Using action parameters in custom Authorization Attribute in ASP.NET MVC3

Question

I have a controller which should only request authorization when loaded with specific parameters. Like when the parameter ID is 8 for example.

I came up with using a

Answer 1

If the id is passed as request parameter (GET or POST) or as a route data parameter:

protected override bool AuthorizeCore(HttpContextBase httpContext)
{
    // first look at routedata then at request parameter:
    var id = (httpContext.Request.RequestContext.RouteData.Values["id"] as string) 
             ??
             (httpContext.Request["id"] as string);
    if (id == "8")
    {
        return base.AuthorizeCore(httpContext);
    }
    return true;
}