public WebRequest DelegatedRequest(string url, Format format) { var credentials = ((OAuthCredentials)Credentials); credentials.Version = "1.0"; credentials.CallbackUrl = string.Empty; var request = new RestRequest { Credentials = Credentials, Path = "account/verify_credentials." + ((format == Format.Json) ? "json" : "xml"), Method = WebMethod.Get }; // TODO: cannot intercept BuildEndpoint without having to mock RestClient var restClient = (RestClient)Client; var endpoint = request.BuildEndpoint(restClient); var webReq = (HttpWebRequest)WebRequest.Create(url); webReq.Headers = new WebHeaderCollection(); webReq.Headers["X-Auth-Service-Provider"] = endpoint.ToString(); var x = new OAuthWebQueryInfo(); var query = Credentials.GetQueryFor(endpoint.ToString(), request, x, WebMethod.Get, true); var info = query.Info as OAuthWebQueryInfo; if (info != null) { var xVerifyCredentialsAuthorization = string.Format(AuthorizationTemplate, info.ConsumerKey, info.Token, info.SignatureMethod, info.Signature, info.Timestamp, info.Nonce, info.Version); webReq.Headers["X-Verify-Credentials-Authorization"] = xVerifyCredentialsAuthorization; } return webReq; }