File Source for index.php

<?php
/**
* @package linea21.core
* @subpackage admin
* @author linea21 <info@linea21.com>
* @version $id SVN
* @access public
* @license http://opensource.org/licenses/gpl-3.0.html
*/
ob_start();
session_start();
// DO NOT REMOVE
header("Cache-control: private"); // necessary for IE and FF to display form data afer clicking the back button
include_once("../config/define.php");
// check if session is not expired
$l21auth->isActive();
if(!isset($_SESSION['authenticated'])) {
if(!empty($_SERVER["QUERY_STRING"])) $page = "login.php?page=". rawurlencode("index.php?". $_SERVER["QUERY_STRING"]);
else $page = "login.php";
header("Location: ". $page);
exit();
}
if(isset($_REQUEST['rub'])) $rub=$_REQUEST['rub'];
if(!isset($_REQUEST['todo'])) {
$todo="list";
} else {
$todo=$_REQUEST['todo'];
}
// if is simple user
if($l21auth->isSimpleUser()) {
header("Location: login.php");
exit();
}
// Set_Cookie_last_page() must be after define.php include
$l21auth->setCookieLastPage();
/**
* Section include if dir exists
**/
if(isset($rub)) {
if(is_dir(override('../'.$rub, THEME_ADMIN_PATH))) $dir='../'.$rub;
else ReloadIndex('admin');
} else {
$dir='../home';
$rub='home';
}
/**
* language include
**/
IncludeAdminLang($rub);
$rub_link="index.php?rub=".$rub;
include_once(SQL.'.inc.php');
$sql_inc_file=override($dir."/".SQL.".inc.php", THEME_ADMIN_PATH);
if(file_exists($sql_inc_file)) include_once($sql_inc_file);
if(isset($Dbg)) {
$debug_line->setEndTime();
}
include_once(THEME_ADMIN_PATH."index.php");
$sql_object -> DBClose();
if(isset($Dbg)) $Dbg->display();
ob_end_flush();
?>

Source for file index.php