nextcloud/lib/private/Session/Memory.php

124 lines
2.8 KiB
PHP

<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Christoph Wurst <christoph@owncloud.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
* @author Thomas Müller <thomas.mueller@tmit.eu>
*
* @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\Session;
use Exception;
use OCP\Session\Exceptions\SessionNotAvailableException;
/**
* Class Internal
*
* store session data in an in-memory array, not persistent
*
* @package OC\Session
*/
class Memory extends Session {
protected $data;
public function __construct($name) {
//no need to use $name since all data is already scoped to this instance
$this->data = array();
}
/**
* @param string $key
* @param integer $value
*/
public function set($key, $value) {
$this->validateSession();
$this->data[$key] = $value;
}
/**
* @param string $key
* @return mixed
*/
public function get($key) {
if (!$this->exists($key)) {
return null;
}
return $this->data[$key];
}
/**
* @param string $key
* @return bool
*/
public function exists($key) {
return isset($this->data[$key]);
}
/**
* @param string $key
*/
public function remove($key) {
$this->validateSession();
unset($this->data[$key]);
}
public function clear() {
$this->data = array();
}
/**
* Stub since the session ID does not need to get regenerated for the cache
*
* @param bool $deleteOldSession
*/
public function regenerateId($deleteOldSession = true) {}
/**
* Wrapper around session_id
*
* @return string
* @throws SessionNotAvailableException
* @since 9.1.0
*/
public function getId() {
throw new SessionNotAvailableException('Memory session does not have an ID');
}
/**
* Helper function for PHPUnit execution - don't use in non-test code
*/
public function reopen() {
$this->sessionClosed = false;
}
/**
* In case the session has already been locked an exception will be thrown
*
* @throws Exception
*/
private function validateSession() {
if ($this->sessionClosed) {
throw new Exception('Session has been closed - no further changes to the session are allowed');
}
}
}