private async void MetroWindow_Loaded(object sender, RoutedEventArgs e)
{
YubiCryptOAuth2Token t = Properties.Settings.Default.AccessToken;
SettingKDFComboBox.ItemsSource = _engine.KeyDerivationFunctionProviders;
SettingSymmetricCipherComboBox.ItemsSource = _engine.SymmetricCipherProviders;
SettingMACComboBox.ItemsSource = _engine.MACProviders;
if (!await LoadSettings())
{
return;
}
if (t == null)
{
await this.ShowMessageAsync("No YubiCrypt Access Token", "In order to access the YubiCrypt platform you must first request an access token.\nPlease sign in.", MessageDialogStyle.Affirmative);
tabAccount.IsSelected = true;
return;
}
_client = new YubiCryptClient(API_CLIENT_ID, API_CLIENT_SECRET, t);
await LoadFiles();
}
private void GetAuthorizationCode()
{
_client = new YubiCryptClient(clientId, clientSecret, callbackUrl);
messageText.Text = "Please sign in to your YubiCrypt account:";
var url = _client.GetAuthorizationCodeRequestUrl(new string[] { "files", "keys" });
MainBrowser.Navigate(url);
}
/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private void NavigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
_client = e.NavigationParameter as YubiCryptClient;
if (_client == null)
{
return;
}
var authUrl = _client.GetAuthorizationCodeRequestUrl(new string[] { "files", "keys" });
browserView.Navigate(new Uri(authUrl));
}
private async Task RenewAccessToken()
{
client = new YubiCryptClient(clientId, clientSecret, callbackUrl);
var noTokenMessage = new MessageDialog(this.resourceLoader.GetString("Message_NoAccessToken"));
await noTokenMessage.ShowAsync();
if (!Frame.Navigate(typeof(Authentication), client))
{
throw new Exception(this.resourceLoader.GetString("NavigationFailedExceptionMessage"));
}
}
void signInWindow_AccessTokenReceived(object sender, AccessTokenReceivedEventArgs e)
{
if (_client == null)
{
_client = new YubiCryptClient(API_CLIENT_ID, API_CLIENT_SECRET, e.AccessToken);
}
else
{
_client.OAuth2Token = e.AccessToken;
}
Properties.Settings.Default.AccessToken = e.AccessToken;
Properties.Settings.Default.Save();
UpdateTokenStatus();
}
private async Task RefreshUI()
{
YubiCryptOAuth2Token storedAccessToken = SettingsHelper.LoadSetting <YubiCryptOAuth2Token>(Consts.SETTINGS_ACCESS_TOKEN_KEY);
if (CheckAccessToken(storedAccessToken))
{
client = new YubiCryptClient(clientId, clientSecret, storedAccessToken);
if (!IsTokenSecretAvailable())
{
await TokenSecretFirstTimeSetup();
return;
}
var secret = SettingsHelper.LoadSetting <TFTokenData>(Consts.SETTINGS_TOKEN_SECRET_KEY);
await LoadFileListAsync();
}
else
{
await RenewAccessToken();
}
}