1: # The LearningOnline Network with CAPA
2: # Publication Handler
3: #
4: # $Id: lonpublisher.pm,v 1.58 2001/12/05 20:37:06 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: # (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: # 12/04,12/05 Guy Albertelli
41: # 12/05 Gerd Kortemeyer
42:
43: package Apache::lonpublisher;
44:
45: use strict;
46: use Apache::File;
47: use File::Copy;
48: use Apache::Constants qw(:common :http :methods);
49: use HTML::TokeParser;
50: use Apache::lonxml;
51: use Apache::lonhomework;
52: use Apache::loncacc;
53: use DBI;
54:
55: my %addid;
56: my %nokey;
57: my %language;
58: my %cprtag;
59:
60: my %metadatafields;
61: my %metadatakeys;
62:
63: my $docroot;
64:
65: my $cuname;
66: my $cudom;
67:
68: # ----------------------------------------------- Evaluate string with metadata
69:
70: sub metaeval {
71: my $metastring=shift;
72:
73: my $parser=HTML::TokeParser->new(\$metastring);
74: my $token;
75: while ($token=$parser->get_token) {
76: if ($token->[0] eq 'S') {
77: my $entry=$token->[1];
78: my $unikey=$entry;
79: if (defined($token->[2]->{'package'})) {
80: $unikey.='_package_'.$token->[2]->{'package'};
81: }
82: if (defined($token->[2]->{'part'})) {
83: $unikey.='_'.$token->[2]->{'part'};
84: }
85: if (defined($token->[2]->{'id'})) {
86: $unikey.='_'.$token->[2]->{'id'};
87: }
88: if (defined($token->[2]->{'name'})) {
89: $unikey.='_'.$token->[2]->{'name'};
90: }
91: map {
92: $metadatafields{$unikey.'.'.$_}=$token->[2]->{$_};
93: if ($metadatakeys{$unikey}) {
94: $metadatakeys{$unikey}.=','.$_;
95: } else {
96: $metadatakeys{$unikey}=$_;
97: }
98: } @{$token->[3]};
99: if ($metadatafields{$unikey}) {
100: my $newentry=$parser->get_text('/'.$entry);
101: unless (($metadatafields{$unikey}=~/$newentry/) ||
102: ($newentry eq '')) {
103: $metadatafields{$unikey}.=', '.$newentry;
104: }
105: } else {
106: $metadatafields{$unikey}=$parser->get_text('/'.$entry);
107: }
108: }
109: }
110: }
111:
112: # -------------------------------------------------------- Read a metadata file
113:
114: sub metaread {
115: my ($logfile,$fn)=@_;
116: unless (-e $fn) {
117: print $logfile 'No file '.$fn."\n";
118: return '<br><b>No file:</b> <tt>'.$fn.'</tt>';
119: }
120: print $logfile 'Processing '.$fn."\n";
121: my $metastring;
122: {
123: my $metafh=Apache::File->new($fn);
124: $metastring=join('',<$metafh>);
125: }
126: &metaeval($metastring);
127: return '<br><b>Processed file:</b> <tt>'.$fn.'</tt>';
128: }
129:
130: # ---------------------------- convert 'time' format into a datetime sql format
131: sub sqltime {
132: my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
133: localtime(@_[0]);
134: $mon++; $year+=1900;
135: return "$year-$mon-$mday $hour:$min:$sec";
136: }
137:
138: # --------------------------------------------------------- Various form fields
139:
140: sub textfield {
141: my ($title,$name,$value)=@_;
142: return "\n<p><b>$title:</b><br>".
143: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
144: }
145:
146: sub hiddenfield {
147: my ($name,$value)=@_;
148: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
149: }
150:
151: sub selectbox {
152: my ($title,$name,$value,%options)=@_;
153: my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
154: map {
155: $selout.='<option value="'.$_.'"';
156: if ($_ eq $value) { $selout.=' selected'; }
157: $selout.='>'.$options{$_}.'</option>';
158: } sort keys %options;
159: return $selout.'</select>';
160: }
161:
162: # -------------------------------------------------------- Publication Step One
163:
164: sub urlfixup {
165: my ($url,$target)=@_;
166: unless ($url) { return ''; }
167: my ($host)=($url=~/(?:http\:\/\/)*([^\/]+)/);
168: map {
169: if ($_ eq $host) {
170: $url=~s/^http\:\/\///;
171: $url=~s/^$host//;
172: }
173: } values %Apache::lonnet::hostname;
174: if ($url=~/^http\:\/\//) { return $url; }
175: $url=~s/\~$cuname/res\/$cudom\/$cuname/;
176: if ($target) {
177: $target=~s/\/[^\/]+$//;
178: $url=&Apache::lonnet::hreflocation($target,$url);
179: }
180: return $url;
181: }
182:
183: sub publish {
184:
185: my ($source,$target,$style)=@_;
186: my $logfile;
187: my $scrout='';
188: my $allmeta='';
189: my $content='';
190: my %allow=();
191: undef %allow;
192:
193: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
194: return
195: '<font color=red>No write permission to user directory, FAIL</font>';
196: }
197: print $logfile
198: "\n\n================= Publish ".localtime()." Phase One ================\n";
199:
200: if (($style eq 'ssi') || ($style eq 'rat')) {
201: # ------------------------------------------------------- This needs processing
202:
203: # ----------------------------------------------------------------- Backup Copy
204: my $copyfile=$source.'.save';
205: if (copy($source,$copyfile)) {
206: print $logfile "Copied original file to ".$copyfile."\n";
207: } else {
208: print $logfile "Unable to write backup ".$copyfile.':'.$!."\n";
209: return "<font color=red>Failed to write backup copy, $!,FAIL</font>";
210: }
211: # ------------------------------------------------------------- IDs and indices
212:
213: my $maxindex=10;
214: my $maxid=10;
215:
216: my $needsfixup=0;
217:
218: {
219: my $org=Apache::File->new($source);
220: $content=join('',<$org>);
221: }
222: {
223: my $parser=HTML::TokeParser->new(\$content);
224: my $token;
225: while ($token=$parser->get_token) {
226: if ($token->[0] eq 'S') {
227: my $counter;
228: if ($counter=$addid{$token->[1]}) {
229: if ($counter eq 'id') {
230: if (defined($token->[2]->{'id'})) {
231: $maxid=
232: ($token->[2]->{'id'}>$maxid)?$token->[2]->{'id'}:$maxid;
233: } else {
234: $needsfixup=1;
235: }
236: } else {
237: if (defined($token->[2]->{'index'})) {
238: $maxindex=
239: ($token->[2]->{'index'}>$maxindex)?$token->[2]->{'index'}:$maxindex;
240: } else {
241: $needsfixup=1;
242: }
243: }
244: }
245: }
246: }
247: }
248: if ($needsfixup) {
249: print $logfile "Needs ID and/or index fixup\n".
250: "Max ID : $maxid (min 10)\n".
251: "Max Index: $maxindex (min 10)\n";
252: }
253: my $outstring='';
254: my $parser=HTML::TokeParser->new(\$content);
255: $parser->xml_mode(1);
256: my $token;
257: while ($token=$parser->get_token) {
258: if ($token->[0] eq 'S') {
259: my $counter;
260: my $tag=$token->[1];
261: my $lctag=lc($tag);
262: unless ($lctag eq 'allow') {
263: my %parms=%{$token->[2]};
264: $counter=$addid{$tag};
265: if (!$counter) { $counter=$addid{$lctag}; }
266: if ($counter) {
267: if ($counter eq 'id') {
268: unless (defined($parms{'id'})) {
269: $maxid++;
270: $parms{'id'}=$maxid;
271: print $logfile 'ID: '.$tag.':'.$maxid."\n";
272: }
273: } elsif ($counter eq 'index') {
274: unless (defined($parms{'index'})) {
275: $maxindex++;
276: $parms{'index'}=$maxindex;
277: print $logfile 'Index: '.$tag.':'.$maxindex."\n";
278: }
279: }
280: }
281:
282: map {
283: if (defined($parms{$_})) {
284: my $oldurl=$parms{$_};
285: my $newurl=&urlfixup($oldurl,$target);
286: if ($newurl ne $oldurl) {
287: $parms{$_}=$newurl;
288: print $logfile 'URL: '.$tag.':'.$oldurl.' - '.
289: $newurl."\n";
290: }
291: $allow{$newurl}=1;
292: }
293: } ('src','href','background');
294:
295: if ($lctag eq 'applet') {
296: my $codebase='';
297: if (defined($parms{'codebase'})) {
298: my $oldcodebase=$parms{'codebase'};
299: unless ($oldcodebase=~/\/$/) {
300: $oldcodebase.='/';
301: }
302: $codebase=&urlfixup($oldcodebase,$target);
303: $codebase=~s/\/$//;
304: if ($codebase ne $oldcodebase) {
305: $parms{'codebase'}=$codebase;
306: print $logfile 'URL codebase: '.$tag.':'.
307: $oldcodebase.' - '.
308: $codebase."\n";
309: }
310: $allow{$codebase.'/*'}=1;
311: } else {
312: map {
313: if (defined($parms{$_})) {
314: my $oldurl=$parms{$_};
315: my $newurl=&urlfixup($oldurl,$target);
316: $newurl=~s/\/[^\/]+$/\/\*/;
317: print $logfile 'Allow: applet '.$_.':'.
318: $oldurl.' allows '.
319: $newurl."\n";
320: $allow{$newurl}=1;
321: }
322: } ('archive','code','object');
323: }
324: }
325:
326: my $newparmstring='';
327: my $endtag='';
328: map {
329: if ($_ eq '/') {
330: $endtag=' /';
331: } else {
332: my $quote=($parms{$_}=~/\"/?"'":'"');
333: $newparmstring.=' '.$_.'='.$quote.$parms{$_}.$quote;
334: }
335: } keys %parms;
336: if (!$endtag) { if ($token->[4]=~m:/>$:) { $endtag=' /'; }; }
337: $outstring.='<'.$tag.$newparmstring.$endtag.'>';
338: } else {
339: $allow{$token->[2]->{'src'}}=1;
340: }
341: } elsif ($token->[0] eq 'E') {
342: if ($token->[2]) {
343: unless ($token->[1] eq 'allow') {
344: $outstring.='</'.$token->[1].'>';
345: }
346: }
347: } else {
348: $outstring.=$token->[1];
349: }
350: }
351: # ------------------------------------------------------------ Construct Allows
352: unless ($style eq 'rat') {
353: $scrout.='<h3>Dependencies</h3>';
354: my $allowstr="\n";
355: map {
356: $allowstr.='<allow src="'.$_.'" />'."\n";
357: $scrout.='<br>';
358: unless ($_=~/\*/) {
359: $scrout.='<a href="'.$_.'">';
360: }
361: $scrout.='<tt>'.$_.'</tt>';
362: unless ($_=~/\*/) {
363: $scrout.='</a>';
364: if (&Apache::lonnet::getfile(
365: $Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
366: $_.'.meta') eq '-1') {
367: $scrout.=
368: ' - <font color=red>Currently not available</font>';
369: }
370: }
371: } keys %allow;
372: $outstring=~s/(\<\/[^\>]+\>\s*)$/$allowstr$1/s;
373: }
374: # ------------------------------------------------------------- Write modified
375:
376: {
377: my $org;
378: unless ($org=Apache::File->new('>'.$source)) {
379: print $logfile "No write permit to $source\n";
380: return
381: "<font color=red>No write permission to $source, FAIL</font>";
382: }
383: print $org $outstring;
384: }
385: $content=$outstring;
386:
387: if ($needsfixup) {
388: print $logfile "End of ID and/or index fixup\n".
389: "Max ID : $maxid (min 10)\n".
390: "Max Index: $maxindex (min 10)\n";
391: } else {
392: print $logfile "Does not need ID and/or index fixup\n";
393: }
394: }
395: # --------------------------------------------- Initial step done, now metadata
396:
397: # ---------------------------------------- Storage for metadata keys and fields
398:
399: %metadatafields=();
400: %metadatakeys=();
401:
402: my %oldparmstores=();
403:
404: $scrout.='<h3>Metadata Information</h3>';
405:
406: # ------------------------------------------------ First, check out environment
407: unless (-e $source.'.meta') {
408: $metadatafields{'author'}=$ENV{'environment.firstname'}.' '.
409: $ENV{'environment.middlename'}.' '.
410: $ENV{'environment.lastname'}.' '.
411: $ENV{'environment.generation'};
412: $metadatafields{'author'}=~s/\s+/ /g;
413: $metadatafields{'author'}=~s/\s+$//;
414: $metadatafields{'owner'}=$cuname.'@'.$cudom;
415:
416: # ------------------------------------------------ Check out directory hierachy
417:
418: my $thisdisfn=$source;
419: $thisdisfn=~s/^\/home\/$cuname\///;
420:
421: my @urlparts=split(/\//,$thisdisfn);
422: $#urlparts--;
423:
424: my $currentpath='/home/'.$cuname.'/';
425:
426: map {
427: $currentpath.=$_.'/';
428: $scrout.=&metaread($logfile,$currentpath.'default.meta');
429: } @urlparts;
430:
431: # ------------------- Clear out parameters and stores (there should not be any)
432:
433: map {
434: if (($_=~/^parameter/) || ($_=~/^stores/)) {
435: delete $metadatafields{$_};
436: }
437: } keys %metadatafields;
438:
439: } else {
440: # ---------------------- Read previous metafile, remember parameters and stores
441:
442: $scrout.=&metaread($logfile,$source.'.meta');
443:
444: map {
445: if (($_=~/^parameter/) || ($_=~/^stores/)) {
446: $oldparmstores{$_}=1;
447: delete $metadatafields{$_};
448: }
449: } keys %metadatafields;
450:
451: }
452:
453: # -------------------------------------------------- Parse content for metadata
454: if ($style eq 'ssi') {
455: my $oldenv=$ENV{'request.uri'};
456:
457: $ENV{'request.uri'}=$target;
458: $allmeta=Apache::lonxml::xmlparse('meta',$content);
459: $ENV{'request.uri'}=$oldenv;
460:
461: &metaeval($allmeta);
462: }
463: # ---------------- Find and document discrepancies in the parameters and stores
464:
465: my $chparms='';
466: map {
467: if (($_=~/^parameter/) || ($_=~/^stores/)) {
468: unless ($_=~/\.\w+$/) {
469: unless ($oldparmstores{$_}) {
470: print $logfile 'New: '.$_."\n";
471: $chparms.=$_.' ';
472: }
473: }
474: }
475: } sort keys %metadatafields;
476: if ($chparms) {
477: $scrout.='<p><b>New parameters or stored values:</b> '.
478: $chparms;
479: }
480:
481: my $chparms='';
482: map {
483: if (($_=~/^parameter/) || ($_=~/^stores/)) {
484: unless (($metadatafields{$_.'.name'}) ||
485: ($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) {
486: print $logfile 'Obsolete: '.$_."\n";
487: $chparms.=$_.' ';
488: }
489: }
490: } sort keys %oldparmstores;
491: if ($chparms) {
492: $scrout.='<p><b>Obsolete parameters or stored values:</b> '.
493: $chparms;
494: }
495:
496: # ------------------------------------------------------- Now have all metadata
497:
498: $scrout.=
499: '<form action="/adm/publish" method="post">'.
500: &hiddenfield('phase','two').
501: &hiddenfield('filename',$ENV{'form.filename'}).
502: &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
503: &hiddenfield('dependencies',join(',',keys %allow)).
504: &textfield('Title','title',$metadatafields{'title'}).
505: &textfield('Author(s)','author',$metadatafields{'author'}).
506: &textfield('Subject','subject',$metadatafields{'subject'});
507:
508: # --------------------------------------------------- Scan content for keywords
509:
510: my $keywordout='<p><b>Keywords:</b><br><table border=2><tr>';
511: my $colcount=0;
512:
513: if (length($content)<500000) {
514: my $textonly=$content;
515: $textonly=~s/\<script[^\<]+\<\/script\>//g;
516: $textonly=~s/\<m\>[^\<]+\<\/m\>//g;
517: $textonly=~s/\<[^\>]*\>//g;
518: $textonly=~tr/A-Z/a-z/;
519: $textonly=~s/[\$\&][a-z]\w*//g;
520: $textonly=~s/[^a-z\s]//g;
521:
522: my %keywords=();
523: map {
524: unless ($nokey{$_}) {
525: $keywords{$_}=1;
526: }
527: } ($textonly=~m/(\w+)/g);
528:
529: map {
530: $keywords{$_}=1;
531: } split(/\W+/,$metadatafields{'keywords'});
532:
533: map {
534: $keywordout.='<td><input type=checkbox name="key.'.$_.'"';
535: if ($metadatafields{'keywords'}=~/$_/) {
536: $keywordout.=' checked';
537: }
538: $keywordout.='>'.$_.'</td>';
539: if ($colcount>10) {
540: $keywordout.="</tr><tr>\n";
541: $colcount=0;
542: }
543: $colcount++;
544: } sort keys %keywords;
545:
546: } else {
547: $keywordout.='<td>File too long for keyword analysis</td>';
548: }
549:
550: $keywordout.='</tr></table>';
551:
552: $scrout.=$keywordout;
553:
554: $scrout.=&textfield('Additional Keywords','addkey','');
555:
556: $scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
557:
558: $scrout.=
559: '<p><b>Abstract:</b><br><textarea cols=80 rows=5 name=abstract>'.
560: $metadatafields{'abstract'}.'</textarea>';
561:
562: $source=~/\.(\w+)$/;
563:
564: $scrout.=&hiddenfield('mime',$1);
565:
566: $scrout.=&selectbox('Language','language',
567: $metadatafields{'language'},%language);
568:
569: unless ($metadatafields{'creationdate'}) {
570: $metadatafields{'creationdate'}=time;
571: }
572: $scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'});
573:
574: $scrout.=&hiddenfield('lastrevisiondate',time);
575:
576:
577: $scrout.=&textfield('Publisher/Owner','owner',
578: $metadatafields{'owner'});
579: # --------------------------------------------------- Correct copyright for rat
580: if ($style eq 'rat') {
581: if ($metadatafields{'copyright'} eq 'public') {
582: delete $metadatafields{'copyright'};
583: }
584: delete $cprtag{'public'};
585: }
586:
587: $scrout.=&selectbox('Copyright/Distribution','copyright',
588: $metadatafields{'copyright'},%cprtag);
589:
590: return $scrout.
591: '<p><input type="submit" value="Finalize Publication"></form>';
592: }
593:
594: # -------------------------------------------------------- Publication Step Two
595:
596: sub phasetwo {
597:
598: my ($source,$target,$style,$distarget)=@_;
599: my $logfile;
600: my $scrout='';
601:
602: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
603: return
604: '<font color=red>No write permission to user directory, FAIL</font>';
605: }
606: print $logfile
607: "\n================= Publish ".localtime()." Phase Two ================\n";
608:
609: %metadatafields=();
610: %metadatakeys=();
611:
612: &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
613:
614: $metadatafields{'title'}=$ENV{'form.title'};
615: $metadatafields{'author'}=$ENV{'form.author'};
616: $metadatafields{'subject'}=$ENV{'form.subject'};
617: $metadatafields{'notes'}=$ENV{'form.notes'};
618: $metadatafields{'abstract'}=$ENV{'form.abstract'};
619: $metadatafields{'mime'}=$ENV{'form.mime'};
620: $metadatafields{'language'}=$ENV{'form.language'};
621: $metadatafields{'creationdate'}=$ENV{'form.creationdate'};
622: $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'};
623: $metadatafields{'owner'}=$ENV{'form.owner'};
624: $metadatafields{'copyright'}=$ENV{'form.copyright'};
625:
626: my $allkeywords=$ENV{'form.addkey'};
627: map {
628: if ($_=~/^form\.key\.(\w+)/) {
629: $allkeywords.=','.$1;
630: }
631: } keys %ENV;
632: $allkeywords=~s/\W+/\,/;
633: $allkeywords=~s/^\,//;
634: $metadatafields{'keywords'}=$allkeywords;
635:
636: {
637: print $logfile "\nWrite metadata file for ".$source;
638: my $mfh;
639: unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
640: return
641: '<font color=red>Could not write metadata, FAIL</font>';
642: }
643: map {
644: unless ($_=~/\./) {
645: my $unikey=$_;
646: $unikey=~/^([A-Za-z]+)/;
647: my $tag=$1;
648: $tag=~tr/A-Z/a-z/;
649: print $mfh "\n\<$tag";
650: map {
651: my $value=$metadatafields{$unikey.'.'.$_};
652: $value=~s/\"/\'\'/g;
653: print $mfh ' '.$_.'="'.$value.'"';
654: } split(/\,/,$metadatakeys{$unikey});
655: print $mfh '>'.$metadatafields{$unikey}.'</'.$tag.'>';
656: }
657: } sort keys %metadatafields;
658: $scrout.='<p>Wrote Metadata';
659: print $logfile "\nWrote metadata";
660: }
661:
662: # -------------------------------- Synchronize entry with SQL metadata database
663: my %perlvar;
664: open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf";
665: my $configline;
666: while ($configline=<CONFIG>) {
667: if ($configline =~ /PerlSetVar/) {
668: my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);
669: chomp($varvalue);
670: $perlvar{$varname}=$varvalue;
671: }
672: }
673: close(CONFIG);
674:
675: my $warning;
676: my $dbh;
677: {
678: unless (
679: $dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
680: ) {
681: $warning='<font color=red>WARNING: Cannot connect to '.
682: 'database!</font>';
683: }
684: else {
685: my %sqldatafields;
686: $sqldatafields{'url'}=$distarget;
687: my $sth=$dbh->prepare(
688: 'delete from metadata where url like binary'.
689: '"'.$sqldatafields{'url'}.'"');
690: $sth->execute();
691: map {my $field=$metadatafields{$_}; $field=~s/\"/\'\'/g;
692: $sqldatafields{$_}=$field;}
693: ('title','author','subject','keywords','notes','abstract',
694: 'mime','language','creationdate','lastrevisiondate','owner',
695: 'copyright');
696:
697: $sth=$dbh->prepare('insert into metadata values ('.
698: '"'.delete($sqldatafields{'title'}).'"'.','.
699: '"'.delete($sqldatafields{'author'}).'"'.','.
700: '"'.delete($sqldatafields{'subject'}).'"'.','.
701: '"'.delete($sqldatafields{'url'}).'"'.','.
702: '"'.delete($sqldatafields{'keywords'}).'"'.','.
703: '"'.'current'.'"'.','.
704: '"'.delete($sqldatafields{'notes'}).'"'.','.
705: '"'.delete($sqldatafields{'abstract'}).'"'.','.
706: '"'.delete($sqldatafields{'mime'}).'"'.','.
707: '"'.delete($sqldatafields{'language'}).'"'.','.
708: '"'.
709: sqltime(delete($sqldatafields{'creationdate'}))
710: .'"'.','.
711: '"'.
712: sqltime(delete(
713: $sqldatafields{'lastrevisiondate'})).'"'.','.
714: '"'.delete($sqldatafields{'owner'}).'"'.','.
715: '"'.delete(
716: $sqldatafields{'copyright'}).'"'.')');
717: $sth->execute();
718: $dbh->disconnect;
719: $scrout.='<p>Synchronized SQL metadata database';
720: print $logfile "\nSynchronized SQL metadata database";
721: }
722: }
723:
724:
725: # ----------------------------------------------------------- Copy old versions
726:
727: if (-e $target) {
728: my $filename;
729: my $maxversion=0;
730: $target=~/(.*)\/([^\/]+)\.(\w+)$/;
731: my $srcf=$2;
732: my $srct=$3;
733: my $srcd=$1;
734: unless ($srcd=~/^\/home\/httpd\/html\/res/) {
735: print $logfile "\nPANIC: Target dir is ".$srcd;
736: return "<font color=red>Invalid target directory, FAIL</font>";
737: }
738: opendir(DIR,$srcd);
739: while ($filename=readdir(DIR)) {
740: if ($filename=~/$srcf\.(\d+)\.$srct$/) {
741: $maxversion=($1>$maxversion)?$1:$maxversion;
742: }
743: }
744: closedir(DIR);
745: $maxversion++;
746: $scrout.='<p>Creating old version '.$maxversion;
747: print $logfile "\nCreating old version ".$maxversion;
748:
749: my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
750:
751: if (copy($target,$copyfile)) {
752: print $logfile "Copied old target to ".$copyfile."\n";
753: $scrout.='<p>Copied old target file';
754: } else {
755: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
756: return "<font color=red>Failed to copy old target, $!, FAIL</font>";
757: }
758:
759: # --------------------------------------------------------------- Copy Metadata
760:
761: $copyfile=$copyfile.'.meta';
762:
763: if (copy($target.'.meta',$copyfile)) {
764: print $logfile "Copied old target metadata to ".$copyfile."\n";
765: $scrout.='<p>Copied old metadata';
766: } else {
767: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
768: if (-e $target.'.meta') {
769: return
770: "<font color=red>Failed to write old metadata copy, $!, FAIL</font>";
771: }
772: }
773:
774:
775: } else {
776: $scrout.='<p>Initial version';
777: print $logfile "\nInitial version";
778: }
779:
780: # ---------------------------------------------------------------- Write Source
781: my $copyfile=$target;
782:
783: my @parts=split(/\//,$copyfile);
784: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
785:
786: my $count;
787: for ($count=5;$count<$#parts;$count++) {
788: $path.="/$parts[$count]";
789: if ((-e $path)!=1) {
790: print $logfile "\nCreating directory ".$path;
791: $scrout.='<p>Created directory '.$parts[$count];
792: mkdir($path,0777);
793: }
794: }
795:
796: if (copy($source,$copyfile)) {
797: print $logfile "Copied original source to ".$copyfile."\n";
798: $scrout.='<p>Copied source file';
799: } else {
800: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
801: return "<font color=red>Failed to copy source, $!, FAIL</font>";
802: }
803:
804: # --------------------------------------------------------------- Copy Metadata
805:
806: $copyfile=$copyfile.'.meta';
807:
808: if (copy($source.'.meta',$copyfile)) {
809: print $logfile "Copied original metadata to ".$copyfile."\n";
810: $scrout.='<p>Copied metadata';
811: } else {
812: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
813: return
814: "<font color=red>Failed to write metadata copy, $!, FAIL</font>";
815: }
816:
817: # --------------------------------------------------- Send update notifications
818:
819: {
820:
821: my $filename;
822:
823: $target=~/(.*)\/([^\/]+)$/;
824: my $srcf=$2;
825: opendir(DIR,$1);
826: while ($filename=readdir(DIR)) {
827: if ($filename=~/$srcf\.(\w+)$/) {
828: my $subhost=$1;
829: if ($subhost ne 'meta') {
830: $scrout.='<p>Notifying host '.$subhost.':';
831: print $logfile "\nNotifying host '.$subhost.':'";
832: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
833: $scrout.=$reply;
834: print $logfile $reply;
835: }
836: }
837: }
838: closedir(DIR);
839:
840: }
841:
842: # ---------------------------------------- Send update notifications, meta only
843:
844: {
845:
846: my $filename;
847:
848: $target=~/(.*)\/([^\/]+)$/;
849: my $srcf=$2.'.meta';
850: opendir(DIR,$1);
851: while ($filename=readdir(DIR)) {
852: if ($filename=~/$srcf\.(\w+)$/) {
853: my $subhost=$1;
854: if ($subhost ne 'meta') {
855: $scrout.=
856: '<p>Notifying host for metadata only '.$subhost.':';
857: print $logfile
858: "\nNotifying host for metadata only '.$subhost.':'";
859: my $reply=&Apache::lonnet::critical(
860: 'update:'.$target.'.meta',$subhost);
861: $scrout.=$reply;
862: print $logfile $reply;
863: }
864: }
865: }
866: closedir(DIR);
867:
868: }
869:
870: # ------------------------------------------------ Provide link to new resource
871:
872: my $thisdistarget=$target;
873: $thisdistarget=~s/^$docroot//;
874:
875: my $thissrc=$source;
876: $thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/;
877:
878: my $thissrcdir=$thissrc;
879: $thissrcdir=~s/\/[^\/]+$/\//;
880:
881:
882: return $warning.$scrout.
883: '<hr><a href="'.$thisdistarget.'"><font size=+2>View Target</font></a>'.
884: '<p><a href="'.$thissrc.'"><font size=+2>Back to Source</font></a>'.
885: '<p><a href="'.$thissrcdir.
886: '"><font size=+2>Back to Source Directory</font></a>';
887:
888: }
889:
890: # ================================================================ Main Handler
891:
892: sub handler {
893: my $r=shift;
894:
895: if ($r->header_only) {
896: $r->content_type('text/html');
897: $r->send_http_header;
898: return OK;
899: }
900:
901: # Get query string for limited number of parameters
902:
903: map {
904: my ($name, $value) = split(/=/,$_);
905: $value =~ tr/+/ /;
906: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
907: if ($name eq 'filename') {
908: unless ($ENV{'form.'.$name}) {
909: $ENV{'form.'.$name}=$value;
910: }
911: }
912: } (split(/&/,$ENV{'QUERY_STRING'}));
913:
914:
915: # -------------------------------------------------------------- Check filename
916:
917: my $fn=$ENV{'form.filename'};
918:
919:
920: unless ($fn) {
921: $r->log_reason($cuname.' at '.$cudom.
922: ' trying to publish empty filename', $r->filename);
923: return HTTP_NOT_FOUND;
924: }
925:
926: ($cuname,$cudom)=
927: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
928: unless (($cuname) && ($cudom)) {
929: $r->log_reason($cuname.' at '.$cudom.
930: ' trying to publish file '.$ENV{'form.filename'}.
931: ' ('.$fn.') - not authorized',
932: $r->filename);
933: return HTTP_NOT_ACCEPTABLE;
934: }
935:
936: unless (&Apache::lonnet::homeserver($cuname,$cudom)
937: eq $r->dir_config('lonHostID')) {
938: $r->log_reason($cuname.' at '.$cudom.
939: ' trying to publish file '.$ENV{'form.filename'}.
940: ' ('.$fn.') - not homeserver ('.
941: &Apache::lonnet::homeserver($cuname,$cudom).')',
942: $r->filename);
943: return HTTP_NOT_ACCEPTABLE;
944: }
945:
946: $fn=~s/^http\:\/\/[^\/]+//;
947: $fn=~s/^\/\~(\w+)/\/home\/$1\/public_html/;
948:
949: my $targetdir='';
950: $docroot=$r->dir_config('lonDocRoot');
951: if ($1 ne $cuname) {
952: $r->log_reason($cuname.' at '.$cudom.
953: ' trying to publish unowned file '.$ENV{'form.filename'}.
954: ' ('.$fn.')',
955: $r->filename);
956: return HTTP_NOT_ACCEPTABLE;
957: } else {
958: $targetdir=$docroot.'/res/'.$cudom;
959: }
960:
961:
962: unless (-e $fn) {
963: $r->log_reason($cuname.' at '.$cudom.
964: ' trying to publish non-existing file '.$ENV{'form.filename'}.
965: ' ('.$fn.')',
966: $r->filename);
967: return HTTP_NOT_FOUND;
968: }
969:
970: unless ($ENV{'form.phase'} eq 'two') {
971:
972: # --------------------------------- File is there and owned, init lookup tables
973:
974: %addid=();
975:
976: {
977: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
978: while (<$fh>=~/(\w+)\s+(\w+)/) {
979: $addid{$1}=$2;
980: }
981: }
982:
983: %nokey=();
984:
985: {
986: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
987: map {
988: my $word=$_;
989: chomp($word);
990: $nokey{$word}=1;
991: } <$fh>;
992: }
993:
994: %language=();
995:
996: {
997: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/language.tab');
998: map {
999: $_=~/(\w+)\s+([\w\s\-]+)/;
1000: $language{$1}=$2;
1001: } <$fh>;
1002: }
1003:
1004: %cprtag=();
1005:
1006: {
1007: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/copyright.tab');
1008: map {
1009: $_=~/(\w+)\s+([\w\s\-]+)/;
1010: $cprtag{$1}=$2;
1011: } <$fh>;
1012: }
1013:
1014: }
1015:
1016: # ----------------------------------------------------------- Start page output
1017:
1018: $r->content_type('text/html');
1019: $r->send_http_header;
1020:
1021: $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
1022: $r->print(
1023: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
1024: my $thisfn=$fn;
1025:
1026: # ------------------------------------------------------------- Individual file
1027: {
1028: $thisfn=~/\.(\w+)$/;
1029: my $thistype=$1;
1030: my $thisembstyle=&Apache::lonnet::fileembstyle($thistype);
1031:
1032: my $thistarget=$thisfn;
1033:
1034: $thistarget=~s/^\/home/$targetdir/;
1035: $thistarget=~s/\/public\_html//;
1036:
1037: my $thisdistarget=$thistarget;
1038: $thisdistarget=~s/^$docroot//;
1039:
1040: my $thisdisfn=$thisfn;
1041: $thisdisfn=~s/^\/home\/$cuname\/public_html\///;
1042:
1043: $r->print('<h2>Publishing '.
1044: &Apache::lonnet::filedescription($thistype).' <tt>'.
1045: $thisdisfn.'</tt></h2><b>Target:</b> <tt>'.$thisdistarget.'</tt><p>');
1046:
1047: if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
1048: $r->print('<h3><font color=red>Co-Author: '.$cuname.' at '.$cudom.
1049: '</font></h3>');
1050: }
1051:
1052: if (&Apache::lonnet::fileembstyle($thistype) eq 'ssi') {
1053: $r->print('<br><a href="/adm/diff?filename=/~'.$cuname.'/'.
1054: $thisdisfn.
1055: '&versionone=priv" target=cat>Diffs with Current Version</a><p>');
1056: }
1057:
1058: # ------------ We are publishing from $thisfn to $thistarget with $thisembstyle
1059:
1060: unless ($ENV{'form.phase'} eq 'two') {
1061: $r->print(
1062: '<hr>'.&publish($thisfn,$thistarget,$thisembstyle));
1063: } else {
1064: $r->print(
1065: '<hr>'.&phasetwo($thisfn,$thistarget,$thisembstyle,$thisdistarget));
1066: }
1067:
1068: }
1069: $r->print('</body></html>');
1070:
1071: return OK;
1072: }
1073:
1074: 1;
1075: __END__
1076:
1077:
1078:
1079:
1080:
1081:
1082:
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