public static MsalAuthenticationProvider GetInstance(IConfidentialClientApplication application, string[] scopes)
{
if (_singleton == null)
{
_singleton = new MsalAuthenticationProvider(application, scopes);
}
return(_singleton);
}
private static IAuthenticationProvider CreateAuthorizationProvider(IConfigurationRoot config)
{
var tenantId = config["tenantId"];
var clientId = config["applicationId"];
var clientSecret = config["applicationSecret"];
var authority = $"https://login.microsoftonline.com/{config["tenantId"]}/v2.0";
List <string> scopes = new List <string>();
scopes.Add("https://graph.microsoft.com/.default");
var cca = ConfidentialClientApplicationBuilder.Create(clientId)
.WithAuthority(authority)
.WithClientSecret(clientSecret)
.Build();
return(MsalAuthenticationProvider.GetInstance(cca, scopes.ToArray()));
}