annotate core/modules/contextual/src/ContextualController.php @ 19:fa3358dc1485 tip

Add ndrum files
author Chris Cannam
date Wed, 28 Aug 2019 13:14:47 +0100
parents 129ea1e6d783
children
rev   line source
Chris@0 1 <?php
Chris@0 2
Chris@0 3 namespace Drupal\contextual;
Chris@0 4
Chris@17 5 use Drupal\Component\Utility\Crypt;
Chris@0 6 use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
Chris@0 7 use Drupal\Core\Render\RendererInterface;
Chris@17 8 use Drupal\Core\Site\Settings;
Chris@0 9 use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0 10 use Symfony\Component\HttpFoundation\JsonResponse;
Chris@0 11 use Symfony\Component\HttpFoundation\Request;
Chris@0 12 use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
Chris@0 13
Chris@0 14 /**
Chris@0 15 * Returns responses for Contextual module routes.
Chris@0 16 */
Chris@0 17 class ContextualController implements ContainerInjectionInterface {
Chris@0 18
Chris@0 19 /**
Chris@0 20 * The renderer.
Chris@17 21 *
Chris@0 22 * @var \Drupal\Core\Render\RendererInterface
Chris@0 23 */
Chris@17 24 protected $renderer;
Chris@0 25
Chris@0 26 /**
Chris@17 27 * Constructors a new ContextualController.
Chris@0 28 *
Chris@0 29 * @param \Drupal\Core\Render\RendererInterface $renderer
Chris@0 30 * The renderer.
Chris@0 31 */
Chris@0 32 public function __construct(RendererInterface $renderer) {
Chris@0 33 $this->renderer = $renderer;
Chris@0 34 }
Chris@0 35
Chris@0 36 /**
Chris@0 37 * {@inheritdoc}
Chris@0 38 */
Chris@0 39 public static function create(ContainerInterface $container) {
Chris@0 40 return new static(
Chris@0 41 $container->get('renderer')
Chris@0 42 );
Chris@0 43 }
Chris@0 44
Chris@0 45 /**
Chris@0 46 * Returns the requested rendered contextual links.
Chris@0 47 *
Chris@0 48 * Given a list of contextual links IDs, render them. Hence this must be
Chris@0 49 * robust to handle arbitrary input.
Chris@0 50 *
Chris@17 51 * @param \Symfony\Component\HttpFoundation\Request $request
Chris@17 52 * The Symfony request object.
Chris@0 53 *
Chris@0 54 * @return \Symfony\Component\HttpFoundation\JsonResponse
Chris@0 55 * The JSON response.
Chris@17 56 *
Chris@17 57 * @throws \Symfony\Component\HttpKernel\Exception\BadRequestHttpException
Chris@17 58 * Thrown when the request contains no ids.
Chris@17 59 *
Chris@17 60 * @see contextual_preprocess()
Chris@0 61 */
Chris@0 62 public function render(Request $request) {
Chris@0 63 $ids = $request->request->get('ids');
Chris@0 64 if (!isset($ids)) {
Chris@0 65 throw new BadRequestHttpException(t('No contextual ids specified.'));
Chris@0 66 }
Chris@0 67
Chris@17 68 $tokens = $request->request->get('tokens');
Chris@17 69 if (!isset($tokens)) {
Chris@17 70 throw new BadRequestHttpException(t('No contextual ID tokens specified.'));
Chris@17 71 }
Chris@17 72
Chris@0 73 $rendered = [];
Chris@17 74 foreach ($ids as $key => $id) {
Chris@17 75 if (!isset($tokens[$key]) || !Crypt::hashEquals($tokens[$key], Crypt::hmacBase64($id, Settings::getHashSalt() . \Drupal::service('private_key')->get()))) {
Chris@17 76 throw new BadRequestHttpException('Invalid contextual ID specified.');
Chris@17 77 }
Chris@0 78 $element = [
Chris@0 79 '#type' => 'contextual_links',
Chris@0 80 '#contextual_links' => _contextual_id_to_links($id),
Chris@0 81 ];
Chris@0 82 $rendered[$id] = $this->renderer->renderRoot($element);
Chris@0 83 }
Chris@0 84
Chris@0 85 return new JsonResponse($rendered);
Chris@0 86 }
Chris@0 87
Chris@0 88 }