1: # The LearningOnline Network
2: # checks for a cokkie to authenticate a user
3: #
4: # $Id: checkauthen.pm,v 1.13 2012/04/18 18:55:06 raeburn Exp $
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: #
28: ###
29:
30: package Apache::checkauthen;
31:
32: use strict;
33: use Apache::Constants qw(:common);
34: use Apache::lonnet;
35:
36: sub handler {
37: my ($r) = @_;
38:
39: if (&Apache::lonnet::is_domainimage($r->uri)) {
40: return OK;
41: }
42:
43: if ($r->auth_type() ne 'LONCAPA') {
44: return DECLINED;
45: }
46: my $fail = FORBIDDEN;
47: if ($r->dir_config('lonOtherAuthen') eq 'yes') {
48: if (defined($r->dir_config('lonOtherAuthenType'))) {
49: $r->auth_type($r->dir_config('lonOtherAuthenType'));
50: }
51: #&Apache::lonnet::logthis("other authen");
52: $fail = DECLINED;
53: }
54:
55: if ($env{'user.name'} eq 'public'
56: && $env{'user.domain'} eq 'public') {
57: if ($env{'request.publicaccess'} ) {
58: return OK;
59: } else {
60: return $fail;
61: }
62: }
63:
64: my $handle = &Apache::lonnet::check_for_valid_session($r);
65: if ($handle eq '') {
66: $handle = $env{'user.environment'};
67: }
68:
69: if ($handle ne '') {
70: return OK;
71: }
72: if (($fail == FORBIDDEN) && ($r->uri eq '/adm/email')) {
73: $env{'form.firsturl'} = $r->uri;
74: }
75: return $fail;
76: }
77:
78: 1;
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