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: # 06/23,08/07,08/11,8/13,8/17,8/18,8/24,9/26 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: ($newentry eq '')) {
76: $metadatafields{$unikey}.=', '.$newentry;
77: }
78: } else {
79: $metadatafields{$unikey}=$parser->get_text('/'.$entry);
80: }
81: }
82: }
83: }
84:
85: # -------------------------------------------------------- Read a metadata file
86:
87: sub metaread {
88: my ($logfile,$fn)=@_;
89: unless (-e $fn) {
90: print $logfile 'No file '.$fn."\n";
91: return '<br><b>No file:</b> <tt>'.$fn.'</tt>';
92: }
93: print $logfile 'Processing '.$fn."\n";
94: my $metastring;
95: {
96: my $metafh=Apache::File->new($fn);
97: $metastring=join('',<$metafh>);
98: }
99: &metaeval($metastring);
100: return '<br><b>Processed file:</b> <tt>'.$fn.'</tt>';
101: }
102:
103: # ---------------------------- convert 'time' format into a datetime sql format
104: sub sqltime {
105: my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
106: localtime(@_[0]);
107: $mon++; $year+=1900;
108: return "$year-$mon-$mday $hour:$min:$sec";
109: }
110:
111: # --------------------------------------------------------- Various form fields
112:
113: sub textfield {
114: my ($title,$name,$value)=@_;
115: return "\n<p><b>$title:</b><br>".
116: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
117: }
118:
119: sub hiddenfield {
120: my ($name,$value)=@_;
121: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
122: }
123:
124: sub selectbox {
125: my ($title,$name,$value,%options)=@_;
126: my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
127: map {
128: $selout.='<option value="'.$_.'"';
129: if ($_ eq $value) { $selout.=' selected'; }
130: $selout.='>'.$options{$_}.'</option>';
131: } sort keys %options;
132: return $selout.'</select>';
133: }
134:
135: # -------------------------------------------------------- Publication Step One
136:
137: sub urlfixup {
138: my ($url,$target)=@_;
139: unless ($url) { return ''; }
140: my ($host)=($url=~/(?:http\:\/\/)*([^\/]+)/);
141: map {
142: if ($_ eq $host) {
143: $url=~s/^http\:\/\///;
144: $url=~s/^$host//;
145: }
146: } values %Apache::lonnet::hostname;
147: if ($url=~/^http\:\/\//) { return $url; }
148: $url=~s/\~$cuname/res\/$cudom\/$cuname/;
149: if ($target) {
150: $target=~s/\/[^\/]+$//;
151: $url=&Apache::lonnet::hreflocation($target,$url);
152: }
153: return $url;
154: }
155:
156: sub publish {
157: my ($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','background');
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->[1].'>';
312: }
313: } else {
314: $outstring.=$token->[1];
315: }
316: }
317: # ------------------------------------------------------------ Construct Allows
318: unless ($style eq 'rat') {
319: $scrout.='<h3>Dependencies</h3>';
320: my $allowstr="\n";
321: map {
322: $allowstr.='<allow src="'.$_.'" />'."\n";
323: $scrout.='<br>';
324: unless ($_=~/\*/) {
325: $scrout.='<a href="'.$_.'">';
326: }
327: $scrout.='<tt>'.$_.'</tt>';
328: unless ($_=~/\*/) {
329: $scrout.='</a>';
330: }
331: } keys %allow;
332: $outstring=~s/(\<\/[^\>]+\>\s*)$/$allowstr$1/s;
333: }
334: # ------------------------------------------------------------- Write modified
335:
336: {
337: my $org;
338: unless ($org=Apache::File->new('>'.$source)) {
339: print $logfile "No write permit to $source\n";
340: return
341: "<font color=red>No write permission to $source, FAIL</font>";
342: }
343: print $org $outstring;
344: }
345: $content=$outstring;
346:
347: if ($needsfixup) {
348: print $logfile "End of ID and/or index fixup\n".
349: "Max ID : $maxid (min 10)\n".
350: "Max Index: $maxindex (min 10)\n";
351: } else {
352: print $logfile "Does not need ID and/or index fixup\n";
353: }
354: }
355: # --------------------------------------------- Initial step done, now metadata
356:
357: # ---------------------------------------- Storage for metadata keys and fields
358:
359: %metadatafields=();
360: %metadatakeys=();
361:
362: my %oldparmstores=();
363:
364: $scrout.='<h3>Metadata Information</h3>';
365:
366: # ------------------------------------------------ First, check out environment
367: unless (-e $source.'.meta') {
368: $metadatafields{'author'}=$ENV{'environment.firstname'}.' '.
369: $ENV{'environment.middlename'}.' '.
370: $ENV{'environment.lastname'}.' '.
371: $ENV{'environment.generation'};
372: $metadatafields{'author'}=~s/\s+/ /g;
373: $metadatafields{'author'}=~s/\s+$//;
374: $metadatafields{'owner'}=$cuname.'@'.$cudom;
375:
376: # ------------------------------------------------ Check out directory hierachy
377:
378: my $thisdisfn=$source;
379: $thisdisfn=~s/^\/home\/$cuname\///;
380:
381: my @urlparts=split(/\//,$thisdisfn);
382: $#urlparts--;
383:
384: my $currentpath='/home/'.$cuname.'/';
385:
386: map {
387: $currentpath.=$_.'/';
388: $scrout.=&metaread($logfile,$currentpath.'default.meta');
389: } @urlparts;
390:
391: # ------------------- Clear out parameters and stores (there should not be any)
392:
393: map {
394: if (($_=~/^parameter/) || ($_=~/^stores/)) {
395: delete $metadatafields{$_};
396: }
397: } keys %metadatafields;
398:
399: } else {
400: # ---------------------- Read previous metafile, remember parameters and stores
401:
402: $scrout.=&metaread($logfile,$source.'.meta');
403:
404: map {
405: if (($_=~/^parameter/) || ($_=~/^stores/)) {
406: $oldparmstores{$_}=1;
407: delete $metadatafields{$_};
408: }
409: } keys %metadatafields;
410:
411: }
412:
413: # -------------------------------------------------- Parse content for metadata
414: if ($style eq 'ssi') {
415: my $oldenv=$ENV{'request.uri'};
416:
417: $ENV{'request.uri'}=$target;
418: $allmeta=Apache::lonxml::xmlparse('meta',$content);
419: $ENV{'request.uri'}=$oldenv;
420:
421: &metaeval($allmeta);
422: }
423: # ---------------- Find and document discrepancies in the parameters and stores
424:
425: my $chparms='';
426: map {
427: if (($_=~/^parameter/) || ($_=~/^stores/)) {
428: unless ($_=~/\.\w+$/) {
429: unless ($oldparmstores{$_}) {
430: print $logfile 'New: '.$_."\n";
431: $chparms.=$_.' ';
432: }
433: }
434: }
435: } sort keys %metadatafields;
436: if ($chparms) {
437: $scrout.='<p><b>New parameters or stored values:</b> '.
438: $chparms;
439: }
440:
441: my $chparms='';
442: map {
443: if (($_=~/^parameter/) || ($_=~/^stores/)) {
444: unless (($metadatafields{$_.'.name'}) ||
445: ($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) {
446: print $logfile 'Obsolete: '.$_."\n";
447: $chparms.=$_.' ';
448: }
449: }
450: } sort keys %oldparmstores;
451: if ($chparms) {
452: $scrout.='<p><b>Obsolete parameters or stored values:</b> '.
453: $chparms;
454: }
455:
456: # ------------------------------------------------------- Now have all metadata
457:
458: $scrout.=
459: '<form action="/adm/publish" method="post">'.
460: &hiddenfield('phase','two').
461: &hiddenfield('filename',$ENV{'form.filename'}).
462: &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
463: &textfield('Title','title',$metadatafields{'title'}).
464: &textfield('Author(s)','author',$metadatafields{'author'}).
465: &textfield('Subject','subject',$metadatafields{'subject'});
466:
467: # --------------------------------------------------- Scan content for keywords
468:
469: my $keywordout='<p><b>Keywords:</b><br><table border=2><tr>';
470: my $colcount=0;
471:
472: {
473: my $textonly=$content;
474: $textonly=~s/\<script[^\<]+\<\/script\>//g;
475: $textonly=~s/\<m\>[^\<]+\<\/m\>//g;
476: $textonly=~s/\<[^\>]*\>//g;
477: $textonly=~tr/A-Z/a-z/;
478: $textonly=~s/[\$\&][a-z]\w*//g;
479: $textonly=~s/[^a-z\s]//g;
480:
481: my %keywords=();
482: my $j=0;
483: my $word;
484: for (my $i=0; $i<length($textonly); $i++) {
485: my $ch.=substr($textonly,$i,1);
486: if ($ch=~/\s/) {
487: if (length($word)) {
488: unless ($nokey{$word}) {
489: $keywords{$word}=1;
490: }
491: }
492: $word='';
493: }
494: else {
495: $word.=$ch;
496: }
497: # map {
498: # unless ($nokey{$_}) {
499: # $keywords{$_}=1;
500: # }
501: # } ($textonly=~m/(\w+)/g);
502: }
503:
504: my $sizkeys=scalar(keys %keywords); # use this value at some point
505: map {
506: $keywords{$_}=1;
507: } split(/\W+/,$metadatafields{'keywords'});
508:
509: map {
510: $keywordout.='<td><input type=checkbox name="key.'.$_.'"';
511: if ($metadatafields{'keywords'}=~/$_/) {
512: $keywordout.=' checked';
513: }
514: $keywordout.='>'.$_.'</td>';
515: if ($colcount>10) {
516: $keywordout.="</tr><tr>\n";
517: $colcount=0;
518: }
519: $colcount++;
520: } sort keys %keywords;
521: $keywordout.='</tr></table>';
522:
523: }
524: $scrout.=$keywordout;
525:
526: $scrout.=&textfield('Additional Keywords','addkey','');
527:
528: $scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
529:
530: $scrout.=
531: '<p><b>Abstract:</b><br><textarea cols=80 rows=5 name=abstract>'.
532: $metadatafields{'abstract'}.'</textarea>';
533:
534: $source=~/\.(\w+)$/;
535:
536: $scrout.=&hiddenfield('mime',$1);
537:
538: $scrout.=&selectbox('Language','language',
539: $metadatafields{'language'},%language);
540:
541: unless ($metadatafields{'creationdate'}) {
542: $metadatafields{'creationdate'}=time;
543: }
544: $scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'});
545:
546: $scrout.=&hiddenfield('lastrevisiondate',time);
547:
548:
549: $scrout.=&textfield('Publisher/Owner','owner',
550: $metadatafields{'owner'});
551: # --------------------------------------------------- Correct copyright for rat
552: if ($style eq 'rat') {
553: if ($metadatafields{'copyright'} eq 'public') {
554: delete $metadatafields{'copyright'};
555: }
556: delete $cprtag{'public'};
557: }
558:
559: $scrout.=&selectbox('Copyright/Distribution','copyright',
560: $metadatafields{'copyright'},%cprtag);
561:
562: return $scrout.
563: '<p><input type="submit" value="Finalize Publication"></form>';
564: }
565:
566: # -------------------------------------------------------- Publication Step Two
567:
568: sub phasetwo {
569:
570: my ($source,$target,$style,$distarget)=@_;
571: my $logfile;
572: my $scrout='';
573:
574: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
575: return
576: '<font color=red>No write permission to user directory, FAIL</font>';
577: }
578: print $logfile
579: "\n================= Publish ".localtime()." Phase Two ================\n";
580:
581: %metadatafields=();
582: %metadatakeys=();
583:
584: &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
585:
586: $metadatafields{'title'}=$ENV{'form.title'};
587: $metadatafields{'author'}=$ENV{'form.author'};
588: $metadatafields{'subject'}=$ENV{'form.subject'};
589: $metadatafields{'notes'}=$ENV{'form.notes'};
590: $metadatafields{'abstract'}=$ENV{'form.abstract'};
591: $metadatafields{'mime'}=$ENV{'form.mime'};
592: $metadatafields{'language'}=$ENV{'form.language'};
593: $metadatafields{'creationdate'}=$ENV{'form.creationdate'};
594: $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'};
595: $metadatafields{'owner'}=$ENV{'form.owner'};
596: $metadatafields{'copyright'}=$ENV{'form.copyright'};
597:
598: my $allkeywords=$ENV{'form.addkey'};
599: map {
600: if ($_=~/^form\.key\.(\w+)/) {
601: $allkeywords.=','.$1;
602: }
603: } keys %ENV;
604: $allkeywords=~s/\W+/\,/;
605: $allkeywords=~s/^\,//;
606: $metadatafields{'keywords'}=$allkeywords;
607:
608: {
609: print $logfile "\nWrite metadata file for ".$source;
610: my $mfh;
611: unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
612: return
613: '<font color=red>Could not write metadata, FAIL</font>';
614: }
615: map {
616: unless ($_=~/\./) {
617: my $unikey=$_;
618: $unikey=~/^([A-Za-z]+)/;
619: my $tag=$1;
620: $tag=~tr/A-Z/a-z/;
621: print $mfh "\n\<$tag";
622: map {
623: my $value=$metadatafields{$unikey.'.'.$_};
624: $value=~s/\"/\'\'/g;
625: print $mfh ' '.$_.'="'.$value.'"';
626: } split(/\,/,$metadatakeys{$unikey});
627: print $mfh '>'.$metadatafields{$unikey}.'</'.$tag.'>';
628: }
629: } sort keys %metadatafields;
630: $scrout.='<p>Wrote Metadata';
631: print $logfile "\nWrote metadata";
632: }
633:
634: # -------------------------------- Synchronize entry with SQL metadata database
635: my %perlvar;
636: open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf";
637: my $configline;
638: while ($configline=<CONFIG>) {
639: if ($configline =~ /PerlSetVar/) {
640: my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);
641: chomp($varvalue);
642: $perlvar{$varname}=$varvalue;
643: }
644: }
645: close(CONFIG);
646:
647: my $warning;
648: my $dbh;
649: {
650: unless (
651: $dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
652: ) {
653: $warning='<font color=red>WARNING: Cannot connect to '.
654: 'database!</font>';
655: }
656: else {
657: my %sqldatafields;
658: $sqldatafields{'url'}=$distarget;
659: my $sth=$dbh->prepare(
660: 'delete from metadata where url like binary'.
661: '"'.$sqldatafields{'url'}.'"');
662: $sth->execute();
663: map {my $field=$metadatafields{$_}; $field=~s/\"/\'\'/g;
664: $sqldatafields{$_}=$field;}
665: ('title','author','subject','keywords','notes','abstract',
666: 'mime','language','creationdate','lastrevisiondate','owner',
667: 'copyright');
668:
669: $sth=$dbh->prepare('insert into metadata values ('.
670: '"'.delete($sqldatafields{'title'}).'"'.','.
671: '"'.delete($sqldatafields{'author'}).'"'.','.
672: '"'.delete($sqldatafields{'subject'}).'"'.','.
673: '"'.delete($sqldatafields{'url'}).'"'.','.
674: '"'.delete($sqldatafields{'keywords'}).'"'.','.
675: '"'.'current'.'"'.','.
676: '"'.delete($sqldatafields{'notes'}).'"'.','.
677: '"'.delete($sqldatafields{'abstract'}).'"'.','.
678: '"'.delete($sqldatafields{'mime'}).'"'.','.
679: '"'.delete($sqldatafields{'language'}).'"'.','.
680: '"'.
681: sqltime(delete($sqldatafields{'creationdate'}))
682: .'"'.','.
683: '"'.
684: sqltime(delete(
685: $sqldatafields{'lastrevisiondate'})).'"'.','.
686: '"'.delete($sqldatafields{'owner'}).'"'.','.
687: '"'.delete(
688: $sqldatafields{'copyright'}).'"'.')');
689: $sth->execute();
690: $dbh->disconnect;
691: $scrout.='<p>Synchronized SQL metadata database';
692: print $logfile "\nSynchronized SQL metadata database";
693: }
694: }
695:
696:
697: # ----------------------------------------------------------- Copy old versions
698:
699: if (-e $target) {
700: my $filename;
701: my $maxversion=0;
702: $target=~/(.*)\/([^\/]+)\.(\w+)$/;
703: my $srcf=$2;
704: my $srct=$3;
705: my $srcd=$1;
706: unless ($srcd=~/^\/home\/httpd\/html\/res/) {
707: print $logfile "\nPANIC: Target dir is ".$srcd;
708: return "<font color=red>Invalid target directory, FAIL</font>";
709: }
710: opendir(DIR,$srcd);
711: while ($filename=readdir(DIR)) {
712: if ($filename=~/$srcf\.(\d+)\.$srct$/) {
713: $maxversion=($1>$maxversion)?$1:$maxversion;
714: }
715: }
716: closedir(DIR);
717: $maxversion++;
718: $scrout.='<p>Creating old version '.$maxversion;
719: print $logfile "\nCreating old version ".$maxversion;
720:
721: my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
722:
723: if (copy($target,$copyfile)) {
724: print $logfile "Copied old target to ".$copyfile."\n";
725: $scrout.='<p>Copied old target file';
726: } else {
727: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
728: return "<font color=red>Failed to copy old target, $!, FAIL</font>";
729: }
730:
731: # --------------------------------------------------------------- Copy Metadata
732:
733: $copyfile=$copyfile.'.meta';
734:
735: if (copy($target.'.meta',$copyfile)) {
736: print $logfile "Copied old target metadata to ".$copyfile."\n";
737: $scrout.='<p>Copied old metadata';
738: } else {
739: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
740: if (-e $target.'.meta') {
741: return
742: "<font color=red>Failed to write old metadata copy, $!, FAIL</font>";
743: }
744: }
745:
746:
747: } else {
748: $scrout.='<p>Initial version';
749: print $logfile "\nInitial version";
750: }
751:
752: # ---------------------------------------------------------------- Write Source
753: my $copyfile=$target;
754:
755: my @parts=split(/\//,$copyfile);
756: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
757:
758: my $count;
759: for ($count=5;$count<$#parts;$count++) {
760: $path.="/$parts[$count]";
761: if ((-e $path)!=1) {
762: print $logfile "\nCreating directory ".$path;
763: $scrout.='<p>Created directory '.$parts[$count];
764: mkdir($path,0777);
765: }
766: }
767:
768: if (copy($source,$copyfile)) {
769: print $logfile "Copied original source to ".$copyfile."\n";
770: $scrout.='<p>Copied source file';
771: } else {
772: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
773: return "<font color=red>Failed to copy source, $!, FAIL</font>";
774: }
775:
776: # --------------------------------------------------------------- Copy Metadata
777:
778: $copyfile=$copyfile.'.meta';
779:
780: if (copy($source.'.meta',$copyfile)) {
781: print $logfile "Copied original metadata to ".$copyfile."\n";
782: $scrout.='<p>Copied metadata';
783: } else {
784: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
785: return
786: "<font color=red>Failed to write metadata copy, $!, FAIL</font>";
787: }
788:
789: # --------------------------------------------------- Send update notifications
790:
791: {
792:
793: my $filename;
794:
795: $target=~/(.*)\/([^\/]+)$/;
796: my $srcf=$2;
797: opendir(DIR,$1);
798: while ($filename=readdir(DIR)) {
799: if ($filename=~/$srcf\.(\w+)$/) {
800: my $subhost=$1;
801: if ($subhost ne 'meta') {
802: $scrout.='<p>Notifying host '.$subhost.':';
803: print $logfile "\nNotifying host '.$subhost.':'";
804: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
805: $scrout.=$reply;
806: print $logfile $reply;
807: }
808: }
809: }
810: closedir(DIR);
811:
812: }
813:
814: # ---------------------------------------- Send update notifications, meta only
815:
816: {
817:
818: my $filename;
819:
820: $target=~/(.*)\/([^\/]+)$/;
821: my $srcf=$2.'.meta';
822: opendir(DIR,$1);
823: while ($filename=readdir(DIR)) {
824: if ($filename=~/$srcf\.(\w+)$/) {
825: my $subhost=$1;
826: if ($subhost ne 'meta') {
827: $scrout.=
828: '<p>Notifying host for metadata only '.$subhost.':';
829: print $logfile
830: "\nNotifying host for metadata only '.$subhost.':'";
831: my $reply=&Apache::lonnet::critical(
832: 'update:'.$target.'.meta',$subhost);
833: $scrout.=$reply;
834: print $logfile $reply;
835: }
836: }
837: }
838: closedir(DIR);
839:
840: }
841:
842: # ------------------------------------------------ Provide link to new resource
843:
844: my $thisdistarget=$target;
845: $thisdistarget=~s/^$docroot//;
846:
847: my $thissrc=$source;
848: $thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/;
849:
850: my $thissrcdir=$thissrc;
851: $thissrcdir=~s/\/[^\/]+$/\//;
852:
853:
854: return $warning.$scrout.
855: '<hr><a href="'.$thisdistarget.'"><font size=+2>View Target</font></a>'.
856: '<p><a href="'.$thissrc.'"><font size=+2>Back to Source</font></a>'.
857: '<p><a href="'.$thissrcdir.
858: '"><font size=+2>Back to Source Directory</font></a>';
859:
860: }
861:
862: # ================================================================ Main Handler
863:
864: sub handler {
865: my $r=shift;
866:
867: if ($r->header_only) {
868: $r->content_type('text/html');
869: $r->send_http_header;
870: return OK;
871: }
872:
873: # Get query string for limited number of parameters
874:
875: map {
876: my ($name, $value) = split(/=/,$_);
877: $value =~ tr/+/ /;
878: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
879: if ($name eq 'filename') {
880: unless ($ENV{'form.'.$name}) {
881: $ENV{'form.'.$name}=$value;
882: }
883: }
884: } (split(/&/,$ENV{'QUERY_STRING'}));
885:
886:
887: # -------------------------------------------------------------- Check filename
888:
889: my $fn=$ENV{'form.filename'};
890:
891:
892: unless ($fn) {
893: $r->log_reason($cuname.' at '.$cudom.
894: ' trying to publish empty filename', $r->filename);
895: return HTTP_NOT_FOUND;
896: }
897:
898: ($cuname,$cudom)=
899: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
900: unless (($cuname) && ($cudom)) {
901: $r->log_reason($cuname.' at '.$cudom.
902: ' trying to publish file '.$ENV{'form.filename'}.
903: ' ('.$fn.') - not authorized',
904: $r->filename);
905: return HTTP_NOT_ACCEPTABLE;
906: }
907:
908: unless (&Apache::lonnet::homeserver($cuname,$cudom)
909: eq $r->dir_config('lonHostID')) {
910: $r->log_reason($cuname.' at '.$cudom.
911: ' trying to publish file '.$ENV{'form.filename'}.
912: ' ('.$fn.') - not homeserver ('.
913: &Apache::lonnet::homeserver($cuname,$cudom).')',
914: $r->filename);
915: return HTTP_NOT_ACCEPTABLE;
916: }
917:
918: $fn=~s/^http\:\/\/[^\/]+//;
919: $fn=~s/^\/\~(\w+)/\/home\/$1\/public_html/;
920:
921: my $targetdir='';
922: $docroot=$r->dir_config('lonDocRoot');
923: if ($1 ne $cuname) {
924: $r->log_reason($cuname.' at '.$cudom.
925: ' trying to publish unowned file '.$ENV{'form.filename'}.
926: ' ('.$fn.')',
927: $r->filename);
928: return HTTP_NOT_ACCEPTABLE;
929: } else {
930: $targetdir=$docroot.'/res/'.$cudom;
931: }
932:
933:
934: unless (-e $fn) {
935: $r->log_reason($cuname.' at '.$cudom.
936: ' trying to publish non-existing file '.$ENV{'form.filename'}.
937: ' ('.$fn.')',
938: $r->filename);
939: return HTTP_NOT_FOUND;
940: }
941:
942: unless ($ENV{'form.phase'} eq 'two') {
943:
944: # --------------------------------- File is there and owned, init lookup tables
945:
946: %addid=();
947:
948: {
949: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
950: while (<$fh>=~/(\w+)\s+(\w+)/) {
951: $addid{$1}=$2;
952: }
953: }
954:
955: %nokey=();
956:
957: {
958: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
959: map {
960: my $word=$_;
961: chomp($word);
962: $nokey{$word}=1;
963: } <$fh>;
964: }
965:
966: %language=();
967:
968: {
969: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/language.tab');
970: map {
971: $_=~/(\w+)\s+([\w\s\-]+)/;
972: $language{$1}=$2;
973: } <$fh>;
974: }
975:
976: %cprtag=();
977:
978: {
979: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/copyright.tab');
980: map {
981: $_=~/(\w+)\s+([\w\s\-]+)/;
982: $cprtag{$1}=$2;
983: } <$fh>;
984: }
985:
986: }
987:
988: # ----------------------------------------------------------- Start page output
989:
990: $r->content_type('text/html');
991: $r->send_http_header;
992:
993: $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
994: $r->print(
995: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
996: my $thisfn=$fn;
997:
998: # ------------------------------------------------------------- Individual file
999: {
1000: $thisfn=~/\.(\w+)$/;
1001: my $thistype=$1;
1002: my $thisembstyle=&Apache::lonnet::fileembstyle($thistype);
1003:
1004: my $thistarget=$thisfn;
1005:
1006: $thistarget=~s/^\/home/$targetdir/;
1007: $thistarget=~s/\/public\_html//;
1008:
1009: my $thisdistarget=$thistarget;
1010: $thisdistarget=~s/^$docroot//;
1011:
1012: my $thisdisfn=$thisfn;
1013: $thisdisfn=~s/^\/home\/$cuname\/public_html\///;
1014:
1015: $r->print('<h2>Publishing '.
1016: &Apache::lonnet::filedescription($thistype).' <tt>'.
1017: $thisdisfn.'</tt></h2><b>Target:</b> <tt>'.$thisdistarget.'</tt><p>');
1018:
1019: if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
1020: $r->print('<h3><font color=red>Co-Author: '.$cuname.' at '.$cudom.
1021: '</font></h3>');
1022: }
1023:
1024: if (&Apache::lonnet::fileembstyle($thistype) eq 'ssi') {
1025: $r->print('<br><a href="/adm/diff?filename=/~'.$cuname.'/'.
1026: $thisdisfn.
1027: '&versionone=priv" target=cat>Diffs with Current Version</a><p>');
1028: }
1029:
1030: # ------------ We are publishing from $thisfn to $thistarget with $thisembstyle
1031:
1032: unless ($ENV{'form.phase'} eq 'two') {
1033: $r->print(
1034: '<hr>'.&publish($thisfn,$thistarget,$thisembstyle));
1035: } else {
1036: $r->print(
1037: '<hr>'.&phasetwo($thisfn,$thistarget,$thisembstyle,$thisdistarget));
1038: }
1039:
1040: }
1041: $r->print('</body></html>');
1042:
1043: return OK;
1044: }
1045:
1046: 1;
1047: __END__
1048:
1049:
1050:
1051:
1052:
1053:
1054:
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