nextcloud/lib/private/Security/RateLimiting/Backend/IBackend.php

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<?php
declare(strict_types=1);
/**
* @copyright Copyright (c) 2017 Lukas Reschke <lukas@statuscode.ch>
*
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Roeland Jago Douma <roeland@famdouma.nl>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* 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
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OC\Security\RateLimiting\Backend;
/**
* Interface IBackend defines a storage backend for the rate limiting data. It
* should be noted that writing and reading rate limiting data is an expensive
* operation and one should thus make sure to only use sufficient fast backends.
*
* @package OC\Security\RateLimiting\Backend
*/
interface IBackend {
/**
* Gets the amount of attempts within the last specified seconds
*
* @param string $methodIdentifier Identifier for the method
* @param string $userIdentifier Identifier for the user
* @param int $seconds Seconds to look back at
* @return int
*/
public function getAttempts(string $methodIdentifier,
string $userIdentifier,
int $seconds): int;
/**
* Registers an attempt
*
* @param string $methodIdentifier Identifier for the method
* @param string $userIdentifier Identifier for the user
* @param int $period Period in seconds how long this attempt should be stored
*/
public function registerAttempt(string $methodIdentifier,
string $userIdentifier,
int $period);
}