CorsIntegrationTest.php in Drupal 8

Namespace

Drupal\FunctionalTests\HttpKernel

File

core/tests/Drupal/FunctionalTests/HttpKernel/CorsIntegrationTest.php

<?php

namespace Drupal\FunctionalTests\HttpKernel;

use Drupal\Core\Url;
use Drupal\Tests\BrowserTestBase;

/**
 * Tests CORS provided by Drupal.
 *
 * @see sites/default/default.services.yml
 * @see \Asm89\Stack\Cors
 * @see \Asm89\Stack\CorsService
 *
 * @group Http
 */
class CorsIntegrationTest extends BrowserTestBase {

  /**
   * {@inheritdoc}
   */
  public static $modules = [
    'system',
    'test_page_test',
    'page_cache',
  ];

  /**
   * {@inheritdoc}
   */
  protected $defaultTheme = 'stark';
  public function testCrossSiteRequest() {

    // Test default parameters.
    $cors_config = $this->container
      ->getParameter('cors.config');
    $this
      ->assertSame(FALSE, $cors_config['enabled']);
    $this
      ->assertSame([], $cors_config['allowedHeaders']);
    $this
      ->assertSame([], $cors_config['allowedMethods']);
    $this
      ->assertSame([
      '*',
    ], $cors_config['allowedOrigins']);
    $this
      ->assertSame(FALSE, $cors_config['exposedHeaders']);
    $this
      ->assertSame(FALSE, $cors_config['maxAge']);
    $this
      ->assertSame(FALSE, $cors_config['supportsCredentials']);

    // Enable CORS with the default options.
    $cors_config['enabled'] = TRUE;
    $this
      ->setContainerParameter('cors.config', $cors_config);
    $this
      ->rebuildContainer();

    // Fire off a request.
    $this
      ->drupalGet('/test-page', [], [
      'Origin' => 'http://example.com',
    ]);
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertSession()
      ->responseHeaderEquals('X-Drupal-Cache', 'MISS');
    $this
      ->assertSession()
      ->responseHeaderEquals('Access-Control-Allow-Origin', 'http://example.com');

    // Fire the same exact request. This time it should be cached.
    $this
      ->drupalGet('/test-page', [], [
      'Origin' => 'http://example.com',
    ]);
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertSession()
      ->responseHeaderEquals('X-Drupal-Cache', 'HIT');
    $this
      ->assertSession()
      ->responseHeaderEquals('Access-Control-Allow-Origin', 'http://example.com');

    // Fire a request for a different origin. Verify the CORS header.
    $this
      ->drupalGet('/test-page', [], [
      'Origin' => 'http://example.org',
    ]);
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertSession()
      ->responseHeaderEquals('X-Drupal-Cache', 'HIT');
    $this
      ->assertSession()
      ->responseHeaderEquals('Access-Control-Allow-Origin', 'http://example.org');

    // Configure the CORS stack to allow a specific set of origins.
    $cors_config['allowedOrigins'] = [
      'http://example.com',
    ];
    $this
      ->setContainerParameter('cors.config', $cors_config);
    $this
      ->rebuildContainer();

    // Fire a request from an origin that isn't allowed.

    /** @var \Symfony\Component\HttpFoundation\Response $response */
    $this
      ->drupalGet('/test-page', [], [
      'Origin' => 'http://non-valid.com',
    ]);
    $this
      ->assertSession()
      ->statusCodeEquals(403);
    $this
      ->assertSession()
      ->pageTextContains('Not allowed.');

    // Specify a valid origin.
    $this
      ->drupalGet('/test-page', [], [
      'Origin' => 'http://example.com',
    ]);
    $this
      ->assertSession()
      ->statusCodeEquals(200);
    $this
      ->assertSession()
      ->responseHeaderEquals('Access-Control-Allow-Origin', 'http://example.com');

    // Verify POST still functions with 'Origin' header set to site's domain.
    $origin = \Drupal::request()
      ->getSchemeAndHttpHost();

    /** @var \GuzzleHttp\ClientInterface $httpClient */
    $httpClient = $this
      ->getSession()
      ->getDriver()
      ->getClient()
      ->getClient();
    $url = Url::fromUri('base:/test-page');
    $response = $httpClient
      ->request('POST', $url
      ->setAbsolute()
      ->toString(), [
      'headers' => [
        'Origin' => $origin,
      ],
    ]);
    $this
      ->assertEquals(200, $response
      ->getStatusCode());
  }

}

Classes

Name	Description
CorsIntegrationTest	Tests CORS provided by Drupal.