private async Task LaunchBrowserAsync(string url)
{
var appUri = WebAuthenticationBroker.GetCurrentApplicationCallbackUri().AbsoluteUri;
var result = await WebAuthenticationBroker.AuthenticateAsync(
WebAuthenticationOptions.None,
new Uri(url),
new Uri(appUri));
if (result.ResponseStatus == WebAuthenticationStatus.Success)
{
OidcClient.CaptureRedirectUrl(new Uri(result.ResponseData));
}
else if (result.ResponseStatus == WebAuthenticationStatus.UserCancel)
{
throw new TaskCanceledException(result.ResponseData);
}
else
{
throw new Exception(result.ResponseData);
}
}