RouteSubscriber.php in Custom Permissions 8

Namespace

Drupal\config_perms\Routing

File

src/Routing/RouteSubscriber.php

<?php

namespace Drupal\config_perms\Routing;

use Drupal\Core\Routing\RouteSubscriberBase;
use Symfony\Component\Routing\RouteCollection;
use Drupal\config_perms\Entity\CustomPermsEntity;

/**
 * Class RouteSubscriber.
 *
 * @package Drupal\config_perms\Routing
 * Listens to the dynamic route events.
 */
class RouteSubscriber extends RouteSubscriberBase {

  /**
   * {@inheritdoc}
   */
  protected function alterRoutes(RouteCollection $collection) {
    $custom_perms = CustomPermsEntity::loadMultiple();
    foreach ($custom_perms as $custom_perm) {
      if ($custom_perm
        ->getStatus()) {
        $paths = $this
          ->configPermsParsePath($custom_perm
          ->getPath());
        foreach ($paths as $path) {
          $path = $path[0] == '/' ? $path : '/' . $path;
          $url_object = \Drupal::service('path.validator')
            ->getUrlIfValidWithoutAccessCheck($path);
          if ($url_object) {
            $route_name = $url_object
              ->getRouteName();
            if ($route = $collection
              ->get($route_name)) {
              $route
                ->setRequirement('_permission', $custom_perm
                ->label());
            }
          }
        }
      }
    }
  }

  /**
   * Custom permission paths to array of paths.
   *
   * @param string $path
   *   Path(s) given by the user.
   *
   * @return array|string
   *   Implode paths in array of strings.
   */
  public function configPermsParsePath($path) {
    if (is_array($path)) {
      $string = implode("\n", $path);
      return $string;
    }
    else {
      $path = str_replace([
        "\r\n",
        "\n\r",
        "\n",
        "\r",
      ], "\n", $path);
      $parts = explode("\n", $path);
      return $parts;
    }
  }

}

Classes

Name	Description
RouteSubscriber	Class RouteSubscriber.