--- /dev/null
+<?php
+
+namespace Drupal\KernelTests\Core\Routing;
+
+use Drupal\Component\Utility\Html;
+use Drupal\KernelTests\KernelTestBase;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\HttpFoundation\Response;
+
+/**
+ * Tests the exception handling for various cases.
+ *
+ * @group Routing
+ */
+class ExceptionHandlingTest extends KernelTestBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public static $modules = ['system', 'router_test'];
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function setUp() {
+ parent::setUp();
+
+ $this->installEntitySchema('date_format');
+ }
+
+ /**
+ * Tests on a route with a non-supported HTTP method.
+ */
+ public function test405() {
+ $request = Request::create('/router_test/test15', 'PATCH');
+
+ /** @var \Symfony\Component\HttpKernel\HttpKernelInterface $kernel */
+ $kernel = \Drupal::getContainer()->get('http_kernel');
+ $response = $kernel->handle($request);
+
+ $this->assertEqual(Response::HTTP_METHOD_NOT_ALLOWED, $response->getStatusCode());
+ }
+
+ /**
+ * Tests the exception handling for json and 403 status code.
+ */
+ public function testJson403() {
+ $request = Request::create('/router_test/test15');
+ $request->query->set('_format', 'json');
+ $request->setRequestFormat('json');
+
+ /** @var \Symfony\Component\HttpKernel\HttpKernelInterface $kernel */
+ $kernel = \Drupal::getContainer()->get('http_kernel');
+ $response = $kernel->handle($request);
+
+ $this->assertEqual($response->getStatusCode(), Response::HTTP_FORBIDDEN);
+ $this->assertEqual($response->headers->get('Content-type'), 'application/json');
+ $this->assertEqual('{"message":""}', $response->getContent());
+ }
+
+ /**
+ * Tests the exception handling for json and 404 status code.
+ */
+ public function testJson404() {
+ $request = Request::create('/not-found');
+ $request->query->set('_format', 'json');
+ $request->setRequestFormat('json');
+
+ /** @var \Symfony\Component\HttpKernel\HttpKernelInterface $kernel */
+ $kernel = \Drupal::getContainer()->get('http_kernel');
+ $response = $kernel->handle($request);
+
+ $this->assertEqual($response->getStatusCode(), Response::HTTP_NOT_FOUND);
+ $this->assertEqual($response->headers->get('Content-type'), 'application/json');
+ $this->assertEqual('{"message":"No route found for \\u0022GET \\/not-found\\u0022"}', $response->getContent());
+ }
+
+ /**
+ * Tests the exception handling for HTML and 403 status code.
+ */
+ public function testHtml403() {
+ $request = Request::create('/router_test/test15');
+ $request->setFormat('html', ['text/html']);
+
+ /** @var \Symfony\Component\HttpKernel\HttpKernelInterface $kernel */
+ $kernel = \Drupal::getContainer()->get('http_kernel');
+ $response = $kernel->handle($request)->prepare($request);
+
+ $this->assertEqual($response->getStatusCode(), Response::HTTP_FORBIDDEN);
+ $this->assertEqual($response->headers->get('Content-type'), 'text/html; charset=UTF-8');
+ }
+
+ /**
+ * Tests the exception handling for HTML and 404 status code.
+ */
+ public function testHtml404() {
+ $request = Request::create('/not-found');
+ $request->setFormat('html', ['text/html']);
+
+ /** @var \Symfony\Component\HttpKernel\HttpKernelInterface $kernel */
+ $kernel = \Drupal::getContainer()->get('http_kernel');
+ $response = $kernel->handle($request)->prepare($request);
+
+ $this->assertEqual($response->getStatusCode(), Response::HTTP_NOT_FOUND);
+ $this->assertEqual($response->headers->get('Content-type'), 'text/html; charset=UTF-8');
+ }
+
+ /**
+ * Tests that the exception response is executed in the original context.
+ */
+ public function testExceptionResponseGeneratedForOriginalRequest() {
+ // Test with 404 path pointing to a route that uses '_controller'.
+ $response = $this->doTest404Route('/router_test/test25');
+ $this->assertTrue(strpos($response->getContent(), '/not-found') !== FALSE);
+
+ // Test with 404 path pointing to a route that uses '_form'.
+ $response = $this->doTest404Route('/router_test/test26');
+ $this->assertTrue(strpos($response->getContent(), '<form class="system-logging-settings"') !== FALSE);
+
+ // Test with 404 path pointing to a route that uses '_entity_form'.
+ $response = $this->doTest404Route('/router_test/test27');
+ $this->assertTrue(strpos($response->getContent(), '<form class="date-format-add-form date-format-form"') !== FALSE);
+ }
+
+ /**
+ * Sets the given path to use as the 404 page and triggers a 404.
+ *
+ * @param string $path
+ * @return \Drupal\Core\Render\HtmlResponse
+ *
+ * @see \Drupal\system\Tests\Routing\ExceptionHandlingTest::testExceptionResponseGeneratedForOriginalRequest()
+ */
+ protected function doTest404Route($path) {
+ $this->config('system.site')->set('page.404', $path)->save();
+
+ $request = Request::create('/not-found');
+ $request->setFormat('html', ['text/html']);
+
+ /** @var \Symfony\Component\HttpKernel\HttpKernelInterface $kernel */
+ $kernel = \Drupal::getContainer()->get('http_kernel');
+ return $kernel->handle($request)->prepare($request);
+ }
+
+ /**
+ * Tests if exception backtraces are properly escaped when output to HTML.
+ */
+ public function testBacktraceEscaping() {
+ // Enable verbose error logging.
+ $this->config('system.logging')->set('error_level', ERROR_REPORTING_DISPLAY_VERBOSE)->save();
+
+ $request = Request::create('/router_test/test17');
+ $request->setFormat('html', ['text/html']);
+
+ /** @var \Symfony\Component\HttpKernel\HttpKernelInterface $kernel */
+ $kernel = \Drupal::getContainer()->get('http_kernel');
+ $response = $kernel->handle($request)->prepare($request);
+ $this->assertEqual($response->getStatusCode(), Response::HTTP_INTERNAL_SERVER_ERROR);
+ $this->assertEqual($response->headers->get('Content-type'), 'text/html; charset=UTF-8');
+
+ // Test both that the backtrace is properly escaped, and that the unescaped
+ // string is not output at all.
+ $this->assertTrue(strpos($response->getContent(), Html::escape('<script>alert(\'xss\')</script>')) !== FALSE);
+ $this->assertTrue(strpos($response->getContent(), '<script>alert(\'xss\')</script>') === FALSE);
+ }
+
+ /**
+ * Tests exception message escaping.
+ */
+ public function testExceptionEscaping() {
+ // Enable verbose error logging.
+ $this->config('system.logging')->set('error_level', ERROR_REPORTING_DISPLAY_VERBOSE)->save();
+
+ // Using SafeMarkup::format().
+ $request = Request::create('/router_test/test24');
+ $request->setFormat('html', ['text/html']);
+
+ /** @var \Symfony\Component\HttpKernel\HttpKernelInterface $kernel */
+ $kernel = \Drupal::getContainer()->get('http_kernel');
+ $response = $kernel->handle($request)->prepare($request);
+ $this->assertEqual($response->getStatusCode(), Response::HTTP_INTERNAL_SERVER_ERROR);
+ $this->assertEqual($response->headers->get('Content-type'), 'text/html; charset=UTF-8');
+
+ // Test message is properly escaped, and that the unescaped string is not
+ // output at all.
+ $this->setRawContent($response->getContent());
+ $this->assertRaw(Html::escape('Escaped content: <p> <br> <h3>'));
+ $this->assertNoRaw('<p> <br> <h3>');
+
+ $string = '<script>alert(123);</script>';
+ $request = Request::create('/router_test/test2?_format=json' . urlencode($string), 'GET');
+
+ $kernel = \Drupal::getContainer()->get('http_kernel');
+ $response = $kernel->handle($request)->prepare($request);
+ // As the Content-type is text/plain the fact that the raw string is
+ // contained in the output does not matter.
+ $this->assertEqual($response->headers->get('Content-type'), 'text/plain; charset=UTF-8');
+ $this->setRawContent($response->getContent());
+ $this->assertRaw($string);
+ }
+
+}
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