/// <summary>
/// Processes authentication.
/// </summary>
/// <returns>The authenticate result.</returns>
protected override async Task <AuthenticateResult> HandleAuthenticateAsync()
{
var client = await ControllerExtensions.GetResourceAccessClientAsync(Request);
if (!client.IsUserSignedIn)
{
return(AuthenticateResult.Fail(new UnauthorizedAccessException(client.Token?.ErrorDescription ?? "No content to login or invalid access token.")));
}
var principal = new OnPremisesPrincipal(client);
return(AuthenticateResult.Success(new AuthenticationTicket(principal, "bearer")));
}