1: # The LearningOnline Network with CAPA
2: # Publication Handler
3: #
4: # $Id: lonpublisher.pm,v 1.97 2002/09/18 15:43:06 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: # 12/05 Guy Albertelli
43: # 12/06,12/07 Gerd Kortemeyer
44: # 12/15,12/16 Scott Harrison
45: # 12/25 Gerd Kortemeyer
46: # YEAR=2002
47: # 1/16,1/17 Scott Harrison
48: # 1/17 Gerd Kortemeyer
49: #
50: ###
51:
52: ###############################################################################
53: ## ##
54: ## ORGANIZATION OF THIS PERL MODULE ##
55: ## ##
56: ## 1. Modules used by this module ##
57: ## 2. Various subroutines ##
58: ## 3. Publication Step One ##
59: ## 4. Phase Two ##
60: ## 5. Main Handler ##
61: ## ##
62: ###############################################################################
63:
64:
65: ######################################################################
66: ######################################################################
67:
68: =pod
69:
70: =head1 NAME
71:
72: lonpublisher - LON-CAPA publishing handler
73:
74: =head1 SYNOPSIS
75:
76: B<lonpublisher> is used by B<mod_perl> inside B<Apache>. This is the
77: invocation by F<loncapa_apache.conf>:
78:
79: <Location /adm/publish>
80: PerlAccessHandler Apache::lonacc
81: SetHandler perl-script
82: PerlHandler Apache::lonpublisher
83: ErrorDocument 403 /adm/login
84: ErrorDocument 404 /adm/notfound.html
85: ErrorDocument 406 /adm/unauthorized.html
86: ErrorDocument 500 /adm/errorhandler
87: </Location>
88:
89: =head1 DESCRIPTION
90:
91: B<lonpublisher> takes the proper steps to add resources to the LON-CAPA
92: digital library. This includes updating the metadata table in the
93: LON-CAPA database.
94:
95: B<lonpublisher> is many things to many people.
96:
97: This module publishes a file. This involves gathering metadata,
98: versioning the file, copying file from construction space to
99: publication space, and copying metadata from construction space
100: to publication space.
101:
102: =head2 SUBROUTINES
103:
104: Many of the undocumented subroutines implement various magical
105: parsing shortcuts.
106:
107: =over 4
108:
109: =cut
110:
111: ######################################################################
112: ######################################################################
113:
114:
115: package Apache::lonpublisher;
116:
117: # ------------------------------------------------- modules used by this module
118: use strict;
119: use Apache::File;
120: use File::Copy;
121: use Apache::Constants qw(:common :http :methods);
122: use HTML::LCParser;
123: use Apache::lonxml;
124: use Apache::lonhomework;
125: use Apache::loncacc;
126: use DBI;
127: use Apache::lonnet();
128: use Apache::loncommon();
129: use Apache::lonmysql;
130:
131: my %addid;
132: my %nokey;
133:
134: my %metadatafields;
135: my %metadatakeys;
136:
137: my $docroot;
138:
139: my $cuname;
140: my $cudom;
141:
142: #########################################
143: #########################################
144:
145: =pod
146:
147: =item B<metaeval>
148:
149: Evaluates a string that contains metadata. This subroutine
150: stores values inside I<%metadatafields> and I<%metadatakeys>.
151: The hash key is a I<$unikey> corresponding to a unique id
152: that is descriptive of the parser location inside the XML tree.
153:
154: Parameters:
155:
156: =over 4
157:
158: =item I<$metastring>
159:
160: A string that contains metadata.
161:
162: =back
163:
164: Returns:
165:
166: nothing
167:
168: =cut
169:
170: #########################################
171: #########################################
172: sub metaeval {
173: my $metastring=shift;
174:
175: my $parser=HTML::LCParser->new(\$metastring);
176: my $token;
177: while ($token=$parser->get_token) {
178: if ($token->[0] eq 'S') {
179: my $entry=$token->[1];
180: my $unikey=$entry;
181: if (defined($token->[2]->{'package'})) {
182: $unikey.='_package_'.$token->[2]->{'package'};
183: }
184: if (defined($token->[2]->{'part'})) {
185: $unikey.='_'.$token->[2]->{'part'};
186: }
187: if (defined($token->[2]->{'id'})) {
188: $unikey.='_'.$token->[2]->{'id'};
189: }
190: if (defined($token->[2]->{'name'})) {
191: $unikey.='_'.$token->[2]->{'name'};
192: }
193: foreach (@{$token->[3]}) {
194: $metadatafields{$unikey.'.'.$_}=$token->[2]->{$_};
195: if ($metadatakeys{$unikey}) {
196: $metadatakeys{$unikey}.=','.$_;
197: } else {
198: $metadatakeys{$unikey}=$_;
199: }
200: }
201: if ($metadatafields{$unikey}) {
202: my $newentry=$parser->get_text('/'.$entry);
203: unless (($metadatafields{$unikey}=~/$newentry/) ||
204: ($newentry eq '')) {
205: $metadatafields{$unikey}.=', '.$newentry;
206: }
207: } else {
208: $metadatafields{$unikey}=$parser->get_text('/'.$entry);
209: }
210: }
211: }
212: }
213:
214: #########################################
215: #########################################
216:
217: =pod
218:
219: =item B<metaread>
220:
221: Read a metadata file
222:
223: Parameters:
224:
225: =over
226:
227: =item I<$logfile>
228:
229: File output stream to output errors and warnings to.
230:
231: =item I<$fn>
232:
233: File name (including path).
234:
235: =back
236:
237: Returns:
238:
239: =over 4
240:
241: =item Scalar string (if successful)
242:
243: XHTML text that indicates successful reading of the metadata.
244:
245: =back
246:
247: =cut
248:
249: #########################################
250: #########################################
251: sub metaread {
252: my ($logfile,$fn)=@_;
253: unless (-e $fn) {
254: print($logfile 'No file '.$fn."\n");
255: return '<br><b>No file:</b> <tt>'.$fn.'</tt>';
256: }
257: print($logfile 'Processing '.$fn."\n");
258: my $metastring;
259: {
260: my $metafh=Apache::File->new($fn);
261: $metastring=join('',<$metafh>);
262: }
263: &metaeval($metastring);
264: return '<br><b>Processed file:</b> <tt>'.$fn.'</tt>';
265: }
266:
267: #########################################
268: #########################################
269:
270: =pod
271:
272: =item B<sqltime>
273:
274: Convert 'time' format into a datetime sql format
275:
276: Parameters:
277:
278: =over 4
279:
280: =item I<$timef>
281:
282: Seconds since 00:00:00 UTC, January 1, 1970.
283:
284: =back
285:
286: Returns:
287:
288: =over 4
289:
290: =item Scalar string
291:
292: MySQL-compatible datetime string.
293:
294: =back
295:
296: =cut
297:
298: #########################################
299: #########################################
300: sub sqltime {
301: my $timef=shift @_;
302: my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
303: localtime($timef);
304: $mon++; $year+=1900;
305: return "$year-$mon-$mday $hour:$min:$sec";
306: }
307:
308:
309: #########################################
310: #########################################
311:
312: =pod
313:
314: =item Form-field-generating subroutines.
315:
316: For input parameters, these subroutines take in values
317: such as I<$name>, I<$value> and other form field metadata.
318: The output (scalar string that is returned) is an XHTML
319: string which presents the form field (foreseeably inside
320: <form></form> tags).
321:
322: =over 4
323:
324: =item B<textfield>
325:
326: =item B<hiddenfield>
327:
328: =item B<selectbox>
329:
330: =back
331:
332: =cut
333:
334: #########################################
335: #########################################
336: sub textfield {
337: my ($title,$name,$value)=@_;
338: return "\n<p><b>$title:</b><br>".
339: '<input type="text" name="'.$name.'" size=80 value="'.$value.'" />';
340: }
341:
342: sub hiddenfield {
343: my ($name,$value)=@_;
344: return "\n".'<input type="hidden" name="'.$name.'" value="'.$value.'" />';
345: }
346:
347: sub selectbox {
348: my ($title,$name,$value,$functionref,@idlist)=@_;
349: my $uctitle=uc($title);
350: my $selout="\n<p><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:".
351: "</b></font><br />".'<select name="'.$name.'">';
352: foreach (@idlist) {
353: $selout.='<option value=\''.$_.'\'';
354: if ($_ eq $value) {
355: $selout.=' selected>'.&{$functionref}($_).'</option>';
356: }
357: else {$selout.='>'.&{$functionref}($_).'</option>';}
358: }
359: return $selout.'</select>';
360: }
361:
362: #########################################
363: #########################################
364:
365: =pod
366:
367: =item B<urlfixup>
368:
369: Fix up a url? First step of publication
370:
371: =cut
372:
373: #########################################
374: #########################################
375: sub urlfixup {
376: my ($url,$target)=@_;
377: unless ($url) { return ''; }
378: #javascript code needs no fixing
379: if ($url =~ /^javascript:/i) { return $url; }
380: if ($url =~ /^mailto:/i) { return $url; }
381: #internal document links need no fixing
382: if ($url =~ /^\#/) { return $url; }
383: my ($host)=($url=~/(?:http\:\/\/)*([^\/]+)/);
384: foreach (values %Apache::lonnet::hostname) {
385: if ($_ eq $host) {
386: $url=~s/^http\:\/\///;
387: $url=~s/^$host//;
388: }
389: }
390: if ($url=~/^http\:\/\//) { return $url; }
391: $url=~s/\~$cuname/res\/$cudom\/$cuname/;
392: return $url;
393: }
394:
395: #########################################
396: #########################################
397:
398: =pod
399:
400: =item B<absoluteurl>
401:
402: Currently undocumented.
403:
404: =cut
405:
406: #########################################
407: #########################################
408: sub absoluteurl {
409: my ($url,$target)=@_;
410: unless ($url) { return ''; }
411: if ($target) {
412: $target=~s/\/[^\/]+$//;
413: $url=&Apache::lonnet::hreflocation($target,$url);
414: }
415: return $url;
416: }
417:
418: #########################################
419: #########################################
420:
421: =pod
422:
423: =item B<set_allow>
424:
425: Currently undocumented
426:
427: =cut
428:
429: #########################################
430: #########################################
431: sub set_allow {
432: my ($allow,$logfile,$target,$tag,$oldurl)=@_;
433: my $newurl=&urlfixup($oldurl,$target);
434: my $return_url=$oldurl;
435: print $logfile 'GUYURL: '.$tag.':'.$oldurl.' - '.$newurl."\n";
436: if ($newurl ne $oldurl) {
437: $return_url=$newurl;
438: print $logfile 'URL: '.$tag.':'.$oldurl.' - '.$newurl."\n";
439: }
440: if (($newurl !~ /^javascript:/i) &&
441: ($newurl !~ /^mailto:/i) &&
442: ($newurl !~ /^http:/i) &&
443: ($newurl !~ /^\#/)) {
444: $$allow{&absoluteurl($newurl,$target)}=1;
445: }
446: return $return_url
447: }
448:
449: #########################################
450: #########################################
451:
452: =pod
453:
454: =item B<get_subscribed_hosts>
455:
456: Currently undocumented
457:
458: =cut
459:
460: #########################################
461: #########################################
462: sub get_subscribed_hosts {
463: my ($target)=@_;
464: my @subscribed;
465: my $filename;
466: $target=~/(.*)\/([^\/]+)$/;
467: my $srcf=$2;
468: opendir(DIR,$1);
469: while ($filename=readdir(DIR)) {
470: if ($filename=~/$srcf\.(\w+)$/) {
471: my $subhost=$1;
472: if ($subhost ne 'meta' && $subhost ne 'subscription') {
473: push(@subscribed,$subhost);
474: }
475: }
476: }
477: closedir(DIR);
478: my $sh;
479: if ( $sh=Apache::File->new("$target.subscription") ) {
480: &Apache::lonnet::logthis("opened $target.subscription");
481: while (my $subline=<$sh>) {
482: &Apache::lonnet::logthis("Trying $subline");
483: if ($subline =~ /(^\w+):/) { push(@subscribed,$1); } else {
484: &Apache::lonnet::logthis("No Match for $subline");
485: }
486: }
487: } else {
488: &Apache::lonnet::logthis("Unable to open $target.subscription");
489: }
490: &Apache::lonnet::logthis("Got list of ".join(':',@subscribed));
491: return @subscribed;
492: }
493:
494:
495: #########################################
496: #########################################
497:
498: =pod
499:
500: =item B<get_max_ids_indices>
501:
502: Currently undocumented
503:
504: =cut
505:
506: #########################################
507: #########################################
508: sub get_max_ids_indices {
509: my ($content)=@_;
510: my $maxindex=10;
511: my $maxid=10;
512: my $needsfixup=0;
513:
514: my $parser=HTML::LCParser->new($content);
515: my $token;
516: while ($token=$parser->get_token) {
517: if ($token->[0] eq 'S') {
518: my $counter;
519: if ($counter=$addid{$token->[1]}) {
520: if ($counter eq 'id') {
521: if (defined($token->[2]->{'id'})) {
522: $maxid=($token->[2]->{'id'}>$maxid)?$token->[2]->{'id'}:$maxid;
523: } else {
524: $needsfixup=1;
525: }
526: } else {
527: if (defined($token->[2]->{'index'})) {
528: $maxindex=($token->[2]->{'index'}>$maxindex)?$token->[2]->{'index'}:$maxindex;
529: } else {
530: $needsfixup=1;
531: }
532: }
533: }
534: }
535: }
536: return ($needsfixup,$maxid,$maxindex);
537: }
538:
539: #########################################
540: #########################################
541:
542: =pod
543:
544: =item B<get_all_text_unbalanced>
545:
546: Currently undocumented
547:
548: =cut
549:
550: #########################################
551: #########################################
552: sub get_all_text_unbalanced {
553: #there is a copy of this in lonxml.pm
554: my($tag,$pars)= @_;
555: my $token;
556: my $result='';
557: $tag='<'.$tag.'>';
558: while ($token = $$pars[-1]->get_token) {
559: if (($token->[0] eq 'T')||($token->[0] eq 'C')||($token->[0] eq 'D')) {
560: $result.=$token->[1];
561: } elsif ($token->[0] eq 'PI') {
562: $result.=$token->[2];
563: } elsif ($token->[0] eq 'S') {
564: $result.=$token->[4];
565: } elsif ($token->[0] eq 'E') {
566: $result.=$token->[2];
567: }
568: if ($result =~ /(.*)$tag(.*)/) {
569: #&Apache::lonnet::logthis('Got a winner with leftovers ::'.$2);
570: #&Apache::lonnet::logthis('Result is :'.$1);
571: $result=$1;
572: my $redo=$tag.$2;
573: push (@$pars,HTML::LCParser->new(\$redo));
574: $$pars[-1]->xml_mode('1');
575: last;
576: }
577: }
578: return $result
579: }
580:
581: #########################################
582: #########################################
583:
584: =pod
585:
586: =item B<fix_ids_and_indices>
587:
588: Currently undocumented
589:
590: =cut
591:
592: #########################################
593: #########################################
594: #Arguably this should all be done as a lonnet::ssi instead
595: sub fix_ids_and_indices {
596: my ($logfile,$source,$target)=@_;
597:
598: my %allow;
599: my $content;
600: {
601: my $org=Apache::File->new($source);
602: $content=join('',<$org>);
603: }
604:
605: my ($needsfixup,$maxid,$maxindex)=&get_max_ids_indices(\$content);
606:
607: if ($needsfixup) {
608: print $logfile "Needs ID and/or index fixup\n".
609: "Max ID : $maxid (min 10)\n".
610: "Max Index: $maxindex (min 10)\n";
611: }
612: my $outstring='';
613: my @parser;
614: $parser[0]=HTML::LCParser->new(\$content);
615: $parser[-1]->xml_mode(1);
616: my $token;
617: while (@parser) {
618: while ($token=$parser[-1]->get_token) {
619: if ($token->[0] eq 'S') {
620: my $counter;
621: my $tag=$token->[1];
622: my $lctag=lc($tag);
623: if ($lctag eq 'allow') {
624: $allow{$token->[2]->{'src'}}=1;
625: next;
626: }
627: my %parms=%{$token->[2]};
628: $counter=$addid{$tag};
629: if (!$counter) { $counter=$addid{$lctag}; }
630: if ($counter) {
631: if ($counter eq 'id') {
632: unless (defined($parms{'id'})) {
633: $maxid++;
634: $parms{'id'}=$maxid;
635: print $logfile 'ID: '.$tag.':'.$maxid."\n";
636: }
637: } elsif ($counter eq 'index') {
638: unless (defined($parms{'index'})) {
639: $maxindex++;
640: $parms{'index'}=$maxindex;
641: print $logfile 'Index: '.$tag.':'.$maxindex."\n";
642: }
643: }
644: }
645: foreach my $type ('src','href','background','bgimg') {
646: foreach my $key (keys(%parms)) {
647: if ($key =~ /^$type$/i) {
648: $parms{$key}=&set_allow(\%allow,$logfile,
649: $target,$tag,
650: $parms{$key});
651: }
652: }
653: }
654: # probably a <randomlabel> image type <label>
655: if ($lctag eq 'label' && defined($parms{'description'})) {
656: my $next_token=$parser[-1]->get_token();
657: if ($next_token->[0] eq 'T') {
658: $next_token->[1]=&set_allow(\%allow,$logfile,
659: $target,$tag,
660: $next_token->[1]);
661: }
662: $parser[-1]->unget_token($next_token);
663: }
664: if ($lctag eq 'applet') {
665: my $codebase='';
666: if (defined($parms{'codebase'})) {
667: my $oldcodebase=$parms{'codebase'};
668: unless ($oldcodebase=~/\/$/) {
669: $oldcodebase.='/';
670: }
671: $codebase=&urlfixup($oldcodebase,$target);
672: $codebase=~s/\/$//;
673: if ($codebase ne $oldcodebase) {
674: $parms{'codebase'}=$codebase;
675: print $logfile 'URL codebase: '.$tag.':'.
676: $oldcodebase.' - '.
677: $codebase."\n";
678: }
679: $allow{&absoluteurl($codebase,$target).'/*'}=1;
680: } else {
681: foreach ('archive','code','object') {
682: if (defined($parms{$_})) {
683: my $oldurl=$parms{$_};
684: my $newurl=&urlfixup($oldurl,$target);
685: $newurl=~s/\/[^\/]+$/\/\*/;
686: print $logfile 'Allow: applet '.$_.':'.
687: $oldurl.' allows '.
688: $newurl."\n";
689: $allow{&absoluteurl($newurl,$target)}=1;
690: }
691: }
692: }
693: }
694: my $newparmstring='';
695: my $endtag='';
696: foreach (keys %parms) {
697: if ($_ eq '/') {
698: $endtag=' /';
699: } else {
700: my $quote=($parms{$_}=~/\"/?"'":'"');
701: $newparmstring.=' '.$_.'='.$quote.$parms{$_}.$quote;
702: }
703: }
704: if (!$endtag) { if ($token->[4]=~m:/>$:) { $endtag=' /'; }; }
705: $outstring.='<'.$tag.$newparmstring.$endtag.'>';
706: if ($lctag eq 'm') {
707: $outstring.=&get_all_text_unbalanced('/m',\@parser);
708: }
709: } elsif ($token->[0] eq 'E') {
710: if ($token->[2]) {
711: unless ($token->[1] eq 'allow') {
712: $outstring.='</'.$token->[1].'>';
713: }
714: }
715: } else {
716: $outstring.=$token->[1];
717: }
718: }
719: pop(@parser);
720: }
721:
722: if ($needsfixup) {
723: print $logfile "End of ID and/or index fixup\n".
724: "Max ID : $maxid (min 10)\n".
725: "Max Index: $maxindex (min 10)\n";
726: } else {
727: print $logfile "Does not need ID and/or index fixup\n";
728: }
729:
730: return ($outstring,%allow);
731: }
732:
733: #########################################
734: #########################################
735:
736: =pod
737:
738: =item B<store_metadata>
739:
740: Store the metadata in the metadata table in the loncapa database.
741: Uses lonmysql to access the database.
742:
743: Inputs: \%metadata
744:
745: Returns: (error,status). error is undef on success, status is undef on error.
746:
747: =cut
748:
749: #########################################
750: #########################################
751: sub store_metadata {
752: my %metadata = %{shift()};
753: my $error;
754: # Determine if the table exists
755: my $status = &Apache::lonmysql::check_table('metadata');
756: if (! defined($status)) {
757: $error='<font color="red">WARNING: Cannot connect to '.
758: 'database!</font>';
759: &Apache::lonnet::logthis($error);
760: return ($error,undef);
761: }
762: if ($status == 0) {
763: # It would be nice to actually create the table....
764: $error ='<font color="red">WARNING: The metadata table does not '.
765: 'exist in the LON-CAPA database.</font>';
766: &Apache::lonnet::logthis($error);
767: return ($error,undef);
768: }
769: # Remove old value from table
770: $status = &Apache::lonmysql::remove_from_table
771: ('metadata','url',$metadata{'url'});
772: if (! defined($status)) {
773: $error = '<font color="red">Error when removing old values from '.
774: 'metadata table in LON-CAPA database.</font>';
775: &Apache::lonnet::logthis($error);
776: return ($error,undef);
777: }
778: # Store data in table.
779: $status = &Apache::lonmysql::store_row('metadata',\%metadata);
780: if (! defined($status)) {
781: $error='<font color="red">Error occured storing new values in '.
782: 'metadata table in LON-CAPA database</font>';
783: &Apache::lonnet::logthis($error);
784: return ($error,undef);
785: }
786: return (undef,$status);
787: }
788:
789: #########################################
790: #########################################
791:
792: =pod
793:
794: =item B<publish>
795:
796: This is the workhorse function of this module. This subroutine generates
797: backup copies, performs any automatic processing (prior to publication,
798: especially for rat and ssi files),
799:
800: I<Additional documentation needed.>
801:
802: =cut
803:
804: #########################################
805: #########################################
806: sub publish {
807:
808: my ($source,$target,$style,$batch)=@_;
809: my $logfile;
810: my $scrout='';
811: my $allmeta='';
812: my $content='';
813: my %allow=();
814:
815: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
816: return
817: '<font color=red>No write permission to user directory, FAIL</font>';
818: }
819: print $logfile
820: "\n\n================= Publish ".localtime()." Phase One ================\n";
821:
822: if (($style eq 'ssi') || ($style eq 'rat')) {
823: # ------------------------------------------------------- This needs processing
824:
825: # ----------------------------------------------------------------- Backup Copy
826: my $copyfile=$source.'.save';
827: if (copy($source,$copyfile)) {
828: print $logfile "Copied original file to ".$copyfile."\n";
829: } else {
830: print $logfile "Unable to write backup ".$copyfile.':'.$!."\n";
831: return "<font color=red>Failed to write backup copy, $!,FAIL</font>";
832: }
833: # ------------------------------------------------------------- IDs and indices
834:
835: my $outstring;
836: ($outstring,%allow)=&fix_ids_and_indices($logfile,$source,$target);
837: # ------------------------------------------------------------ Construct Allows
838:
839: $scrout.='<h3>Dependencies</h3>';
840: my $allowstr='';
841: foreach (sort(keys(%allow))) {
842: my $thisdep=$_;
843: if ($thisdep !~ /[^\s]/) { next; }
844: unless ($style eq 'rat') {
845: $allowstr.="\n".'<allow src="'.$thisdep.'" />';
846: }
847: $scrout.='<br>';
848: unless ($thisdep=~/\*/) {
849: $scrout.='<a href="'.$thisdep.'">';
850: }
851: $scrout.='<tt>'.$thisdep.'</tt>';
852: unless ($thisdep=~/\*/) {
853: $scrout.='</a>';
854: if (
855: &Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
856: $thisdep.'.meta') eq '-1') {
857: $scrout.= ' - <font color="red">Currently not available'.
858: '</font>';
859: } else {
860: my %temphash=(&Apache::lonnet::declutter($target).'___'.
861: &Apache::lonnet::declutter($thisdep).'___usage'
862: => time);
863: $thisdep=~/^\/res\/(\w+)\/(\w+)\//;
864: if ((defined($1)) && (defined($2))) {
865: &Apache::lonnet::put('nohist_resevaldata',\%temphash,
866: $1,$2);
867: }
868: }
869: }
870: }
871: $outstring=~s/\n*(\<\/[^\>]+\>)\s*$/$allowstr\n$1\n/s;
872:
873: #Encode any High ASCII characters
874: $outstring=&HTML::Entities::encode($outstring,"\200-\377");
875: # ------------------------------------------------------------- Write modified.
876:
877: {
878: my $org;
879: unless ($org=Apache::File->new('>'.$source)) {
880: print $logfile "No write permit to $source\n";
881: return
882: '<font color="red">No write permission to '.$source.
883: ', FAIL</font>';
884: }
885: print($org $outstring);
886: }
887: $content=$outstring;
888:
889: }
890: # -------------------------------------------- Initial step done, now metadata.
891:
892: # --------------------------------------- Storage for metadata keys and fields.
893:
894: %metadatafields=();
895: %metadatakeys=();
896:
897: my %oldparmstores=();
898:
899: unless ($batch) {
900: $scrout.='<h3>Metadata Information ' .
901: Apache::loncommon::help_open_topic("Metadata_Description")
902: . '</h3>';
903: }
904:
905: # ------------------------------------------------ First, check out environment
906: unless (-e $source.'.meta') {
907: $metadatafields{'author'}=$ENV{'environment.firstname'}.' '.
908: $ENV{'environment.middlename'}.' '.
909: $ENV{'environment.lastname'}.' '.
910: $ENV{'environment.generation'};
911: $metadatafields{'author'}=~s/\s+/ /g;
912: $metadatafields{'author'}=~s/\s+$//;
913: $metadatafields{'owner'}=$cuname.'@'.$cudom;
914:
915: # ------------------------------------------------ Check out directory hierachy
916:
917: my $thisdisfn=$source;
918: $thisdisfn=~s/^\/home\/$cuname\///;
919:
920: my @urlparts=split(/\//,$thisdisfn);
921: $#urlparts--;
922:
923: my $currentpath='/home/'.$cuname.'/';
924:
925: foreach (@urlparts) {
926: $currentpath.=$_.'/';
927: $scrout.=&metaread($logfile,$currentpath.'default.meta');
928: }
929:
930: # ------------------- Clear out parameters and stores (there should not be any)
931:
932: foreach (keys %metadatafields) {
933: if (($_=~/^parameter/) || ($_=~/^stores/)) {
934: delete $metadatafields{$_};
935: }
936: }
937:
938: } else {
939: # ---------------------- Read previous metafile, remember parameters and stores
940:
941: $scrout.=&metaread($logfile,$source.'.meta');
942:
943: foreach (keys %metadatafields) {
944: if (($_=~/^parameter/) || ($_=~/^stores/)) {
945: $oldparmstores{$_}=1;
946: delete $metadatafields{$_};
947: }
948: }
949:
950: }
951:
952: # -------------------------------------------------- Parse content for metadata
953: if ($style eq 'ssi') {
954: my $oldenv=$ENV{'request.uri'};
955:
956: $ENV{'request.uri'}=$target;
957: $allmeta=Apache::lonxml::xmlparse(undef,'meta',$content);
958: $ENV{'request.uri'}=$oldenv;
959:
960: &metaeval($allmeta);
961: }
962: # ---------------- Find and document discrepancies in the parameters and stores
963:
964: my $chparms='';
965: foreach (sort keys %metadatafields) {
966: if (($_=~/^parameter/) || ($_=~/^stores/)) {
967: unless ($_=~/\.\w+$/) {
968: unless ($oldparmstores{$_}) {
969: print $logfile 'New: '.$_."\n";
970: $chparms.=$_.' ';
971: }
972: }
973: }
974: }
975: if ($chparms) {
976: $scrout.='<p><b>New parameters or stored values:</b> '.
977: $chparms;
978: }
979:
980: $chparms='';
981: foreach (sort keys %oldparmstores) {
982: if (($_=~/^parameter/) || ($_=~/^stores/)) {
983: unless (($metadatafields{$_.'.name'}) ||
984: ($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) {
985: print $logfile 'Obsolete: '.$_."\n";
986: $chparms.=$_.' ';
987: }
988: }
989: }
990: if ($chparms) {
991: $scrout.='<p><b>Obsolete parameters or stored values:</b> '.
992: $chparms;
993: }
994:
995: # ------------------------------------------------------- Now have all metadata
996:
997: my %keywords=();
998:
999: if (length($content)<500000) {
1000: my $textonly=$content;
1001: $textonly=~s/\<script[^\<]+\<\/script\>//g;
1002: $textonly=~s/\<m\>[^\<]+\<\/m\>//g;
1003: $textonly=~s/\<[^\>]*\>//g;
1004: $textonly=~tr/A-Z/a-z/;
1005: $textonly=~s/[\$\&][a-z]\w*//g;
1006: $textonly=~s/[^a-z\s]//g;
1007:
1008: foreach ($textonly=~m/(\w+)/g) {
1009: unless ($nokey{$_}) {
1010: $keywords{$_}=1;
1011: }
1012: }
1013: }
1014:
1015:
1016: foreach (split(/\W+/,$metadatafields{'keywords'})) {
1017: $keywords{$_}=1;
1018: }
1019: # --------------------------------------------------- Now we also have keywords
1020: # =============================================================================
1021: # INTERACTIVE MODE
1022: #
1023: unless ($batch) {
1024: $scrout.=
1025: '<form name="pubform" action="/adm/publish" method="post">'.
1026: '<p><input type="submit" value="Finalize Publication" /></p>'.
1027: &hiddenfield('phase','two').
1028: &hiddenfield('filename',$ENV{'form.filename'}).
1029: &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
1030: &hiddenfield('dependencies',join(',',keys %allow)).
1031: &textfield('Title','title',$metadatafields{'title'}).
1032: &textfield('Author(s)','author',$metadatafields{'author'}).
1033: &textfield('Subject','subject',$metadatafields{'subject'});
1034:
1035: # --------------------------------------------------- Scan content for keywords
1036:
1037: my $keywords_help = Apache::loncommon::help_open_topic("Publishing_Keywords");
1038: my $keywordout=<<"END";
1039: <script>
1040: function checkAll(field)
1041: {
1042: for (i = 0; i < field.length; i++)
1043: field[i].checked = true ;
1044: }
1045:
1046: function uncheckAll(field)
1047: {
1048: for (i = 0; i < field.length; i++)
1049: field[i].checked = false ;
1050: }
1051: </script>
1052: <p><b>Keywords: $keywords_help</b>
1053: <input type="button" value="check all" onclick="javascript:checkAll(document.pubform.keywords)">
1054: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.pubform.keywords)">
1055: <br />
1056: END
1057: $keywordout.='<table border=2><tr>';
1058: my $colcount=0;
1059:
1060: foreach (sort keys %keywords) {
1061: $keywordout.='<td><input type=checkbox name="keywords" value="'.$_.'"';
1062: if ($metadatafields{'keywords'}) {
1063: if ($metadatafields{'keywords'}=~/$_/) {
1064: $keywordout.=' checked';
1065: }
1066: } elsif (&Apache::loncommon::keyword($_)) {
1067: $keywordout.=' checked';
1068: }
1069: $keywordout.='>'.$_.'</td>';
1070: if ($colcount>10) {
1071: $keywordout.="</tr><tr>\n";
1072: $colcount=0;
1073: }
1074: $colcount++;
1075: }
1076:
1077: $keywordout.='</tr></table>';
1078:
1079: $scrout.=$keywordout;
1080:
1081: $scrout.=&textfield('Additional Keywords','addkey','');
1082:
1083: $scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
1084:
1085: $scrout.=
1086: '<p><b>Abstract:</b><br><textarea cols=80 rows=5 name=abstract>'.
1087: $metadatafields{'abstract'}.'</textarea>';
1088:
1089: $source=~/\.(\w+)$/;
1090:
1091: $scrout.=&hiddenfield('mime',$1);
1092:
1093: $scrout.=&selectbox('Language','language',
1094: $metadatafields{'language'},
1095: \&Apache::loncommon::languagedescription,
1096: (&Apache::loncommon::languageids),
1097: );
1098:
1099: unless ($metadatafields{'creationdate'}) {
1100: $metadatafields{'creationdate'}=time;
1101: }
1102: $scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'});
1103:
1104: $scrout.=&hiddenfield('lastrevisiondate',time);
1105:
1106:
1107: $scrout.=&textfield('Publisher/Owner','owner',
1108: $metadatafields{'owner'});
1109:
1110: # -------------------------------------------------- Correct copyright for rat.
1111: if ($style eq 'rat') {
1112: if ($metadatafields{'copyright'} eq 'public') {
1113: delete $metadatafields{'copyright'};
1114: }
1115: $scrout.=&selectbox('Copyright/Distribution','copyright',
1116: $metadatafields{'copyright'},
1117: \&Apache::loncommon::copyrightdescription,
1118: (grep !/^public$/,(&Apache::loncommon::copyrightids)));
1119: }
1120: else {
1121: $scrout.=&selectbox('Copyright/Distribution','copyright',
1122: $metadatafields{'copyright'},
1123: \&Apache::loncommon::copyrightdescription,
1124: (&Apache::loncommon::copyrightids));
1125: }
1126:
1127: my $copyright_help =
1128: Apache::loncommon::help_open_topic('Publishing_Copyright');
1129: $scrout =~ s/DISTRIBUTION:/'DISTRIBUTION: ' . $copyright_help/ge;
1130: return $scrout.
1131: '<p><input type="submit" value="Finalize Publication" /></p></form>';
1132: # =============================================================================
1133: # BATCH MODE
1134: #
1135: } else {
1136: # Transfer metadata directly to environment for stage 2
1137: foreach (keys %metadatafields) {
1138: $ENV{'form.'.$_}=$metadatafields{$_};
1139: }
1140: $ENV{'form.addkey'}='';
1141: $ENV{'form.keywords'}='';
1142: foreach (keys %keywords) {
1143: if ($metadatafields{'keywords'}) {
1144: if ($metadatafields{'keywords'}=~/$_/) {
1145: $ENV{'form.keywords'}.=$_.',';
1146: }
1147: } elsif (&Apache::loncommon::keyword($_)) {
1148: $ENV{'form.keywords'}.=$_.',';
1149: }
1150: }
1151: $ENV{'form.keywords'}=~s/\,$//;
1152: unless ($ENV{'form.creationdate'}) { $ENV{'form.creationdate'}=time; }
1153: $ENV{'form.lastrevisiondate'}=time;
1154: if ((($style eq 'rat') && ($ENV{'form.copyright'} eq 'public')) ||
1155: (!$ENV{'form.copyright'})) {
1156: $ENV{'form.copyright'}='default';
1157: }
1158: $ENV{'form.allmeta'}=&Apache::lonnet::escape($allmeta);
1159: return $scrout;
1160: }
1161: }
1162:
1163: #########################################
1164: #########################################
1165:
1166: =pod
1167:
1168: =item B<phasetwo>
1169:
1170: Render second interface showing status of publication steps.
1171: This is publication step two.
1172:
1173: Parameters:
1174:
1175: =over 4
1176:
1177: =item I<$source>
1178:
1179: =item I<$target>
1180:
1181: =item I<$style>
1182:
1183: =item I<$distarget>
1184:
1185: =back
1186:
1187: Returns:
1188:
1189: =over 4
1190:
1191: =item Scalar string
1192:
1193: String contains status (errors and warnings) and information associated with
1194: the server's attempts at publication.
1195:
1196: =cut
1197:
1198: #########################################
1199: #########################################
1200: sub phasetwo {
1201:
1202: my ($source,$target,$style,$distarget,$batch)=@_;
1203: my $logfile;
1204: my $scrout='';
1205: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
1206: return
1207: '<font color=red>No write permission to user directory, FAIL</font>';
1208: }
1209: print $logfile
1210: "\n================= Publish ".localtime()." Phase Two ================\n";
1211:
1212: %metadatafields=();
1213: %metadatakeys=();
1214:
1215: &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
1216:
1217: $metadatafields{'title'}=$ENV{'form.title'};
1218: $metadatafields{'author'}=$ENV{'form.author'};
1219: $metadatafields{'subject'}=$ENV{'form.subject'};
1220: $metadatafields{'notes'}=$ENV{'form.notes'};
1221: $metadatafields{'abstract'}=$ENV{'form.abstract'};
1222: $metadatafields{'mime'}=$ENV{'form.mime'};
1223: $metadatafields{'language'}=$ENV{'form.language'};
1224: $metadatafields{'creationdate'}=
1225: &sqltime($ENV{'form.creationdate'});
1226: $metadatafields{'lastrevisiondate'}=
1227: &sqltime($ENV{'form.lastrevisiondate'});
1228: $metadatafields{'owner'}=$ENV{'form.owner'};
1229: $metadatafields{'copyright'}=$ENV{'form.copyright'};
1230: $metadatafields{'dependencies'}=$ENV{'form.dependencies'};
1231:
1232: my $allkeywords=$ENV{'form.addkey'};
1233: if (exists($ENV{'form.keywords'})) {
1234: if (ref($ENV{'form.keywords'})) {
1235: $allkeywords .= ','.join(',',@{$ENV{'form.keywords'}});
1236: } else {
1237: $allkeywords .= ','.$ENV{'form.keywords'};
1238: }
1239: }
1240: $allkeywords=~s/\W+/\,/;
1241: $allkeywords=~s/^\,//;
1242: $metadatafields{'keywords'}=$allkeywords;
1243:
1244: {
1245: print $logfile "\nWrite metadata file for ".$source;
1246: my $mfh;
1247: unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
1248: return
1249: '<font color=red>Could not write metadata, FAIL</font>';
1250: }
1251: foreach (sort keys %metadatafields) {
1252: unless ($_=~/\./) {
1253: my $unikey=$_;
1254: $unikey=~/^([A-Za-z]+)/;
1255: my $tag=$1;
1256: $tag=~tr/A-Z/a-z/;
1257: print $mfh "\n\<$tag";
1258: foreach (split(/\,/,$metadatakeys{$unikey})) {
1259: my $value=$metadatafields{$unikey.'.'.$_};
1260: $value=~s/\"/\'\'/g;
1261: print $mfh ' '.$_.'="'.$value.'"';
1262: }
1263: print $mfh '>'.
1264: &HTML::Entities::encode($metadatafields{$unikey})
1265: .'</'.$tag.'>';
1266: }
1267: }
1268: $scrout.='<p>Wrote Metadata';
1269: print $logfile "\nWrote metadata";
1270: }
1271:
1272: # -------------------------------- Synchronize entry with SQL metadata database
1273: my $warning;
1274: $metadatafields{'url'} = $distarget;
1275: $metadatafields{'version'} = 'current';
1276: unless ($metadatafields{'copyright'} eq 'priv') {
1277: my ($error,$success) = &store_metadata(\%metadatafields);
1278: if ($success) {
1279: $scrout.='<p>Synchronized SQL metadata database';
1280: print $logfile "\nSynchronized SQL metadata database";
1281: } else {
1282: $warning.=$error;
1283: print $logfile "\n".$error;
1284: }
1285: } else {
1286: $scrout.='<p>Private Publication - did not synchronize database';
1287: print $logfile "\nPrivate: Did not synchronize data into ".
1288: "SQL metadata database";
1289: }
1290: # ----------------------------------------------------------- Copy old versions
1291:
1292: if (-e $target) {
1293: my $filename;
1294: my $maxversion=0;
1295: $target=~/(.*)\/([^\/]+)\.(\w+)$/;
1296: my $srcf=$2;
1297: my $srct=$3;
1298: my $srcd=$1;
1299: unless ($srcd=~/^\/home\/httpd\/html\/res/) {
1300: print $logfile "\nPANIC: Target dir is ".$srcd;
1301: return "<font color=red>Invalid target directory, FAIL</font>";
1302: }
1303: opendir(DIR,$srcd);
1304: while ($filename=readdir(DIR)) {
1305: if ($filename=~/$srcf\.(\d+)\.$srct$/) {
1306: $maxversion=($1>$maxversion)?$1:$maxversion;
1307: }
1308: }
1309: closedir(DIR);
1310: $maxversion++;
1311: $scrout.='<p>Creating old version '.$maxversion;
1312: print $logfile "\nCreating old version ".$maxversion;
1313:
1314: my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
1315:
1316: if (copy($target,$copyfile)) {
1317: print $logfile "Copied old target to ".$copyfile."\n";
1318: $scrout.='<p>Copied old target file';
1319: } else {
1320: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
1321: return "<font color=red>Failed to copy old target, $!, FAIL</font>";
1322: }
1323:
1324: # --------------------------------------------------------------- Copy Metadata
1325:
1326: $copyfile=$copyfile.'.meta';
1327:
1328: if (copy($target.'.meta',$copyfile)) {
1329: print $logfile "Copied old target metadata to ".$copyfile."\n";
1330: $scrout.='<p>Copied old metadata';
1331: } else {
1332: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
1333: if (-e $target.'.meta') {
1334: return
1335: "<font color=red>Failed to write old metadata copy, $!, FAIL</font>";
1336: }
1337: }
1338:
1339:
1340: } else {
1341: $scrout.='<p>Initial version';
1342: print $logfile "\nInitial version";
1343: }
1344:
1345: # ---------------------------------------------------------------- Write Source
1346: my $copyfile=$target;
1347:
1348: my @parts=split(/\//,$copyfile);
1349: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
1350:
1351: my $count;
1352: for ($count=5;$count<$#parts;$count++) {
1353: $path.="/$parts[$count]";
1354: if ((-e $path)!=1) {
1355: print $logfile "\nCreating directory ".$path;
1356: $scrout.='<p>Created directory '.$parts[$count];
1357: mkdir($path,0777);
1358: }
1359: }
1360:
1361: if (copy($source,$copyfile)) {
1362: print $logfile "\nCopied original source to ".$copyfile."\n";
1363: $scrout.='<p>Copied source file';
1364: } else {
1365: print $logfile "\nUnable to write ".$copyfile.':'.$!."\n";
1366: return "<font color=red>Failed to copy source, $!, FAIL</font>";
1367: }
1368:
1369: # --------------------------------------------------------------- Copy Metadata
1370:
1371: $copyfile=$copyfile.'.meta';
1372:
1373: if (copy($source.'.meta',$copyfile)) {
1374: print $logfile "\nCopied original metadata to ".$copyfile."\n";
1375: $scrout.='<p>Copied metadata';
1376: } else {
1377: print $logfile "\nUnable to write metadata ".$copyfile.':'.$!."\n";
1378: return
1379: "<font color=red>Failed to write metadata copy, $!, FAIL</font>";
1380: }
1381:
1382: # --------------------------------------------------- Send update notifications
1383:
1384: my @subscribed=&get_subscribed_hosts($target);
1385: foreach my $subhost (@subscribed) {
1386: $scrout.='<p>Notifying host '.$subhost.':';
1387: print $logfile "\nNotifying host ".$subhost.':';
1388: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
1389: $scrout.=$reply;
1390: print $logfile $reply;
1391: }
1392:
1393: # ---------------------------------------- Send update notifications, meta only
1394:
1395: my @subscribedmeta=&get_subscribed_hosts("$target.meta");
1396: foreach my $subhost (@subscribedmeta) {
1397: $scrout.='<p>Notifying host for metadata only '.$subhost.':';
1398: print $logfile "\nNotifying host for metadata only ".$subhost.':';
1399: my $reply=&Apache::lonnet::critical('update:'.$target.'.meta',
1400: $subhost);
1401: $scrout.=$reply;
1402: print $logfile $reply;
1403: }
1404:
1405: # ------------------------------------------------ Provide link to new resource
1406: unless ($batch) {
1407: my $thisdistarget=$target;
1408: $thisdistarget=~s/^$docroot//;
1409:
1410: my $thissrc=$source;
1411: $thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/;
1412:
1413: my $thissrcdir=$thissrc;
1414: $thissrcdir=~s/\/[^\/]+$/\//;
1415:
1416:
1417: return $warning.$scrout.
1418: '<hr><a href="'.$thisdistarget.'"><font size="+2">'.
1419: 'View Published Version</font></a>'.
1420: '<p><a href="'.$thissrc.'"><font size=+2>Back to Source</font></a>'.
1421: '<p><a href="'.$thissrcdir.
1422: '"><font size="+2">Back to Source Directory</font></a>';
1423: } else {
1424: return $warning.$scrout;
1425: }
1426: }
1427:
1428: #########################################
1429:
1430: sub batchpublish {
1431: my ($r,$srcfile,$targetfile)=@_;
1432: my $thisdisfn=$srcfile;
1433: $thisdisfn=~s/\/home\/korte\/public_html\///;
1434: $srcfile=~s/\/+/\//g;
1435:
1436: my $docroot=$r->dir_config('lonDocRoot');
1437: my $thisdistarget=$targetfile;
1438: $thisdistarget=~s/^$docroot//;
1439:
1440:
1441: undef %metadatafields;
1442: undef %metadatakeys;
1443: %metadatafields=();
1444: %metadatakeys=();
1445: $srcfile=~/\.(\w+)$/;
1446: my $thistype=$1;
1447:
1448:
1449: my $thisembstyle=&Apache::loncommon::fileembstyle($thistype);
1450:
1451: $r->print('<h2>Publishing <tt>'.$thisdisfn.'</tt></h2>');
1452:
1453: # phase one takes
1454: # my ($source,$target,$style,$batch)=@_;
1455: $r->print('<p>'.&publish($srcfile,$targetfile,$thisembstyle,1).'</p>');
1456: # phase two takes
1457: # my ($source,$target,$style,$distarget,batch)=@_;
1458: # $ENV{'form.allmeta'},$ENV{'form.title'},$ENV{'form.author'},...
1459: $r->print(
1460: '<p>'.&phasetwo($srcfile,$targetfile,$thisembstyle,$thisdistarget,1).'</p>');
1461: return '';
1462: }
1463:
1464: #########################################
1465:
1466: sub publishdirectory {
1467: my ($r,$fn,$thisdisfn)=@_;
1468: my $resdir=
1469: $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'.$cudom.'/'.$cuname.
1470: $thisdisfn;
1471: $r->print('<h1>Directory <tt>'.$thisdisfn.'/</tt></h1>'.
1472: 'Target: <tt>'.$resdir.'</tt><br />');
1473:
1474: my $dirptr=16384; # Mask indicating a directory in stat.cmode.
1475:
1476: opendir(DIR,$fn);
1477: my @files=sort(readdir(DIR));
1478: foreach my $filename (@files) {
1479: my ($cdev,$cino,$cmode,$cnlink,
1480: $cuid,$cgid,$crdev,$csize,
1481: $catime,$cmtime,$cctime,
1482: $cblksize,$cblocks)=stat($fn.'/'.$filename);
1483:
1484: my $extension='';
1485: if ($filename=~/\.(\w+)$/) { $extension=$1; }
1486: if ($cmode&$dirptr) {
1487: if (($filename!~/^\./) && ($ENV{'form.pubrec'})) {
1488: &publishdirectory($r,$fn.'/'.$filename,$thisdisfn.'/'.$filename);
1489: }
1490: } elsif ((&Apache::loncommon::fileembstyle($extension) ne 'hdn') &&
1491: ($filename!~/^[\#\.]/) && ($filename!~/\~$/)) {
1492: # find out publication status and/or exiting metadata
1493: my $publishthis=0;
1494: if (-e $resdir.'/'.$filename) {
1495: my ($rdev,$rino,$rmode,$rnlink,
1496: $ruid,$rgid,$rrdev,$rsize,
1497: $ratime,$rmtime,$rctime,
1498: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
1499: if ($rmtime<$cmtime) {
1500: # previously published, modified now
1501: $publishthis=1;
1502: }
1503: } else {
1504: # never published
1505: $publishthis=1;
1506: }
1507: if ($publishthis) {
1508: &batchpublish($r,$fn.'/'.$filename,$resdir.'/'.$filename);
1509: } else {
1510: $r->print('<br />Skipping '.$filename.'<br />');
1511: }
1512: $r->rflush();
1513: }
1514: }
1515: closedir(DIR);
1516: }
1517: #########################################
1518:
1519: =pod
1520:
1521: =item B<handler>
1522:
1523: A basic outline of the handler subroutine follows.
1524:
1525: =over 4
1526:
1527: =item *
1528:
1529: Get query string for limited number of parameters.
1530:
1531: =item *
1532:
1533: Check filename.
1534:
1535: =item *
1536:
1537: File is there and owned, init lookup tables.
1538:
1539: =item *
1540:
1541: Start page output.
1542:
1543: =item *
1544:
1545: Evaluate individual file, and then output information.
1546:
1547: =item *
1548:
1549: Publishing from $thisfn to $thistarget with $thisembstyle.
1550:
1551: =back
1552:
1553: =cut
1554:
1555: #########################################
1556: #########################################
1557: sub handler {
1558: my $r=shift;
1559:
1560: if ($r->header_only) {
1561: $r->content_type('text/html');
1562: $r->send_http_header;
1563: return OK;
1564: }
1565:
1566: # Get query string for limited number of parameters
1567:
1568: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1569: ['filename']);
1570:
1571: # -------------------------------------------------------------- Check filename
1572:
1573: my $fn=$ENV{'form.filename'};
1574:
1575:
1576: unless ($fn) {
1577: $r->log_reason($cuname.' at '.$cudom.
1578: ' trying to publish empty filename', $r->filename);
1579: return HTTP_NOT_FOUND;
1580: }
1581:
1582: ($cuname,$cudom)=
1583: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
1584: unless (($cuname) && ($cudom)) {
1585: $r->log_reason($cuname.' at '.$cudom.
1586: ' trying to publish file '.$ENV{'form.filename'}.
1587: ' ('.$fn.') - not authorized',
1588: $r->filename);
1589: return HTTP_NOT_ACCEPTABLE;
1590: }
1591:
1592: unless (&Apache::lonnet::homeserver($cuname,$cudom)
1593: eq $r->dir_config('lonHostID')) {
1594: $r->log_reason($cuname.' at '.$cudom.
1595: ' trying to publish file '.$ENV{'form.filename'}.
1596: ' ('.$fn.') - not homeserver ('.
1597: &Apache::lonnet::homeserver($cuname,$cudom).')',
1598: $r->filename);
1599: return HTTP_NOT_ACCEPTABLE;
1600: }
1601:
1602: $fn=~s/^http\:\/\/[^\/]+//;
1603: $fn=~s/^\/\~(\w+)/\/home\/$1\/public_html/;
1604:
1605: my $targetdir='';
1606: $docroot=$r->dir_config('lonDocRoot');
1607: if ($1 ne $cuname) {
1608: $r->log_reason($cuname.' at '.$cudom.
1609: ' trying to publish unowned file '.$ENV{'form.filename'}.
1610: ' ('.$fn.')',
1611: $r->filename);
1612: return HTTP_NOT_ACCEPTABLE;
1613: } else {
1614: $targetdir=$docroot.'/res/'.$cudom;
1615: }
1616:
1617:
1618: unless (-e $fn) {
1619: $r->log_reason($cuname.' at '.$cudom.
1620: ' trying to publish non-existing file '.$ENV{'form.filename'}.
1621: ' ('.$fn.')',
1622: $r->filename);
1623: return HTTP_NOT_FOUND;
1624: }
1625:
1626: unless ($ENV{'form.phase'} eq 'two') {
1627:
1628: # -------------------------------- File is there and owned, init lookup tables.
1629:
1630: %addid=();
1631:
1632: {
1633: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
1634: while (<$fh>=~/(\w+)\s+(\w+)/) {
1635: $addid{$1}=$2;
1636: }
1637: }
1638:
1639: %nokey=();
1640:
1641: {
1642: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
1643: while (<$fh>) {
1644: my $word=$_;
1645: chomp($word);
1646: $nokey{$word}=1;
1647: }
1648: }
1649:
1650: }
1651:
1652: # ---------------------------------------------------------- Start page output.
1653:
1654: $r->content_type('text/html');
1655: $r->send_http_header;
1656:
1657: $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
1658: $r->print(&Apache::loncommon::bodytag('Resource Publication'));
1659: my $thisfn=$fn;
1660:
1661: my $thistarget=$thisfn;
1662:
1663: $thistarget=~s/^\/home/$targetdir/;
1664: $thistarget=~s/\/public\_html//;
1665:
1666: my $thisdistarget=$thistarget;
1667: $thisdistarget=~s/^$docroot//;
1668:
1669: my $thisdisfn=$thisfn;
1670: $thisdisfn=~s/^\/home\/$cuname\/public_html\///;
1671:
1672: if ($fn=~/\/$/) {
1673: # -------------------------------------------------------- This is a directory
1674: &publishdirectory($r,$fn,$thisdisfn);
1675:
1676: } else {
1677: # ---------------------- Evaluate individual file, and then output information.
1678: $thisfn=~/\.(\w+)$/;
1679: my $thistype=$1;
1680: my $thisembstyle=&Apache::loncommon::fileembstyle($thistype);
1681:
1682: $r->print('<h2>Publishing '.
1683: &Apache::loncommon::filedescription($thistype).' <tt>'.
1684: '<a href="/~'.$cuname.'/'.$thisdisfn.'" target="cat">'.$thisdisfn.
1685: '</a></tt></h2><b>Target:</b> <tt>'.$thisdistarget.'</tt><p>');
1686:
1687: if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
1688: $r->print('<h3><font color="red">Co-Author: '.$cuname.' at '.$cudom.
1689: '</font></h3>');
1690: }
1691:
1692: if (&Apache::loncommon::fileembstyle($thistype) eq 'ssi') {
1693: $r->print('<br /><a href="/adm/diff?filename=/~'.$cuname.'/'.
1694: $thisdisfn.
1695: '&versionone=priv" target="cat">Diffs with Current Version</a><p>');
1696: }
1697:
1698: # ------------------ Publishing from $thisfn to $thistarget with $thisembstyle.
1699:
1700: unless ($ENV{'form.phase'} eq 'two') {
1701: $r->print(
1702: '<hr />'.&publish($thisfn,$thistarget,$thisembstyle));
1703: } else {
1704: $r->print(
1705: '<hr />'.&phasetwo($thisfn,$thistarget,
1706: $thisembstyle,$thisdistarget));
1707: }
1708:
1709: }
1710: $r->print('</body></html>');
1711:
1712: return OK;
1713: }
1714:
1715: 1;
1716: __END__
1717:
1718: =pod
1719:
1720: =back
1721:
1722: =cut
1723:
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