58 lines
1.6 KiB
PHP
58 lines
1.6 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpFoundation\RateLimiter;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\RateLimiter\LimiterInterface;
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use Symfony\Component\RateLimiter\Policy\NoLimiter;
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use Symfony\Component\RateLimiter\RateLimit;
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/**
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* An implementation of RequestRateLimiterInterface that
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* fits most use-cases.
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*
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* @author Wouter de Jong <wouter@wouterj.nl>
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*/
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abstract class AbstractRequestRateLimiter implements RequestRateLimiterInterface
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{
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public function consume(Request $request): RateLimit
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{
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$limiters = $this->getLimiters($request);
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if (0 === \count($limiters)) {
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$limiters = [new NoLimiter()];
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}
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$minimalRateLimit = null;
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foreach ($limiters as $limiter) {
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$rateLimit = $limiter->consume(1);
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if (null === $minimalRateLimit || $rateLimit->getRemainingTokens() < $minimalRateLimit->getRemainingTokens()) {
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$minimalRateLimit = $rateLimit;
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}
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}
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return $minimalRateLimit;
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}
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public function reset(Request $request): void
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{
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foreach ($this->getLimiters($request) as $limiter) {
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$limiter->reset();
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}
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}
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/**
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* @return LimiterInterface[] a set of limiters using keys extracted from the request
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*/
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abstract protected function getLimiters(Request $request): array;
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}
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