public bool Logon(string user, string password, SiteType type)
        {
            bool loggedOn = false;
            if(type == SiteType.Instagram)
            {
                string CSRF = GetCSRFLogon(); ;
                string post = "username=" + user + "&password=" + password;
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://www.instagram.com/accounts/login/ajax/");
                request.Method = "POST";
                request.Host = "www.instagram.com";
                request.KeepAlive = true;
                request.UserAgent = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36";
                request.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
                request.Accept = "*/*";
                request.Referer = "https://www.instagram.com/accounts/login/";
                request.Headers.Add("Origin", "https://www.instagram.com");
                request.Headers.Add("X-Instagram-AJAX", "1");
                request.Headers.Add("X-Requested-With", "XMLHttpRequest");
                request.Headers.Add("X-CSRFToken", CSRF);
                request.Headers.Add("Accept-Language", "en-US,en;q=0.8");
                request.Headers.Add("Cookie", $"mid=VlW1MgAEAAEgkDVr8Pa-nokWXqCF; csrftoken={CSRF}; ig_pr=1; ig_vw=1160");

                byte[] postBytes = Encoding.ASCII.GetBytes(post);
                request.ContentLength = postBytes.Length;
                Stream requestStream = request.GetRequestStream();

                requestStream.Write(postBytes, 0, postBytes.Length);
                requestStream.Close();

                HttpWebResponse response = (HttpWebResponse)request.GetResponse();

                string html = new StreamReader(response.GetResponseStream()).ReadToEnd();
                loggedOn = html.Contains("\"authenticated\": true");
                var cookieTitle = "sessionid";
                var cookie = response.Headers.GetValues("Set-Cookie").First(x => x.StartsWith(cookieTitle));
                IGSessionID = cookie;
                string[] splitter = IGSessionID.Split(new string[] { "sessionid=" }, StringSplitOptions.None);
                IGSessionID = splitter[1];
            }
            return loggedOn;
        }