/**
  * get the security settings for a route
  *
  * @param sfRoute $route
  * @return array
  */
 protected function getSecurityConfigForRoute(sfRoute $route)
 {
     $route_defaults = $route->getDefaults() ? $route->getDefaults() : $route->getDefaultParameters();
     $config = $this->context->getConfiguration();
     if ($file = $config->getConfigCache()->checkConfig('modules/' . $route_defaults['module'] . '/config/security.yml', true)) {
         require $file;
     } else {
         $this->security = array();
     }
     $secure = $this->getSecurityValue($route_defaults['action'], 'is_secure');
     $credentials = $this->getSecurityValue($route_defaults['action'], 'credentials');
     if (!is_null($credentials) && !is_array($credentials)) {
         $credentials = array($credentials);
     }
     return array('is_secure' => $secure, 'credentials' => $credentials);
 }