C2dmSharp.Server.C2dmService.RefreshGoogleAuthToken C# (CSharp) Method

        public void RefreshGoogleAuthToken()
        {
            string authUrl = "https://www.google.com/accounts/ClientLogin";

            var data = new NameValueCollection();

            data.Add("Email", this.SenderID);
            data.Add("Passwd", this.Password);
            data.Add("accountType", "GOOGLE_OR_HOSTED");
            data.Add("service", "ac2dm");
            data.Add("source", this.ApplicationID);

            var wc = new WebClient();

            try
            {
                var authStr = Encoding.ASCII.GetString(wc.UploadValues(authUrl, data));

                //Only care about the Auth= part at the end
                if (authStr.Contains("Auth="))
                    googleAuthToken = authStr.Substring(authStr.IndexOf("Auth=") + 5);
                else
                    throw new GoogleLoginAuthorizationException("Missing Auth Token");
            }
            catch (WebException ex)
            {
                var result = "Unknown Error";
                try { result = (new System.IO.StreamReader(ex.Response.GetResponseStream())).ReadToEnd(); }
                catch { }

                throw new GoogleLoginAuthorizationException(result);
            }
        }