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<?php |
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/** |
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* Copyright 2014 SURFnet bv |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace Surfnet\StepupBundle\EventListener; |
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use Surfnet\StepupBundle\Request\RequestId; |
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use Symfony\Component\HttpKernel\Event\FilterResponseEvent; |
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use Symfony\Component\HttpKernel\Event\GetResponseEvent; |
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/** |
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* When receiving a kernel request, reads the request ID from the X-Stepup-Request-Id header, if present, and sets it on |
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* a RequestId instance. |
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*/ |
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class RequestIdRequestResponseListener |
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{ |
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const HEADER_NAME = 'X-Stepup-Request-Id'; |
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/** |
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* @var RequestId |
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*/ |
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private $requestId; |
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/** |
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* @param RequestId $requestId |
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*/ |
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public function __construct(RequestId $requestId) |
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{ |
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$this->requestId = $requestId; |
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} |
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/** |
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* If present, reads the request ID from the appropriate header and sets it on a RequestId instance. |
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* |
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* @param GetResponseEvent $event |
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*/ |
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public function onKernelRequest(GetResponseEvent $event) |
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{ |
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$headers = $event->getRequest()->headers; |
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if (!$headers->has(self::HEADER_NAME)) { |
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return; |
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} |
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$this->requestId->set($headers->get(self::HEADER_NAME, null, true)); |
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} |
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/** |
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* If enabled, sets the request ID on the appropriate response header. |
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* |
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* @param FilterResponseEvent $event |
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*/ |
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public function onKernelResponse(FilterResponseEvent $event) |
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{ |
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$event->getResponse()->headers->set(self::HEADER_NAME, $this->requestId->get()); |
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} |
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} |
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OpenConext /
Stepup-bundle
