/// <summary>
/// Returns an app-only token for Microsoft Graph using the current authentication context authenticating the application
/// using the given <paramref name="clientId"/> and <paramref name="clientSecret"/>.
/// </summary>
public static async Task <AuthenticationResult> AcquireAppOnlyGraphTokenAsync(this AuthenticationContext authContext, string clientId, string clientSecret)
{
return(await authContext.AcquireAppOnlyTokenAsync(AppSettings.GraphResourceId, clientId, clientSecret));
}
/// <summary>
/// Returns an app-only token for the given resource.
/// </summary>
/// <param name="resourceId">The resource identifier for which to return the token.</param>
/// <returns></returns>
public static AuthenticationResult AcquireAppOnlyToken(this AuthenticationContext authContext, string resourceId)
{
return(AsyncHelper.RunSync(async() => await authContext.AcquireAppOnlyTokenAsync(resourceId)));
}