/// <summary>
/// Obsluga wydarzenia przyjscia wiadomosci
/// </summary>
/// <param name="e"></param>
private void MsgCame(MsgEvent e)
{
if (msgSignal != null)
{
msgSignal(this, e);
}
}
/// <summary>
/// Metoda do obslugi wiadomosci miedzy klientami
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MsgService(object sender, MsgEvent e)
{
StringBuilder sb = new StringBuilder();
Decoder decoder = Encoding.UTF8.GetDecoder();
char[] chars = new char[decoder.GetCharCount(e.msg, 0, e.msg.Length)];
decoder.GetChars(e.msg, 0, e.msg.Length, chars, 0);
sb.Append(chars);
string message = sb.ToString();
if (String.Compare("ONL", 0, message, 0, 3) == 0)
{
string result = null;
foreach (Client c in database)
{
if (c.isRunning && !c.isConnected)
{
result += c.login + " ";
}
}
byte[] msg;
if (result == null)
{
msg = Encoding.UTF8.GetBytes("ONLRNikt nie jest online");
}
else
{
msg = Encoding.UTF8.GetBytes("ONLR" + result);
}
foreach (Client c in database)
{
if (c.login == e.login)
{
c.Send(msg);
}
}
return;
}
else if (String.Compare("ISO", 0, message, 0, 3) == 0)
{
string login = message.Substring(3);
bool isOn = false;
string result;
foreach (Client c in database)
{
if (c.login == login && c.isRunning && !c.isConnected)
{
isOn = true;
break;
}
}
if (isOn)
{
result = "ISORTrue";
foreach (Client c in database)
{
if (c.login == e.login)
{
c.connectedTo = login;
break;
}
}
}
else
{
result = "ISORFalse";
}
byte[] msg = Encoding.UTF8.GetBytes(result);
foreach (Client c in database)
{
if (c.login == e.login)
{
c.Send(msg);
}
}
return;
}
else if (String.Compare("GCR", 0, message, 0, 3) == 0)
{
X509Certificate2 cerAlice = null;
X509Certificate2 cerBob = null;
string alice = e.login;
string bob = null;
foreach (Client c in database)
{
if (c.login == alice)
{
bob = c.connectedTo;
break;
}
}
foreach (Client c in database)
{
if (c.login == bob)
{
c.connectedTo = alice;
break;
}
}
Console.WriteLine("ALICE is {0}", alice);
Console.WriteLine("BOB is {0}", bob);
//Pobranie odpowiednich certyfikatow
foreach (Client c in database)
{
if (c.login == alice)
{
cerAlice = c.certificate;
}
else if (c.login == bob)
{
cerBob = c.certificate;
}
}
//Przygotowanie wiadomości dla Boba
//sb.Clear();
string prefix = "GCRB";
int bytes = Encoding.UTF8.GetByteCount(prefix);
//sb.Append(prefix).Append(bytes);
//prefix = sb.ToString();
//bytes = Encoding.UTF8.GetByteCount(prefix);
byte[] pre = Encoding.UTF8.GetBytes(prefix);
byte[] rawData = CryptoModule.PreparePublicCertToSend(cerAlice);
byte[] bobMsg = new byte[rawData.Length + bytes];
pre.CopyTo(bobMsg, 0);
rawData.CopyTo(bobMsg, bytes);
//Przygotowanie wiadomości dla Alice
//sb.Clear();
prefix = "GCRA";
bytes = Encoding.UTF8.GetByteCount(prefix);
//sb.Append(prefix).Append(bytes);
//prefix = sb.ToString();
//bytes = Encoding.UTF8.GetByteCount(prefix);
byte[] preA = Encoding.UTF8.GetBytes(prefix);
byte[] rawDataA = CryptoModule.PreparePublicCertToSend(cerBob);
byte[] aliceMsg = new byte[rawDataA.Length + bytes];
preA.CopyTo(aliceMsg, 0);
rawDataA.CopyTo(aliceMsg, bytes);
//Wyslanie wiadomosci
foreach (Client c in database)
{
if (c.login == alice)
{
c.Send(aliceMsg);
c.isConnected = true;
break;
}
}
Console.WriteLine("BOB certificate send to ALICE");
foreach (Client c in database)
{
if (c.login == bob)
{
c.Send(bobMsg);
c.isConnected = true;
break;
}
}
Console.WriteLine("ALICE certificate send to BOB");
return;
}
else if (String.Compare("DIS", 0, message, 0, 3) == 0)
{
Console.WriteLine("Logging {0} out", e.login);
string con = null;
bool conect = false;
foreach (Client c in database)
{
if (c.login == e.login)
{
if (c.isConnected)
{
con = c.connectedTo;
conect = true;
}
c.Stop();
Console.WriteLine("Client {0} disconnected", c.login);
break;
}
}
if (conect)
{
foreach (Client c in database)
{
if (c.login == con)
{
c.Send(Encoding.UTF8.GetBytes("DIC"));
c.isConnected = false;
c.connectedTo = null;
break;
}
}
}
}
else if (String.Compare("DIC", 0, message, 0, 3) == 0)
{
string log = null;
foreach (Client c in database)
{
if (c.login == e.login)
{
log = c.connectedTo;
c.isConnected = false;
c.connectedTo = null;
break;
}
}
foreach (Client c in database)
{
if (c.login == log)
{
c.Send(e.msg);
c.isConnected = false;
c.connectedTo = null;
break;
}
}
}
else if (String.Compare("MSG", 0, message, 0, 3) == 0)
{
Console.WriteLine("Message from {0}", e.login);
string log = null;
foreach (Client c in database)
{
if (c.login == e.login)
{
log = c.connectedTo;
break;
}
}
foreach (Client c in database)
{
if (c.login == log)
{
c.Send(e.msg);
break;
}
}
Console.WriteLine("Message sent to {0}", log);
}
}
