cloud_orchestrator-3.0.0-alpha2/src/EventSubscriber/CloudOrchestratorSubscriber.php

<?php

namespace Drupal\cloud_orchestrator\EventSubscriber;

use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Session\AccountInterface;
use Drupal\Core\StringTranslation\StringTranslationTrait;
use Drupal\Core\Url;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpKernel\Event\ResponseEvent;
use Symfony\Component\HttpKernel\KernelEvents;

/**
 * Event subscriber for cloud_orchestrator profile.
 */
class CloudOrchestratorSubscriber implements EventSubscriberInterface {

  use StringTranslationTrait;

  /**
   * The current user.
   *
   * @var \Drupal\Core\Session\AccountInterface
   */
  protected $currentUser;

  /**
   * The route match.
   *
   * @var \Drupal\Core\Routing\RouteMatchInterface
   */
  private $routeMatch;

  /**
   * Construct a new CloudOrchestratorEventSubscriber.
   *
   * @param \Drupal\Core\Session\AccountInterface $current_user
   *   Current account.
   * @param \Drupal\Core\Routing\RouteMatchInterface $route_match
   *   The route match.
   */
  public function __construct(AccountInterface $current_user, RouteMatchInterface $route_match) {
    $this->currentUser = $current_user;
    $this->routeMatch = $route_match;
  }

  /**
   * Redirect to login page if anonymous user.
   *
   * @param \Symfony\Component\HttpKernel\Event\ResponseEvent $event
   *   The response event.
   */
  public function redirectIfAnon(ResponseEvent $event) {

    if (!$this->currentUser->isAnonymous()) {
      return;
    }

    $route_names = [
      'user.login',
      'user.pass',
      'user.logout',
      'user.register',
      'user.reset',
      'user.reset.form',
      'user.reset.login',
      'cloud.health_check',
      'tfa.entry',
      // The following are 10.1.x routes that builds aggregated CSS/JS.
      // Anonymous users need to be able to access them otherwise, they can
      // see a login page with no CSS/JS styling if the assets have not been
      // aggregated yet.
      // See https://www.drupal.org/project/drupal/issues/1014086.
      'system.css_asset',
      'system.js_asset',
    ];

    if (!in_array($this->routeMatch->getRouteName(), $route_names)) {

      $response = new RedirectResponse(
        Url::fromRoute(
          'user.login'
        )->toString()
      );
      $event->setResponse($response);
    }
  }

  /**
   * {@inheritdoc}
   */
  public static function getSubscribedEvents() {
    $events[KernelEvents::RESPONSE][] = ['redirectIfAnon'];
    return $events;
  }

}