84 lines
2.7 KiB
PHP
84 lines
2.7 KiB
PHP
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<?php
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/**
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; under version 2
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* of the License (non-upgradable).
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Copyright (c) 2014 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
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*
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*
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*/
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namespace oat\taoLti\controller;
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use common_Logger;
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use tao_actions_CommonModule;
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/**
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* A controller to bypass some restrictions on cookies
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*
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* @author Joel Bout <joel@taotesting.com>
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* @package taoLti
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*/
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class CookieUtils extends tao_actions_CommonModule
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{
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/**
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* Verifies whenever or not the cookie was set correctly
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* Redirects the user to his destination if it was
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* or prompts the user to restore the session if it wasn't
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*/
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public function verifyCookie()
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{
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$url = $this->getRequestParameter('redirect');
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$url = rawurldecode($url);
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$session = $this->getRequestParameter('session');
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if (session_id() == $session) {
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$this->forwardUrl($url);
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} else {
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$this->setData('session', $session);
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$this->setData('redirect', $url);
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$this->setView('cookieError.tpl');
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}
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}
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/**
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* Closses the current session, restores the session provided
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* in the parameter session, regenerates a new sessionid and
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* redirects the user to the original address
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* @throws \common_Exception
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*/
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public function restoreSession()
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{
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$sessId = $this->getRequestParameter('session');
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$url = $this->getRequestParameter('redirect');
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if (session_id() != $sessId) {
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common_Logger::i('Changing session to ' . $sessId);
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session_unset();
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session_destroy();
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session_id($sessId);
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session_start();
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if (session_id() != $sessId) {
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$this->returnError(__('Unable to restore Session'));
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}
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session_regenerate_id(true);
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common_Logger::d('regenerated session to id \'' . session_id() . '\'');
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} else {
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common_Logger::w('Restore session called with correct session id \'' . session_id() . '\'');
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}
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$this->forwardUrl($url);
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}
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}
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