Exemple #1
0
        private void HandleData(Data myData)
        {
            if (myData.type == DataType.Announce)
            {
                DataAnnounce d = (DataAnnounce)myData;


                IPAddress ip   = d.ip;
                int       port = d.port;

                Program.myForm.Connect(ip, port);
            }
            else if (myData.type == DataType.Handshake)
            {
                DataHandshake d = (DataHandshake)myData;

                id          = d.id;
                pseudo      = d.pseudo;
                isEncrypted = d.encrypted;

                if (d.encrypted && Program.encrypted)
                {
                    InitKey();
                }

                Program.tabChannel[Program.currentChannel].tabPeer.Add(this);
                Program.myForm.WriteNotice("Nouveau peer : " + pseudo + ((d.encrypted && Program.encrypted) ? "" : "(liaison non chiffrée)"), Chat.MessageType.Main);

                Program.myForm.RefreshPeersList();
            }
            else if (myData.type == DataType.Key)
            {
                if (Program.encrypted)
                {
                    DataKey d = (DataKey)myData;

                    if (d.init)
                    {
                        rsa.publickey = d.rsaPublicKey;
                        aes.RegenerateKey();
                        aes.receiveKey = aes.Key;
                        aes.receiveIV  = aes.IV;

                        SendData(new DataKey {
                            aesKey = rsa.Encrypt(aes.receiveKey), IV = rsa.Encrypt(aes.receiveIV), init = false
                        });
                    }
                    else
                    {
                        aes.sendKey = rsa.DecryptToBytes(d.aesKey);
                        aes.sendIV  = rsa.DecryptToBytes(d.IV);
                    }
                }
            }
            else if (myData.type == DataType.Message)
            {
                if (!isIgnored)
                {
                    DataMessage d   = (DataMessage)myData;
                    String      msg = d.msg;
                    if (isEncrypted != d.encrypted)
                    {
                        isEncrypted = d.encrypted;
                        Program.myForm.RefreshPeersList();
                    }

                    Program.Log("received : " + msg);

                    if (d.encrypted)
                    {
                        msg = aes.DecryptToString(msg, aes.receiveKey, aes.receiveIV);
                    }
                    //msg = rsa.DecryptToString(msg);

                    //en cas de mp, remplacement de l'id local par celui du peer
                    if (d.channel == Program.id)
                    {
                        d.channel = id;
                    }

                    Program.myForm.WriteText(pseudo, msg, d.channel, Chat.MessageType.Channel | ((msg.Contains(Program.pseudo) ? Chat.MessageType.Mention : Chat.MessageType.Message)));
                }
            }
            else if (myData.type == DataType.Voice)
            {
                if (!isIgnored)
                {
                    DataVoice d = (DataVoice)myData;

                    if (Program.myForm.IsPeerInCurrentChannel(id))
                    {
                        Byte[] buffer = d.buffer;
                        if (isEncrypted)
                        {
                            buffer = aes.DecryptToBytes(buffer, aes.receiveKey, aes.receiveIV);
                        }
                        Program.myForm.snd.Play(buffer);
                    }
                    else
                    {
                        int idxChan = Program.myForm.GetChanIndexById(d.channel);
                        if (idxChan != -1)
                        {
                            Program.tabChannel[idxChan].PlayingSound();
                        }
                    }
                }
            }
            else if (myData.type == DataType.Disconnect)
            {
                Program.myForm.WriteNotice(pseudo + " vient de se déconnecter", Chat.MessageType.Channel | Chat.MessageType.Main);

                Kill();
            }
            else if (myData.type == DataType.ChangeNick)
            {
                DataChangeNick d         = (DataChangeNick)myData;
                String         newpseudo = d.newPseudo;

                int idxChan = Program.myForm.GetChanIndexById(id);

                if (idxChan > -1)
                {
                    Program.myForm.TabChatTitle(idxChan, newpseudo);
                }


                foreach (Channel c in Program.tabChannel)
                {
                    if (c.tabPeer.IndexOf(this) > -1)
                    {
                        Program.myForm.WriteNotice(pseudo + " s'appelle maintenant " + newpseudo, c.name, Chat.MessageType.Main | Chat.MessageType.Channel);
                    }
                }

                pseudo = newpseudo;
                Program.myForm.RefreshPeersList();
            }
            else if (myData.type == DataType.Channel)
            {
                DataChannel d = (DataChannel)myData;

                int idxChan = Program.myForm.GetChanIndexById(d.channel);

                if (idxChan != -1)
                {
                    if (Program.tabChannel[idxChan].isPrivate && !Program.tabChannel[idxChan].tabPeer.Contains(this))
                    {
                        return;
                    }

                    if (d.option.HasFlag(ChannelOption.Info))
                    {
                        if (d.idPeers != null)
                        {
                            for (int i = 0, n = d.idPeers.Length; i < n; i++)
                            {
                                int idxPeer = Program.myForm.GetPeerIndexById(d.idPeers[i]);
                                if (idxPeer > -1)
                                {
                                    if (!Program.tabChannel[idxChan].tabPeer.Contains(Program.tabPeer[idxPeer]))
                                    {
                                        Program.tabChannel[idxChan].tabPeer.Add(Program.tabPeer[idxPeer]);
                                    }
                                }
                            }
                        }
                        if (!Program.tabChannel[idxChan].tabPeer.Contains(this))
                        {
                            Program.tabChannel[idxChan].tabPeer.Add(this);
                        }
                    }
                    else if (d.option.HasFlag(ChannelOption.Join))
                    {
                        IEnumerable <String> idPeers = from p in Program.tabPeer select p.id;

                        Program.myForm.WriteNotice(pseudo + " a rejoint le channel", d.channel, Chat.MessageType.Channel);
                        SendData(new DataChannel {
                            channel = d.channel, idPeers = idPeers.ToArray(), option = ChannelOption.Info
                        });
                        Program.tabChannel[idxChan].tabPeer.Add(this);
                    }
                    else if (d.option.HasFlag(ChannelOption.Leave))
                    {
                        Program.myForm.WriteNotice(pseudo + " a quitté le channel", d.channel, Chat.MessageType.Channel);
                        Program.tabChannel[idxChan].tabPeer.Remove(this);
                    }
                }
            }
            else if (myData.type == DataType.Ping)
            {
                DataPing d = (DataPing)myData;

                if (!d.pong)
                {
                    SendData(new DataPing {
                        pong = true
                    });
                }
                else
                {
                    nbPingTries    = 0;
                    waitingForPong = false;
                    if (!isActive)
                    {
                        Program.myForm.WriteNotice(pseudo + " back to life", Chat.MessageType.Channel | Chat.MessageType.Main);
                    }
                    isActive = true;
                }
            }
            else if (myData.type == DataType.File)
            {
                DataFile d = (DataFile)myData;
                sFile    f = d.fileinfo;

                int idxFile = tabFile.IndexOf(f);


                if (f.etat.HasFlag(FileStatus.Waiting))
                {
                    f.send = false;
                    tabFile.Add(f);
                    Program.myForm.RefreshFilesList();
                    Program.myForm.WriteNotice(pseudo + " veut vous envoyer " + f.name + " (" + f.StringSize() + ")", f.channel, Chat.MessageType.Channel);
                }
                else if (f.etat.HasFlag(FileStatus.InProgress) || f.etat.HasFlag(FileStatus.Finished))
                {
                    tabFile[idxFile].etat = f.etat;
                    Program.myForm.RefreshFilesList();

                    Byte[] data = d.data;
                    if (isEncrypted)
                    {
                        data = aes.DecryptToBytes(data, aes.receiveKey, aes.receiveIV);
                    }

                    ReceiveFile(f, data);


                    if (f.etat.HasFlag(FileStatus.Finished))
                    {
                        if (f.hash == sFile.Hash(Program.incomingFolder + f.name))
                        {
                            Program.myForm.WriteNotice(f.name + " reçu", f.channel, Chat.MessageType.Channel);
                            f.transferSucceded = true;
                        }
                        else
                        {
                            Program.myForm.WriteNotice(f.name + " reçu avec des erreurs", f.channel, Chat.MessageType.Channel);
                            f.transferSucceded = false;
                        }

                        f.etat = FileStatus.Received;
                        Program.myForm.RefreshFilesList();
                        SendData(new DataFile {
                            fileinfo = f
                        });
                    }
                }
                else if (f.etat.HasFlag(FileStatus.Accepted))
                {
                    tabFile[idxFile].etat = FileStatus.InProgress;
                    Program.myForm.RefreshFilesList();
                    SendFile(f);
                }
                else if (f.etat.HasFlag(FileStatus.Rejected))
                {
                    tabFile[idxFile].etat = FileStatus.Rejected;
                    Program.myForm.RefreshFilesList();
                    Program.myForm.WriteNotice(pseudo + " a rejeté le fichier " + f.name, f.channel, Chat.MessageType.Channel);
                }
                else if (f.etat.HasFlag(FileStatus.Received))
                {
                    tabFile[idxFile].etat = f.etat;
                    Program.myForm.RefreshFilesList();
                    Program.myForm.WriteNotice(f.name + " envoyé à " + pseudo + " (" + ((f.transferSucceded) ? "avec succès" : "avec erreurs") + ")", f.channel, Chat.MessageType.Channel);
                }
            }
        }
Exemple #2
0
        public void SendData(Data data)
        {
            if (!isAlive)
            {
                return;
            }
            else if (!isActive && data.type != DataType.Ping)
            {
                return;
            }


            Data data2 = data.Clone();

            if (Program.encrypted)
            {
                if (data2.type == DataType.Message)
                {
                    DataMessage d = (DataMessage)data2;
                    d.msg = aes.EncryptToString(d.msg, aes.sendKey, aes.sendIV);//msg = rsa.Encrypt(msg);
                    data2 = d;
                }
                else if (data2.type == DataType.Voice)
                {
                    DataVoice d = (DataVoice)data2;
                    d.buffer = aes.EncryptToBytes(d.buffer, aes.sendKey, aes.sendIV);
                    data2    = d;
                }
                else if (data2.type == DataType.File)
                {
                    DataFile d = (DataFile)data2;
                    d.data = aes.EncryptToBytes(d.data, aes.sendKey, aes.sendIV);
                    data2  = d;
                }
            }


            try
            {
                bf.Serialize(ns, data2);
            }
            catch (Exception e)
            {
                Program.Log("SendData() - " + e.Message + Environment.NewLine + data2.type.ToString() + " - " + data2.ToString());

                if (Program.safeMode)
                {
                    Program.myForm.WriteNotice("Peer disconnected : " + pseudo, Chat.MessageType.Channel | Chat.MessageType.Main);
                    Kill();
                }
                else
                {
                    if (isActive)
                    {
                        Program.myForm.WriteNotice(pseudo + " inactif", Chat_Monkeyz.Chat.MessageType.Main | Chat_Monkeyz.Chat.MessageType.Channel);
                        isActive = false;
                    }
                    TryReanimate();
                }
            }
        }