internal static async Task <AuthenticationResult> TryLoginAsync(frmWebLogin webLoginFormCreatedOnUIThread)
{
var accounts = (await PublicClientApp.GetAccountsAsync()).ToList();
if (accounts?.Count > 0)
{
await ClearAccountsAsync(accounts);
}
AuthenticationResult authResult = null;
try
{
authResult = await PublicClientApp
.AcquireTokenSilent(Scopes, accounts.FirstOrDefault())
.ExecuteAsync();
}
catch (MsalUiRequiredException)
{
try
{
authResult = await PublicClientApp.AcquireTokenInteractive(BlackBoardApplication.Scopes)
.WithCustomWebUi(webLoginFormCreatedOnUIThread)
.ExecuteAsync();
}
catch (System.Exception)
{
// TODO: Implement error handling.
}
}
if (authResult.AccessToken != null)
{
// Once the token has been returned by MSAL, add it to the http authorization header, before making the call to access the To Do list service.
HttpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", authResult.AccessToken);
IsLoggedIn = true;
}
else
{
IsLoggedIn = false;
}
return(authResult);
}
private async void btnLogin_Click(object sender, EventArgs e)
{
try
{
var loginBrowser = new frmWebLogin();
loginBrowser.Show();
await loginBrowser.WaitForInitializeAsync();
var result = await BlackBoardApplication.TryLoginAsync(loginBrowser);
loginBrowser.Close();
var userLoginInfo = await BlackBoardApplication.GetUserLoginInfoAsync();
txtBlackboard.Text = userLoginInfo.Blackboard;
lblLoginInfo.Text = $"{userLoginInfo.Name} - ({userLoginInfo.UserId})";
}
catch (Exception)
{
throw;
}
}
