Publishing Directory</title></head>');
770: $r->print(
771: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
772:
773: my $thisdisfn=$fn;
774: $thisdisfn=~s/^\/home\/$ENV{'user.name'}\/public_html\///;
775:
776: $r->print('<h1>Publishing directory <tt>'.$thisdisfn.'</tt></h1>');
777: my $i=0;
778: $r->print('<script>');
779: my $filename;
780: opendir(DIR,$fn);
781: while ($filename=readdir(DIR)) {
782: $filename=~/\.(\w+)$/;
783: if ((&Apache::lonnet::fileembstyle($1)) && ($1 ne 'meta')) {
784: $r->print(<<ENDOPEN);
785: pub$i=window.open("$thisprefix/$filename","LONCAPApub$i",
786: "menubar=no,height=450,width=650");
787: ENDOPEN
788: $i++;
789: }
790: }
791: closedir(DIR);
792: $r->print('</script>');
793:
794: $r->print('</body></html>');
795:
796: }
797: return OK;
798: }
799:
800: 1;
801: __END__
802:
803:
804:
805:
806:
807:
808:
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