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: # 10/3,10/8 Scott Harrison
16:
17: package Apache::lonpublisher;
18:
19: use strict;
20: use Apache::File;
21: use File::Copy;
22: use Apache::Constants qw(:common :http :methods);
23: use HTML::TokeParser;
24: use Apache::lonxml;
25: use Apache::lonhomework;
26: use Apache::loncacc;
27: use DBI;
28:
29: my %addid;
30: my %nokey;
31: my %language;
32: my %cprtag;
33:
34: my %metadatafields;
35: my %metadatakeys;
36:
37: my $docroot;
38:
39: my $cuname;
40: my $cudom;
41:
42: # ----------------------------------------------- Evaluate string with metadata
43:
44: sub metaeval {
45: my $metastring=shift;
46:
47: my $parser=HTML::TokeParser->new(\$metastring);
48: my $token;
49: while ($token=$parser->get_token) {
50: if ($token->[0] eq 'S') {
51: my $entry=$token->[1];
52: my $unikey=$entry;
53: if (defined($token->[2]->{'package'})) {
54: $unikey.='_package_'.$token->[2]->{'package'};
55: }
56: if (defined($token->[2]->{'part'})) {
57: $unikey.='_'.$token->[2]->{'part'};
58: }
59: if (defined($token->[2]->{'id'})) {
60: $unikey.='_'.$token->[2]->{'id'};
61: }
62: if (defined($token->[2]->{'name'})) {
63: $unikey.='_'.$token->[2]->{'name'};
64: }
65: map {
66: $metadatafields{$unikey.'.'.$_}=$token->[2]->{$_};
67: if ($metadatakeys{$unikey}) {
68: $metadatakeys{$unikey}.=','.$_;
69: } else {
70: $metadatakeys{$unikey}=$_;
71: }
72: } @{$token->[3]};
73: if ($metadatafields{$unikey}) {
74: my $newentry=$parser->get_text('/'.$entry);
75: unless (($metadatafields{$unikey}=~/$newentry/) ||
76: ($newentry eq '')) {
77: $metadatafields{$unikey}.=', '.$newentry;
78: }
79: } else {
80: $metadatafields{$unikey}=$parser->get_text('/'.$entry);
81: }
82: }
83: }
84: }
85:
86: # -------------------------------------------------------- Read a metadata file
87:
88: sub metaread {
89: my ($logfile,$fn)=@_;
90: unless (-e $fn) {
91: print $logfile 'No file '.$fn."\n";
92: return '<br><b>No file:</b> <tt>'.$fn.'</tt>';
93: }
94: print $logfile 'Processing '.$fn."\n";
95: my $metastring;
96: {
97: my $metafh=Apache::File->new($fn);
98: $metastring=join('',<$metafh>);
99: }
100: &metaeval($metastring);
101: return '<br><b>Processed file:</b> <tt>'.$fn.'</tt>';
102: }
103:
104: # ---------------------------- convert 'time' format into a datetime sql format
105: sub sqltime {
106: my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
107: localtime(@_[0]);
108: $mon++; $year+=1900;
109: return "$year-$mon-$mday $hour:$min:$sec";
110: }
111:
112: # --------------------------------------------------------- Various form fields
113:
114: sub textfield {
115: my ($title,$name,$value)=@_;
116: return "\n<p><b>$title:</b><br>".
117: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
118: }
119:
120: sub hiddenfield {
121: my ($name,$value)=@_;
122: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
123: }
124:
125: sub selectbox {
126: my ($title,$name,$value,%options)=@_;
127: my $selout="\n<p><b>$title:</b><br>".'<select name="'.$name.'">';
128: map {
129: $selout.='<option value="'.$_.'"';
130: if ($_ eq $value) { $selout.=' selected'; }
131: $selout.='>'.$options{$_}.'</option>';
132: } sort keys %options;
133: return $selout.'</select>';
134: }
135:
136: # -------------------------------------------------------- Publication Step One
137:
138: sub urlfixup {
139: my ($url,$target)=@_;
140: unless ($url) { return ''; }
141: my ($host)=($url=~/(?:http\:\/\/)*([^\/]+)/);
142: map {
143: if ($_ eq $host) {
144: $url=~s/^http\:\/\///;
145: $url=~s/^$host//;
146: }
147: } values %Apache::lonnet::hostname;
148: if ($url=~/^http\:\/\//) { return $url; }
149: $url=~s/\~$cuname/res\/$cudom\/$cuname/;
150: if ($target) {
151: $target=~s/\/[^\/]+$//;
152: $url=&Apache::lonnet::hreflocation($target,$url);
153: }
154: return $url;
155: }
156:
157: sub publish {
158: my ($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: my $j=0;
484: my $word;
485: for (my $i=0; $i<length($textonly); $i++) {
486: my $ch.=substr($textonly,$i,1);
487: if ($ch=~/\s/) {
488: if (length($word)) {
489: unless ($nokey{$word}) {
490: $keywords{$word}=1;
491: }
492: }
493: $word='';
494: }
495: else {
496: $word.=$ch;
497: }
498: # map {
499: # unless ($nokey{$_}) {
500: # $keywords{$_}=1;
501: # }
502: # } ($textonly=~m/(\w+)/g);
503: }
504:
505: my $sizkeys=scalar(keys %keywords); # use this value at some point
506: map {
507: $keywords{$_}=1;
508: } split(/\W+/,$metadatafields{'keywords'});
509:
510: map {
511: $keywordout.='<td><input type=checkbox name="key.'.$_.'"';
512: if ($metadatafields{'keywords'}=~/$_/) {
513: $keywordout.=' checked';
514: }
515: $keywordout.='>'.$_.'</td>';
516: if ($colcount>10) {
517: $keywordout.="</tr><tr>\n";
518: $colcount=0;
519: }
520: else {
521: $colcount++;
522: }
523: } sort keys %keywords;
524: $keywordout.='</tr></table>';
525:
526: }
527: $scrout.=$keywordout;
528:
529: $scrout.=&textfield('Additional Keywords','addkey','');
530:
531: $scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
532:
533: $scrout.=
534: '<p><b>Abstract:</b><br><textarea cols=80 rows=5 name=abstract>'.
535: $metadatafields{'abstract'}.'</textarea>';
536:
537: $source=~/\.(\w+)$/;
538:
539: $scrout.=&hiddenfield('mime',$1);
540:
541: $scrout.=&selectbox('Language','language',
542: $metadatafields{'language'},%language);
543:
544: unless ($metadatafields{'creationdate'}) {
545: $metadatafields{'creationdate'}=time;
546: }
547: $scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'});
548:
549: $scrout.=&hiddenfield('lastrevisiondate',time);
550:
551:
552: $scrout.=&textfield('Publisher/Owner','owner',
553: $metadatafields{'owner'});
554: # --------------------------------------------------- Correct copyright for rat
555: if ($style eq 'rat') {
556: if ($metadatafields{'copyright'} eq 'public') {
557: delete $metadatafields{'copyright'};
558: }
559: delete $cprtag{'public'};
560: }
561:
562: $scrout.=&selectbox('Copyright/Distribution','copyright',
563: $metadatafields{'copyright'},%cprtag);
564:
565: return $scrout.
566: '<p><input type="submit" value="Finalize Publication"></form>';
567: }
568:
569: # -------------------------------------------------------- Publication Step Two
570:
571: sub phasetwo {
572:
573: my ($source,$target,$style,$distarget)=@_;
574: my $logfile;
575: my $scrout='';
576:
577: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
578: return
579: '<font color=red>No write permission to user directory, FAIL</font>';
580: }
581: print $logfile
582: "\n================= Publish ".localtime()." Phase Two ================\n";
583:
584: %metadatafields=();
585: %metadatakeys=();
586:
587: &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
588:
589: $metadatafields{'title'}=$ENV{'form.title'};
590: $metadatafields{'author'}=$ENV{'form.author'};
591: $metadatafields{'subject'}=$ENV{'form.subject'};
592: $metadatafields{'notes'}=$ENV{'form.notes'};
593: $metadatafields{'abstract'}=$ENV{'form.abstract'};
594: $metadatafields{'mime'}=$ENV{'form.mime'};
595: $metadatafields{'language'}=$ENV{'form.language'};
596: $metadatafields{'creationdate'}=$ENV{'form.creationdate'};
597: $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'};
598: $metadatafields{'owner'}=$ENV{'form.owner'};
599: $metadatafields{'copyright'}=$ENV{'form.copyright'};
600:
601: my $allkeywords=$ENV{'form.addkey'};
602: map {
603: if ($_=~/^form\.key\.(\w+)/) {
604: $allkeywords.=','.$1;
605: }
606: } keys %ENV;
607: $allkeywords=~s/\W+/\,/;
608: $allkeywords=~s/^\,//;
609: $metadatafields{'keywords'}=$allkeywords;
610:
611: {
612: print $logfile "\nWrite metadata file for ".$source;
613: my $mfh;
614: unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
615: return
616: '<font color=red>Could not write metadata, FAIL</font>';
617: }
618: map {
619: unless ($_=~/\./) {
620: my $unikey=$_;
621: $unikey=~/^([A-Za-z]+)/;
622: my $tag=$1;
623: $tag=~tr/A-Z/a-z/;
624: print $mfh "\n\<$tag";
625: map {
626: my $value=$metadatafields{$unikey.'.'.$_};
627: $value=~s/\"/\'\'/g;
628: print $mfh ' '.$_.'="'.$value.'"';
629: } split(/\,/,$metadatakeys{$unikey});
630: print $mfh '>'.$metadatafields{$unikey}.'</'.$tag.'>';
631: }
632: } sort keys %metadatafields;
633: $scrout.='<p>Wrote Metadata';
634: print $logfile "\nWrote metadata";
635: }
636:
637: # -------------------------------- Synchronize entry with SQL metadata database
638: my %perlvar;
639: open (CONFIG,"/etc/httpd/conf/access.conf") || die "Can't read access.conf";
640: my $configline;
641: while ($configline=<CONFIG>) {
642: if ($configline =~ /PerlSetVar/) {
643: my ($dummy,$varname,$varvalue)=split(/\s+/,$configline);
644: chomp($varvalue);
645: $perlvar{$varname}=$varvalue;
646: }
647: }
648: close(CONFIG);
649:
650: my $warning;
651: my $dbh;
652: {
653: unless (
654: $dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
655: ) {
656: $warning='<font color=red>WARNING: Cannot connect to '.
657: 'database!</font>';
658: }
659: else {
660: my %sqldatafields;
661: $sqldatafields{'url'}=$distarget;
662: my $sth=$dbh->prepare(
663: 'delete from metadata where url like binary'.
664: '"'.$sqldatafields{'url'}.'"');
665: $sth->execute();
666: map {my $field=$metadatafields{$_}; $field=~s/\"/\'\'/g;
667: $sqldatafields{$_}=$field;}
668: ('title','author','subject','keywords','notes','abstract',
669: 'mime','language','creationdate','lastrevisiondate','owner',
670: 'copyright');
671:
672: $sth=$dbh->prepare('insert into metadata values ('.
673: '"'.delete($sqldatafields{'title'}).'"'.','.
674: '"'.delete($sqldatafields{'author'}).'"'.','.
675: '"'.delete($sqldatafields{'subject'}).'"'.','.
676: '"'.delete($sqldatafields{'url'}).'"'.','.
677: '"'.delete($sqldatafields{'keywords'}).'"'.','.
678: '"'.'current'.'"'.','.
679: '"'.delete($sqldatafields{'notes'}).'"'.','.
680: '"'.delete($sqldatafields{'abstract'}).'"'.','.
681: '"'.delete($sqldatafields{'mime'}).'"'.','.
682: '"'.delete($sqldatafields{'language'}).'"'.','.
683: '"'.
684: sqltime(delete($sqldatafields{'creationdate'}))
685: .'"'.','.
686: '"'.
687: sqltime(delete(
688: $sqldatafields{'lastrevisiondate'})).'"'.','.
689: '"'.delete($sqldatafields{'owner'}).'"'.','.
690: '"'.delete(
691: $sqldatafields{'copyright'}).'"'.')');
692: $sth->execute();
693: $dbh->disconnect;
694: $scrout.='<p>Synchronized SQL metadata database';
695: print $logfile "\nSynchronized SQL metadata database";
696: }
697: }
698:
699:
700: # ----------------------------------------------------------- Copy old versions
701:
702: if (-e $target) {
703: my $filename;
704: my $maxversion=0;
705: $target=~/(.*)\/([^\/]+)\.(\w+)$/;
706: my $srcf=$2;
707: my $srct=$3;
708: my $srcd=$1;
709: unless ($srcd=~/^\/home\/httpd\/html\/res/) {
710: print $logfile "\nPANIC: Target dir is ".$srcd;
711: return "<font color=red>Invalid target directory, FAIL</font>";
712: }
713: opendir(DIR,$srcd);
714: while ($filename=readdir(DIR)) {
715: if ($filename=~/$srcf\.(\d+)\.$srct$/) {
716: $maxversion=($1>$maxversion)?$1:$maxversion;
717: }
718: }
719: closedir(DIR);
720: $maxversion++;
721: $scrout.='<p>Creating old version '.$maxversion;
722: print $logfile "\nCreating old version ".$maxversion;
723:
724: my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
725:
726: if (copy($target,$copyfile)) {
727: print $logfile "Copied old target to ".$copyfile."\n";
728: $scrout.='<p>Copied old target file';
729: } else {
730: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
731: return "<font color=red>Failed to copy old target, $!, FAIL</font>";
732: }
733:
734: # --------------------------------------------------------------- Copy Metadata
735:
736: $copyfile=$copyfile.'.meta';
737:
738: if (copy($target.'.meta',$copyfile)) {
739: print $logfile "Copied old target metadata to ".$copyfile."\n";
740: $scrout.='<p>Copied old metadata';
741: } else {
742: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
743: if (-e $target.'.meta') {
744: return
745: "<font color=red>Failed to write old metadata copy, $!, FAIL</font>";
746: }
747: }
748:
749:
750: } else {
751: $scrout.='<p>Initial version';
752: print $logfile "\nInitial version";
753: }
754:
755: # ---------------------------------------------------------------- Write Source
756: my $copyfile=$target;
757:
758: my @parts=split(/\//,$copyfile);
759: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
760:
761: my $count;
762: for ($count=5;$count<$#parts;$count++) {
763: $path.="/$parts[$count]";
764: if ((-e $path)!=1) {
765: print $logfile "\nCreating directory ".$path;
766: $scrout.='<p>Created directory '.$parts[$count];
767: mkdir($path,0777);
768: }
769: }
770:
771: if (copy($source,$copyfile)) {
772: print $logfile "Copied original source to ".$copyfile."\n";
773: $scrout.='<p>Copied source file';
774: } else {
775: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
776: return "<font color=red>Failed to copy source, $!, FAIL</font>";
777: }
778:
779: # --------------------------------------------------------------- Copy Metadata
780:
781: $copyfile=$copyfile.'.meta';
782:
783: if (copy($source.'.meta',$copyfile)) {
784: print $logfile "Copied original metadata to ".$copyfile."\n";
785: $scrout.='<p>Copied metadata';
786: } else {
787: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
788: return
789: "<font color=red>Failed to write metadata copy, $!, FAIL</font>";
790: }
791:
792: # --------------------------------------------------- Send update notifications
793:
794: {
795:
796: my $filename;
797:
798: $target=~/(.*)\/([^\/]+)$/;
799: my $srcf=$2;
800: opendir(DIR,$1);
801: while ($filename=readdir(DIR)) {
802: if ($filename=~/$srcf\.(\w+)$/) {
803: my $subhost=$1;
804: if ($subhost ne 'meta') {
805: $scrout.='<p>Notifying host '.$subhost.':';
806: print $logfile "\nNotifying host '.$subhost.':'";
807: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
808: $scrout.=$reply;
809: print $logfile $reply;
810: }
811: }
812: }
813: closedir(DIR);
814:
815: }
816:
817: # ---------------------------------------- Send update notifications, meta only
818:
819: {
820:
821: my $filename;
822:
823: $target=~/(.*)\/([^\/]+)$/;
824: my $srcf=$2.'.meta';
825: opendir(DIR,$1);
826: while ($filename=readdir(DIR)) {
827: if ($filename=~/$srcf\.(\w+)$/) {
828: my $subhost=$1;
829: if ($subhost ne 'meta') {
830: $scrout.=
831: '<p>Notifying host for metadata only '.$subhost.':';
832: print $logfile
833: "\nNotifying host for metadata only '.$subhost.':'";
834: my $reply=&Apache::lonnet::critical(
835: 'update:'.$target.'.meta',$subhost);
836: $scrout.=$reply;
837: print $logfile $reply;
838: }
839: }
840: }
841: closedir(DIR);
842:
843: }
844:
845: # ------------------------------------------------ Provide link to new resource
846:
847: my $thisdistarget=$target;
848: $thisdistarget=~s/^$docroot//;
849:
850: my $thissrc=$source;
851: $thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/;
852:
853: my $thissrcdir=$thissrc;
854: $thissrcdir=~s/\/[^\/]+$/\//;
855:
856:
857: return $warning.$scrout.
858: '<hr><a href="'.$thisdistarget.'"><font size=+2>View Target</font></a>'.
859: '<p><a href="'.$thissrc.'"><font size=+2>Back to Source</font></a>'.
860: '<p><a href="'.$thissrcdir.
861: '"><font size=+2>Back to Source Directory</font></a>';
862:
863: }
864:
865: # ================================================================ Main Handler
866:
867: sub handler {
868: my $r=shift;
869:
870: if ($r->header_only) {
871: $r->content_type('text/html');
872: $r->send_http_header;
873: return OK;
874: }
875:
876: # Get query string for limited number of parameters
877:
878: map {
879: my ($name, $value) = split(/=/,$_);
880: $value =~ tr/+/ /;
881: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
882: if ($name eq 'filename') {
883: unless ($ENV{'form.'.$name}) {
884: $ENV{'form.'.$name}=$value;
885: }
886: }
887: } (split(/&/,$ENV{'QUERY_STRING'}));
888:
889:
890: # -------------------------------------------------------------- Check filename
891:
892: my $fn=$ENV{'form.filename'};
893:
894:
895: unless ($fn) {
896: $r->log_reason($cuname.' at '.$cudom.
897: ' trying to publish empty filename', $r->filename);
898: return HTTP_NOT_FOUND;
899: }
900:
901: ($cuname,$cudom)=
902: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
903: unless (($cuname) && ($cudom)) {
904: $r->log_reason($cuname.' at '.$cudom.
905: ' trying to publish file '.$ENV{'form.filename'}.
906: ' ('.$fn.') - not authorized',
907: $r->filename);
908: return HTTP_NOT_ACCEPTABLE;
909: }
910:
911: unless (&Apache::lonnet::homeserver($cuname,$cudom)
912: eq $r->dir_config('lonHostID')) {
913: $r->log_reason($cuname.' at '.$cudom.
914: ' trying to publish file '.$ENV{'form.filename'}.
915: ' ('.$fn.') - not homeserver ('.
916: &Apache::lonnet::homeserver($cuname,$cudom).')',
917: $r->filename);
918: return HTTP_NOT_ACCEPTABLE;
919: }
920:
921: $fn=~s/^http\:\/\/[^\/]+//;
922: $fn=~s/^\/\~(\w+)/\/home\/$1\/public_html/;
923:
924: my $targetdir='';
925: $docroot=$r->dir_config('lonDocRoot');
926: if ($1 ne $cuname) {
927: $r->log_reason($cuname.' at '.$cudom.
928: ' trying to publish unowned file '.$ENV{'form.filename'}.
929: ' ('.$fn.')',
930: $r->filename);
931: return HTTP_NOT_ACCEPTABLE;
932: } else {
933: $targetdir=$docroot.'/res/'.$cudom;
934: }
935:
936:
937: unless (-e $fn) {
938: $r->log_reason($cuname.' at '.$cudom.
939: ' trying to publish non-existing file '.$ENV{'form.filename'}.
940: ' ('.$fn.')',
941: $r->filename);
942: return HTTP_NOT_FOUND;
943: }
944:
945: unless ($ENV{'form.phase'} eq 'two') {
946:
947: # --------------------------------- File is there and owned, init lookup tables
948:
949: %addid=();
950:
951: {
952: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
953: while (<$fh>=~/(\w+)\s+(\w+)/) {
954: $addid{$1}=$2;
955: }
956: }
957:
958: %nokey=();
959:
960: {
961: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
962: map {
963: my $word=$_;
964: chomp($word);
965: $nokey{$word}=1;
966: } <$fh>;
967: }
968:
969: %language=();
970:
971: {
972: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/language.tab');
973: map {
974: $_=~/(\w+)\s+([\w\s\-]+)/;
975: $language{$1}=$2;
976: } <$fh>;
977: }
978:
979: %cprtag=();
980:
981: {
982: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/copyright.tab');
983: map {
984: $_=~/(\w+)\s+([\w\s\-]+)/;
985: $cprtag{$1}=$2;
986: } <$fh>;
987: }
988:
989: }
990:
991: # ----------------------------------------------------------- Start page output
992:
993: $r->content_type('text/html');
994: $r->send_http_header;
995:
996: $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
997: $r->print(
998: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
999: my $thisfn=$fn;
1000:
1001: # ------------------------------------------------------------- Individual file
1002: {
1003: $thisfn=~/\.(\w+)$/;
1004: my $thistype=$1;
1005: my $thisembstyle=&Apache::lonnet::fileembstyle($thistype);
1006:
1007: my $thistarget=$thisfn;
1008:
1009: $thistarget=~s/^\/home/$targetdir/;
1010: $thistarget=~s/\/public\_html//;
1011:
1012: my $thisdistarget=$thistarget;
1013: $thisdistarget=~s/^$docroot//;
1014:
1015: my $thisdisfn=$thisfn;
1016: $thisdisfn=~s/^\/home\/$cuname\/public_html\///;
1017:
1018: $r->print('<h2>Publishing '.
1019: &Apache::lonnet::filedescription($thistype).' <tt>'.
1020: $thisdisfn.'</tt></h2><b>Target:</b> <tt>'.$thisdistarget.'</tt><p>');
1021:
1022: if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
1023: $r->print('<h3><font color=red>Co-Author: '.$cuname.' at '.$cudom.
1024: '</font></h3>');
1025: }
1026:
1027: if (&Apache::lonnet::fileembstyle($thistype) eq 'ssi') {
1028: $r->print('<br><a href="/adm/diff?filename=/~'.$cuname.'/'.
1029: $thisdisfn.
1030: '&versionone=priv" target=cat>Diffs with Current Version</a><p>');
1031: }
1032:
1033: # ------------ We are publishing from $thisfn to $thistarget with $thisembstyle
1034:
1035: unless ($ENV{'form.phase'} eq 'two') {
1036: $r->print(
1037: '<hr>'.&publish($thisfn,$thistarget,$thisembstyle));
1038: } else {
1039: $r->print(
1040: '<hr>'.&phasetwo($thisfn,$thistarget,$thisembstyle,$thisdistarget));
1041: }
1042:
1043: }
1044: $r->print('</body></html>');
1045:
1046: return OK;
1047: }
1048:
1049: 1;
1050: __END__
1051:
1052:
1053:
1054:
1055:
1056:
1057:
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