AppHarbor URL handling

AppHarborHttpContextWrapper.cs

using System.Web;

namespace NetflixDemo
{
    public class AppHarborHttpContextWrapper : HttpContextWrapper
    {
        private readonly HttpContext httpContext;

        public AppHarborHttpContextWrapper(HttpContext httpContext) : base(httpContext)
        {
            this.httpContext = httpContext;
        }

        public override HttpRequestBase Request
        {
            get { return new AppHarborRequestWrapper(httpContext.Request); }
        }
    }
}

AppHarborRequestWrapper.cs

using System;
using System.Web;

namespace NetflixDemo
{
    class AppHarborRequestWrapper : HttpRequestWrapper
    {
        private readonly HttpRequest httpRequest;

        public AppHarborRequestWrapper(HttpRequest httpRequest) : base(httpRequest)
        {
            this.httpRequest = httpRequest;
        }

        public override Uri Url
        {
            get
            {
                var builder = new UriBuilder
                                  {
                                      Scheme = httpRequest.Url.Scheme,
                                      Host = httpRequest.Url.Host,
                                      Port = 80,
                                      Path = httpRequest.Url.AbsolutePath,
                                      Fragment = httpRequest.Url.Fragment,
                                      Query = httpRequest.Url.Query.Replace("?", "")
                                  };

                var forwardedProtocol = httpRequest.Headers["X-Forwarded-Proto"];
                if (!String.IsNullOrEmpty(forwardedProtocol))
                    builder.Scheme = forwardedProtocol;

                if (builder.Scheme == "https")
                    builder.Port = 443;

                if (httpRequest.IsLocal)
                    builder.Port = httpRequest.Url.Port;

                return builder.Uri;
            }
        }
    }
}

HomeController.cs

using System.Web.Mvc;
using System.Web.Routing;

namespace NetflixDemo.Controllers
{
    public class HomeController : Controller
    {
        public ActionResult Index()
        {
            return View();
        }

        public ActionResult About()
        {
            return View();
        }

        protected override void Initialize(RequestContext requestContext)
        {
            base.Initialize(new RequestContext(new AppHarborHttpContextWrapper(System.Web.HttpContext.Current), requestContext.RouteData));
        }
    }
}