1: # The LearningOnline Network with CAPA
2: # Publication Handler
3: #
4: # $Id: lonpublisher.pm,v 1.57 2001/12/05 20:25:20 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: if (!$endtag) { if ($token->[4]=~m:/>$:) { $endtag=' /'; }; }
335: $outstring.='<'.$tag.$newparmstring.$endtag.'>';
336: } else {
337: $allow{$token->[2]->{'src'}}=1;
338: }
339: } elsif ($token->[0] eq 'E') {
340: if ($token->[2]) {
341: unless ($token->[1] eq 'allow') {
342: $outstring.='</'.$token->[1].'>';
343: }
344: }
345: } else {
346: $outstring.=$token->[1];
347: }
348: }
349: # ------------------------------------------------------------ Construct Allows
350: unless ($style eq 'rat') {
351: $scrout.='<h3>Dependencies</h3>';
352: my $allowstr="\n";
353: map {
354: $allowstr.='<allow src="'.$_.'" />'."\n";
355: $scrout.='<br>';
356: unless ($_=~/\*/) {
357: $scrout.='<a href="'.$_.'">';
358: }
359: $scrout.='<tt>'.$_.'</tt>';
360: unless ($_=~/\*/) {
361: $scrout.='</a>';
362: }
363: } keys %allow;
364: $outstring=~s/(\<\/[^\>]+\>\s*)$/$allowstr$1/s;
365: }
366: # ------------------------------------------------------------- Write modified
367:
368: {
369: my $org;
370: unless ($org=Apache::File->new('>'.$source)) {
371: print $logfile "No write permit to $source\n";
372: return
373: "<font color=red>No write permission to $source, FAIL</font>";
374: }
375: print $org $outstring;
376: }
377: $content=$outstring;
378:
379: if ($needsfixup) {
380: print $logfile "End of ID and/or index fixup\n".
381: "Max ID : $maxid (min 10)\n".
382: "Max Index: $maxindex (min 10)\n";
383: } else {
384: print $logfile "Does not need ID and/or index fixup\n";
385: }
386: }
387: # --------------------------------------------- Initial step done, now metadata
388:
389: # ---------------------------------------- Storage for metadata keys and fields
390:
391: %metadatafields=();
392: %metadatakeys=();
393:
394: my %oldparmstores=();
395:
396: $scrout.='<h3>Metadata Information</h3>';
397:
398: # ------------------------------------------------ First, check out environment
399: unless (-e $source.'.meta') {
400: $metadatafields{'author'}=$ENV{'environment.firstname'}.' '.
401: $ENV{'environment.middlename'}.' '.
402: $ENV{'environment.lastname'}.' '.
403: $ENV{'environment.generation'};
404: $metadatafields{'author'}=~s/\s+/ /g;
405: $metadatafields{'author'}=~s/\s+$//;
406: $metadatafields{'owner'}=$cuname.'@'.$cudom;
407:
408: # ------------------------------------------------ Check out directory hierachy
409:
410: my $thisdisfn=$source;
411: $thisdisfn=~s/^\/home\/$cuname\///;
412:
413: my @urlparts=split(/\//,$thisdisfn);
414: $#urlparts--;
415:
416: my $currentpath='/home/'.$cuname.'/';
417:
418: map {
419: $currentpath.=$_.'/';
420: $scrout.=&metaread($logfile,$currentpath.'default.meta');
421: } @urlparts;
422:
423: # ------------------- Clear out parameters and stores (there should not be any)
424:
425: map {
426: if (($_=~/^parameter/) || ($_=~/^stores/)) {
427: delete $metadatafields{$_};
428: }
429: } keys %metadatafields;
430:
431: } else {
432: # ---------------------- Read previous metafile, remember parameters and stores
433:
434: $scrout.=&metaread($logfile,$source.'.meta');
435:
436: map {
437: if (($_=~/^parameter/) || ($_=~/^stores/)) {
438: $oldparmstores{$_}=1;
439: delete $metadatafields{$_};
440: }
441: } keys %metadatafields;
442:
443: }
444:
445: # -------------------------------------------------- Parse content for metadata
446: if ($style eq 'ssi') {
447: my $oldenv=$ENV{'request.uri'};
448:
449: $ENV{'request.uri'}=$target;
450: $allmeta=Apache::lonxml::xmlparse('meta',$content);
451: $ENV{'request.uri'}=$oldenv;
452:
453: &metaeval($allmeta);
454: }
455: # ---------------- Find and document discrepancies in the parameters and stores
456:
457: my $chparms='';
458: map {
459: if (($_=~/^parameter/) || ($_=~/^stores/)) {
460: unless ($_=~/\.\w+$/) {
461: unless ($oldparmstores{$_}) {
462: print $logfile 'New: '.$_."\n";
463: $chparms.=$_.' ';
464: }
465: }
466: }
467: } sort keys %metadatafields;
468: if ($chparms) {
469: $scrout.='<p><b>New parameters or stored values:</b> '.
470: $chparms;
471: }
472:
473: my $chparms='';
474: map {
475: if (($_=~/^parameter/) || ($_=~/^stores/)) {
476: unless (($metadatafields{$_.'.name'}) ||
477: ($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) {
478: print $logfile 'Obsolete: '.$_."\n";
479: $chparms.=$_.' ';
480: }
481: }
482: } sort keys %oldparmstores;
483: if ($chparms) {
484: $scrout.='<p><b>Obsolete parameters or stored values:</b> '.
485: $chparms;
486: }
487:
488: # ------------------------------------------------------- Now have all metadata
489:
490: $scrout.=
491: '<form action="/adm/publish" method="post">'.
492: &hiddenfield('phase','two').
493: &hiddenfield('filename',$ENV{'form.filename'}).
494: &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
495: &textfield('Title','title',$metadatafields{'title'}).
496: &textfield('Author(s)','author',$metadatafields{'author'}).
497: &textfield('Subject','subject',$metadatafields{'subject'});
498:
499: # --------------------------------------------------- Scan content for keywords
500:
501: my $keywordout='<p><b>Keywords:</b><br><table border=2><tr>';
502: my $colcount=0;
503:
504: if (length($content)<500000) {
505: my $textonly=$content;
506: $textonly=~s/\<script[^\<]+\<\/script\>//g;
507: $textonly=~s/\<m\>[^\<]+\<\/m\>//g;
508: $textonly=~s/\<[^\>]*\>//g;
509: $textonly=~tr/A-Z/a-z/;
510: $textonly=~s/[\$\&][a-z]\w*//g;
511: $textonly=~s/[^a-z\s]//g;
512:
513: my %keywords=();
514: map {
515: unless ($nokey{$_}) {
516: $keywords{$_}=1;
517: }
518: } ($textonly=~m/(\w+)/g);
519:
520: map {
521: $keywords{$_}=1;
522: } split(/\W+/,$metadatafields{'keywords'});
523:
524: map {
525: $keywordout.='<td><input type=checkbox name="key.'.$_.'"';
526: if ($metadatafields{'keywords'}=~/$_/) {
527: $keywordout.=' checked';
528: }
529: $keywordout.='>'.$_.'</td>';
530: if ($colcount>10) {
531: $keywordout.="</tr><tr>\n";
532: $colcount=0;
533: }
534: $colcount++;
535: } sort keys %keywords;
536:
537: } else {
538: $keywordout.='<td>File too long for keyword analysis</td>';
539: }
540:
541: $keywordout.='</tr></table>';
542:
543: $scrout.=$keywordout;
544:
545: $scrout.=&textfield('Additional Keywords','addkey','');
546:
547: $scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
548:
549: $scrout.=
550: '<p><b>Abstract:</b><br><textarea cols=80 rows=5 name=abstract>'.
551: $metadatafields{'abstract'}.'</textarea>';
552:
553: $source=~/\.(\w+)$/;
554:
555: $scrout.=&hiddenfield('mime',$1);
556:
557: $scrout.=&selectbox('Language','language',
558: $metadatafields{'language'},%language);
559:
560: unless ($metadatafields{'creationdate'}) {
561: $metadatafields{'creationdate'}=time;
562: }
563: $scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'});
564:
565: $scrout.=&hiddenfield('lastrevisiondate',time);
566:
567:
568: $scrout.=&textfield('Publisher/Owner','owner',
569: $metadatafields{'owner'});
570: # --------------------------------------------------- Correct copyright for rat
571: if ($style eq 'rat') {
572: if ($metadatafields{'copyright'} eq 'public') {
573: delete $metadatafields{'copyright'};
574: }
575: delete $cprtag{'public'};
576: }
577:
578: $scrout.=&selectbox('Copyright/Distribution','copyright',
579: $metadatafields{'copyright'},%cprtag);
580:
581: return $scrout.
582: '<p><input type="submit" value="Finalize Publication"></form>';
583: }
584:
585: # -------------------------------------------------------- Publication Step Two
586:
587: sub phasetwo {
588:
589: my ($source,$target,$style,$distarget)=@_;
590: my $logfile;
591: my $scrout='';
592:
593: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
594: return
595: '<font color=red>No write permission to user directory, FAIL</font>';
596: }
597: print $logfile
598: "\n================= Publish ".localtime()." Phase Two ================\n";
599:
600: %metadatafields=();
601: %metadatakeys=();
602:
603: &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
604:
605: $metadatafields{'title'}=$ENV{'form.title'};
606: $metadatafields{'author'}=$ENV{'form.author'};
607: $metadatafields{'subject'}=$ENV{'form.subject'};
608: $metadatafields{'notes'}=$ENV{'form.notes'};
609: $metadatafields{'abstract'}=$ENV{'form.abstract'};
610: $metadatafields{'mime'}=$ENV{'form.mime'};
611: $metadatafields{'language'}=$ENV{'form.language'};
612: $metadatafields{'creationdate'}=$ENV{'form.creationdate'};
613: $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'};
614: $metadatafields{'owner'}=$ENV{'form.owner'};
615: $metadatafields{'copyright'}=$ENV{'form.copyright'};
616:
617: my $allkeywords=$ENV{'form.addkey'};
618: map {
619: if ($_=~/^form\.key\.(\w+)/) {
620: $allkeywords.=','.$1;
621: }
622: } keys %ENV;
623: $allkeywords=~s/\W+/\,/;
624: $allkeywords=~s/^\,//;
625: $metadatafields{'keywords'}=$allkeywords;
626:
627: {
628: print $logfile "\nWrite metadata file for ".$source;
629: my $mfh;
630: unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
631: return
632: '<font color=red>Could not write metadata, FAIL</font>';
633: }
634: map {
635: unless ($_=~/\./) {
636: my $unikey=$_;
637: $unikey=~/^([A-Za-z]+)/;
638: my $tag=$1;
639: $tag=~tr/A-Z/a-z/;
640: print $mfh "\n\<$tag";
641: map {
642: my $value=$metadatafields{$unikey.'.'.$_};
643: $value=~s/\"/\'\'/g;
644: print $mfh ' '.$_.'="'.$value.'"';
645: } split(/\,/,$metadatakeys{$unikey});
646: print $mfh '>'.$metadatafields{$unikey}.'</'.$tag.'>';
647: }
648: } sort keys %metadatafields;
649: $scrout.='<p>Wrote Metadata';
650: print $logfile "\nWrote metadata";
651: }
652:
653: # -------------------------------- Synchronize entry with SQL metadata database
654: my %perlvar;
655: open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf";
656: my $configline;
657: while ($configline=<CONFIG>) {
658: if ($configline =~ /PerlSetVar/) {
659: my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);
660: chomp($varvalue);
661: $perlvar{$varname}=$varvalue;
662: }
663: }
664: close(CONFIG);
665:
666: my $warning;
667: my $dbh;
668: {
669: unless (
670: $dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
671: ) {
672: $warning='<font color=red>WARNING: Cannot connect to '.
673: 'database!</font>';
674: }
675: else {
676: my %sqldatafields;
677: $sqldatafields{'url'}=$distarget;
678: my $sth=$dbh->prepare(
679: 'delete from metadata where url like binary'.
680: '"'.$sqldatafields{'url'}.'"');
681: $sth->execute();
682: map {my $field=$metadatafields{$_}; $field=~s/\"/\'\'/g;
683: $sqldatafields{$_}=$field;}
684: ('title','author','subject','keywords','notes','abstract',
685: 'mime','language','creationdate','lastrevisiondate','owner',
686: 'copyright');
687:
688: $sth=$dbh->prepare('insert into metadata values ('.
689: '"'.delete($sqldatafields{'title'}).'"'.','.
690: '"'.delete($sqldatafields{'author'}).'"'.','.
691: '"'.delete($sqldatafields{'subject'}).'"'.','.
692: '"'.delete($sqldatafields{'url'}).'"'.','.
693: '"'.delete($sqldatafields{'keywords'}).'"'.','.
694: '"'.'current'.'"'.','.
695: '"'.delete($sqldatafields{'notes'}).'"'.','.
696: '"'.delete($sqldatafields{'abstract'}).'"'.','.
697: '"'.delete($sqldatafields{'mime'}).'"'.','.
698: '"'.delete($sqldatafields{'language'}).'"'.','.
699: '"'.
700: sqltime(delete($sqldatafields{'creationdate'}))
701: .'"'.','.
702: '"'.
703: sqltime(delete(
704: $sqldatafields{'lastrevisiondate'})).'"'.','.
705: '"'.delete($sqldatafields{'owner'}).'"'.','.
706: '"'.delete(
707: $sqldatafields{'copyright'}).'"'.')');
708: $sth->execute();
709: $dbh->disconnect;
710: $scrout.='<p>Synchronized SQL metadata database';
711: print $logfile "\nSynchronized SQL metadata database";
712: }
713: }
714:
715:
716: # ----------------------------------------------------------- Copy old versions
717:
718: if (-e $target) {
719: my $filename;
720: my $maxversion=0;
721: $target=~/(.*)\/([^\/]+)\.(\w+)$/;
722: my $srcf=$2;
723: my $srct=$3;
724: my $srcd=$1;
725: unless ($srcd=~/^\/home\/httpd\/html\/res/) {
726: print $logfile "\nPANIC: Target dir is ".$srcd;
727: return "<font color=red>Invalid target directory, FAIL</font>";
728: }
729: opendir(DIR,$srcd);
730: while ($filename=readdir(DIR)) {
731: if ($filename=~/$srcf\.(\d+)\.$srct$/) {
732: $maxversion=($1>$maxversion)?$1:$maxversion;
733: }
734: }
735: closedir(DIR);
736: $maxversion++;
737: $scrout.='<p>Creating old version '.$maxversion;
738: print $logfile "\nCreating old version ".$maxversion;
739:
740: my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
741:
742: if (copy($target,$copyfile)) {
743: print $logfile "Copied old target to ".$copyfile."\n";
744: $scrout.='<p>Copied old target file';
745: } else {
746: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
747: return "<font color=red>Failed to copy old target, $!, FAIL</font>";
748: }
749:
750: # --------------------------------------------------------------- Copy Metadata
751:
752: $copyfile=$copyfile.'.meta';
753:
754: if (copy($target.'.meta',$copyfile)) {
755: print $logfile "Copied old target metadata to ".$copyfile."\n";
756: $scrout.='<p>Copied old metadata';
757: } else {
758: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
759: if (-e $target.'.meta') {
760: return
761: "<font color=red>Failed to write old metadata copy, $!, FAIL</font>";
762: }
763: }
764:
765:
766: } else {
767: $scrout.='<p>Initial version';
768: print $logfile "\nInitial version";
769: }
770:
771: # ---------------------------------------------------------------- Write Source
772: my $copyfile=$target;
773:
774: my @parts=split(/\//,$copyfile);
775: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
776:
777: my $count;
778: for ($count=5;$count<$#parts;$count++) {
779: $path.="/$parts[$count]";
780: if ((-e $path)!=1) {
781: print $logfile "\nCreating directory ".$path;
782: $scrout.='<p>Created directory '.$parts[$count];
783: mkdir($path,0777);
784: }
785: }
786:
787: if (copy($source,$copyfile)) {
788: print $logfile "Copied original source to ".$copyfile."\n";
789: $scrout.='<p>Copied source file';
790: } else {
791: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
792: return "<font color=red>Failed to copy source, $!, FAIL</font>";
793: }
794:
795: # --------------------------------------------------------------- Copy Metadata
796:
797: $copyfile=$copyfile.'.meta';
798:
799: if (copy($source.'.meta',$copyfile)) {
800: print $logfile "Copied original metadata to ".$copyfile."\n";
801: $scrout.='<p>Copied metadata';
802: } else {
803: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
804: return
805: "<font color=red>Failed to write metadata copy, $!, FAIL</font>";
806: }
807:
808: # --------------------------------------------------- Send update notifications
809:
810: {
811:
812: my $filename;
813:
814: $target=~/(.*)\/([^\/]+)$/;
815: my $srcf=$2;
816: opendir(DIR,$1);
817: while ($filename=readdir(DIR)) {
818: if ($filename=~/$srcf\.(\w+)$/) {
819: my $subhost=$1;
820: if ($subhost ne 'meta') {
821: $scrout.='<p>Notifying host '.$subhost.':';
822: print $logfile "\nNotifying host '.$subhost.':'";
823: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
824: $scrout.=$reply;
825: print $logfile $reply;
826: }
827: }
828: }
829: closedir(DIR);
830:
831: }
832:
833: # ---------------------------------------- Send update notifications, meta only
834:
835: {
836:
837: my $filename;
838:
839: $target=~/(.*)\/([^\/]+)$/;
840: my $srcf=$2.'.meta';
841: opendir(DIR,$1);
842: while ($filename=readdir(DIR)) {
843: if ($filename=~/$srcf\.(\w+)$/) {
844: my $subhost=$1;
845: if ($subhost ne 'meta') {
846: $scrout.=
847: '<p>Notifying host for metadata only '.$subhost.':';
848: print $logfile
849: "\nNotifying host for metadata only '.$subhost.':'";
850: my $reply=&Apache::lonnet::critical(
851: 'update:'.$target.'.meta',$subhost);
852: $scrout.=$reply;
853: print $logfile $reply;
854: }
855: }
856: }
857: closedir(DIR);
858:
859: }
860:
861: # ------------------------------------------------ Provide link to new resource
862:
863: my $thisdistarget=$target;
864: $thisdistarget=~s/^$docroot//;
865:
866: my $thissrc=$source;
867: $thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/;
868:
869: my $thissrcdir=$thissrc;
870: $thissrcdir=~s/\/[^\/]+$/\//;
871:
872:
873: return $warning.$scrout.
874: '<hr><a href="'.$thisdistarget.'"><font size=+2>View Target</font></a>'.
875: '<p><a href="'.$thissrc.'"><font size=+2>Back to Source</font></a>'.
876: '<p><a href="'.$thissrcdir.
877: '"><font size=+2>Back to Source Directory</font></a>';
878:
879: }
880:
881: # ================================================================ Main Handler
882:
883: sub handler {
884: my $r=shift;
885:
886: if ($r->header_only) {
887: $r->content_type('text/html');
888: $r->send_http_header;
889: return OK;
890: }
891:
892: # Get query string for limited number of parameters
893:
894: map {
895: my ($name, $value) = split(/=/,$_);
896: $value =~ tr/+/ /;
897: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
898: if ($name eq 'filename') {
899: unless ($ENV{'form.'.$name}) {
900: $ENV{'form.'.$name}=$value;
901: }
902: }
903: } (split(/&/,$ENV{'QUERY_STRING'}));
904:
905:
906: # -------------------------------------------------------------- Check filename
907:
908: my $fn=$ENV{'form.filename'};
909:
910:
911: unless ($fn) {
912: $r->log_reason($cuname.' at '.$cudom.
913: ' trying to publish empty filename', $r->filename);
914: return HTTP_NOT_FOUND;
915: }
916:
917: ($cuname,$cudom)=
918: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
919: unless (($cuname) && ($cudom)) {
920: $r->log_reason($cuname.' at '.$cudom.
921: ' trying to publish file '.$ENV{'form.filename'}.
922: ' ('.$fn.') - not authorized',
923: $r->filename);
924: return HTTP_NOT_ACCEPTABLE;
925: }
926:
927: unless (&Apache::lonnet::homeserver($cuname,$cudom)
928: eq $r->dir_config('lonHostID')) {
929: $r->log_reason($cuname.' at '.$cudom.
930: ' trying to publish file '.$ENV{'form.filename'}.
931: ' ('.$fn.') - not homeserver ('.
932: &Apache::lonnet::homeserver($cuname,$cudom).')',
933: $r->filename);
934: return HTTP_NOT_ACCEPTABLE;
935: }
936:
937: $fn=~s/^http\:\/\/[^\/]+//;
938: $fn=~s/^\/\~(\w+)/\/home\/$1\/public_html/;
939:
940: my $targetdir='';
941: $docroot=$r->dir_config('lonDocRoot');
942: if ($1 ne $cuname) {
943: $r->log_reason($cuname.' at '.$cudom.
944: ' trying to publish unowned file '.$ENV{'form.filename'}.
945: ' ('.$fn.')',
946: $r->filename);
947: return HTTP_NOT_ACCEPTABLE;
948: } else {
949: $targetdir=$docroot.'/res/'.$cudom;
950: }
951:
952:
953: unless (-e $fn) {
954: $r->log_reason($cuname.' at '.$cudom.
955: ' trying to publish non-existing file '.$ENV{'form.filename'}.
956: ' ('.$fn.')',
957: $r->filename);
958: return HTTP_NOT_FOUND;
959: }
960:
961: unless ($ENV{'form.phase'} eq 'two') {
962:
963: # --------------------------------- File is there and owned, init lookup tables
964:
965: %addid=();
966:
967: {
968: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
969: while (<$fh>=~/(\w+)\s+(\w+)/) {
970: $addid{$1}=$2;
971: }
972: }
973:
974: %nokey=();
975:
976: {
977: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
978: map {
979: my $word=$_;
980: chomp($word);
981: $nokey{$word}=1;
982: } <$fh>;
983: }
984:
985: %language=();
986:
987: {
988: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/language.tab');
989: map {
990: $_=~/(\w+)\s+([\w\s\-]+)/;
991: $language{$1}=$2;
992: } <$fh>;
993: }
994:
995: %cprtag=();
996:
997: {
998: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/copyright.tab');
999: map {
1000: $_=~/(\w+)\s+([\w\s\-]+)/;
1001: $cprtag{$1}=$2;
1002: } <$fh>;
1003: }
1004:
1005: }
1006:
1007: # ----------------------------------------------------------- Start page output
1008:
1009: $r->content_type('text/html');
1010: $r->send_http_header;
1011:
1012: $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
1013: $r->print(
1014: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
1015: my $thisfn=$fn;
1016:
1017: # ------------------------------------------------------------- Individual file
1018: {
1019: $thisfn=~/\.(\w+)$/;
1020: my $thistype=$1;
1021: my $thisembstyle=&Apache::lonnet::fileembstyle($thistype);
1022:
1023: my $thistarget=$thisfn;
1024:
1025: $thistarget=~s/^\/home/$targetdir/;
1026: $thistarget=~s/\/public\_html//;
1027:
1028: my $thisdistarget=$thistarget;
1029: $thisdistarget=~s/^$docroot//;
1030:
1031: my $thisdisfn=$thisfn;
1032: $thisdisfn=~s/^\/home\/$cuname\/public_html\///;
1033:
1034: $r->print('<h2>Publishing '.
1035: &Apache::lonnet::filedescription($thistype).' <tt>'.
1036: $thisdisfn.'</tt></h2><b>Target:</b> <tt>'.$thisdistarget.'</tt><p>');
1037:
1038: if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
1039: $r->print('<h3><font color=red>Co-Author: '.$cuname.' at '.$cudom.
1040: '</font></h3>');
1041: }
1042:
1043: if (&Apache::lonnet::fileembstyle($thistype) eq 'ssi') {
1044: $r->print('<br><a href="/adm/diff?filename=/~'.$cuname.'/'.
1045: $thisdisfn.
1046: '&versionone=priv" target=cat>Diffs with Current Version</a><p>');
1047: }
1048:
1049: # ------------ We are publishing from $thisfn to $thistarget with $thisembstyle
1050:
1051: unless ($ENV{'form.phase'} eq 'two') {
1052: $r->print(
1053: '<hr>'.&publish($thisfn,$thistarget,$thisembstyle));
1054: } else {
1055: $r->print(
1056: '<hr>'.&phasetwo($thisfn,$thistarget,$thisembstyle,$thisdistarget));
1057: }
1058:
1059: }
1060: $r->print('</body></html>');
1061:
1062: return OK;
1063: }
1064:
1065: 1;
1066: __END__
1067:
1068:
1069:
1070:
1071:
1072:
1073:
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