1: # The LearningOnline Network with CAPA
2: # Publication Handler
3: #
4: # $Id: lonpublisher.pm,v 1.62 2001/12/06 18:56:14 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: # 12/05 Guy Albertelli
43: # 12/06 Gerd Kortemeyer
44:
45: package Apache::lonpublisher;
46:
47: use strict;
48: use Apache::File;
49: use File::Copy;
50: use Apache::Constants qw(:common :http :methods);
51: use HTML::TokeParser;
52: use Apache::lonxml;
53: use Apache::lonhomework;
54: use Apache::loncacc;
55: use DBI;
56:
57: my %addid;
58: my %nokey;
59: my %language;
60: my %cprtag;
61:
62: my %metadatafields;
63: my %metadatakeys;
64:
65: my $docroot;
66:
67: my $cuname;
68: my $cudom;
69:
70: # ----------------------------------------------- Evaluate string with metadata
71:
72: sub metaeval {
73: my $metastring=shift;
74:
75: my $parser=HTML::TokeParser->new(\$metastring);
76: my $token;
77: while ($token=$parser->get_token) {
78: if ($token->[0] eq 'S') {
79: my $entry=$token->[1];
80: my $unikey=$entry;
81: if (defined($token->[2]->{'package'})) {
82: $unikey.='_package_'.$token->[2]->{'package'};
83: }
84: if (defined($token->[2]->{'part'})) {
85: $unikey.='_'.$token->[2]->{'part'};
86: }
87: if (defined($token->[2]->{'id'})) {
88: $unikey.='_'.$token->[2]->{'id'};
89: }
90: if (defined($token->[2]->{'name'})) {
91: $unikey.='_'.$token->[2]->{'name'};
92: }
93: map {
94: $metadatafields{$unikey.'.'.$_}=$token->[2]->{$_};
95: if ($metadatakeys{$unikey}) {
96: $metadatakeys{$unikey}.=','.$_;
97: } else {
98: $metadatakeys{$unikey}=$_;
99: }
100: } @{$token->[3]};
101: if ($metadatafields{$unikey}) {
102: my $newentry=$parser->get_text('/'.$entry);
103: unless (($metadatafields{$unikey}=~/$newentry/) ||
104: ($newentry eq '')) {
105: $metadatafields{$unikey}.=', '.$newentry;
106: }
107: } else {
108: $metadatafields{$unikey}=$parser->get_text('/'.$entry);
109: }
110: }
111: }
112: }
113:
114: # -------------------------------------------------------- Read a metadata file
115:
116: sub metaread {
117: my ($logfile,$fn)=@_;
118: unless (-e $fn) {
119: print $logfile 'No file '.$fn."\n";
120: return '<br><b>No file:</b> <tt>'.$fn.'</tt>';
121: }
122: print $logfile 'Processing '.$fn."\n";
123: my $metastring;
124: {
125: my $metafh=Apache::File->new($fn);
126: $metastring=join('',<$metafh>);
127: }
128: &metaeval($metastring);
129: return '<br><b>Processed file:</b> <tt>'.$fn.'</tt>';
130: }
131:
132: # ---------------------------- convert 'time' format into a datetime sql format
133: sub sqltime {
134: my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
135: localtime(@_[0]);
136: $mon++; $year+=1900;
137: return "$year-$mon-$mday $hour:$min:$sec";
138: }
139:
140: # --------------------------------------------------------- Various form fields
141:
142: sub textfield {
143: my ($title,$name,$value)=@_;
144: return "\n<p><b>$title:</b><br>".
145: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
146: }
147:
148: sub hiddenfield {
149: my ($name,$value)=@_;
150: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
151: }
152:
153: sub selectbox {
154: my ($title,$name,$value,%options)=@_;
155: my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
156: map {
157: $selout.='<option value="'.$_.'"';
158: if ($_ eq $value) { $selout.=' selected'; }
159: $selout.='>'.$options{$_}.'</option>';
160: } sort keys %options;
161: return $selout.'</select>';
162: }
163:
164: # -------------------------------------------------------- Publication Step One
165:
166: sub urlfixup {
167: my ($url,$target)=@_;
168: unless ($url) { return ''; }
169: my ($host)=($url=~/(?:http\:\/\/)*([^\/]+)/);
170: map {
171: if ($_ eq $host) {
172: $url=~s/^http\:\/\///;
173: $url=~s/^$host//;
174: }
175: } values %Apache::lonnet::hostname;
176: if ($url=~/^http\:\/\//) { return $url; }
177: $url=~s/\~$cuname/res\/$cudom\/$cuname/;
178: if ($target) {
179: $target=~s/\/[^\/]+$//;
180: $url=&Apache::lonnet::hreflocation($target,$url);
181: }
182: return $url;
183: }
184:
185: sub publish {
186:
187: my ($source,$target,$style)=@_;
188: my $logfile;
189: my $scrout='';
190: my $allmeta='';
191: my $content='';
192: my %allow=();
193: undef %allow;
194:
195: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
196: return
197: '<font color=red>No write permission to user directory, FAIL</font>';
198: }
199: print $logfile
200: "\n\n================= Publish ".localtime()." Phase One ================\n";
201:
202: if (($style eq 'ssi') || ($style eq 'rat')) {
203: # ------------------------------------------------------- This needs processing
204:
205: # ----------------------------------------------------------------- Backup Copy
206: my $copyfile=$source.'.save';
207: if (copy($source,$copyfile)) {
208: print $logfile "Copied original file to ".$copyfile."\n";
209: } else {
210: print $logfile "Unable to write backup ".$copyfile.':'.$!."\n";
211: return "<font color=red>Failed to write backup copy, $!,FAIL</font>";
212: }
213: # ------------------------------------------------------------- IDs and indices
214:
215: my $maxindex=10;
216: my $maxid=10;
217:
218: my $needsfixup=0;
219:
220: {
221: my $org=Apache::File->new($source);
222: $content=join('',<$org>);
223: }
224: {
225: my $parser=HTML::TokeParser->new(\$content);
226: my $token;
227: while ($token=$parser->get_token) {
228: if ($token->[0] eq 'S') {
229: my $counter;
230: if ($counter=$addid{$token->[1]}) {
231: if ($counter eq 'id') {
232: if (defined($token->[2]->{'id'})) {
233: $maxid=
234: ($token->[2]->{'id'}>$maxid)?$token->[2]->{'id'}:$maxid;
235: } else {
236: $needsfixup=1;
237: }
238: } else {
239: if (defined($token->[2]->{'index'})) {
240: $maxindex=
241: ($token->[2]->{'index'}>$maxindex)?$token->[2]->{'index'}:$maxindex;
242: } else {
243: $needsfixup=1;
244: }
245: }
246: }
247: }
248: }
249: }
250: if ($needsfixup) {
251: print $logfile "Needs ID and/or index fixup\n".
252: "Max ID : $maxid (min 10)\n".
253: "Max Index: $maxindex (min 10)\n";
254: }
255: my $outstring='';
256: my $parser=HTML::TokeParser->new(\$content);
257: $parser->xml_mode(1);
258: my $token;
259: while ($token=$parser->get_token) {
260: if ($token->[0] eq 'S') {
261: my $counter;
262: my $tag=$token->[1];
263: my $lctag=lc($tag);
264: unless ($lctag eq 'allow') {
265: my %parms=%{$token->[2]};
266: $counter=$addid{$tag};
267: if (!$counter) { $counter=$addid{$lctag}; }
268: if ($counter) {
269: if ($counter eq 'id') {
270: unless (defined($parms{'id'})) {
271: $maxid++;
272: $parms{'id'}=$maxid;
273: print $logfile 'ID: '.$tag.':'.$maxid."\n";
274: }
275: } elsif ($counter eq 'index') {
276: unless (defined($parms{'index'})) {
277: $maxindex++;
278: $parms{'index'}=$maxindex;
279: print $logfile 'Index: '.$tag.':'.$maxindex."\n";
280: }
281: }
282: }
283:
284: map {
285: if (defined($parms{$_})) {
286: my $oldurl=$parms{$_};
287: my $newurl=&urlfixup($oldurl,$target);
288: if ($newurl ne $oldurl) {
289: $parms{$_}=$newurl;
290: print $logfile 'URL: '.$tag.':'.$oldurl.' - '.
291: $newurl."\n";
292: }
293: $allow{$newurl}=1;
294: }
295: } ('src','href','background');
296:
297: if ($lctag eq 'applet') {
298: my $codebase='';
299: if (defined($parms{'codebase'})) {
300: my $oldcodebase=$parms{'codebase'};
301: unless ($oldcodebase=~/\/$/) {
302: $oldcodebase.='/';
303: }
304: $codebase=&urlfixup($oldcodebase,$target);
305: $codebase=~s/\/$//;
306: if ($codebase ne $oldcodebase) {
307: $parms{'codebase'}=$codebase;
308: print $logfile 'URL codebase: '.$tag.':'.
309: $oldcodebase.' - '.
310: $codebase."\n";
311: }
312: $allow{$codebase.'/*'}=1;
313: } else {
314: map {
315: if (defined($parms{$_})) {
316: my $oldurl=$parms{$_};
317: my $newurl=&urlfixup($oldurl,$target);
318: $newurl=~s/\/[^\/]+$/\/\*/;
319: print $logfile 'Allow: applet '.$_.':'.
320: $oldurl.' allows '.
321: $newurl."\n";
322: $allow{$newurl}=1;
323: }
324: } ('archive','code','object');
325: }
326: }
327:
328: my $newparmstring='';
329: my $endtag='';
330: map {
331: if ($_ eq '/') {
332: $endtag=' /';
333: } else {
334: my $quote=($parms{$_}=~/\"/?"'":'"');
335: $newparmstring.=' '.$_.'='.$quote.$parms{$_}.$quote;
336: }
337: } keys %parms;
338: if (!$endtag) { if ($token->[4]=~m:/>$:) { $endtag=' /'; }; }
339: $outstring.='<'.$tag.$newparmstring.$endtag.'>';
340: } else {
341: $allow{$token->[2]->{'src'}}=1;
342: }
343: } elsif ($token->[0] eq 'E') {
344: if ($token->[2]) {
345: unless ($token->[1] eq 'allow') {
346: $outstring.='</'.$token->[1].'>';
347: }
348: }
349: } else {
350: $outstring.=$token->[1];
351: }
352: }
353: # ------------------------------------------------------------ Construct Allows
354:
355: $scrout.='<h3>Dependencies</h3>';
356: my $allowstr='';
357: map {
358: my $thisdep=$_;
359: unless ($style eq 'rat') {
360: $allowstr.="\n".'<allow src="'.$thisdep.'" />';
361: }
362: $scrout.='<br>';
363: unless ($thisdep=~/\*/) {
364: $scrout.='<a href="'.$thisdep.'">';
365: }
366: $scrout.='<tt>'.$thisdep.'</tt>';
367: unless ($thisdep=~/\*/) {
368: $scrout.='</a>';
369: if (
370: &Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
371: $thisdep.'.meta') eq '-1') {
372: $scrout.=
373: ' - <font color=red>Currently not available</font>';
374: } else {
375: my %temphash=(&Apache::lonnet::declutter($target).'___'.
376: &Apache::lonnet::declutter($thisdep).'___usage'
377: => time);
378: $thisdep=~/^\/res\/(\w+)\/(\w+)\//;
379: if ((defined($1)) && (defined($2))) {
380: &Apache::lonnet::put('resevaldata',\%temphash,$1,$2);
381: }
382: }
383: }
384: } keys %allow;
385: $outstring=~s/(\<\/[^\>]+\>\s*)$/$allowstr$1/s;
386:
387: # ------------------------------------------------------------- Write modified
388:
389: {
390: my $org;
391: unless ($org=Apache::File->new('>'.$source)) {
392: print $logfile "No write permit to $source\n";
393: return
394: "<font color=red>No write permission to $source, FAIL</font>";
395: }
396: print $org $outstring;
397: }
398: $content=$outstring;
399:
400: if ($needsfixup) {
401: print $logfile "End of ID and/or index fixup\n".
402: "Max ID : $maxid (min 10)\n".
403: "Max Index: $maxindex (min 10)\n";
404: } else {
405: print $logfile "Does not need ID and/or index fixup\n";
406: }
407: }
408: # --------------------------------------------- Initial step done, now metadata
409:
410: # ---------------------------------------- Storage for metadata keys and fields
411:
412: %metadatafields=();
413: %metadatakeys=();
414:
415: my %oldparmstores=();
416:
417: $scrout.='<h3>Metadata Information</h3>';
418:
419: # ------------------------------------------------ First, check out environment
420: unless (-e $source.'.meta') {
421: $metadatafields{'author'}=$ENV{'environment.firstname'}.' '.
422: $ENV{'environment.middlename'}.' '.
423: $ENV{'environment.lastname'}.' '.
424: $ENV{'environment.generation'};
425: $metadatafields{'author'}=~s/\s+/ /g;
426: $metadatafields{'author'}=~s/\s+$//;
427: $metadatafields{'owner'}=$cuname.'@'.$cudom;
428:
429: # ------------------------------------------------ Check out directory hierachy
430:
431: my $thisdisfn=$source;
432: $thisdisfn=~s/^\/home\/$cuname\///;
433:
434: my @urlparts=split(/\//,$thisdisfn);
435: $#urlparts--;
436:
437: my $currentpath='/home/'.$cuname.'/';
438:
439: map {
440: $currentpath.=$_.'/';
441: $scrout.=&metaread($logfile,$currentpath.'default.meta');
442: } @urlparts;
443:
444: # ------------------- Clear out parameters and stores (there should not be any)
445:
446: map {
447: if (($_=~/^parameter/) || ($_=~/^stores/)) {
448: delete $metadatafields{$_};
449: }
450: } keys %metadatafields;
451:
452: } else {
453: # ---------------------- Read previous metafile, remember parameters and stores
454:
455: $scrout.=&metaread($logfile,$source.'.meta');
456:
457: map {
458: if (($_=~/^parameter/) || ($_=~/^stores/)) {
459: $oldparmstores{$_}=1;
460: delete $metadatafields{$_};
461: }
462: } keys %metadatafields;
463:
464: }
465:
466: # -------------------------------------------------- Parse content for metadata
467: if ($style eq 'ssi') {
468: my $oldenv=$ENV{'request.uri'};
469:
470: $ENV{'request.uri'}=$target;
471: $allmeta=Apache::lonxml::xmlparse('meta',$content);
472: $ENV{'request.uri'}=$oldenv;
473:
474: &metaeval($allmeta);
475: }
476: # ---------------- Find and document discrepancies in the parameters and stores
477:
478: my $chparms='';
479: map {
480: if (($_=~/^parameter/) || ($_=~/^stores/)) {
481: unless ($_=~/\.\w+$/) {
482: unless ($oldparmstores{$_}) {
483: print $logfile 'New: '.$_."\n";
484: $chparms.=$_.' ';
485: }
486: }
487: }
488: } sort keys %metadatafields;
489: if ($chparms) {
490: $scrout.='<p><b>New parameters or stored values:</b> '.
491: $chparms;
492: }
493:
494: my $chparms='';
495: map {
496: if (($_=~/^parameter/) || ($_=~/^stores/)) {
497: unless (($metadatafields{$_.'.name'}) ||
498: ($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) {
499: print $logfile 'Obsolete: '.$_."\n";
500: $chparms.=$_.' ';
501: }
502: }
503: } sort keys %oldparmstores;
504: if ($chparms) {
505: $scrout.='<p><b>Obsolete parameters or stored values:</b> '.
506: $chparms;
507: }
508:
509: # ------------------------------------------------------- Now have all metadata
510:
511: $scrout.=
512: '<form action="/adm/publish" method="post">'.
513: &hiddenfield('phase','two').
514: &hiddenfield('filename',$ENV{'form.filename'}).
515: &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
516: &hiddenfield('dependencies',join(',',keys %allow)).
517: &textfield('Title','title',$metadatafields{'title'}).
518: &textfield('Author(s)','author',$metadatafields{'author'}).
519: &textfield('Subject','subject',$metadatafields{'subject'});
520:
521: # --------------------------------------------------- Scan content for keywords
522:
523: my $keywordout='<p><b>Keywords:</b><br><table border=2><tr>';
524: my $colcount=0;
525:
526: if (length($content)<500000) {
527: my $textonly=$content;
528: $textonly=~s/\<script[^\<]+\<\/script\>//g;
529: $textonly=~s/\<m\>[^\<]+\<\/m\>//g;
530: $textonly=~s/\<[^\>]*\>//g;
531: $textonly=~tr/A-Z/a-z/;
532: $textonly=~s/[\$\&][a-z]\w*//g;
533: $textonly=~s/[^a-z\s]//g;
534:
535: my %keywords=();
536: map {
537: unless ($nokey{$_}) {
538: $keywords{$_}=1;
539: }
540: } ($textonly=~m/(\w+)/g);
541:
542: map {
543: $keywords{$_}=1;
544: } split(/\W+/,$metadatafields{'keywords'});
545:
546: map {
547: $keywordout.='<td><input type=checkbox name="key.'.$_.'"';
548: if ($metadatafields{'keywords'}=~/$_/) {
549: $keywordout.=' checked';
550: }
551: $keywordout.='>'.$_.'</td>';
552: if ($colcount>10) {
553: $keywordout.="</tr><tr>\n";
554: $colcount=0;
555: }
556: $colcount++;
557: } sort keys %keywords;
558:
559: } else {
560: $keywordout.='<td>File too long for keyword analysis</td>';
561: }
562:
563: $keywordout.='</tr></table>';
564:
565: $scrout.=$keywordout;
566:
567: $scrout.=&textfield('Additional Keywords','addkey','');
568:
569: $scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
570:
571: $scrout.=
572: '<p><b>Abstract:</b><br><textarea cols=80 rows=5 name=abstract>'.
573: $metadatafields{'abstract'}.'</textarea>';
574:
575: $source=~/\.(\w+)$/;
576:
577: $scrout.=&hiddenfield('mime',$1);
578:
579: $scrout.=&selectbox('Language','language',
580: $metadatafields{'language'},%language);
581:
582: unless ($metadatafields{'creationdate'}) {
583: $metadatafields{'creationdate'}=time;
584: }
585: $scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'});
586:
587: $scrout.=&hiddenfield('lastrevisiondate',time);
588:
589:
590: $scrout.=&textfield('Publisher/Owner','owner',
591: $metadatafields{'owner'});
592: # --------------------------------------------------- Correct copyright for rat
593: if ($style eq 'rat') {
594: if ($metadatafields{'copyright'} eq 'public') {
595: delete $metadatafields{'copyright'};
596: }
597: delete $cprtag{'public'};
598: }
599:
600: $scrout.=&selectbox('Copyright/Distribution','copyright',
601: $metadatafields{'copyright'},%cprtag);
602:
603: return $scrout.
604: '<p><input type="submit" value="Finalize Publication"></form>';
605: }
606:
607: # -------------------------------------------------------- Publication Step Two
608:
609: sub phasetwo {
610:
611: my ($source,$target,$style,$distarget)=@_;
612: my $logfile;
613: my $scrout='';
614:
615: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
616: return
617: '<font color=red>No write permission to user directory, FAIL</font>';
618: }
619: print $logfile
620: "\n================= Publish ".localtime()." Phase Two ================\n";
621:
622: %metadatafields=();
623: %metadatakeys=();
624:
625: &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
626:
627: $metadatafields{'title'}=$ENV{'form.title'};
628: $metadatafields{'author'}=$ENV{'form.author'};
629: $metadatafields{'subject'}=$ENV{'form.subject'};
630: $metadatafields{'notes'}=$ENV{'form.notes'};
631: $metadatafields{'abstract'}=$ENV{'form.abstract'};
632: $metadatafields{'mime'}=$ENV{'form.mime'};
633: $metadatafields{'language'}=$ENV{'form.language'};
634: $metadatafields{'creationdate'}=$ENV{'form.creationdate'};
635: $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'};
636: $metadatafields{'owner'}=$ENV{'form.owner'};
637: $metadatafields{'copyright'}=$ENV{'form.copyright'};
638: $metadatafields{'dependencies'}=$ENV{'form.dependencies'};
639:
640: my $allkeywords=$ENV{'form.addkey'};
641: map {
642: if ($_=~/^form\.key\.(\w+)/) {
643: $allkeywords.=','.$1;
644: }
645: } keys %ENV;
646: $allkeywords=~s/\W+/\,/;
647: $allkeywords=~s/^\,//;
648: $metadatafields{'keywords'}=$allkeywords;
649:
650: {
651: print $logfile "\nWrite metadata file for ".$source;
652: my $mfh;
653: unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
654: return
655: '<font color=red>Could not write metadata, FAIL</font>';
656: }
657: map {
658: unless ($_=~/\./) {
659: my $unikey=$_;
660: $unikey=~/^([A-Za-z]+)/;
661: my $tag=$1;
662: $tag=~tr/A-Z/a-z/;
663: print $mfh "\n\<$tag";
664: map {
665: my $value=$metadatafields{$unikey.'.'.$_};
666: $value=~s/\"/\'\'/g;
667: print $mfh ' '.$_.'="'.$value.'"';
668: } split(/\,/,$metadatakeys{$unikey});
669: print $mfh '>'.$metadatafields{$unikey}.'</'.$tag.'>';
670: }
671: } sort keys %metadatafields;
672: $scrout.='<p>Wrote Metadata';
673: print $logfile "\nWrote metadata";
674: }
675:
676: # -------------------------------- Synchronize entry with SQL metadata database
677: my %perlvar;
678: open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf";
679: my $configline;
680: while ($configline=<CONFIG>) {
681: if ($configline =~ /PerlSetVar/) {
682: my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);
683: chomp($varvalue);
684: $perlvar{$varname}=$varvalue;
685: }
686: }
687: close(CONFIG);
688:
689: my $warning;
690: my $dbh;
691: {
692: unless (
693: $dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
694: ) {
695: $warning='<font color=red>WARNING: Cannot connect to '.
696: 'database!</font>';
697: }
698: else {
699: my %sqldatafields;
700: $sqldatafields{'url'}=$distarget;
701: my $sth=$dbh->prepare(
702: 'delete from metadata where url like binary'.
703: '"'.$sqldatafields{'url'}.'"');
704: $sth->execute();
705: map {my $field=$metadatafields{$_}; $field=~s/\"/\'\'/g;
706: $sqldatafields{$_}=$field;}
707: ('title','author','subject','keywords','notes','abstract',
708: 'mime','language','creationdate','lastrevisiondate','owner',
709: 'copyright');
710:
711: $sth=$dbh->prepare('insert into metadata values ('.
712: '"'.delete($sqldatafields{'title'}).'"'.','.
713: '"'.delete($sqldatafields{'author'}).'"'.','.
714: '"'.delete($sqldatafields{'subject'}).'"'.','.
715: '"'.delete($sqldatafields{'url'}).'"'.','.
716: '"'.delete($sqldatafields{'keywords'}).'"'.','.
717: '"'.'current'.'"'.','.
718: '"'.delete($sqldatafields{'notes'}).'"'.','.
719: '"'.delete($sqldatafields{'abstract'}).'"'.','.
720: '"'.delete($sqldatafields{'mime'}).'"'.','.
721: '"'.delete($sqldatafields{'language'}).'"'.','.
722: '"'.
723: sqltime(delete($sqldatafields{'creationdate'}))
724: .'"'.','.
725: '"'.
726: sqltime(delete(
727: $sqldatafields{'lastrevisiondate'})).'"'.','.
728: '"'.delete($sqldatafields{'owner'}).'"'.','.
729: '"'.delete(
730: $sqldatafields{'copyright'}).'"'.')');
731: $sth->execute();
732: $dbh->disconnect;
733: $scrout.='<p>Synchronized SQL metadata database';
734: print $logfile "\nSynchronized SQL metadata database";
735: }
736: }
737:
738:
739: # ----------------------------------------------------------- Copy old versions
740:
741: if (-e $target) {
742: my $filename;
743: my $maxversion=0;
744: $target=~/(.*)\/([^\/]+)\.(\w+)$/;
745: my $srcf=$2;
746: my $srct=$3;
747: my $srcd=$1;
748: unless ($srcd=~/^\/home\/httpd\/html\/res/) {
749: print $logfile "\nPANIC: Target dir is ".$srcd;
750: return "<font color=red>Invalid target directory, FAIL</font>";
751: }
752: opendir(DIR,$srcd);
753: while ($filename=readdir(DIR)) {
754: if ($filename=~/$srcf\.(\d+)\.$srct$/) {
755: $maxversion=($1>$maxversion)?$1:$maxversion;
756: }
757: }
758: closedir(DIR);
759: $maxversion++;
760: $scrout.='<p>Creating old version '.$maxversion;
761: print $logfile "\nCreating old version ".$maxversion;
762:
763: my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
764:
765: if (copy($target,$copyfile)) {
766: print $logfile "Copied old target to ".$copyfile."\n";
767: $scrout.='<p>Copied old target file';
768: } else {
769: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
770: return "<font color=red>Failed to copy old target, $!, FAIL</font>";
771: }
772:
773: # --------------------------------------------------------------- Copy Metadata
774:
775: $copyfile=$copyfile.'.meta';
776:
777: if (copy($target.'.meta',$copyfile)) {
778: print $logfile "Copied old target metadata to ".$copyfile."\n";
779: $scrout.='<p>Copied old metadata';
780: } else {
781: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
782: if (-e $target.'.meta') {
783: return
784: "<font color=red>Failed to write old metadata copy, $!, FAIL</font>";
785: }
786: }
787:
788:
789: } else {
790: $scrout.='<p>Initial version';
791: print $logfile "\nInitial version";
792: }
793:
794: # ---------------------------------------------------------------- Write Source
795: my $copyfile=$target;
796:
797: my @parts=split(/\//,$copyfile);
798: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
799:
800: my $count;
801: for ($count=5;$count<$#parts;$count++) {
802: $path.="/$parts[$count]";
803: if ((-e $path)!=1) {
804: print $logfile "\nCreating directory ".$path;
805: $scrout.='<p>Created directory '.$parts[$count];
806: mkdir($path,0777);
807: }
808: }
809:
810: if (copy($source,$copyfile)) {
811: print $logfile "Copied original source to ".$copyfile."\n";
812: $scrout.='<p>Copied source file';
813: } else {
814: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
815: return "<font color=red>Failed to copy source, $!, FAIL</font>";
816: }
817:
818: # --------------------------------------------------------------- Copy Metadata
819:
820: $copyfile=$copyfile.'.meta';
821:
822: if (copy($source.'.meta',$copyfile)) {
823: print $logfile "Copied original metadata to ".$copyfile."\n";
824: $scrout.='<p>Copied metadata';
825: } else {
826: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
827: return
828: "<font color=red>Failed to write metadata copy, $!, FAIL</font>";
829: }
830:
831: # --------------------------------------------------- Send update notifications
832:
833: {
834:
835: my $filename;
836:
837: $target=~/(.*)\/([^\/]+)$/;
838: my $srcf=$2;
839: opendir(DIR,$1);
840: while ($filename=readdir(DIR)) {
841: if ($filename=~/$srcf\.(\w+)$/) {
842: my $subhost=$1;
843: if ($subhost ne 'meta') {
844: $scrout.='<p>Notifying host '.$subhost.':';
845: print $logfile "\nNotifying host '.$subhost.':'";
846: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
847: $scrout.=$reply;
848: print $logfile $reply;
849: }
850: }
851: }
852: closedir(DIR);
853:
854: }
855:
856: # ---------------------------------------- Send update notifications, meta only
857:
858: {
859:
860: my $filename;
861:
862: $target=~/(.*)\/([^\/]+)$/;
863: my $srcf=$2.'.meta';
864: opendir(DIR,$1);
865: while ($filename=readdir(DIR)) {
866: if ($filename=~/$srcf\.(\w+)$/) {
867: my $subhost=$1;
868: if ($subhost ne 'meta') {
869: $scrout.=
870: '<p>Notifying host for metadata only '.$subhost.':';
871: print $logfile
872: "\nNotifying host for metadata only '.$subhost.':'";
873: my $reply=&Apache::lonnet::critical(
874: 'update:'.$target.'.meta',$subhost);
875: $scrout.=$reply;
876: print $logfile $reply;
877: }
878: }
879: }
880: closedir(DIR);
881:
882: }
883:
884: # ------------------------------------------------ Provide link to new resource
885:
886: my $thisdistarget=$target;
887: $thisdistarget=~s/^$docroot//;
888:
889: my $thissrc=$source;
890: $thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/;
891:
892: my $thissrcdir=$thissrc;
893: $thissrcdir=~s/\/[^\/]+$/\//;
894:
895:
896: return $warning.$scrout.
897: '<hr><a href="'.$thisdistarget.'"><font size=+2>View Target</font></a>'.
898: '<p><a href="'.$thissrc.'"><font size=+2>Back to Source</font></a>'.
899: '<p><a href="'.$thissrcdir.
900: '"><font size=+2>Back to Source Directory</font></a>';
901:
902: }
903:
904: # ================================================================ Main Handler
905:
906: sub handler {
907: my $r=shift;
908:
909: if ($r->header_only) {
910: $r->content_type('text/html');
911: $r->send_http_header;
912: return OK;
913: }
914:
915: # Get query string for limited number of parameters
916:
917: map {
918: my ($name, $value) = split(/=/,$_);
919: $value =~ tr/+/ /;
920: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
921: if ($name eq 'filename') {
922: unless ($ENV{'form.'.$name}) {
923: $ENV{'form.'.$name}=$value;
924: }
925: }
926: } (split(/&/,$ENV{'QUERY_STRING'}));
927:
928:
929: # -------------------------------------------------------------- Check filename
930:
931: my $fn=$ENV{'form.filename'};
932:
933:
934: unless ($fn) {
935: $r->log_reason($cuname.' at '.$cudom.
936: ' trying to publish empty filename', $r->filename);
937: return HTTP_NOT_FOUND;
938: }
939:
940: ($cuname,$cudom)=
941: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
942: unless (($cuname) && ($cudom)) {
943: $r->log_reason($cuname.' at '.$cudom.
944: ' trying to publish file '.$ENV{'form.filename'}.
945: ' ('.$fn.') - not authorized',
946: $r->filename);
947: return HTTP_NOT_ACCEPTABLE;
948: }
949:
950: unless (&Apache::lonnet::homeserver($cuname,$cudom)
951: eq $r->dir_config('lonHostID')) {
952: $r->log_reason($cuname.' at '.$cudom.
953: ' trying to publish file '.$ENV{'form.filename'}.
954: ' ('.$fn.') - not homeserver ('.
955: &Apache::lonnet::homeserver($cuname,$cudom).')',
956: $r->filename);
957: return HTTP_NOT_ACCEPTABLE;
958: }
959:
960: $fn=~s/^http\:\/\/[^\/]+//;
961: $fn=~s/^\/\~(\w+)/\/home\/$1\/public_html/;
962:
963: my $targetdir='';
964: $docroot=$r->dir_config('lonDocRoot');
965: if ($1 ne $cuname) {
966: $r->log_reason($cuname.' at '.$cudom.
967: ' trying to publish unowned file '.$ENV{'form.filename'}.
968: ' ('.$fn.')',
969: $r->filename);
970: return HTTP_NOT_ACCEPTABLE;
971: } else {
972: $targetdir=$docroot.'/res/'.$cudom;
973: }
974:
975:
976: unless (-e $fn) {
977: $r->log_reason($cuname.' at '.$cudom.
978: ' trying to publish non-existing file '.$ENV{'form.filename'}.
979: ' ('.$fn.')',
980: $r->filename);
981: return HTTP_NOT_FOUND;
982: }
983:
984: unless ($ENV{'form.phase'} eq 'two') {
985:
986: # --------------------------------- File is there and owned, init lookup tables
987:
988: %addid=();
989:
990: {
991: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
992: while (<$fh>=~/(\w+)\s+(\w+)/) {
993: $addid{$1}=$2;
994: }
995: }
996:
997: %nokey=();
998:
999: {
1000: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
1001: map {
1002: my $word=$_;
1003: chomp($word);
1004: $nokey{$word}=1;
1005: } <$fh>;
1006: }
1007:
1008: %language=();
1009:
1010: {
1011: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/language.tab');
1012: map {
1013: $_=~/(\w+)\s+([\w\s\-]+)/;
1014: $language{$1}=$2;
1015: } <$fh>;
1016: }
1017:
1018: %cprtag=();
1019:
1020: {
1021: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/copyright.tab');
1022: map {
1023: $_=~/(\w+)\s+([\w\s\-]+)/;
1024: $cprtag{$1}=$2;
1025: } <$fh>;
1026: }
1027:
1028: }
1029:
1030: # ----------------------------------------------------------- Start page output
1031:
1032: $r->content_type('text/html');
1033: $r->send_http_header;
1034:
1035: $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
1036: $r->print(
1037: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
1038: my $thisfn=$fn;
1039:
1040: # ------------------------------------------------------------- Individual file
1041: {
1042: $thisfn=~/\.(\w+)$/;
1043: my $thistype=$1;
1044: my $thisembstyle=&Apache::lonnet::fileembstyle($thistype);
1045:
1046: my $thistarget=$thisfn;
1047:
1048: $thistarget=~s/^\/home/$targetdir/;
1049: $thistarget=~s/\/public\_html//;
1050:
1051: my $thisdistarget=$thistarget;
1052: $thisdistarget=~s/^$docroot//;
1053:
1054: my $thisdisfn=$thisfn;
1055: $thisdisfn=~s/^\/home\/$cuname\/public_html\///;
1056:
1057: $r->print('<h2>Publishing '.
1058: &Apache::lonnet::filedescription($thistype).' <tt>'.
1059: $thisdisfn.'</tt></h2><b>Target:</b> <tt>'.$thisdistarget.'</tt><p>');
1060:
1061: if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
1062: $r->print('<h3><font color=red>Co-Author: '.$cuname.' at '.$cudom.
1063: '</font></h3>');
1064: }
1065:
1066: if (&Apache::lonnet::fileembstyle($thistype) eq 'ssi') {
1067: $r->print('<br><a href="/adm/diff?filename=/~'.$cuname.'/'.
1068: $thisdisfn.
1069: '&versionone=priv" target=cat>Diffs with Current Version</a><p>');
1070: }
1071:
1072: # ------------ We are publishing from $thisfn to $thistarget with $thisembstyle
1073:
1074: unless ($ENV{'form.phase'} eq 'two') {
1075: $r->print(
1076: '<hr>'.&publish($thisfn,$thistarget,$thisembstyle));
1077: } else {
1078: $r->print(
1079: '<hr>'.&phasetwo($thisfn,$thistarget,$thisembstyle,$thisdistarget));
1080: }
1081:
1082: }
1083: $r->print('</body></html>');
1084:
1085: return OK;
1086: }
1087:
1088: 1;
1089: __END__
1090:
1091:
1092:
1093:
1094:
1095:
1096:
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