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File:  [LON-CAPA] / loncom / auth / lonlogout.pm
Revision 1.1: download - view: text, annotated - select for diffs
Wed Jun 7 19:31:05 2000 UTC (23 years, 11 months ago) by www
Branches: MAIN
CVS tags: HEAD
Logs out users

# The LearningOnline Network
# Logout Handler
# (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 Gerd Kortemeyer

package Apache::lonlogout;

use strict;
use Apache::Constants qw(:common);
use Apache::File;
use Apache::lonnet;
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/$handle.id");
	    &Apache::lonnet::log($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;
            $r->print(<<ENDDOCUMENT);
<html>
<head><title>The LearningOnline Network with CAPA Logout</title></head>
<body bgcolor="#FFFFFF"><h1>Goodbye!</h1></body>
</html>
ENDDOCUMENT
            return OK; 
        } else { 
            $r->log_reason("Cookie $handle not valid", $r->filename); 
        }
    }
    return FORBIDDEN;
}

1;
__END__
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