public override void ProcessMessage(Connection connection, NetworkMessage inboundMessage)
{
var packetType = (LoginOrManagementIncomingPacketType)inboundMessage.GetByte();
// TODO: move this validation?
if (packetType != LoginOrManagementIncomingPacketType.AuthenticationRequest && !connection.IsAuthenticated)
{
connection.Close();
return;
}
var handler = HandlerFactory.CreateIncommingForType((byte)packetType);
handler?.HandleMessageContents(inboundMessage, connection);
if (handler?.ResponsePackets != null)
{
// Send any responses prepared for
var message = new NetworkMessage();
foreach (var outPacket in handler.ResponsePackets)
{
message.AddPacket(outPacket);
}
connection.Send(message);
}
}
public override void ProcessMessage(Connection connection, NetworkMessage inboundMessage)
{
if (connection == null)
{
throw new ArgumentNullException(nameof(connection));
}
if (inboundMessage == null)
{
throw new ArgumentNullException(nameof(inboundMessage));
}
byte packetType;
if (!connection.IsAuthenticated || connection.XTeaKey.Sum(b => b) == 0)
{
// this is a new connection...
packetType = inboundMessage.GetByte();
if (packetType != (byte)GameIncomingPacketType.PlayerLoginRequest)
{
// but this is not the packet we were expecting for a new connection.
connection.Close();
return;
}
//if (ServiceConfiguration.GetConfiguration().ReceivedClientVersionInt > 770) {
var os = inboundMessage.GetUInt16();
ServiceConfiguration.GetConfiguration().ReceivedClientVersionInt = inboundMessage.GetUInt16();
//}
var gameConfig = ServiceConfiguration.GetConfiguration();
// Make a copy of the message in case we fail to decrypt using the first set of keys.
var messageCopy = NetworkMessage.Copy(inboundMessage);
inboundMessage.RsaDecrypt(useRsa2: true);
if (inboundMessage.GetByte() != 0)
{
// means the RSA decrypt was unsuccessful, lets try with the other set of RSA keys...
inboundMessage = messageCopy;
inboundMessage.RsaDecrypt(useCipKeys: gameConfig.UsingCipsoftRsaKeys);
if (inboundMessage.GetByte() != 0)
{
// means the RSA decrypt was unsuccessful, lets try with the other set of RSA keys...
inboundMessage = messageCopy;
inboundMessage.RsaDecrypt(useCipKeys: !gameConfig.UsingCipsoftRsaKeys);
if (inboundMessage.GetByte() != 0)
{
// These RSA keys are also usuccessful... so give up.
connection.Close();
return;
}
}
}
}
else
{
// Decrypt message using XTea
inboundMessage.XteaDecrypt(connection.XTeaKey);
inboundMessage.GetUInt16();
packetType = inboundMessage.GetByte();
}
var handler = HandlerFactory.CreateIncommingForType(packetType);
handler?.HandleMessageContents(inboundMessage, connection);
if (handler?.ResponsePackets != null && handler.ResponsePackets.Any())
{
// Send any responses prepared for
var message = new NetworkMessage(4);
foreach (var outPacket in handler.ResponsePackets)
{
message.AddPacket(outPacket);
}
connection.Send(message);
}
}
