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);
}
/// <summary>
/// Get Token for User.
/// </summary>
/// <returns>Token for user.</returns>
public async Task <string> GetTokenForUserAsync(Connection connection, IEnumerable <string> scopes)
{
if (AccessTokenInfo?.AccessToken == null || AccessTokenInfo.ExpiresOn.Subtract(DateTimeOffset.UtcNow) > TimeSpan.Zero)
{
IEnumerable <IAccount> account = await PublicClientApp.GetAccountsAsync();
var requriedscopes = new List <string>();
try
{
AccessTokenInfo = await PublicClientApp.AcquireTokenSilent(scopes, account.FirstOrDefault(s => s.Username == "navateja")).ExecuteAsync();
}
//To posiblities
// 1- Accounts Dosn't Exist
// 2- Microsoft.Identity.Client.MsalUiRequiredException
catch (Exception)
{
//await GetTokenByRefereshToken(scopes, "93ded07f-9eff-40f0-91b9-eb61022eeced.8a92f134-8bf1-47b2-9e5e-7c1653e22f85-login.windows.net-refreshtoken-2bae50d2-90aa-4b11-aca4-3caf162934f9--");
AccessTokenInfo = await PublicClientApp.AcquireTokenInteractive(scopes).WithAuthority("https://login.microsoftonline.com/7a096f3f-68c6-450a-9281-1e29226ebda9").WithPrompt(Microsoft.Identity.Client.Prompt.Consent).ExecuteAsync();
}
}
return(AccessTokenInfo.AccessToken);
}
