Owin/Nancy Sample about identityserver3.samples HOT 11 CLOSED

public void Configuration(IAppBuilder app)
        {         
            SecurityConfig.Register(app);                   
            app.UseNancy();
        }

 public static class ClaimsPrincipalExtensions
    {
        public static Guid CurrentUserId(this ClaimsPrincipal principal)
        {
            var subject = principal.Claims.GetClaimValue("sub");
            Guid userId;

            if (!Guid.TryParse(subject, out userId))
                throw new ApplicationException(String.Format("Invalid userid {0}", subject));

            return userId;
        }

        public static string GetClaimValue(this IEnumerable<Claim> claims, string type)
        {
            var claim = claims.FirstOrDefault(x => x.Type == type);

            return (claim != null ? claim.Value : null);
        }
    }

 this.RequiresMSOwinAuthentication();
var userId = Context.GetMSOwinUser().CurrentUserId();

  public static class SecurityConfig
    {
        public static void Register(IAppBuilder app)
        {
            JwtSecurityTokenHandler.InboundClaimTypeMap = new Dictionary<string, string>();

            //Token Check
            //app.UseOAuthBearerAuthentication(new OAuthBearerAuthenticationOptions {
            //    Provider = new EnhancedAuthenticationProvider(),
            //    AuthenticationMode = AuthenticationMode.Active
            //});

            app.UseIdentityServerBearerTokenAuthentication(new IdentityServerBearerTokenAuthenticationOptions
            {
                AuthenticationMode = AuthenticationMode.Active,
                Authority = IdSvr.BaseAddress
            }); 

        }
    }

  SecurityConfig.Register(app);

 public static class NancyModuleExtensions
  {
    public static bool HasAuthNancyUser(this INancyModule module)
    {
      return module.Context.CurrentUser != null && UserIdentityExtensions.IsAuthenticated(module.Context.CurrentUser);
    }

    public static void RequireKatanaAuthOtherwiseNancyAuth(this INancyModule module)
    {
      ModuleExtensions.AddBeforeHookOrExecute(module, (Func<NancyContext, Response>) (ctx =>
      {
        IAuthenticationManager authenticationManager = NancyContextExtensions.GetAuthenticationManager(ctx, false);
        if (authenticationManager == null || authenticationManager.User == null || !authenticationManager.User.Identity.IsAuthenticated)
        {
          if (NancyModuleExtensions.HasAuthNancyUser(module))
            return (Response) null;
          return (Response) HttpStatusCode.Unauthorized;
        }
        ctx.CurrentUser = (IUserIdentity) new NancyPropertyCompassUserIdentity(authenticationManager.User);
        return (Response) null;
      }), "Requires MS Owin authentication");
    }
  }

  this.RequireKatanaAuthOtherwiseNancyAuth();

 var user = Context.CurrentUser;