public async Task StartLoginProcedureAsync()
{
if (TokenRetrieved == null)
{
throw new FieldAccessException($"No handler set for {nameof(TokenRetrieved)} event.");
}
if (Closed == null)
{
throw new FieldAccessException($"No handler set for {nameof(Closed)} event.");
}
var session = await CreateLoginSessionAsync();
//open login window
Uri webAppBaseUri = new Uri(_webAppBaseUrl);
Uri loginPageUri = new Uri(webAppBaseUri, $"login?s={session.PublicIdentifier}");
OpenUrlInBrowser(loginPageUri.AbsoluteUri);
var maxLoginTimeInSeconds = 90;
var pollingIntervalInMilliSeconds = 400;
var token = await WaitForTokenAsync(session.PublicIdentifier, session.SessionToken, pollingIntervalInMilliSeconds, maxLoginTimeInSeconds);
if (!string.IsNullOrEmpty(token))
{
TokenRetrieved?.Invoke(token);
}
}
private async void LoginButtonClick(object sender, RoutedEventArgs e)
{
if (TokenRetrieved == null)
{
throw new FieldAccessException($"No handler set for {nameof(TokenRetrieved)} event.");
}
var tokenRequest = new TokenRequest
{
Email = UserNameTextBox.Text,
Password = PasswordBox.Password
};
GoIntoLoadingState();
try
{
var tokenResponse =
await _httpHandler.PostAsJsonAsync <TokenRequest, TokenResponse>("api/auth/token",
tokenRequest);
TokenRetrieved.Invoke(tokenResponse.Token);
Close();
}
catch (HttpRequestException requestException)
{
MessageTextBlock.Text = string.IsNullOrEmpty(requestException.Message) ? "Unknown error." : requestException.Message;
}
catch (HttpResponseException responseException)
{
var message = responseException.Message;
if (string.IsNullOrEmpty(message) && responseException.ResponseStatusCode == HttpStatusCode.Unauthorized)
{
message = "Invalid email / password combination.";
}
MessageTextBlock.Text = string.IsNullOrEmpty(message) ? "Unknown error." : message;
}
ComeOutOfLoadingState();
}