protected override void OnMessageReceived(MessageEventArgs args)
{
using (args.Message)
{
try
{
if (dh.Status == DiffieHellmanImpl.DhStatus.None)
{
logger.Debug($"Got secure handshake request");
var responseMessage = Parent.CreateMessage();
dh.RecvHandshakeRequest(args.Message.BaseStream, responseMessage.BaseStream);
_ = SendMessageAsync(responseMessage);
logger.Debug($"Sent secure handshake response, common key set!");
base.InitSession();
return;
}
if (dh.Status == DiffieHellmanImpl.DhStatus.WaitingForServerMod)
{
dh.RecvHandshakeResponse(args.Message.BaseStream);
logger.Debug($"Got secure handshake response, common key set!");
base.InitSession();
return;
}
}
catch (Exception e)
{
logger.Error($"Handshake failed for {this}. Closing... {e}");
Close();
return;
}
try
{
using (var decryptedMessage = args.Message.Decrypt(cipher))
{
logger.Trace($"Decrypting {args.Message} to {decryptedMessage}");
base.OnMessageReceived(new MessageEventArgs(this, decryptedMessage));
}
}
catch (Exception e)
{
logger.Error(
$"Unhandled exception in {nameof(RpcTcpConnectionEncrypted)}.{nameof(OnMessageReceived)}: {e}");
Close();
}
}
}
protected override void OnMessageReceived(Networking.Udp.Messages.MessageInfo messageInfo)
{
try
{
if (dh.Status == DiffieHellmanImpl.DhStatus.None)
{
logger.Debug($"Got secure handshake request");
var responseMessage = Parent.CreateMessage();
dh.RecvHandshakeRequest(messageInfo.Message.BaseStream, responseMessage.BaseStream);
_ = SendMessage(new Networking.Udp.Messages.MessageInfo(responseMessage, DeliveryType.ReliableOrdered, 0));
logger.Debug($"Sent secure handshake response, common key set!");
base.InitSession();
return;
}
if (dh.Status == DiffieHellmanImpl.DhStatus.WaitingForServerMod)
{
dh.RecvHandshakeResponse(messageInfo.Message.BaseStream);
logger.Debug($"Got secure handshake response, common key set!");
base.InitSession();
return;
}
}
catch (Exception e)
{
logger.Error($"Handshake failed for {this}. Closing... {e}");
Close();
return;
}
try
{
using (messageInfo.Message)
{
using (var decryptedMessage = messageInfo.Message.Decrypt(cipher))
{
base.OnMessageReceived(new Networking.Udp.Messages.MessageInfo(decryptedMessage, messageInfo.DeliveryType, messageInfo.Channel));
}
}
}
catch (Exception e)
{
logger.Error($"Unhandled exception in {nameof(RpcTcpConnectionEncrypted)}.{nameof(OnMessageReceived)}: {e}");
Close();
}
}
