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<?php
/* OpenDb - Open Media Lending Database
Copyright (C) 2001,2002 by Jason Pell
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
// This must be first - includes config.php
require_once("./include/begin.inc.php");
include_once("./functions/database.php");
include_once("./functions/auth.php");
include_once("./functions/logging.php");
include_once("./functions/widgets.php");
include_once("./functions/http.php");
include_once("./functions/importcache.php");
if($CONFIG_VARS['site.enable']!==FALSE)
{
session_start();
if($CONFIG_VARS['login.enable_change_user']!==FALSE &&
strlen($HTTP_SESSION_VARS['admin_user_id'])>0 &&
is_user_admin($HTTP_SESSION_VARS['admin_user_id']))
{
opendb_log("Administrator logged out change user (admin_user_id=".$HTTP_SESSION_VARS['admin_user_id'].", user_id=".$HTTP_SESSION_VARS['user_id'].")");
$user_r = fetch_user_r($HTTP_SESSION_VARS['admin_user_id']);
$HTTP_SESSION_VARS['user_id'] = $HTTP_SESSION_VARS['admin_user_id'];
$HTTP_SESSION_VARS['user_language'] = $user_r['language'];
$HTTP_SESSION_VARS['user_theme'] = $user_r['theme'];
$HTTP_SESSION_VARS['user_type'] = $user_r['type'];
if(is_register_globals_enabled())
{
session_register("user_id");
session_register("user_language");
session_register("user_type");
session_register("user_theme");
$user_id = $HTTP_SESSION_VARS['user_id'];
$user_language = $HTTP_SESSION_VARS['user_language'];
$user_theme = $HTTP_SESSION_VARS['user_theme'];
$user_type = $HTTP_SESSION_VARS['user_type'];
}
if(is_register_globals_enabled())
{
// PHP manual suggests unregistering these
session_unregister("admin_user_id");
}
$HTTP_SESSION_VARS['admin_user_id'] = NULL;
// invalid login, so login instead.
header('Location: ' . urldecode('./login.php'));
}
else
{
opendb_log("User logged out (user_id=".$HTTP_SESSION_VARS['user_id'].")");
// delete import cache records for user.
if(strlen($HTTP_SESSION_VARS['user_id'])>0 && import_cache_check_is_installed())
{
import_cache_delete_for_user($HTTP_SESSION_VARS['user_id']);
}
if(is_register_globals_enabled())
{
// PHP manual suggests unregistering these
session_unregister("user_id");
session_unregister("user_type");
session_unregister("user_theme");
session_unregister("user_language");
session_unregister("hash_check");
session_unregister("login_time");
session_unregister("last_access_time");
}
// Explicitly set to null!
$HTTP_SESSION_VARS['user_id'] = NULL;
$HTTP_SESSION_VARS['user_theme'] = NULL;
$HTTP_SESSION_VARS['user_language'] = NULL;
$HTTP_SESSION_VARS['user_type'] = NULL;
$HTTP_SESSION_VARS['hash_check'] = NULL;
$HTTP_SESSION_VARS['login_time'] = NULL;
$HTTP_SESSION_VARS['last_access_time'] = NULL;
// close session
session_destroy();
include_once("./include/language.php");
include_once("./include/theme.php");
// No session variables available once logged out!!!
echo _theme_header($LANG_VARS['logout'], $CONFIG_VARS['logout.show_menu']!==FALSE);
echo("<h2>".$LANG_VARS['logout']."</h2>");
// In some cases this will cause menu frame to be refreshed.
echo _theme_refresh_menu();
echo("<div class=\"colortext\">");
$myid = session_id();// double check for any errors
if( $myid=="")
echo("<p>".replace_lang_var("site", $CONFIG_VARS['site.title']." ".$CONFIG_VARS['site.version'], $LANG_VARS['thanks_for_using'])."</p>\n");
else
echo("<p>".$LANG_VARS['unable_to_logout']."</p>\n");
echo("<br>");
echo("</div>");
echo format_footer_links(array(array(url=>"login.php",text=>$LANG_VARS['return_to_login_page'])));
// No session variables available once logged out!!!
echo _theme_footer();
}
}//if($CONFIG_VARS['site.enable']!==FALSE)
else
{
echo _theme_header($LANG_VARS['site_is_disabled'], FALSE);
echo _theme_error($LANG_VARS['site_is_disabled']);
echo _theme_footer();
}
// Cleanup after begin.inc.php
require_once("./include/end.inc.php");
?>
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