Asp Identity Bearer Token Auth + AD FS

Hi,
I have created ASP MVC 5 project with ASP Identity bearer token-based authentification and have to add Active Directory (AD) support: if Windows-user belongs concrete group, consider user is authorized without asking login and password (if it possible) otherwise redirect to login page.
I have installed AD FS and have created test console application, it works:
AD FS Token Based Authentication In Code
What should I do next?
Also I tried another way to solve my problem.
 But on this line:
app.UseWsFederationAuthentication(new WsF ...