Annotation of loncom/publisher/lonpublisher.pm, revision 1.82
1.1 www 1: # The LearningOnline Network with CAPA
2: # Publication Handler
1.54 albertel 3: #
1.82 ! albertel 4: # $Id: lonpublisher.pm,v 1.81 2002/05/17 22:08:01 albertel Exp $
1.54 albertel 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
1.1 www 28: #
29: # (TeX Content Handler
30: #
31: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
32: #
1.15 www 33: # 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
1.20 www 34: # 03/23 Guy Albertelli
1.23 www 35: # 03/24,03/29,04/03 Gerd Kortemeyer
1.24 harris41 36: # 04/16/2001 Scott Harrison
1.27 www 37: # 05/03,05/05,05/07 Gerd Kortemeyer
1.30 harris41 38: # 05/28/2001 Scott Harrison
1.51 www 39: # 06/23,08/07,08/11,8/13,8/17,8/18,8/24,9/26,10/16 Gerd Kortemeyer
1.58 www 40: # 12/04,12/05 Guy Albertelli
41: # 12/05 Gerd Kortemeyer
1.62 www 42: # 12/05 Guy Albertelli
1.64 www 43: # 12/06,12/07 Gerd Kortemeyer
1.66 harris41 44: # 12/15,12/16 Scott Harrison
1.67 www 45: # 12/25 Gerd Kortemeyer
1.71 www 46: # YEAR=2002
47: # 1/16,1/17 Scott Harrison
48: # 1/17 Gerd Kortemeyer
1.65 harris41 49: #
50: ###
51:
52: ###############################################################################
53: ## ##
54: ## ORGANIZATION OF THIS PERL MODULE ##
55: ## ##
56: ## 1. Modules used by this module ##
57: ## 2. Various subroutines ##
58: ## 3. Publication Step One ##
59: ## 4. Phase Two ##
60: ## 5. Main Handler ##
61: ## ##
62: ###############################################################################
1.1 www 63:
64: package Apache::lonpublisher;
65:
1.65 harris41 66: # ------------------------------------------------- modules used by this module
1.1 www 67: use strict;
68: use Apache::File;
1.13 www 69: use File::Copy;
1.2 www 70: use Apache::Constants qw(:common :http :methods);
1.76 albertel 71: use HTML::LCParser;
1.4 www 72: use Apache::lonxml;
1.17 albertel 73: use Apache::lonhomework;
1.27 www 74: use Apache::loncacc;
1.24 harris41 75: use DBI;
1.65 harris41 76: use Apache::lonnet();
77: use Apache::loncommon();
1.2 www 78:
1.3 www 79: my %addid;
1.5 www 80: my %nokey;
1.10 www 81:
1.7 www 82: my %metadatafields;
83: my %metadatakeys;
84:
1.12 www 85: my $docroot;
86:
1.27 www 87: my $cuname;
88: my $cudom;
89:
1.12 www 90: # ----------------------------------------------- Evaluate string with metadata
1.7 www 91: sub metaeval {
92: my $metastring=shift;
93:
1.76 albertel 94: my $parser=HTML::LCParser->new(\$metastring);
1.7 www 95: my $token;
96: while ($token=$parser->get_token) {
97: if ($token->[0] eq 'S') {
98: my $entry=$token->[1];
99: my $unikey=$entry;
1.32 www 100: if (defined($token->[2]->{'package'})) {
101: $unikey.='_package_'.$token->[2]->{'package'};
102: }
1.7 www 103: if (defined($token->[2]->{'part'})) {
104: $unikey.='_'.$token->[2]->{'part'};
105: }
1.32 www 106: if (defined($token->[2]->{'id'})) {
1.49 www 107: $unikey.='_'.$token->[2]->{'id'};
1.32 www 108: }
1.7 www 109: if (defined($token->[2]->{'name'})) {
110: $unikey.='_'.$token->[2]->{'name'};
111: }
1.65 harris41 112: foreach (@{$token->[3]}) {
1.7 www 113: $metadatafields{$unikey.'.'.$_}=$token->[2]->{$_};
114: if ($metadatakeys{$unikey}) {
115: $metadatakeys{$unikey}.=','.$_;
116: } else {
117: $metadatakeys{$unikey}=$_;
118: }
1.65 harris41 119: }
1.7 www 120: if ($metadatafields{$unikey}) {
1.8 www 121: my $newentry=$parser->get_text('/'.$entry);
1.41 www 122: unless (($metadatafields{$unikey}=~/$newentry/) ||
123: ($newentry eq '')) {
1.8 www 124: $metadatafields{$unikey}.=', '.$newentry;
125: }
1.7 www 126: } else {
127: $metadatafields{$unikey}=$parser->get_text('/'.$entry);
128: }
129: }
130: }
131: }
132:
1.12 www 133: # -------------------------------------------------------- Read a metadata file
1.7 www 134: sub metaread {
135: my ($logfile,$fn)=@_;
136: unless (-e $fn) {
137: print $logfile 'No file '.$fn."\n";
138: return '<br><b>No file:</b> <tt>'.$fn.'</tt>';
139: }
140: print $logfile 'Processing '.$fn."\n";
141: my $metastring;
142: {
143: my $metafh=Apache::File->new($fn);
144: $metastring=join('',<$metafh>);
145: }
146: &metaeval($metastring);
147: return '<br><b>Processed file:</b> <tt>'.$fn.'</tt>';
148: }
149:
1.25 harris41 150: # ---------------------------- convert 'time' format into a datetime sql format
151: sub sqltime {
1.70 harris41 152: my $timef=shift @_;
1.25 harris41 153: my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
1.70 harris41 154: localtime($timef);
1.25 harris41 155: $mon++; $year+=1900;
156: return "$year-$mon-$mday $hour:$min:$sec";
157: }
158:
1.12 www 159: # --------------------------------------------------------- Various form fields
160:
1.8 www 161: sub textfield {
1.10 www 162: my ($title,$name,$value)=@_;
1.8 www 163: return "\n<p><b>$title:</b><br>".
1.11 www 164: '<input type=text name="'.$name.'" size=80 value="'.$value.'">';
165: }
166:
167: sub hiddenfield {
168: my ($name,$value)=@_;
169: return "\n".'<input type=hidden name="'.$name.'" value="'.$value.'">';
1.8 www 170: }
171:
1.9 www 172: sub selectbox {
1.65 harris41 173: my ($title,$name,$value,$functionref,@idlist)=@_;
174: my $uctitle=uc($title);
175: my $selout="\n<p><font color=\"#800000\" face=\"helvetica\"><b>$uctitle:".
176: "</b></font><br />".'<select name="'.$name.'">';
177: foreach (@idlist) {
178: $selout.='<option value=\''.$_.'\'';
179: if ($_ eq $value) {
180: $selout.=' selected>'.&{$functionref}($_).'</option>';
181: }
182: else {$selout.='>'.&{$functionref}($_).'</option>';}
183: }
1.10 www 184: return $selout.'</select>';
1.9 www 185: }
186:
1.12 www 187: # -------------------------------------------------------- Publication Step One
188:
1.34 www 189: sub urlfixup {
1.35 www 190: my ($url,$target)=@_;
1.39 www 191: unless ($url) { return ''; }
1.68 albertel 192: #javascript code needs no fixing
193: if ($url =~ /^javascript:/i) { return $url; }
1.69 albertel 194: if ($url =~ /^mailto:/i) { return $url; }
1.68 albertel 195: #internal document links need no fixing
196: if ($url =~ /^\#/) { return $url; }
1.35 www 197: my ($host)=($url=~/(?:http\:\/\/)*([^\/]+)/);
1.65 harris41 198: foreach (values %Apache::lonnet::hostname) {
1.35 www 199: if ($_ eq $host) {
200: $url=~s/^http\:\/\///;
201: $url=~s/^$host//;
202: }
1.65 harris41 203: }
1.40 www 204: if ($url=~/^http\:\/\//) { return $url; }
1.35 www 205: $url=~s/\~$cuname/res\/$cudom\/$cuname/;
1.71 www 206: return $url;
207: }
208:
209:
210: sub absoluteurl {
211: my ($url,$target)=@_;
212: unless ($url) { return ''; }
1.35 www 213: if ($target) {
214: $target=~s/\/[^\/]+$//;
215: $url=&Apache::lonnet::hreflocation($target,$url);
216: }
217: return $url;
1.34 www 218: }
219:
1.81 albertel 220: sub set_allow {
221: my ($allow,$logfile,$target,$tag,$oldurl)=@_;
222: my $newurl=&urlfixup($oldurl,$target);
223: my $return_url=$oldurl;
224: print $logfile 'GUYURL: '.$tag.':'.$oldurl.' - '.$newurl."\n";
225: if ($newurl ne $oldurl) {
226: $return_url=$newurl;
227: print $logfile 'URL: '.$tag.':'.$oldurl.' - '.$newurl."\n";
228: }
229: if (($newurl !~ /^javascript:/i) &&
230: ($newurl !~ /^mailto:/i) &&
231: ($newurl !~ /^http:/i) &&
232: ($newurl !~ /^\#/)) {
233: $$allow{&absoluteurl($newurl,$target)}=1;
234: }
235: return $return_url
236: }
237:
1.2 www 238: sub publish {
1.50 www 239:
1.2 www 240: my ($source,$target,$style)=@_;
241: my $logfile;
1.4 www 242: my $scrout='';
1.23 www 243: my $allmeta='';
244: my $content='';
1.36 www 245: my %allow=();
246: undef %allow;
1.4 www 247:
1.2 www 248: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
1.7 www 249: return
250: '<font color=red>No write permission to user directory, FAIL</font>';
1.2 www 251: }
252: print $logfile
1.11 www 253: "\n\n================= Publish ".localtime()." Phase One ================\n";
1.2 www 254:
1.3 www 255: if (($style eq 'ssi') || ($style eq 'rat')) {
256: # ------------------------------------------------------- This needs processing
1.4 www 257:
258: # ----------------------------------------------------------------- Backup Copy
1.3 www 259: my $copyfile=$source.'.save';
1.13 www 260: if (copy($source,$copyfile)) {
1.3 www 261: print $logfile "Copied original file to ".$copyfile."\n";
262: } else {
1.13 www 263: print $logfile "Unable to write backup ".$copyfile.':'.$!."\n";
264: return "<font color=red>Failed to write backup copy, $!,FAIL</font>";
1.3 www 265: }
1.4 www 266: # ------------------------------------------------------------- IDs and indices
267:
268: my $maxindex=10;
269: my $maxid=10;
1.23 www 270:
1.4 www 271: my $needsfixup=0;
272:
273: {
274: my $org=Apache::File->new($source);
275: $content=join('',<$org>);
276: }
277: {
1.76 albertel 278: my $parser=HTML::LCParser->new(\$content);
1.4 www 279: my $token;
280: while ($token=$parser->get_token) {
281: if ($token->[0] eq 'S') {
282: my $counter;
283: if ($counter=$addid{$token->[1]}) {
284: if ($counter eq 'id') {
285: if (defined($token->[2]->{'id'})) {
286: $maxid=
287: ($token->[2]->{'id'}>$maxid)?$token->[2]->{'id'}:$maxid;
288: } else {
289: $needsfixup=1;
290: }
291: } else {
292: if (defined($token->[2]->{'index'})) {
293: $maxindex=
294: ($token->[2]->{'index'}>$maxindex)?$token->[2]->{'index'}:$maxindex;
295: } else {
296: $needsfixup=1;
297: }
298: }
299: }
300: }
301: }
302: }
303: if ($needsfixup) {
304: print $logfile "Needs ID and/or index fixup\n".
305: "Max ID : $maxid (min 10)\n".
306: "Max Index: $maxindex (min 10)\n";
1.34 www 307: }
1.4 www 308: my $outstring='';
1.76 albertel 309: my $parser=HTML::LCParser->new(\$content);
1.53 albertel 310: $parser->xml_mode(1);
1.4 www 311: my $token;
312: while ($token=$parser->get_token) {
313: if ($token->[0] eq 'S') {
1.34 www 314: my $counter;
315: my $tag=$token->[1];
1.56 albertel 316: my $lctag=lc($tag);
1.53 albertel 317: unless ($lctag eq 'allow') {
1.34 www 318: my %parms=%{$token->[2]};
1.53 albertel 319: $counter=$addid{$tag};
320: if (!$counter) { $counter=$addid{$lctag}; }
321: if ($counter) {
1.4 www 322: if ($counter eq 'id') {
1.34 www 323: unless (defined($parms{'id'})) {
1.4 www 324: $maxid++;
1.34 www 325: $parms{'id'}=$maxid;
326: print $logfile 'ID: '.$tag.':'.$maxid."\n";
1.4 www 327: }
1.34 www 328: } elsif ($counter eq 'index') {
329: unless (defined($parms{'index'})) {
1.4 www 330: $maxindex++;
1.34 www 331: $parms{'index'}=$maxindex;
332: print $logfile 'Index: '.$tag.':'.$maxindex."\n";
1.4 www 333: }
334: }
1.72 albertel 335: }
336:
337: foreach my $type ('src','href','background','bgimg') {
338: foreach my $key (keys(%parms)) {
1.81 albertel 339: print $logfile "for $type, and $key\n";
1.72 albertel 340: if ($key =~ /^$type$/i) {
1.81 albertel 341: print $logfile "calling set_allow\n";
342: $parms{$key}=&set_allow(\%allow,$logfile,
343: $target,$tag,
344: $parms{$key});
1.34 www 345: }
1.72 albertel 346: }
1.65 harris41 347: }
1.81 albertel 348: # probably a <randomlabel> image type <label>
349: if ($lctag eq 'label' && defined($parms{'description'})) {
350: my $next_token=$parser->get_token();
351: if ($next_token->[0] eq 'T') {
352: $next_token->[1]=&set_allow(\%allow,$logfile,
353: $target,$tag,
354: $next_token->[1]);
355: }
356: $parser->unget_token($next_token);
357: }
1.53 albertel 358: if ($lctag eq 'applet') {
1.38 www 359: my $codebase='';
360: if (defined($parms{'codebase'})) {
361: my $oldcodebase=$parms{'codebase'};
362: unless ($oldcodebase=~/\/$/) {
363: $oldcodebase.='/';
364: }
365: $codebase=&urlfixup($oldcodebase,$target);
366: $codebase=~s/\/$//;
367: if ($codebase ne $oldcodebase) {
368: $parms{'codebase'}=$codebase;
369: print $logfile 'URL codebase: '.$tag.':'.
370: $oldcodebase.' - '.
371: $codebase."\n";
372: }
1.71 www 373: $allow{&absoluteurl($codebase,$target).'/*'}=1;
1.38 www 374: } else {
1.65 harris41 375: foreach ('archive','code','object') {
1.38 www 376: if (defined($parms{$_})) {
377: my $oldurl=$parms{$_};
378: my $newurl=&urlfixup($oldurl,$target);
379: $newurl=~s/\/[^\/]+$/\/\*/;
380: print $logfile 'Allow: applet '.$_.':'.
381: $oldurl.' allows '.
382: $newurl."\n";
1.71 www 383: $allow{&absoluteurl($newurl,$target)}=1;
1.38 www 384: }
1.65 harris41 385: }
1.38 www 386: }
387: }
1.34 www 388:
389: my $newparmstring='';
390: my $endtag='';
1.65 harris41 391: foreach (keys %parms) {
1.34 www 392: if ($_ eq '/') {
393: $endtag=' /';
394: } else {
395: my $quote=($parms{$_}=~/\"/?"'":'"');
396: $newparmstring.=' '.$_.'='.$quote.$parms{$_}.$quote;
397: }
1.65 harris41 398: }
1.57 albertel 399: if (!$endtag) { if ($token->[4]=~m:/>$:) { $endtag=' /'; }; }
1.34 www 400: $outstring.='<'.$tag.$newparmstring.$endtag.'>';
1.36 www 401: } else {
402: $allow{$token->[2]->{'src'}}=1;
403: }
1.4 www 404: } elsif ($token->[0] eq 'E') {
1.57 albertel 405: if ($token->[2]) {
1.34 www 406: unless ($token->[1] eq 'allow') {
1.41 www 407: $outstring.='</'.$token->[1].'>';
1.34 www 408: }
1.57 albertel 409: }
1.4 www 410: } else {
411: $outstring.=$token->[1];
412: }
413: }
1.36 www 414: # ------------------------------------------------------------ Construct Allows
1.62 www 415:
1.44 www 416: $scrout.='<h3>Dependencies</h3>';
1.62 www 417: my $allowstr='';
1.73 albertel 418: foreach (sort(keys(%allow))) {
1.59 www 419: my $thisdep=$_;
1.73 albertel 420: if ($thisdep !~ /[^\s]/) { next; }
1.62 www 421: unless ($style eq 'rat') {
422: $allowstr.="\n".'<allow src="'.$thisdep.'" />';
423: }
1.44 www 424: $scrout.='<br>';
1.59 www 425: unless ($thisdep=~/\*/) {
426: $scrout.='<a href="'.$thisdep.'">';
1.44 www 427: }
1.59 www 428: $scrout.='<tt>'.$thisdep.'</tt>';
429: unless ($thisdep=~/\*/) {
1.44 www 430: $scrout.='</a>';
1.59 www 431: if (
432: &Apache::lonnet::getfile($Apache::lonnet::perlvar{'lonDocRoot'}.'/'.
433: $thisdep.'.meta') eq '-1') {
1.58 www 434: $scrout.=
435: ' - <font color=red>Currently not available</font>';
1.59 www 436: } else {
437: my %temphash=(&Apache::lonnet::declutter($target).'___'.
438: &Apache::lonnet::declutter($thisdep).'___usage'
439: => time);
440: $thisdep=~/^\/res\/(\w+)\/(\w+)\//;
441: if ((defined($1)) && (defined($2))) {
442: &Apache::lonnet::put('resevaldata',\%temphash,$1,$2);
443: }
444: }
1.44 www 445: }
1.65 harris41 446: }
1.71 www 447: $allowstr=~s/\n+/\n/g;
1.36 www 448: $outstring=~s/(\<\/[^\>]+\>\s*)$/$allowstr$1/s;
1.62 www 449:
1.76 albertel 450: #Encode any High ASCII characters
451: $outstring=&HTML::Entities::encode($outstring,"\200-\377");
1.37 www 452: # ------------------------------------------------------------- Write modified
453:
1.4 www 454: {
455: my $org;
456: unless ($org=Apache::File->new('>'.$source)) {
457: print $logfile "No write permit to $source\n";
1.7 www 458: return
459: "<font color=red>No write permission to $source, FAIL</font>";
1.4 www 460: }
461: print $org $outstring;
462: }
463: $content=$outstring;
1.34 www 464:
465: if ($needsfixup) {
1.4 www 466: print $logfile "End of ID and/or index fixup\n".
467: "Max ID : $maxid (min 10)\n".
468: "Max Index: $maxindex (min 10)\n";
469: } else {
470: print $logfile "Does not need ID and/or index fixup\n";
471: }
1.37 www 472: }
1.7 www 473: # --------------------------------------------- Initial step done, now metadata
474:
475: # ---------------------------------------- Storage for metadata keys and fields
476:
1.8 www 477: %metadatafields=();
478: %metadatakeys=();
479:
480: my %oldparmstores=();
1.44 www 481:
482: $scrout.='<h3>Metadata Information</h3>';
1.7 www 483:
484: # ------------------------------------------------ First, check out environment
1.8 www 485: unless (-e $source.'.meta') {
1.7 www 486: $metadatafields{'author'}=$ENV{'environment.firstname'}.' '.
487: $ENV{'environment.middlename'}.' '.
488: $ENV{'environment.lastname'}.' '.
489: $ENV{'environment.generation'};
1.8 www 490: $metadatafields{'author'}=~s/\s+/ /g;
491: $metadatafields{'author'}=~s/\s+$//;
1.27 www 492: $metadatafields{'owner'}=$cuname.'@'.$cudom;
1.7 www 493:
494: # ------------------------------------------------ Check out directory hierachy
495:
496: my $thisdisfn=$source;
1.27 www 497: $thisdisfn=~s/^\/home\/$cuname\///;
1.7 www 498:
499: my @urlparts=split(/\//,$thisdisfn);
500: $#urlparts--;
501:
1.27 www 502: my $currentpath='/home/'.$cuname.'/';
1.7 www 503:
1.65 harris41 504: foreach (@urlparts) {
1.7 www 505: $currentpath.=$_.'/';
506: $scrout.=&metaread($logfile,$currentpath.'default.meta');
1.65 harris41 507: }
1.7 www 508:
509: # ------------------- Clear out parameters and stores (there should not be any)
510:
1.65 harris41 511: foreach (keys %metadatafields) {
1.7 www 512: if (($_=~/^parameter/) || ($_=~/^stores/)) {
513: delete $metadatafields{$_};
514: }
1.65 harris41 515: }
1.7 www 516:
1.8 www 517: } else {
1.7 www 518: # ---------------------- Read previous metafile, remember parameters and stores
519:
520: $scrout.=&metaread($logfile,$source.'.meta');
521:
1.65 harris41 522: foreach (keys %metadatafields) {
1.7 www 523: if (($_=~/^parameter/) || ($_=~/^stores/)) {
524: $oldparmstores{$_}=1;
525: delete $metadatafields{$_};
526: }
1.65 harris41 527: }
1.7 www 528:
1.8 www 529: }
1.7 www 530:
1.4 www 531: # -------------------------------------------------- Parse content for metadata
1.37 www 532: if ($style eq 'ssi') {
1.42 www 533: my $oldenv=$ENV{'request.uri'};
534:
535: $ENV{'request.uri'}=$target;
1.82 ! albertel 536: $allmeta=Apache::lonxml::xmlparse(undef,'meta',$content);
1.42 www 537: $ENV{'request.uri'}=$oldenv;
1.32 www 538:
1.19 albertel 539: &metaeval($allmeta);
1.37 www 540: }
1.7 www 541: # ---------------- Find and document discrepancies in the parameters and stores
542:
543: my $chparms='';
1.65 harris41 544: foreach (sort keys %metadatafields) {
1.7 www 545: if (($_=~/^parameter/) || ($_=~/^stores/)) {
546: unless ($_=~/\.\w+$/) {
547: unless ($oldparmstores{$_}) {
548: print $logfile 'New: '.$_."\n";
549: $chparms.=$_.' ';
550: }
551: }
552: }
1.65 harris41 553: }
1.7 www 554: if ($chparms) {
555: $scrout.='<p><b>New parameters or stored values:</b> '.
556: $chparms;
557: }
558:
1.70 harris41 559: $chparms='';
1.65 harris41 560: foreach (sort keys %oldparmstores) {
1.7 www 561: if (($_=~/^parameter/) || ($_=~/^stores/)) {
1.33 www 562: unless (($metadatafields{$_.'.name'}) ||
563: ($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) {
1.7 www 564: print $logfile 'Obsolete: '.$_."\n";
565: $chparms.=$_.' ';
566: }
567: }
1.65 harris41 568: }
1.7 www 569: if ($chparms) {
570: $scrout.='<p><b>Obsolete parameters or stored values:</b> '.
571: $chparms;
572: }
1.37 www 573:
1.8 www 574: # ------------------------------------------------------- Now have all metadata
1.5 www 575:
1.8 www 576: $scrout.=
1.77 matthew 577: '<form name="pubform" action="/adm/publish" method="post">'.
1.63 albertel 578: '<p><input type="submit" value="Finalize Publication" /></p>'.
1.11 www 579: &hiddenfield('phase','two').
580: &hiddenfield('filename',$ENV{'form.filename'}).
581: &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
1.58 www 582: &hiddenfield('dependencies',join(',',keys %allow)).
1.10 www 583: &textfield('Title','title',$metadatafields{'title'}).
584: &textfield('Author(s)','author',$metadatafields{'author'}).
585: &textfield('Subject','subject',$metadatafields{'subject'});
1.5 www 586:
587: # --------------------------------------------------- Scan content for keywords
1.7 www 588:
1.77 matthew 589: my $keywordout=<<"END";
590: <script>
591: function checkAll(field)
592: {
593: for (i = 0; i < field.length; i++)
594: field[i].checked = true ;
595: }
596:
597: function uncheckAll(field)
598: {
599: for (i = 0; i < field.length; i++)
600: field[i].checked = false ;
601: }
602: </script>
603: <p><b>Keywords:</b>
604: <input type="button" value="check all" onclick="javascript:checkAll(document.pubform.keywords)">
605: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.pubform.keywords)">
606: <br />
607: END
608: $keywordout.='<table border=2><tr>';
1.7 www 609: my $colcount=0;
1.67 www 610: my %keywords=();
1.7 www 611:
1.52 albertel 612: if (length($content)<500000) {
1.5 www 613: my $textonly=$content;
614: $textonly=~s/\<script[^\<]+\<\/script\>//g;
615: $textonly=~s/\<m\>[^\<]+\<\/m\>//g;
616: $textonly=~s/\<[^\>]*\>//g;
617: $textonly=~tr/A-Z/a-z/;
618: $textonly=~s/[\$\&][a-z]\w*//g;
619: $textonly=~s/[^a-z\s]//g;
620:
1.65 harris41 621: foreach ($textonly=~m/(\w+)/g) {
1.50 www 622: unless ($nokey{$_}) {
623: $keywords{$_}=1;
624: }
1.65 harris41 625: }
1.67 www 626: }
1.5 www 627:
1.67 www 628:
1.65 harris41 629: foreach (split(/\W+/,$metadatafields{'keywords'})) {
1.12 www 630: $keywords{$_}=1;
1.65 harris41 631: }
1.5 www 632:
1.65 harris41 633: foreach (sort keys %keywords) {
1.77 matthew 634: $keywordout.='<td><input type=checkbox name="keywords" value="'.$_.'"';
1.67 www 635: if ($metadatafields{'keywords'}) {
636: if ($metadatafields{'keywords'}=~/$_/) {
637: $keywordout.=' checked';
638: }
639: } elsif (&Apache::loncommon::keyword($_)) {
1.73 albertel 640: $keywordout.=' checked';
1.67 www 641: }
1.8 www 642: $keywordout.='>'.$_.'</td>';
1.7 www 643: if ($colcount>10) {
644: $keywordout.="</tr><tr>\n";
645: $colcount=0;
646: }
1.50 www 647: $colcount++;
1.65 harris41 648: }
1.50 www 649:
1.51 www 650: $keywordout.='</tr></table>';
651:
652: $scrout.=$keywordout;
1.9 www 653:
1.12 www 654: $scrout.=&textfield('Additional Keywords','addkey','');
655:
1.10 www 656: $scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
1.9 www 657:
658: $scrout.=
659: '<p><b>Abstract:</b><br><textarea cols=80 rows=5 name=abstract>'.
660: $metadatafields{'abstract'}.'</textarea>';
661:
1.11 www 662: $source=~/\.(\w+)$/;
663:
664: $scrout.=&hiddenfield('mime',$1);
665:
1.10 www 666: $scrout.=&selectbox('Language','language',
1.65 harris41 667: $metadatafields{'language'},
1.70 harris41 668: \&Apache::loncommon::languagedescription,
1.65 harris41 669: (&Apache::loncommon::languageids),
670: );
1.11 www 671:
672: unless ($metadatafields{'creationdate'}) {
673: $metadatafields{'creationdate'}=time;
674: }
675: $scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'});
676:
677: $scrout.=&hiddenfield('lastrevisiondate',time);
678:
1.9 www 679:
1.10 www 680: $scrout.=&textfield('Publisher/Owner','owner',
681: $metadatafields{'owner'});
1.45 www 682: # --------------------------------------------------- Correct copyright for rat
683: if ($style eq 'rat') {
1.65 harris41 684: if ($metadatafields{'copyright'} eq 'public') {
685: delete $metadatafields{'copyright'};
686: }
687: $scrout.=&selectbox('Copyright/Distribution','copyright',
688: $metadatafields{'copyright'},
1.70 harris41 689: \&Apache::loncommon::copyrightdescription,
1.65 harris41 690: (grep !/^public$/,(&Apache::loncommon::copyrightids)));
691: }
692: else {
1.10 www 693: $scrout.=&selectbox('Copyright/Distribution','copyright',
1.65 harris41 694: $metadatafields{'copyright'},
1.70 harris41 695: \&Apache::loncommon::copyrightdescription,
1.65 harris41 696: (&Apache::loncommon::copyrightids));
697: }
1.8 www 698: return $scrout.
1.63 albertel 699: '<p><input type="submit" value="Finalize Publication" /></p></form>';
1.2 www 700: }
1.1 www 701:
1.12 www 702: # -------------------------------------------------------- Publication Step Two
703:
1.11 www 704: sub phasetwo {
705:
1.24 harris41 706: my ($source,$target,$style,$distarget)=@_;
1.11 www 707: my $logfile;
708: my $scrout='';
709: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
710: return
711: '<font color=red>No write permission to user directory, FAIL</font>';
712: }
713: print $logfile
714: "\n================= Publish ".localtime()." Phase Two ================\n";
715:
716: %metadatafields=();
717: %metadatakeys=();
718:
719: &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
720:
721: $metadatafields{'title'}=$ENV{'form.title'};
722: $metadatafields{'author'}=$ENV{'form.author'};
723: $metadatafields{'subject'}=$ENV{'form.subject'};
724: $metadatafields{'notes'}=$ENV{'form.notes'};
725: $metadatafields{'abstract'}=$ENV{'form.abstract'};
726: $metadatafields{'mime'}=$ENV{'form.mime'};
727: $metadatafields{'language'}=$ENV{'form.language'};
728: $metadatafields{'creationdate'}=$ENV{'form.creationdate'};
729: $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'};
730: $metadatafields{'owner'}=$ENV{'form.owner'};
731: $metadatafields{'copyright'}=$ENV{'form.copyright'};
1.60 www 732: $metadatafields{'dependencies'}=$ENV{'form.dependencies'};
1.12 www 733:
734: my $allkeywords=$ENV{'form.addkey'};
1.79 matthew 735: if (exists($ENV{'form.keywords'}) && (ref($ENV{'form.keywords'}))) {
1.78 matthew 736: my @Keywords = @{$ENV{'form.keywords'}};
737: foreach (@Keywords) {
738: $allkeywords.=','.$_;
739: }
1.65 harris41 740: }
1.12 www 741: $allkeywords=~s/\W+/\,/;
742: $allkeywords=~s/^\,//;
743: $metadatafields{'keywords'}=$allkeywords;
744:
745: {
746: print $logfile "\nWrite metadata file for ".$source;
747: my $mfh;
748: unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
749: return
750: '<font color=red>Could not write metadata, FAIL</font>';
1.65 harris41 751: }
752: foreach (sort keys %metadatafields) {
1.12 www 753: unless ($_=~/\./) {
754: my $unikey=$_;
755: $unikey=~/^([A-Za-z]+)/;
756: my $tag=$1;
757: $tag=~tr/A-Z/a-z/;
758: print $mfh "\n\<$tag";
1.65 harris41 759: foreach (split(/\,/,$metadatakeys{$unikey})) {
1.12 www 760: my $value=$metadatafields{$unikey.'.'.$_};
761: $value=~s/\"/\'\'/g;
762: print $mfh ' '.$_.'="'.$value.'"';
1.65 harris41 763: }
1.76 albertel 764: print $mfh '>'.
765: &HTML::Entities::encode($metadatafields{$unikey})
766: .'</'.$tag.'>';
1.12 www 767: }
1.65 harris41 768: }
1.12 www 769: $scrout.='<p>Wrote Metadata';
770: print $logfile "\nWrote metadata";
771: }
772:
1.24 harris41 773: # -------------------------------- Synchronize entry with SQL metadata database
1.64 www 774: my $warning;
775:
776: unless ($metadatafields{'copyright'} eq 'priv') {
1.25 harris41 777:
1.24 harris41 778: my $dbh;
779: {
780: unless (
1.64 www 781: $dbh = DBI->connect("DBI:mysql:loncapa","www",
782: $Apache::lonnet::perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
1.24 harris41 783: ) {
1.29 harris41 784: $warning='<font color=red>WARNING: Cannot connect to '.
785: 'database!</font>';
786: }
787: else {
788: my %sqldatafields;
789: $sqldatafields{'url'}=$distarget;
790: my $sth=$dbh->prepare(
791: 'delete from metadata where url like binary'.
792: '"'.$sqldatafields{'url'}.'"');
793: $sth->execute();
1.65 harris41 794: foreach ('title','author','subject','keywords','notes','abstract',
1.29 harris41 795: 'mime','language','creationdate','lastrevisiondate','owner',
1.65 harris41 796: 'copyright') {
797: my $field=$metadatafields{$_}; $field=~s/\"/\'\'/g;
798: $sqldatafields{$_}=$field;
799: }
1.29 harris41 800:
801: $sth=$dbh->prepare('insert into metadata values ('.
802: '"'.delete($sqldatafields{'title'}).'"'.','.
803: '"'.delete($sqldatafields{'author'}).'"'.','.
804: '"'.delete($sqldatafields{'subject'}).'"'.','.
805: '"'.delete($sqldatafields{'url'}).'"'.','.
806: '"'.delete($sqldatafields{'keywords'}).'"'.','.
807: '"'.'current'.'"'.','.
808: '"'.delete($sqldatafields{'notes'}).'"'.','.
809: '"'.delete($sqldatafields{'abstract'}).'"'.','.
810: '"'.delete($sqldatafields{'mime'}).'"'.','.
811: '"'.delete($sqldatafields{'language'}).'"'.','.
812: '"'.
813: sqltime(delete($sqldatafields{'creationdate'}))
814: .'"'.','.
815: '"'.
816: sqltime(delete(
817: $sqldatafields{'lastrevisiondate'})).'"'.','.
818: '"'.delete($sqldatafields{'owner'}).'"'.','.
819: '"'.delete(
820: $sqldatafields{'copyright'}).'"'.')');
821: $sth->execute();
822: $dbh->disconnect;
823: $scrout.='<p>Synchronized SQL metadata database';
824: print $logfile "\nSynchronized SQL metadata database";
1.24 harris41 825: }
826: }
827:
1.64 www 828: } else {
829: $scrout.='<p>Private Publication - did not synchronize database';
1.66 harris41 830: print $logfile "\nPrivate: Did not synchronize data into ".
831: "SQL metadata database";
1.64 www 832: }
1.12 www 833: # ----------------------------------------------------------- Copy old versions
834:
835: if (-e $target) {
836: my $filename;
837: my $maxversion=0;
838: $target=~/(.*)\/([^\/]+)\.(\w+)$/;
839: my $srcf=$2;
840: my $srct=$3;
841: my $srcd=$1;
842: unless ($srcd=~/^\/home\/httpd\/html\/res/) {
843: print $logfile "\nPANIC: Target dir is ".$srcd;
844: return "<font color=red>Invalid target directory, FAIL</font>";
845: }
846: opendir(DIR,$srcd);
847: while ($filename=readdir(DIR)) {
848: if ($filename=~/$srcf\.(\d+)\.$srct$/) {
849: $maxversion=($1>$maxversion)?$1:$maxversion;
850: }
851: }
852: closedir(DIR);
853: $maxversion++;
854: $scrout.='<p>Creating old version '.$maxversion;
855: print $logfile "\nCreating old version ".$maxversion;
856:
857: my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
858:
1.13 www 859: if (copy($target,$copyfile)) {
1.12 www 860: print $logfile "Copied old target to ".$copyfile."\n";
861: $scrout.='<p>Copied old target file';
862: } else {
1.13 www 863: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
864: return "<font color=red>Failed to copy old target, $!, FAIL</font>";
1.12 www 865: }
866:
867: # --------------------------------------------------------------- Copy Metadata
868:
869: $copyfile=$copyfile.'.meta';
1.13 www 870:
871: if (copy($target.'.meta',$copyfile)) {
1.14 www 872: print $logfile "Copied old target metadata to ".$copyfile."\n";
1.12 www 873: $scrout.='<p>Copied old metadata';
874: } else {
1.13 www 875: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
1.14 www 876: if (-e $target.'.meta') {
877: return
1.13 www 878: "<font color=red>Failed to write old metadata copy, $!, FAIL</font>";
1.14 www 879: }
1.12 www 880: }
1.11 www 881:
882:
1.12 www 883: } else {
884: $scrout.='<p>Initial version';
885: print $logfile "\nInitial version";
886: }
887:
888: # ---------------------------------------------------------------- Write Source
889: my $copyfile=$target;
890:
891: my @parts=split(/\//,$copyfile);
892: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
893:
894: my $count;
895: for ($count=5;$count<$#parts;$count++) {
896: $path.="/$parts[$count]";
897: if ((-e $path)!=1) {
898: print $logfile "\nCreating directory ".$path;
899: $scrout.='<p>Created directory '.$parts[$count];
900: mkdir($path,0777);
901: }
902: }
903:
1.13 www 904: if (copy($source,$copyfile)) {
1.12 www 905: print $logfile "Copied original source to ".$copyfile."\n";
906: $scrout.='<p>Copied source file';
907: } else {
1.13 www 908: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
909: return "<font color=red>Failed to copy source, $!, FAIL</font>";
1.12 www 910: }
911:
912: # --------------------------------------------------------------- Copy Metadata
913:
1.13 www 914: $copyfile=$copyfile.'.meta';
915:
916: if (copy($source.'.meta',$copyfile)) {
1.12 www 917: print $logfile "Copied original metadata to ".$copyfile."\n";
918: $scrout.='<p>Copied metadata';
919: } else {
1.13 www 920: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
1.12 www 921: return
1.13 www 922: "<font color=red>Failed to write metadata copy, $!, FAIL</font>";
1.12 www 923: }
924:
925: # --------------------------------------------------- Send update notifications
926:
927: {
928:
929: my $filename;
930:
931: $target=~/(.*)\/([^\/]+)$/;
932: my $srcf=$2;
933: opendir(DIR,$1);
934: while ($filename=readdir(DIR)) {
935: if ($filename=~/$srcf\.(\w+)$/) {
936: my $subhost=$1;
937: if ($subhost ne 'meta') {
938: $scrout.='<p>Notifying host '.$subhost.':';
939: print $logfile "\nNotifying host '.$subhost.':'";
940: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
1.20 www 941: $scrout.=$reply;
942: print $logfile $reply;
943: }
944: }
945: }
946: closedir(DIR);
947:
948: }
949:
950: # ---------------------------------------- Send update notifications, meta only
951:
952: {
953:
954: my $filename;
955:
956: $target=~/(.*)\/([^\/]+)$/;
957: my $srcf=$2.'.meta';
958: opendir(DIR,$1);
959: while ($filename=readdir(DIR)) {
960: if ($filename=~/$srcf\.(\w+)$/) {
961: my $subhost=$1;
962: if ($subhost ne 'meta') {
963: $scrout.=
964: '<p>Notifying host for metadata only '.$subhost.':';
965: print $logfile
966: "\nNotifying host for metadata only '.$subhost.':'";
967: my $reply=&Apache::lonnet::critical(
968: 'update:'.$target.'.meta',$subhost);
1.12 www 969: $scrout.=$reply;
970: print $logfile $reply;
971: }
972: }
973: }
974: closedir(DIR);
975:
976: }
977:
978: # ------------------------------------------------ Provide link to new resource
979:
980: my $thisdistarget=$target;
981: $thisdistarget=~s/^$docroot//;
982:
1.22 www 983: my $thissrc=$source;
984: $thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/;
985:
986: my $thissrcdir=$thissrc;
987: $thissrcdir=~s/\/[^\/]+$/\//;
988:
989:
1.29 harris41 990: return $warning.$scrout.
1.75 matthew 991: '<hr><a href="'.$thisdistarget.'"><font size=+2>View Published Version</font></a>'.
1.22 www 992: '<p><a href="'.$thissrc.'"><font size=+2>Back to Source</font></a>'.
993: '<p><a href="'.$thissrcdir.
994: '"><font size=+2>Back to Source Directory</font></a>';
995:
1.11 www 996: }
997:
1.1 www 998: # ================================================================ Main Handler
999:
1000: sub handler {
1001: my $r=shift;
1.2 www 1002:
1003: if ($r->header_only) {
1004: $r->content_type('text/html');
1005: $r->send_http_header;
1006: return OK;
1007: }
1008:
1.43 www 1009: # Get query string for limited number of parameters
1010:
1.80 matthew 1011: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1012: ['filename']);
1.43 www 1013:
1.2 www 1014: # -------------------------------------------------------------- Check filename
1015:
1016: my $fn=$ENV{'form.filename'};
1017:
1.27 www 1018:
1.2 www 1019: unless ($fn) {
1.27 www 1020: $r->log_reason($cuname.' at '.$cudom.
1.2 www 1021: ' trying to publish empty filename', $r->filename);
1022: return HTTP_NOT_FOUND;
1023: }
1.4 www 1024:
1.31 www 1025: ($cuname,$cudom)=
1026: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
1027: unless (($cuname) && ($cudom)) {
1.27 www 1028: $r->log_reason($cuname.' at '.$cudom.
1.4 www 1029: ' trying to publish file '.$ENV{'form.filename'}.
1.27 www 1030: ' ('.$fn.') - not authorized',
1031: $r->filename);
1032: return HTTP_NOT_ACCEPTABLE;
1033: }
1034:
1035: unless (&Apache::lonnet::homeserver($cuname,$cudom)
1036: eq $r->dir_config('lonHostID')) {
1037: $r->log_reason($cuname.' at '.$cudom.
1038: ' trying to publish file '.$ENV{'form.filename'}.
1039: ' ('.$fn.') - not homeserver ('.
1040: &Apache::lonnet::homeserver($cuname,$cudom).')',
1.4 www 1041: $r->filename);
1042: return HTTP_NOT_ACCEPTABLE;
1043: }
1.2 www 1044:
1.43 www 1045: $fn=~s/^http\:\/\/[^\/]+//;
1046: $fn=~s/^\/\~(\w+)/\/home\/$1\/public_html/;
1.2 www 1047:
1048: my $targetdir='';
1.12 www 1049: $docroot=$r->dir_config('lonDocRoot');
1.27 www 1050: if ($1 ne $cuname) {
1051: $r->log_reason($cuname.' at '.$cudom.
1.2 www 1052: ' trying to publish unowned file '.$ENV{'form.filename'}.
1053: ' ('.$fn.')',
1054: $r->filename);
1055: return HTTP_NOT_ACCEPTABLE;
1056: } else {
1.27 www 1057: $targetdir=$docroot.'/res/'.$cudom;
1.2 www 1058: }
1059:
1060:
1061: unless (-e $fn) {
1.27 www 1062: $r->log_reason($cuname.' at '.$cudom.
1.2 www 1063: ' trying to publish non-existing file '.$ENV{'form.filename'}.
1064: ' ('.$fn.')',
1065: $r->filename);
1066: return HTTP_NOT_FOUND;
1067: }
1068:
1.11 www 1069: unless ($ENV{'form.phase'} eq 'two') {
1070:
1.2 www 1071: # --------------------------------- File is there and owned, init lookup tables
1072:
1.3 www 1073: %addid=();
1074:
1075: {
1076: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
1077: while (<$fh>=~/(\w+)\s+(\w+)/) {
1078: $addid{$1}=$2;
1079: }
1.5 www 1080: }
1081:
1082: %nokey=();
1083:
1084: {
1085: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
1.65 harris41 1086: while (<$fh>) {
1.5 www 1087: my $word=$_;
1088: chomp($word);
1089: $nokey{$word}=1;
1.65 harris41 1090: }
1.3 www 1091: }
1.11 www 1092:
1093: }
1094:
1.2 www 1095: # ----------------------------------------------------------- Start page output
1096:
1.1 www 1097: $r->content_type('text/html');
1098: $r->send_http_header;
1099:
1100: $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
1.15 www 1101: $r->print(
1102: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
1.2 www 1103: my $thisfn=$fn;
1104:
1105: # ------------------------------------------------------------- Individual file
1106: {
1107: $thisfn=~/\.(\w+)$/;
1108: my $thistype=$1;
1.65 harris41 1109: my $thisembstyle=&Apache::loncommon::fileembstyle($thistype);
1.2 www 1110:
1111: my $thistarget=$thisfn;
1112:
1113: $thistarget=~s/^\/home/$targetdir/;
1114: $thistarget=~s/\/public\_html//;
1115:
1116: my $thisdistarget=$thistarget;
1117: $thisdistarget=~s/^$docroot//;
1118:
1119: my $thisdisfn=$thisfn;
1.27 www 1120: $thisdisfn=~s/^\/home\/$cuname\/public_html\///;
1.2 www 1121:
1122: $r->print('<h2>Publishing '.
1.66 harris41 1123: &Apache::loncommon::filedescription($thistype).' <tt>'.
1.2 www 1124: $thisdisfn.'</tt></h2><b>Target:</b> <tt>'.$thisdistarget.'</tt><p>');
1.27 www 1125:
1126: if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
1127: $r->print('<h3><font color=red>Co-Author: '.$cuname.' at '.$cudom.
1128: '</font></h3>');
1129: }
1.26 www 1130:
1.65 harris41 1131: if (&Apache::loncommon::fileembstyle($thistype) eq 'ssi') {
1.28 www 1132: $r->print('<br><a href="/adm/diff?filename=/~'.$cuname.'/'.
1133: $thisdisfn.
1.26 www 1134: '&versionone=priv" target=cat>Diffs with Current Version</a><p>');
1135: }
1.11 www 1136:
1.2 www 1137: # ------------ We are publishing from $thisfn to $thistarget with $thisembstyle
1138:
1.11 www 1139: unless ($ENV{'form.phase'} eq 'two') {
1.27 www 1140: $r->print(
1141: '<hr>'.&publish($thisfn,$thistarget,$thisembstyle));
1.11 www 1142: } else {
1.27 www 1143: $r->print(
1144: '<hr>'.&phasetwo($thisfn,$thistarget,$thisembstyle,$thisdistarget));
1.11 www 1145: }
1.2 www 1146:
1.11 www 1147: }
1.1 www 1148: $r->print('</body></html>');
1.15 www 1149:
1.1 www 1150: return OK;
1151: }
1152:
1153: 1;
1154: __END__
1155:
1.66 harris41 1156: =head1 NAME
1.1 www 1157:
1.66 harris41 1158: Apache::lonpublisher - Publication Handler
1.1 www 1159:
1.66 harris41 1160: =head1 SYNOPSIS
1.1 www 1161:
1.66 harris41 1162: Invoked by /etc/httpd/conf/srm.conf:
1.1 www 1163:
1.66 harris41 1164: <Location /adm/publish>
1165: PerlAccessHandler Apache::lonacc
1166: SetHandler perl-script
1167: PerlHandler Apache::lonpublisher
1168: ErrorDocument 403 /adm/login
1169: ErrorDocument 404 /adm/notfound.html
1170: ErrorDocument 406 /adm/unauthorized.html
1171: ErrorDocument 500 /adm/errorhandler
1172: </Location>
1.1 www 1173:
1.66 harris41 1174: =head1 INTRODUCTION
1.1 www 1175:
1.66 harris41 1176: This module publishes a file. This involves gathering metadata,
1177: versioning the file, copying file from construction space to
1178: publication space, and copying metadata from construction space
1179: to publication space.
1180:
1181: This is part of the LearningOnline Network with CAPA project
1182: described at http://www.lon-capa.org.
1183:
1184: =head1 HANDLER SUBROUTINE
1185:
1186: This routine is called by Apache and mod_perl.
1187:
1188: =over 4
1189:
1190: =item *
1191:
1192: Get query string for limited number of parameters
1193:
1194: =item *
1195:
1196: Check filename
1197:
1198: =item *
1199:
1200: File is there and owned, init lookup tables
1201:
1202: =item *
1203:
1204: Start page output
1205:
1206: =item *
1207:
1208: Individual file
1209:
1210: =item *
1211:
1212: publish from $thisfn to $thistarget with $thisembstyle
1213:
1214: =back
1215:
1216: =head1 OTHER SUBROUTINES
1217:
1218: =over 4
1219:
1220: =item *
1221:
1222: metaeval() : Evaluate string with metadata
1223:
1224: =item *
1225:
1226: metaread() : Read a metadata file
1227:
1228: =item *
1229:
1230: sqltime() : convert 'time' format into a datetime sql format
1231:
1232: =item *
1233:
1234: textfield() : form field
1235:
1236: =item *
1237:
1238: hiddenfield() : form field
1239:
1240: =item *
1241:
1242: selectbox() : form field
1243:
1244: =item *
1245:
1246: urlfixup() : fixup URL (Publication Step One)
1247:
1248: =item *
1249:
1250: publish() : publish (Publication Step One)
1251:
1252: =item *
1253:
1254: phasetwo() : render second interface showing status of publication steps
1255: (Publication Step Two)
1256:
1257: =back
1258:
1259: =cut
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