private async void SignInPassport()
{
if (_isExistingAccount)
{
if (await MicrosoftPassportHelper.GetPassportAuthenticationMessageAsync(_account))
{
Frame.Navigate(typeof(Welcome), _account);
}
}
else if (AccountHelper.ValidateAccountCredentials(UsernameTextBox.Text))
{
// Create and add a new local account
_account = AccountHelper.AddAccount(UsernameTextBox.Text);
Debug.WriteLine("Successfully signed in with traditional credentials and created local account instance!");
if (await MicrosoftPassportHelper.CreatePassportKeyAsync(UsernameTextBox.Text))
{
Debug.WriteLine("Successfully signed in with Microsoft Passport!");
Frame.Navigate(typeof(Welcome), _account);
}
}
else
{
ErrorMessage.Text = "Invalid Credentials";
}
}
private void Button_Forget_User_Click(object sender, RoutedEventArgs e)
{
// Remove it from Microsoft Passport
MicrosoftPassportHelper.RemovePassportAccountAsync(_activeAccount);
// Remove it from the local accounts list and resave the updated list
AccountHelper.RemoveAccount(_activeAccount);
Debug.WriteLine("User " + _activeAccount.Username + " deleted.");
Frame.Navigate(typeof(UserSelection));
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
// Check Microsoft Passport is setup and available on this machine
if (await MicrosoftPassportHelper.MicrosoftPassportAvailableCheckAsync())
{
if (e.Parameter != null)
{
_isExistingAccount = true;
// Set the account to the existing account being passed in
_account = (Account)e.Parameter;
UsernameTextBox.Text = _account.Username;
SignInPassport();
}
}
else
{
// Microsoft Passport is not setup so inform the user
PassportStatus.Background = new SolidColorBrush(Windows.UI.Color.FromArgb(255, 50, 170, 207));
PassportStatusText.Text = "Microsoft Passport is not setup!\n" +
"Please go to Windows Settings and set up a PIN to use it.";
PassportSignInButton.IsEnabled = false;
}
}
private async void RegisterButton_Click_Async(object sender, RoutedEventArgs e)
{
ErrorMessage.Text = "";
//In the real world you would normally validate the entered credentials and information before
//allowing a user to register a new account.
//For this sample though we will skip that step and just register an account if username is not null.
if (!string.IsNullOrEmpty(UsernameTextBox.Text))
{
//Register a new account
_account = AccountHelper.AddAccount(UsernameTextBox.Text);
//Register new account with Microsoft Passport
await MicrosoftPassportHelper.CreatePassportKeyAsync(_account.Username);
//Navigate to the Welcome Screen.
Frame.Navigate(typeof(Welcome), _account);
}
else
{
ErrorMessage.Text = "Please enter a username";
}
}
