private void BotClient_TermsOfServiceRequestedEventHandler(object sender, TLObjectEventArgs e)
{
//if (MessageBox.Show(e.TermsOfServiceText, "GlassTL Userbot", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.No)
//{
// return;
//}
//botClient.SendAcceptTOS(e.TermsOfServiceId);
}
private void BotClient_FirstNameRequestedEventHandler(object sender, TLObjectEventArgs e)
{
authCodeTextBox.Enabled = false;
verifyAuthCodeButton.Enabled = false;
changeMethodLinkLabel.Enabled = false;
firstNameTextBox.Enabled = true;
lastNameTextBox.Enabled = true;
verifyNameButton.Enabled = true;
}
private void BotClient_AuthCodeRequestedEventHandler(object sender, TLObjectEventArgs e)
{
phoneNumberTextBox.Enabled = false;
loginButton.Enabled = false;
authCodeTextBox.Text = "";
authCodeTextBox.Enabled = true;
verifyAuthCodeButton.Enabled = true;
changeMethodLinkLabel.Enabled = true;
AddToLog(e.ToString());
MessageBox.Show((string)e.TLObject["type"]["_"]);
}
private void BotClient_CloudPasswordRequestedEventHandler(object sender, TLObjectEventArgs e)
{
authCodeTextBox.Enabled = false;
verifyAuthCodeButton.Enabled = false;
changeMethodLinkLabel.Enabled = false;
passwordTextBox.Text = "";
passwordTextBox.Enabled = true;
passwordTextBox.Tag = (e.TLObject["hint"] != null && ((string)e.TLObject["hint"]).Length > 0) ? $"A Cloud Password is set on the account:\n\n{(string)e.TLObject["hint"]}" : "";
verifyPasswordButton.Enabled = true;
viewHintLinkLabel.Enabled = true;
ViewHintLinkLabel_LinkClicked(sender, null);
}
private void BotClient_UpdateUserEventHandler(object sender, TLObjectEventArgs e)
{
authCodeTextBox.Enabled = false;
verifyAuthCodeButton.Enabled = false;
changeMethodLinkLabel.Enabled = false;
firstNameTextBox.Enabled = false;
lastNameTextBox.Enabled = false;
verifyNameButton.Enabled = false;
passwordTextBox.Enabled = false;
verifyPasswordButton.Enabled = false;
viewHintLinkLabel.Enabled = false;
phoneNumberTextBox.Text = (string)e.TLObject["phone_number"];
firstNameTextBox.Text = (string)e.TLObject["first_name"];
lastNameTextBox.Text = (string)(e.TLObject["last_name"] ?? "");
Text = (string)e.TLObject["first_name"] + ((((string)e.TLObject["last_name"] ?? "").Length > 0) ? $" {(string)e.TLObject["last_name"]}" : "") + " - " + e.TLObject["id"];
//AddToLog(e.User.ToString());
}
private async void BotClient_NewMessageEventHandler(object sender, TLObjectEventArgs e)
{
try
{
if (RawUpdatesCheckbox.Checked)
{
AddToLog(e.TLObject.ToString());
}
var FromUser = e.TLObject["from_user"];
var ToPeer = e.TLObject["to_peer"];
var FromName = "";
var ToName = "";
var FromId = 0;
var ToId = 0;
if (ToPeer.Value <string>("_") == "channel")
{
ToName = ToPeer.Value <string>("title");
}
else
{
ToName = $"{ToPeer.Value<string>("first_name")} {ToPeer.Value<string>("last_name")}".Trim();
}
FromName = FromUser.Type != JTokenType.Null
? $"{FromUser.Value<string>("first_name")} {FromUser.Value<string>("last_name")}".Trim()
: default;
if (string.IsNullOrEmpty(FromName))
{
FromName = "No-Name";
}
if (string.IsNullOrEmpty(ToName))
{
ToName = "No-Name";
}
FromId = FromUser.Type != JTokenType.Null
? FromUser.Value <int>("id")
: default;
ToId = ToPeer.Value <int>("id");
AddToLog($"{FromName} ({FromId}) -> {ToName} ({ToId}) >>> {e.TLObject["message"].Value<string>("message")}");
if (FromUser.Type == JTokenType.Null)
{
return;
}
if ((bool)e.TLObject["message"]["out"])
{
return;
}
if (!(new long[] { 876650892, 960462, 295152997, 976906477 }).Contains((long)FromUser["id"]))
{
return;
}
//if (!(new long[] { 848427085, 234480941, 313742192, 537790376 }).Contains(FromId)) return;
TLObject ShouldReplyTo;
if ((int)botClient.CurrentUser["id"] == (int)ToPeer["id"])
{
ShouldReplyTo = new TLObject(FromUser);
}
else
{
ShouldReplyTo = new TLObject(ToPeer);
}
switch ((string)e.TLObject["message"]["message"])
{
case ";ping":
var first = DateTime.Now;
var UpdateEventArgs = await botClient.SendMessage(ShouldReplyTo, "<b>Status</b>\n\n<code>✅ Online</code>\n\n<i>(calculating lag...)</i>");
double lag = Math.Round((DateTime.Now - first).TotalMilliseconds, 2);
UpdateEventArgs = await botClient.EditMessage(ShouldReplyTo, UpdateEventArgs, $"<b>Status</b>\n\n<code>✅ Online</code>\n\n(<i>reply took {lag}ms</i>)");
break;
case ";code":
await botClient.SendMessage(ShouldReplyTo, $"<code>{e.TLObject["message"].ToString()}</code>");
break;
case ";whois":
//long UserId = -335698371; //-10010356929597;
//UpdateEventArgs u = await botClient.GetChat(UserId);
//await botClient.SendMessage(ShouldReplyTo, u.RawUpdate.ToString());
break;
default:
break;
}
}
catch (Exception ex)
{
}
}
private void BotClient_ClientLoggedOutEventHandler(object sender, TLObjectEventArgs e)
{
MessageBox.Show("You have been logged out.", "GlassTL Userbot", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
private void BotClient_PhoneNumberRequestedEventHandler(object sender, TLObjectEventArgs e)
{
phoneNumberTextBox.Text = "";
phoneNumberTextBox.Enabled = true;
loginButton.Enabled = true;
}
private void Sender_TLObjectReceivedEvent(object sender, TLObjectEventArgs e)
{
// Ignore any data that we aren't expecting
if (CurrentState == AuthenticationState.NotStarted)
{
Logger.Log(Logger.Level.Debug, $"Received authentication data unexpectedly. Skipping. Try restarting the connection.");
return;
}
else if (MTSender == null)
{
// How did we get here if there's no sender? Hmm?
var sad = new Exception("Unable to find a connection to Telegram. Skipping. Try restarting the connection.");
Logger.Log(sad);
Response.TrySetException(sad);
CurrentState = AuthenticationState.NotStarted;
return;
}
switch (CurrentState)
{
case AuthenticationState.PQRequest:
// Deserialize the data
var ResPQ = e.TLObject;
Logger.Log(Logger.Level.Debug, $"Received TLObject {ResPQ["_"]}.");
// Factorize the PQ into two prime factors and fail if we can't
if (!Helpers.FindPQ((byte[])ResPQ["pq"], out JToken factorizedPair))
{
var sad = new Exception($"Unable to find any valid factors of PQ: {ResPQ["pq"]}");
Logger.Log(sad);
Response.TrySetException(sad);
MTSender.TLObjectReceivedEvent -= Sender_TLObjectReceivedEvent;
CurrentState = AuthenticationState.NotStarted;
Logger.Log(Logger.Level.Debug, $"Unsubscribed from {nameof(MTSender.TLObjectReceivedEvent)} event");
Logger.Log(Logger.Level.Info, $"Auth aborted.");
return;
}
// Compile the PQ information
PQInnerData = schema.p_q_inner_data(new
{
pq = factorizedPair["pq"],
p = factorizedPair["min"],
q = factorizedPair["max"],
nonce = ResPQ["nonce"],
server_nonce = ResPQ["server_nonce"],
new_nonce = Helpers.GenerateRandomBytes(32)
});
// Encrypt the PQ information.
// NOTE: Because the server responded with potentially more than one fingerprint,
// this also returns the fingerprint that we are using.
(var fingerpint, var EncryptedInnerData) = MTProto.Crypto.RSA.Encrypt(ResPQ["server_public_key_fingerprints"].ToObject <long[]>(), PQInnerData.Serialize());
Logger.Log(Logger.Level.Debug, $"Using Public RSA Key: {fingerpint}");
// Get ready for the next response
CurrentState = AuthenticationState.ServerDHRequest;
Logger.Log(Logger.Level.Debug, $"Submitting PQ factor to server");
// Compile the rest of the information and send to the server for grading
MTSender.Send(schema.req_DH_params(new
{
nonce = ResPQ["nonce"],
server_nonce = ResPQ["server_nonce"],
p = factorizedPair["min"],
q = factorizedPair["max"],
public_key_fingerprint = fingerpint,
encrypted_data = EncryptedInnerData
}));
break;
case AuthenticationState.ServerDHRequest:
// Make sure we have all the needed info
if (PQInnerData == null)
{
var sad = new Exception("Unable to find the PQInnerData object from previous steps. Please restart the connection process");
Logger.Log(sad);
Response.TrySetException(sad);
MTSender.TLObjectReceivedEvent -= Sender_TLObjectReceivedEvent;
CurrentState = AuthenticationState.NotStarted;
Logger.Log(Logger.Level.Debug, $"Unsubscribed from {nameof(MTSender.TLObjectReceivedEvent)} event");
Logger.Log(Logger.Level.Info, $"Auth aborted.");
return;
}
// Deserialize the data
var ServerDHParams = e.TLObject;
Logger.Log(Logger.Level.Debug, $"Received TLObject {ServerDHParams["_"]}.");
// Determine the result
if ((string)ServerDHParams["_"] != "server_DH_params_ok")
{
// Aaaand we failed to handle things correctly
var sad = new Exception($"The server responded with a {ServerDHParams["_"]} response. We are unable to continue.");
Logger.Log(sad);
Response.TrySetException(sad);
MTSender.TLObjectReceivedEvent -= Sender_TLObjectReceivedEvent;
CurrentState = AuthenticationState.NotStarted;
Logger.Log(Logger.Level.Debug, $"Unsubscribed from {nameof(MTSender.TLObjectReceivedEvent)} event");
Logger.Log(Logger.Level.Info, $"Auth aborted.");
return;
}
Logger.Log(Logger.Level.Debug, $"Decrypting the DHInnerData");
var key = AES.GenerateKeyDataFromNonces((byte[])ServerDHParams["server_nonce"], (byte[])PQInnerData["new_nonce"]);
var plaintextAnswer = AES.DecryptAES(key, (byte[])ServerDHParams["encrypted_answer"]);
using (var memory = new MemoryStream(plaintextAnswer))
using (var reader = new BinaryReader(memory))
{
var hashsum = reader.ReadBytes(20);
ServerDHInnerData = TLObject.Deserialize(reader);
}
if (ServerDHInnerData == null)
{
var sad = new Exception("The server did not respond with valid DH Inner Data. We are unable to continue.");
Logger.Log(sad);
Response.TrySetException(sad);
MTSender.TLObjectReceivedEvent -= Sender_TLObjectReceivedEvent;
CurrentState = AuthenticationState.NotStarted;
Logger.Log(Logger.Level.Debug, $"Unsubscribed from {nameof(MTSender.TLObjectReceivedEvent)} event");
Logger.Log(Logger.Level.Info, $"Auth aborted.");
return;
}
if ((string)ServerDHInnerData["_"] != "server_DH_inner_data")
{
var sad = new Exception($"The server responded with a {ServerDHInnerData["_"]} response. We are unable to continue.");
Logger.Log(sad);
Response.TrySetException(sad);
MTSender.TLObjectReceivedEvent -= Sender_TLObjectReceivedEvent;
CurrentState = AuthenticationState.NotStarted;
Logger.Log(Logger.Level.Debug, $"Unsubscribed from {nameof(MTSender.TLObjectReceivedEvent)} event");
Logger.Log(Logger.Level.Info, $"Auth aborted.");
return;
}
Logger.Log(Logger.Level.Debug, $"Decrypted TLObject {ServerDHInnerData["_"]}.");
TimeOffset = (int)ServerDHInnerData["server_time"] - (int)(DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalSeconds;
Logger.Log(Logger.Level.Debug, $"Updated Time Offset {TimeOffset}.");
Logger.Log(Logger.Level.Debug, $"Calculating GAB");
var b = new BigInteger(1, Helpers.GenerateRandomBytes(256));
var gb = BigInteger.ValueOf((int)ServerDHInnerData["g"]).ModPow(b, new BigInteger(1, (byte[])ServerDHInnerData["dh_prime"]));
gab = new BigInteger(1, (byte[])ServerDHInnerData["g_a"]).ModPow(b, new BigInteger(1, (byte[])ServerDHInnerData["dh_prime"]));
TLObject ClientDHInnerData = schema.client_DH_inner_data(new
{
nonce = ServerDHInnerData["nonce"],
server_nonce = ServerDHInnerData["server_nonce"],
retry_id = 0L,
g_b = gb.ToByteArrayUnsigned()
});
var ClientDHInnerData_raw = ClientDHInnerData.Serialize();
byte[] ClientDHInnerDataHash = null;
using (var memory = new MemoryStream())
using (var writer = new BinaryWriter(memory))
using (var sha = SHA1.Create())
{
writer.Write(sha.ComputeHash(ClientDHInnerData_raw));
writer.Write(ClientDHInnerData_raw);
ClientDHInnerDataHash = memory.ToArray();
}
Logger.Log(Logger.Level.Debug, $"Sending ClientDHRequest");
// Get ready to the next response
CurrentState = AuthenticationState.ClientDHRequest;
MTSender.Send(schema.set_client_DH_params(new
{
nonce = ServerDHInnerData["nonce"],
server_nonce = ServerDHInnerData["server_nonce"],
encrypted_data = AES.EncryptAES(key, ClientDHInnerDataHash)
}));
break;
case AuthenticationState.ClientDHRequest:
// Make sure we have all the needed info
if (gab == null)
{
var sad = new Exception("Unable to find the GAB object from previous steps. Please restart the connection process");
Logger.Log(sad);
Response.TrySetException(sad);
MTSender.TLObjectReceivedEvent -= Sender_TLObjectReceivedEvent;
CurrentState = AuthenticationState.NotStarted;
Logger.Log(Logger.Level.Debug, $"Unsubscribed from {nameof(MTSender.TLObjectReceivedEvent)} event");
Logger.Log(Logger.Level.Info, $"Auth aborted.");
return;
}
else if (TimeOffset == null)
{
var sad = new Exception("Unable to find the TimeOffset from previous steps. Please restart the connection process");
Logger.Log(sad);
Response.TrySetException(sad);
MTSender.TLObjectReceivedEvent -= Sender_TLObjectReceivedEvent;
CurrentState = AuthenticationState.NotStarted;
Logger.Log(Logger.Level.Debug, $"Unsubscribed from {nameof(MTSender.TLObjectReceivedEvent)} event");
Logger.Log(Logger.Level.Info, $"Auth aborted.");
return;
}
var SetClientDHParamsAnswer = e.TLObject;
var AuthKey = new AuthKey(gab);
var newNonceHashCalculated = AuthKey.CalcNewNonceHash((byte[])PQInnerData["new_nonce"], 1);
Logger.Log(Logger.Level.Debug, $"Received TLObject {SetClientDHParamsAnswer["_"]}.");
if (!((byte[])SetClientDHParamsAnswer["new_nonce_hash1"]).SequenceEqual(newNonceHashCalculated))
{
var sad = new Exception("The server returned an invalid new nonce hash 1. Please restart the connection process");
Logger.Log(sad);
Response.TrySetException(sad);
MTSender.TLObjectReceivedEvent -= Sender_TLObjectReceivedEvent;
CurrentState = AuthenticationState.NotStarted;
Logger.Log(Logger.Level.Debug, $"Unsubscribed from {nameof(MTSender.TLObjectReceivedEvent)} event");
Logger.Log(Logger.Level.Info, $"Auth aborted.");
return;
}
Logger.Log(Logger.Level.Info, $"Successfully negotiated authorization with the server");
MTSender.TLObjectReceivedEvent -= Sender_TLObjectReceivedEvent;
Response.TrySetResult(new ServerAuthentication
{
AuthKey = AuthKey,
TimeOffset = (int)TimeOffset
});
break;
}
}
