1: # The LearningOnline Network with CAPA
2: # Publication Handler
3: #
4: # (TeX Content Handler
5: #
6: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
7: #
8: # 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
9: # 03/23 Guy Albertelli
10: # 03/24,03/29,04/03 Gerd Kortemeyer
11: # 04/16/2001 Scott Harrison
12: # 05/03,05/05,05/07 Gerd Kortemeyer
13: # 05/28/2001 Scott Harrison
14: # 06/23,08/07,08/11 Gerd Kortemeyer
15:
16: package Apache::lonpublisher;
17:
18: use strict;
19: use Apache::File;
20: use File::Copy;
21: use Apache::Constants qw(:common :http :methods);
22: use HTML::TokeParser;
23: use Apache::lonxml;
24: use Apache::lonhomework;
25: use Apache::loncacc;
26: use DBI;
27:
28: my %addid;
29: my %nokey;
30: my %language;
31: my %cprtag;
32:
33: my %metadatafields;
34: my %metadatakeys;
35:
36: my $docroot;
37:
38: my $cuname;
39: my $cudom;
40:
41: # ----------------------------------------------- Evaluate string with metadata
42:
43: sub metaeval {
44: my $metastring=shift;
45:
46: my $parser=HTML::TokeParser->new(\$metastring);
47: my $token;
48: while ($token=$parser->get_token) {
49: if ($token->[0] eq 'S') {
50: my $entry=$token->[1];
51: my $unikey=$entry;
52: if (defined($token->[2]->{'package'})) {
53: $unikey.='_package_'.$token->[2]->{'package'};
54: }
55: if (defined($token->[2]->{'part'})) {
56: $unikey.='_'.$token->[2]->{'part'};
57: }
58: if (defined($token->[2]->{'id'})) {
59: $unikey.='_'.$token->[2]->{'id'};
60: }
61: if (defined($token->[2]->{'name'})) {
62: $unikey.='_'.$token->[2]->{'name'};
63: }
64: map {
65: $metadatafields{$unikey.'.'.$_}=$token->[2]->{$_};
66: if ($metadatakeys{$unikey}) {
67: $metadatakeys{$unikey}.=','.$_;
68: } else {
69: $metadatakeys{$unikey}=$_;
70: }
71: } @{$token->[3]};
72: if ($metadatafields{$unikey}) {
73: my $newentry=$parser->get_text('/'.$entry);
74: unless ($metadatafields{$unikey}=~/$newentry/) {
75: $metadatafields{$unikey}.=', '.$newentry;
76: }
77: } else {
78: $metadatafields{$unikey}=$parser->get_text('/'.$entry);
79: }
80: }
81: }
82: }
83:
84: # -------------------------------------------------------- Read a metadata file
85:
86: sub metaread {
87: my ($logfile,$fn)=@_;
88: unless (-e $fn) {
89: print $logfile 'No file '.$fn."\n";
90: return '<br><b>No file:</b> <tt>'.$fn.'</tt>';
91: }
92: print $logfile 'Processing '.$fn."\n";
93: my $metastring;
94: {
95: my $metafh=Apache::File->new($fn);
96: $metastring=join('',<$metafh>);
97: }
98: &metaeval($metastring);
99: return '<br><b>Processed file:</b> <tt>'.$fn.'</tt>';
100: }
101:
102: # ---------------------------- convert 'time' format into a datetime sql format
103: sub sqltime {
104: my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
105: localtime(@_[0]);
106: $mon++; $year+=1900;
107: return "$year-$mon-$mday $hour:$min:$sec";
108: }
109:
110: # --------------------------------------------------------- Various form fields
111:
112: sub textfield {
113: my ($title,$name,$value)=@_;
114: return "\n<p><b>$title:</b><br>".
115: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
116: }
117:
118: sub hiddenfield {
119: my ($name,$value)=@_;
120: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
121: }
122:
123: sub selectbox {
124: my ($title,$name,$value,%options)=@_;
125: my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
126: map {
127: $selout.='<option value="'.$_.'"';
128: if ($_ eq $value) { $selout.=' selected'; }
129: $selout.='>'.$options{$_}.'</option>';
130: } sort keys %options;
131: return $selout.'</select>';
132: }
133:
134: # -------------------------------------------------------- Publication Step One
135:
136: sub makeallowed {
137: }
138:
139: sub urlfixup {
140: return shift;
141: }
142:
143: sub publish {
144:
145: my ($source,$target,$style)=@_;
146: my $logfile;
147: my $scrout='';
148: my $allmeta='';
149: my $content='';
150:
151: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
152: return
153: '<font color=red>No write permission to user directory, FAIL</font>';
154: }
155: print $logfile
156: "\n\n================= Publish ".localtime()." Phase One ================\n";
157:
158: if (($style eq 'ssi') || ($style eq 'rat')) {
159: # ------------------------------------------------------- This needs processing
160:
161: # ----------------------------------------------------------------- Backup Copy
162: my $copyfile=$source.'.save';
163: if (copy($source,$copyfile)) {
164: print $logfile "Copied original file to ".$copyfile."\n";
165: } else {
166: print $logfile "Unable to write backup ".$copyfile.':'.$!."\n";
167: return "<font color=red>Failed to write backup copy, $!,FAIL</font>";
168: }
169: # ------------------------------------------------------------- IDs and indices
170:
171: my $maxindex=10;
172: my $maxid=10;
173:
174: my $needsfixup=0;
175:
176: {
177: my $org=Apache::File->new($source);
178: $content=join('',<$org>);
179: }
180: {
181: my $parser=HTML::TokeParser->new(\$content);
182: my $token;
183: while ($token=$parser->get_token) {
184: if ($token->[0] eq 'S') {
185: my $counter;
186: if ($counter=$addid{$token->[1]}) {
187: if ($counter eq 'id') {
188: if (defined($token->[2]->{'id'})) {
189: $maxid=
190: ($token->[2]->{'id'}>$maxid)?$token->[2]->{'id'}:$maxid;
191: } else {
192: $needsfixup=1;
193: }
194: } else {
195: if (defined($token->[2]->{'index'})) {
196: $maxindex=
197: ($token->[2]->{'index'}>$maxindex)?$token->[2]->{'index'}:$maxindex;
198: } else {
199: $needsfixup=1;
200: }
201: }
202: }
203: }
204: }
205: }
206: if ($needsfixup) {
207: print $logfile "Needs ID and/or index fixup\n".
208: "Max ID : $maxid (min 10)\n".
209: "Max Index: $maxindex (min 10)\n";
210: }
211: my $outstring='';
212: my $parser=HTML::TokeParser->new(\$content);
213: my $token;
214: while ($token=$parser->get_token) {
215: if ($token->[0] eq 'S') {
216: my $counter;
217: my $tag=$token->[1];
218: unless ($tag eq 'allow') {
219: my %parms=%{$token->[2]};
220: if ($counter=$addid{$tag}) {
221: if ($counter eq 'id') {
222: unless (defined($parms{'id'})) {
223: $maxid++;
224: $parms{'id'}=$maxid;
225: print $logfile 'ID: '.$tag.':'.$maxid."\n";
226: }
227: } elsif ($counter eq 'index') {
228: unless (defined($parms{'index'})) {
229: $maxindex++;
230: $parms{'index'}=$maxindex;
231: print $logfile 'Index: '.$tag.':'.$maxindex."\n";
232: }
233: }
234: }
235:
236: map {
237: if (defined($parms{$_})) {
238: my $oldurl=$parms{$_};
239: my $newurl=&urlfixup($oldurl);
240: if ($newurl ne $oldurl) {
241: $parms{$_}=$newurl;
242: print $logfile 'URL: '.$tag.':'.$oldurl.' - '.
243: $newurl."\n";
244: }
245: &makeallowed($newurl);
246: }
247: } ('src','href','codebase');
248:
249: my $newparmstring='';
250: my $endtag='';
251: map {
252: if ($_ eq '/') {
253: $endtag=' /';
254: } else {
255: my $quote=($parms{$_}=~/\"/?"'":'"');
256: $newparmstring.=' '.$_.'='.$quote.$parms{$_}.$quote;
257: }
258: } keys %parms;
259:
260: $outstring.='<'.$tag.$newparmstring.$endtag.'>';
261: }
262: } elsif ($token->[0] eq 'E') {
263: unless ($token->[1] eq 'allow') {
264: $outstring.=$token->[2];
265: }
266: } else {
267: $outstring.=$token->[1];
268: }
269: }
270: {
271: my $org;
272: unless ($org=Apache::File->new('>'.$source)) {
273: print $logfile "No write permit to $source\n";
274: return
275: "<font color=red>No write permission to $source, FAIL</font>";
276: }
277: print $org $outstring;
278: }
279: $content=$outstring;
280:
281: if ($needsfixup) {
282: print $logfile "End of ID and/or index fixup\n".
283: "Max ID : $maxid (min 10)\n".
284: "Max Index: $maxindex (min 10)\n";
285: } else {
286: print $logfile "Does not need ID and/or index fixup\n";
287: }
288:
289: # --------------------------------------------- Initial step done, now metadata
290:
291: # ---------------------------------------- Storage for metadata keys and fields
292:
293: %metadatafields=();
294: %metadatakeys=();
295:
296: my %oldparmstores=();
297:
298: # ------------------------------------------------ First, check out environment
299: unless (-e $source.'.meta') {
300: $metadatafields{'author'}=$ENV{'environment.firstname'}.' '.
301: $ENV{'environment.middlename'}.' '.
302: $ENV{'environment.lastname'}.' '.
303: $ENV{'environment.generation'};
304: $metadatafields{'author'}=~s/\s+/ /g;
305: $metadatafields{'author'}=~s/\s+$//;
306: $metadatafields{'owner'}=$cuname.'@'.$cudom;
307:
308: # ------------------------------------------------ Check out directory hierachy
309:
310: my $thisdisfn=$source;
311: $thisdisfn=~s/^\/home\/$cuname\///;
312:
313: my @urlparts=split(/\//,$thisdisfn);
314: $#urlparts--;
315:
316: my $currentpath='/home/'.$cuname.'/';
317:
318: map {
319: $currentpath.=$_.'/';
320: $scrout.=&metaread($logfile,$currentpath.'default.meta');
321: } @urlparts;
322:
323: # ------------------- Clear out parameters and stores (there should not be any)
324:
325: map {
326: if (($_=~/^parameter/) || ($_=~/^stores/)) {
327: delete $metadatafields{$_};
328: }
329: } keys %metadatafields;
330:
331: } else {
332: # ---------------------- Read previous metafile, remember parameters and stores
333:
334: $scrout.=&metaread($logfile,$source.'.meta');
335:
336: map {
337: if (($_=~/^parameter/) || ($_=~/^stores/)) {
338: $oldparmstores{$_}=1;
339: delete $metadatafields{$_};
340: }
341: } keys %metadatafields;
342:
343: }
344:
345: # -------------------------------------------------- Parse content for metadata
346:
347: $allmeta=Apache::lonxml::xmlparse('meta',$content);
348:
349: &metaeval($allmeta);
350:
351: # ---------------- Find and document discrepancies in the parameters and stores
352:
353: my $chparms='';
354: map {
355: if (($_=~/^parameter/) || ($_=~/^stores/)) {
356: unless ($_=~/\.\w+$/) {
357: unless ($oldparmstores{$_}) {
358: print $logfile 'New: '.$_."\n";
359: $chparms.=$_.' ';
360: }
361: }
362: }
363: } sort keys %metadatafields;
364: if ($chparms) {
365: $scrout.='<p><b>New parameters or stored values:</b> '.
366: $chparms;
367: }
368:
369: my $chparms='';
370: map {
371: if (($_=~/^parameter/) || ($_=~/^stores/)) {
372: unless (($metadatafields{$_.'.name'}) ||
373: ($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) {
374: print $logfile 'Obsolete: '.$_."\n";
375: $chparms.=$_.' ';
376: }
377: }
378: } sort keys %oldparmstores;
379: if ($chparms) {
380: $scrout.='<p><b>Obsolete parameters or stored values:</b> '.
381: $chparms;
382: }
383: }
384: # ------------------------------------------------------- Now have all metadata
385:
386: $scrout.=
387: '<form action="/adm/publish" method="post">'.
388: &hiddenfield('phase','two').
389: &hiddenfield('filename',$ENV{'form.filename'}).
390: &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
391: &textfield('Title','title',$metadatafields{'title'}).
392: &textfield('Author(s)','author',$metadatafields{'author'}).
393: &textfield('Subject','subject',$metadatafields{'subject'});
394:
395: # --------------------------------------------------- Scan content for keywords
396:
397: my $keywordout='<p><b>Keywords:</b><br><table border=2><tr>';
398: my $colcount=0;
399:
400: {
401: my $textonly=$content;
402: $textonly=~s/\<script[^\<]+\<\/script\>//g;
403: $textonly=~s/\<m\>[^\<]+\<\/m\>//g;
404: $textonly=~s/\<[^\>]*\>//g;
405: $textonly=~tr/A-Z/a-z/;
406: $textonly=~s/[\$\&][a-z]\w*//g;
407: $textonly=~s/[^a-z\s]//g;
408:
409: my %keywords=();
410: map {
411: unless ($nokey{$_}) {
412: $keywords{$_}=1;
413: }
414: } ($textonly=~m/(\w+)/g);
415:
416: map {
417: $keywords{$_}=1;
418: } split(/\W+/,$metadatafields{'keywords'});
419:
420: map {
421: $keywordout.='<td><input type=checkbox name="key.'.$_.'"';
422: if ($metadatafields{'keywords'}=~/$_/) {
423: $keywordout.=' checked';
424: }
425: $keywordout.='>'.$_.'</td>';
426: if ($colcount>10) {
427: $keywordout.="</tr><tr>\n";
428: $colcount=0;
429: }
430: $colcount++;
431: } sort keys %keywords;
432: $keywordout.='</tr></table>';
433:
434: }
435:
436: $scrout.=$keywordout;
437:
438: $scrout.=&textfield('Additional Keywords','addkey','');
439:
440: $scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
441:
442: $scrout.=
443: '<p><b>Abstract:</b><br><textarea cols=80 rows=5 name=abstract>'.
444: $metadatafields{'abstract'}.'</textarea>';
445:
446: $source=~/\.(\w+)$/;
447:
448: $scrout.=&hiddenfield('mime',$1);
449:
450: $scrout.=&selectbox('Language','language',
451: $metadatafields{'language'},%language);
452:
453: unless ($metadatafields{'creationdate'}) {
454: $metadatafields{'creationdate'}=time;
455: }
456: $scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'});
457:
458: $scrout.=&hiddenfield('lastrevisiondate',time);
459:
460:
461: $scrout.=&textfield('Publisher/Owner','owner',
462: $metadatafields{'owner'});
463:
464: $scrout.=&selectbox('Copyright/Distribution','copyright',
465: $metadatafields{'copyright'},%cprtag);
466:
467: return $scrout.
468: '<p><input type="submit" value="Finalize Publication"></form>';
469: }
470:
471: # -------------------------------------------------------- Publication Step Two
472:
473: sub phasetwo {
474:
475: my ($source,$target,$style,$distarget)=@_;
476: my $logfile;
477: my $scrout='';
478:
479: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
480: return
481: '<font color=red>No write permission to user directory, FAIL</font>';
482: }
483: print $logfile
484: "\n================= Publish ".localtime()." Phase Two ================\n";
485:
486: %metadatafields=();
487: %metadatakeys=();
488:
489: &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
490:
491: $metadatafields{'title'}=$ENV{'form.title'};
492: $metadatafields{'author'}=$ENV{'form.author'};
493: $metadatafields{'subject'}=$ENV{'form.subject'};
494: $metadatafields{'notes'}=$ENV{'form.notes'};
495: $metadatafields{'abstract'}=$ENV{'form.abstract'};
496: $metadatafields{'mime'}=$ENV{'form.mime'};
497: $metadatafields{'language'}=$ENV{'form.language'};
498: $metadatafields{'creationdate'}=$ENV{'form.creationdate'};
499: $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'};
500: $metadatafields{'owner'}=$ENV{'form.owner'};
501: $metadatafields{'copyright'}=$ENV{'form.copyright'};
502:
503: my $allkeywords=$ENV{'form.addkey'};
504: map {
505: if ($_=~/^form\.key\.(\w+)/) {
506: $allkeywords.=','.$1;
507: }
508: } keys %ENV;
509: $allkeywords=~s/\W+/\,/;
510: $allkeywords=~s/^\,//;
511: $metadatafields{'keywords'}=$allkeywords;
512:
513: {
514: print $logfile "\nWrite metadata file for ".$source;
515: my $mfh;
516: unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
517: return
518: '<font color=red>Could not write metadata, FAIL</font>';
519: }
520: map {
521: unless ($_=~/\./) {
522: my $unikey=$_;
523: $unikey=~/^([A-Za-z]+)/;
524: my $tag=$1;
525: $tag=~tr/A-Z/a-z/;
526: print $mfh "\n\<$tag";
527: map {
528: my $value=$metadatafields{$unikey.'.'.$_};
529: $value=~s/\"/\'\'/g;
530: print $mfh ' '.$_.'="'.$value.'"';
531: } split(/\,/,$metadatakeys{$unikey});
532: print $mfh '>'.$metadatafields{$unikey}.'</'.$tag.'>';
533: }
534: } sort keys %metadatafields;
535: $scrout.='<p>Wrote Metadata';
536: print $logfile "\nWrote metadata";
537: }
538:
539: # -------------------------------- Synchronize entry with SQL metadata database
540: my %perlvar;
541: open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf";
542: my $configline;
543: while ($configline=<CONFIG>) {
544: if ($configline =~ /PerlSetVar/) {
545: my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);
546: chomp($varvalue);
547: $perlvar{$varname}=$varvalue;
548: }
549: }
550: close(CONFIG);
551:
552: my $warning;
553: my $dbh;
554: {
555: unless (
556: $dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
557: ) {
558: $warning='<font color=red>WARNING: Cannot connect to '.
559: 'database!</font>';
560: }
561: else {
562: my %sqldatafields;
563: $sqldatafields{'url'}=$distarget;
564: my $sth=$dbh->prepare(
565: 'delete from metadata where url like binary'.
566: '"'.$sqldatafields{'url'}.'"');
567: $sth->execute();
568: map {my $field=$metadatafields{$_}; $field=~s/\"/\'\'/g;
569: $sqldatafields{$_}=$field;}
570: ('title','author','subject','keywords','notes','abstract',
571: 'mime','language','creationdate','lastrevisiondate','owner',
572: 'copyright');
573:
574: $sth=$dbh->prepare('insert into metadata values ('.
575: '"'.delete($sqldatafields{'title'}).'"'.','.
576: '"'.delete($sqldatafields{'author'}).'"'.','.
577: '"'.delete($sqldatafields{'subject'}).'"'.','.
578: '"'.delete($sqldatafields{'url'}).'"'.','.
579: '"'.delete($sqldatafields{'keywords'}).'"'.','.
580: '"'.'current'.'"'.','.
581: '"'.delete($sqldatafields{'notes'}).'"'.','.
582: '"'.delete($sqldatafields{'abstract'}).'"'.','.
583: '"'.delete($sqldatafields{'mime'}).'"'.','.
584: '"'.delete($sqldatafields{'language'}).'"'.','.
585: '"'.
586: sqltime(delete($sqldatafields{'creationdate'}))
587: .'"'.','.
588: '"'.
589: sqltime(delete(
590: $sqldatafields{'lastrevisiondate'})).'"'.','.
591: '"'.delete($sqldatafields{'owner'}).'"'.','.
592: '"'.delete(
593: $sqldatafields{'copyright'}).'"'.')');
594: $sth->execute();
595: $dbh->disconnect;
596: $scrout.='<p>Synchronized SQL metadata database';
597: print $logfile "\nSynchronized SQL metadata database";
598: }
599: }
600:
601:
602: # ----------------------------------------------------------- Copy old versions
603:
604: if (-e $target) {
605: my $filename;
606: my $maxversion=0;
607: $target=~/(.*)\/([^\/]+)\.(\w+)$/;
608: my $srcf=$2;
609: my $srct=$3;
610: my $srcd=$1;
611: unless ($srcd=~/^\/home\/httpd\/html\/res/) {
612: print $logfile "\nPANIC: Target dir is ".$srcd;
613: return "<font color=red>Invalid target directory, FAIL</font>";
614: }
615: opendir(DIR,$srcd);
616: while ($filename=readdir(DIR)) {
617: if ($filename=~/$srcf\.(\d+)\.$srct$/) {
618: $maxversion=($1>$maxversion)?$1:$maxversion;
619: }
620: }
621: closedir(DIR);
622: $maxversion++;
623: $scrout.='<p>Creating old version '.$maxversion;
624: print $logfile "\nCreating old version ".$maxversion;
625:
626: my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
627:
628: if (copy($target,$copyfile)) {
629: print $logfile "Copied old target to ".$copyfile."\n";
630: $scrout.='<p>Copied old target file';
631: } else {
632: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
633: return "<font color=red>Failed to copy old target, $!, FAIL</font>";
634: }
635:
636: # --------------------------------------------------------------- Copy Metadata
637:
638: $copyfile=$copyfile.'.meta';
639:
640: if (copy($target.'.meta',$copyfile)) {
641: print $logfile "Copied old target metadata to ".$copyfile."\n";
642: $scrout.='<p>Copied old metadata';
643: } else {
644: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
645: if (-e $target.'.meta') {
646: return
647: "<font color=red>Failed to write old metadata copy, $!, FAIL</font>";
648: }
649: }
650:
651:
652: } else {
653: $scrout.='<p>Initial version';
654: print $logfile "\nInitial version";
655: }
656:
657: # ---------------------------------------------------------------- Write Source
658: my $copyfile=$target;
659:
660: my @parts=split(/\//,$copyfile);
661: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
662:
663: my $count;
664: for ($count=5;$count<$#parts;$count++) {
665: $path.="/$parts[$count]";
666: if ((-e $path)!=1) {
667: print $logfile "\nCreating directory ".$path;
668: $scrout.='<p>Created directory '.$parts[$count];
669: mkdir($path,0777);
670: }
671: }
672:
673: if (copy($source,$copyfile)) {
674: print $logfile "Copied original source to ".$copyfile."\n";
675: $scrout.='<p>Copied source file';
676: } else {
677: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
678: return "<font color=red>Failed to copy source, $!, FAIL</font>";
679: }
680:
681: # --------------------------------------------------------------- Copy Metadata
682:
683: $copyfile=$copyfile.'.meta';
684:
685: if (copy($source.'.meta',$copyfile)) {
686: print $logfile "Copied original metadata to ".$copyfile."\n";
687: $scrout.='<p>Copied metadata';
688: } else {
689: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
690: return
691: "<font color=red>Failed to write metadata copy, $!, FAIL</font>";
692: }
693:
694: # --------------------------------------------------- Send update notifications
695:
696: {
697:
698: my $filename;
699:
700: $target=~/(.*)\/([^\/]+)$/;
701: my $srcf=$2;
702: opendir(DIR,$1);
703: while ($filename=readdir(DIR)) {
704: if ($filename=~/$srcf\.(\w+)$/) {
705: my $subhost=$1;
706: if ($subhost ne 'meta') {
707: $scrout.='<p>Notifying host '.$subhost.':';
708: print $logfile "\nNotifying host '.$subhost.':'";
709: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
710: $scrout.=$reply;
711: print $logfile $reply;
712: }
713: }
714: }
715: closedir(DIR);
716:
717: }
718:
719: # ---------------------------------------- Send update notifications, meta only
720:
721: {
722:
723: my $filename;
724:
725: $target=~/(.*)\/([^\/]+)$/;
726: my $srcf=$2.'.meta';
727: opendir(DIR,$1);
728: while ($filename=readdir(DIR)) {
729: if ($filename=~/$srcf\.(\w+)$/) {
730: my $subhost=$1;
731: if ($subhost ne 'meta') {
732: $scrout.=
733: '<p>Notifying host for metadata only '.$subhost.':';
734: print $logfile
735: "\nNotifying host for metadata only '.$subhost.':'";
736: my $reply=&Apache::lonnet::critical(
737: 'update:'.$target.'.meta',$subhost);
738: $scrout.=$reply;
739: print $logfile $reply;
740: }
741: }
742: }
743: closedir(DIR);
744:
745: }
746:
747: # ------------------------------------------------ Provide link to new resource
748:
749: my $thisdistarget=$target;
750: $thisdistarget=~s/^$docroot//;
751:
752: my $thissrc=$source;
753: $thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/;
754:
755: my $thissrcdir=$thissrc;
756: $thissrcdir=~s/\/[^\/]+$/\//;
757:
758:
759: return $warning.$scrout.
760: '<hr><a href="'.$thisdistarget.'"><font size=+2>View Target</font></a>'.
761: '<p><a href="'.$thissrc.'"><font size=+2>Back to Source</font></a>'.
762: '<p><a href="'.$thissrcdir.
763: '"><font size=+2>Back to Source Directory</font></a>';
764:
765: }
766:
767: # ================================================================ Main Handler
768:
769: sub handler {
770: my $r=shift;
771:
772: if ($r->header_only) {
773: $r->content_type('text/html');
774: $r->send_http_header;
775: return OK;
776: }
777:
778: # -------------------------------------------------------------- Check filename
779:
780: my $fn=$ENV{'form.filename'};
781:
782:
783: unless ($fn) {
784: $r->log_reason($cuname.' at '.$cudom.
785: ' trying to publish empty filename', $r->filename);
786: return HTTP_NOT_FOUND;
787: }
788:
789: ($cuname,$cudom)=
790: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
791: unless (($cuname) && ($cudom)) {
792: $r->log_reason($cuname.' at '.$cudom.
793: ' trying to publish file '.$ENV{'form.filename'}.
794: ' ('.$fn.') - not authorized',
795: $r->filename);
796: return HTTP_NOT_ACCEPTABLE;
797: }
798:
799: unless (&Apache::lonnet::homeserver($cuname,$cudom)
800: eq $r->dir_config('lonHostID')) {
801: $r->log_reason($cuname.' at '.$cudom.
802: ' trying to publish file '.$ENV{'form.filename'}.
803: ' ('.$fn.') - not homeserver ('.
804: &Apache::lonnet::homeserver($cuname,$cudom).')',
805: $r->filename);
806: return HTTP_NOT_ACCEPTABLE;
807: }
808:
809: $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;
810:
811: my $targetdir='';
812: $docroot=$r->dir_config('lonDocRoot');
813: if ($1 ne $cuname) {
814: $r->log_reason($cuname.' at '.$cudom.
815: ' trying to publish unowned file '.$ENV{'form.filename'}.
816: ' ('.$fn.')',
817: $r->filename);
818: return HTTP_NOT_ACCEPTABLE;
819: } else {
820: $targetdir=$docroot.'/res/'.$cudom;
821: }
822:
823:
824: unless (-e $fn) {
825: $r->log_reason($cuname.' at '.$cudom.
826: ' trying to publish non-existing file '.$ENV{'form.filename'}.
827: ' ('.$fn.')',
828: $r->filename);
829: return HTTP_NOT_FOUND;
830: }
831:
832: unless ($ENV{'form.phase'} eq 'two') {
833:
834: # --------------------------------- File is there and owned, init lookup tables
835:
836: %addid=();
837:
838: {
839: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
840: while (<$fh>=~/(\w+)\s+(\w+)/) {
841: $addid{$1}=$2;
842: }
843: }
844:
845: %nokey=();
846:
847: {
848: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
849: map {
850: my $word=$_;
851: chomp($word);
852: $nokey{$word}=1;
853: } <$fh>;
854: }
855:
856: %language=();
857:
858: {
859: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/language.tab');
860: map {
861: $_=~/(\w+)\s+([\w\s\-]+)/;
862: $language{$1}=$2;
863: } <$fh>;
864: }
865:
866: %cprtag=();
867:
868: {
869: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/copyright.tab');
870: map {
871: $_=~/(\w+)\s+([\w\s\-]+)/;
872: $cprtag{$1}=$2;
873: } <$fh>;
874: }
875:
876: }
877:
878: # ----------------------------------------------------------- Start page output
879:
880: $r->content_type('text/html');
881: $r->send_http_header;
882:
883: $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
884: $r->print(
885: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
886: my $thisfn=$fn;
887:
888: # ------------------------------------------------------------- Individual file
889: {
890: $thisfn=~/\.(\w+)$/;
891: my $thistype=$1;
892: my $thisembstyle=&Apache::lonnet::fileembstyle($thistype);
893:
894: my $thistarget=$thisfn;
895:
896: $thistarget=~s/^\/home/$targetdir/;
897: $thistarget=~s/\/public\_html//;
898:
899: my $thisdistarget=$thistarget;
900: $thisdistarget=~s/^$docroot//;
901:
902: my $thisdisfn=$thisfn;
903: $thisdisfn=~s/^\/home\/$cuname\/public_html\///;
904:
905: $r->print('<h2>Publishing '.
906: &Apache::lonnet::filedescription($thistype).' <tt>'.
907: $thisdisfn.'</tt></h2><b>Target:</b> <tt>'.$thisdistarget.'</tt><p>');
908:
909: if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
910: $r->print('<h3><font color=red>Co-Author: '.$cuname.' at '.$cudom.
911: '</font></h3>');
912: }
913:
914: if (&Apache::lonnet::fileembstyle($thistype) eq 'ssi') {
915: $r->print('<br><a href="/adm/diff?filename=/~'.$cuname.'/'.
916: $thisdisfn.
917: '&versionone=priv" target=cat>Diffs with Current Version</a><p>');
918: }
919:
920: # ------------ We are publishing from $thisfn to $thistarget with $thisembstyle
921:
922: unless ($ENV{'form.phase'} eq 'two') {
923: $r->print(
924: '<hr>'.&publish($thisfn,$thistarget,$thisembstyle));
925: } else {
926: $r->print(
927: '<hr>'.&phasetwo($thisfn,$thistarget,$thisembstyle,$thisdistarget));
928: }
929:
930: }
931: $r->print('</body></html>');
932:
933: return OK;
934: }
935:
936: 1;
937: __END__
938:
939:
940:
941:
942:
943:
944:
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