Get IPrincipal from OAuth Bearer Token in OWIN

Question

I have successfully added OAuth to my WebAPI 2 project using OWIN. I receive tokens and can use them in the HTTP Header to access resources.

Now I want to use those

Answer 1

What is your token like, is it an encrypt string or a formatted string, what is it format?

I my code:

public static Action receive = new Action(c =>
{
        if (!string.IsNullOrEmpty(c.Token))
        {

            c.DeserializeTicket(c.Token);
            //c.OwinContext.Environment["Properties"] = c.Ticket.Properties;
        }
});

The c.Ticket is always null.