84 lines
2.1 KiB
Perl
Executable file
84 lines
2.1 KiB
Perl
Executable file
#!/usr/bin/perl
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use CGI;
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use C4::Context;
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use C4::Output;
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my $query=new CGI;
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my $sessionID=$query->cookie('sessionID');
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if ($ENV{'REMOTE_USER'}) {
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print $query->header();
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print startpage();
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print startmenu('catalogue');
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print qq|
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<h1>Logout Feature Not Available</h1>
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Your Koha server is configured to use a type of authentication called "Basic
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Authentication" instead of using a cookies-based authentication system. With
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Basic Authentication, the only way to logout of Koha is by exiting your
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browser.
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|;
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print endmenu('catalogue');
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print endpage();
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exit;
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}
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my $sessions;
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open (S, "/tmp/sessions");
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# FIXME - Come up with a better logging mechanism
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while (my ($sid, $u, $lasttime) = split(/:/, <S>)) {
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chomp $lasttime;
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(next) unless ($sid);
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(next) if ($sid eq $sessionID);
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$sessions->{$sid}->{'userid'}=$u;
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$sessions->{$sid}->{'lasttime'}=$lasttime;
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}
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open (S, ">/tmp/sessions");
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foreach (keys %$sessions) {
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my $userid=$sessions->{$_}->{'userid'};
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my $lasttime=$sessions->{$_}->{'lasttime'};
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print S "$_:$userid:$lasttime\n";
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}
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my $dbh = C4::Context->dbh;
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# Check that this is the ip that created the session before deleting it
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my $sth=$dbh->prepare("select userid,ip from sessions where sessionID=?");
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$sth->execute($sessionID);
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my ($userid, $ip);
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if ($sth->rows) {
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($userid,$ip) = $sth->fetchrow;
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if ($ip ne $ENV{'REMOTE_ADDR'}) {
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# attempt to logout from a different ip than cookie was created at
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exit;
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}
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}
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$dbh->do("delete from sessions where sessionID=?", $sessionID);
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open L, ">>/tmp/sessionlog";
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my $time=localtime(time());
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printf L "%20s from %16s logged out at %30s (manual log out).\n", $userid, $ip, $time;
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close L;
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my $cookie=$query->cookie(-name => 'sessionID',
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-value => '',
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-expires => '+1y');
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# Should redirect to opac home page after logging out
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print $query->redirect("/cgi-bin/koha/opac-main.pl");
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exit;
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if ($sessionID) {
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print "Logged out of $sessionID<br>\n";
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print "<a href=shelves.pl>Login</a>";
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} else {
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print "Not logged in.<br>\n";
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print "<a href=shelves.pl>Login</a>";
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}
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