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