public void AcceptCallAsync(TLInputPhoneCall peer, byte[] gb, Action <TLPhonePhoneCall> callback, Action <TLRPCError> faultCallback = null)
{
var obj = new TLPhoneAcceptCall {
Peer = peer, GB = gb, Protocol = GetPhoneCallProtocol()
};
const string caption = "phone.acceptCall";
SendInformativeMessage(caption, obj, callback, faultCallback);
}
private async void OnAnswerRequested(VoipPhoneCall sender, CallAnswerEventArgs args)
{
if (_phoneCall != null)
{
await UpdateStateAsync(TLPhoneCallState.ExchangingKeys);
var reqConfig = new TLMessagesGetDHConfig {
Version = 0, RandomLength = 256
};
var config = await SendRequestAsync <TLMessagesDHConfig>("messages.getDhConfig", reqConfig);
if (config.IsSucceeded)
{
var dh = config.Result;
if (!TLUtils.CheckPrime(dh.P, dh.G))
{
return;
}
var salt = new byte[256];
var secureRandom = new SecureRandom();
secureRandom.NextBytes(salt);
secretP = dh.P;
a_or_b = salt;
var g_b = MTProtoService.GetGB(salt, dh.G, dh.P);
var request = new TLPhoneAcceptCall
{
GB = g_b,
Peer = _phoneCall.ToInputPhoneCall(),
Protocol = new TLPhoneCallProtocol
{
IsUdpP2p = true,
IsUdpReflector = true,
MinLayer = Telegram.Api.Constants.CallsMinLayer,
MaxLayer = Telegram.Api.Constants.CallsMaxLayer,
}
};
var response = await SendRequestAsync <TLPhonePhoneCall>("phone.acceptCall", request);
if (response.IsSucceeded)
{
_systemCall.NotifyCallActive();
Handle(new TLUpdatePhoneCall {
PhoneCall = response.Result.PhoneCall
});
}
}
}
}
public async void Handle(TLUpdatePhoneCall update)
{
await VoIPConnection.Current.SendUpdateAsync(update);
await Task.Delay(2000);
//if (update.PhoneCall is TLPhoneCallDiscarded discarded)
//{
// if (discarded.IsNeedRating)
// {
// Debugger.Break();
// }
// if (discarded.IsNeedDebug)
// {
// Debugger.Break();
// }
//}
return;
if (update.PhoneCall is TLPhoneCallRequested callRequested)
{
var reqReceived = new TLPhoneReceivedCall();
reqReceived.Peer = new TLInputPhoneCall();
reqReceived.Peer.Id = callRequested.Id;
reqReceived.Peer.AccessHash = callRequested.AccessHash;
ProtoService.SendRequestAsync <bool>("phone.receivedCall", reqReceived, null, null);
var user = CacheService.GetUser(callRequested.AdminId) as TLUser;
Execute.BeginOnUIThread(async() =>
{
var dialog = await TLMessageDialog.ShowAsync(user.DisplayName, "CAAAALLL", "OK", "Cancel");
if (dialog == Windows.UI.Xaml.Controls.ContentDialogResult.Primary)
{
var config = await ProtoService.GetDHConfigAsync(0, 256);
if (config.IsSucceeded)
{
var dh = config.Result;
if (!TLUtils.CheckPrime(dh.P, dh.G))
{
return;
}
secretP = dh.P;
var salt = new byte[256];
var secureRandom = new SecureRandom();
secureRandom.NextBytes(salt);
a_or_b = salt;
var g_b = MTProtoService.GetGB(salt, dh.G, dh.P);
var request = new TLPhoneAcceptCall
{
GB = g_b,
Peer = new TLInputPhoneCall
{
Id = callRequested.Id,
AccessHash = callRequested.AccessHash
},
Protocol = new TLPhoneCallProtocol
{
IsUdpP2p = true,
IsUdpReflector = true,
MinLayer = 65,
MaxLayer = 65,
}
};
var response = await ProtoService.SendRequestAsync <TLPhonePhoneCall>("phone.acceptCall", request);
if (response.IsSucceeded)
{
}
}
}
else
{
var req = new TLPhoneDiscardCall();
req.Peer = new TLInputPhoneCall();
req.Peer.Id = callRequested.Id;
req.Peer.AccessHash = callRequested.AccessHash;
req.Reason = new TLPhoneCallDiscardReasonHangup();
ProtoService.SendRequestAsync <TLPhonePhoneCall>("phone.acceptCall", req, null, null);
}
});
}
else if (update.PhoneCall is TLPhoneCall call)
{
var auth_key = computeAuthKey(call);
var g_a = call.GAOrB;
var buffer = TLUtils.Combine(auth_key, g_a);
var sha256 = Utils.ComputeSHA256(buffer);
var emoji = EncryptionKeyEmojifier.EmojifyForCall(sha256);
var user = CacheService.GetUser(call.AdminId) as TLUser;
Execute.BeginOnUIThread(async() =>
{
var dialog = await TLMessageDialog.ShowAsync(user.DisplayName, string.Join(" ", emoji), "OK");
});
}
}
