public function MaintenanceModeExempt::exempt in Maintenance Exempt 8

Determines whether a user has access to the site in maintenance mode.

Parameters

\Drupal\Core\Session\AccountInterface $account: The logged in user.

Return value

bool TRUE if the user should be exempted from maintenance mode.

Overrides MaintenanceMode::exempt

File

src/MaintenanceModeExempt.php, line 50

Class

MaintenanceModeExempt

Provides the default implementation of the maintenance mode service.

Namespace

Drupal\maintenance_exempt

Code

public function exempt(AccountInterface $account) {

  // Standard core behaviour - check user's permission.
  if ($account
    ->hasPermission('access site in maintenance mode')) {
    return TRUE;
  }

  // Check if the IP address should be exempted.
  $client_ip = $this->request
    ->getClientIp();
  if (in_array($client_ip, maintenance_exempt_get_ips())) {
    return TRUE;
  }
  if (maintenance_exempt_by_cidr_notation($client_ip)) {
    return TRUE;
  }

  // Check if the URL should be exempted.
  $exempt_urls = \Drupal::config('maintenance_exempt.settings')
    ->get('exempt_urls');

  // Check the actual URL.
  $current_url = $this->request
    ->getPathInfo();
  if ($this->pathMatcher
    ->matchPath($current_url, $exempt_urls)) {
    return TRUE;
  }

  // Check the system path of aliased paths.
  $current_path = \Drupal::service('path.current')
    ->getPath();
  if ($this->pathMatcher
    ->matchPath($current_path, $exempt_urls)) {
    return TRUE;
  }

  // Fetch the query string exemption key if there is one.
  $config = \Drupal::config('maintenance_exempt.settings');
  $key = $config
    ->get('query_key');

  // Exemption status may be stored in the session.
  if (isset($_SESSION['maintenance_exempt']) && $_SESSION['maintenance_exempt'] == $key) {
    return TRUE;
  }
  if ($key && isset($_GET[$key])) {
    $_SESSION['maintenance_exempt'] = $key;
    return TRUE;
  }

  // No valid exemption, so user remains blocked.
  return FALSE;
}