0e0db37658
* Add typehints * Add return types * Opcode opts from phpstorm * Made strict * Fixed tests: No need to test bogus values anymore strict typing fixes this Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
67 lines
2.3 KiB
PHP
67 lines
2.3 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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* @author Morris Jobke <hey@morrisjobke.de>
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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 OCP\Security;
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/**
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* Class Hasher provides some basic hashing functions. Furthermore, it supports legacy hashes
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* used by previous versions of ownCloud and helps migrating those hashes to newer ones.
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*
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* The hashes generated by this class are prefixed (version|hash) with a version parameter to allow possible
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* updates in the future.
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* Possible versions:
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* - 1 (Initial version)
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*
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* Usage:
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* // Hashing a message
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* $hash = \OC::$server->getHasher()->hash('MessageToHash');
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* // Verifying a message - $newHash will contain the newly calculated hash
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* $newHash = null;
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* var_dump(\OC::$server->getHasher()->verify('a', '86f7e437faa5a7fce15d1ddcb9eaeaea377667b8', $newHash));
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* var_dump($newHash);
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*
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* @package OCP\Security
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* @since 8.0.0
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*/
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interface IHasher {
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/**
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* Hashes a message using PHP's `password_hash` functionality.
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* Please note that the size of the returned string is not guaranteed
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* and can be up to 255 characters.
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*
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* @param string $message Message to generate hash from
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* @return string Hash of the message with appended version parameter
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* @since 8.0.0
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*/
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public function hash(string $message): string;
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/**
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* @param string $message Message to verify
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* @param string $hash Assumed hash of the message
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* @param null|string &$newHash Reference will contain the updated hash if necessary. Update the existing hash with this one.
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* @return bool Whether $hash is a valid hash of $message
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* @since 8.0.0
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*/
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public function verify(string $message, string $hash, &$newHash = null): bool ;
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}
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