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: # 06/23,08/07,08/11,8/13,8/17 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,$target)=@_;
138: unless ($url) { return ''; }
139: my ($host)=($url=~/(?:http\:\/\/)*([^\/]+)/);
140: map {
141: if ($_ eq $host) {
142: $url=~s/^http\:\/\///;
143: $url=~s/^$host//;
144: }
145: } values %Apache::lonnet::hostname;
146: $url=~s/\~$cuname/res\/$cudom\/$cuname/;
147: if ($target) {
148: $target=~s/\/[^\/]+$//;
149: $url=&Apache::lonnet::hreflocation($target,$url);
150: }
151: return $url;
152: }
153:
154: sub publish {
155:
156: my ($source,$target,$style)=@_;
157: my $logfile;
158: my $scrout='';
159: my $allmeta='';
160: my $content='';
161: my %allow=();
162: undef %allow;
163:
164: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
165: return
166: '<font color=red>No write permission to user directory, FAIL</font>';
167: }
168: print $logfile
169: "\n\n================= Publish ".localtime()." Phase One ================\n";
170:
171: if (($style eq 'ssi') || ($style eq 'rat')) {
172: # ------------------------------------------------------- This needs processing
173:
174: # ----------------------------------------------------------------- Backup Copy
175: my $copyfile=$source.'.save';
176: if (copy($source,$copyfile)) {
177: print $logfile "Copied original file to ".$copyfile."\n";
178: } else {
179: print $logfile "Unable to write backup ".$copyfile.':'.$!."\n";
180: return "<font color=red>Failed to write backup copy, $!,FAIL</font>";
181: }
182: # ------------------------------------------------------------- IDs and indices
183:
184: my $maxindex=10;
185: my $maxid=10;
186:
187: my $needsfixup=0;
188:
189: {
190: my $org=Apache::File->new($source);
191: $content=join('',<$org>);
192: }
193: {
194: my $parser=HTML::TokeParser->new(\$content);
195: my $token;
196: while ($token=$parser->get_token) {
197: if ($token->[0] eq 'S') {
198: my $counter;
199: if ($counter=$addid{$token->[1]}) {
200: if ($counter eq 'id') {
201: if (defined($token->[2]->{'id'})) {
202: $maxid=
203: ($token->[2]->{'id'}>$maxid)?$token->[2]->{'id'}:$maxid;
204: } else {
205: $needsfixup=1;
206: }
207: } else {
208: if (defined($token->[2]->{'index'})) {
209: $maxindex=
210: ($token->[2]->{'index'}>$maxindex)?$token->[2]->{'index'}:$maxindex;
211: } else {
212: $needsfixup=1;
213: }
214: }
215: }
216: }
217: }
218: }
219: if ($needsfixup) {
220: print $logfile "Needs ID and/or index fixup\n".
221: "Max ID : $maxid (min 10)\n".
222: "Max Index: $maxindex (min 10)\n";
223: }
224: my $outstring='';
225: my $parser=HTML::TokeParser->new(\$content);
226: my $token;
227: while ($token=$parser->get_token) {
228: if ($token->[0] eq 'S') {
229: my $counter;
230: my $tag=$token->[1];
231: unless ($tag eq 'allow') {
232: my %parms=%{$token->[2]};
233: if ($counter=$addid{$tag}) {
234: if ($counter eq 'id') {
235: unless (defined($parms{'id'})) {
236: $maxid++;
237: $parms{'id'}=$maxid;
238: print $logfile 'ID: '.$tag.':'.$maxid."\n";
239: }
240: } elsif ($counter eq 'index') {
241: unless (defined($parms{'index'})) {
242: $maxindex++;
243: $parms{'index'}=$maxindex;
244: print $logfile 'Index: '.$tag.':'.$maxindex."\n";
245: }
246: }
247: }
248:
249: map {
250: if (defined($parms{$_})) {
251: my $oldurl=$parms{$_};
252: my $newurl=&urlfixup($oldurl,$target);
253: if ($newurl ne $oldurl) {
254: $parms{$_}=$newurl;
255: print $logfile 'URL: '.$tag.':'.$oldurl.' - '.
256: $newurl."\n";
257: }
258: $allow{$newurl}=1;
259: }
260: } ('src','href');
261:
262: if ($tag eq 'applet') {
263: my $codebase='';
264: if (defined($parms{'codebase'})) {
265: my $oldcodebase=$parms{'codebase'};
266: unless ($oldcodebase=~/\/$/) {
267: $oldcodebase.='/';
268: }
269: $codebase=&urlfixup($oldcodebase,$target);
270: $codebase=~s/\/$//;
271: if ($codebase ne $oldcodebase) {
272: $parms{'codebase'}=$codebase;
273: print $logfile 'URL codebase: '.$tag.':'.
274: $oldcodebase.' - '.
275: $codebase."\n";
276: }
277: $allow{$codebase.'/*'}=1;
278: } else {
279: map {
280: if (defined($parms{$_})) {
281: my $oldurl=$parms{$_};
282: my $newurl=&urlfixup($oldurl,$target);
283: $newurl=~s/\/[^\/]+$/\/\*/;
284: print $logfile 'Allow: applet '.$_.':'.
285: $oldurl.' allows '.
286: $newurl."\n";
287: $allow{$newurl}=1;
288: }
289: } ('archive','code','object');
290: }
291: }
292:
293: my $newparmstring='';
294: my $endtag='';
295: map {
296: if ($_ eq '/') {
297: $endtag=' /';
298: } else {
299: my $quote=($parms{$_}=~/\"/?"'":'"');
300: $newparmstring.=' '.$_.'='.$quote.$parms{$_}.$quote;
301: }
302: } keys %parms;
303:
304: $outstring.='<'.$tag.$newparmstring.$endtag.'>';
305: } else {
306: $allow{$token->[2]->{'src'}}=1;
307: }
308: } elsif ($token->[0] eq 'E') {
309: unless ($token->[1] eq 'allow') {
310: $outstring.=$token->[2];
311: }
312: } else {
313: $outstring.=$token->[1];
314: }
315: }
316: # ------------------------------------------------------------ Construct Allows
317: unless ($style eq 'rat') {
318: my $allowstr="\n";
319: map {
320: $allowstr.='<allow src="'.$_.'" />'."\n";
321: } keys %allow;
322: $outstring=~s/(\<\/[^\>]+\>\s*)$/$allowstr$1/s;
323: }
324: # ------------------------------------------------------------- Write modified
325:
326: {
327: my $org;
328: unless ($org=Apache::File->new('>'.$source)) {
329: print $logfile "No write permit to $source\n";
330: return
331: "<font color=red>No write permission to $source, FAIL</font>";
332: }
333: print $org $outstring;
334: }
335: $content=$outstring;
336:
337: if ($needsfixup) {
338: print $logfile "End of ID and/or index fixup\n".
339: "Max ID : $maxid (min 10)\n".
340: "Max Index: $maxindex (min 10)\n";
341: } else {
342: print $logfile "Does not need ID and/or index fixup\n";
343: }
344: }
345: # --------------------------------------------- Initial step done, now metadata
346:
347: # ---------------------------------------- Storage for metadata keys and fields
348:
349: %metadatafields=();
350: %metadatakeys=();
351:
352: my %oldparmstores=();
353:
354: # ------------------------------------------------ First, check out environment
355: unless (-e $source.'.meta') {
356: $metadatafields{'author'}=$ENV{'environment.firstname'}.' '.
357: $ENV{'environment.middlename'}.' '.
358: $ENV{'environment.lastname'}.' '.
359: $ENV{'environment.generation'};
360: $metadatafields{'author'}=~s/\s+/ /g;
361: $metadatafields{'author'}=~s/\s+$//;
362: $metadatafields{'owner'}=$cuname.'@'.$cudom;
363:
364: # ------------------------------------------------ Check out directory hierachy
365:
366: my $thisdisfn=$source;
367: $thisdisfn=~s/^\/home\/$cuname\///;
368:
369: my @urlparts=split(/\//,$thisdisfn);
370: $#urlparts--;
371:
372: my $currentpath='/home/'.$cuname.'/';
373:
374: map {
375: $currentpath.=$_.'/';
376: $scrout.=&metaread($logfile,$currentpath.'default.meta');
377: } @urlparts;
378:
379: # ------------------- Clear out parameters and stores (there should not be any)
380:
381: map {
382: if (($_=~/^parameter/) || ($_=~/^stores/)) {
383: delete $metadatafields{$_};
384: }
385: } keys %metadatafields;
386:
387: } else {
388: # ---------------------- Read previous metafile, remember parameters and stores
389:
390: $scrout.=&metaread($logfile,$source.'.meta');
391:
392: map {
393: if (($_=~/^parameter/) || ($_=~/^stores/)) {
394: $oldparmstores{$_}=1;
395: delete $metadatafields{$_};
396: }
397: } keys %metadatafields;
398:
399: }
400:
401: # -------------------------------------------------- Parse content for metadata
402: if ($style eq 'ssi') {
403: $allmeta=Apache::lonxml::xmlparse('meta',$content);
404:
405: &metaeval($allmeta);
406: }
407: # ---------------- Find and document discrepancies in the parameters and stores
408:
409: my $chparms='';
410: map {
411: if (($_=~/^parameter/) || ($_=~/^stores/)) {
412: unless ($_=~/\.\w+$/) {
413: unless ($oldparmstores{$_}) {
414: print $logfile 'New: '.$_."\n";
415: $chparms.=$_.' ';
416: }
417: }
418: }
419: } sort keys %metadatafields;
420: if ($chparms) {
421: $scrout.='<p><b>New parameters or stored values:</b> '.
422: $chparms;
423: }
424:
425: my $chparms='';
426: map {
427: if (($_=~/^parameter/) || ($_=~/^stores/)) {
428: unless (($metadatafields{$_.'.name'}) ||
429: ($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) {
430: print $logfile 'Obsolete: '.$_."\n";
431: $chparms.=$_.' ';
432: }
433: }
434: } sort keys %oldparmstores;
435: if ($chparms) {
436: $scrout.='<p><b>Obsolete parameters or stored values:</b> '.
437: $chparms;
438: }
439:
440: # ------------------------------------------------------- Now have all metadata
441:
442: $scrout.=
443: '<form action="/adm/publish" method="post">'.
444: &hiddenfield('phase','two').
445: &hiddenfield('filename',$ENV{'form.filename'}).
446: &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
447: &textfield('Title','title',$metadatafields{'title'}).
448: &textfield('Author(s)','author',$metadatafields{'author'}).
449: &textfield('Subject','subject',$metadatafields{'subject'});
450:
451: # --------------------------------------------------- Scan content for keywords
452:
453: my $keywordout='<p><b>Keywords:</b><br><table border=2><tr>';
454: my $colcount=0;
455:
456: {
457: my $textonly=$content;
458: $textonly=~s/\<script[^\<]+\<\/script\>//g;
459: $textonly=~s/\<m\>[^\<]+\<\/m\>//g;
460: $textonly=~s/\<[^\>]*\>//g;
461: $textonly=~tr/A-Z/a-z/;
462: $textonly=~s/[\$\&][a-z]\w*//g;
463: $textonly=~s/[^a-z\s]//g;
464:
465: my %keywords=();
466: map {
467: unless ($nokey{$_}) {
468: $keywords{$_}=1;
469: }
470: } ($textonly=~m/(\w+)/g);
471:
472: map {
473: $keywords{$_}=1;
474: } split(/\W+/,$metadatafields{'keywords'});
475:
476: map {
477: $keywordout.='<td><input type=checkbox name="key.'.$_.'"';
478: if ($metadatafields{'keywords'}=~/$_/) {
479: $keywordout.=' checked';
480: }
481: $keywordout.='>'.$_.'</td>';
482: if ($colcount>10) {
483: $keywordout.="</tr><tr>\n";
484: $colcount=0;
485: }
486: $colcount++;
487: } sort keys %keywords;
488: $keywordout.='</tr></table>';
489:
490: }
491:
492: $scrout.=$keywordout;
493:
494: $scrout.=&textfield('Additional Keywords','addkey','');
495:
496: $scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
497:
498: $scrout.=
499: '<p><b>Abstract:</b><br><textarea cols=80 rows=5 name=abstract>'.
500: $metadatafields{'abstract'}.'</textarea>';
501:
502: $source=~/\.(\w+)$/;
503:
504: $scrout.=&hiddenfield('mime',$1);
505:
506: $scrout.=&selectbox('Language','language',
507: $metadatafields{'language'},%language);
508:
509: unless ($metadatafields{'creationdate'}) {
510: $metadatafields{'creationdate'}=time;
511: }
512: $scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'});
513:
514: $scrout.=&hiddenfield('lastrevisiondate',time);
515:
516:
517: $scrout.=&textfield('Publisher/Owner','owner',
518: $metadatafields{'owner'});
519:
520: $scrout.=&selectbox('Copyright/Distribution','copyright',
521: $metadatafields{'copyright'},%cprtag);
522:
523: return $scrout.
524: '<p><input type="submit" value="Finalize Publication"></form>';
525: }
526:
527: # -------------------------------------------------------- Publication Step Two
528:
529: sub phasetwo {
530:
531: my ($source,$target,$style,$distarget)=@_;
532: my $logfile;
533: my $scrout='';
534:
535: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
536: return
537: '<font color=red>No write permission to user directory, FAIL</font>';
538: }
539: print $logfile
540: "\n================= Publish ".localtime()." Phase Two ================\n";
541:
542: %metadatafields=();
543: %metadatakeys=();
544:
545: &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
546:
547: $metadatafields{'title'}=$ENV{'form.title'};
548: $metadatafields{'author'}=$ENV{'form.author'};
549: $metadatafields{'subject'}=$ENV{'form.subject'};
550: $metadatafields{'notes'}=$ENV{'form.notes'};
551: $metadatafields{'abstract'}=$ENV{'form.abstract'};
552: $metadatafields{'mime'}=$ENV{'form.mime'};
553: $metadatafields{'language'}=$ENV{'form.language'};
554: $metadatafields{'creationdate'}=$ENV{'form.creationdate'};
555: $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'};
556: $metadatafields{'owner'}=$ENV{'form.owner'};
557: $metadatafields{'copyright'}=$ENV{'form.copyright'};
558:
559: my $allkeywords=$ENV{'form.addkey'};
560: map {
561: if ($_=~/^form\.key\.(\w+)/) {
562: $allkeywords.=','.$1;
563: }
564: } keys %ENV;
565: $allkeywords=~s/\W+/\,/;
566: $allkeywords=~s/^\,//;
567: $metadatafields{'keywords'}=$allkeywords;
568:
569: {
570: print $logfile "\nWrite metadata file for ".$source;
571: my $mfh;
572: unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
573: return
574: '<font color=red>Could not write metadata, FAIL</font>';
575: }
576: map {
577: unless ($_=~/\./) {
578: my $unikey=$_;
579: $unikey=~/^([A-Za-z]+)/;
580: my $tag=$1;
581: $tag=~tr/A-Z/a-z/;
582: print $mfh "\n\<$tag";
583: map {
584: my $value=$metadatafields{$unikey.'.'.$_};
585: $value=~s/\"/\'\'/g;
586: print $mfh ' '.$_.'="'.$value.'"';
587: } split(/\,/,$metadatakeys{$unikey});
588: print $mfh '>'.$metadatafields{$unikey}.'</'.$tag.'>';
589: }
590: } sort keys %metadatafields;
591: $scrout.='<p>Wrote Metadata';
592: print $logfile "\nWrote metadata";
593: }
594:
595: # -------------------------------- Synchronize entry with SQL metadata database
596: my %perlvar;
597: open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf";
598: my $configline;
599: while ($configline=<CONFIG>) {
600: if ($configline =~ /PerlSetVar/) {
601: my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);
602: chomp($varvalue);
603: $perlvar{$varname}=$varvalue;
604: }
605: }
606: close(CONFIG);
607:
608: my $warning;
609: my $dbh;
610: {
611: unless (
612: $dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
613: ) {
614: $warning='<font color=red>WARNING: Cannot connect to '.
615: 'database!</font>';
616: }
617: else {
618: my %sqldatafields;
619: $sqldatafields{'url'}=$distarget;
620: my $sth=$dbh->prepare(
621: 'delete from metadata where url like binary'.
622: '"'.$sqldatafields{'url'}.'"');
623: $sth->execute();
624: map {my $field=$metadatafields{$_}; $field=~s/\"/\'\'/g;
625: $sqldatafields{$_}=$field;}
626: ('title','author','subject','keywords','notes','abstract',
627: 'mime','language','creationdate','lastrevisiondate','owner',
628: 'copyright');
629:
630: $sth=$dbh->prepare('insert into metadata values ('.
631: '"'.delete($sqldatafields{'title'}).'"'.','.
632: '"'.delete($sqldatafields{'author'}).'"'.','.
633: '"'.delete($sqldatafields{'subject'}).'"'.','.
634: '"'.delete($sqldatafields{'url'}).'"'.','.
635: '"'.delete($sqldatafields{'keywords'}).'"'.','.
636: '"'.'current'.'"'.','.
637: '"'.delete($sqldatafields{'notes'}).'"'.','.
638: '"'.delete($sqldatafields{'abstract'}).'"'.','.
639: '"'.delete($sqldatafields{'mime'}).'"'.','.
640: '"'.delete($sqldatafields{'language'}).'"'.','.
641: '"'.
642: sqltime(delete($sqldatafields{'creationdate'}))
643: .'"'.','.
644: '"'.
645: sqltime(delete(
646: $sqldatafields{'lastrevisiondate'})).'"'.','.
647: '"'.delete($sqldatafields{'owner'}).'"'.','.
648: '"'.delete(
649: $sqldatafields{'copyright'}).'"'.')');
650: $sth->execute();
651: $dbh->disconnect;
652: $scrout.='<p>Synchronized SQL metadata database';
653: print $logfile "\nSynchronized SQL metadata database";
654: }
655: }
656:
657:
658: # ----------------------------------------------------------- Copy old versions
659:
660: if (-e $target) {
661: my $filename;
662: my $maxversion=0;
663: $target=~/(.*)\/([^\/]+)\.(\w+)$/;
664: my $srcf=$2;
665: my $srct=$3;
666: my $srcd=$1;
667: unless ($srcd=~/^\/home\/httpd\/html\/res/) {
668: print $logfile "\nPANIC: Target dir is ".$srcd;
669: return "<font color=red>Invalid target directory, FAIL</font>";
670: }
671: opendir(DIR,$srcd);
672: while ($filename=readdir(DIR)) {
673: if ($filename=~/$srcf\.(\d+)\.$srct$/) {
674: $maxversion=($1>$maxversion)?$1:$maxversion;
675: }
676: }
677: closedir(DIR);
678: $maxversion++;
679: $scrout.='<p>Creating old version '.$maxversion;
680: print $logfile "\nCreating old version ".$maxversion;
681:
682: my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
683:
684: if (copy($target,$copyfile)) {
685: print $logfile "Copied old target to ".$copyfile."\n";
686: $scrout.='<p>Copied old target file';
687: } else {
688: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
689: return "<font color=red>Failed to copy old target, $!, FAIL</font>";
690: }
691:
692: # --------------------------------------------------------------- Copy Metadata
693:
694: $copyfile=$copyfile.'.meta';
695:
696: if (copy($target.'.meta',$copyfile)) {
697: print $logfile "Copied old target metadata to ".$copyfile."\n";
698: $scrout.='<p>Copied old metadata';
699: } else {
700: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
701: if (-e $target.'.meta') {
702: return
703: "<font color=red>Failed to write old metadata copy, $!, FAIL</font>";
704: }
705: }
706:
707:
708: } else {
709: $scrout.='<p>Initial version';
710: print $logfile "\nInitial version";
711: }
712:
713: # ---------------------------------------------------------------- Write Source
714: my $copyfile=$target;
715:
716: my @parts=split(/\//,$copyfile);
717: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
718:
719: my $count;
720: for ($count=5;$count<$#parts;$count++) {
721: $path.="/$parts[$count]";
722: if ((-e $path)!=1) {
723: print $logfile "\nCreating directory ".$path;
724: $scrout.='<p>Created directory '.$parts[$count];
725: mkdir($path,0777);
726: }
727: }
728:
729: if (copy($source,$copyfile)) {
730: print $logfile "Copied original source to ".$copyfile."\n";
731: $scrout.='<p>Copied source file';
732: } else {
733: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
734: return "<font color=red>Failed to copy source, $!, FAIL</font>";
735: }
736:
737: # --------------------------------------------------------------- Copy Metadata
738:
739: $copyfile=$copyfile.'.meta';
740:
741: if (copy($source.'.meta',$copyfile)) {
742: print $logfile "Copied original metadata to ".$copyfile."\n";
743: $scrout.='<p>Copied metadata';
744: } else {
745: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
746: return
747: "<font color=red>Failed to write metadata copy, $!, FAIL</font>";
748: }
749:
750: # --------------------------------------------------- Send update notifications
751:
752: {
753:
754: my $filename;
755:
756: $target=~/(.*)\/([^\/]+)$/;
757: my $srcf=$2;
758: opendir(DIR,$1);
759: while ($filename=readdir(DIR)) {
760: if ($filename=~/$srcf\.(\w+)$/) {
761: my $subhost=$1;
762: if ($subhost ne 'meta') {
763: $scrout.='<p>Notifying host '.$subhost.':';
764: print $logfile "\nNotifying host '.$subhost.':'";
765: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
766: $scrout.=$reply;
767: print $logfile $reply;
768: }
769: }
770: }
771: closedir(DIR);
772:
773: }
774:
775: # ---------------------------------------- Send update notifications, meta only
776:
777: {
778:
779: my $filename;
780:
781: $target=~/(.*)\/([^\/]+)$/;
782: my $srcf=$2.'.meta';
783: opendir(DIR,$1);
784: while ($filename=readdir(DIR)) {
785: if ($filename=~/$srcf\.(\w+)$/) {
786: my $subhost=$1;
787: if ($subhost ne 'meta') {
788: $scrout.=
789: '<p>Notifying host for metadata only '.$subhost.':';
790: print $logfile
791: "\nNotifying host for metadata only '.$subhost.':'";
792: my $reply=&Apache::lonnet::critical(
793: 'update:'.$target.'.meta',$subhost);
794: $scrout.=$reply;
795: print $logfile $reply;
796: }
797: }
798: }
799: closedir(DIR);
800:
801: }
802:
803: # ------------------------------------------------ Provide link to new resource
804:
805: my $thisdistarget=$target;
806: $thisdistarget=~s/^$docroot//;
807:
808: my $thissrc=$source;
809: $thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/;
810:
811: my $thissrcdir=$thissrc;
812: $thissrcdir=~s/\/[^\/]+$/\//;
813:
814:
815: return $warning.$scrout.
816: '<hr><a href="'.$thisdistarget.'"><font size=+2>View Target</font></a>'.
817: '<p><a href="'.$thissrc.'"><font size=+2>Back to Source</font></a>'.
818: '<p><a href="'.$thissrcdir.
819: '"><font size=+2>Back to Source Directory</font></a>';
820:
821: }
822:
823: # ================================================================ Main Handler
824:
825: sub handler {
826: my $r=shift;
827:
828: if ($r->header_only) {
829: $r->content_type('text/html');
830: $r->send_http_header;
831: return OK;
832: }
833:
834: # -------------------------------------------------------------- Check filename
835:
836: my $fn=$ENV{'form.filename'};
837:
838:
839: unless ($fn) {
840: $r->log_reason($cuname.' at '.$cudom.
841: ' trying to publish empty filename', $r->filename);
842: return HTTP_NOT_FOUND;
843: }
844:
845: ($cuname,$cudom)=
846: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
847: unless (($cuname) && ($cudom)) {
848: $r->log_reason($cuname.' at '.$cudom.
849: ' trying to publish file '.$ENV{'form.filename'}.
850: ' ('.$fn.') - not authorized',
851: $r->filename);
852: return HTTP_NOT_ACCEPTABLE;
853: }
854:
855: unless (&Apache::lonnet::homeserver($cuname,$cudom)
856: eq $r->dir_config('lonHostID')) {
857: $r->log_reason($cuname.' at '.$cudom.
858: ' trying to publish file '.$ENV{'form.filename'}.
859: ' ('.$fn.') - not homeserver ('.
860: &Apache::lonnet::homeserver($cuname,$cudom).')',
861: $r->filename);
862: return HTTP_NOT_ACCEPTABLE;
863: }
864:
865: $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;
866:
867: my $targetdir='';
868: $docroot=$r->dir_config('lonDocRoot');
869: if ($1 ne $cuname) {
870: $r->log_reason($cuname.' at '.$cudom.
871: ' trying to publish unowned file '.$ENV{'form.filename'}.
872: ' ('.$fn.')',
873: $r->filename);
874: return HTTP_NOT_ACCEPTABLE;
875: } else {
876: $targetdir=$docroot.'/res/'.$cudom;
877: }
878:
879:
880: unless (-e $fn) {
881: $r->log_reason($cuname.' at '.$cudom.
882: ' trying to publish non-existing file '.$ENV{'form.filename'}.
883: ' ('.$fn.')',
884: $r->filename);
885: return HTTP_NOT_FOUND;
886: }
887:
888: unless ($ENV{'form.phase'} eq 'two') {
889:
890: # --------------------------------- File is there and owned, init lookup tables
891:
892: %addid=();
893:
894: {
895: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
896: while (<$fh>=~/(\w+)\s+(\w+)/) {
897: $addid{$1}=$2;
898: }
899: }
900:
901: %nokey=();
902:
903: {
904: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
905: map {
906: my $word=$_;
907: chomp($word);
908: $nokey{$word}=1;
909: } <$fh>;
910: }
911:
912: %language=();
913:
914: {
915: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/language.tab');
916: map {
917: $_=~/(\w+)\s+([\w\s\-]+)/;
918: $language{$1}=$2;
919: } <$fh>;
920: }
921:
922: %cprtag=();
923:
924: {
925: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/copyright.tab');
926: map {
927: $_=~/(\w+)\s+([\w\s\-]+)/;
928: $cprtag{$1}=$2;
929: } <$fh>;
930: }
931:
932: }
933:
934: # ----------------------------------------------------------- Start page output
935:
936: $r->content_type('text/html');
937: $r->send_http_header;
938:
939: $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
940: $r->print(
941: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
942: my $thisfn=$fn;
943:
944: # ------------------------------------------------------------- Individual file
945: {
946: $thisfn=~/\.(\w+)$/;
947: my $thistype=$1;
948: my $thisembstyle=&Apache::lonnet::fileembstyle($thistype);
949:
950: my $thistarget=$thisfn;
951:
952: $thistarget=~s/^\/home/$targetdir/;
953: $thistarget=~s/\/public\_html//;
954:
955: my $thisdistarget=$thistarget;
956: $thisdistarget=~s/^$docroot//;
957:
958: my $thisdisfn=$thisfn;
959: $thisdisfn=~s/^\/home\/$cuname\/public_html\///;
960:
961: $r->print('<h2>Publishing '.
962: &Apache::lonnet::filedescription($thistype).' <tt>'.
963: $thisdisfn.'</tt></h2><b>Target:</b> <tt>'.$thisdistarget.'</tt><p>');
964:
965: if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
966: $r->print('<h3><font color=red>Co-Author: '.$cuname.' at '.$cudom.
967: '</font></h3>');
968: }
969:
970: if (&Apache::lonnet::fileembstyle($thistype) eq 'ssi') {
971: $r->print('<br><a href="/adm/diff?filename=/~'.$cuname.'/'.
972: $thisdisfn.
973: '&versionone=priv" target=cat>Diffs with Current Version</a><p>');
974: }
975:
976: # ------------ We are publishing from $thisfn to $thistarget with $thisembstyle
977:
978: unless ($ENV{'form.phase'} eq 'two') {
979: $r->print(
980: '<hr>'.&publish($thisfn,$thistarget,$thisembstyle));
981: } else {
982: $r->print(
983: '<hr>'.&phasetwo($thisfn,$thistarget,$thisembstyle,$thisdistarget));
984: }
985:
986: }
987: $r->print('</body></html>');
988:
989: return OK;
990: }
991:
992: 1;
993: __END__
994:
995:
996:
997:
998:
999:
1000:
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