<?php

/* 
 * Copyright 2016 Lukas Metzger <developer@lukas-metzger.com>.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

session_start();


if(
    !isset($_SESSION['id']) ||
    !isset($_SESSION['secret']) ||
    !isset($_COOKIE['authSecret']) ||
    $_SESSION['secret'] !== $_COOKIE['authSecret']
) {
    header('Location: index.php');
    session_destroy();
    exit();
}