FilterPermissions.php

<?php

namespace Drupal\filter;

use Drupal\Core\DependencyInjection\ContainerInjectionInterface;
use Drupal\Core\DependencyInjection\DeprecatedServicePropertyTrait;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Provides dynamic permissions of the filter module.
 */
class FilterPermissions implements ContainerInjectionInterface {
  use StringTranslationTrait;
  use DeprecatedServicePropertyTrait;
  
  /**
   * {@inheritdoc}
   */
  protected $deprecatedProperties = [
    'entityManager' => 'entity.manager',
  ];
  
  /**
   * The entity type manager.
   *
   * @var \Drupal\Core\Entity\EntityTypeManagerInterface
   */
  protected $entityTypeManager;
  
  /**
   * Constructs a new FilterPermissions instance.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
   *   The entity type manager.
   */
  public function __construct(EntityTypeManagerInterface $entity_type_manager) {
    $this->entityTypeManager = $entity_type_manager;
  }
  
  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container->get('entity_type.manager'));
  }
  
  /**
   * Returns an array of filter permissions.
   *
   * @return array
   */
  public function permissions() {
    $permissions = [];
    // Generate permissions for each text format. Warn the administrator that any
    // of them are potentially unsafe.
    /** @var \Drupal\filter\FilterFormatInterface[] $formats */
    $formats = $this->entityTypeManager
      ->getStorage('filter_format')
      ->loadByProperties([
      'status' => TRUE,
    ]);
    uasort($formats, 'Drupal\\Core\\Config\\Entity\\ConfigEntityBase::sort');
    foreach ($formats as $format) {
      if ($permission = $format->getPermissionName()) {
        $permissions[$permission] = [
          'title' => $this->t('Use the <a href=":url">@label</a> text format', [
            ':url' => $format->toUrl()
              ->toString(),
            '@label' => $format->label(),
          ]),
          'description' => [
            '#prefix' => '<em>',
            '#markup' => $this->t('Warning: This permission may have security implications depending on how the text format is configured.'),
            '#suffix' => '</em>',
          ],
        ];
      }
    }
    return $permissions;
  }

}