private bool PacketReader(Packet packet)
{
if (packet.Opcode >= Opcode.MAX_OPCODE)
{
Console.WriteLine($"PacketReader: Unknown opcode {packet.Opcode} from client {Socket.RemoteEndPoint}");
return(true);
}
switch (packet.Opcode)
{
case Opcode.CMSG_AUTH:
{
HandleAuth(packet);
break;
}
case Opcode.CMSG_REGISTRATION:
{
HandleRegistration(packet);
break;
}
case Opcode.CMSG_LOGOUT:
{
_session.IsLogout = true;
_session = null;
break;
}
case Opcode.CMSG_DISCONNECTED:
{
IsClosed = true;
break;
}
default:
{
if (_session == null)
{
Console.WriteLine($"PacketReader: Session is null for packet {packet.Opcode} from client {Socket.RemoteEndPoint}");
return(false);
}
if (_session.IsLogout)
{
return(false);
}
_session.QueuePacket(packet);
break;
}
}
return(true);
}
public TCPSocket(Socket socket)
{
if (socket == null)
{
throw new ArgumentNullException("socket");
}
Socket = socket;
Buffer = new byte[256];
IsClosed = false;
_session = null;
}
private void HandleRegistration(Packet packet)
{
string username = packet.ReadUTF8String();
string password = packet.ReadUTF8String();
RegistrationResponse responseCode = RegistrationResponse.REG_RESPONSE_SUCCESS;
int accountId = 0;
var mysql = MySQL.Instance();
using (var reader = mysql.Execute($"SELECT `Id` FROM `users` WHERE `username` = '{username}'"))
{
if (reader == null)
{
responseCode = RegistrationResponse.REG_RESPONSE_UNKNOWN_ERROR;
}
else if (reader.Read())
{
responseCode = RegistrationResponse.REG_RESPONSE_HERE_USER;
}
}
if (responseCode == RegistrationResponse.REG_RESPONSE_SUCCESS)
{
accountId = (int)mysql.PExecute($"INSERT INTO `users` ( `type`, `username`, `password`) VALUES ('{(int)UserType.USER_TYPE_CLIENT}', '{username}', '{MD5Hash.Get(username + ":" + password)}')");
if (accountId != -1)
{
UserMgr.Instance.AddNewUser(username, (uint)accountId, UserType.USER_TYPE_CLIENT);
_session = new Server.Session(username, (uint)accountId, this);
Server.Server.Instance.AddSessionQueue(_session);
}
else
{
responseCode = RegistrationResponse.REG_RESPONSE_UNKNOWN_ERROR;
}
}
var response = new Packet(Opcode.SMSG_REGISTRATION_RESPONSE);
response.WriteUInt8((byte)responseCode);
response.WriteUInt32((uint)accountId);
response.WriteUTF8String(username);
response.WriteUInt8((byte)UserType.USER_TYPE_CLIENT);
SendPacket(response);
}
private void HandleAuth(Packet packet)
{
var username = packet.ReadUTF8String();
var password = packet.ReadUTF8String();
AuthResponse responseCode = AuthResponse.AUTH_RESPONSE_SUCCESS;
var mysql = MySQL.Instance();
var uName = string.Empty;
uint accountId = 0;
UserType type = UserType.USER_TYPE_UNKNOWN;
using (var reader = mysql.Execute($"SELECT `Id`, `type`, `username` FROM `users` WHERE `username` = '{username}' AND `password` = '{MD5Hash.Get(username + ":" + password)}'"))
{
if (reader == null || _session != null)
{
responseCode = AuthResponse.AUTH_RESPONSE_UNKNOWN_ERROR;
}
else if (!reader.Read())
{
responseCode = AuthResponse.AUTH_RESPONSE_UNKNOWN_USER;
}
if (responseCode == AuthResponse.AUTH_RESPONSE_SUCCESS)
{
accountId = reader.GetUInt32(0);
type = (UserType)reader.GetByte(1);
uName = reader.GetString(2);
}
}
if (!string.IsNullOrEmpty(uName) && accountId != 0)
{
_session = new Server.Session(uName, accountId, this);
Server.Server.Instance.AddSessionQueue(_session);
}
var response = new Packet(Opcode.SMSG_AUTH_RESPONSE);
response.WriteUInt8((byte)responseCode);
response.WriteUInt32(accountId);
response.WriteUTF8String(uName);
response.WriteUInt8((byte)type);
SendPacket(response);
}
