private void send(string action, ApplicationIcon toSend)
{
toSend.id = AudioSession.getCode(toSend.id);
string data = action + JSONManager.serialize(toSend);
send(data);
}
public static void sendServerInfo(IPEndPoint clientEP)
{
TcpClient server;
try
{
server = new TcpClient();
server.Connect(clientEP);
}
catch (SocketException e)
{
Console.WriteLine("Unable to connect to server: " + e.Message);
return;
}
NetworkStream ns = server.GetStream();
string serverInfo = JSONManager.serialize(Main.info);
byte[] serverInfoBytes = Encoding.ASCII.GetBytes(serverInfo);
ns.Write(serverInfoBytes, 0, serverInfoBytes.Length);
Console.WriteLine("Sent Server Info to: " + clientEP.ToString());
ns.Close();
server.Close();
}
private void send(string action, AudioSession toSend)
{
toSend = toSend.toCodeId();
toSend.volume = (float)Math.Round(toSend.volume, 2);
string data = action + JSONManager.serialize(toSend);
send(data);
}
private void send(string action, AudioSession[] toSend)
{
AudioSession[] finalSend = new AudioSession[toSend.Length];
for (int i = 0; i < toSend.Length; i++)
{
toSend[i].volume = (float)Math.Round(toSend[i].volume, 2);
finalSend[i] = toSend[i].toCodeId();
}
string data = action + JSONManager.serialize(finalSend);
send(data);
}
public static string getEncryptedMessage(string msg, RSAKeyValue key)
{
string[] segments = getSegments(msg);
string[] encryptedSegments = new string[segments.Length];
for (int i = 0; i < segments.Length; i++)
{
encryptedSegments[i] = Convert.ToBase64String(RSAEncrypt(Encoding.UTF8.GetBytes(segments[i]), key));
}
string JSON = JSONManager.serialize(encryptedSegments);
return(JSON);
}
public static string getPublicKey()
{
CspParameters param = new CspParameters();
param.KeyContainerName = "VC_RSA_KEY";
//Create a new instance of RSACryptoServiceProvider.
using (RSACryptoServiceProvider RSA = new RSACryptoServiceProvider(2048, param))
{
string xmlKey = RSA.ToXmlString(false);
RSAKeyValue key = XMLManager.deserialize <RSAKeyValue>(xmlKey);
Console.WriteLine("MOD:" + Convert.FromBase64String(key.Modulus).Length *8);
string jsonKey = JSONManager.serialize(key);
return(jsonKey);
}
}
private void handleData(string recv)
{
Console.WriteLine("\nReceived " + recv);
if (recv.StartsWith("DEVINFO"))
{
recv = recv.Substring("DEVINFO".Length);
ClientInformation dev = new ClientInformation();
dev = JSONManager.deserialize <ClientInformation>(recv);
dev.LastConnected = DateTime.Now;
dev.IP = clientEP.Address.ToString();
dev.Connected = true;
device = dev;
}
else
{
if (recv.StartsWith("AUTH"))
{
string encryptedPassword = recv.Remove(0, 4);
string decryptedPasswordHash = decryptMessage(encryptedPassword);
if (AuthentificationManager.Instance.checkPasswordHash(decryptedPasswordHash))
{
device.verifiedUntil = DateTime.Now + AuthentificationManager.timeToReAuth;
Console.WriteLine("Client authenticated for another period");
if (string.IsNullOrEmpty(unprocessedReceiveUntilAuthentication))
{
return; //No data to handle
}
else
{
recv = unprocessedReceiveUntilAuthentication;
}
unprocessedReceiveUntilAuthentication = "";
}
else
{
Console.WriteLine("Wrong password\ngot:" + decryptedPasswordHash + "\nexp:" + AuthentificationManager.Instance.getPasswordHash());
send("AUTHWPW");//Code for Wrong Password
disconnect();
}
}
else if (AuthentificationManager.Instance.usesPassword && device.verifiedUntil < DateTime.Now)
{
Console.WriteLine("Client Authentification Expired, requesting new authentication");
unprocessedReceiveUntilAuthentication = recv;
send("AUTH");
return;
}
if (device != null && ClientMangager.knownDevices.ContainsKey(device.id))
{
ClientMangager.knownDevices[device.id] = device;
}
else
{
if (device != null)
{
ClientMangager.knownDevices.Add(device.id, device);
}
}
ClientMangager.saveDevices();
MainWindow.Instance.NotifyDeviceDatasetChanged();
if (recv.Equals("GETAUDIOSESSIONS"))
{
int sessionsSent = sendAllAudioSessions();
Console.WriteLine("\tSent " + sessionsSent + "Sessions");
}
else if (recv.StartsWith("EDIT"))
{
recv = recv.Substring(4);
AudioSession session = JSONManager.deserialize <AudioSession>(recv).toSessionId();
Main.Instance.audioManager.updateChangedSession(session);
}
else if (recv.StartsWith("TRACK"))
{
recv = recv.Substring(5);
sendVolumeBlacklist.Add(AudioSession.getSessionId(recv));
}
else if (recv.StartsWith("ENDTRACK"))
{
recv = recv.Substring(8);
sendVolumeBlacklist.Remove(AudioSession.getSessionId(recv));
AudioSession session = Main.Instance.audioManager.getAudioSessionWithID(AudioSession.getSessionId(recv));
}
else
{
Console.WriteLine("\nReceived unknown command: " + recv);
}
}
}
