private List <RpcAnswer> ProcessAnswers(Combinator request, IEnumerable <Combinator> response)
{
var answers = new List <RpcAnswer>();
foreach (Combinator combinator in response)
{
if (_systemCalls.Contains(combinator.Name))
{
Trace.TraceInformation("#System: {0}", combinator);
if (combinator.Name == "bad_server_salt")
{
_settings.NonceNewNonceXor = combinator.Get <long>("new_server_salt");
SaveSettings(_settings);
RpcAnswer result = RpcCall(request);
answers.Add(result);
}
}
else if (combinator.Descriptor.type == "Updates")
{
Trace.TraceInformation("#Update: {0}", combinator);
ProcessUpdates(combinator);
}
else
{
Trace.TraceInformation("#Recieve: {0}", combinator);
// todo: проверять тип комбинаторов. Учесть: rpc_error, X, Vector t, etc.
answers.Add(new RpcAnswer(combinator));
}
}
return(answers);
}
public RpcAnswer PerformRpcCall(Combinator request, bool reconnect = true)
{
if (_connection == null)
{
throw new Exception("Client not connected");
}
RpcSync.WaitOne();
try
{
if (_connection.Connect(reconnect))
{
_session = new EncryptedMtProtoSession(_settings.AuthKey, _settings.NonceNewNonceXor);
}
RpcAnswer answer = RpcCall(request);
if (answer.Combinator != null)
{
_updatingState.Update(answer.Combinator);
}
return(answer);
}
finally
{
RpcSync.Set();
}
}
public void UpdateState()
{
RpcAnswer answer = PerformRpcCall(new Combinator("updates.getState"));
if (answer.Success)
{
_updatingState.Update(answer.Combinator);
}
}
/// <summary>
/// Генерация ключа авторизации
/// </summary>
/// <returns></returns>
private bool GenerateAuthKey(string address, int port)
{
using (var connection = new TcpConnection(address, port, _formatter))
{
connection.Connect(true);
var pns = new PlainMtProtoSession(connection);
_nonce = BigInteger.GenerateRandom(128);
var reqpq = new Combinator("req_pq", _nonce);
RpcAnswer result = pns.RpcCall(reqpq,
"resPQ nonce:int128 server_nonce:int128 pq:string server_public_key_fingerprints:Vector long = ResPQ");
if (!result.Success)
{
throw new Exception(result.Error.ToString());
}
Combinator reqDhParams = ProcessPqAnswer(result.Combinator);
result = pns.RpcCall(reqDhParams,
"server_DH_params_ok nonce:int128 server_nonce:int128 encrypted_answer:string = Server_DH_Params",
"server_DH_params_fail nonce:int128 server_nonce:int128 new_nonce_hash:int128 = Server_DH_Params");
if (result.Combinator.Name == "server_DH_params_ok")
{
Combinator serverDhInnerData = ProcessDhParams(result.Combinator);
Combinator setClientDhParams = SetClientDhParams(serverDhInnerData);
result = pns.RpcCall(setClientDhParams,
"dh_gen_ok nonce:int128 server_nonce:int128 new_nonce_hash1:int128 = Set_client_DH_params_answer",
"dh_gen_retry nonce:int128 server_nonce:int128 new_nonce_hash2:int128 = Set_client_DH_params_answer",
"dh_gen_fail nonce:int128 server_nonce:int128 new_nonce_hash3:int128 = Set_client_DH_params_answer");
Thread.Sleep(100);
switch (result.Combinator.Name)
{
case "dh_gen_ok":
InitialSalt = CalculateInitialSalt(_newNonce, _serverNonce);
// Проверим new_nonce_hash1
bool res = CheckNewNonceHash(result.Combinator.Get <BigInteger>("new_nonce_hash1"), 1);
return(res);
case "dh_gen_retry": // HACK: ретри не реализован
case "dh_gen_fail":
return(false);
default:
return(false);
}
}
return(false);
}
}
public bool InitConnection(int apiId, string device, string system, string app, string lang, int layer)
{
var combinator = new Combinator("initConnection", apiId, device, system, app, lang
, new Combinator("invokeWithLayer", layer, new Combinator("updates.getState")));
RpcAnswer answer = PerformRpcCall(combinator);
if (answer.Success)
{
_updatingState.Update(answer.Combinator);
_authorized = true;
return(true);
}
_authorized = false;
if (answer.Error.ErrorCode == 401)
{
return(false);
}
throw new Exception(answer.Error.ToString());
}
private void UpdateDifference()
{
// updates.getDifference#5b36855a pts:int date:int = updates.Difference;
RpcAnswer result = RpcCall(new Combinator("updates.getDifference", _updatingState.Pts, _updatingState.Date, _updatingState.Qts));
// updates.differenceEmpty#5d75a138 date:int seq:int = updates.Difference;
// updates.difference#8adb0077 new_messages:Vector<Message> other_updates:Vector<Update> chats:Vector<Chat> users:Vector<User> state:updates.State = updates.Difference;
// updates.differenceSlice#c5e839b4 new_messages:Vector<Message> other_updates:Vector<Update> chats:Vector<Chat> users:Vector<User> intermediate_state:updates.State = updates.Difference;
if (result.Success)
{
Combinator c = result.Combinator;
switch (c.Name)
{
case "updates.differenceEmpty":
_updatingState.Update(c);
return;
case "updates.difference":
_updatingState.Update(c.Get <Combinator>("state"));
break;
case "updates.differenceSlice":
_updatingState.Update(c.Get <Combinator>("intermediate_state"));
break;
default:
throw new ArgumentOutOfRangeException(c.Name);
}
Difference(c.Get <Combinator>("new_messages"));
Difference(c.Get <Combinator>("other_updates"));
Difference(c.Get <Combinator>("chats"));
Difference(c.Get <Combinator>("users"));
}
else
{
throw new Exception(result.Error.ToString());
}
}
