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