Annotation of loncom/publisher/lonpubdir.pm, revision 1.21
1.1 www 1: # The LearningOnline Network with CAPA
1.16 albertel 2: # (Publication Handler
3: #
1.21 ! foxr 4: # $Id: lonpubdir.pm,v 1.20 2002/01/18 16:48:41 albertel Exp $
1.16 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/
1.1 www 27: #
28: #
29: # (TeX Content Handler
30: #
1.17 harris41 31: # YEAR=2000
1.1 www 32: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
33: #
34: # 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
1.17 harris41 35: # YEAR=2001
1.1 www 36: # 03/23 Guy Albertelli
37: # 03/24,03/29 Gerd Kortemeyer)
1.17 harris41 38: # 03/31,04/03,05/09,06/23,08/18,08/20 Gerd Kortemeyer
39: # 12/15 Scott Harrison
1.19 www 40: # 12/28 Gerd Kortemeyer
1.1 www 41: #
1.17 harris41 42: ###
1.1 www 43:
44: package Apache::lonpubdir;
45:
46: use strict;
47: use Apache::File;
48: use File::Copy;
49: use Apache::Constants qw(:common :http :methods);
1.6 www 50: use Apache::loncacc;
1.17 harris41 51: use Apache::loncommon();
1.1 www 52:
53: sub handler {
54:
55: my $r=shift;
56:
57: my $fn;
58:
59: if ($ENV{'form.filename'}) {
60: $fn=$ENV{'form.filename'};
61: $fn=~s/^http\:\/\/[^\/]+\/\~(\w+)/\/home\/$1\/public_html/;
62: $fn=~s/\/[^\/]+$//;
63: } else {
64: $fn=$r->filename();
65: }
1.6 www 66:
67: my $uname;
68: my $udom;
69:
1.9 www 70: ($uname,$udom)=
1.6 www 71: &Apache::loncacc::constructaccess(
1.9 www 72: $fn,$r->dir_config('lonDefDomain'));
73: unless (($uname) && ($udom)) {
1.6 www 74: $r->log_reason($uname.' at '.$udom.
75: ' trying to publish file '.$ENV{'form.filename'}.
76: ' ('.$fn.') - not authorized',
77: $r->filename);
78: return HTTP_NOT_ACCEPTABLE;
79: }
1.1 www 80:
1.3 www 81: $fn=~s/\/$//;
1.1 www 82:
83: unless ($fn) {
84: $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
1.2 www 85: ' trying to list empty directory', $r->filename);
1.1 www 86: return HTTP_NOT_FOUND;
87: }
88:
89: # ----------------------------------------------------------- Start page output
90:
91:
92: $r->content_type('text/html');
93: $r->send_http_header;
94:
95: $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
96:
97: $r->print(
98: '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
99:
100: my $thisdisfn=$fn;
101: $thisdisfn=~s/^\/home\/$uname\/public_html//;
102:
1.3 www 103: $r->print('<h1>Construction Space Directory <tt>'.$thisdisfn.'/</tt></h1>');
1.6 www 104:
105: if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
1.21 ! foxr 106: $r->print('<h3>Co-Author: '.$uname.' at '.$udom.
! 107: '</h3>');
1.6 www 108: }
109:
1.1 www 110:
111: my $docroot=$r->dir_config('lonDocRoot');
112:
113: my $resdir=$docroot.'/res/'.$udom.'/'.$uname.$thisdisfn;
1.19 www 114: my $targetdir=$udom.'/'.$uname.$thisdisfn;
1.1 www 115: my $linkdir='/~'.$uname.$thisdisfn;
116:
1.2 www 117: $r->print('<table border=2>'.
1.21 ! foxr 118: '<tr><th>Actions</th><th>Name</th><th>Title</th>'.
! 119: '<th>Status</th><th>Last Modified</th></tr>');
1.1 www 120:
1.2 www 121: my $filename;
122: my $dirptr=16384;
1.1 www 123:
1.2 www 124: opendir(DIR,$fn);
1.10 albertel 125: my @files=sort(readdir(DIR));
1.11 albertel 126: foreach my $filename (@files) {
1.2 www 127: my ($cdev,$cino,$cmode,$cnlink,
128: $cuid,$cgid,$crdev,$csize,
129: $catime,$cmtime,$cctime,
130: $cblksize,$cblocks)=stat($fn.'/'.$filename);
1.12 www 131:
1.10 albertel 132: my $extension='';
133: if ($filename=~/\.(\w+)$/) { $extension=$1; }
1.15 matthew 134: if ($cmode&$dirptr) {
1.21 ! foxr 135: putdirectory($r, $thisdisfn, $linkdir, $filename, $cmtime);
1.17 harris41 136: } elsif (&Apache::loncommon::fileembstyle($extension) ne 'hdn') {
1.2 www 137: my $status='Unpublished';
1.19 www 138: my $title=' ';
1.2 www 139: if (-e $resdir.'/'.$filename) {
140: my ($rdev,$rino,$rmode,$rnlink,
141: $ruid,$rgid,$rrdev,$rsize,
142: $ratime,$rmtime,$rctime,
143: $rblksize,$rblocks)=stat($resdir.'/'.$filename);
144: if ($rmtime>=$cmtime) {
145: $status='Published';
1.19 www 146: $title=
147: '<a href="/res/'.$targetdir.'/'.$filename.'.meta" target=cat>'.
148: &Apache::lonnet::metadata($targetdir.'/'.$filename,'title').'</a>';
1.2 www 149: } else {
150: $status='Modified';
1.19 www 151: $title=
152: '<a href="/res/'.$targetdir.'/'.$filename.'.meta" target=cat>'.
153: &Apache::lonnet::metadata($targetdir.'/'.$filename,'title').'</a>';
1.5 www 154: if
1.17 harris41 155: (&Apache::loncommon::fileembstyle(($filename=~/\.(\w+)$/)) eq 'ssi') {
1.7 www 156: $status.='<br><a href="/adm/diff?filename=/~'.$uname.
1.12 www 157: $thisdisfn.'/'.$filename.
1.5 www 158: '&versionone=priv" target=cat>Diffs</a>';
159: }
1.2 www 160: }
1.13 www 161: $status.='<br><a href="/adm/retrieve?filename=/~'.$uname.
162: $thisdisfn.'/'.$filename.'" target=cat>Retrieve</a>';
1.2 www 163: }
1.21 ! foxr 164: $r->print('<tr>'.
! 165: '<td><a target="_parent" href="/adm/publish?filename=/~'.
! 166: $uname.$thisdisfn.'/'.$filename.'">'.'Publish</a>'.
! 167: '</td>'.
! 168: '<td>'.
! 169: '<a href="'.$linkdir.'/'.$filename.'">'.$filename.'</a>'.
! 170: '</td>'.
! 171: '<td>'.$title.'</td>'.
! 172: '<td>'.$status.'</td>'.
! 173: '<td>'.localtime($cmtime).'</td>'.
! 174: '</tr>');
1.14 albertel 175: } else {
1.15 matthew 176: # "hidden" extension and not a directory, so hide it away.
1.2 www 177: }
178: }
179: closedir(DIR);
180:
181: $r->print('</table></body></html>');
1.1 www 182: return OK;
183: }
1.21 ! foxr 184: #
! 185: # Put out a directory table row:
! 186: # putdirectory(r, base, here, dirname, modtime)
! 187: # r - Apache request object.
! 188: # reqfile - File in request.
! 189: # here - Where we are in directory tree.
! 190: # dirname - Name of directory special file.
! 191: # modtime - Encoded modification time.
! 192: #
! 193: sub putdirectory {
! 194: my ($r, $reqfile, $here, $dirname, $modtime) = @_;
! 195:
! 196: # construct the display filename: the directory name unless ..:
! 197:
! 198: my $disfilename = $dirname;
! 199: if ($dirname eq '..') {
! 200: $disfilename = '<i>Parent Directory</i>';
! 201: }
! 202: unless (( ($dirname eq '..') && ($reqfile eq '')) ||
! 203: ($dirname eq '.')) {
! 204: $r->print('<tr>'.
! 205: '<td>Click to cwd</td>'.
! 206: '<td><a href="'.$here.'/'.$dirname.'/">'.
! 207: $disfilename.'</a></td>'.
! 208: '<td> </td>'.
! 209: '<td> </td>'.
! 210: '<td>'.localtime($modtime).'</td>'.
! 211: '</tr>');
! 212: }
! 213: return OK;
! 214: }
1.4 www 215: 1;
216: __END__
1.17 harris41 217:
218: =head1 NAME
219:
220: Apache::lonpubdir - Publication Handler for Directories
221:
222: =head1 SYNOPSIS
223:
224: Invoked (for various locations) by /etc/httpd/conf/srm.conf:
225:
1.18 harris41 226: <LocationMatch "^/\~.*/$">
227: PerlAccessHandler Apache::loncacc
228: SetHandler perl-script
229: PerlHandler Apache::lonpubdir
230: ErrorDocument 403 /adm/login
231: ErrorDocument 404 /adm/notfound.html
232: ErrorDocument 406 /adm/unauthorized.html
233: ErrorDocument 500 /adm/errorhandler
234: </LocationMatch>
235:
236: <Location /adm/pubdir>
237: PerlAccessHandler Apache::lonacc
238: SetHandler perl-script
239: PerlHandler Apache::lonpubdir
240: ErrorDocument 403 /adm/login
241: ErrorDocument 404 /adm/notfound.html
242: ErrorDocument 406 /adm/unauthorized.html
243: ErrorDocument 500 /adm/errorhandler
244: </Location>
1.17 harris41 245:
246: =head1 INTRODUCTION
247:
1.18 harris41 248: This module publishes a directory of files.
1.17 harris41 249:
250: This is part of the LearningOnline Network with CAPA project
251: described at http://www.lon-capa.org.
252:
253: =head1 HANDLER SUBROUTINE
254:
255: This routine is called by Apache and mod_perl.
256:
257: =over 4
258:
259: =item *
260:
261: read in information
262:
263: =item *
264:
265: start page output
266:
267: =item *
268:
269: run through list of files and attempt to publish unhidden files
270:
271: =back
272:
273: =cut
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