public CKdcToClientLogInData LogInApp(string userName)
{
if (users_list.ContainsKey(userName))
{
Console.WriteLine("you already logged");
return(null);
}
Console.WriteLine("LOGIN: NAME {0} ", userName);
CKdcToClientLogInData msgKdcToClientLoggin = new CKdcToClientLogInData();
User retUserFromDB = m_DBservice.getUserByName(userName);
if (retUserFromDB != null)
{
byte[] userSessionKey = CAes.NewKey();
string challenge = Path.GetRandomFileName();
int port = 1100 + retUserFromDB.ID;
byte[] localPortByte = BitConverter.GetBytes(port);
msgKdcToClientLoggin.m_username = CAes.SimpleEncryptWithPassword(userName, retUserFromDB.PassWord);
msgKdcToClientLoggin.m_kdcAsSessionKey = CAes.SimpleEncryptWithPassword(userSessionKey, retUserFromDB.PassWord);
msgKdcToClientLoggin.m_challenge = CAes.SimpleEncryptWithPassword(challenge, retUserFromDB.PassWord);
msgKdcToClientLoggin.m_localPort = CAes.SimpleEncryptWithPassword(localPortByte, retUserFromDB.PassWord);
UserServiceData userServiceData = new UserServiceData(userSessionKey, OperationContext.Current.GetCallbackChannel <IClientKdcCallBack>());
userServiceData.logginChallenge = challenge + challenge;
users_list.Add(userName, userServiceData);
}
else
{
msgKdcToClientLoggin = null;
}
return(msgKdcToClientLoggin);
}
private void login_worker_DoWork(object sender, DoWorkEventArgs e)
{
bool looginSuccess = false;
IKdcService proxy = KdcProxy.Instance.GetProxy();
string usernameInvoked = string.Empty;
string passwordInvoked = string.Empty;
Dispatcher.BeginInvoke(new Action(delegate
{
usernameInvoked = txtUserName.Text;
passwordInvoked = txtPassWord.Password.ToString();
}));
Thread.Sleep(100);
// try to log in to the server
ClientAllData.Instance.setMyUsername(usernameInvoked);
CKdcToClientLogInData logginData = proxy.LogInApp(usernameInvoked);
// parse the result
if (logginData != null)
{
string passWordHash = string.Empty;
using (MD5 md5Hash = MD5.Create())
{
passWordHash = CMd5hash.GetMd5Hash(md5Hash, passwordInvoked);
}
string retDecUserName = CAes.SimpleDecryptWithPassword(logginData.m_username, passWordHash);
byte[] retDecPassword = CAes.SimpleDecryptWithPassword(logginData.m_kdcAsSessionKey, passWordHash);
byte[] localPortByte = CAes.SimpleDecryptWithPassword(logginData.m_localPort, passWordHash);
int localPort = BitConverter.ToInt32(localPortByte, 0);
if (retDecUserName == usernameInvoked)
{
string retChallenge = CAes.SimpleDecryptWithPassword(logginData.m_challenge, passWordHash);
CLogInStatus logginStatus = new CLogInStatus();
logginStatus.m_username = retDecUserName;
logginStatus.m_logInFail = false;
logginStatus.m_challenge = CAes.SimpleEncrypt(retChallenge + retChallenge, retDecPassword, retDecPassword);
if (proxy.SetLoginStatus(logginStatus))
{
clientPrivateData myClient = ClientAllData.Instance.getMyClient();
myClient.username = retDecUserName;
myClient.m_kdcAsSessionKey = retDecPassword;
myClient.m_loginSucccess = true;
myClient.m_localPort = localPort;
looginSuccess = true;
}
}
}
if (!looginSuccess)
{
CLogInStatus logginStatus = new CLogInStatus();
logginStatus.m_username = usernameInvoked;
logginStatus.m_logInFail = true;
proxy.SetLoginStatus(logginStatus);
}
}
