How can I make accessing my custom IPrincipal easier in ASP.NET MVC?

Question

I\'ve written a custom principal object which contains a few additional fields (email and userid in addition to the username).

In order to access these properties I have

Answer 1

When not authorized, you could set the user object to a specific instance of the custom principal with default values:

if (authCookie == null)
{
    context.User = CustomPrincipal.Default; // Or CreateDefault()
    return;
}