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<?php |
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/** |
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* This file is part of the Rate Limit package. |
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* |
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* Copyright (c) Nikola Posa |
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* |
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* For full copyright and license information, please refer to the LICENSE file, |
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* located at the package root folder. |
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*/ |
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declare(strict_types=1); |
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namespace RateLimit; |
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use RateLimit\Options\RequestsPerWindowOptions; |
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use Psr\Http\Message\RequestInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use RateLimit\Identity\IpAddressIdentityGenerator; |
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use RateLimit\Storage\InMemoryStorage; |
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use RateLimit\Storage\FilesystemStorage; |
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/** |
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* @author Nikola Posa <[email protected]> |
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*/ |
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final class RequestsPerWindowRateLimiterFactory |
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{ |
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const DEFAULT_LIMIT = 100; |
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const DEFAULT_WINDOW = 15 * 60; |
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public static function createInMemoryRateLimiter(array $options = []) : RequestsPerWindowRateLimiter |
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{ |
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return new RequestsPerWindowRateLimiter( |
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new InMemoryStorage(), |
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new IpAddressIdentityGenerator(), |
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self::createOptions($options) |
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); |
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} |
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public static function createFilesystemBackedRateLimiter(string $storageDirectory, array $options = []) : RequestsPerWindowRateLimiter |
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{ |
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return new RequestsPerWindowRateLimiter( |
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new FilesystemStorage($storageDirectory), |
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new IpAddressIdentityGenerator(), |
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self::createOptions($options) |
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); |
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} |
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public static function createOptions(array $options = []) : RequestsPerWindowOptions |
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{ |
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$options = array_merge(self::getDefaultOptions(), $options); |
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return new RequestsPerWindowOptions( |
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$options['limit'], |
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$options['window'], |
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$options['limitExceededHandler'] |
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); |
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} |
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private static function getDefaultOptions() : array |
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{ |
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return [ |
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'limit' => self::DEFAULT_LIMIT, |
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'window' => self::DEFAULT_WINDOW, |
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'limitExceededHandler' => function (RequestInterface $request, ResponseInterface $response) { |
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return $response; |
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}, |
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]; |
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} |
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} |
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