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Editing: IThrottler.php

<?php

declare(strict_types=1);
/**
 * SPDX-FileCopyrightText: 2022 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

namespace OCP\Security\Bruteforce;

/**
 * Class Throttler implements the bruteforce protection for security actions in
 * Nextcloud.
 *
 * It is working by logging invalid login attempts to the database and slowing
 * down all login attempts from the same subnet. The max delay is 30 seconds and
 * the starting delay are 200 milliseconds. (after the first failed login)
 *
 * This is based on Paragonie's AirBrake for Airship CMS. You can find the original
 * code at https://github.com/paragonie/airship/blob/7e5bad7e3c0fbbf324c11f963fd1f80e59762606/src/Engine/Security/AirBrake.php
 *
 * @package OC\Security\Bruteforce
 * @since 25.0.0
 */
interface IThrottler {
	/**
	 * @since 25.0.0
	 * @deprecated 28.0.0
	 */
	public const MAX_DELAY = 25;

/**
	 * @since 25.0.0
	 * @deprecated 28.0.0
	 */
	public const MAX_DELAY_MS = 25000; // in milliseconds

/**
	 * @since 25.0.0
	 * @deprecated 28.0.0
	 */
	public const MAX_ATTEMPTS = 10;

/**
	 * Register a failed attempt to bruteforce a security control
	 *
	 * @param string $action
	 * @param string $ip
	 * @param array $metadata Optional metadata logged with the attempt
	 * @since 25.0.0
	 */
	public function registerAttempt(string $action, string $ip, array $metadata = []): void;

/**
	 * Check if the IP is allowed to bypass the brute force protection
	 *
	 * @param string $ip
	 * @return bool
	 * @since 28.0.0
	 */
	public function isBypassListed(string $ip): bool;

/**
	 * Get the throttling delay (in milliseconds)
	 *
	 * @param string $ip
	 * @param string $action optionally filter by action
	 * @param float $maxAgeHours
	 * @return int
	 * @since 25.0.0
	 * @deprecated 28.0.0 This method is considered internal as of Nextcloud 28. Use {@see showBruteforceWarning()} to decide whether a warning should be shown.
	 */
	public function getAttempts(string $ip, string $action = '', float $maxAgeHours = 12): int;

/**
	 * Whether a warning should be shown about the throttle
	 *
	 * @param string $ip
	 * @param string $action optionally filter by action
	 * @return bool
	 * @since 28.0.0
	 */
	public function showBruteforceWarning(string $ip, string $action = ''): bool;

/**
	 * Get the throttling delay (in milliseconds)
	 *
	 * @param string $ip
	 * @param string $action optionally filter by action
	 * @return int
	 * @since 25.0.0
	 * @deprecated 28.0.0 This method is considered internal as of Nextcloud 28. Use {@see showBruteforceWarning()} to decide whether a warning should be shown.
	 */
	public function getDelay(string $ip, string $action = ''): int;

/**
	 * Reset the throttling delay for an IP address, action and metadata
	 *
	 * @param string $ip
	 * @param string $action
	 * @param array $metadata
	 * @since 25.0.0
	 */
	public function resetDelay(string $ip, string $action, array $metadata): void;

/**
	 * Reset the throttling delay for an IP address
	 *
	 * @param string $ip
	 * @since 25.0.0
	 * @deprecated 28.0.0 This method is considered internal as of Nextcloud 28. Use {@see resetDelay()} and only reset the entries of your action and metadata
	 */
	public function resetDelayForIP(string $ip): void;

/**
	 * Will sleep for the defined amount of time
	 *
	 * @param string $ip
	 * @param string $action optionally filter by action
	 * @return int the time spent sleeping
	 * @since 25.0.0
	 * @deprecated 28.0.0 Use {@see sleepDelayOrThrowOnMax()} instead and abort handling the request when it throws
	 */
	public function sleepDelay(string $ip, string $action = ''): int;

/**
	 * Will sleep for the defined amount of time unless maximum was reached in the last 30 minutes
	 * In this case a "429 Too Many Request" exception is thrown
	 *
	 * @param string $ip
	 * @param string $action optionally filter by action
	 * @return int the time spent sleeping
	 * @throws MaxDelayReached when reached the maximum
	 * @since 25.0.0
	 */
	public function sleepDelayOrThrowOnMax(string $ip, string $action = ''): int;
}

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