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    <h3>Editing: AbstractRequestRateLimiter.php</h3>
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/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\HttpFoundation\RateLimiter;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\RateLimiter\LimiterInterface;
use Symfony\Component\RateLimiter\Policy\NoLimiter;
use Symfony\Component\RateLimiter\RateLimit;

/**
 * An implementation of RequestRateLimiterInterface that
 * fits most use-cases.
 *
 * @author Wouter de Jong &lt;wouter@wouterj.nl&gt;
 */
abstract class AbstractRequestRateLimiter implements RequestRateLimiterInterface
{
    public function consume(Request $request): RateLimit
    {
        $limiters = $this-&gt;getLimiters($request);
        if (0 === \count($limiters)) {
            $limiters = [new NoLimiter()];
        }

        $minimalRateLimit = null;
        foreach ($limiters as $limiter) {
            $rateLimit = $limiter-&gt;consume(1);

            $minimalRateLimit = $minimalRateLimit ? self::getMinimalRateLimit($minimalRateLimit, $rateLimit) : $rateLimit;
        }

        return $minimalRateLimit;
    }

    public function reset(Request $request): void
    {
        foreach ($this-&gt;getLimiters($request) as $limiter) {
            $limiter-&gt;reset();
        }
    }

    /**
     * @return LimiterInterface[] a set of limiters using keys extracted from the request
     */
    abstract protected function getLimiters(Request $request): array;

    private static function getMinimalRateLimit(RateLimit $first, RateLimit $second): RateLimit
    {
        if ($first-&gt;isAccepted() !== $second-&gt;isAccepted()) {
            return $first-&gt;isAccepted() ? $second : $first;
        }

        $firstRemainingTokens = $first-&gt;getRemainingTokens();
        $secondRemainingTokens = $second-&gt;getRemainingTokens();

        if ($firstRemainingTokens === $secondRemainingTokens) {
            return $first-&gt;getRetryAfter() &lt; $second-&gt;getRetryAfter() ? $second : $first;
        }

        return $firstRemainingTokens &gt; $secondRemainingTokens ? $second : $first;
    }
}
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