code: function check_role_authorization(req, res, next) {
  
      if (!req.hasOwnProperty("user") || !req.user.hasOwnProperty('authorized_roles') ||
          !(req.user.authorized_roles instanceof Array) || req.user.authorized_roles.length === 0){
  
          running_debug("Unhautorized: Invalid role or path not configured");
          var err = new Error("Unhautorized: Invalid role or path not configured");
          err.status = 401;
          return next(err);
  
      }
  
      running_debug("Authorized roles: " + req.user.authorized_roles);
      return next();
  
  
  }
docs: The middleware to check if the request contains at least one roles enabled to
  fullfill the requesting resource
  @param   {Object}   req  the requsest object
  @param   {Object} res  the response object
  @param   {Function} next next middlware
  @returns {Function} the next middleware or 401