private static void ServerListener_Recieved(object sender, Listener.RecieveEventArgs e)
{
string json = Encoding.UTF8.GetString(e.Data);
SocketActionBase action = JsonConvert.DeserializeObject <SocketActionBase>(json);
//ConsoleWriteLine($"Recieved {json} via sockets");
switch (action.Action)
{
case SocketActions.JOIN:
MemberDto member = JsonConvert.DeserializeObject <MemberDto>(JsonConvert.SerializeObject(action.Data));
ConsoleWriteLine($"{member.Name} joined chat");
if (!CURRENT_CHAT.Members.Contains(member))
{
CURRENT_CHAT.Members.Add(member);
}
if (!member.Equals(ME))
{
ConnectTo(member);
}
UpdateCommonKey();
break;
case SocketActions.KEY_UPDATE:
KeyExchangeDto keyExchange = JsonConvert.DeserializeObject <KeyExchangeDto>(JsonConvert.SerializeObject(action.Data));
if (keyExchange.TTL + 1 == CURRENT_CHAT.Members.Count)
{
CURRENT_CHAT_COMMON_KEY = DIFFIE.GetCommonPrivateKey(
keyExchange.KeyTemp,
USER_CHAT_KEYS[CURRENT_CHAT.Name].PrivateKey,
CURRENT_CHAT.P
);
ConsoleWriteLine($"Got common key: {CURRENT_CHAT_COMMON_KEY}");
}
else
{
UpdateCommonKey(keyExchange);
}
break;
case SocketActions.MESSAGE:
Message message = JsonConvert.DeserializeObject <Message>(JsonConvert.SerializeObject(action.Data));
string textCode = NOTEPAD.Decode(message.MessageText, CURRENT_CHAT_COMMON_KEY);
string text = NOTEPAD.GetCodeText(textCode);
ConsoleWriteLine($"{message.SenderName}: {text} ({message.TimeStamp.ToShortTimeString()})");
break;
}
}
public void Send(SocketActionBase action)
{
if (Sender == null || !Sender.Connected)
{
Sender = new Socket(Endpoint.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
Sender.Connect(Endpoint);
}
string json = JsonConvert.SerializeObject(action);
byte[] data = Encoding.UTF8.GetBytes(json);
byte[] message = BitConverter.GetBytes(data.Length).Concat(data).ToArray();
Sender.Send(message);
Sender.Shutdown(SocketShutdown.Both);
Sender.Close();
}
