/**
  * Constructor
  * @param $request PKPRequest
  * @param $operations array|string either a single operation or a list of operations that
  *  this policy is targeting.
  * @param $message string a message to be displayed if the authorization fails
  */
 function __construct($request, $args, $operations, $message = 'user.authorization.processAuthenticationTokenRequired')
 {
     if (isset($args['authToken'])) {
         $this->authToken = $args['authToken'];
     }
     parent::__construct($request, $operations, $message);
 }