Servicestack OAuth JWT Verification

gistfile1.cs

            this.GlobalRequestFilters.Add((httpReq, httpResp, requestDto) =>
            {
                var header = httpReq.Headers["Authorization"];

                if( header.IsNullOrEmpty() ) {
                    httpResp.StatusCode = (int)HttpStatusCode.Unauthorized;
                    httpResp.EndRequest();
                }

                try
                {
                    var token = header.Split(' ');

                    if( token[0].ToUpper() != "BEARER" ){
                        httpResp.StatusCode = (int)HttpStatusCode.Unauthorized;
                        httpResp.EndRequest();
                    }

                    var secret = appSettings.GetString("oauth.auth0.AppSecret").Replace('-', '+').Replace('_', '/');
                    JWT.JsonWebToken.Decode(token[1], Convert.FromBase64String(secret), verify: true);
                }
                catch (Exception)
                {
                    httpResp.StatusCode = (int)HttpStatusCode.Unauthorized;
                    httpResp.EndRequest();
                    
                }

            });