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: # 06/23,08/07,08/11,8/13,8/17,8/18,8/24,9/26,10/16 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 $url;
154: }
155:
156: sub publish {
157:
158: my ($source,$target,$style)=@_;
159: my $logfile;
160: my $scrout='';
161: my $allmeta='';
162: my $content='';
163: my %allow=();
164: undef %allow;
165:
166: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
167: return
168: '<font color=red>No write permission to user directory, FAIL</font>';
169: }
170: print $logfile
171: "\n\n================= Publish ".localtime()." Phase One ================\n";
172:
173: if (($style eq 'ssi') || ($style eq 'rat')) {
174: # ------------------------------------------------------- This needs processing
175:
176: # ----------------------------------------------------------------- Backup Copy
177: my $copyfile=$source.'.save';
178: if (copy($source,$copyfile)) {
179: print $logfile "Copied original file to ".$copyfile."\n";
180: } else {
181: print $logfile "Unable to write backup ".$copyfile.':'.$!."\n";
182: return "<font color=red>Failed to write backup copy, $!,FAIL</font>";
183: }
184: # ------------------------------------------------------------- IDs and indices
185:
186: my $maxindex=10;
187: my $maxid=10;
188:
189: my $needsfixup=0;
190:
191: {
192: my $org=Apache::File->new($source);
193: $content=join('',<$org>);
194: }
195: {
196: my $parser=HTML::TokeParser->new(\$content);
197: my $token;
198: while ($token=$parser->get_token) {
199: if ($token->[0] eq 'S') {
200: my $counter;
201: if ($counter=$addid{$token->[1]}) {
202: if ($counter eq 'id') {
203: if (defined($token->[2]->{'id'})) {
204: $maxid=
205: ($token->[2]->{'id'}>$maxid)?$token->[2]->{'id'}:$maxid;
206: } else {
207: $needsfixup=1;
208: }
209: } else {
210: if (defined($token->[2]->{'index'})) {
211: $maxindex=
212: ($token->[2]->{'index'}>$maxindex)?$token->[2]->{'index'}:$maxindex;
213: } else {
214: $needsfixup=1;
215: }
216: }
217: }
218: }
219: }
220: }
221: if ($needsfixup) {
222: print $logfile "Needs ID and/or index fixup\n".
223: "Max ID : $maxid (min 10)\n".
224: "Max Index: $maxindex (min 10)\n";
225: }
226: my $outstring='';
227: my $parser=HTML::TokeParser->new(\$content);
228: $parser->xml_mode(1);
229: my $token;
230: while ($token=$parser->get_token) {
231: if ($token->[0] eq 'S') {
232: my $counter;
233: my $tag=$token->[1];
234: my $lctag=$tag;$lctag=~/[A-Z]/[a-z]/g;
235: unless ($lctag eq 'allow') {
236: my %parms=%{$token->[2]};
237: $counter=$addid{$tag};
238: if (!$counter) { $counter=$addid{$lctag}; }
239: if ($counter) {
240: if ($counter eq 'id') {
241: unless (defined($parms{'id'})) {
242: $maxid++;
243: $parms{'id'}=$maxid;
244: print $logfile 'ID: '.$tag.':'.$maxid."\n";
245: }
246: } elsif ($counter eq 'index') {
247: unless (defined($parms{'index'})) {
248: $maxindex++;
249: $parms{'index'}=$maxindex;
250: print $logfile 'Index: '.$tag.':'.$maxindex."\n";
251: }
252: }
253: }
254:
255: map {
256: if (defined($parms{$_})) {
257: my $oldurl=$parms{$_};
258: my $newurl=&urlfixup($oldurl,$target);
259: if ($newurl ne $oldurl) {
260: $parms{$_}=$newurl;
261: print $logfile 'URL: '.$tag.':'.$oldurl.' - '.
262: $newurl."\n";
263: }
264: $allow{$newurl}=1;
265: }
266: } ('src','href','background');
267:
268: if ($lctag eq 'applet') {
269: my $codebase='';
270: if (defined($parms{'codebase'})) {
271: my $oldcodebase=$parms{'codebase'};
272: unless ($oldcodebase=~/\/$/) {
273: $oldcodebase.='/';
274: }
275: $codebase=&urlfixup($oldcodebase,$target);
276: $codebase=~s/\/$//;
277: if ($codebase ne $oldcodebase) {
278: $parms{'codebase'}=$codebase;
279: print $logfile 'URL codebase: '.$tag.':'.
280: $oldcodebase.' - '.
281: $codebase."\n";
282: }
283: $allow{$codebase.'/*'}=1;
284: } else {
285: map {
286: if (defined($parms{$_})) {
287: my $oldurl=$parms{$_};
288: my $newurl=&urlfixup($oldurl,$target);
289: $newurl=~s/\/[^\/]+$/\/\*/;
290: print $logfile 'Allow: applet '.$_.':'.
291: $oldurl.' allows '.
292: $newurl."\n";
293: $allow{$newurl}=1;
294: }
295: } ('archive','code','object');
296: }
297: }
298:
299: my $newparmstring='';
300: my $endtag='';
301: map {
302: if ($_ eq '/') {
303: $endtag=' /';
304: } else {
305: my $quote=($parms{$_}=~/\"/?"'":'"');
306: $newparmstring.=' '.$_.'='.$quote.$parms{$_}.$quote;
307: }
308: } keys %parms;
309:
310: $outstring.='<'.$tag.$newparmstring.$endtag.'>';
311: } else {
312: $allow{$token->[2]->{'src'}}=1;
313: }
314: } elsif ($token->[0] eq 'E') {
315: unless ($token->[1] eq 'allow') {
316: $outstring.='</'.$token->[1].'>';
317: }
318: } else {
319: $outstring.=$token->[1];
320: }
321: }
322: # ------------------------------------------------------------ Construct Allows
323: unless ($style eq 'rat') {
324: $scrout.='<h3>Dependencies</h3>';
325: my $allowstr="\n";
326: map {
327: $allowstr.='<allow src="'.$_.'" />'."\n";
328: $scrout.='<br>';
329: unless ($_=~/\*/) {
330: $scrout.='<a href="'.$_.'">';
331: }
332: $scrout.='<tt>'.$_.'</tt>';
333: unless ($_=~/\*/) {
334: $scrout.='</a>';
335: }
336: } keys %allow;
337: $outstring=~s/(\<\/[^\>]+\>\s*)$/$allowstr$1/s;
338: }
339: # ------------------------------------------------------------- Write modified
340:
341: {
342: my $org;
343: unless ($org=Apache::File->new('>'.$source)) {
344: print $logfile "No write permit to $source\n";
345: return
346: "<font color=red>No write permission to $source, FAIL</font>";
347: }
348: print $org $outstring;
349: }
350: $content=$outstring;
351:
352: if ($needsfixup) {
353: print $logfile "End of ID and/or index fixup\n".
354: "Max ID : $maxid (min 10)\n".
355: "Max Index: $maxindex (min 10)\n";
356: } else {
357: print $logfile "Does not need ID and/or index fixup\n";
358: }
359: }
360: # --------------------------------------------- Initial step done, now metadata
361:
362: # ---------------------------------------- Storage for metadata keys and fields
363:
364: %metadatafields=();
365: %metadatakeys=();
366:
367: my %oldparmstores=();
368:
369: $scrout.='<h3>Metadata Information</h3>';
370:
371: # ------------------------------------------------ First, check out environment
372: unless (-e $source.'.meta') {
373: $metadatafields{'author'}=$ENV{'environment.firstname'}.' '.
374: $ENV{'environment.middlename'}.' '.
375: $ENV{'environment.lastname'}.' '.
376: $ENV{'environment.generation'};
377: $metadatafields{'author'}=~s/\s+/ /g;
378: $metadatafields{'author'}=~s/\s+$//;
379: $metadatafields{'owner'}=$cuname.'@'.$cudom;
380:
381: # ------------------------------------------------ Check out directory hierachy
382:
383: my $thisdisfn=$source;
384: $thisdisfn=~s/^\/home\/$cuname\///;
385:
386: my @urlparts=split(/\//,$thisdisfn);
387: $#urlparts--;
388:
389: my $currentpath='/home/'.$cuname.'/';
390:
391: map {
392: $currentpath.=$_.'/';
393: $scrout.=&metaread($logfile,$currentpath.'default.meta');
394: } @urlparts;
395:
396: # ------------------- Clear out parameters and stores (there should not be any)
397:
398: map {
399: if (($_=~/^parameter/) || ($_=~/^stores/)) {
400: delete $metadatafields{$_};
401: }
402: } keys %metadatafields;
403:
404: } else {
405: # ---------------------- Read previous metafile, remember parameters and stores
406:
407: $scrout.=&metaread($logfile,$source.'.meta');
408:
409: map {
410: if (($_=~/^parameter/) || ($_=~/^stores/)) {
411: $oldparmstores{$_}=1;
412: delete $metadatafields{$_};
413: }
414: } keys %metadatafields;
415:
416: }
417:
418: # -------------------------------------------------- Parse content for metadata
419: if ($style eq 'ssi') {
420: my $oldenv=$ENV{'request.uri'};
421:
422: $ENV{'request.uri'}=$target;
423: $allmeta=Apache::lonxml::xmlparse('meta',$content);
424: $ENV{'request.uri'}=$oldenv;
425:
426: &metaeval($allmeta);
427: }
428: # ---------------- Find and document discrepancies in the parameters and stores
429:
430: my $chparms='';
431: map {
432: if (($_=~/^parameter/) || ($_=~/^stores/)) {
433: unless ($_=~/\.\w+$/) {
434: unless ($oldparmstores{$_}) {
435: print $logfile 'New: '.$_."\n";
436: $chparms.=$_.' ';
437: }
438: }
439: }
440: } sort keys %metadatafields;
441: if ($chparms) {
442: $scrout.='<p><b>New parameters or stored values:</b> '.
443: $chparms;
444: }
445:
446: my $chparms='';
447: map {
448: if (($_=~/^parameter/) || ($_=~/^stores/)) {
449: unless (($metadatafields{$_.'.name'}) ||
450: ($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) {
451: print $logfile 'Obsolete: '.$_."\n";
452: $chparms.=$_.' ';
453: }
454: }
455: } sort keys %oldparmstores;
456: if ($chparms) {
457: $scrout.='<p><b>Obsolete parameters or stored values:</b> '.
458: $chparms;
459: }
460:
461: # ------------------------------------------------------- Now have all metadata
462:
463: $scrout.=
464: '<form action="/adm/publish" method="post">'.
465: &hiddenfield('phase','two').
466: &hiddenfield('filename',$ENV{'form.filename'}).
467: &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
468: &textfield('Title','title',$metadatafields{'title'}).
469: &textfield('Author(s)','author',$metadatafields{'author'}).
470: &textfield('Subject','subject',$metadatafields{'subject'});
471:
472: # --------------------------------------------------- Scan content for keywords
473:
474: my $keywordout='<p><b>Keywords:</b><br><table border=2><tr>';
475: my $colcount=0;
476:
477: if (length($content)<500000) {
478: my $textonly=$content;
479: $textonly=~s/\<script[^\<]+\<\/script\>//g;
480: $textonly=~s/\<m\>[^\<]+\<\/m\>//g;
481: $textonly=~s/\<[^\>]*\>//g;
482: $textonly=~tr/A-Z/a-z/;
483: $textonly=~s/[\$\&][a-z]\w*//g;
484: $textonly=~s/[^a-z\s]//g;
485:
486: my %keywords=();
487: map {
488: unless ($nokey{$_}) {
489: $keywords{$_}=1;
490: }
491: } ($textonly=~m/(\w+)/g);
492:
493: map {
494: $keywords{$_}=1;
495: } split(/\W+/,$metadatafields{'keywords'});
496:
497: map {
498: $keywordout.='<td><input type=checkbox name="key.'.$_.'"';
499: if ($metadatafields{'keywords'}=~/$_/) {
500: $keywordout.=' checked';
501: }
502: $keywordout.='>'.$_.'</td>';
503: if ($colcount>10) {
504: $keywordout.="</tr><tr>\n";
505: $colcount=0;
506: }
507: $colcount++;
508: } sort keys %keywords;
509:
510: } else {
511: $keywordout.='<td>File too long for keyword analysis</td>';
512: }
513:
514: $keywordout.='</tr></table>';
515:
516: $scrout.=$keywordout;
517:
518: $scrout.=&textfield('Additional Keywords','addkey','');
519:
520: $scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
521:
522: $scrout.=
523: '<p><b>Abstract:</b><br><textarea cols=80 rows=5 name=abstract>'.
524: $metadatafields{'abstract'}.'</textarea>';
525:
526: $source=~/\.(\w+)$/;
527:
528: $scrout.=&hiddenfield('mime',$1);
529:
530: $scrout.=&selectbox('Language','language',
531: $metadatafields{'language'},%language);
532:
533: unless ($metadatafields{'creationdate'}) {
534: $metadatafields{'creationdate'}=time;
535: }
536: $scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'});
537:
538: $scrout.=&hiddenfield('lastrevisiondate',time);
539:
540:
541: $scrout.=&textfield('Publisher/Owner','owner',
542: $metadatafields{'owner'});
543: # --------------------------------------------------- Correct copyright for rat
544: if ($style eq 'rat') {
545: if ($metadatafields{'copyright'} eq 'public') {
546: delete $metadatafields{'copyright'};
547: }
548: delete $cprtag{'public'};
549: }
550:
551: $scrout.=&selectbox('Copyright/Distribution','copyright',
552: $metadatafields{'copyright'},%cprtag);
553:
554: return $scrout.
555: '<p><input type="submit" value="Finalize Publication"></form>';
556: }
557:
558: # -------------------------------------------------------- Publication Step Two
559:
560: sub phasetwo {
561:
562: my ($source,$target,$style,$distarget)=@_;
563: my $logfile;
564: my $scrout='';
565:
566: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
567: return
568: '<font color=red>No write permission to user directory, FAIL</font>';
569: }
570: print $logfile
571: "\n================= Publish ".localtime()." Phase Two ================\n";
572:
573: %metadatafields=();
574: %metadatakeys=();
575:
576: &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
577:
578: $metadatafields{'title'}=$ENV{'form.title'};
579: $metadatafields{'author'}=$ENV{'form.author'};
580: $metadatafields{'subject'}=$ENV{'form.subject'};
581: $metadatafields{'notes'}=$ENV{'form.notes'};
582: $metadatafields{'abstract'}=$ENV{'form.abstract'};
583: $metadatafields{'mime'}=$ENV{'form.mime'};
584: $metadatafields{'language'}=$ENV{'form.language'};
585: $metadatafields{'creationdate'}=$ENV{'form.creationdate'};
586: $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'};
587: $metadatafields{'owner'}=$ENV{'form.owner'};
588: $metadatafields{'copyright'}=$ENV{'form.copyright'};
589:
590: my $allkeywords=$ENV{'form.addkey'};
591: map {
592: if ($_=~/^form\.key\.(\w+)/) {
593: $allkeywords.=','.$1;
594: }
595: } keys %ENV;
596: $allkeywords=~s/\W+/\,/;
597: $allkeywords=~s/^\,//;
598: $metadatafields{'keywords'}=$allkeywords;
599:
600: {
601: print $logfile "\nWrite metadata file for ".$source;
602: my $mfh;
603: unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
604: return
605: '<font color=red>Could not write metadata, FAIL</font>';
606: }
607: map {
608: unless ($_=~/\./) {
609: my $unikey=$_;
610: $unikey=~/^([A-Za-z]+)/;
611: my $tag=$1;
612: $tag=~tr/A-Z/a-z/;
613: print $mfh "\n\<$tag";
614: map {
615: my $value=$metadatafields{$unikey.'.'.$_};
616: $value=~s/\"/\'\'/g;
617: print $mfh ' '.$_.'="'.$value.'"';
618: } split(/\,/,$metadatakeys{$unikey});
619: print $mfh '>'.$metadatafields{$unikey}.'</'.$tag.'>';
620: }
621: } sort keys %metadatafields;
622: $scrout.='<p>Wrote Metadata';
623: print $logfile "\nWrote metadata";
624: }
625:
626: # -------------------------------- Synchronize entry with SQL metadata database
627: my %perlvar;
628: open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf";
629: my $configline;
630: while ($configline=<CONFIG>) {
631: if ($configline =~ /PerlSetVar/) {
632: my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);
633: chomp($varvalue);
634: $perlvar{$varname}=$varvalue;
635: }
636: }
637: close(CONFIG);
638:
639: my $warning;
640: my $dbh;
641: {
642: unless (
643: $dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
644: ) {
645: $warning='<font color=red>WARNING: Cannot connect to '.
646: 'database!</font>';
647: }
648: else {
649: my %sqldatafields;
650: $sqldatafields{'url'}=$distarget;
651: my $sth=$dbh->prepare(
652: 'delete from metadata where url like binary'.
653: '"'.$sqldatafields{'url'}.'"');
654: $sth->execute();
655: map {my $field=$metadatafields{$_}; $field=~s/\"/\'\'/g;
656: $sqldatafields{$_}=$field;}
657: ('title','author','subject','keywords','notes','abstract',
658: 'mime','language','creationdate','lastrevisiondate','owner',
659: 'copyright');
660:
661: $sth=$dbh->prepare('insert into metadata values ('.
662: '"'.delete($sqldatafields{'title'}).'"'.','.
663: '"'.delete($sqldatafields{'author'}).'"'.','.
664: '"'.delete($sqldatafields{'subject'}).'"'.','.
665: '"'.delete($sqldatafields{'url'}).'"'.','.
666: '"'.delete($sqldatafields{'keywords'}).'"'.','.
667: '"'.'current'.'"'.','.
668: '"'.delete($sqldatafields{'notes'}).'"'.','.
669: '"'.delete($sqldatafields{'abstract'}).'"'.','.
670: '"'.delete($sqldatafields{'mime'}).'"'.','.
671: '"'.delete($sqldatafields{'language'}).'"'.','.
672: '"'.
673: sqltime(delete($sqldatafields{'creationdate'}))
674: .'"'.','.
675: '"'.
676: sqltime(delete(
677: $sqldatafields{'lastrevisiondate'})).'"'.','.
678: '"'.delete($sqldatafields{'owner'}).'"'.','.
679: '"'.delete(
680: $sqldatafields{'copyright'}).'"'.')');
681: $sth->execute();
682: $dbh->disconnect;
683: $scrout.='<p>Synchronized SQL metadata database';
684: print $logfile "\nSynchronized SQL metadata database";
685: }
686: }
687:
688:
689: # ----------------------------------------------------------- Copy old versions
690:
691: if (-e $target) {
692: my $filename;
693: my $maxversion=0;
694: $target=~/(.*)\/([^\/]+)\.(\w+)$/;
695: my $srcf=$2;
696: my $srct=$3;
697: my $srcd=$1;
698: unless ($srcd=~/^\/home\/httpd\/html\/res/) {
699: print $logfile "\nPANIC: Target dir is ".$srcd;
700: return "<font color=red>Invalid target directory, FAIL</font>";
701: }
702: opendir(DIR,$srcd);
703: while ($filename=readdir(DIR)) {
704: if ($filename=~/$srcf\.(\d+)\.$srct$/) {
705: $maxversion=($1>$maxversion)?$1:$maxversion;
706: }
707: }
708: closedir(DIR);
709: $maxversion++;
710: $scrout.='<p>Creating old version '.$maxversion;
711: print $logfile "\nCreating old version ".$maxversion;
712:
713: my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
714:
715: if (copy($target,$copyfile)) {
716: print $logfile "Copied old target to ".$copyfile."\n";
717: $scrout.='<p>Copied old target file';
718: } else {
719: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
720: return "<font color=red>Failed to copy old target, $!, FAIL</font>";
721: }
722:
723: # --------------------------------------------------------------- Copy Metadata
724:
725: $copyfile=$copyfile.'.meta';
726:
727: if (copy($target.'.meta',$copyfile)) {
728: print $logfile "Copied old target metadata to ".$copyfile."\n";
729: $scrout.='<p>Copied old metadata';
730: } else {
731: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
732: if (-e $target.'.meta') {
733: return
734: "<font color=red>Failed to write old metadata copy, $!, FAIL</font>";
735: }
736: }
737:
738:
739: } else {
740: $scrout.='<p>Initial version';
741: print $logfile "\nInitial version";
742: }
743:
744: # ---------------------------------------------------------------- Write Source
745: my $copyfile=$target;
746:
747: my @parts=split(/\//,$copyfile);
748: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
749:
750: my $count;
751: for ($count=5;$count<$#parts;$count++) {
752: $path.="/$parts[$count]";
753: if ((-e $path)!=1) {
754: print $logfile "\nCreating directory ".$path;
755: $scrout.='<p>Created directory '.$parts[$count];
756: mkdir($path,0777);
757: }
758: }
759:
760: if (copy($source,$copyfile)) {
761: print $logfile "Copied original source to ".$copyfile."\n";
762: $scrout.='<p>Copied source file';
763: } else {
764: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
765: return "<font color=red>Failed to copy source, $!, FAIL</font>";
766: }
767:
768: # --------------------------------------------------------------- Copy Metadata
769:
770: $copyfile=$copyfile.'.meta';
771:
772: if (copy($source.'.meta',$copyfile)) {
773: print $logfile "Copied original metadata to ".$copyfile."\n";
774: $scrout.='<p>Copied metadata';
775: } else {
776: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
777: return
778: "<font color=red>Failed to write metadata copy, $!, FAIL</font>";
779: }
780:
781: # --------------------------------------------------- Send update notifications
782:
783: {
784:
785: my $filename;
786:
787: $target=~/(.*)\/([^\/]+)$/;
788: my $srcf=$2;
789: opendir(DIR,$1);
790: while ($filename=readdir(DIR)) {
791: if ($filename=~/$srcf\.(\w+)$/) {
792: my $subhost=$1;
793: if ($subhost ne 'meta') {
794: $scrout.='<p>Notifying host '.$subhost.':';
795: print $logfile "\nNotifying host '.$subhost.':'";
796: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
797: $scrout.=$reply;
798: print $logfile $reply;
799: }
800: }
801: }
802: closedir(DIR);
803:
804: }
805:
806: # ---------------------------------------- Send update notifications, meta only
807:
808: {
809:
810: my $filename;
811:
812: $target=~/(.*)\/([^\/]+)$/;
813: my $srcf=$2.'.meta';
814: opendir(DIR,$1);
815: while ($filename=readdir(DIR)) {
816: if ($filename=~/$srcf\.(\w+)$/) {
817: my $subhost=$1;
818: if ($subhost ne 'meta') {
819: $scrout.=
820: '<p>Notifying host for metadata only '.$subhost.':';
821: print $logfile
822: "\nNotifying host for metadata only '.$subhost.':'";
823: my $reply=&Apache::lonnet::critical(
824: 'update:'.$target.'.meta',$subhost);
825: $scrout.=$reply;
826: print $logfile $reply;
827: }
828: }
829: }
830: closedir(DIR);
831:
832: }
833:
834: # ------------------------------------------------ Provide link to new resource
835:
836: my $thisdistarget=$target;
837: $thisdistarget=~s/^$docroot//;
838:
839: my $thissrc=$source;
840: $thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/;
841:
842: my $thissrcdir=$thissrc;
843: $thissrcdir=~s/\/[^\/]+$/\//;
844:
845:
846: return $warning.$scrout.
847: '<hr><a href="'.$thisdistarget.'"><font size=+2>View Target</font></a>'.
848: '<p><a href="'.$thissrc.'"><font size=+2>Back to Source</font></a>'.
849: '<p><a href="'.$thissrcdir.
850: '"><font size=+2>Back to Source Directory</font></a>';
851:
852: }
853:
854: # ================================================================ Main Handler
855:
856: sub handler {
857: my $r=shift;
858:
859: if ($r->header_only) {
860: $r->content_type('text/html');
861: $r->send_http_header;
862: return OK;
863: }
864:
865: # Get query string for limited number of parameters
866:
867: map {
868: my ($name, $value) = split(/=/,$_);
869: $value =~ tr/+/ /;
870: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
871: if ($name eq 'filename') {
872: unless ($ENV{'form.'.$name}) {
873: $ENV{'form.'.$name}=$value;
874: }
875: }
876: } (split(/&/,$ENV{'QUERY_STRING'}));
877:
878:
879: # -------------------------------------------------------------- Check filename
880:
881: my $fn=$ENV{'form.filename'};
882:
883:
884: unless ($fn) {
885: $r->log_reason($cuname.' at '.$cudom.
886: ' trying to publish empty filename', $r->filename);
887: return HTTP_NOT_FOUND;
888: }
889:
890: ($cuname,$cudom)=
891: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
892: unless (($cuname) && ($cudom)) {
893: $r->log_reason($cuname.' at '.$cudom.
894: ' trying to publish file '.$ENV{'form.filename'}.
895: ' ('.$fn.') - not authorized',
896: $r->filename);
897: return HTTP_NOT_ACCEPTABLE;
898: }
899:
900: unless (&Apache::lonnet::homeserver($cuname,$cudom)
901: eq $r->dir_config('lonHostID')) {
902: $r->log_reason($cuname.' at '.$cudom.
903: ' trying to publish file '.$ENV{'form.filename'}.
904: ' ('.$fn.') - not homeserver ('.
905: &Apache::lonnet::homeserver($cuname,$cudom).')',
906: $r->filename);
907: return HTTP_NOT_ACCEPTABLE;
908: }
909:
910: $fn=~s/^http\:\/\/[^\/]+//;
911: $fn=~s/^\/\~(\w+)/\/home\/$1\/public_html/;
912:
913: my $targetdir='';
914: $docroot=$r->dir_config('lonDocRoot');
915: if ($1 ne $cuname) {
916: $r->log_reason($cuname.' at '.$cudom.
917: ' trying to publish unowned file '.$ENV{'form.filename'}.
918: ' ('.$fn.')',
919: $r->filename);
920: return HTTP_NOT_ACCEPTABLE;
921: } else {
922: $targetdir=$docroot.'/res/'.$cudom;
923: }
924:
925:
926: unless (-e $fn) {
927: $r->log_reason($cuname.' at '.$cudom.
928: ' trying to publish non-existing file '.$ENV{'form.filename'}.
929: ' ('.$fn.')',
930: $r->filename);
931: return HTTP_NOT_FOUND;
932: }
933:
934: unless ($ENV{'form.phase'} eq 'two') {
935:
936: # --------------------------------- File is there and owned, init lookup tables
937:
938: %addid=();
939:
940: {
941: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
942: while (<$fh>=~/(\w+)\s+(\w+)/) {
943: $addid{$1}=$2;
944: }
945: }
946:
947: %nokey=();
948:
949: {
950: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
951: map {
952: my $word=$_;
953: chomp($word);
954: $nokey{$word}=1;
955: } <$fh>;
956: }
957:
958: %language=();
959:
960: {
961: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/language.tab');
962: map {
963: $_=~/(\w+)\s+([\w\s\-]+)/;
964: $language{$1}=$2;
965: } <$fh>;
966: }
967:
968: %cprtag=();
969:
970: {
971: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/copyright.tab');
972: map {
973: $_=~/(\w+)\s+([\w\s\-]+)/;
974: $cprtag{$1}=$2;
975: } <$fh>;
976: }
977:
978: }
979:
980: # ----------------------------------------------------------- Start page output
981:
982: $r->content_type('text/html');
983: $r->send_http_header;
984:
985: $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
986: $r->print(
987: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
988: my $thisfn=$fn;
989:
990: # ------------------------------------------------------------- Individual file
991: {
992: $thisfn=~/\.(\w+)$/;
993: my $thistype=$1;
994: my $thisembstyle=&Apache::lonnet::fileembstyle($thistype);
995:
996: my $thistarget=$thisfn;
997:
998: $thistarget=~s/^\/home/$targetdir/;
999: $thistarget=~s/\/public\_html//;
1000:
1001: my $thisdistarget=$thistarget;
1002: $thisdistarget=~s/^$docroot//;
1003:
1004: my $thisdisfn=$thisfn;
1005: $thisdisfn=~s/^\/home\/$cuname\/public_html\///;
1006:
1007: $r->print('<h2>Publishing '.
1008: &Apache::lonnet::filedescription($thistype).' <tt>'.
1009: $thisdisfn.'</tt></h2><b>Target:</b> <tt>'.$thisdistarget.'</tt><p>');
1010:
1011: if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
1012: $r->print('<h3><font color=red>Co-Author: '.$cuname.' at '.$cudom.
1013: '</font></h3>');
1014: }
1015:
1016: if (&Apache::lonnet::fileembstyle($thistype) eq 'ssi') {
1017: $r->print('<br><a href="/adm/diff?filename=/~'.$cuname.'/'.
1018: $thisdisfn.
1019: '&versionone=priv" target=cat>Diffs with Current Version</a><p>');
1020: }
1021:
1022: # ------------ We are publishing from $thisfn to $thistarget with $thisembstyle
1023:
1024: unless ($ENV{'form.phase'} eq 'two') {
1025: $r->print(
1026: '<hr>'.&publish($thisfn,$thistarget,$thisembstyle));
1027: } else {
1028: $r->print(
1029: '<hr>'.&phasetwo($thisfn,$thistarget,$thisembstyle,$thisdistarget));
1030: }
1031:
1032: }
1033: $r->print('</body></html>');
1034:
1035: return OK;
1036: }
1037:
1038: 1;
1039: __END__
1040:
1041:
1042:
1043:
1044:
1045:
1046:
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