server/lib/public/Security/StringUtils.php
2016-05-26 19:57:24 +02:00

47 lines
1.5 KiB
PHP

<?php
/**
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
*
* @copyright Copyright (c) 2016, 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 OCP\Security;
/**
* Class StringUtils
*
* @package OCP\Security
* @since 8.0.0
*/
class StringUtils {
/**
* Compares whether two strings are equal. To prevent guessing of the string
* length this is done by comparing two hashes against each other and afterwards
* a comparison of the real string to prevent against the unlikely chance of
* collisions.
* @param string $expected The expected value
* @param string $input The input to compare against
* @return bool True if the two strings are equal, otherwise false.
* @since 8.0.0
* @deprecated 9.0.0 Use hash_equals
*/
public static function equals($expected, $input) {
return hash_equals($expected, $input);
}
}