public bool Connect()
{
if (_client?.Connected == true)
{
return(true);
}
try
{
_client = new TcpClient();
_client.Connect(_address, _port);
_drs = new DataReceiveService(_client, this);
Task.Factory.StartNew(() =>
{
_drs.Disconnected += client =>
{
Disconnected?.Invoke();
};
_drs.NewData += (data) =>
{
NewData?.Invoke(data);
try
{
object packet = null;
int packetId = BitConverter.ToInt32(data.Take(4).ToArray(), 0);
NewPacket?.Invoke(ref packetId, (t) =>
{
using (MemoryStream ms = new MemoryStream(data.Skip(4).ToArray()))
using (BsonReader reader = new BsonReader(ms))
{
JsonSerializer serializer = new JsonSerializer();
packet = serializer.Deserialize(reader, t);
}
return((Packet)packet);
}, this);
}
catch (Exception e)
{
Console.WriteLine(e.Message + " " + e.StackTrace);
}
};
_drs.Run();
});
var waitPacket = SendPacketAndGetResponse <ConnectionRequest, ConnectionConfig>(new ConnectionRequest());
if (waitPacket?.CryptoEnabled == true)
{
RsaClientSide rsaClientSide = new RsaClientSide();
var publicKey = rsaClientSide.PublicKeyString;
var rsaHandshakeResponse =
SendPacketAndGetResponse <RsaHandshakeRequest, RsaHandshakeResponse>(
new RsaHandshakeRequest()
{
PublicKey = publicKey
});
if (rsaHandshakeResponse == null)
{
throw new Exception();
}
var decryptedData = rsaClientSide.Step2(rsaHandshakeResponse.EncryptedData);
Console.WriteLine($"Receive decrypted AES-256 Key: {Convert.ToBase64String(decryptedData)}");
Aes256Key = decryptedData;
var pinger = new PingService(this);
pinger.StartAsync();
}
else
{
var pinger = new PingService(this);
pinger.StartAsync();
}
}
catch (Exception e)
{
return(false);
}
return(true);
}