# The LearningOnline Network
# Logout Handler
#
# $Id: lonlogout.pm,v 1.9 2003/05/23 21:18:56 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
# (Cookie Based Access Handler
# 5/21/99,5/22,5/29,5/31,6/15,16/11,22/11,
# 01/06,01/13 Gerd Kortemeyer)
# 05/31,11/29,12/29 Gerd Kortemeyer
package Apache::lonlogout;
use strict;
use Apache::Constants qw(:common);
use Apache::File;
use Apache::lonnet;
use Apache::lonmenu;
use CGI::Cookie();
sub handler {
my $r = shift;
my $requrl=$r->uri;
my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
my $lonid=$cookies{'lonID'};
my $cookie;
if ($lonid) {
my $handle=$lonid->value;
$handle=~s/\W//g;
my $lonidsdir=$r->dir_config('lonIDsDir');
if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
my @profile;
my %sessionhash;
{
my $idf=Apache::File->new("$lonidsdir/$handle.id");
@profile=<$idf>;
}
my $envi;
for ($envi=0;$envi<=$#profile;$envi++) {
chomp($profile[$envi]);
my ($envname,$envvalue)=split(/=/,$profile[$envi]);
$sessionhash{$envname}=$envvalue;
}
unlink("$lonidsdir/$handle.id");
my %temp=('logout' => time);
&Apache::lonnet::put('email_status',\%temp);
&Apache::lonnet::log($sessionhash{'user.domain'},
$sessionhash{'user.name'},
$sessionhash{'user.home'},
"Logout $ENV{'REMOTE_ADDR'}");
$r->content_type('text/html');
$r->send_http_header;
return OK if $r->header_only;
# -------------------------------------------------------- Menu script and info
my $windowinfo=&Apache::lonmenu::close();
# ---------------------------------------------------------------- Get handover
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['handover']);
my $switch='';
my $bodytag='';
my $relogmessage='';
if ($ENV{'form.handover'}) {
$switch='';
$bodytag=&Apache::loncommon::bodytag('Switching Server ...');
} else {
$bodytag=&Apache::loncommon::bodytag('Logged Out',undef,' ');
$relogmessage=(<Goodbye!
Please either close this window or
log in again.
ENDRELOG
}
# --------------------------------------------------------------- Screen Output
$r->print(<
The LearningOnline Network with CAPA Logout
$switch
$bodytag
$windowinfo
$relogmessage