A simple account module to handle logging in and off

AccountModule.cs

public class AccountModule : NancyModule
    {
        private readonly IAuthenticationServiceClient m_authenticationService;

        public AccountModule(IAuthenticationServiceClient authenticationService)
            : base("/Account")
        {
            m_authenticationService = authenticationService;
            Post["/Login"] = args =>
                {
                    var model = this.Bind<LogOnModel>();
                    var apiToken = m_authenticationService.Authenticate(model);
                    return this.LoginAndRedirect(Guid.NewGuid(), fallbackRedirectUrl: "~/blog");
                };
            Get["/Register"] = _ => View["/Account/Register"];
            Get["/Login"] = _ => View["/Account/Login"];
            Get["/LogOff"] = _ =>
                {
                    this.ShouldBeAuthenticated();
                    Context.CurrentUser = null;
                    return this.LogoutAndRedirect("/Login");
                };
        }
    }