index.php

<?php

// To add printers to your account follow the following link 
// https://support.google.com/cloudprint/answer/1686197
/**
 * PHP implementation of Google Cloud Print
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

session_start();

if (!isset($_SESSION['accessToken'])) {
    
    header('Location: oAuthRedirect.php?op=getauth');
}
?>