Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\FunctionalTests\HttpKernel;
Chris@0: 
Chris@0: use Drupal\Core\Url;
Chris@0: use Drupal\Tests\BrowserTestBase;
Chris@0: 
Chris@0: /**
Chris@0:  * Tests CORS provided by Drupal.
Chris@0:  *
Chris@0:  * @see sites/default/default.services.yml
Chris@0:  * @see \Asm89\Stack\Cors
Chris@0:  * @see \Asm89\Stack\CorsService
Chris@0:  *
Chris@0:  * @group Http
Chris@0:  */
Chris@0: class CorsIntegrationTest extends BrowserTestBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static $modules = ['system', 'test_page_test', 'page_cache'];
Chris@0: 
Chris@0:   public function testCrossSiteRequest() {
Chris@0:     // Test default parameters.
Chris@0:     $cors_config = $this->container->getParameter('cors.config');
Chris@0:     $this->assertSame(FALSE, $cors_config['enabled']);
Chris@0:     $this->assertSame([], $cors_config['allowedHeaders']);
Chris@0:     $this->assertSame([], $cors_config['allowedMethods']);
Chris@0:     $this->assertSame(['*'], $cors_config['allowedOrigins']);
Chris@0: 
Chris@0:     $this->assertSame(FALSE, $cors_config['exposedHeaders']);
Chris@0:     $this->assertSame(FALSE, $cors_config['maxAge']);
Chris@0:     $this->assertSame(FALSE, $cors_config['supportsCredentials']);
Chris@0: 
Chris@0:     // Enable CORS with the default options.
Chris@0:     $cors_config['enabled'] = TRUE;
Chris@0: 
Chris@0:     $this->setContainerParameter('cors.config', $cors_config);
Chris@0:     $this->rebuildContainer();
Chris@0: 
Chris@0:     // Fire off a request.
Chris@0:     $this->drupalGet('/test-page', [], ['Origin' => 'http://example.com']);
Chris@0:     $this->assertSession()->statusCodeEquals(200);
Chris@0:     $this->assertSession()->responseHeaderEquals('X-Drupal-Cache', 'MISS');
Chris@0:     $this->assertSession()->responseHeaderEquals('Access-Control-Allow-Origin', 'http://example.com');
Chris@0: 
Chris@0:     // Fire the same exact request. This time it should be cached.
Chris@0:     $this->drupalGet('/test-page', [], ['Origin' => 'http://example.com']);
Chris@0:     $this->assertSession()->statusCodeEquals(200);
Chris@0:     $this->assertSession()->responseHeaderEquals('X-Drupal-Cache', 'HIT');
Chris@0:     $this->assertSession()->responseHeaderEquals('Access-Control-Allow-Origin', 'http://example.com');
Chris@0: 
Chris@0:     // Fire a request for a different origin. Verify the CORS header.
Chris@0:     $this->drupalGet('/test-page', [], ['Origin' => 'http://example.org']);
Chris@0:     $this->assertSession()->statusCodeEquals(200);
Chris@0:     $this->assertSession()->responseHeaderEquals('X-Drupal-Cache', 'HIT');
Chris@0:     $this->assertSession()->responseHeaderEquals('Access-Control-Allow-Origin', 'http://example.org');
Chris@0: 
Chris@0:     // Configure the CORS stack to allow a specific set of origins.
Chris@0:     $cors_config['allowedOrigins'] = ['http://example.com'];
Chris@0: 
Chris@0:     $this->setContainerParameter('cors.config', $cors_config);
Chris@0:     $this->rebuildContainer();
Chris@0: 
Chris@0:     // Fire a request from an origin that isn't allowed.
Chris@0:     /** @var \Symfony\Component\HttpFoundation\Response $response */
Chris@0:     $this->drupalGet('/test-page', [], ['Origin' => 'http://non-valid.com']);
Chris@0:     $this->assertSession()->statusCodeEquals(403);
Chris@0:     $this->assertSession()->pageTextContains('Not allowed.');
Chris@0: 
Chris@0:     // Specify a valid origin.
Chris@0:     $this->drupalGet('/test-page', [], ['Origin' => 'http://example.com']);
Chris@0:     $this->assertSession()->statusCodeEquals(200);
Chris@0:     $this->assertSession()->responseHeaderEquals('Access-Control-Allow-Origin', 'http://example.com');
Chris@0: 
Chris@0:     // Verify POST still functions with 'Origin' header set to site's domain.
Chris@0:     $origin = \Drupal::request()->getSchemeAndHttpHost();
Chris@0: 
Chris@0:     /** @var \GuzzleHttp\ClientInterface $httpClient */
Chris@0:     $httpClient = $this->getSession()->getDriver()->getClient()->getClient();
Chris@0:     $url = Url::fromUri('base:/test-page');
Chris@0:     $response = $httpClient->request('POST', $url->setAbsolute()->toString(), [
Chris@0:       'headers' => [
Chris@0:         'Origin' => $origin,
Chris@17:       ],
Chris@0:     ]);
Chris@0:     $this->assertEquals(200, $response->getStatusCode());
Chris@0:   }
Chris@0: 
Chris@0: }