/// <summary>
/// Method which removes the credentials from the Windows vault stored by the application.
/// </summary>
internal static void RemoveCredentials()
{
BackgroundTaskExtensions.Unregister();
DisableWindowsHello();
PasswordCredential credential = RetrieveCredentials();
if (credential != null)
{
credential.RetrievePassword();
new PasswordVault().Remove(new PasswordCredential(ResourceLoader.GetForCurrentView().GetString("AppName"), credential.UserName, credential.Password));
}
}
/// <summary>
/// Method which stores the credentials into the Windows vault.
/// </summary>
/// <param name="username">The username</param>
/// <param name="password">The password</param>
internal static void AddCredentials(string username, string password)
{
new PasswordVault().Add(new PasswordCredential(ResourceLoader.GetForCurrentView().GetString("AppName"), username, password));
BackgroundTaskExtensions.Register();
}
/// <summary>
/// Method invoked when the user clicks on Accedi.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private async void Button_Click(object sender, RoutedEventArgs e)
{
StatusProgressBar.Opacity = 1;
UsernameTextBox.IsEnabled = false;
PasswordPasswordBox.IsEnabled = false;
LoginButton.IsEnabled = false;
bool authenticated;
try
{
if (ApplicationData.Current.LocalSettings.Values.ContainsKey("HelloAuthenticationEnabled"))
{
if (await SecurityExtensions.Authenticate())
{
authenticated = await Singleton <ClientExtensions> .Instance.AuthenticateAndInitDataAsync(new UserCredentials(UsernameTextBox.Text, PasswordPasswordBox.Password), true);
}
else
{
PasswordPasswordBox.Password = "";
UsernameTextBox.IsEnabled = true;
PasswordPasswordBox.IsEnabled = true;
LoginButton.IsEnabled = true;
StatusProgressBar.Opacity = 0;
return;
}
}
else
{
authenticated = await Singleton <ClientExtensions> .Instance.AuthenticateAndInitDataAsync(new UserCredentials(UsernameTextBox.Text, PasswordPasswordBox.Password), true);
}
SecurityExtensions.AddCredentials(UsernameTextBox.Text, PasswordPasswordBox.Password);
BackgroundTaskExtensions.Register(120);
}
catch (Exception ex)
{
Analytics.TrackEvent(ex.Message, new Dictionary <string, string> {
{ "exception", ex.ToString() }
});
AppNotification.IsOpen = true;
AppNotification.Title = "Attention".GetLocalized();
if (ex is UnauthorizedUserException)
{
AppNotification.Subtitle = ex.Message;
UsernameTextBox.IsEnabled = true;
PasswordPasswordBox.IsEnabled = true;
LoginButton.IsEnabled = true;
StatusProgressBar.Opacity = 0;
return;
}
else if (ex is HttpRequestException)
{
AppNotification.Subtitle = "HttpRequestException".GetLocalized();
UsernameTextBox.IsEnabled = true;
PasswordPasswordBox.IsEnabled = true;
LoginButton.IsEnabled = true;
StatusProgressBar.Opacity = 0;
return;
}
else
{
AppNotification.Subtitle = "UnhandledException".GetLocalized();
}
}
NavigationService.Navigate(typeof(MainPage), new EntranceNavigationTransitionInfo());
navigationView.SelectedItem = navigationView.MenuItems[0];
IsBackEnabled = false;
NavigationService.Frame.BackStack.Clear();
Loader.IsLoading = false;
_avoidCheck = false;
UsernameTextBox.IsEnabled = true;
PasswordPasswordBox.IsEnabled = true;
LoginButton.IsEnabled = true;
StatusProgressBar.Opacity = 0;
}
