public async Task <string> LoginWithRefreshTokenAsync()
{
List <string> scopesWithRefresh = scopes.ToList();
scopesWithRefresh.Add("offline_access");
IPublicClientApplication app = PublicClientApplicationBuilder
.Create(clientId)
.WithTenantId(tenantId)
.WithRedirectUri(redirectUri)
.Build();
TokenCacheSerialization.EnableSerialization(app.UserTokenCache);
AuthenticationResult result = null;
var accounts = await app.GetAccountsAsync();
if (accounts.Any())
{
try
{
// attempt to get a token from the cache or silently refresh
result = await app.AcquireTokenSilent(scopes, accounts.FirstOrDefault())
.ExecuteAsync();
}
catch (MsalUiRequiredException)
{
// swallow exception
}
}
// cache empty or no token for account
if (result == null)
{
try
{
result = await app.AcquireTokenInteractive(scopes)
.ExecuteAsync();
}
catch (MsalServiceException ex)
{
throw;
}
catch (OperationCanceledException)
{
result = null;
}
catch (MsalClientException ex)
{
result = null;
}
}
return(result.AccessToken);
}
static async Task Main(string[] args)
{
// Build configuration
configuration = new ConfigurationBuilder()
.SetBasePath(Directory.GetParent(AppContext.BaseDirectory).FullName)
.AddJsonFile("appsettings.json", false)
.AddJsonFile("appsettings.json.user", true)
.Build();
var defaultForegroundColor = Console.ForegroundColor;
var example = new GrantTypeExamples(configuration);
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("Select an authentication flow.");
Console.WriteLine("1) - App Only Client Credentials Flow");
Console.WriteLine("2) - Resource Owner Password Credentials");
Console.WriteLine("3) - Device Code Flow");
Console.WriteLine("4) - Interactive Login");
Console.WriteLine("5) - Windows Integrated");
Console.WriteLine("6) - Refresh Token");
Console.WriteLine("7) - Write Token Cache");
Console.WriteLine("8) - Application Certificate");
var selection = Console.ReadKey();
Console.WriteLine();
string accessToken = null;
try
{
switch (selection.KeyChar)
{
case '1':
accessToken = await example.ClientCredentialsAsync();
break;
case '2':
accessToken = await example.ResourceOwnerPasswordAsync();
break;
case '3':
accessToken = await example.DeviceCodeAsync();
break;
case '4':
accessToken = await example.InteractiveAsync();
break;
case '5':
accessToken = await example.IntegratedAsync();
break;
case '6':
accessToken = await example.LoginWithRefreshTokenAsync();
break;
case '7':
var tokenCache = TokenCacheSerialization.GetTokenCacheValue();
Console.WriteLine(JsonConvert.SerializeObject(tokenCache));
break;
case '8':
accessToken = await example.CertificateAuthAsync();
break;
}
Console.WriteLine("Your access token is:");
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine(accessToken);
}
catch (Exception ex)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(ex.Message);
}
Console.ForegroundColor = defaultForegroundColor;
}
