createFromRedirectResponse example

catch (\InvalidArgumentException $e) {
        }
      }

      // Regardless of whether the target is the original one or the overridden       // destination, ensure that all redirects are safe.       if (!($response instanceof SecuredRedirectResponse)) {
        try {
          // SecuredRedirectResponse is an abstract class that requires a           // concrete implementation. Default to LocalRedirectResponse, which           // considers only redirects to within the same site as safe.           $safe_response = LocalRedirectResponse::createFromRedirectResponse($response);
          $safe_response->setRequestContext($this->requestContext);
        }
        catch (\InvalidArgumentException $e) {
          // If the above failed, it's because the redirect target wasn't           // local. Do not follow that redirect. Display an error message           // instead. We're already catching one exception, so trigger_error()           // rather than throw another one.           // We don't throw an exception, because this is a client error rather than a           // server error.           $message = 'Redirects to external URLs are not allowed by default, use \Drupal\Core\Routing\TrustedRedirectResponse for it.';
          trigger_error($message, E_USER_ERROR);
          

$redirect_response = new TrustedRedirectResponse('/example');

    $redirect_response->setTrustedTargetUrl('http://good-external-url.com/example');
    $this->assertEquals('http://good-external-url.com/example', $redirect_response->getTargetUrl());
  }

  /** * @covers ::createFromRedirectResponse * @dataProvider providerCreateFromRedirectResponse */
  public function testCreateFromRedirectResponse($redirect_response) {
    $trusted_redirect_response = TrustedRedirectResponse::createFromRedirectResponse($redirect_response);

    // The trusted redirect response is always a CacheableResponseInterface instance.     $this->assertInstanceOf(CacheableResponseInterface::class, $trusted_redirect_response);

    // But it is only actually cacheable (non-zero max-age) if the redirect     // response passed to TrustedRedirectResponse::createFromRedirectResponse()     // is itself cacheable.     $expected_cacheability = ($redirect_response instanceof CacheableResponseInterface) ? $redirect_response->getCacheableMetadata() : (new CacheableMetadata())->setCacheMaxAge(0);
    $this->assertEquals($expected_cacheability, $trusted_redirect_response->getCacheableMetadata());
  }

  

  public function testRedirectCopy() {
    $redirect = new RedirectResponse('/magic_redirect_url', 301, ['x-cache-foobar' => 123]);
    $redirect->setProtocolVersion('2.0');
    $redirect->setCharset('ibm-943_P14A-2000');
    $redirect->headers->setCookie(new Cookie('name', 'value', 0, '/', NULL, FALSE, TRUE, FALSE, NULL));

    // Make a cloned redirect.     $secureRedirect = SecuredRedirectStub::createFromRedirectResponse($redirect);
    $this->assertEquals('/magic_redirect_url', $secureRedirect->getTargetUrl());
    $this->assertEquals(301, $secureRedirect->getStatusCode());
    // We pull the headers from the original redirect because there are default headers applied.     $headers1 = $redirect->headers->allPreserveCase();
    $headers2 = $secureRedirect->headers->allPreserveCase();
    // We unset cache headers so we don't test arcane Symfony weirdness.     // https://github.com/symfony/symfony/issues/16171     unset($headers1['Cache-Control'], $headers2['Cache-Control']);
    $this->assertEquals($headers1, $headers2);
    $this->assertEquals('2.0', $secureRedirect->getProtocolVersion());
    $this->assertEquals('ibm-943_P14A-2000', $secureRedirect->getCharset());