ServiceStack.RequiresAnyPermissionAttribute.Execute C# (CSharp) Method

        public override void Execute(IRequest req, IResponse res, object requestDto)
        {
            base.Execute(req, res, requestDto); //first check if session is authenticated
            if (res.IsClosed) return; //AuthenticateAttribute already closed the request (ie auth failed)

            var session = req.GetSession();
            if (HasAnyPermissions(req, session)) return;

            if (DoHtmlRedirectIfConfigured(req, res)) return;

            res.StatusCode = (int)HttpStatusCode.Forbidden;
            res.StatusDescription = "Invalid Permission";
            res.EndRequest();
        }