/// <summary> Begins the login process. </summary>
private void StartLogin()
{
var username = TextBox.Text;
var password = PasswordBox.Password;
if (string.IsNullOrWhiteSpace(username))
{
Utilities.ShowValidationErrorDialog("You must enter a username.");
return;
}
if (string.IsNullOrWhiteSpace(password))
{
Utilities.ShowValidationErrorDialog("You must enter a password.");
return;
}
PasswordBox.Clear();
try
{
HandshakeToken = clients.Auth.BeginLogin(new LoginCredentials
{
Username = username,
Password = password
});
}
catch (FaultException fe)
{
Utilities.Log($"FaultException from BeginLogin: {fe}");
Utilities.ShowErrorDialog($"Login failed because \"{fe.Message}\". Please check your credentials and try again.", "Login failed");
}
}
/// <summary> Creates the login dialog. </summary>
public LoginDialog()
{
InitializeComponent();
clients = new Clients();
HandshakeToken = null;
}
/// <summary> Completes a login process. </summary>
private void ConfirmLogin()
{
var oneTimeUseCode = PasswordBox.Password;
if (string.IsNullOrWhiteSpace(oneTimeUseCode))
{
Utilities.ShowValidationErrorDialog("You must enter the authentication code.");
return;
}
PasswordBox.Clear();
AuthToken authToken;
try
{
authToken = clients.Auth.FinishLogin(handshake, new SecondFactor
{
OneTimeUseCode = oneTimeUseCode
});
}
catch (FaultException fe)
{
Utilities.Log($"Error on ConfirmLogin: {fe}");
Utilities.ShowErrorDialog($"Login failed because \"{fe.Message}\". Please check your credentials and try again.", "Login failed");
return;
}
HandshakeToken = null;
RunUserSession(authToken);
PasswordBox.Focus(); // focus back on the password, because the username will remain populated
}
public void GiveHandshake(Socket socket, Action handShakenCallback)
{
if (socket == null || !socket.Connected || handShakenCallback == null)
{
return;
}
var resourceName = uri.AbsolutePath; // TODO check ... PathAndQuery
var host = uri.WebSocketAuthority();
var handshake = new ClientHandshake(resourceName, host, origin)
{
ExtraFields = extraFields
};
var token = new HandshakeToken
{
Socket = socket,
Callback = handShakenCallback,
Handshake = handshake
};
var handshakeBuffer = handshake.ToByteArray();
var args = new SocketAsyncEventArgs();
args.SetBuffer(handshakeBuffer, 0, handshakeBuffer.Length);
args.UserToken = token;
args.RemoteEndPoint = socket.RemoteEndPoint;
args.Completed += OnGivingHandshakeCompleted;
socket.SendAsync(args);
}
/// <summary> Cancels an incomplete login process. </summary>
private void CancelLogin()
{
clients.Auth.CancelLogin(handshake);
// Cancelling the login process should be rare;
// track it in case there's some usability problem.
ClientAppInsights.TelemetryClient.TrackEvent("Login cancelled");
HandshakeToken = null;
PasswordBox.Clear();
}
