Annotation of loncom/auth/lonlogout.pm, revision 1.4

1.1       www         1: # The LearningOnline Network
                      2: # Logout Handler
1.3       www         3: #
1.4     ! www         4: # $Id: lonlogout.pm,v 1.3 2001/11/29 19:12:44 www Exp $
1.3       www         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: # (Cookie Based Access Handler
                     29: # 5/21/99,5/22,5/29,5/31,6/15,16/11,22/11,
                     30: # 01/06,01/13 Gerd Kortemeyer)
                     31: # 05/31 Gerd Kortemeyer
                     32: 
                     33: package Apache::lonlogout;
                     34: 
                     35: use strict;
                     36: use Apache::Constants qw(:common);
                     37: use Apache::File;
                     38: use Apache::lonnet;
1.2       www        39: use Apache::lonmenu;
1.1       www        40: use CGI::Cookie();
                     41: 
                     42: sub handler {
                     43:     my $r = shift;
                     44: 
                     45:     my $requrl=$r->uri;
                     46:     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
                     47:     my $lonid=$cookies{'lonID'};
                     48:     my $cookie;
                     49:     if ($lonid) {
                     50: 	my $handle=$lonid->value;
                     51:         $handle=~s/\W//g;
                     52:         my $lonidsdir=$r->dir_config('lonIDsDir');
                     53:         if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
                     54:            my @profile;
                     55:            my %sessionhash;
                     56: 	    {
                     57:              my $idf=Apache::File->new("$lonidsdir/$handle.id");
                     58:              @profile=<$idf>;
                     59: 	    }
                     60:             my $envi;
                     61:             for ($envi=0;$envi<=$#profile;$envi++) {
                     62: 		chomp($profile[$envi]);
                     63: 		my ($envname,$envvalue)=split(/=/,$profile[$envi]);
                     64:                 $sessionhash{$envname}=$envvalue;
                     65:             }
                     66:             unlink("$lonidsdir/$handle.id");
                     67: 	    &Apache::lonnet::log($sessionhash{'user.domain'},
                     68:                                  $sessionhash{'user.name'},
                     69:                                  $sessionhash{'user.home'},
                     70:                                  "Logout $ENV{'REMOTE_ADDR'}");
                     71:             $r->content_type('text/html');
                     72:             $r->send_http_header;
                     73:             return OK if $r->header_only;
1.2       www        74: # -------------------------------------------------------- Menu script and info
                     75: 
                     76:     my $windowinfo=&Apache::lonmenu::close();
                     77: 
                     78: # --------------------------------------------------------------- Screen Output
1.1       www        79:             $r->print(<<ENDDOCUMENT);
                     80: <html>
                     81: <head><title>The LearningOnline Network with CAPA Logout</title></head>
1.2       www        82: <body bgcolor="#FFFFFF">
                     83: $windowinfo
                     84: <h1>Goodbye!</h1></body>
1.1       www        85: </html>
                     86: ENDDOCUMENT
1.4     ! www        87:             &Apache::lonnet::flushcourselogs();
1.1       www        88:             return OK; 
                     89:         } else { 
                     90:             $r->log_reason("Cookie $handle not valid", $r->filename); 
                     91:         }
                     92:     }
                     93:     return FORBIDDEN;
                     94: }
                     95: 
                     96: 1;
                     97: __END__
                     98: 
                     99: 
                    100: 
                    101: 
                    102: 
                    103: 
                    104: 
                    105: 

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