public void ProcessRequest(HttpContext context)
        {
            //Call for Logout
            if (current.Request.Url.ToString().IndexOf("logout.sauth") > -1)
            {
                SocialAuthUser.Disconnect();
            }


            //Call for login (likely from HTML clients) with provider in parameter "p"
            else if (HttpContext.Current.Request.RawUrl.ToLower().Contains("login.sauth"))
            {
                string returnUrl = "";
                if (current.Request["returnUrl"] != null)
                {
                    returnUrl = current.Request["returnUrl"];
                }

                if (current.Request["p"] != null)
                {
                    SocialAuthUser.Connect((PROVIDER_TYPE)Enum.Parse(typeof(PROVIDER_TYPE), HttpContext.Current.Request["p"].ToUpper()), returnURL: returnUrl);
                }
            }

            //call to display login Form
            else if (HttpContext.Current.Request.RawUrl.ToLower().Contains("loginform.sauth"))
            {
                RenderHtml();
                HttpContext.Current.Response.End();
            }

            //call to process response received from Providers
            else if (HttpContext.Current.Request.RawUrl.ToLower().Contains("validate.sauth"))
            {
                SocialAuthUser.LoginCallback(HttpContext.Current.Request.Url.ToString());
            }
        }