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Annotation of loncom/auth/checkauthen.pm, revision 1.11

1.1       albertel    1: # The LearningOnline Network
                      2: # checks for a cokkie to authenticate a user
                      3: #
1.11    ! raeburn     4: # $Id: checkauthen.pm,v 1.10 2006/11/23 01:49:41 albertel Exp $
1.1       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: #
                     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 ($r) = @_;
                     38: 
1.11    ! raeburn    39:     if (&Apache::lonnet::is_domainimage($r->uri)) {
        !            40:         return OK;
        !            41:     }
        !            42: 
1.7       albertel   43:     if ($r->auth_type() ne 'LONCAPA') {
1.2       albertel   44: 	return DECLINED;
                     45:     }
1.1       albertel   46:     my $fail = FORBIDDEN; 
                     47:     if ($r->dir_config('lonOtherAuthen') eq 'yes') {
1.6       albertel   48: 	if (defined($r->dir_config('lonOtherAuthenType'))) {
                     49:             $r->auth_type($r->dir_config('lonOtherAuthenType'));
                     50:         }
1.2       albertel   51: 	#&Apache::lonnet::logthis("other authen");
1.1       albertel   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 $fail;
                     61: 	}
                     62:     }
                     63: 
                     64:     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
                     65:     my $lonid=$cookies{'lonID'};
1.8       albertel   66:     my $handle;
1.1       albertel   67:     if ($lonid) {
1.10      albertel   68:       	$handle=&LONCAPA::clean_handle($lonid->value);
1.8       albertel   69:         $handle = $r->dir_config('lonIDsDir')."/$handle.id";
                     70:     } else {
                     71:         $handle = $env{'user.environment'};
                     72:     }
                     73: 
                     74:     if (($handle ne '') && (-e $handle)) {
                     75:         return OK;
1.1       albertel   76:     }
1.8       albertel   77: 
1.1       albertel   78:     return $fail;
                     79: }
                     80: 
                     81: 1;