1: # The LearningOnline Network with CAPA
2: # Publication Handler
3: #
4: # $Id: lonpublisher.pm,v 1.236 2008/05/19 18:43:16 www Exp $
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: #
28: ###
29:
30: ###############################################################################
31: ## ##
32: ## ORGANIZATION OF THIS PERL MODULE ##
33: ## ##
34: ## 1. Modules used by this module ##
35: ## 2. Various subroutines ##
36: ## 3. Publication Step One ##
37: ## 4. Phase Two ##
38: ## 5. Main Handler ##
39: ## ##
40: ###############################################################################
41:
42:
43: ######################################################################
44: ######################################################################
45:
46: =pod
47:
48: =head1 NAME
49:
50: lonpublisher - LON-CAPA publishing handler
51:
52: =head1 SYNOPSIS
53:
54: B<lonpublisher> is used by B<mod_perl> inside B<Apache>. This is the
55: invocation by F<loncapa_apache.conf>:
56:
57: <Location /adm/publish>
58: PerlAccessHandler Apache::lonacc
59: SetHandler perl-script
60: PerlHandler Apache::lonpublisher
61: ErrorDocument 403 /adm/login
62: ErrorDocument 404 /adm/notfound.html
63: ErrorDocument 406 /adm/unauthorized.html
64: ErrorDocument 500 /adm/errorhandler
65: </Location>
66:
67: =head1 OVERVIEW
68:
69: Authors can only write-access the C</~authorname/> space. They can
70: copy resources into the resource area through the publication step,
71: and move them back through a recover step. Authors do not have direct
72: write-access to their resource space.
73:
74: During the publication step, several events will be
75: triggered. Metadata is gathered, where a wizard manages default
76: entries on a hierarchical per-directory base: The wizard imports the
77: metadata (including access privileges and royalty information) from
78: the most recent published resource in the current directory, and if
79: that is not available, from the next directory above, etc. The Network
80: keeps all previous versions of a resource and makes them available by
81: an explicit version number, which is inserted between the file name
82: and extension, for example C<foo.2.html>, while the most recent
83: version does not carry a version number (C<foo.html>). Servers
84: subscribing to a changed resource are notified that a new version is
85: available.
86:
87: =head1 DESCRIPTION
88:
89: B<lonpublisher> takes the proper steps to add resources to the LON-CAPA
90: digital library. This includes updating the metadata table in the
91: LON-CAPA database.
92:
93: B<lonpublisher> is many things to many people.
94:
95: This module publishes a file. This involves gathering metadata,
96: versioning the file, copying file from construction space to
97: publication space, and copying metadata from construction space
98: to publication space.
99:
100: =head2 SUBROUTINES
101:
102: Many of the undocumented subroutines implement various magical
103: parsing shortcuts.
104:
105: =over 4
106:
107: =cut
108:
109: ######################################################################
110: ######################################################################
111:
112:
113: package Apache::lonpublisher;
114:
115: # ------------------------------------------------- modules used by this module
116: use strict;
117: use Apache::File;
118: use File::Copy;
119: use Apache::Constants qw(:common :http :methods);
120: use HTML::LCParser;
121: use Apache::lonxml;
122: use Apache::loncacc;
123: use DBI;
124: use Apache::lonnet;
125: use Apache::loncommon();
126: use Apache::lonmysql;
127: use Apache::lonlocal;
128: use Apache::loncfile;
129: use LONCAPA::lonmetadata;
130: use Apache::lonmsg;
131: use vars qw(%metadatafields %metadatakeys);
132: use LONCAPA qw(:DEFAULT :match);
133:
134:
135: my %addid;
136: my %nokey;
137:
138: my $docroot;
139:
140: my $cuname;
141: my $cudom;
142:
143: my $registered_cleanup;
144: my $modified_urls;
145:
146: my $lock;
147:
148: =pod
149:
150: =item B<metaeval>
151:
152: Evaluates a string that contains metadata. This subroutine
153: stores values inside I<%metadatafields> and I<%metadatakeys>.
154: The hash key is a I<$unikey> corresponding to a unique id
155: that is descriptive of the parser location inside the XML tree.
156:
157: Parameters:
158:
159: =over 4
160:
161: =item I<$metastring>
162:
163: A string that contains metadata.
164:
165: =back
166:
167: Returns:
168:
169: nothing
170:
171: =cut
172:
173: #########################################
174: #########################################
175: #
176: # Modifies global %metadatafields %metadatakeys
177: #
178:
179: sub metaeval {
180: my ($metastring,$prefix)=@_;
181:
182: my $parser=HTML::LCParser->new(\$metastring);
183: my $token;
184: while ($token=$parser->get_token) {
185: if ($token->[0] eq 'S') {
186: my $entry=$token->[1];
187: my $unikey=$entry;
188: next if ($entry =~ m/^(?:parameter|stores)_/);
189: if (defined($token->[2]->{'package'})) {
190: $unikey.="\0package\0".$token->[2]->{'package'};
191: }
192: if (defined($token->[2]->{'part'})) {
193: $unikey.="\0".$token->[2]->{'part'};
194: }
195: if (defined($token->[2]->{'id'})) {
196: $unikey.="\0".$token->[2]->{'id'};
197: }
198: if (defined($token->[2]->{'name'})) {
199: $unikey.="\0".$token->[2]->{'name'};
200: }
201: foreach (@{$token->[3]}) {
202: $metadatafields{$unikey.'.'.$_}=$token->[2]->{$_};
203: if ($metadatakeys{$unikey}) {
204: $metadatakeys{$unikey}.=','.$_;
205: } else {
206: $metadatakeys{$unikey}=$_;
207: }
208: }
209: my $newentry=$parser->get_text('/'.$entry);
210: if (($entry eq 'customdistributionfile') ||
211: ($entry eq 'sourcerights')) {
212: $newentry=~s/^\s*//;
213: if ($newentry !~m|^/res|) { $newentry=$prefix.$newentry; }
214: }
215: # actually store
216: if ( $entry eq 'rule' && exists($metadatafields{$unikey})) {
217: $metadatafields{$unikey}.=','.$newentry;
218: } else {
219: $metadatafields{$unikey}=$newentry;
220: }
221: }
222: }
223: }
224:
225: #########################################
226: #########################################
227:
228: =pod
229:
230: =item B<metaread>
231:
232: Read a metadata file
233:
234: Parameters:
235:
236: =over
237:
238: =item I<$logfile>
239:
240: File output stream to output errors and warnings to.
241:
242: =item I<$fn>
243:
244: File name (including path).
245:
246: =back
247:
248: Returns:
249:
250: =over 4
251:
252: =item Scalar string (if successful)
253:
254: XHTML text that indicates successful reading of the metadata.
255:
256: =back
257:
258: =cut
259:
260: #########################################
261: #########################################
262: sub metaread {
263: my ($logfile,$fn,$prefix)=@_;
264: unless (-e $fn) {
265: print($logfile 'No file '.$fn."\n");
266: return '<br /><b>'.&mt('No file').':</b> <tt>'.
267: &Apache::loncfile::display($fn).'</tt>';
268: }
269: print($logfile 'Processing '.$fn."\n");
270: my $metastring;
271: {
272: my $metafh=Apache::File->new($fn);
273: $metastring=join('',<$metafh>);
274: }
275: &metaeval($metastring,$prefix);
276: return '<br /><b>'.&mt('Processed file').':</b> <tt>'.
277: &Apache::loncfile::display($fn).'</tt>';
278: }
279:
280: #########################################
281: #########################################
282:
283: sub coursedependencies {
284: my $url=&Apache::lonnet::declutter(shift);
285: $url=~s/\.meta$//;
286: my ($adomain,$aauthor)=($url=~ m{^($match_domain)/($match_username)/});
287: my $regexp=quotemeta($url);
288: $regexp='___'.$regexp.'___course';
289: my %evaldata=&Apache::lonnet::dump('nohist_resevaldata',$adomain,
290: $aauthor,$regexp);
291: my %courses=();
292: foreach (keys %evaldata) {
293: if ($_=~/^([a-zA-Z0-9]+_[a-zA-Z0-9]+)___.+___course$/) {
294: $courses{$1}=1;
295: }
296: }
297: return %courses;
298: }
299: #########################################
300: #########################################
301:
302:
303: =pod
304:
305: =item Form-field-generating subroutines.
306:
307: For input parameters, these subroutines take in values
308: such as I<$name>, I<$value> and other form field metadata.
309: The output (scalar string that is returned) is an XHTML
310: string which presents the form field (foreseeably inside
311: <form></form> tags).
312:
313: =over 4
314:
315: =item B<textfield>
316:
317: =item B<hiddenfield>
318:
319: =item B<selectbox>
320:
321: =back
322:
323: =cut
324:
325: #########################################
326: #########################################
327: sub textfield {
328: my ($title,$name,$value)=@_;
329: $value=~s/^\s+//gs;
330: $value=~s/\s+$//gs;
331: $value=~s/\s+/ /gs;
332: $title=&mt($title);
333: $env{'form.'.$name}=$value;
334: return "\n<p><font color=\"#800000\" face=\"helvetica\"><b>$title:".
335: "</b></font></p><br />".
336: '<input type="text" name="'.$name.'" size=80 value="'.$value.'" />';
337: }
338:
339: sub text_with_browse_field {
340: my ($title,$name,$value,$restriction)=@_;
341: $value=~s/^\s+//gs;
342: $value=~s/\s+$//gs;
343: $value=~s/\s+/ /gs;
344: $title=&mt($title);
345: $env{'form.'.$name}=$value;
346: return "\n<p><font color=\"#800000\" face=\"helvetica\"><b>$title:".
347: "</b></font></p><br />".
348: '<input type="text" name="'.$name.'" size=80 value="'.$value.'" />'.
349: '<a href="javascript:openbrowser(\'pubform\',\''.$name.'\',\''.$restriction.'\');">'.&mt('Select').'</a> '.
350: '<a href="javascript:opensearcher(\'pubform\',\''.$name.'\');">'.&mt('Search').'</a>';
351:
352: }
353:
354: sub hiddenfield {
355: my ($name,$value)=@_;
356: $env{'form.'.$name}=$value;
357: return "\n".'<input type="hidden" name="'.$name.'" value="'.$value.'" />';
358: }
359:
360: sub checkbox {
361: my ($name,$text)=@_;
362: return "\n<br /><label><input type='checkbox' name='$name' /> ".
363: &mt($text)."</label>";
364: }
365:
366: sub selectbox {
367: my ($title,$name,$value,$functionref,@idlist)=@_;
368: $title=&mt($title);
369: $value=(split(/\s*,\s*/,$value))[-1];
370: if (defined($value)) {
371: $env{'form.'.$name}=$value;
372: } else {
373: $env{'form.'.$name}=$idlist[0];
374: }
375: my $selout="\n<p><font color=\"#800000\" face=\"helvetica\"><b>$title:".
376: '</b></font></p><br /><select name="'.$name.'">';
377: foreach (@idlist) {
378: $selout.='<option value=\''.$_.'\'';
379: if ($_ eq $value) {
380: $selout.=' selected>'.&{$functionref}($_).'</option>';
381: }
382: else {$selout.='>'.&{$functionref}($_).'</option>';}
383: }
384: return $selout.'</select>';
385: }
386:
387: sub select_level_form {
388: my ($value,$name)=@_;
389: $env{'form.'.$name}=$value;
390: if (!defined($value)) { $env{'form.'.$name}=0; }
391: return &Apache::loncommon::select_level_form($value,$name);
392: }
393: #########################################
394: #########################################
395:
396: =pod
397:
398: =item B<urlfixup>
399:
400: Fix up a url? First step of publication
401:
402: =cut
403:
404: #########################################
405: #########################################
406: sub urlfixup {
407: my ($url,$target)=@_;
408: unless ($url) { return ''; }
409: #javascript code needs no fixing
410: if ($url =~ /^javascript:/i) { return $url; }
411: if ($url =~ /^mailto:/i) { return $url; }
412: #internal document links need no fixing
413: if ($url =~ /^\#/) { return $url; }
414: my ($host)=($url=~m{(?:(?:http|https|ftp)://)*([^/]+)});
415: my @lonids = &Apache::lonnet::machine_ids($host);
416: if (@lonids) {
417: $url=~s{^(?:http|https|ftp)://}{};
418: $url=~s/^\Q$host\E//;
419: }
420: if ($url=~m{^(?:http|https|ftp)://}) { return $url; }
421: $url=~s{\Q~$cuname\E}{res/$cudom/$cuname};
422: return $url;
423: }
424:
425: #########################################
426: #########################################
427:
428: =pod
429:
430: =item B<absoluteurl>
431:
432: Currently undocumented.
433:
434: =cut
435:
436: #########################################
437: #########################################
438: sub absoluteurl {
439: my ($url,$target)=@_;
440: unless ($url) { return ''; }
441: if ($target) {
442: $target=~s/\/[^\/]+$//;
443: $url=&Apache::lonnet::hreflocation($target,$url);
444: }
445: return $url;
446: }
447:
448: #########################################
449: #########################################
450:
451: =pod
452:
453: =item B<set_allow>
454:
455: Currently undocumented
456:
457: =cut
458:
459: #########################################
460: #########################################
461: sub set_allow {
462: my ($allow,$logfile,$target,$tag,$oldurl)=@_;
463: my $newurl=&urlfixup($oldurl,$target);
464: my $return_url=$oldurl;
465: print $logfile 'GUYURL: '.$tag.':'.$oldurl.' - '.$newurl."\n";
466: if ($newurl ne $oldurl) {
467: $return_url=$newurl;
468: print $logfile 'URL: '.$tag.':'.$oldurl.' - '.$newurl."\n";
469: }
470: if (($newurl !~ /^javascript:/i) &&
471: ($newurl !~ /^mailto:/i) &&
472: ($newurl !~ /^(?:http|https|ftp):/i) &&
473: ($newurl !~ /^\#/)) {
474: $$allow{&absoluteurl($newurl,$target)}=1;
475: }
476: return $return_url;
477: }
478:
479: #########################################
480: #########################################
481:
482: =pod
483:
484: =item B<get_subscribed_hosts>
485:
486: Currently undocumented
487:
488: =cut
489:
490: #########################################
491: #########################################
492: sub get_subscribed_hosts {
493: my ($target)=@_;
494: my @subscribed;
495: my $filename;
496: $target=~/(.*)\/([^\/]+)$/;
497: my $srcf=$2;
498: opendir(DIR,$1);
499: # cycle through listed files, subscriptions used to exist
500: # as "filename.lonid"
501: while ($filename=readdir(DIR)) {
502: if ($filename=~/\Q$srcf\E\.($match_lonid)$/) {
503: my $subhost=$1;
504: if (($subhost ne 'meta'
505: && $subhost ne 'subscription'
506: && $subhost ne 'meta.subscription'
507: && $subhost ne 'tmp') &&
508: ($subhost ne $Apache::lonnet::perlvar{'lonHostID'})) {
509: push(@subscribed,$subhost);
510: }
511: }
512: }
513: closedir(DIR);
514: my $sh;
515: if ( $sh=Apache::File->new("$target.subscription") ) {
516: while (my $subline=<$sh>) {
517: if ($subline =~ /^($match_lonid):/) {
518: if ($1 ne $Apache::lonnet::perlvar{'lonHostID'}) {
519: push(@subscribed,$1);
520: }
521: }
522: }
523: }
524: return @subscribed;
525: }
526:
527:
528: #########################################
529: #########################################
530:
531: =pod
532:
533: =item B<get_max_ids_indices>
534:
535: Currently undocumented
536:
537: =cut
538:
539: #########################################
540: #########################################
541: sub get_max_ids_indices {
542: my ($content)=@_;
543: my $maxindex=10;
544: my $maxid=10;
545: my $needsfixup=0;
546: my $duplicateids=0;
547:
548: my %allids;
549: my %duplicatedids;
550:
551: my $parser=HTML::LCParser->new($content);
552: $parser->xml_mode(1);
553: my $token;
554: while ($token=$parser->get_token) {
555: if ($token->[0] eq 'S') {
556: my $counter;
557: if ($counter=$addid{$token->[1]}) {
558: if ($counter eq 'id') {
559: if (defined($token->[2]->{'id'}) &&
560: $token->[2]->{'id'} !~ /^\s*$/) {
561: $maxid=($token->[2]->{'id'}>$maxid)?$token->[2]->{'id'}:$maxid;
562: if (exists($allids{$token->[2]->{'id'}})) {
563: $duplicateids=1;
564: $duplicatedids{$token->[2]->{'id'}}=1;
565: } else {
566: $allids{$token->[2]->{'id'}}=1;
567: }
568: } else {
569: $needsfixup=1;
570: }
571: } else {
572: if (defined($token->[2]->{'index'}) &&
573: $token->[2]->{'index'} !~ /^\s*$/) {
574: $maxindex=($token->[2]->{'index'}>$maxindex)?$token->[2]->{'index'}:$maxindex;
575: } else {
576: $needsfixup=1;
577: }
578: }
579: }
580: }
581: }
582: return ($needsfixup,$maxid,$maxindex,$duplicateids,
583: (keys(%duplicatedids)));
584: }
585:
586: #########################################
587: #########################################
588:
589: =pod
590:
591: =item B<get_all_text_unbalanced>
592:
593: Currently undocumented
594:
595: =cut
596:
597: #########################################
598: #########################################
599: sub get_all_text_unbalanced {
600: #there is a copy of this in lonxml.pm
601: my($tag,$pars)= @_;
602: my $token;
603: my $result='';
604: $tag='<'.$tag.'>';
605: while ($token = $$pars[-1]->get_token) {
606: if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
607: $result.=$token->[1];
608: } elsif ($token->[0] eq 'PI') {
609: $result.=$token->[2];
610: } elsif ($token->[0] eq 'S') {
611: $result.=$token->[4];
612: } elsif ($token->[0] eq 'E') {
613: $result.=$token->[2];
614: }
615: if ($result =~ /\Q$tag\E/s) {
616: ($result,my $redo)=$result =~ /(.*)\Q$tag\E(.*)/is;
617: #&Apache::lonnet::logthis('Got a winner with leftovers ::'.$2);
618: #&Apache::lonnet::logthis('Result is :'.$1);
619: $redo=$tag.$redo;
620: push (@$pars,HTML::LCParser->new(\$redo));
621: $$pars[-1]->xml_mode('1');
622: last;
623: }
624: }
625: return $result
626: }
627:
628: #########################################
629: #########################################
630:
631: =pod
632:
633: =item B<fix_ids_and_indices>
634:
635: Currently undocumented
636:
637: =cut
638:
639: #########################################
640: #########################################
641: #Arguably this should all be done as a lonnet::ssi instead
642: sub fix_ids_and_indices {
643: my ($logfile,$source,$target)=@_;
644:
645: my %allow;
646: my $content;
647: {
648: my $org=Apache::File->new($source);
649: $content=join('',<$org>);
650: }
651:
652: my ($needsfixup,$maxid,$maxindex,$duplicateids,@duplicatedids)=
653: &get_max_ids_indices(\$content);
654:
655: print $logfile ("Got $needsfixup,$maxid,$maxindex,$duplicateids--".
656: join(', ',@duplicatedids));
657: if ($duplicateids) {
658: print $logfile "Duplicate ID(s) exist, ".join(', ',@duplicatedids)."\n";
659: my $outstring='<span class="LC_error">'.&mt('Unable to publish file, it contains duplicated ID(s), ID(s) need to be unique. The duplicated ID(s) are').': '.join(', ',@duplicatedids).'</span>';
660: return ($outstring,1);
661: }
662: if ($needsfixup) {
663: print $logfile "Needs ID and/or index fixup\n".
664: "Max ID : $maxid (min 10)\n".
665: "Max Index: $maxindex (min 10)\n";
666: }
667: my $outstring='';
668: my $responsecounter=1;
669: my @parser;
670: $parser[0]=HTML::LCParser->new(\$content);
671: $parser[-1]->xml_mode(1);
672: my $token;
673: while (@parser) {
674: while ($token=$parser[-1]->get_token) {
675: if ($token->[0] eq 'S') {
676: my $counter;
677: my $tag=$token->[1];
678: my $lctag=lc($tag);
679: if ($lctag eq 'allow') {
680: $allow{$token->[2]->{'src'}}=1;
681: next;
682: }
683: if ($lctag eq 'base') { next; }
684: if (($lctag eq 'part') || ($lctag eq 'problem')) {
685: $responsecounter=0;
686: }
687: if ($lctag=~/response$/) { $responsecounter++; }
688: my %parms=%{$token->[2]};
689: $counter=$addid{$tag};
690: if (!$counter) { $counter=$addid{$lctag}; }
691: if ($counter) {
692: if ($counter eq 'id') {
693: unless (defined($parms{'id'}) &&
694: $parms{'id'}!~/^\s*$/) {
695: $maxid++;
696: $parms{'id'}=$maxid;
697: print $logfile 'ID(new) : '.$tag.':'.$maxid."\n";
698: } else {
699: print $logfile 'ID(kept): '.$tag.':'.$parms{'id'}."\n";
700: }
701: } elsif ($counter eq 'index') {
702: unless (defined($parms{'index'}) &&
703: $parms{'index'}!~/^\s*$/) {
704: $maxindex++;
705: $parms{'index'}=$maxindex;
706: print $logfile 'Index: '.$tag.':'.$maxindex."\n";
707: }
708: }
709: }
710: unless ($parms{'type'} eq 'zombie') {
711: foreach my $type ('src','href','background','bgimg') {
712: foreach my $key (keys(%parms)) {
713: if ($key =~ /^$type$/i) {
714: $parms{$key}=&set_allow(\%allow,$logfile,
715: $target,$tag,
716: $parms{$key});
717: }
718: }
719: }
720: }
721: # probably a <randomlabel> image type <label>
722: # or a <image> tag inside <imageresponse>
723: if (($lctag eq 'label' && defined($parms{'description'}))
724: ||
725: ($lctag eq 'image')) {
726: my $next_token=$parser[-1]->get_token();
727: if ($next_token->[0] eq 'T') {
728: $next_token->[1] =~ s/[\n\r\f]+//g;
729: $next_token->[1]=&set_allow(\%allow,$logfile,
730: $target,$tag,
731: $next_token->[1]);
732: }
733: $parser[-1]->unget_token($next_token);
734: }
735: if ($lctag eq 'applet') {
736: my $codebase='';
737: my $havecodebase=0;
738: foreach my $key (keys(%parms)) {
739: if (lc($key) eq 'codebase') {
740: $codebase=$parms{$key};
741: $havecodebase=1;
742: }
743: }
744: if ($havecodebase) {
745: my $oldcodebase=$codebase;
746: unless ($oldcodebase=~/\/$/) {
747: $oldcodebase.='/';
748: }
749: $codebase=&urlfixup($oldcodebase,$target);
750: $codebase=~s/\/$//;
751: if ($codebase ne $oldcodebase) {
752: $parms{'codebase'}=$codebase;
753: print $logfile 'URL codebase: '.$tag.':'.
754: $oldcodebase.' - '.
755: $codebase."\n";
756: }
757: $allow{&absoluteurl($codebase,$target).'/*'}=1;
758: } else {
759: foreach my $key (keys(%parms)) {
760: if ($key =~ /(archive|code|object)/i) {
761: my $oldurl=$parms{$key};
762: my $newurl=&urlfixup($oldurl,$target);
763: $newurl=~s/\/[^\/]+$/\/\*/;
764: print $logfile 'Allow: applet '.lc($key).':'.
765: $oldurl.' allows '.$newurl."\n";
766: $allow{&absoluteurl($newurl,$target)}=1;
767: }
768: }
769: }
770: }
771: my $newparmstring='';
772: my $endtag='';
773: foreach (keys %parms) {
774: if ($_ eq '/') {
775: $endtag=' /';
776: } else {
777: my $quote=($parms{$_}=~/\"/?"'":'"');
778: $newparmstring.=' '.$_.'='.$quote.$parms{$_}.$quote;
779: }
780: }
781: if (!$endtag) { if ($token->[4]=~m:/>$:) { $endtag=' /'; }; }
782: $outstring.='<'.$tag.$newparmstring.$endtag.'>';
783: if ($lctag eq 'm' || $lctag eq 'script' || $lctag eq 'answer'
784: || $lctag eq 'display' || $lctag eq 'tex') {
785: $outstring.=&get_all_text_unbalanced('/'.$lctag,\@parser);
786: }
787: } elsif ($token->[0] eq 'E') {
788: if ($token->[2]) {
789: unless ($token->[1] eq 'allow') {
790: $outstring.='</'.$token->[1].'>';
791: }
792: }
793: if ((($token->[1] eq 'part') || ($token->[1] eq 'problem'))
794: && (!$responsecounter)) {
795: my $outstring='<span class="LC_error">'.&mt('Found [_1] without responses',$token->[1]).'</span>';
796: return ($outstring,1);
797: }
798: } else {
799: $outstring.=$token->[1];
800: }
801: }
802: pop(@parser);
803: }
804:
805: if ($needsfixup) {
806: print $logfile "End of ID and/or index fixup\n".
807: "Max ID : $maxid (min 10)\n".
808: "Max Index: $maxindex (min 10)\n";
809: } else {
810: print $logfile "Does not need ID and/or index fixup\n";
811: }
812:
813: return ($outstring,0,%allow);
814: }
815:
816: #########################################
817: #########################################
818:
819: =pod
820:
821: =item B<store_metadata>
822:
823: Store the metadata in the metadata table in the loncapa database.
824: Uses lonmysql to access the database.
825:
826: Inputs: \%metadata
827:
828: Returns: (error,status). error is undef on success, status is undef on error.
829:
830: =cut
831:
832: #########################################
833: #########################################
834: sub store_metadata {
835: my %metadata = @_;
836: my $error;
837: # Determine if the table exists
838: my $status = &Apache::lonmysql::check_table('metadata');
839: if (! defined($status)) {
840: $error='<span class="LC_error">WARNING: Cannot connect to '.
841: 'database!</span>';
842: &Apache::lonnet::logthis($error);
843: return ($error,undef);
844: }
845: if ($status == 0) {
846: # It would be nice to actually create the table....
847: $error ='<span class="LC_error">WARNING: The metadata table does not '.
848: 'exist in the LON-CAPA database.</span>';
849: &Apache::lonnet::logthis($error);
850: return ($error,undef);
851: }
852: my $dbh = &Apache::lonmysql::get_dbh();
853: if (($metadata{'obsolete'}) || ($metadata{'copyright'} eq 'priv') ||
854: ($metadata{'copyright'} eq 'custom')) {
855: # remove this entry
856: my $delitem = 'url = '.$dbh->quote($metadata{'url'});
857: $status = &LONCAPA::lonmetadata::delete_metadata($dbh,undef,$delitem);
858:
859: } else {
860: $status = &LONCAPA::lonmetadata::update_metadata($dbh,undef,undef,
861: \%metadata);
862: }
863: if (defined($status) && $status ne '') {
864: $error='<span class="LC_error">Error occured saving new values in '.
865: 'metadata table in LON-CAPA database</span>';
866: &Apache::lonnet::logthis($error);
867: &Apache::lonnet::logthis($status);
868: return ($error,undef);
869: }
870: return (undef,'success');
871: }
872:
873:
874: # ========================================== Parse file for errors and warnings
875:
876: sub checkonthis {
877: my ($r,$source)=@_;
878: my $uri=&Apache::lonnet::hreflocation($source);
879: $uri=~s/\/$//;
880: my $result=&Apache::lonnet::ssi_body($uri,
881: ('grade_target'=>'web',
882: 'return_only_error_and_warning_counts' => 1));
883: my ($errorcount,$warningcount)=split(':',$result);
884: if (($errorcount) || ($warningcount)) {
885: $r->print('<br /><tt>'.$uri.'</tt>: ');
886: if ($errorcount) {
887: $r->print('<img src="/adm/lonMisc/bomb.gif" /><span class="LC_error"><b>'.
888: $errorcount.' '.
889: &mt('error(s)').'</b></span> ');
890: }
891: if ($warningcount) {
892: $r->print('<font color="blue">'.
893: $warningcount.' '.
894: &mt('warning(s)').'</font>');
895: }
896: } else {
897: #$r->print('<font color="green">'.&mt('ok').'</font>');
898: }
899: $r->rflush();
900: return ($warningcount,$errorcount);
901: }
902:
903: # ============================================== Parse file itself for metadata
904: #
905: # parses a file with target meta, sets global %metadatafields %metadatakeys
906:
907: sub parseformeta {
908: my ($source,$style)=@_;
909: my $allmeta='';
910: if (($style eq 'ssi') || ($style eq 'prv')) {
911: my $dir=$source;
912: $dir=~s-/[^/]*$--;
913: my $file=$source;
914: $file=(split('/',$file))[-1];
915: $source=&Apache::lonnet::hreflocation($dir,$file);
916: $allmeta=&Apache::lonnet::ssi_body($source,('grade_target' => 'meta'));
917: &metaeval($allmeta);
918: }
919: return $allmeta;
920: }
921:
922: #########################################
923: #########################################
924:
925: =pod
926:
927: =item B<publish>
928:
929: This is the workhorse function of this module. This subroutine generates
930: backup copies, performs any automatic processing (prior to publication,
931: especially for rat and ssi files),
932:
933: Returns a 2 element array, the first is the string to be shown to the
934: user, the second is an error code, either 1 (an error occured) or 0
935: (no error occurred)
936:
937: I<Additional documentation needed.>
938:
939: =cut
940:
941: #########################################
942: #########################################
943: sub publish {
944:
945: my ($source,$target,$style,$batch)=@_;
946: my $logfile;
947: my $scrout='';
948: my $allmeta='';
949: my $content='';
950: my %allow=();
951:
952: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
953: return ('<span class="LC_error">'.&mt('No write permission to user directory, FAIL').'</span>',1);
954: }
955: print $logfile
956: "\n\n================= Publish ".localtime()." Phase One ================\n".$env{'user.name'}.':'.$env{'user.domain'}."\n";
957:
958: if (($style eq 'ssi') || ($style eq 'rat') || ($style eq 'prv')) {
959: # ------------------------------------------------------- This needs processing
960:
961: # ----------------------------------------------------------------- Backup Copy
962: my $copyfile=$source.'.save';
963: if (copy($source,$copyfile)) {
964: print $logfile "Copied original file to ".$copyfile."\n";
965: } else {
966: print $logfile "Unable to write backup ".$copyfile.':'.$!."\n";
967: return ("<span class=\"LC_error\">Failed to write backup copy, $!,FAIL</span>",1);
968: }
969: # ------------------------------------------------------------- IDs and indices
970:
971: my ($outstring,$error);
972: ($outstring,$error,%allow)=&fix_ids_and_indices($logfile,$source,
973: $target);
974: if ($error) { return ($outstring,$error); }
975: # ------------------------------------------------------------ Construct Allows
976:
977: $scrout.='<h3>'.&mt('Dependencies').'</h3>';
978: my $allowstr='';
979: foreach my $thisdep (sort(keys(%allow))) {
980: if ($thisdep !~ /[^\s]/) { next; }
981: if ($thisdep =~/\$/) {
982: $scrout.='<br /><span class="LC_warning">'
983: .&mt('The resource depends on another resource with variable filename, i.e., [_1].','<tt>'.$thisdep.'</tt>').'<br />'
984: .&mt('You likely need to explicitly allow access to all possible dependencies using the [_1]-tag.','<tt><allow></tt>')
985: .'</span><br />';
986: }
987: unless ($style eq 'rat') {
988: $allowstr.="\n".'<allow src="'.$thisdep.'" />';
989: }
990: $scrout.='<br />';
991: if ($thisdep!~/[\*\$]/ && $thisdep!~m|^/adm/|) {
992: $scrout.='<a href="'.$thisdep.'">';
993: }
994: $scrout.='<tt>'.$thisdep.'</tt>';
995: if ($thisdep!~/[\*\$]/ && $thisdep!~m|^/adm/|) {
996: $scrout.='</a>';
997: if (
998: &Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
999: $thisdep.'.meta') eq '-1') {
1000: $scrout.= ' - <span class="LC_error">'.&mt('Currently not available').
1001: '</span>';
1002: } else {
1003: my %temphash=(&Apache::lonnet::declutter($target).'___'.
1004: &Apache::lonnet::declutter($thisdep).'___usage'
1005: => time);
1006: $thisdep=~m{^/res/($match_domain)/($match_username)/};
1007: if ((defined($1)) && (defined($2))) {
1008: &Apache::lonnet::put('nohist_resevaldata',\%temphash,
1009: $1,$2);
1010: }
1011: }
1012: }
1013: }
1014: $outstring=~s/\n*(\<\/[^\>]+\>[^<]*)$/$allowstr\n$1\n/s;
1015:
1016: # ------------------------------------------------------------- Write modified.
1017:
1018: {
1019: my $org;
1020: unless ($org=Apache::File->new('>'.$source)) {
1021: print $logfile "No write permit to $source\n";
1022: return ('<span class="LC_error">'.&mt('No write permission to').
1023: ' '.$source.
1024: ', '.&mt('FAIL').'</span>',1);
1025: }
1026: print($org $outstring);
1027: }
1028: $content=$outstring;
1029:
1030: }
1031: # -------------------------------------------- Initial step done, now metadata.
1032:
1033: # --------------------------------------- Storage for metadata keys and fields.
1034: # these are globals
1035: #
1036: %metadatafields=();
1037: %metadatakeys=();
1038:
1039: my %oldparmstores=();
1040:
1041: unless ($batch) {
1042: $scrout.='<h3>'.&mt('Metadata Information').' ' .
1043: Apache::loncommon::help_open_topic("Metadata_Description")
1044: . '</h3>';
1045: }
1046:
1047: # ------------------------------------------------ First, check out environment
1048: if ((!(-e $source.'.meta')) || ($env{'form.forceoverride'})) {
1049: $metadatafields{'author'}=$env{'environment.firstname'}.' '.
1050: $env{'environment.middlename'}.' '.
1051: $env{'environment.lastname'}.' '.
1052: $env{'environment.generation'};
1053: $metadatafields{'author'}=~s/\s+/ /g;
1054: $metadatafields{'author'}=~s/\s+$//;
1055: $metadatafields{'owner'}=$cuname.':'.$cudom;
1056:
1057: # ------------------------------------------------ Check out directory hierachy
1058:
1059: my $thisdisfn=$source;
1060: $thisdisfn=~s/^\/home\/\Q$cuname\E\///;
1061:
1062: my @urlparts=split(/\//,$thisdisfn);
1063: $#urlparts--;
1064:
1065: my $currentpath='/home/'.$cuname.'/';
1066:
1067: my $prefix='../'x($#urlparts);
1068: foreach (@urlparts) {
1069: $currentpath.=$_.'/';
1070: $scrout.=&metaread($logfile,$currentpath.'default.meta',$prefix);
1071: $prefix=~s|^\.\./||;
1072: }
1073:
1074: # ----------------------------------------------------------- Parse file itself
1075: # read %metadatafields from file itself
1076:
1077: $allmeta=&parseformeta($source,$style);
1078:
1079: # ------------------- Clear out parameters and stores (there should not be any)
1080:
1081: foreach (keys %metadatafields) {
1082: if (($_=~/^parameter/) || ($_=~/^stores/)) {
1083: delete $metadatafields{$_};
1084: }
1085: }
1086:
1087: } else {
1088: # ---------------------- Read previous metafile, remember parameters and stores
1089:
1090: $scrout.=&metaread($logfile,$source.'.meta');
1091:
1092: foreach (keys %metadatafields) {
1093: if (($_=~/^parameter/) || ($_=~/^stores/)) {
1094: $oldparmstores{$_}=1;
1095: delete $metadatafields{$_};
1096: }
1097: }
1098: # ------------------------------------------------------------- Save some stuff
1099: my %savemeta=();
1100: foreach ('title') {
1101: $savemeta{$_}=$metadatafields{$_};
1102: }
1103: # ------------------------------------------ See if anything new in file itself
1104:
1105: $allmeta=&parseformeta($source,$style);
1106: # ----------------------------------------------------------- Restore the stuff
1107: foreach (keys %savemeta) {
1108: $metadatafields{$_}=$savemeta{$_};
1109: }
1110: }
1111:
1112:
1113: # ---------------- Find and document discrepancies in the parameters and stores
1114:
1115: my $chparms='';
1116: foreach (sort keys %metadatafields) {
1117: if (($_=~/^parameter/) || ($_=~/^stores/)) {
1118: unless ($_=~/\.\w+$/) {
1119: unless ($oldparmstores{$_}) {
1120: my $disp_key = $_;
1121: $disp_key =~ tr/\0/_/;
1122: print $logfile ('New: '.$disp_key."\n");
1123: $chparms .= $disp_key.' ';
1124: }
1125: }
1126: }
1127: }
1128: if ($chparms) {
1129: $scrout.='<p><b>'.&mt('New parameters or saved values').
1130: ':</b> '.$chparms.'</p>';
1131: }
1132:
1133: $chparms='';
1134: foreach (sort keys %oldparmstores) {
1135: if (($_=~/^parameter/) || ($_=~/^stores/)) {
1136: unless (($metadatafields{$_.'.name'}) ||
1137: ($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) {
1138: my $disp_key = $_;
1139: $disp_key =~ tr/\0/_/;
1140: print $logfile ('Obsolete: '.$disp_key."\n");
1141: $chparms.=$disp_key.' ';
1142: }
1143: }
1144: }
1145: if ($chparms) {
1146: $scrout.='<p><b>'.&mt('Obsolete parameters or saved values').':</b> '.
1147: $chparms.'</p><h1><span class="LC_warning">'.&mt('Warning!').
1148: '</span></h1><p><span class="LC_warning">'.
1149: &mt('If this resource is in active use, student performance data from the previous version may become inaccessible.').'</span></p><hr />';
1150: }
1151: if ($metadatafields{'copyright'} eq 'priv') {
1152: $scrout.='</p><h1><span class="LC_warning">'.&mt('Warning!').
1153: '</span></h1><p><span class="LC_warning">'.
1154: &mt('Copyright/distribution option "Private" is no longer supported. Select another option from below. Consider "Custom Rights" for maximum control over the usage of your resource.').'</span></p><hr />';
1155: }
1156:
1157: # ------------------------------------------------------- Now have all metadata
1158:
1159: my %keywords=();
1160:
1161: if (length($content)<500000) {
1162: my $textonly=$content;
1163: $textonly=~s/\<script[^\<]+\<\/script\>//g;
1164: $textonly=~s/\<m\>[^\<]+\<\/m\>//g;
1165: $textonly=~s/\<[^\>]*\>//g;
1166: $textonly=~tr/A-Z/a-z/;
1167: $textonly=~s/[\$\&][a-z]\w*//g;
1168: $textonly=~s/[^a-z\s]//g;
1169:
1170: foreach ($textonly=~m/(\w+)/g) {
1171: unless ($nokey{$_}) {
1172: $keywords{$_}=1;
1173: }
1174: }
1175: }
1176:
1177:
1178: foreach my $addkey (split(/[\"\'\,\;]/,$metadatafields{'keywords'})) {
1179: $addkey=~s/\s+/ /g;
1180: $addkey=~s/^\s//;
1181: $addkey=~s/\s$//;
1182: if ($addkey=~/\w/) {
1183: $keywords{$addkey}=1;
1184: }
1185: }
1186: # --------------------------------------------------- Now we also have keywords
1187: # =============================================================================
1188: # interactive mode html goes into $intr_scrout
1189: # batch mode throws away this HTML
1190: # additionally all of the field functions have a by product of setting
1191: # $env{'from.'..} so that it can be used by the phase two handler in
1192: # batch mode
1193:
1194: my $intr_scrout.=
1195: '<form name="pubform" action="/adm/publish" method="post">'.
1196: '<p>'.($env{'form.makeobsolete'}?'':'<input type="submit" value="'.&mt('Finalize Publication').'" />').'</p>'.
1197: &hiddenfield('phase','two').
1198: &hiddenfield('filename',$env{'form.filename'}).
1199: &hiddenfield('allmeta',&escape($allmeta)).
1200: &hiddenfield('dependencies',join(',',keys %allow));
1201: unless ($env{'form.makeobsolete'}) {
1202: $intr_scrout.=
1203: &textfield('Title','title',$metadatafields{'title'}).
1204: &textfield('Author(s)','author',$metadatafields{'author'}).
1205: &textfield('Subject','subject',$metadatafields{'subject'});
1206: # --------------------------------------------------- Scan content for keywords
1207:
1208: my $keywords_help = Apache::loncommon::help_open_topic("Publishing_Keywords");
1209: my $KEYWORDS=&mt('Keywords');
1210: my $CheckAll=&mt('check all');
1211: my $UncheckAll=&mt('uncheck all');
1212: my $keywordout=<<"END";
1213: <script>
1214: function checkAll(field) {
1215: for (i = 0; i < field.length; i++)
1216: field[i].checked = true ;
1217: }
1218:
1219: function uncheckAll(field) {
1220: for (i = 0; i < field.length; i++)
1221: field[i].checked = false ;
1222: }
1223: </script>
1224: <p><font color="#800000" face="helvetica"><b>$KEYWORDS:</b></font>
1225: $keywords_help</b>
1226: <input type="button" value="$CheckAll" onclick="javascript:checkAll(document.pubform.keywords)" />
1227: <input type="button" value="$UncheckAll" onclick="javascript:uncheckAll(document.pubform.keywords)" />
1228: </p>
1229: <br />
1230: END
1231: $keywordout.='<table border="2"><tr>';
1232: my $colcount=0;
1233:
1234: foreach (sort keys %keywords) {
1235: $keywordout.='<td><label><input type="checkbox" name="keywords" value="'.$_.'"';
1236: if ($metadatafields{'keywords'}) {
1237: if ($metadatafields{'keywords'}=~/\Q$_\E/) {
1238: $keywordout.=' checked="on"';
1239: $env{'form.keywords'}.=$_.',';
1240: }
1241: } elsif (&Apache::loncommon::keyword($_)) {
1242: $keywordout.=' checked="on"';
1243: $env{'form.keywords'}.=$_.',';
1244: }
1245: $keywordout.=' />'.$_.'</label></td>';
1246: if ($colcount>10) {
1247: $keywordout.="</tr><tr>\n";
1248: $colcount=0;
1249: }
1250: $colcount++;
1251: }
1252: $env{'form.keywords'}=~s/\,$//;
1253:
1254: $keywordout.='</tr></table>';
1255:
1256: $intr_scrout.=$keywordout;
1257:
1258: $intr_scrout.=&textfield('Additional Keywords','addkey','');
1259:
1260: $intr_scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
1261:
1262: $intr_scrout.=
1263: "\n<p><font color=\"#800000\" face=\"helvetica\"><b>".&mt('Abstract').":".
1264: "</b></font></p><br />".
1265: '<textarea cols="80" rows="5" name="abstract">'.
1266: $metadatafields{'abstract'}.'</textarea></p>';
1267:
1268: $source=~/\.(\w+)$/;
1269:
1270:
1271: $intr_scrout.=
1272: "\n<p><font color=\"#800000\" face=\"helvetica\"><b>".
1273: &mt('Lowest Grade Level').':'.
1274: "</b></font></p><br />".
1275: &select_level_form($metadatafields{'lowestgradelevel'},'lowestgradelevel').
1276: "\n<p><font color=\"#800000\" face=\"helvetica\"><b>".
1277: &mt('Highest Grade Level').':'.
1278: "</b></font></p><br />".
1279: &select_level_form($metadatafields{'highestgradelevel'},'highestgradelevel').
1280: &textfield('Standards','standards',$metadatafields{'standards'});
1281:
1282:
1283:
1284:
1285: $intr_scrout.=&hiddenfield('mime',$1);
1286:
1287: my $defaultlanguage=$metadatafields{'language'};
1288: $defaultlanguage =~ s/\s*notset\s*//g;
1289: $defaultlanguage =~ s/^,\s*//g;
1290: $defaultlanguage =~ s/,\s*$//g;
1291:
1292: $intr_scrout.=&selectbox('Language','language',
1293: $defaultlanguage,
1294: \&Apache::loncommon::languagedescription,
1295: (&Apache::loncommon::languageids),
1296: );
1297:
1298: unless ($metadatafields{'creationdate'}) {
1299: $metadatafields{'creationdate'}=time;
1300: }
1301: $intr_scrout.=&hiddenfield('creationdate',
1302: &Apache::lonmysql::unsqltime($metadatafields{'creationdate'}));
1303:
1304: $intr_scrout.=&hiddenfield('lastrevisiondate',time);
1305:
1306:
1307: $intr_scrout.=&textfield('Publisher/Owner','owner',
1308: $metadatafields{'owner'});
1309:
1310: # ---------------------------------------------- Retrofix for unused copyright
1311: if ($metadatafields{'copyright'} eq 'free') {
1312: $metadatafields{'copyright'}='default';
1313: $metadatafields{'sourceavail'}='open';
1314: }
1315: if ($metadatafields{'copyright'} eq 'priv') {
1316: $metadatafields{'copyright'}='domain';
1317: }
1318: # ------------------------------------------------ Dial in reasonable defaults
1319: my $defaultoption=$metadatafields{'copyright'};
1320: unless ($defaultoption) { $defaultoption='default'; }
1321: my $defaultsourceoption=$metadatafields{'sourceavail'};
1322: unless ($defaultsourceoption) { $defaultsourceoption='closed'; }
1323: unless ($style eq 'prv') {
1324: # -------------------------------------------------- Correct copyright for rat.
1325: if ($style eq 'rat') {
1326: # -------------------------------------- Retrofix for non-applicable copyright
1327: if ($metadatafields{'copyright'} eq 'public') {
1328: delete $metadatafields{'copyright'};
1329: $defaultoption='default';
1330: }
1331: $intr_scrout.=&selectbox('Copyright/Distribution','copyright',
1332: $defaultoption,
1333: \&Apache::loncommon::copyrightdescription,
1334: (grep !/^(public|priv)$/,(&Apache::loncommon::copyrightids)));
1335: } else {
1336: $intr_scrout.=&selectbox('Copyright/Distribution','copyright',
1337: $defaultoption,
1338: \&Apache::loncommon::copyrightdescription,
1339: (grep !/^priv$/,(&Apache::loncommon::copyrightids)));
1340: }
1341: my $copyright_help =
1342: Apache::loncommon::help_open_topic('Publishing_Copyright');
1343: $intr_scrout =~ s/Distribution:/'Distribution: ' . $copyright_help/ge;
1344: $intr_scrout.=&text_with_browse_field('Custom Distribution File','customdistributionfile',$metadatafields{'customdistributionfile'},'rights').$copyright_help;
1345: $intr_scrout.=&selectbox('Source Distribution','sourceavail',
1346: $defaultsourceoption,
1347: \&Apache::loncommon::source_copyrightdescription,
1348: (&Apache::loncommon::source_copyrightids));
1349: # $intr_scrout.=&text_with_browse_field('Source Custom Distribution File','sourcerights',$metadatafields{'sourcerights'},'rights');
1350: my $uctitle=&mt('Obsolete');
1351: $intr_scrout.=
1352: "\n<p><label><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:".
1353: '</b></font> <input type="checkbox" name="obsolete" ';
1354: if ($metadatafields{'obsolete'}) {
1355: $intr_scrout.=' checked="1" ';
1356: }
1357: $intr_scrout.='/ ></label></p>'.
1358: &text_with_browse_field('Suggested Replacement for Obsolete File',
1359: 'obsoletereplacement',
1360: $metadatafields{'obsoletereplacement'});
1361: } else {
1362: $intr_scrout.=&hiddenfield('copyright','private');
1363: }
1364: } else {
1365: $intr_scrout.=
1366: &hiddenfield('title',$metadatafields{'title'}).
1367: &hiddenfield('author',$metadatafields{'author'}).
1368: &hiddenfield('subject',$metadatafields{'subject'}).
1369: &hiddenfield('keywords',$metadatafields{'keywords'}).
1370: &hiddenfield('abstract',$metadatafields{'abstract'}).
1371: &hiddenfield('notes',$metadatafields{'notes'}).
1372: &hiddenfield('mime',$metadatafields{'mime'}).
1373: &hiddenfield('creationdate',$metadatafields{'creationdate'}).
1374: &hiddenfield('lastrevisiondate',time).
1375: &hiddenfield('owner',$metadatafields{'owner'}).
1376: &hiddenfield('lowestgradelevel',$metadatafields{'lowestgradelevel'}).
1377: &hiddenfield('standards',$metadatafields{'standards'}).
1378: &hiddenfield('highestgradelevel',$metadatafields{'highestgradelevel'}).
1379: &hiddenfield('language',$metadatafields{'language'}).
1380: &hiddenfield('copyright',$metadatafields{'copyright'}).
1381: &hiddenfield('sourceavail',$metadatafields{'sourceavail'}).
1382: &hiddenfield('customdistributionfile',$metadatafields{'customdistributionfile'}).
1383: &hiddenfield('obsolete',1).
1384: &text_with_browse_field('Suggested Replacement for Obsolete File',
1385: 'obsoletereplacement',
1386: $metadatafields{'obsoletereplacement'});
1387: }
1388: if (!$batch) {
1389: $scrout.=$intr_scrout.'<p><input type="submit" value="'.
1390: &mt($env{'form.makeobsolete'}?'Make Obsolete':'Finalize Publication').'" /></p></form>';
1391: }
1392: return($scrout,0);
1393: }
1394:
1395: #########################################
1396: #########################################
1397:
1398: =pod
1399:
1400: =item B<phasetwo>
1401:
1402: Render second interface showing status of publication steps.
1403: This is publication step two.
1404:
1405: Parameters:
1406:
1407: =over 4
1408:
1409: =item I<$source>
1410:
1411: =item I<$target>
1412:
1413: =item I<$style>
1414:
1415: =item I<$distarget>
1416:
1417: =back
1418:
1419: Returns:
1420:
1421: =over 4
1422:
1423: =item integer
1424:
1425: 0: fail
1426: 1: success
1427:
1428: =cut
1429:
1430: #'stupid emacs
1431: #########################################
1432: #########################################
1433: sub phasetwo {
1434:
1435: my ($r,$source,$target,$style,$distarget,$batch)=@_;
1436: $source=~s/\/+/\//g;
1437: $target=~s/\/+/\//g;
1438: #
1439: # Unless trying to get rid of something, check name validity
1440: #
1441: unless ($env{'form.obsolete'}) {
1442: if ($target=~/(\_\_\_|\&\&\&|\:\:\:)/) {
1443: $r->print('<span class="LC_error">'.
1444: &mt('Unsupported character combination [_1] in filename, FAIL.',"<tt>'.$1.'</tt>").
1445: '</span>');
1446: return 0;
1447: }
1448: unless ($target=~/\.(\w+)$/) {
1449: $r->print('<span class="LC_error">'.&mt('No valid extension found in filename, FAIL').'</span>');
1450: return 0;
1451: }
1452: if ($target=~/\.(\d+)\.(\w+)$/) {
1453: $r->print('<span class="LC_error">'.&mt('Cannot publish versioned resource, FAIL').'</span>');
1454: return 0;
1455: }
1456: }
1457:
1458: #
1459: # End name check
1460: #
1461: $distarget=~s/\/+/\//g;
1462: my $logfile;
1463: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
1464: $r->print(
1465: '<span class="LC_error">'.
1466: &mt('No write permission to user directory, FAIL').'</span>');
1467: return 0;
1468: }
1469:
1470: if ($source =~ /\.rights$/) {
1471: $r->print('<p><span class="LC_warning">'.&mt('Warning: It can take up to 1 hour for rights changes to fully propagate.').'</span></p>');
1472: }
1473:
1474: print $logfile
1475: "\n================= Publish ".localtime()." Phase Two ================\n".$env{'user.name'}.':'.$env{'user.domain'}."\n";
1476:
1477: %metadatafields=();
1478: %metadatakeys=();
1479:
1480: &metaeval(&unescape($env{'form.allmeta'}));
1481:
1482: $metadatafields{'title'}=$env{'form.title'};
1483: $metadatafields{'author'}=$env{'form.author'};
1484: $metadatafields{'subject'}=$env{'form.subject'};
1485: $metadatafields{'notes'}=$env{'form.notes'};
1486: $metadatafields{'abstract'}=$env{'form.abstract'};
1487: $metadatafields{'mime'}=$env{'form.mime'};
1488: $metadatafields{'language'}=$env{'form.language'};
1489: $metadatafields{'creationdate'}=$env{'form.creationdate'};
1490: $metadatafields{'lastrevisiondate'}=$env{'form.lastrevisiondate'};
1491: $metadatafields{'owner'}=$env{'form.owner'};
1492: $metadatafields{'copyright'}=$env{'form.copyright'};
1493: $metadatafields{'standards'}=$env{'form.standards'};
1494: $metadatafields{'lowestgradelevel'}=$env{'form.lowestgradelevel'};
1495: $metadatafields{'highestgradelevel'}=$env{'form.highestgradelevel'};
1496: $metadatafields{'customdistributionfile'}=
1497: $env{'form.customdistributionfile'};
1498: $metadatafields{'sourceavail'}=$env{'form.sourceavail'};
1499: $metadatafields{'obsolete'}=$env{'form.obsolete'};
1500: $metadatafields{'obsoletereplacement'}=
1501: $env{'form.obsoletereplacement'};
1502: $metadatafields{'dependencies'}=$env{'form.dependencies'};
1503: $metadatafields{'modifyinguser'}=$env{'user.name'}.':'.
1504: $env{'user.domain'};
1505: $metadatafields{'authorspace'}=$cuname.':'.$cudom;
1506: $metadatafields{'domain'}=$cudom;
1507:
1508: my $allkeywords=$env{'form.addkey'};
1509: if (exists($env{'form.keywords'})) {
1510: if (ref($env{'form.keywords'})) {
1511: $allkeywords .= ','.join(',',@{$env{'form.keywords'}});
1512: } else {
1513: $allkeywords .= ','.$env{'form.keywords'};
1514: }
1515: }
1516: $allkeywords=~s/[\"\']//g;
1517: $allkeywords=~s/\s*[\;\,]\s*/\,/g;
1518: $allkeywords=~s/\s+/ /g;
1519: $allkeywords=~s/^[ \,]//;
1520: $allkeywords=~s/[ \,]$//;
1521: $metadatafields{'keywords'}=$allkeywords;
1522:
1523: # check if custom distribution file is specified
1524: if ($metadatafields{'copyright'} eq 'custom') {
1525: my $file=$metadatafields{'customdistributionfile'};
1526: unless ($file=~/\.rights$/) {
1527: $r->print(
1528: '<span class="LC_error">'.&mt('No valid custom distribution rights file specified, FAIL').
1529: '</span>');
1530: return 0;
1531: }
1532: }
1533: {
1534: print $logfile "\nWrite metadata file for ".$source;
1535: my $mfh;
1536: unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
1537: $r->print(
1538: '<span class="LC_error">'.&mt('Could not write metadata, FAIL').
1539: '</span>');
1540: return 0;
1541: }
1542: foreach (sort keys %metadatafields) {
1543: unless ($_=~/\./) {
1544: my $unikey=$_;
1545: $unikey=~/^([A-Za-z]+)/;
1546: my $tag=$1;
1547: $tag=~tr/A-Z/a-z/;
1548: print $mfh "\n\<$tag";
1549: foreach (split(/\,/,$metadatakeys{$unikey})) {
1550: my $value=$metadatafields{$unikey.'.'.$_};
1551: $value=~s/\"/\'\'/g;
1552: print $mfh ' '.$_.'="'.$value.'"';
1553: }
1554: print $mfh '>'.
1555: &HTML::Entities::encode($metadatafields{$unikey},'<>&"')
1556: .'</'.$tag.'>';
1557: }
1558: }
1559: $r->print('<p>'.&mt('Wrote Metadata').'</p>');
1560: print $logfile "\nWrote metadata";
1561: }
1562:
1563: # -------------------------------- Synchronize entry with SQL metadata database
1564:
1565: $metadatafields{'url'} = $distarget;
1566: $metadatafields{'version'} = 'current';
1567:
1568: my ($error,$success) = &store_metadata(%metadatafields);
1569: if ($success) {
1570: $r->print('<p>'.&mt('Synchronized SQL metadata database').'</p>');
1571: print $logfile "\nSynchronized SQL metadata database";
1572: } else {
1573: $r->print($error);
1574: print $logfile "\n".$error;
1575: }
1576: # --------------------------------------------- Delete author resource messages
1577: my $delresult=&Apache::lonmsg::del_url_author_res_msg($target);
1578: $r->print('<p>'.&mt('Removing error messages:').' '.$delresult.'</p>');
1579: print $logfile "\nRemoving error messages: $delresult";
1580: # ----------------------------------------------------------- Copy old versions
1581:
1582: if (-e $target) {
1583: my $filename;
1584: my $maxversion=0;
1585: $target=~/(.*)\/([^\/]+)\.(\w+)$/;
1586: my $srcf=$2;
1587: my $srct=$3;
1588: my $srcd=$1;
1589: unless ($srcd=~/^\/home\/httpd\/html\/res/) {
1590: print $logfile "\nPANIC: Target dir is ".$srcd;
1591: $r->print(
1592: "<span class=\"LC_error\">Invalid target directory, FAIL</span>");
1593: return 0;
1594: }
1595: opendir(DIR,$srcd);
1596: while ($filename=readdir(DIR)) {
1597: if (-l $srcd.'/'.$filename) {
1598: unlink($srcd.'/'.$filename);
1599: unlink($srcd.'/'.$filename.'.meta');
1600: } else {
1601: if ($filename=~/\Q$srcf\E\.(\d+)\.\Q$srct\E$/) {
1602: $maxversion=($1>$maxversion)?$1:$maxversion;
1603: }
1604: }
1605: }
1606: closedir(DIR);
1607: $maxversion++;
1608: $r->print('<p>Creating old version '.$maxversion.'</p>');
1609: print $logfile "\nCreating old version ".$maxversion."\n";
1610:
1611: my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
1612:
1613: if (copy($target,$copyfile)) {
1614: print $logfile "Copied old target to ".$copyfile."\n";
1615: $r->print('<p>'.&mt('Copied old target file').'</p>');
1616: } else {
1617: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
1618: $r->print("<span class=\"LC_error\">".&mt('Failed to copy old target').
1619: ", $!, ".&mt('FAIL')."</span>");
1620: return 0;
1621: }
1622:
1623: # --------------------------------------------------------------- Copy Metadata
1624:
1625: $copyfile=$copyfile.'.meta';
1626:
1627: if (copy($target.'.meta',$copyfile)) {
1628: print $logfile "Copied old target metadata to ".$copyfile."\n";
1629: $r->print('<p>'.&mt('Copied old metadata').'</p>')
1630: } else {
1631: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
1632: if (-e $target.'.meta') {
1633: $r->print(
1634: "<span class=\"LC_error\">".
1635: &mt('Failed to write old metadata copy').", $!, ".&mt('FAIL')."</span>");
1636: return 0;
1637: }
1638: }
1639:
1640:
1641: } else {
1642: $r->print('<p>'.&mt('Initial version').'</p>');
1643: print $logfile "\nInitial version";
1644: }
1645:
1646: # ---------------------------------------------------------------- Write Source
1647: my $copyfile=$target;
1648:
1649: my @parts=split(/\//,$copyfile);
1650: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
1651:
1652: my $count;
1653: for ($count=5;$count<$#parts;$count++) {
1654: $path.="/$parts[$count]";
1655: if ((-e $path)!=1) {
1656: print $logfile "\nCreating directory ".$path;
1657: $r->print('<p>'.&mt('Created directory').' '.$parts[$count].'</p>');
1658: mkdir($path,0777);
1659: }
1660: }
1661:
1662: if (copy($source,$copyfile)) {
1663: print $logfile "\nCopied original source to ".$copyfile."\n";
1664: $r->print('<p>'.&mt('Copied source file').'</p>');
1665: } else {
1666: print $logfile "\nUnable to write ".$copyfile.':'.$!."\n";
1667: $r->print("<span class=\"LC_error\">".
1668: &mt('Failed to copy source').", $!, ".&mt('FAIL')."</span>");
1669: return 0;
1670: }
1671:
1672: # --------------------------------------------------------------- Copy Metadata
1673:
1674: $copyfile=$copyfile.'.meta';
1675:
1676: if (copy($source.'.meta',$copyfile)) {
1677: print $logfile "\nCopied original metadata to ".$copyfile."\n";
1678: $r->print('<p>'.&mt('Copied metadata').'</p>');
1679: } else {
1680: print $logfile "\nUnable to write metadata ".$copyfile.':'.$!."\n";
1681: $r->print(
1682: "<span class=\"LC_error\">".&mt('Failed to write metadata copy').", $!, ".&mt('FAIL')."</span>");
1683: return 0;
1684: }
1685: $r->rflush;
1686:
1687: # ------------------------------------------------------------- Trigger updates
1688: push(@{$modified_urls},[$target,$source]);
1689: unless ($registered_cleanup) {
1690: $r->register_cleanup(\¬ify);
1691: $registered_cleanup=1;
1692: }
1693:
1694: # ---------------------------------------------------------- Clear local caches
1695: my $thisdistarget=$target;
1696: $thisdistarget=~s/^\Q$docroot\E//;
1697: &Apache::lonnet::devalidate_cache_new('resversion',$target);
1698: &Apache::lonnet::devalidate_cache_new('meta',
1699: &Apache::lonnet::declutter($thisdistarget));
1700:
1701: # ------------------------------------------------ Provide link to new resource
1702: unless ($batch) {
1703:
1704: my $thissrc=$source;
1705: $thissrc=~s{^/home/($match_username)/public_html}{/priv/$1};
1706:
1707: my $thissrcdir=$thissrc;
1708: $thissrcdir=~s/\/[^\/]+$/\//;
1709:
1710:
1711: $r->print(
1712: '<hr /><a href="'.$thisdistarget.'"><font size="+2">'.
1713: &mt('View Published Version').'</font></a>'.
1714: '<p><a href="'.$thissrc.'"><font size=+2>'.
1715: &mt('Back to Source').'</font></a></p>'.
1716: '<p><a href="'.$thissrcdir.
1717: '"><font size="+2">'.
1718: &mt('Back to Source Directory').'</font></a></p>');
1719: }
1720: $logfile->close();
1721: $r->print('<p><font color="green">'.&mt('Done').'</font></p>');
1722: return 1;
1723: }
1724:
1725: # =============================================================== Notifications
1726: sub notify {
1727: # --------------------------------------------------- Send update notifications
1728: foreach my $targetsource (@{$modified_urls}){
1729: my ($target,$source)=@{$targetsource};
1730: my $logfile=Apache::File->new('>>'.$source.'.log');
1731: print $logfile "\nCleanup phase: Notifications\n";
1732: my @subscribed=&get_subscribed_hosts($target);
1733: foreach my $subhost (@subscribed) {
1734: print $logfile "\nNotifying host ".$subhost.':';
1735: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
1736: print $logfile $reply;
1737: }
1738: # ---------------------------------------- Send update notifications, meta only
1739: my @subscribedmeta=&get_subscribed_hosts("$target.meta");
1740: foreach my $subhost (@subscribedmeta) {
1741: print $logfile "\nNotifying host for metadata only ".$subhost.':';
1742: my $reply=&Apache::lonnet::critical('update:'.$target.'.meta',
1743: $subhost);
1744: print $logfile $reply;
1745: }
1746: # --------------------------------------------------- Notify subscribed courses
1747: my %courses=&coursedependencies($target);
1748: my $now=time;
1749: foreach (keys %courses) {
1750: print $logfile "\nNotifying course ".$_.':';
1751: my ($cdom,$cname)=split(/\_/,$_);
1752: my $reply=&Apache::lonnet::cput
1753: ('versionupdate',{$target => $now},$cdom,$cname);
1754: print $logfile $reply;
1755: }
1756: print $logfile "\n============ Done ============\n";
1757: $logfile->close();
1758: }
1759: if ($lock) { &Apache::lonnet::remove_lock($lock); }
1760: return OK;
1761: }
1762:
1763: #########################################
1764:
1765: sub batchpublish {
1766: my ($r,$srcfile,$targetfile)=@_;
1767: #publication pollutes %env with form.* values
1768: my %oldenv=%env;
1769: $srcfile=~s/\/+/\//g;
1770: $targetfile=~s/\/+/\//g;
1771: my $thisdisfn=$srcfile;
1772: $thisdisfn=~s/\/home\/korte\/public_html\///;
1773: $srcfile=~s/\/+/\//g;
1774:
1775: my $docroot=$r->dir_config('lonDocRoot');
1776: my $thisdistarget=$targetfile;
1777: $thisdistarget=~s/^\Q$docroot\E//;
1778:
1779:
1780: %metadatafields=();
1781: %metadatakeys=();
1782: $srcfile=~/\.(\w+)$/;
1783: my $thistype=$1;
1784:
1785:
1786: my $thisembstyle=&Apache::loncommon::fileembstyle($thistype);
1787:
1788: $r->print('<h2>'.&mt('Publishing').' <tt>'.$thisdisfn.'</tt></h2>');
1789:
1790: # phase one takes
1791: # my ($source,$target,$style,$batch)=@_;
1792: my ($outstring,$error)=&publish($srcfile,$targetfile,$thisembstyle,1);
1793: $r->print('<p>'.$outstring.'</p>');
1794: # phase two takes
1795: # my ($source,$target,$style,$distarget,batch)=@_;
1796: # $env{'form.allmeta'},$env{'form.title'},$env{'form.author'},...
1797: if (!$error) {
1798: $r->print('<p>');
1799: &phasetwo($r,$srcfile,$targetfile,$thisembstyle,$thisdistarget,1);
1800: $r->print('</p>');
1801: }
1802: %env=%oldenv;
1803: return '';
1804: }
1805:
1806: #########################################
1807:
1808: sub publishdirectory {
1809: my ($r,$fn,$thisdisfn)=@_;
1810: $fn=~s/\/+/\//g;
1811: $thisdisfn=~s/\/+/\//g;
1812: my $resdir=
1813: $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$cudom.'/'.$cuname.'/'.
1814: $thisdisfn;
1815: $r->print('<h1>'.&mt('Directory').' <tt>'.$thisdisfn.'</tt></h1>'.
1816: &mt('Target').': <tt>'.$resdir.'</tt><br />');
1817:
1818: my $dirptr=16384; # Mask indicating a directory in stat.cmode.
1819: unless ($env{'form.phase'} eq 'two') {
1820: # ask user what they want
1821: $r->print('<form name="pubdirpref" method="post">'.
1822: &hiddenfield('phase','two').
1823: &hiddenfield('filename',$env{'form.filename'}).
1824: &checkbox('pubrec','include subdirectories').
1825: &checkbox('forcerepub','force republication of previously published files').
1826: &checkbox('obsolete','make file(s) obsolete').
1827: &checkbox('forceoverride','force directory level catalog information over existing').
1828: '<br /><input type="submit" value="'.&mt('Publish Directory').'" /></form>');
1829: $lock=0;
1830: } else {
1831: unless ($lock) { $lock=&Apache::lonnet::set_lock(&mt('Publishing [_1]',$fn)); }
1832: # actually publish things
1833: opendir(DIR,$fn);
1834: my @files=sort(readdir(DIR));
1835: foreach my $filename (@files) {
1836: my ($cdev,$cino,$cmode,$cnlink,
1837: $cuid,$cgid,$crdev,$csize,
1838: $catime,$cmtime,$cctime,
1839: $cblksize,$cblocks)=stat($fn.'/'.$filename);
1840:
1841: my $extension='';
1842: if ($filename=~/\.(\w+)$/) { $extension=$1; }
1843: if ($cmode&$dirptr) {
1844: if (($filename!~/^\./) && ($env{'form.pubrec'})) {
1845: &publishdirectory($r,$fn.'/'.$filename,$thisdisfn.'/'.$filename);
1846: }
1847: } elsif ((&Apache::loncommon::fileembstyle($extension) ne 'hdn') &&
1848: ($filename!~/^[\#\.]/) && ($filename!~/\~$/)) {
1849: # find out publication status and/or exiting metadata
1850: my $publishthis=0;
1851: if (-e $resdir.'/'.$filename) {
1852: my ($rdev,$rino,$rmode,$rnlink,
1853: $ruid,$rgid,$rrdev,$rsize,
1854: $ratime,$rmtime,$rctime,
1855: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
1856: if (($rmtime<$cmtime) || ($env{'form.forcerepub'})) {
1857: # previously published, modified now
1858: $publishthis=1;
1859: }
1860: my $meta_cmtime = (stat($fn.'/'.$filename.'.meta'))[9];
1861: my $meta_rmtime = (stat($resdir.'/'.$filename.'.meta'))[9];
1862: if ( $meta_rmtime<$meta_cmtime ) {
1863: $publishthis=1;
1864: }
1865: } else {
1866: # never published
1867: $publishthis=1;
1868: }
1869:
1870: if ($publishthis) {
1871: &batchpublish($r,$fn.'/'.$filename,$resdir.'/'.$filename);
1872: } else {
1873: $r->print('<br />'.&mt('Skipping').' '.$filename.'<br />');
1874: }
1875: $r->rflush();
1876: }
1877: }
1878: closedir(DIR);
1879: }
1880: }
1881:
1882: #########################################
1883: # publish a default.meta file
1884:
1885: sub defaultmetapublish {
1886: my ($r,$fn,$cuname,$cudom)=@_;
1887: $fn=~s/^\/\~$cuname\//\/home\/$cuname\/public_html\//;
1888: unless (-e $fn) {
1889: return HTTP_NOT_FOUND;
1890: }
1891: my $target=$fn;
1892: $target=~s/^\/home\/$cuname\/public_html\//$Apache::lonnet::perlvar{'lonDocRoot'}\/res\/$cudom\/$cuname\//;
1893:
1894:
1895: &Apache::loncommon::content_type($r,'text/html');
1896: $r->send_http_header;
1897:
1898: $r->print(&Apache::loncommon::start_page('Catalog Information Publication'));
1899:
1900: # ---------------------------------------------------------------- Write Source
1901: my $copyfile=$target;
1902:
1903: my @parts=split(/\//,$copyfile);
1904: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
1905:
1906: my $count;
1907: for ($count=5;$count<$#parts;$count++) {
1908: $path.="/$parts[$count]";
1909: if ((-e $path)!=1) {
1910: $r->print('<p>'.&mt('Created directory').' '.$parts[$count].'</p>');
1911: mkdir($path,0777);
1912: }
1913: }
1914:
1915: if (copy($fn,$copyfile)) {
1916: $r->print('<p>'.&mt('Copied source file').'</p>');
1917: } else {
1918: return "<span class=\"LC_error\">".
1919: &mt('Failed to copy source').", $!, ".&mt('FAIL')."</span>";
1920: }
1921:
1922: # --------------------------------------------------- Send update notifications
1923:
1924: my @subscribed=&get_subscribed_hosts($target);
1925: foreach my $subhost (@subscribed) {
1926: $r->print('<p>'.&mt('Notifying host').' '.$subhost.':');$r->rflush;
1927: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
1928: $r->print($reply.'</p><br />');$r->rflush;
1929: }
1930: # ------------------------------------------------------------------- Link back
1931: my $link=$fn;
1932: $link=~s/^\/home\/$cuname\/public_html\//\/priv\/$cuname\//;
1933: $r->print("<a href='$link'>".&mt('Back to Catalog Information').'</a>');
1934: $r->print(&Apache::loncommon::end_page());
1935: return OK;
1936: }
1937: #########################################
1938:
1939: =pod
1940:
1941: =item B<handler>
1942:
1943: A basic outline of the handler subroutine follows.
1944:
1945: =over 4
1946:
1947: =item *
1948:
1949: Get query string for limited number of parameters.
1950:
1951: =item *
1952:
1953: Check filename.
1954:
1955: =item *
1956:
1957: File is there and owned, init lookup tables.
1958:
1959: =item *
1960:
1961: Start page output.
1962:
1963: =item *
1964:
1965: Evaluate individual file, and then output information.
1966:
1967: =item *
1968:
1969: Publishing from $thisfn to $thistarget with $thisembstyle.
1970:
1971: =back
1972:
1973: =cut
1974:
1975: #########################################
1976: #########################################
1977: sub handler {
1978: my $r=shift;
1979:
1980: if ($r->header_only) {
1981: &Apache::loncommon::content_type($r,'text/html');
1982: $r->send_http_header;
1983: return OK;
1984: }
1985:
1986: # Get query string for limited number of parameters
1987:
1988: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1989: ['filename']);
1990:
1991: # -------------------------------------- Flag and buffer for registered cleanup
1992: $registered_cleanup=0;
1993: @{$modified_urls}=();
1994: # -------------------------------------------------------------- Check filename
1995:
1996: my $fn=&unescape($env{'form.filename'});
1997:
1998: ($cuname,$cudom)=
1999: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
2000:
2001: # special publication: default.meta file
2002: if ($fn=~/\/default.meta$/) {
2003: return &defaultmetapublish($r,$fn,$cuname,$cudom);
2004: }
2005: $fn=~s/\.meta$//;
2006:
2007: unless ($fn) {
2008: $r->log_reason($cuname.' at '.$cudom.
2009: ' trying to publish empty filename', $r->filename);
2010: return HTTP_NOT_FOUND;
2011: }
2012:
2013: unless (($cuname) && ($cudom)) {
2014: $r->log_reason($cuname.' at '.$cudom.
2015: ' trying to publish file '.$env{'form.filename'}.
2016: ' ('.$fn.') - not authorized',
2017: $r->filename);
2018: return HTTP_NOT_ACCEPTABLE;
2019: }
2020:
2021: my $home=&Apache::lonnet::homeserver($cuname,$cudom);
2022: my $allowed=0;
2023: my @ids=&Apache::lonnet::current_machine_ids();
2024: foreach my $id (@ids) { if ($id eq $home) { $allowed = 1; } }
2025: unless ($allowed) {
2026: $r->log_reason($cuname.' at '.$cudom.
2027: ' trying to publish file '.$env{'form.filename'}.
2028: ' ('.$fn.') - not homeserver ('.$home.')',
2029: $r->filename);
2030: return HTTP_NOT_ACCEPTABLE;
2031: }
2032:
2033: $fn=~s{^http://[^/]+}{};
2034: $fn=~s{^/~($match_username)}{/home/$1/public_html};
2035:
2036: my $targetdir='';
2037: $docroot=$r->dir_config('lonDocRoot');
2038: if ($1 ne $cuname) {
2039: $r->log_reason($cuname.' at '.$cudom.
2040: ' trying to publish unowned file '.
2041: $env{'form.filename'}.' ('.$fn.')',
2042: $r->filename);
2043: return HTTP_NOT_ACCEPTABLE;
2044: } else {
2045: $targetdir=$docroot.'/res/'.$cudom;
2046: }
2047:
2048:
2049: unless (-e $fn) {
2050: $r->log_reason($cuname.' at '.$cudom.
2051: ' trying to publish non-existing file '.
2052: $env{'form.filename'}.' ('.$fn.')',
2053: $r->filename);
2054: return HTTP_NOT_FOUND;
2055: }
2056:
2057: # -------------------------------- File is there and owned, init lookup tables.
2058:
2059: %addid=();
2060:
2061: {
2062: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
2063: while (<$fh>=~/(\w+)\s+(\w+)/) {
2064: $addid{$1}=$2;
2065: }
2066: }
2067:
2068: %nokey=();
2069:
2070: {
2071: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
2072: while (<$fh>) {
2073: my $word=$_;
2074: chomp($word);
2075: $nokey{$word}=1;
2076: }
2077: }
2078:
2079: # ---------------------------------------------------------- Start page output.
2080:
2081: &Apache::loncommon::content_type($r,'text/html');
2082: $r->send_http_header;
2083:
2084: my $js='<script type="text/javascript">'.
2085: &Apache::loncommon::browser_and_searcher_javascript().
2086: '</script>';
2087: $r->print(&Apache::loncommon::start_page('Resource Publication',$js));
2088:
2089:
2090: my $thisfn=$fn;
2091:
2092: my $thistarget=$thisfn;
2093:
2094: $thistarget=~s/^\/home/$targetdir/;
2095: $thistarget=~s/\/public\_html//;
2096:
2097: my $thisdistarget=$thistarget;
2098: $thisdistarget=~s/^\Q$docroot\E//;
2099:
2100: my $thisdisfn=$thisfn;
2101: $thisdisfn=~s/^\/home\/\Q$cuname\E\/public_html\///;
2102:
2103: if ($fn=~/\/$/) {
2104: # -------------------------------------------------------- This is a directory
2105: &publishdirectory($r,$fn,$thisdisfn);
2106: $r->print('<hr /><a href="/priv/'
2107: .$cuname.'/'.$thisdisfn
2108: .'">'.&mt('Return to Directory').'</a>');
2109:
2110:
2111: } else {
2112: # ---------------------- Evaluate individual file, and then output information.
2113: $thisfn=~/\.(\w+)$/;
2114: my $thistype=$1;
2115: my $thisembstyle=&Apache::loncommon::fileembstyle($thistype);
2116: if ($thistype eq 'page') { $thisembstyle = 'rat'; }
2117: $r->print('<h2>'.&mt('Publishing').' '.
2118: &Apache::loncommon::filedescription($thistype).' <tt>');
2119:
2120: $r->print(<<ENDCAPTION);
2121: <a href='javascript:void(window.open("/~$cuname/$thisdisfn","cat","height=300,width=500,scrollbars=1,resizable=1,menubar=0,location=1"))'>
2122: $thisdisfn</a>
2123: ENDCAPTION
2124: $r->print('</tt></h2><b>'.&mt('Target').':</b> <tt>'.
2125: $thisdistarget.'</tt><br />');
2126:
2127: if (($cuname ne $env{'user.name'})||($cudom ne $env{'user.domain'})) {
2128: $r->print('<h3><font color="red">'.&mt('Co-Author').': '.
2129: $cuname.&mt(' at ').$cudom.'</font></h3>');
2130: }
2131:
2132: if (&Apache::loncommon::fileembstyle($thistype) eq 'ssi') {
2133: $r->print(<<ENDDIFF);
2134: <br />
2135: <a href='javascript:void(window.open("/adm/diff?filename=/~$cuname/$thisdisfn&versiontwo=priv","cat","height=300,width=500,scrollbars=1,resizable=1,menubar=0,location=1"))'>
2136: ENDDIFF
2137: $r->print(&mt('Diffs with Current Version').'</a><br />');
2138: }
2139:
2140: # ------------------ Publishing from $thisfn to $thistarget with $thisembstyle.
2141:
2142: unless ($env{'form.phase'} eq 'two') {
2143: # ---------------------------------------------------------- Parse for problems
2144: my ($warningcount,$errorcount);
2145: if ($thisembstyle eq 'ssi') {
2146: ($warningcount,$errorcount)=&checkonthis($r,$thisfn);
2147: }
2148: unless ($errorcount) {
2149: my ($outstring,$error)=
2150: &publish($thisfn,$thistarget,$thisembstyle);
2151: $r->print('<hr />'.$outstring);
2152: } else {
2153: $r->print('<h3>'.
2154: &mt('The document contains errors and cannot be published.').
2155: '</h3>');
2156: }
2157: } else {
2158: &phasetwo($r,$thisfn,$thistarget,$thisembstyle,$thisdistarget);
2159: $r->print('<hr />');
2160: }
2161: }
2162: $r->print(&Apache::loncommon::end_page());
2163:
2164: return OK;
2165: }
2166:
2167: 1;
2168: __END__
2169:
2170: =pod
2171:
2172: =back
2173:
2174: =back
2175:
2176: =cut
2177:
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