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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @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;
use OCP\Security\ISecureRandom;
/**
* Class CsrfTokenGenerator is used to generate a cryptographically secure
* pseudo-random number for the token.
*
* @package OC\Security\CSRF
*/
class CsrfTokenGenerator {
/** @var ISecureRandom */
private $random;
/**
* @param ISecureRandom $random
*/
public function __construct(ISecureRandom $random) {
$this->random = $random;
}
/**
* Generate a new CSRF token.
*
* @param int $length Length of the token in characters.
* @return string
*/
public function generateToken($length = 32) {
return $this->random->generate($length);
}
}
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