private async Task RunAsync()
{
// Do the background task activity. First, get the authentication context.
Debug.WriteLine("Getting event details");
if (!HotspotAuthenticationContext.TryGetAuthenticationContext(_details.EventToken, out _context))
{
// The event is not targetting this application. There is no further processing to do.
Debug.WriteLine("Failed to get event context");
return;
}
byte[] ssid = _context.WirelessNetworkId;
Debug.WriteLine("SSID: " + System.Text.UTF8Encoding.UTF8.GetString(ssid, 0, ssid.Length));
if (ConfigStore.UseNativeWISPr)
{
// Following code can be used if using native WISPr implementation. Please note that
// following HotspotAuthenticationContext properties only work on windows and not on windows phone.
// On Windows Phone they return un-useful strings
// Developers are expected to implement their own WISPr implementation on Phone
Debug.WriteLine("AuthenticationUrl: " + _context.AuthenticationUrl.OriginalString);
Debug.WriteLine("RedirectMessageUrl: " + _context.RedirectMessageUrl.OriginalString);
Debug.WriteLine("RedirectMessageXml: " + _context.RedirectMessageXml.GetXml());
// In this sample, the AuthenticationUrl is always checked in the background task handler
// to avoid launching the foreground app in case the authentication host is not trusted.
if (ConfigStore.AuthenticationHost != _context.AuthenticationUrl.Host)
{
// Hotspot is not using the trusted authentication server.
// Abort authentication and disconnect.
Debug.WriteLine("Authentication server is untrusted");
_context.AbortAuthentication(ConfigStore.MarkAsManualConnect);
return;
}
}
// Run the appropriate scenario selected by the foreground app.
if (ConfigStore.AuthenticateThroughBackgroundTask)
{
await AuthenticateInBackgroundAsync();
}
else
{
ContinueAuthenticationInForeground();
}
return;
}
/// <summary>
/// This is the click handler for the 'Abort' button.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void AbortButton_Click(object sender, RoutedEventArgs args)
{
try
{
authenticationContext.AbortAuthentication(ConfigStore.MarkAsManualConnect);
rootPage.NotifyUser("Authentication aborted", NotifyType.StatusMessage);
}
catch (Exception ex)
{
rootPage.NotifyUser(ex.ToString(), NotifyType.ErrorMessage);
}
ClearAuthenticationToken();
}
/// <summary>
/// This is the click handler for the 'Abort' button.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void AbortButton_Click(object sender, RoutedEventArgs args)
{
authenticationContext.AbortAuthentication(ConfigStore.MarkAsManualConnect);
rootPage.NotifyUser("Authentication aborted", NotifyType.StatusMessage);
ClearAuthenticationToken();
}