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);
}
}
}
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();
}
}
}