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<?php |
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declare(strict_types=1); |
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namespace jin2chen\ApiBundle\EventSubscriber; |
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use Monolog\Processor\ProcessorInterface; |
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use Ramsey\Uuid\Uuid; |
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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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use Symfony\Contracts\Service\ResetInterface; |
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use function is_null; |
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class RequestIdSubscriber implements EventSubscriberInterface, ProcessorInterface, ResetInterface |
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{ |
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private string $header = 'X-Request-Id'; |
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/** |
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* @var array{request_id: string} |
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*/ |
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private array $data; |
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public function __construct(?string $header = null) |
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{ |
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$this->reset(); |
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if (!is_null($header)) { |
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$this->header = $header; |
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} |
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} |
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public function __invoke(array $record): array |
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{ |
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/** @var array{extra: array} $record */ |
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$record['extra']['request_id'] = $this->data['request_id']; |
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return $record; |
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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 => ['onRequest', 1024], |
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KernelEvents::RESPONSE => 'onResponse', |
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KernelEvents::TERMINATE => 'onTerminate', |
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]; |
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} |
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/** |
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* @Callback |
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* @see getSubscribedEvents() |
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*/ |
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public function onRequest(RequestEvent $event): void |
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{ |
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$request = $event->getRequest(); |
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if ($request->headers->has($this->header)) { |
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$this->data['request_id'] = (string) $request->headers->get($this->header); |
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return; |
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} |
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$this->data['request_id'] = Uuid::uuid4()->toString(); |
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$request->headers->set($this->header, $this->data['request_id']); |
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} |
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/** |
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* @Callback |
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* @see getSubscribedEvents() |
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* @param ResponseEvent $event |
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*/ |
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public function onResponse(ResponseEvent $event): void |
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{ |
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$event->getResponse()->headers->set($this->header, $this->data['request_id']); |
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} |
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/** |
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* @Callback |
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* @see getSubscribedEvents() |
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*/ |
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public function onTerminate(): void |
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{ |
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$this->reset(); |
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} |
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final public function reset(): void |
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{ |
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$this->data = [ |
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'request_id' => '', |
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]; |
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} |
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} |
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jin2chen /
api-bundle
