Instagram Turbo Codes

HttpWebRequest requestID = (HttpWebRequest)WebRequest.Create("https://instagram.com/" + username + "/");
                requestID.AllowAutoRedirect = true;
                HttpWebResponse responseID = (HttpWebResponse)requestID.GetResponse();
                string strID = new StreamReader(responseID.GetResponseStream(), Encoding.UTF8).ReadToEnd();
                id = getToken(strID, "id\": \"", "\",", 0);

                HttpWebRequest request = (HttpWebRequest)WebRequest.Create("https://instagram.com/");
                request.AllowAutoRedirect = true;
                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                string str = new StreamReader(response.GetResponseStream(), Encoding.UTF8).ReadToEnd();
                csrf = getToken(str, "csrf_token\": \"", "\",", 0);

                string post = "username=" + username + "&password=" + password;

                HttpWebRequest requestAuth = (HttpWebRequest)WebRequest.Create("https://www.instagram.com/accounts/login/ajax/");
                requestAuth.Method = "POST";
                requestAuth.Host = "www.instagram.com";
                requestAuth.KeepAlive = true;
                requestAuth.UserAgent = "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36";
                requestAuth.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
                requestAuth.Accept = "*/*";
                requestAuth.Referer = "https://www.instagram.com/accounts/login/";
                requestAuth.Headers.Add("Origin", "https://www.instagram.com");
                requestAuth.Headers.Add("X-Instagram-AJAX", "1");
                requestAuth.Headers.Add("X-Requested-With", "XMLHttpRequest");
                requestAuth.Headers.Add("X-CSRFToken", csrf);
                requestAuth.Headers.Add("Accept-Language", "en-US,en;q=0.8");
                requestAuth.Headers.Add("Cookie", $"mid=VlW1MgAEAAEgkDVr8Pa-nokWXqCF; csrftoken={csrf}; ig_pr=1; ig_vw=1160");

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

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


HttpWebResponse responseAuth = (HttpWebResponse)requestAuth.GetResponse();
                string html = new StreamReader(responseAuth.GetResponseStream()).ReadToEnd();


if (html.Contains("\"authenticated\": true"))
                {
                    var cookieTitle = "sessionid";
                    var cookie = responseAuth.Headers.GetValues("Set-Cookie").First(x => x.StartsWith(cookieTitle));

                    IGSessionIDLogin = cookie;
                    string[] splitter = IGSessionIDLogin.Split(new string[] { "sessionid=" }, StringSplitOptions.None);
                    IGSessionIDLogin = splitter[1];

                    bool status = true;
                    bool cancel = (bool)this.Invoke((Func<bool, bool>)DoCheapGuiAccess, status);
                }
                else
                {
                    bool status = false;
                    bool cancel = (bool)this.Invoke((Func<bool, bool>)DoCheapGuiAccess, status);
                }