Annotation of loncom/publisher/lonpublisher.pm, revision 1.84
1.1 www 1: # The LearningOnline Network with CAPA
2: # Publication Handler
1.54 albertel 3: #
1.84 ! bowersj2 4: # $Id: lonpublisher.pm,v 1.83 2002/06/24 14:25:38 www 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: }
1.83 www 447: $outstring=~s/\n*(\<\/[^\>]+\>)\s*$/$allowstr\n$1\n/s;
1.62 www 448:
1.76 albertel 449: #Encode any High ASCII characters
450: $outstring=&HTML::Entities::encode($outstring,"\200-\377");
1.37 www 451: # ------------------------------------------------------------- Write modified
452:
1.4 www 453: {
454: my $org;
455: unless ($org=Apache::File->new('>'.$source)) {
456: print $logfile "No write permit to $source\n";
1.7 www 457: return
458: "<font color=red>No write permission to $source, FAIL</font>";
1.4 www 459: }
460: print $org $outstring;
461: }
462: $content=$outstring;
1.34 www 463:
464: if ($needsfixup) {
1.4 www 465: print $logfile "End of ID and/or index fixup\n".
466: "Max ID : $maxid (min 10)\n".
467: "Max Index: $maxindex (min 10)\n";
468: } else {
469: print $logfile "Does not need ID and/or index fixup\n";
470: }
1.37 www 471: }
1.7 www 472: # --------------------------------------------- Initial step done, now metadata
473:
474: # ---------------------------------------- Storage for metadata keys and fields
475:
1.8 www 476: %metadatafields=();
477: %metadatakeys=();
478:
479: my %oldparmstores=();
1.44 www 480:
1.84 ! bowersj2 481:
! 482: $scrout.='<h3>Metadata Information ' .
! 483: Apache::loncommon::help_open_topic("Metadata_Description")
! 484: . '</h3>';
1.7 www 485:
486: # ------------------------------------------------ First, check out environment
1.8 www 487: unless (-e $source.'.meta') {
1.7 www 488: $metadatafields{'author'}=$ENV{'environment.firstname'}.' '.
489: $ENV{'environment.middlename'}.' '.
490: $ENV{'environment.lastname'}.' '.
491: $ENV{'environment.generation'};
1.8 www 492: $metadatafields{'author'}=~s/\s+/ /g;
493: $metadatafields{'author'}=~s/\s+$//;
1.27 www 494: $metadatafields{'owner'}=$cuname.'@'.$cudom;
1.7 www 495:
496: # ------------------------------------------------ Check out directory hierachy
497:
498: my $thisdisfn=$source;
1.27 www 499: $thisdisfn=~s/^\/home\/$cuname\///;
1.7 www 500:
501: my @urlparts=split(/\//,$thisdisfn);
502: $#urlparts--;
503:
1.27 www 504: my $currentpath='/home/'.$cuname.'/';
1.7 www 505:
1.65 harris41 506: foreach (@urlparts) {
1.7 www 507: $currentpath.=$_.'/';
508: $scrout.=&metaread($logfile,$currentpath.'default.meta');
1.65 harris41 509: }
1.7 www 510:
511: # ------------------- Clear out parameters and stores (there should not be any)
512:
1.65 harris41 513: foreach (keys %metadatafields) {
1.7 www 514: if (($_=~/^parameter/) || ($_=~/^stores/)) {
515: delete $metadatafields{$_};
516: }
1.65 harris41 517: }
1.7 www 518:
1.8 www 519: } else {
1.7 www 520: # ---------------------- Read previous metafile, remember parameters and stores
521:
522: $scrout.=&metaread($logfile,$source.'.meta');
523:
1.65 harris41 524: foreach (keys %metadatafields) {
1.7 www 525: if (($_=~/^parameter/) || ($_=~/^stores/)) {
526: $oldparmstores{$_}=1;
527: delete $metadatafields{$_};
528: }
1.65 harris41 529: }
1.7 www 530:
1.8 www 531: }
1.7 www 532:
1.4 www 533: # -------------------------------------------------- Parse content for metadata
1.37 www 534: if ($style eq 'ssi') {
1.42 www 535: my $oldenv=$ENV{'request.uri'};
536:
537: $ENV{'request.uri'}=$target;
1.82 albertel 538: $allmeta=Apache::lonxml::xmlparse(undef,'meta',$content);
1.42 www 539: $ENV{'request.uri'}=$oldenv;
1.32 www 540:
1.19 albertel 541: &metaeval($allmeta);
1.37 www 542: }
1.7 www 543: # ---------------- Find and document discrepancies in the parameters and stores
544:
545: my $chparms='';
1.65 harris41 546: foreach (sort keys %metadatafields) {
1.7 www 547: if (($_=~/^parameter/) || ($_=~/^stores/)) {
548: unless ($_=~/\.\w+$/) {
549: unless ($oldparmstores{$_}) {
550: print $logfile 'New: '.$_."\n";
551: $chparms.=$_.' ';
552: }
553: }
554: }
1.65 harris41 555: }
1.7 www 556: if ($chparms) {
557: $scrout.='<p><b>New parameters or stored values:</b> '.
558: $chparms;
559: }
560:
1.70 harris41 561: $chparms='';
1.65 harris41 562: foreach (sort keys %oldparmstores) {
1.7 www 563: if (($_=~/^parameter/) || ($_=~/^stores/)) {
1.33 www 564: unless (($metadatafields{$_.'.name'}) ||
565: ($metadatafields{$_.'.package'}) || ($_=~/\.\w+$/)) {
1.7 www 566: print $logfile 'Obsolete: '.$_."\n";
567: $chparms.=$_.' ';
568: }
569: }
1.65 harris41 570: }
1.7 www 571: if ($chparms) {
572: $scrout.='<p><b>Obsolete parameters or stored values:</b> '.
573: $chparms;
574: }
1.37 www 575:
1.8 www 576: # ------------------------------------------------------- Now have all metadata
1.5 www 577:
1.8 www 578: $scrout.=
1.77 matthew 579: '<form name="pubform" action="/adm/publish" method="post">'.
1.63 albertel 580: '<p><input type="submit" value="Finalize Publication" /></p>'.
1.11 www 581: &hiddenfield('phase','two').
582: &hiddenfield('filename',$ENV{'form.filename'}).
583: &hiddenfield('allmeta',&Apache::lonnet::escape($allmeta)).
1.58 www 584: &hiddenfield('dependencies',join(',',keys %allow)).
1.10 www 585: &textfield('Title','title',$metadatafields{'title'}).
586: &textfield('Author(s)','author',$metadatafields{'author'}).
587: &textfield('Subject','subject',$metadatafields{'subject'});
1.5 www 588:
589: # --------------------------------------------------- Scan content for keywords
1.7 www 590:
1.84 ! bowersj2 591: my $keywords_help = Apache::loncommon::help_open_topic("Publishing_Keywords");
1.77 matthew 592: my $keywordout=<<"END";
593: <script>
594: function checkAll(field)
595: {
596: for (i = 0; i < field.length; i++)
597: field[i].checked = true ;
598: }
599:
600: function uncheckAll(field)
601: {
602: for (i = 0; i < field.length; i++)
603: field[i].checked = false ;
604: }
605: </script>
1.84 ! bowersj2 606: <p><b>Keywords: $keywords_help</b>
1.77 matthew 607: <input type="button" value="check all" onclick="javascript:checkAll(document.pubform.keywords)">
608: <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.pubform.keywords)">
609: <br />
610: END
611: $keywordout.='<table border=2><tr>';
1.7 www 612: my $colcount=0;
1.67 www 613: my %keywords=();
1.7 www 614:
1.52 albertel 615: if (length($content)<500000) {
1.5 www 616: my $textonly=$content;
617: $textonly=~s/\<script[^\<]+\<\/script\>//g;
618: $textonly=~s/\<m\>[^\<]+\<\/m\>//g;
619: $textonly=~s/\<[^\>]*\>//g;
620: $textonly=~tr/A-Z/a-z/;
621: $textonly=~s/[\$\&][a-z]\w*//g;
622: $textonly=~s/[^a-z\s]//g;
623:
1.65 harris41 624: foreach ($textonly=~m/(\w+)/g) {
1.50 www 625: unless ($nokey{$_}) {
626: $keywords{$_}=1;
627: }
1.65 harris41 628: }
1.67 www 629: }
1.5 www 630:
1.67 www 631:
1.65 harris41 632: foreach (split(/\W+/,$metadatafields{'keywords'})) {
1.12 www 633: $keywords{$_}=1;
1.65 harris41 634: }
1.5 www 635:
1.65 harris41 636: foreach (sort keys %keywords) {
1.77 matthew 637: $keywordout.='<td><input type=checkbox name="keywords" value="'.$_.'"';
1.67 www 638: if ($metadatafields{'keywords'}) {
639: if ($metadatafields{'keywords'}=~/$_/) {
640: $keywordout.=' checked';
641: }
642: } elsif (&Apache::loncommon::keyword($_)) {
1.73 albertel 643: $keywordout.=' checked';
1.67 www 644: }
1.8 www 645: $keywordout.='>'.$_.'</td>';
1.7 www 646: if ($colcount>10) {
647: $keywordout.="</tr><tr>\n";
648: $colcount=0;
649: }
1.50 www 650: $colcount++;
1.65 harris41 651: }
1.50 www 652:
1.51 www 653: $keywordout.='</tr></table>';
654:
655: $scrout.=$keywordout;
1.9 www 656:
1.12 www 657: $scrout.=&textfield('Additional Keywords','addkey','');
658:
1.10 www 659: $scrout.=&textfield('Notes','notes',$metadatafields{'notes'});
1.9 www 660:
661: $scrout.=
662: '<p><b>Abstract:</b><br><textarea cols=80 rows=5 name=abstract>'.
663: $metadatafields{'abstract'}.'</textarea>';
664:
1.11 www 665: $source=~/\.(\w+)$/;
666:
667: $scrout.=&hiddenfield('mime',$1);
668:
1.10 www 669: $scrout.=&selectbox('Language','language',
1.65 harris41 670: $metadatafields{'language'},
1.70 harris41 671: \&Apache::loncommon::languagedescription,
1.65 harris41 672: (&Apache::loncommon::languageids),
673: );
1.11 www 674:
675: unless ($metadatafields{'creationdate'}) {
676: $metadatafields{'creationdate'}=time;
677: }
678: $scrout.=&hiddenfield('creationdate',$metadatafields{'creationdate'});
679:
680: $scrout.=&hiddenfield('lastrevisiondate',time);
681:
1.9 www 682:
1.10 www 683: $scrout.=&textfield('Publisher/Owner','owner',
684: $metadatafields{'owner'});
1.45 www 685: # --------------------------------------------------- Correct copyright for rat
1.84 ! bowersj2 686:
1.45 www 687: if ($style eq 'rat') {
1.65 harris41 688: if ($metadatafields{'copyright'} eq 'public') {
689: delete $metadatafields{'copyright'};
690: }
691: $scrout.=&selectbox('Copyright/Distribution','copyright',
692: $metadatafields{'copyright'},
1.70 harris41 693: \&Apache::loncommon::copyrightdescription,
1.65 harris41 694: (grep !/^public$/,(&Apache::loncommon::copyrightids)));
695: }
696: else {
1.10 www 697: $scrout.=&selectbox('Copyright/Distribution','copyright',
1.65 harris41 698: $metadatafields{'copyright'},
1.70 harris41 699: \&Apache::loncommon::copyrightdescription,
1.65 harris41 700: (&Apache::loncommon::copyrightids));
701: }
1.84 ! bowersj2 702:
! 703: my $copyright_help = Apache::loncommon::help_open_topic("Publishing_Copyright");
! 704: $scrout =~ s/DISTRIBUTION:/'DISTRIBUTION: ' . $copyright_help/ge;
1.8 www 705: return $scrout.
1.63 albertel 706: '<p><input type="submit" value="Finalize Publication" /></p></form>';
1.2 www 707: }
1.1 www 708:
1.12 www 709: # -------------------------------------------------------- Publication Step Two
710:
1.11 www 711: sub phasetwo {
712:
1.24 harris41 713: my ($source,$target,$style,$distarget)=@_;
1.11 www 714: my $logfile;
715: my $scrout='';
716: unless ($logfile=Apache::File->new('>>'.$source.'.log')) {
717: return
718: '<font color=red>No write permission to user directory, FAIL</font>';
719: }
720: print $logfile
721: "\n================= Publish ".localtime()." Phase Two ================\n";
722:
723: %metadatafields=();
724: %metadatakeys=();
725:
726: &metaeval(&Apache::lonnet::unescape($ENV{'form.allmeta'}));
727:
728: $metadatafields{'title'}=$ENV{'form.title'};
729: $metadatafields{'author'}=$ENV{'form.author'};
730: $metadatafields{'subject'}=$ENV{'form.subject'};
731: $metadatafields{'notes'}=$ENV{'form.notes'};
732: $metadatafields{'abstract'}=$ENV{'form.abstract'};
733: $metadatafields{'mime'}=$ENV{'form.mime'};
734: $metadatafields{'language'}=$ENV{'form.language'};
735: $metadatafields{'creationdate'}=$ENV{'form.creationdate'};
736: $metadatafields{'lastrevisiondate'}=$ENV{'form.lastrevisiondate'};
737: $metadatafields{'owner'}=$ENV{'form.owner'};
738: $metadatafields{'copyright'}=$ENV{'form.copyright'};
1.60 www 739: $metadatafields{'dependencies'}=$ENV{'form.dependencies'};
1.12 www 740:
741: my $allkeywords=$ENV{'form.addkey'};
1.79 matthew 742: if (exists($ENV{'form.keywords'}) && (ref($ENV{'form.keywords'}))) {
1.78 matthew 743: my @Keywords = @{$ENV{'form.keywords'}};
744: foreach (@Keywords) {
745: $allkeywords.=','.$_;
746: }
1.65 harris41 747: }
1.12 www 748: $allkeywords=~s/\W+/\,/;
749: $allkeywords=~s/^\,//;
750: $metadatafields{'keywords'}=$allkeywords;
751:
752: {
753: print $logfile "\nWrite metadata file for ".$source;
754: my $mfh;
755: unless ($mfh=Apache::File->new('>'.$source.'.meta')) {
756: return
757: '<font color=red>Could not write metadata, FAIL</font>';
1.65 harris41 758: }
759: foreach (sort keys %metadatafields) {
1.12 www 760: unless ($_=~/\./) {
761: my $unikey=$_;
762: $unikey=~/^([A-Za-z]+)/;
763: my $tag=$1;
764: $tag=~tr/A-Z/a-z/;
765: print $mfh "\n\<$tag";
1.65 harris41 766: foreach (split(/\,/,$metadatakeys{$unikey})) {
1.12 www 767: my $value=$metadatafields{$unikey.'.'.$_};
768: $value=~s/\"/\'\'/g;
769: print $mfh ' '.$_.'="'.$value.'"';
1.65 harris41 770: }
1.76 albertel 771: print $mfh '>'.
772: &HTML::Entities::encode($metadatafields{$unikey})
773: .'</'.$tag.'>';
1.12 www 774: }
1.65 harris41 775: }
1.12 www 776: $scrout.='<p>Wrote Metadata';
777: print $logfile "\nWrote metadata";
778: }
779:
1.24 harris41 780: # -------------------------------- Synchronize entry with SQL metadata database
1.64 www 781: my $warning;
782:
783: unless ($metadatafields{'copyright'} eq 'priv') {
1.25 harris41 784:
1.24 harris41 785: my $dbh;
786: {
787: unless (
1.64 www 788: $dbh = DBI->connect("DBI:mysql:loncapa","www",
789: $Apache::lonnet::perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
1.24 harris41 790: ) {
1.29 harris41 791: $warning='<font color=red>WARNING: Cannot connect to '.
792: 'database!</font>';
793: }
794: else {
795: my %sqldatafields;
796: $sqldatafields{'url'}=$distarget;
797: my $sth=$dbh->prepare(
798: 'delete from metadata where url like binary'.
799: '"'.$sqldatafields{'url'}.'"');
800: $sth->execute();
1.65 harris41 801: foreach ('title','author','subject','keywords','notes','abstract',
1.29 harris41 802: 'mime','language','creationdate','lastrevisiondate','owner',
1.65 harris41 803: 'copyright') {
804: my $field=$metadatafields{$_}; $field=~s/\"/\'\'/g;
805: $sqldatafields{$_}=$field;
806: }
1.29 harris41 807:
808: $sth=$dbh->prepare('insert into metadata values ('.
809: '"'.delete($sqldatafields{'title'}).'"'.','.
810: '"'.delete($sqldatafields{'author'}).'"'.','.
811: '"'.delete($sqldatafields{'subject'}).'"'.','.
812: '"'.delete($sqldatafields{'url'}).'"'.','.
813: '"'.delete($sqldatafields{'keywords'}).'"'.','.
814: '"'.'current'.'"'.','.
815: '"'.delete($sqldatafields{'notes'}).'"'.','.
816: '"'.delete($sqldatafields{'abstract'}).'"'.','.
817: '"'.delete($sqldatafields{'mime'}).'"'.','.
818: '"'.delete($sqldatafields{'language'}).'"'.','.
819: '"'.
820: sqltime(delete($sqldatafields{'creationdate'}))
821: .'"'.','.
822: '"'.
823: sqltime(delete(
824: $sqldatafields{'lastrevisiondate'})).'"'.','.
825: '"'.delete($sqldatafields{'owner'}).'"'.','.
826: '"'.delete(
827: $sqldatafields{'copyright'}).'"'.')');
828: $sth->execute();
829: $dbh->disconnect;
830: $scrout.='<p>Synchronized SQL metadata database';
831: print $logfile "\nSynchronized SQL metadata database";
1.24 harris41 832: }
833: }
834:
1.64 www 835: } else {
836: $scrout.='<p>Private Publication - did not synchronize database';
1.66 harris41 837: print $logfile "\nPrivate: Did not synchronize data into ".
838: "SQL metadata database";
1.64 www 839: }
1.12 www 840: # ----------------------------------------------------------- Copy old versions
841:
842: if (-e $target) {
843: my $filename;
844: my $maxversion=0;
845: $target=~/(.*)\/([^\/]+)\.(\w+)$/;
846: my $srcf=$2;
847: my $srct=$3;
848: my $srcd=$1;
849: unless ($srcd=~/^\/home\/httpd\/html\/res/) {
850: print $logfile "\nPANIC: Target dir is ".$srcd;
851: return "<font color=red>Invalid target directory, FAIL</font>";
852: }
853: opendir(DIR,$srcd);
854: while ($filename=readdir(DIR)) {
855: if ($filename=~/$srcf\.(\d+)\.$srct$/) {
856: $maxversion=($1>$maxversion)?$1:$maxversion;
857: }
858: }
859: closedir(DIR);
860: $maxversion++;
861: $scrout.='<p>Creating old version '.$maxversion;
862: print $logfile "\nCreating old version ".$maxversion;
863:
864: my $copyfile=$srcd.'/'.$srcf.'.'.$maxversion.'.'.$srct;
865:
1.13 www 866: if (copy($target,$copyfile)) {
1.12 www 867: print $logfile "Copied old target to ".$copyfile."\n";
868: $scrout.='<p>Copied old target file';
869: } else {
1.13 www 870: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
871: return "<font color=red>Failed to copy old target, $!, FAIL</font>";
1.12 www 872: }
873:
874: # --------------------------------------------------------------- Copy Metadata
875:
876: $copyfile=$copyfile.'.meta';
1.13 www 877:
878: if (copy($target.'.meta',$copyfile)) {
1.14 www 879: print $logfile "Copied old target metadata to ".$copyfile."\n";
1.12 www 880: $scrout.='<p>Copied old metadata';
881: } else {
1.13 www 882: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
1.14 www 883: if (-e $target.'.meta') {
884: return
1.13 www 885: "<font color=red>Failed to write old metadata copy, $!, FAIL</font>";
1.14 www 886: }
1.12 www 887: }
1.11 www 888:
889:
1.12 www 890: } else {
891: $scrout.='<p>Initial version';
892: print $logfile "\nInitial version";
893: }
894:
895: # ---------------------------------------------------------------- Write Source
896: my $copyfile=$target;
897:
898: my @parts=split(/\//,$copyfile);
899: my $path="/$parts[1]/$parts[2]/$parts[3]/$parts[4]";
900:
901: my $count;
902: for ($count=5;$count<$#parts;$count++) {
903: $path.="/$parts[$count]";
904: if ((-e $path)!=1) {
905: print $logfile "\nCreating directory ".$path;
906: $scrout.='<p>Created directory '.$parts[$count];
907: mkdir($path,0777);
908: }
909: }
910:
1.13 www 911: if (copy($source,$copyfile)) {
1.12 www 912: print $logfile "Copied original source to ".$copyfile."\n";
913: $scrout.='<p>Copied source file';
914: } else {
1.13 www 915: print $logfile "Unable to write ".$copyfile.':'.$!."\n";
916: return "<font color=red>Failed to copy source, $!, FAIL</font>";
1.12 www 917: }
918:
919: # --------------------------------------------------------------- Copy Metadata
920:
1.13 www 921: $copyfile=$copyfile.'.meta';
922:
923: if (copy($source.'.meta',$copyfile)) {
1.12 www 924: print $logfile "Copied original metadata to ".$copyfile."\n";
925: $scrout.='<p>Copied metadata';
926: } else {
1.13 www 927: print $logfile "Unable to write metadata ".$copyfile.':'.$!."\n";
1.12 www 928: return
1.13 www 929: "<font color=red>Failed to write metadata copy, $!, FAIL</font>";
1.12 www 930: }
931:
932: # --------------------------------------------------- Send update notifications
933:
934: {
935:
936: my $filename;
937:
938: $target=~/(.*)\/([^\/]+)$/;
939: my $srcf=$2;
940: opendir(DIR,$1);
941: while ($filename=readdir(DIR)) {
942: if ($filename=~/$srcf\.(\w+)$/) {
943: my $subhost=$1;
944: if ($subhost ne 'meta') {
945: $scrout.='<p>Notifying host '.$subhost.':';
946: print $logfile "\nNotifying host '.$subhost.':'";
947: my $reply=&Apache::lonnet::critical('update:'.$target,$subhost);
1.20 www 948: $scrout.=$reply;
949: print $logfile $reply;
950: }
951: }
952: }
953: closedir(DIR);
954:
955: }
956:
957: # ---------------------------------------- Send update notifications, meta only
958:
959: {
960:
961: my $filename;
962:
963: $target=~/(.*)\/([^\/]+)$/;
964: my $srcf=$2.'.meta';
965: opendir(DIR,$1);
966: while ($filename=readdir(DIR)) {
967: if ($filename=~/$srcf\.(\w+)$/) {
968: my $subhost=$1;
969: if ($subhost ne 'meta') {
970: $scrout.=
971: '<p>Notifying host for metadata only '.$subhost.':';
972: print $logfile
973: "\nNotifying host for metadata only '.$subhost.':'";
974: my $reply=&Apache::lonnet::critical(
975: 'update:'.$target.'.meta',$subhost);
1.12 www 976: $scrout.=$reply;
977: print $logfile $reply;
978: }
979: }
980: }
981: closedir(DIR);
982:
983: }
984:
985: # ------------------------------------------------ Provide link to new resource
986:
987: my $thisdistarget=$target;
988: $thisdistarget=~s/^$docroot//;
989:
1.22 www 990: my $thissrc=$source;
991: $thissrc=~s/^\/home\/(\w+)\/public_html/\/priv\/$1/;
992:
993: my $thissrcdir=$thissrc;
994: $thissrcdir=~s/\/[^\/]+$/\//;
995:
996:
1.29 harris41 997: return $warning.$scrout.
1.75 matthew 998: '<hr><a href="'.$thisdistarget.'"><font size=+2>View Published Version</font></a>'.
1.22 www 999: '<p><a href="'.$thissrc.'"><font size=+2>Back to Source</font></a>'.
1000: '<p><a href="'.$thissrcdir.
1001: '"><font size=+2>Back to Source Directory</font></a>';
1002:
1.11 www 1003: }
1004:
1.1 www 1005: # ================================================================ Main Handler
1006:
1007: sub handler {
1008: my $r=shift;
1.2 www 1009:
1010: if ($r->header_only) {
1011: $r->content_type('text/html');
1012: $r->send_http_header;
1013: return OK;
1014: }
1015:
1.43 www 1016: # Get query string for limited number of parameters
1017:
1.80 matthew 1018: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1019: ['filename']);
1.43 www 1020:
1.2 www 1021: # -------------------------------------------------------------- Check filename
1022:
1023: my $fn=$ENV{'form.filename'};
1024:
1.27 www 1025:
1.2 www 1026: unless ($fn) {
1.27 www 1027: $r->log_reason($cuname.' at '.$cudom.
1.2 www 1028: ' trying to publish empty filename', $r->filename);
1029: return HTTP_NOT_FOUND;
1030: }
1.4 www 1031:
1.31 www 1032: ($cuname,$cudom)=
1033: &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
1034: unless (($cuname) && ($cudom)) {
1.27 www 1035: $r->log_reason($cuname.' at '.$cudom.
1.4 www 1036: ' trying to publish file '.$ENV{'form.filename'}.
1.27 www 1037: ' ('.$fn.') - not authorized',
1038: $r->filename);
1039: return HTTP_NOT_ACCEPTABLE;
1040: }
1041:
1042: unless (&Apache::lonnet::homeserver($cuname,$cudom)
1043: eq $r->dir_config('lonHostID')) {
1044: $r->log_reason($cuname.' at '.$cudom.
1045: ' trying to publish file '.$ENV{'form.filename'}.
1046: ' ('.$fn.') - not homeserver ('.
1047: &Apache::lonnet::homeserver($cuname,$cudom).')',
1.4 www 1048: $r->filename);
1049: return HTTP_NOT_ACCEPTABLE;
1050: }
1.2 www 1051:
1.43 www 1052: $fn=~s/^http\:\/\/[^\/]+//;
1053: $fn=~s/^\/\~(\w+)/\/home\/$1\/public_html/;
1.2 www 1054:
1055: my $targetdir='';
1.12 www 1056: $docroot=$r->dir_config('lonDocRoot');
1.27 www 1057: if ($1 ne $cuname) {
1058: $r->log_reason($cuname.' at '.$cudom.
1.2 www 1059: ' trying to publish unowned file '.$ENV{'form.filename'}.
1060: ' ('.$fn.')',
1061: $r->filename);
1062: return HTTP_NOT_ACCEPTABLE;
1063: } else {
1.27 www 1064: $targetdir=$docroot.'/res/'.$cudom;
1.2 www 1065: }
1066:
1067:
1068: unless (-e $fn) {
1.27 www 1069: $r->log_reason($cuname.' at '.$cudom.
1.2 www 1070: ' trying to publish non-existing file '.$ENV{'form.filename'}.
1071: ' ('.$fn.')',
1072: $r->filename);
1073: return HTTP_NOT_FOUND;
1074: }
1075:
1.11 www 1076: unless ($ENV{'form.phase'} eq 'two') {
1077:
1.2 www 1078: # --------------------------------- File is there and owned, init lookup tables
1079:
1.3 www 1080: %addid=();
1081:
1082: {
1083: my $fh=Apache::File->new($r->dir_config('lonTabDir').'/addid.tab');
1084: while (<$fh>=~/(\w+)\s+(\w+)/) {
1085: $addid{$1}=$2;
1086: }
1.5 www 1087: }
1088:
1089: %nokey=();
1090:
1091: {
1092: my $fh=Apache::File->new($r->dir_config('lonIncludes').'/un_keyword.tab');
1.65 harris41 1093: while (<$fh>) {
1.5 www 1094: my $word=$_;
1095: chomp($word);
1096: $nokey{$word}=1;
1.65 harris41 1097: }
1.3 www 1098: }
1.11 www 1099:
1100: }
1101:
1.2 www 1102: # ----------------------------------------------------------- Start page output
1103:
1.1 www 1104: $r->content_type('text/html');
1105: $r->send_http_header;
1106:
1107: $r->print('<html><head><title>LON-CAPA Publishing</title></head>');
1.15 www 1108: $r->print(
1109: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
1.2 www 1110: my $thisfn=$fn;
1111:
1112: # ------------------------------------------------------------- Individual file
1113: {
1114: $thisfn=~/\.(\w+)$/;
1115: my $thistype=$1;
1.65 harris41 1116: my $thisembstyle=&Apache::loncommon::fileembstyle($thistype);
1.2 www 1117:
1118: my $thistarget=$thisfn;
1119:
1120: $thistarget=~s/^\/home/$targetdir/;
1121: $thistarget=~s/\/public\_html//;
1122:
1123: my $thisdistarget=$thistarget;
1124: $thisdistarget=~s/^$docroot//;
1125:
1126: my $thisdisfn=$thisfn;
1.27 www 1127: $thisdisfn=~s/^\/home\/$cuname\/public_html\///;
1.2 www 1128:
1129: $r->print('<h2>Publishing '.
1.66 harris41 1130: &Apache::loncommon::filedescription($thistype).' <tt>'.
1.2 www 1131: $thisdisfn.'</tt></h2><b>Target:</b> <tt>'.$thisdistarget.'</tt><p>');
1.27 www 1132:
1133: if (($cuname ne $ENV{'user.name'}) || ($cudom ne $ENV{'user.domain'})) {
1134: $r->print('<h3><font color=red>Co-Author: '.$cuname.' at '.$cudom.
1135: '</font></h3>');
1136: }
1.26 www 1137:
1.65 harris41 1138: if (&Apache::loncommon::fileembstyle($thistype) eq 'ssi') {
1.28 www 1139: $r->print('<br><a href="/adm/diff?filename=/~'.$cuname.'/'.
1140: $thisdisfn.
1.26 www 1141: '&versionone=priv" target=cat>Diffs with Current Version</a><p>');
1142: }
1.11 www 1143:
1.2 www 1144: # ------------ We are publishing from $thisfn to $thistarget with $thisembstyle
1145:
1.11 www 1146: unless ($ENV{'form.phase'} eq 'two') {
1.27 www 1147: $r->print(
1148: '<hr>'.&publish($thisfn,$thistarget,$thisembstyle));
1.11 www 1149: } else {
1.27 www 1150: $r->print(
1151: '<hr>'.&phasetwo($thisfn,$thistarget,$thisembstyle,$thisdistarget));
1.11 www 1152: }
1.2 www 1153:
1.11 www 1154: }
1.1 www 1155: $r->print('</body></html>');
1.15 www 1156:
1.1 www 1157: return OK;
1158: }
1159:
1160: 1;
1161: __END__
1162:
1.66 harris41 1163: =head1 NAME
1.1 www 1164:
1.66 harris41 1165: Apache::lonpublisher - Publication Handler
1.1 www 1166:
1.66 harris41 1167: =head1 SYNOPSIS
1.1 www 1168:
1.66 harris41 1169: Invoked by /etc/httpd/conf/srm.conf:
1.1 www 1170:
1.66 harris41 1171: <Location /adm/publish>
1172: PerlAccessHandler Apache::lonacc
1173: SetHandler perl-script
1174: PerlHandler Apache::lonpublisher
1175: ErrorDocument 403 /adm/login
1176: ErrorDocument 404 /adm/notfound.html
1177: ErrorDocument 406 /adm/unauthorized.html
1178: ErrorDocument 500 /adm/errorhandler
1179: </Location>
1.1 www 1180:
1.66 harris41 1181: =head1 INTRODUCTION
1.1 www 1182:
1.66 harris41 1183: This module publishes a file. This involves gathering metadata,
1184: versioning the file, copying file from construction space to
1185: publication space, and copying metadata from construction space
1186: to publication space.
1187:
1188: This is part of the LearningOnline Network with CAPA project
1189: described at http://www.lon-capa.org.
1190:
1191: =head1 HANDLER SUBROUTINE
1192:
1193: This routine is called by Apache and mod_perl.
1194:
1195: =over 4
1196:
1197: =item *
1198:
1199: Get query string for limited number of parameters
1200:
1201: =item *
1202:
1203: Check filename
1204:
1205: =item *
1206:
1207: File is there and owned, init lookup tables
1208:
1209: =item *
1210:
1211: Start page output
1212:
1213: =item *
1214:
1215: Individual file
1216:
1217: =item *
1218:
1219: publish from $thisfn to $thistarget with $thisembstyle
1220:
1221: =back
1222:
1223: =head1 OTHER SUBROUTINES
1224:
1225: =over 4
1226:
1227: =item *
1228:
1229: metaeval() : Evaluate string with metadata
1230:
1231: =item *
1232:
1233: metaread() : Read a metadata file
1234:
1235: =item *
1236:
1237: sqltime() : convert 'time' format into a datetime sql format
1238:
1239: =item *
1240:
1241: textfield() : form field
1242:
1243: =item *
1244:
1245: hiddenfield() : form field
1246:
1247: =item *
1248:
1249: selectbox() : form field
1250:
1251: =item *
1252:
1253: urlfixup() : fixup URL (Publication Step One)
1254:
1255: =item *
1256:
1257: publish() : publish (Publication Step One)
1258:
1259: =item *
1260:
1261: phasetwo() : render second interface showing status of publication steps
1262: (Publication Step Two)
1263:
1264: =back
1265:
1266: =cut
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