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