private static MonitoringChannel OpenMonitoringChannel()
{
NetTcpBinding binding = new NetTcpBinding();
string address = "net.tcp://localhost:7000/WCFMonitoringServer";
MonitoringChannel proxy = new MonitoringChannel(binding, new EndpointAddress(address));
return(proxy);
}
static int Main(string[] args)
{
string users = String.Empty;
string clientId;
int otherClient;
string encryptedSecretKey = String.Empty;
string decryptedSecretKey;
RSA_Asimm_Algorithm_C rsa = new RSA_Asimm_Algorithm_C();
string publicKey = rsa.GenerateKeys();
WCFClient proxy = BindToCentralServer();
Thread.CurrentPrincipal = new WindowsPrincipal(WindowsIdentity.GetCurrent());
IIdentity identity = Thread.CurrentPrincipal.Identity;
WindowsIdentity winIdentity = identity as WindowsIdentity;
string senderName = Formatter.ParseName(identity.Name);
int peerServicePort = 6000;
try
{
clientId = proxy.Connect(identity.Name, winIdentity.User.ToString());
}
catch (Exception e)
{
Console.WriteLine("Connection failed. \nDetails: " + e.Message);
Console.WriteLine("Press any key to close connection. ");
Console.ReadKey();
proxy.Abort();
return(0);
}
peerServicePort += Int32.Parse(clientId);
Console.WriteLine("Current: peer_" + clientId);
ServiceHost host = OpenPeerService(peerServicePort);
MonitoringChannel proxyMonitoring = OpenMonitoringChannel(); //open channel for logging all messages
try
{
encryptedSecretKey = proxy.GenerateSecretKey(publicKey); //klijent dobija kriptovan tajni kljuc
}
catch (Exception e)
{
Console.WriteLine("Encryption of secret key failed. \nDetails: " + e.Message);
Console.WriteLine("Press any key to close connection. ");
Console.ReadKey();
proxy.Abort();
return(0);
}
decryptedSecretKey = rsa.DecryptData(encryptedSecretKey);
string publicKeyFromMonitoring = String.Empty;
try
{
publicKeyFromMonitoring = proxyMonitoring.GenerateRSAKeys();
}
catch (Exception e)
{
Console.WriteLine("Getting public RSA key from monitoring failed. \nDetails: " + e.Message);
}
string encryptedSecretKeyWithMonitoringKey = rsa.EncryptData(publicKeyFromMonitoring, decryptedSecretKey);
try
{
proxyMonitoring.SendSecretKey(encryptedSecretKeyWithMonitoringKey);
}
catch (FaultException e)
{
Console.WriteLine("Sending secret key to monitoring failed. \nDetails: " + e.Message);
}
while (true)
{
int m = Menu();
if (m == 1)
{
try
{
users = proxy.GetConnectedClients();
}
catch (FaultException e)
{
Console.WriteLine("Getting list of connected clients from central server failed. \nDetails: " + e.Message);
}
DeserializeJson(users);
PrintConnectedClients();
otherClient = ChooseClient();//otherUser i otherClient se ne podudaraju ali otherUser = dict vrednost sa keyom otherClient
if (otherClient == 0)
{
continue;
}
User otherUser = DBClients.connectedClients[otherClient];
if (otherUser.Counter == Int32.Parse(clientId))
{
Console.WriteLine("This is your account. Please choose again.");
continue;
}
Peer proxyPeerClient = OpenPeerClient(otherUser.Counter);
while (true)
{
Console.WriteLine("Enter message to send [type 'x' for disconection]:");
string messageToSend = Console.ReadLine();
if (messageToSend.Equals("x") || messageToSend.Equals("X"))
{
break;
}
try
{
proxyPeerClient.SendMessage(messageToSend);
}catch (Exception e)
{
Console.WriteLine("Sending message to client failed. \nDetails: " + e.Message);
break;
}
byte[] encryptedMessage = AES_ENCRYPTION.EncryptFile(messageToSend, decryptedSecretKey);
byte[] encryptedSenderName = AES_ENCRYPTION.EncryptFile(senderName, decryptedSecretKey);
byte[] encryptedRecieverName = AES_ENCRYPTION.EncryptFile(otherUser.Name, decryptedSecretKey);
try
{
proxyMonitoring.LogMessage(encryptedMessage, encryptedSenderName, encryptedRecieverName);
}
catch (FaultException e)
{
Console.WriteLine("Logging message on server failed. \nDetails: " + e.Message);
break;
}
}
proxyPeerClient.Abort();
}
if (m == 0)
{
break;
}
}
Console.WriteLine("Press any key to close..");
Console.ReadKey();
try
{
proxy.Disconnect(winIdentity.User.ToString());
} catch (FaultException e)
{
Console.WriteLine("Disconnection failed. \nDetails: " + e.Message);
}
host.Close();
proxy.Close();
return(0);
}
