nextcloud/lib/private/Security/CSRF/TokenStorage/SessionStorage.php

90 lines
2.0 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Joas Schilling <coding@schilljs.com>
* @author Lukas Reschke <lukas@statuscode.ch>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
namespace OC\Security\CSRF\TokenStorage;
use OCP\ISession;
/**
* Class SessionStorage provides the session storage
*
* @package OC\Security\CSRF\TokenStorage
*/
class SessionStorage {
/** @var ISession */
private $session;
/**
* @param ISession $session
*/
public function __construct(ISession $session) {
$this->session = $session;
}
/**
* @param ISession $session
*/
public function setSession(ISession $session) {
$this->session = $session;
}
/**
* Returns the current token or throws an exception if none is found.
*
* @return string
* @throws \Exception
*/
public function getToken() {
$token = $this->session->get('requesttoken');
if(empty($token)) {
throw new \Exception('Session does not contain a requesttoken');
}
return $token;
}
/**
* Set the valid current token to $value.
*
* @param string $value
*/
public function setToken($value) {
$this->session->set('requesttoken', $value);
}
/**
* Removes the current token.
*/
public function removeToken() {
$this->session->remove('requesttoken');
}
/**
* Whether the storage has a storage.
*
* @return bool
*/
public function hasToken() {
return $this->session->exists('requesttoken');
}
}