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<?php |
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/* |
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* This file is part of the ApiRateLimitBundle |
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* |
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* (c) Indra Gunawan <[email protected]> |
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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 Indragunawan\ApiRateLimitBundle\EventListener; |
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use Indragunawan\ApiRateLimitBundle\Exception\RateLimitExceededException; |
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use Indragunawan\ApiRateLimitBundle\Service\RateLimitHandler; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpKernel\Event\RequestEvent; |
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use Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorageInterface; |
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/** |
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* @author Indra Gunawan <[email protected]> |
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*/ |
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class RateLimitListener |
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{ |
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/** |
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* @var bool |
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*/ |
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private $enabled; |
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/** |
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* @var RateLimitHandler |
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*/ |
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private $rateLimitHandler; |
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/** |
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* @var array |
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*/ |
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private $exceptionConfig; |
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/** |
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* @var TokenStorageInterface |
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*/ |
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private $tokenStorage; |
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public function __construct(bool $enabled, RateLimitHandler $rateLimitHandler, array $exceptionConfig, TokenStorageInterface $tokenStorage) |
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{ |
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$this->enabled = $enabled; |
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$this->rateLimitHandler = $rateLimitHandler; |
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$this->exceptionConfig = $exceptionConfig; |
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$this->tokenStorage = $tokenStorage; |
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} |
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public function onKernelRequest(RequestEvent $event) |
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{ |
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if (!$this->enabled) { |
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return; |
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} |
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// only process on master request |
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if (!$event->isMasterRequest()) { |
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return; |
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} |
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$request = $event->getRequest(); |
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if (!$request->attributes->has('_api_resource_class')) { |
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return; |
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} |
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$this->rateLimitHandler->handle($request); |
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if ($this->rateLimitHandler->isEnabled()) { |
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$request->attributes->set('_api_rate_limit_info', $this->rateLimitHandler->getRateLimitInfo()); |
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if ($this->rateLimitHandler->isRateLimitExceeded()) { |
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throw $this->createRateLimitExceededException($request); |
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} |
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} |
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} |
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/** |
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* Returns an RateLimitExceededException. |
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* |
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* @param Request $request |
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* |
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* @return RateLimitExceededException |
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*/ |
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protected function createRateLimitExceededException(Request $request) |
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{ |
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$config = $this->exceptionConfig; |
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$class = $config['custom_exception'] ?? RateLimitExceededException::class; |
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$username = null; |
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if (null !== $token = $this->tokenStorage->getToken()) { |
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if (is_object($token->getUser())) { |
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$username = $token->getUsername(); |
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} |
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} |
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return new $class($config['status_code'], $config['message'], $request->getClientIp(), $username); |
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} |
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} |
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IndraGunawan /
api-rate-limit-bundle
