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<?php |
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declare(strict_types=1); |
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namespace Phauthentic\CorrelationIdBundle\EventSubscriber; |
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use InvalidArgumentException; |
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use Exception; |
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use Phauthentic\Infrastructure\Utils\CorrelationID; |
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use Symfony\Component\EventDispatcher\EventSubscriberInterface; |
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use Symfony\Component\HttpKernel\Event\RequestEvent; |
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use Symfony\Component\HttpKernel\Event\ResponseEvent; |
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use Symfony\Component\HttpKernel\KernelEvents; |
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class CorrelationIdSubscriber implements EventSubscriberInterface |
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{ |
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private string $requestHeaderName = 'X-Correlation-ID'; |
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private string $responseHeaderName = 'X-Correlation-ID'; |
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private bool $passthrough = false; |
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/** |
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* @param array<string, mixed> $config |
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* @return void |
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*/ |
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public function __construct(array $config = []) |
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{ |
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if (isset($config['request_header_name'])) { |
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$this->requestHeaderName = (string)$config['request_header_name']; |
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} |
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if (isset($config['response_header_name'])) { |
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$this->responseHeaderName = (string)$config['response_header_name']; |
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} |
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if (isset($config['pass_through'])) { |
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$this->passthrough = (bool)$config['pass_through']; |
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} |
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} |
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/** |
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* @SuppressWarnings(PHPMD.StaticAccess) |
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* |
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* @param RequestEvent $event |
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* @return void |
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*/ |
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public function onKernelRequest(RequestEvent $event): void |
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{ |
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$event->getRequest()->attributes->set($this->requestHeaderName, CorrelationID::toString()); |
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} |
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/** |
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* @SuppressWarnings(PHPMD.StaticAccess) |
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* |
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* @param ResponseEvent $event |
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* @return void |
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* @throws InvalidArgumentException |
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* @throws Exception |
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*/ |
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public function onKernelResponse(ResponseEvent $event): void |
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{ |
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if ( |
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$this->passthrough |
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&& $event->getRequest()->headers->has($this->requestHeaderName) |
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) { |
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$event->getResponse()->headers->set( |
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$this->responseHeaderName, |
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$event->getRequest()->headers->get($this->requestHeaderName) |
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); |
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return; |
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} |
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$event->getResponse()->headers->set($this->responseHeaderName, CorrelationID::toString()); |
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} |
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public static function getSubscribedEvents(): array |
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{ |
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return [ |
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KernelEvents::REQUEST => ['onKernelRequest', 255], |
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KernelEvents::RESPONSE => ['onKernelResponse', -255] |
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]; |
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} |
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} |
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Phauthentic /
correlation-id-symfony-bundle
