public function UserAuthenticationController::login in Drupal 8

Same name and namespace in other branches

1. 9 core/modules/user/src/Controller/UserAuthenticationController.php \Drupal\user\Controller\UserAuthenticationController::login()

Logs in a user.

Parameters

\Symfony\Component\HttpFoundation\Request $request: The request.

Return value

\Symfony\Component\HttpFoundation\Response A response which contains the ID and CSRF token.

1 string reference to 'UserAuthenticationController::login'

user.routing.yml in core/modules/user/user.routing.yml

core/modules/user/user.routing.yml

File

core/modules/user/src/Controller/UserAuthenticationController.php, line 163

Class

UserAuthenticationController

Provides controllers for login, login status and logout via HTTP requests.

Namespace

Drupal\user\Controller

Code

public function login(Request $request) {
  $format = $this
    ->getRequestFormat($request);
  $content = $request
    ->getContent();
  $credentials = $this->serializer
    ->decode($content, $format);
  if (!isset($credentials['name']) && !isset($credentials['pass'])) {
    throw new BadRequestHttpException('Missing credentials.');
  }
  if (!isset($credentials['name'])) {
    throw new BadRequestHttpException('Missing credentials.name.');
  }
  if (!isset($credentials['pass'])) {
    throw new BadRequestHttpException('Missing credentials.pass.');
  }
  $this
    ->floodControl($request, $credentials['name']);
  if ($this
    ->userIsBlocked($credentials['name'])) {
    throw new BadRequestHttpException('The user has not been activated or is blocked.');
  }
  if ($uid = $this->userAuth
    ->authenticate($credentials['name'], $credentials['pass'])) {
    $this->flood
      ->clear('user.http_login', $this
      ->getLoginFloodIdentifier($request, $credentials['name']));

    /** @var \Drupal\user\UserInterface $user */
    $user = $this->userStorage
      ->load($uid);
    $this
      ->userLoginFinalize($user);

    // Send basic metadata about the logged in user.
    $response_data = [];
    if ($user
      ->get('uid')
      ->access('view', $user)) {
      $response_data['current_user']['uid'] = $user
        ->id();
    }
    if ($user
      ->get('roles')
      ->access('view', $user)) {
      $response_data['current_user']['roles'] = $user
        ->getRoles();
    }
    if ($user
      ->get('name')
      ->access('view', $user)) {
      $response_data['current_user']['name'] = $user
        ->getAccountName();
    }
    $response_data['csrf_token'] = $this->csrfToken
      ->get('rest');
    $logout_route = $this->routeProvider
      ->getRouteByName('user.logout.http');

    // Trim '/' off path to match \Drupal\Core\Access\CsrfAccessCheck.
    $logout_path = ltrim($logout_route
      ->getPath(), '/');
    $response_data['logout_token'] = $this->csrfToken
      ->get($logout_path);
    $encoded_response_data = $this->serializer
      ->encode($response_data, $format);
    return new Response($encoded_response_data);
  }
  $flood_config = $this
    ->config('user.flood');
  if ($identifier = $this
    ->getLoginFloodIdentifier($request, $credentials['name'])) {
    $this->flood
      ->register('user.http_login', $flood_config
      ->get('user_window'), $identifier);
  }

  // Always register an IP-based failed login event.
  $this->flood
    ->register('user.failed_login_ip', $flood_config
    ->get('ip_window'));
  throw new BadRequestHttpException('Sorry, unrecognized username or password.');
}