54 lines
1.4 KiB
PHP
54 lines
1.4 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Lukas Reschke <lukas@statuscode.ch>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\Security\CSRF;
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use OCP\Security\ISecureRandom;
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/**
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* Class CsrfTokenGenerator is used to generate a cryptographically secure
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* pseudo-random number for the token.
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*
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* @package OC\Security\CSRF
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*/
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class CsrfTokenGenerator {
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/** @var ISecureRandom */
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private $random;
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/**
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* @param ISecureRandom $random
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*/
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public function __construct(ISecureRandom $random) {
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$this->random = $random;
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}
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/**
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* Generate a new CSRF token.
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*
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* @param int $length Length of the token in characters.
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* @return string
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*/
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public function generateToken(int $length = 32): string {
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return $this->random->generate($length);
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}
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}
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