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<?php
/**
* @author Joas Schilling <nickvergessen@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @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 OCP\IConfig;
use OCP\ISession;
use OCP\Security\ICrypto;
use OCP\Security\ISecureRandom;
class CryptoWrapper {
const COOKIE_NAME = 'oc_sessionPassphrase';
/** @var ISession */
protected $session;
/** @var \OCP\Security\ICrypto */
protected $crypto;
/** @var ISecureRandom */
protected $random;
/**
* @param IConfig $config
* @param ICrypto $crypto
* @param ISecureRandom $random
*/
public function __construct(IConfig $config, ICrypto $crypto, ISecureRandom $random) {
$this->crypto = $crypto;
$this->config = $config;
$this->random = $random;
if (isset($_COOKIE[self::COOKIE_NAME])) {
// TODO circular dependency
// $request = \OC::$server->getRequest();
// $this->passphrase = $request->getCookie(self::COOKIE_NAME);
$this->passphrase = $_COOKIE[self::COOKIE_NAME];
} else {
$this->passphrase = $this->random->getMediumStrengthGenerator()->generate(128);
// TODO circular dependency
// $secureCookie = \OC::$server->getRequest()->getServerProtocol() === 'https';
$secureCookie = false;
$expires = time() + $this->config->getSystemValue('remember_login_cookie_lifetime', 60 * 60 * 24 * 15);
if (!defined('PHPUNIT_RUN')) {
setcookie(self::COOKIE_NAME, $this->passphrase, $expires, \OC::$WEBROOT, '', $secureCookie);
}
}
}
/**
* @param ISession $session
* @return ISession
*/
public function wrapSession(ISession $session) {
if (!($session instanceof CryptoSessionData) && $this->config->getSystemValue('encrypt.session', false)) {
return new \OC\Session\CryptoSessionData($session, $this->crypto, $this->passphrase);
}
return $session;
}
}
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