8000 feature #27519 [HttpKernel][FrameworkBundle] Turn HTTP exceptions to … · symfony/symfony@18c2dde · GitHub
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feature #27519 [HttpKernel][FrameworkBundle] Turn HTTP exceptions to HTTP status codes by default (nicolas-grekas)
This PR was merged into the 4.2-dev branch. Discussion ---------- [HttpKernel][FrameworkBundle] Turn HTTP exceptions to HTTP status codes by default | Q | A | ------------- | --- | Branch? | master | Bug fix? | no | New feature? | yes | BC breaks? | no | Deprecations? | no | Tests pass? | yes | Fixed tickets | #25844 | License | MIT | Doc PR | - When an exception is thrown, *if it is not handled* then it will be reinjected as a 2nd exception event via `HttpKernel::terminateWithException()`. When this happens, this will generate a proper HTTP status code. Commits ------- 80b0739 [HttpKernel][FrameworkBundle] Turn HTTP exceptions to HTTP status codes by default
2 parents ac1189a + 80b0739 commit 18c2dde

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-3
lines changed

3 files changed

+59
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lines changed

‎src/Symfony/Bundle/FrameworkBundle/Resources/config/web.xml

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Original file line numberDiff line numberDiff line change
@@ -67,6 +67,16 @@
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<argument type="service" id="router" on-invalid="ignore" />
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</service>
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<service id="http_exception_listener" class="Symfony\Component\HttpKernel\EventListener\ExceptionListener">
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<tag name="kernel.event_listener" event="kernel.exception" method="onKernelException" priority="-2048" />
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<tag name="kernel.reset" method="reset" />
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<argument>null</argument>
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<argument>null</argument>
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<argument>%kernel.debug%</argument>
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<argument>%kernel.charset%</argument>
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<argument>%debug.file_link_format%</argument>
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</service>
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<service id="validate_request_listener" class="Symfony\Component\HttpKernel\EventListener\ValidateRequestListener">
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<tag name="kernel.event_subscriber" />
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</service>

‎src/Symfony/Component/HttpKernel/EventListener/ExceptionListener.php

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@@ -13,8 +13,10 @@
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use Psr\Log\LoggerInterface;
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use Symfony\Component\Debug\Exception\FlattenException;
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use Symfony\Component\Debug\ExceptionHandler;
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use Symfony\Component\EventDispatcher\EventDispatcherInterface;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpFoundation\Response;
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use Symfony\Component\HttpKernel\Event\FilterResponseEvent;
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use Symfony\Component\HttpKernel\Log\DebugLoggerInterface;
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use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
@@ -33,12 +35,17 @@ class ExceptionListener implements EventSubscriberInterface
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protected $controller;
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protected $logger;
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protected $debug;
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private $charset;
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private $fileLinkFormat;
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private $isTerminating = false;
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public function __construct($controller, LoggerInterface $logger = null, $debug = false)
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public function __construct($controller, LoggerInterface $logger = null, $debug = false, string $charset = null, $fileLinkFormat = null)
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{
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$this->controller = $controller;
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$this->logger = $logger;
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$this->debug = $debug;
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$this->charset = $charset;
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$this->fileLinkFormat = $fileLinkFormat;
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}
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public function logKernelException(GetResponseForExceptionEvent $event)
@@ -50,6 +57,17 @@ public function logKernelException(GetResponseForExceptionEvent $event)
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public function onKernelException(GetResponseForExceptionEvent $event)
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{
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if (null === $this->controller) {
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if (!$event->isMasterRequest()) {
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return;
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}
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if (!$this->isTerminating) {
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$this->isTerminating = true;
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return;
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}
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$this->isTerminating = false;
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}
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$exception = $event->getException();
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$request = $this->duplicateRequest($exception, $event->getRequest());
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$eventDispatcher = func_num_args() > 2 ? func_get_arg(2) : null;
@@ -85,6 +103,11 @@ public function onKernelException(GetResponseForExceptionEvent $event)
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}
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}
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public function reset()
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{
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$this->isTerminating = false;
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}
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public static function getSubscribedEvents()
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{
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return array(
@@ -123,8 +146,12 @@ protected function logException(\Exception $exception, $message)
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protected function duplicateRequest(\Exception $exception, Request $request)
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{
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$attributes = array(
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'_controller' => $this->controller,
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'exception' => FlattenException::create($exception),
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'exception' => $exception = FlattenException::create($exception),
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'_controller' => $this->controller ?: function () use ($exception) {
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$handler = new ExceptionHandler($this->debug, $this->charset, $this->fileLinkFormat);
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return new Response($handler->getHtml($exception), $exception->getStatusCode(), $exception->getHeaders());
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},
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'logger' => $this->logger instanceof DebugLoggerInterface ? $this->logger : null,
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);
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$request = $request->duplicate(null, null, $attributes);

‎src/Symfony/Component/HttpKernel/Tests/EventListener/ExceptionListenerTest.php

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@@ -155,6 +155,25 @@ public function testCSPHeaderIsRemoved()
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$this->assertFalse($response->headers->has('content-security-policy'), 'CSP header has been removed');
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$this->assertFalse($dispatcher->hasListeners(KernelEvents::RESPONSE), 'CSP removal listener has been removed');
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}
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public function testNullController()
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{
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$listener = new ExceptionListener(null);
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$kernel = $this->getMockBuilder(HttpKernelInterface::class)->getMock();
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$kernel->expects($this->once())->method('handle')->will($this->returnCallback(function (Request $request) {
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$controller = $request->attributes->get('_controller');
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return $controller();
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}));
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$request = Request::create('/');
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$event = new GetResponseForExceptionEvent($kernel, $request, HttpKernelInterface::MASTER_REQUEST, new \Exception('foo'));
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$listener->onKernelException($event);
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$this->assertNull($event->getResponse());
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$listener->onKernelException($event);
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$this->assertContains('Whoops, looks like something went wrong.', $event->getResponse()->getContent());
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}
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}
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class TestLogger extends Logger implements DebugLoggerInterface

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