public void Init()
{
initSocket();
sListener.Listen(10);
while (true)
{
Socket handler = sListener.Accept();
string data = null;
try
{
data += SocketUtils.RecvData(handler);
Console.WriteLine("Начал приёмку от {0} данные {1}", handler.RemoteEndPoint.ToString(), data);
switch (data)
{
case Properties.BEGIN:
{
BeginCommunication(handler);
break;
}
default:
{
mainWindow.write(CriptoUtils.Decrypt(data, Properties.getSessionKey()));
break;
}
}
close(handler);
}
catch (Exception e)
{
mainWindow.write(e.Message);
}
}
}
private void BeginCommunication(Socket handler)
{
try
{
bool isComm = isCommunication();
if (!isComm)
{
handler.Send(Encoding.UTF8.GetBytes(Properties.NO_COMMUNICATION));
return;
}
string privateKey = Properties.getPrivateKey();
PublicKey publicKey = Properties.getPublicKey();
char[] sendKey = CriptoUtils.createSesionKey(publicKey, privateKey.ToCharArray());
handler.Send(Encoding.UTF8.GetBytes(sendKey));
string recvKey = SocketUtils.RecvData(handler);
Console.WriteLine(recvKey.Length + " " + privateKey.Length);
char[] sessionKey = CriptoUtils.createSesionKey(new PublicKey(recvKey, publicKey.mod), privateKey.ToCharArray());
Properties.setSessionKey(new string(sessionKey));
string encodedString = CriptoUtils.Encrypt(Properties.TEST_COMMUNICATON, Properties.getSessionKey());
handler.Send(Encoding.UTF8.GetBytes(encodedString));
mainWindow.write(SocketClient.SUCCESS);
mainWindow.setEnabledSend();
}
catch (Exception e)
{
mainWindow.write("Не удалось установить соединение по причине: " + e.Message);
}
}
public SocketServer(string domain, int port)
{
this.domain = domain;
this.serverPort = port;
char[] privateKey = CriptoUtils.Generic(32);
Properties.setPrivateKey(new string(privateKey));
}
public bool SendMessageFromSocket(string message, bool isCrypto)
{
Socket sender = null;
try
{
sender = init();
Console.WriteLine("Сокет соединяется с {0} ", sender.RemoteEndPoint.ToString());
byte[] msg = Encoding.UTF8.GetBytes(isCrypto? CriptoUtils.Encrypt(message, Properties.getSessionKey()): message);
int bytesSent = sender.Send(msg);
Console.WriteLine("Сокет послал с {0} ", sender.RemoteEndPoint.ToString());
return(true);
}
catch (Exception e)
{
System.Console.WriteLine(e.Message);
return(false);
}
finally
{
close(sender);
}
}
public string connect()
{
Socket sender = null;
try
{
sender = init();
sender.Send(Encoding.UTF8.GetBytes(Properties.BEGIN));
string recvKey = SocketUtils.RecvData(sender);
Console.WriteLine(recvKey);
if (Properties.NO_COMMUNICATION.Equals(recvKey))
{
return(REJECT);
}
string privateKey = Properties.getPrivateKey();
PublicKey publicKey = Properties.getPublicKey();
char[] sendKey = CriptoUtils.createSesionKey(publicKey, privateKey.ToCharArray());
sender.Send(Encoding.UTF8.GetBytes(sendKey));
Console.WriteLine(recvKey.Length + " " + privateKey.Length);
char[] sessionKey = CriptoUtils.createSesionKey(new PublicKey(recvKey, publicKey.mod), privateKey.ToCharArray());
Properties.setSessionKey(new string(sessionKey));
string testMsg = CriptoUtils.Decrypt(SocketUtils.RecvData(sender), Properties.getSessionKey());
return(Properties.TEST_COMMUNICATON.Equals(testMsg) ? SUCCESS : FAILED);
/*
* //so2.workSocket = sender;
* //Socket temp = sender;
* //sender.BeginReceive(so2.buffer, 0, StateObject.BUFFER_SIZE, 0, new AsyncCallback(Read_Callback), so2);
* //sender.BeginReceive(recvBuf, 0, recvBuf.Length, 0, recBack, null);
* //so2.workSocket.Close();
* Stopwatch stopWatch = new Stopwatch();
* TimeSpan ts = new TimeSpan();
* stopWatch.Start();
* int bytesRec = 0;
* //Thread.Sleep(3000);
* do
* {
* //Thread.Sleep(3000);
* ts = stopWatch.Elapsed;
* //Console.WriteLine(connec);
* } while ((ts.Seconds < (int)2) && connec!=true);
* //close();
* //sender = null;
* //init();
* stopWatch.Stop();
*
* return "fail";
*/
}
catch (Exception e)
{
return(e.Message);
}
finally
{
close(sender);
}
}
