1: # The LearningOnline Network with CAPA
2: # Publication Handler
3: #
4: # $Id: lonpublisher.pm,v 1.56 2001/12/05 15:40:31 albertel 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: # (TeX Content Handler
30: #
31: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
32: #
33: # 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
34: # 03/23 Guy Albertelli
35: # 03/24,03/29,04/03 Gerd Kortemeyer
36: # 04/16/2001 Scott Harrison
37: # 05/03,05/05,05/07 Gerd Kortemeyer
38: # 05/28/2001 Scott Harrison
39: # 06/23,08/07,08/11,8/13,8/17,8/18,8/24,9/26,10/16 Gerd Kortemeyer
40:
41: package Apache::lonpublisher;
42:
43: use strict;
44: use Apache::File;
45: use File::Copy;
46: use Apache::Constants qw(:common :http :methods);
47: use HTML::TokeParser;
48: use Apache::lonxml;
49: use Apache::lonhomework;
50: use Apache::loncacc;
51: use DBI;
52:
53: my %addid;
54: my %nokey;
55: my %language;
56: my %cprtag;
57:
58: my %metadatafields;
59: my %metadatakeys;
60:
61: my $docroot;
62:
63: my $cuname;
64: my $cudom;
65:
66: # ----------------------------------------------- Evaluate string with metadata
67:
68: sub metaeval {
69: my $metastring=shift;
70:
71: my $parser=HTML::TokeParser->new(\$metastring);
72: my $token;
73: while ($token=$parser->get_token) {
74: if ($token->[0] eq 'S') {
75: my $entry=$token->[1];
76: my $unikey=$entry;
77: if (defined($token->[2]->{'package'})) {
78: $unikey.='_package_'.$token->[2]->{'package'};
79: }
80: if (defined($token->[2]->{'part'})) {
81: $unikey.='_'.$token->[2]->{'part'};
82: }
83: if (defined($token->[2]->{'id'})) {
84: $unikey.='_'.$token->[2]->{'id'};
85: }
86: if (defined($token->[2]->{'name'})) {
87: $unikey.='_'.$token->[2]->{'name'};
88: }
89: map {
90: $metadatafields{$unikey.'.'.$_}=$token->[2]->{$_};
91: if ($metadatakeys{$unikey}) {
92: $metadatakeys{$unikey}.=','.$_;
93: } else {
94: $metadatakeys{$unikey}=$_;
95: }
96: } @{$token->[3]};
97: if ($metadatafields{$unikey}) {
98: my $newentry=$parser->get_text('/'.$entry);
99: unless (($metadatafields{$unikey}=~/$newentry/) ||
100: ($newentry eq '')) {
101: $metadatafields{$unikey}.=', '.$newentry;
102: }
103: } else {
104: $metadatafields{$unikey}=$parser->get_text('/'.$entry);
105: }
106: }
107: }
108: }
109:
110: # -------------------------------------------------------- Read a metadata file
111:
112: sub metaread {
113: my ($logfile,$fn)=@_;
114: unless (-e $fn) {
115: print $logfile 'No file '.$fn."\n";
116: return '<br><b>No file:</b> <tt>'.$fn.'</tt>';
117: }
118: print $logfile 'Processing '.$fn."\n";
119: my $metastring;
120: {
121: my $metafh=Apache::File->new($fn);
122: $metastring=join('',<$metafh>);
123: }
124: &metaeval($metastring);
125: return '<br><b>Processed file:</b> <tt>'.$fn.'</tt>';
126: }
127:
128: # ---------------------------- convert 'time' format into a datetime sql format
129: sub sqltime {
130: my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
131: localtime(@_[0]);
132: $mon++; $year+=1900;
133: return "$year-$mon-$mday $hour:$min:$sec";
134: }
135:
136: # --------------------------------------------------------- Various form fields
137:
138: sub textfield {
139: my ($title,$name,$value)=@_;
140: return "\n<p><b>$title:</b><br>".
141: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
142: }
143:
144: sub hiddenfield {
145: my ($name,$value)=@_;
146: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
147: }
148:
149: sub selectbox {
150: my ($title,$name,$value,%options)=@_;
151: my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
152: map {
153: $selout.='<option value="'.$_.'"';
154: if ($_ eq $value) { $selout.=' selected'; }
155: $selout.='>'.$options{$_}.'</option>';
156: } sort keys %options;
157: return $selout.'</select>';
158: }
159:
160: # -------------------------------------------------------- Publication Step One
161:
162: sub urlfixup {
163: my ($url,$target)=@_;
164: unless ($url) { return ''; }
165: my ($host)=($url=~/(?:http\:\/\/)*([^\/]+)/);
166: map {
167: if ($_ eq $host) {
168: $url=~s/^http\:\/\///;
169: $url=~s/^$host//;
170: }
171: } values %Apache::lonnet::hostname;
172: if ($url=~/^http\:\/\//) { return $url; }
173: $url=~s/\~$cuname/res\/$cudom\/$cuname/;
174: if ($target) {
175: $target=~s/\/[^\/]+$//;
176: $url=&Apache::lonnet::hreflocation($target,$url);
177: }
178: return $url;
179: }
180:
181: sub publish {
182:
183: my ($source,$target,$style)=@_;
184: my $logfile;
185: my $scrout='';
186: my $allmeta='';
187: my $content='';
188: my %allow=();
189: undef %allow;
190:
191: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
192: return
193: '<font color=red>No write permission to user directory, FAIL</font>';
194: }
195: print $logfile
196: "\n\n================= Publish ".localtime()." Phase One ================\n";
197:
198: if (($style eq 'ssi') || ($style eq 'rat')) {
199: # ------------------------------------------------------- This needs processing
200:
201: # ----------------------------------------------------------------- Backup Copy
202: my $copyfile=$source.'.save';
203: if (copy($source,$copyfile)) {
204: print $logfile "Copied original file to ".$copyfile."\n";
205: } else {
206: print $logfile "Unable to write backup ".$copyfile.':'.$!."\n";
207: return "<font color=red>Failed to write backup copy, $!,FAIL</font>";
208: }
209: # ------------------------------------------------------------- IDs and indices
210:
211: my $maxindex=10;
212: my $maxid=10;
213:
214: my $needsfixup=0;
215:
216: {
217: my $org=Apache::File->new($source);
218: $content=join('',<$org>);
219: }
220: {
221: my $parser=HTML::TokeParser->new(\$content);
222: my $token;
223: while ($token=$parser->get_token) {
224: if ($token->[0] eq 'S') {
225: my $counter;
226: if ($counter=$addid{$token->[1]}) {
227: if ($counter eq 'id') {
228: if (defined($token->[2]->{'id'})) {
229: $maxid=
230: ($token->[2]->{'id'}>$maxid)?$token->[2]->{'id'}:$maxid;
231: } else {
232: $needsfixup=1;
233: }
234: } else {
235: if (defined($token->[2]->{'index'})) {
236: $maxindex=
237: ($token->[2]->{'index'}>$maxindex)?$token->[2]->{'index'}:$maxindex;
238: } else {
239: $needsfixup=1;
240: }
241: }
242: }
243: }
244: }
245: }
246: if ($needsfixup) {
247: print $logfile "Needs ID and/or index fixup\n".
248: "Max ID : $maxid (min 10)\n".
249: "Max Index: $maxindex (min 10)\n";
250: }
251: my $outstring='';
252: my $parser=HTML::TokeParser->new(\$content);
253: $parser->xml_mode(1);
254: my $token;
255: while ($token=$parser->get_token) {
256: if ($token->[0] eq 'S') {
257: my $counter;
258: my $tag=$token->[1];
259: my $lctag=lc($tag);
260: unless ($lctag eq 'allow') {
261: my %parms=%{$token->[2]};
262: $counter=$addid{$tag};
263: if (!$counter) { $counter=$addid{$lctag}; }
264: if ($counter) {
265: if ($counter eq 'id') {
266: unless (defined($parms{'id'})) {
267: $maxid++;
268: $parms{'id'}=$maxid;
269: print $logfile 'ID: '.$tag.':'.$maxid."\n";
270: }
271: } elsif ($counter eq 'index') {
272: unless (defined($parms{'index'})) {
273: $maxindex++;
274: $parms{'index'}=$maxindex;
275: print $logfile 'Index: '.$tag.':'.$maxindex."\n";
276: }
277: }
278: }
279:
280: map {
281: if (defined($parms{$_})) {
282: my $oldurl=$parms{$_};
283: my $newurl=&urlfixup($oldurl,$target);
284: if ($newurl ne $oldurl) {
285: $parms{$_}=$newurl;
286: print $logfile 'URL: '.$tag.':'.$oldurl.' - '.
287: $newurl."\n";
288: }
289: $allow{$newurl}=1;
290: }
291: } ('src','href','background');
292:
293: if ($lctag eq 'applet') {
294: my $codebase='';
295: if (defined($parms{'codebase'})) {
296: my $oldcodebase=$parms{'codebase'};
297: unless ($oldcodebase=~/\/$/) {
298: $oldcodebase.='/';
299: }
300: $codebase=&urlfixup($oldcodebase,$target);
301: $codebase=~s/\/$//;
302: if ($codebase ne $oldcodebase) {
303: $parms{'codebase'}=$codebase;
304: print $logfile 'URL codebase: '.$tag.':'.
305: $oldcodebase.' - '.
306: $codebase."\n";
307: }
308: $allow{$codebase.'/*'}=1;
309: } else {
310: map {
311: if (defined($parms{$_})) {
312: my $oldurl=$parms{$_};
313: my $newurl=&urlfixup($oldurl,$target);
314: $newurl=~s/\/[^\/]+$/\/\*/;
315: print $logfile 'Allow: applet '.$_.':'.
316: $oldurl.' allows '.
317: $newurl."\n";
318: $allow{$newurl}=1;
319: }
320: } ('archive','code','object');
321: }
322: }
323:
324: my $newparmstring='';
325: my $endtag='';
326: map {
327: if ($_ eq '/') {
328: $endtag=' /';
329: } else {
330: my $quote=($parms{$_}=~/\"/?"'":'"');
331: $newparmstring.=' '.$_.'='.$quote.$parms{$_}.$quote;
332: }
333: } keys %parms;
334:
335: $outstring.='<'.$tag.$newparmstring.$endtag.'>';
336: } else {
337: $allow{$token->[2]->{'src'}}=1;
338: }
339: } elsif ($token->[0] eq 'E') {
340: unless ($token->[1] eq 'allow') {
341: $outstring.='</'.$token->[1].'>';
342: }
343: } else {
344: $outstring.=$token->[1];
345: }
346: }
347: # ------------------------------------------------------------ Construct Allows
348: unless ($style eq 'rat') {
349: $scrout.='<h3>Dependencies</h3>';
350: my $allowstr="\n";
351: map {
352: $allowstr.='<allow src="'.$_.'" />'."\n";
353: $scrout.='<br>';
354: unless ($_=~/\*/) {
355: $scrout.='<a href="'.$_.'">';
356: }
357: $scrout.='<tt>'.$_.'</tt>';
358: unless ($_=~/\*/) {
359: $scrout.='</a>';
360: }
361: } keys %allow;
362: $outstring=~s/(\<\/[^\>]+\>\s*)$/$allowstr$1/s;
363: }
364: # ------------------------------------------------------------- Write modified
365:
366: {
367: my $org;
368: unless ($org=Apache::File->new('>'.$source)) {
369: print $logfile "No write permit to $source\n";
370: return
371: "<font color=red>No write permission to $source, FAIL</font>";
372: }
373: print $org $outstring;
374: }
375: $content=$outstring;
376:
377: if ($needsfixup) {
378: print $logfile "End of ID and/or index fixup\n".
379: "Max ID : $maxid (min 10)\n".
380: "Max Index: $maxindex (min 10)\n";
381: } else {
382: print $logfile "Does not need ID and/or index fixup\n";
383: }
384: }
385: # --------------------------------------------- Initial step done, now metadata
386:
387: # ---------------------------------------- Storage for metadata keys and fields
388:
389: %metadatafields=();
390: %metadatakeys=();
391:
392: my %oldparmstores=();
393:
394: $scrout.='<h3>Metadata Information</h3>';
395:
396: # ------------------------------------------------ First, check out environment
397: unless (-e $source.'.meta') {
398: $metadatafields{'author'}=$ENV{'environment.firstname'}.' '.
399: $ENV{'environment.middlename'}.' '.
400: $ENV{'environment.lastname'}.' '.
401: $ENV{'environment.generation'};
402: $metadatafields{'author'}=~s/\s+/ /g;
403: $metadatafields{'author'}=~s/\s+$//;
404: $metadatafields{'owner'}=$cuname.'@'.$cudom;
405:
406: # ------------------------------------------------ Check out directory hierachy
407:
408: my $thisdisfn=$source;
409: $thisdisfn=~s/^\/home\/$cuname\///;
410:
411: my @urlparts=split(/\//,$thisdisfn);
412: $#urlparts--;
413:
414: my $currentpath='/home/'.$cuname.'/';
415:
416: map {
417: $currentpath.=$_.'/';
418: $scrout.=&metaread($logfile,$currentpath.'default.meta');
419: } @urlparts;
420:
421: # ------------------- Clear out parameters and stores (there should not be any)
422:
423: map {
424: if (($_=~/^parameter/) || ($_=~/^stores/)) {
425: delete $metadatafields{$_};
426: }
427: } keys %metadatafields;
428:
429: } else {
430: # ---------------------- Read previous metafile, remember parameters and stores
431:
432: $scrout.=&metaread($logfile,$source.'.meta');
433:
434: map {
435: if (($_=~/^parameter/) || ($_=~/^stores/)) {
436: $oldparmstores{$_}=1;
437: delete $metadatafields{$_};
438: }
439: } keys %metadatafields;
440:
441: }
442:
443: # -------------------------------------------------- Parse content for metadata
444: if ($style eq 'ssi') {
445: my $oldenv=$ENV{'request.uri'};
446:
447: $ENV{'request.uri'}=$target;
448: $allmeta=Apache::lonxml::xmlparse('meta',$content);
449: $ENV{'request.uri'}=$oldenv;
450:
451: &metaeval($allmeta);
452: }
453: # ---------------- Find and document discrepancies in the parameters and stores
454:
455: my $chparms='';
456: map {
457: if (($_=~/^parameter/) || ($_=~/^stores/)) {
458: unless ($_=~/\.\w+$/) {
459: unless ($oldparmstores{$_}) {
460: print $logfile 'New: '.$_."\n";
461: $chparms.=$_.' ';
462: }
463: }
464: }
465: } sort keys %metadatafields;
466: if ($chparms) {
467: $scrout.='<p><b>New parameters or stored values:</b> '.
468: $chparms;
469: }
470:
471: my $chparms='';
472: map {
473: if (($_=~/^parameter/) || ($_=~/^stores/)) {
474: unless (($metadatafields{$_.'.name'}) ||
475: ($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) {
476: print $logfile 'Obsolete: '.$_."\n";
477: $chparms.=$_.' ';
478: }
479: }
480: } sort keys %oldparmstores;
481: if ($chparms) {
482: $scrout.='<p><b>Obsolete parameters or stored values:</b> '.
483: $chparms;
484: }
485:
486: # ------------------------------------------------------- Now have all metadata
487:
488: $scrout.=
489: '<form action="/adm/publish" method="post">'.
490: &hiddenfield('phase','two').
491: &hiddenfield('filename',$ENV{'form.filename'}).
492: &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
493: &textfield('Title','title',$metadatafields{'title'}).
494: &textfield('Author(s)','author',$metadatafields{'author'}).
495: &textfield('Subject','subject',$metadatafields{'subject'});
496:
497: # --------------------------------------------------- Scan content for keywords
498:
499: my $keywordout='<p><b>Keywords:</b><br><table border=2><tr>';
500: my $colcount=0;
501:
502: if (length($content)<500000) {
503: my $textonly=$content;
504: $textonly=~s/\<script[^\<]+\<\/script\>//g;
505: $textonly=~s/\<m\>[^\<]+\<\/m\>//g;
506: $textonly=~s/\<[^\>]*\>//g;
507: $textonly=~tr/A-Z/a-z/;
508: $textonly=~s/[\$\&][a-z]\w*//g;
509: $textonly=~s/[^a-z\s]//g;
510:
511: my %keywords=();
512: map {
513: unless ($nokey{$_}) {
514: $keywords{$_}=1;
515: }
516: } ($textonly=~m/(\w+)/g);
517:
518: map {
519: $keywords{$_}=1;
520: } split(/\W+/,$metadatafields{'keywords'});
521:
522: map {
523: $keywordout.='<td><input type=checkbox name="key.'.$_.'"';
524: if ($metadatafields{'keywords'}=~/$_/) {
525: $keywordout.=' checked';
526: }
527: $keywordout.='>'.$_.'</td>';
528: if ($colcount>10) {
529: $keywordout.="</tr><tr>\n";
530: $colcount=0;
531: }
532: $colcount++;
533: } sort keys %keywords;
534:
535: } else {
536: $keywordout.='<td>File too long for keyword analysis</td>';
537: }
538:
539: $keywordout.='</tr></table>';
540:
541: $scrout.=$keywordout;
542:
543: $scrout.=&textfield('Additional Keywords','addkey','');
544:
545: $scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
546:
547: $scrout.=
548: '<p><b>Abstract:</b><br><textarea cols=80 rows=5 name=abstract>'.
549: $metadatafields{'abstract'}.'</textarea>';
550:
551: $source=~/\.(\w+)$/;
552:
553: $scrout.=&hiddenfield('mime',$1);
554:
555: $scrout.=&selectbox('Language','language',
556: $metadatafields{'language'},%language);
557:
558: unless ($metadatafields{'creationdate'}) {
559: $metadatafields{'creationdate'}=time;
560: }
561: $scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'});
562:
563: $scrout.=&hiddenfield('lastrevisiondate',time);
564:
565:
566: $scrout.=&textfield('Publisher/Owner','owner',
567: $metadatafields{'owner'});
568: # --------------------------------------------------- Correct copyright for rat
569: if ($style eq 'rat') {
570: if ($metadatafields{'copyright'} eq 'public') {
571: delete $metadatafields{'copyright'};
572: }
573: delete $cprtag{'public'};
574: }
575:
576: $scrout.=&selectbox('Copyright/Distribution','copyright',
577: $metadatafields{'copyright'},%cprtag);
578:
579: return $scrout.
580: '<p><input type="submit" value="Finalize Publication"></form>';
581: }
582:
583: # -------------------------------------------------------- Publication Step Two
584:
585: sub phasetwo {
586:
587: my ($source,$target,$style,$distarget)=@_;
588: my $logfile;
589: my $scrout='';
590:
591: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
592: return
593: '<font color=red>No write permission to user directory, FAIL</font>';
594: }
595: print $logfile
596: "\n================= Publish ".localtime()." Phase Two ================\n";
597:
598: %metadatafields=();
599: %metadatakeys=();
600:
601: &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
602:
603: $metadatafields{'title'}=$ENV{'form.title'};
604: $metadatafields{'author'}=$ENV{'form.author'};
605: $metadatafields{'subject'}=$ENV{'form.subject'};
606: $metadatafields{'notes'}=$ENV{'form.notes'};
607: $metadatafields{'abstract'}=$ENV{'form.abstract'};
608: $metadatafields{'mime'}=$ENV{'form.mime'};
609: $metadatafields{'language'}=$ENV{'form.language'};
610: $metadatafields{'creationdate'}=$ENV{'form.creationdate'};
611: $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'};
612: $metadatafields{'owner'}=$ENV{'form.owner'};
613: $metadatafields{'copyright'}=$ENV{'form.copyright'};
614:
615: my $allkeywords=$ENV{'form.addkey'};
616: map {
617: if ($_=~/^form\.key\.(\w+)/) {
618: $allkeywords.=','.$1;
619: }
620: } keys %ENV;
621: $allkeywords=~s/\W+/\,/;
622: $allkeywords=~s/^\,//;
623: $metadatafields{'keywords'}=$allkeywords;
624:
625: {
626: print $logfile "\nWrite metadata file for ".$source;
627: my $mfh;
628: unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
629: return
630: '<font color=red>Could not write metadata, FAIL</font>';
631: }
632: map {
633: unless ($_=~/\./) {
634: my $unikey=$_;
635: $unikey=~/^([A-Za-z]+)/;
636: my $tag=$1;
637: $tag=~tr/A-Z/a-z/;
638: print $mfh "\n\<$tag";
639: map {
640: my $value=$metadatafields{$unikey.'.'.$_};
641: $value=~s/\"/\'\'/g;
642: print $mfh ' '.$_.'="'.$value.'"';
643: } split(/\,/,$metadatakeys{$unikey});
644: print $mfh '>'.$metadatafields{$unikey}.'</'.$tag.'>';
645: }
646: } sort keys %metadatafields;
647: $scrout.='<p>Wrote Metadata';
648: print $logfile "\nWrote metadata";
649: }
650:
651: # -------------------------------- Synchronize entry with SQL metadata database
652: my %perlvar;
653: open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf";
654: my $configline;
655: while ($configline=<CONFIG>) {
656: if ($configline =~ /PerlSetVar/) {
657: my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);
658: chomp($varvalue);
659: $perlvar{$varname}=$varvalue;
660: }
661: }
662: close(CONFIG);
663:
664: my $warning;
665: my $dbh;
666: {
667: unless (
668: $dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
669: ) {
670: $warning='<font color=red>WARNING: Cannot connect to '.
671: 'database!</font>';
672: }
673: else {
674: my %sqldatafields;
675: $sqldatafields{'url'}=$distarget;
676: my $sth=$dbh->prepare(
677: 'delete from metadata where url like binary'.
678: '"'.$sqldatafields{'url'}.'"');
679: $sth->execute();
680: map {my $field=$metadatafields{$_}; $field=~s/\"/\'\'/g;
681: $sqldatafields{$_}=$field;}
682: ('title','author','subject','keywords','notes','abstract',
683: 'mime','language','creationdate','lastrevisiondate','owner',
684: 'copyright');
685:
686: $sth=$dbh->prepare('insert into metadata values ('.
687: '"'.delete($sqldatafields{'title'}).'"'.','.
688: '"'.delete($sqldatafields{'author'}).'"'.','.
689: '"'.delete($sqldatafields{'subject'}).'"'.','.
690: '"'.delete($sqldatafields{'url'}).'"'.','.
691: '"'.delete($sqldatafields{'keywords'}).'"'.','.
692: '"'.'current'.'"'.','.
693: '"'.delete($sqldatafields{'notes'}).'"'.','.
694: '"'.delete($sqldatafields{'abstract'}).'"'.','.
695: '"'.delete($sqldatafields{'mime'}).'"'.','.
696: '"'.delete($sqldatafields{'language'}).'"'.','.
697: '"'.
698: sqltime(delete($sqldatafields{'creationdate'}))
699: .'"'.','.
700: '"'.
701: sqltime(delete(
702: $sqldatafields{'lastrevisiondate'})).'"'.','.
703: '"'.delete($sqldatafields{'owner'}).'"'.','.
704: '"'.delete(
705: $sqldatafields{'copyright'}).'"'.')');
706: $sth->execute();
707: $dbh->disconnect;
708: $scrout.='<p>Synchronized SQL metadata database';
709: print $logfile "\nSynchronized SQL metadata database";
710: }
711: }
712:
713:
714: # ----------------------------------------------------------- Copy old versions
715:
716: if (-e $target) {
717: my $filename;
718: my $maxversion=0;
719: $target=~/(.*)\/([^\/]+)\.(\w+)$/;
720: my $srcf=$2;
721: my $srct=$3;
722: my $srcd=$1;
723: unless ($srcd=~/^\/home\/httpd\/html\/res/) {
724: print $logfile "\nPANIC: Target dir is ".$srcd;
725: return "<font color=red>Invalid target directory, FAIL</font>";
726: }
727: opendir(DIR,$srcd);
728: while ($filename=readdir(DIR)) {
729: if ($filename=~/$srcf\.(\d+)\.$srct$/) {
730: $maxversion=($1>$maxversion)?$1:$maxversion;
731: }
732: }
733: closedir(DIR);
734: $maxversion++;
735: $scrout.='<p>Creating old version '.$maxversion;
736: print $logfile "\nCreating old version ".$maxversion;
737:
738: my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
739:
740: if (copy($target,$copyfile)) {
741: print $logfile "Copied old target to ".$copyfile."\n";
742: $scrout.='<p>Copied old target file';
743: } else {
744: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
745: return "<font color=red>Failed to copy old target, $!, FAIL</font>";
746: }
747:
748: # --------------------------------------------------------------- Copy Metadata
749:
750: $copyfile=$copyfile.'.meta';
751:
752: if (copy($target.'.meta',$copyfile)) {
753: print $logfile "Copied old target metadata to ".$copyfile."\n";
754: $scrout.='<p>Copied old metadata';
755: } else {
756: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
757: if (-e $target.'.meta') {
758: return
759: "<font color=red>Failed to write old metadata copy, $!, FAIL</font>";
760: }
761: }
762:
763:
764: } else {
765: $scrout.='<p>Initial version';
766: print $logfile "\nInitial version";
767: }
768:
769: # ---------------------------------------------------------------- Write Source
770: my $copyfile=$target;
771:
772: my @parts=split(/\//,$copyfile);
773: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
774:
775: my $count;
776: for ($count=5;$count<$#parts;$count++) {
777: $path.="/$parts[$count]";
778: if ((-e $path)!=1) {
779: print $logfile "\nCreating directory ".$path;
780: $scrout.='<p>Created directory '.$parts[$count];
781: mkdir($path,0777);
782: }
783: }
784:
785: if (copy($source,$copyfile)) {
786: print $logfile "Copied original source to ".$copyfile."\n";
787: $scrout.='<p>Copied source file';
788: } else {
789: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
790: return "<font color=red>Failed to copy source, $!, FAIL</font>";
791: }
792:
793: # --------------------------------------------------------------- Copy Metadata
794:
795: $copyfile=$copyfile.'.meta';
796:
797: if (copy($source.'.meta',$copyfile)) {
798: print $logfile "Copied original metadata to ".$copyfile."\n";
799: $scrout.='<p>Copied metadata';
800: } else {
801: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
802: return
803: "<font color=red>Failed to write metadata copy, $!, FAIL</font>";
804: }
805:
806: # --------------------------------------------------- Send update notifications
807:
808: {
809:
810: my $filename;
811:
812: $target=~/(.*)\/([^\/]+)$/;
813: my $srcf=$2;
814: opendir(DIR,$1);
815: while ($filename=readdir(DIR)) {
816: if ($filename=~/$srcf\.(\w+)$/) {
817: my $subhost=$1;
818: if ($subhost ne 'meta') {
819: $scrout.='<p>Notifying host '.$subhost.':';
820: print $logfile "\nNotifying host '.$subhost.':'";
821: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
822: $scrout.=$reply;
823: print $logfile $reply;
824: }
825: }
826: }
827: closedir(DIR);
828:
829: }
830:
831: # ---------------------------------------- Send update notifications, meta only
832:
833: {
834:
835: my $filename;
836:
837: $target=~/(.*)\/([^\/]+)$/;
838: my $srcf=$2.'.meta';
839: opendir(DIR,$1);
840: while ($filename=readdir(DIR)) {
841: if ($filename=~/$srcf\.(\w+)$/) {
842: my $subhost=$1;
843: if ($subhost ne 'meta') {
844: $scrout.=
845: '<p>Notifying host for metadata only '.$subhost.':';
846: print $logfile
847: "\nNotifying host for metadata only '.$subhost.':'";
848: my $reply=&Apache::lonnet::critical(
849: 'update:'.$target.'.meta',$subhost);
850: $scrout.=$reply;
851: print $logfile $reply;
852: }
853: }
854: }
855: closedir(DIR);
856:
857: }
858:
859: # ------------------------------------------------ Provide link to new resource
860:
861: my $thisdistarget=$target;
862: $thisdistarget=~s/^$docroot//;
863:
864: my $thissrc=$source;
865: $thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/;
866:
867: my $thissrcdir=$thissrc;
868: $thissrcdir=~s/\/[^\/]+$/\//;
869:
870:
871: return $warning.$scrout.
872: '<hr><a href="'.$thisdistarget.'"><font size=+2>View Target</font></a>'.
873: '<p><a href="'.$thissrc.'"><font size=+2>Back to Source</font></a>'.
874: '<p><a href="'.$thissrcdir.
875: '"><font size=+2>Back to Source Directory</font></a>';
876:
877: }
878:
879: # ================================================================ Main Handler
880:
881: sub handler {
882: my $r=shift;
883:
884: if ($r->header_only) {
885: $r->content_type('text/html');
886: $r->send_http_header;
887: return OK;
888: }
889:
890: # Get query string for limited number of parameters
891:
892: map {
893: my ($name, $value) = split(/=/,$_);
894: $value =~ tr/+/ /;
895: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
896: if ($name eq 'filename') {
897: unless ($ENV{'form.'.$name}) {
898: $ENV{'form.'.$name}=$value;
899: }
900: }
901: } (split(/&/,$ENV{'QUERY_STRING'}));
902:
903:
904: # -------------------------------------------------------------- Check filename
905:
906: my $fn=$ENV{'form.filename'};
907:
908:
909: unless ($fn) {
910: $r->log_reason($cuname.' at '.$cudom.
911: ' trying to publish empty filename', $r->filename);
912: return HTTP_NOT_FOUND;
913: }
914:
915: ($cuname,$cudom)=
916: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
917: unless (($cuname) && ($cudom)) {
918: $r->log_reason($cuname.' at '.$cudom.
919: ' trying to publish file '.$ENV{'form.filename'}.
920: ' ('.$fn.') - not authorized',
921: $r->filename);
922: return HTTP_NOT_ACCEPTABLE;
923: }
924:
925: unless (&Apache::lonnet::homeserver($cuname,$cudom)
926: eq $r->dir_config('lonHostID')) {
927: $r->log_reason($cuname.' at '.$cudom.
928: ' trying to publish file '.$ENV{'form.filename'}.
929: ' ('.$fn.') - not homeserver ('.
930: &Apache::lonnet::homeserver($cuname,$cudom).')',
931: $r->filename);
932: return HTTP_NOT_ACCEPTABLE;
933: }
934:
935: $fn=~s/^http\:\/\/[^\/]+//;
936: $fn=~s/^\/\~(\w+)/\/home\/$1\/public_html/;
937:
938: my $targetdir='';
939: $docroot=$r->dir_config('lonDocRoot');
940: if ($1 ne $cuname) {
941: $r->log_reason($cuname.' at '.$cudom.
942: ' trying to publish unowned file '.$ENV{'form.filename'}.
943: ' ('.$fn.')',
944: $r->filename);
945: return HTTP_NOT_ACCEPTABLE;
946: } else {
947: $targetdir=$docroot.'/res/'.$cudom;
948: }
949:
950:
951: unless (-e $fn) {
952: $r->log_reason($cuname.' at '.$cudom.
953: ' trying to publish non-existing file '.$ENV{'form.filename'}.
954: ' ('.$fn.')',
955: $r->filename);
956: return HTTP_NOT_FOUND;
957: }
958:
959: unless ($ENV{'form.phase'} eq 'two') {
960:
961: # --------------------------------- File is there and owned, init lookup tables
962:
963: %addid=();
964:
965: {
966: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
967: while (<$fh>=~/(\w+)\s+(\w+)/) {
968: $addid{$1}=$2;
969: }
970: }
971:
972: %nokey=();
973:
974: {
975: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
976: map {
977: my $word=$_;
978: chomp($word);
979: $nokey{$word}=1;
980: } <$fh>;
981: }
982:
983: %language=();
984:
985: {
986: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/language.tab');
987: map {
988: $_=~/(\w+)\s+([\w\s\-]+)/;
989: $language{$1}=$2;
990: } <$fh>;
991: }
992:
993: %cprtag=();
994:
995: {
996: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/copyright.tab');
997: map {
998: $_=~/(\w+)\s+([\w\s\-]+)/;
999: $cprtag{$1}=$2;
1000: } <$fh>;
1001: }
1002:
1003: }
1004:
1005: # ----------------------------------------------------------- Start page output
1006:
1007: $r->content_type('text/html');
1008: $r->send_http_header;
1009:
1010: $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
1011: $r->print(
1012: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
1013: my $thisfn=$fn;
1014:
1015: # ------------------------------------------------------------- Individual file
1016: {
1017: $thisfn=~/\.(\w+)$/;
1018: my $thistype=$1;
1019: my $thisembstyle=&Apache::lonnet::fileembstyle($thistype);
1020:
1021: my $thistarget=$thisfn;
1022:
1023: $thistarget=~s/^\/home/$targetdir/;
1024: $thistarget=~s/\/public\_html//;
1025:
1026: my $thisdistarget=$thistarget;
1027: $thisdistarget=~s/^$docroot//;
1028:
1029: my $thisdisfn=$thisfn;
1030: $thisdisfn=~s/^\/home\/$cuname\/public_html\///;
1031:
1032: $r->print('<h2>Publishing '.
1033: &Apache::lonnet::filedescription($thistype).' <tt>'.
1034: $thisdisfn.'</tt></h2><b>Target:</b> <tt>'.$thisdistarget.'</tt><p>');
1035:
1036: if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
1037: $r->print('<h3><font color=red>Co-Author: '.$cuname.' at '.$cudom.
1038: '</font></h3>');
1039: }
1040:
1041: if (&Apache::lonnet::fileembstyle($thistype) eq 'ssi') {
1042: $r->print('<br><a href="/adm/diff?filename=/~'.$cuname.'/'.
1043: $thisdisfn.
1044: '&versionone=priv" target=cat>Diffs with Current Version</a><p>');
1045: }
1046:
1047: # ------------ We are publishing from $thisfn to $thistarget with $thisembstyle
1048:
1049: unless ($ENV{'form.phase'} eq 'two') {
1050: $r->print(
1051: '<hr>'.&publish($thisfn,$thistarget,$thisembstyle));
1052: } else {
1053: $r->print(
1054: '<hr>'.&phasetwo($thisfn,$thistarget,$thisembstyle,$thisdistarget));
1055: }
1056:
1057: }
1058: $r->print('</body></html>');
1059:
1060: return OK;
1061: }
1062:
1063: 1;
1064: __END__
1065:
1066:
1067:
1068:
1069:
1070:
1071:
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