Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\editor;
Chris@0: 
Chris@0: use Drupal\Core\Ajax\AjaxResponse;
Chris@0: use Drupal\Core\Controller\ControllerBase;
Chris@0: use Drupal\Core\Entity\EntityInterface;
Chris@0: use Drupal\editor\Ajax\GetUntransformedTextCommand;
Chris@0: use Drupal\filter\Plugin\FilterInterface;
Chris@0: use Drupal\filter\FilterFormatInterface;
Chris@0: use Symfony\Component\HttpFoundation\JsonResponse;
Chris@0: use Symfony\Component\HttpFoundation\Request;
Chris@0: use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
Chris@0: 
Chris@0: /**
Chris@0:  * Returns responses for Editor module routes.
Chris@0:  */
Chris@0: class EditorController extends ControllerBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * Returns an Ajax response to render a text field without transformation filters.
Chris@0:    *
Chris@0:    * @param \Drupal\Core\Entity\EntityInterface $entity
Chris@0:    *   The entity of which a formatted text field is being rerendered.
Chris@0:    * @param string $field_name
Chris@0:    *   The name of the (formatted text) field that is being rerendered
Chris@0:    * @param string $langcode
Chris@0:    *   The name of the language for which the formatted text field is being
Chris@0:    *   rerendered.
Chris@0:    * @param string $view_mode_id
Chris@0:    *   The view mode the formatted text field should be rerendered in.
Chris@0:    *
Chris@0:    * @return \Drupal\Core\Ajax\AjaxResponse
Chris@0:    *   The Ajax response.
Chris@0:    */
Chris@0:   public function getUntransformedText(EntityInterface $entity, $field_name, $langcode, $view_mode_id) {
Chris@0:     $response = new AjaxResponse();
Chris@0: 
Chris@0:     // Direct text editing is only supported for single-valued fields.
Chris@0:     $field = $entity->getTranslation($langcode)->$field_name;
Chris@0:     $editable_text = check_markup($field->value, $field->format, $langcode, [FilterInterface::TYPE_TRANSFORM_REVERSIBLE, FilterInterface::TYPE_TRANSFORM_IRREVERSIBLE]);
Chris@0:     $response->addCommand(new GetUntransformedTextCommand($editable_text));
Chris@0: 
Chris@0:     return $response;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Apply the necessary XSS filtering for using a certain text format's editor.
Chris@0:    *
Chris@0:    * @param \Symfony\Component\HttpFoundation\Request $request
Chris@0:    *   The current request object.
Chris@0:    * @param \Drupal\filter\FilterFormatInterface $filter_format
Chris@0:    *   The text format whose text editor (if any) will be used.
Chris@0:    *
Chris@0:    * @return \Symfony\Component\HttpFoundation\JsonResponse
Chris@0:    *   A JSON response containing the XSS-filtered value.
Chris@0:    *
Chris@0:    * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
Chris@0:    *   Thrown if no value to filter is specified.
Chris@0:    *
Chris@0:    * @see editor_filter_xss()
Chris@0:    */
Chris@0:   public function filterXss(Request $request, FilterFormatInterface $filter_format) {
Chris@0:     $value = $request->request->get('value');
Chris@0:     if (!isset($value)) {
Chris@0:       throw new NotFoundHttpException();
Chris@0:     }
Chris@0: 
Chris@0:     // The original_format parameter will only exist when switching text format.
Chris@0:     $original_format_id = $request->request->get('original_format_id');
Chris@0:     $original_format = NULL;
Chris@0:     if (isset($original_format_id)) {
Chris@18:       $original_format = $this->entityTypeManager()
Chris@0:         ->getStorage('filter_format')
Chris@0:         ->load($original_format_id);
Chris@0:     }
Chris@0: 
Chris@0:     return new JsonResponse(editor_filter_xss($value, $filter_format, $original_format));
Chris@0:   }
Chris@0: 
Chris@0: }