How to develop action filter controller or action method specific - asp.net-mvc-3

Question

i was trying to develop a custom action filter which will check cookie is enable or not. if cookie is not enable then redirect use to a specific error page.here is my code.
public class CheckCookieAttribute : FilterAttribute, IActionFilter
{
public string prmAction{get;set;}
public string prmController{get;set;}
public void OnActionExecuting(ActionExecutingContext filterContext)
{
if(filterContext.HttpContext.Request.Cookie["YourCookie"]==null)
{
filterContext.Result = controller.RedirectToAction(prmAction,prmController)
}
}
public void OnActionExecuted(ActionExecutedContext filterContext)
{
//The action filter logic - after
}
}
now i am using like
[CheckCookie(prmAction="MyAction",prmController="MyController")]
due to lack of good knowledge i am not being able to develop attribute driven check for cookie enable or disable.
i want to develop a code in such a way as a result i should not pass any controller name or action name. i like to use code like
[HttpPost]
[CheckCookieAttribute]
public ActionResult Save(Person oPerson)
{
return View();
}
[CheckCookieAttribute]
public class HomeController : Controller
{
public ActionResult Index()
{return View();}
public ActionResult About()
{return View();}
}
}
where i will not provide any name of controller or action name. just guide me what i need to change in my code. thanks

Answer 1

It seems that what you are trying to accomplish is already built into ASP.NET MVC.
I would use the [Authorize] attribute (http://msdn.microsoft.com/en-us/library/system.web.mvc.authorizeattribute(v=vs.108).aspx) where you want to check if the user has a cookie.
If you want to redirect the user to a specific controller/action when the user is not authorized, you can use the following attribute instead:
public class AuthorizeUserAttribute : AuthorizeAttribute
{
protected override void HandleUnauthorizedRequest(AuthorizationContext filterContext)
{
filterContext.Result = new RedirectToRouteResult(
new RouteValueDictionary(
new
{
controller = "Error",
action = "Unauthorized"
})
);
}
}
See ASP.NET MVC 4 Custom Authorize Attribute with Permission Codes (without roles)
Then you would use it by using:
[HttpPost]
[AuthorizeUser]
public ActionResult Save(Person oPerson)
{
return View();
}
Or if you want exactly what you asked for you can do it this way:
public class CheckCookieAttribute : ActionFilterAttribute, IActionFilter
{
public override void OnActionExecuting(ActionExecutingContext filterContext)
{
if (filterContext.HttpContext.Request.Cookies["YourCookie"] == null)
{
filterContext.Result = new RedirectToRouteResult(new RouteValueDictionary { {"controller", "MyController"}, {"action", "MyAction"}});
}
else
{
base.OnActionExecuting(filterContext);
}
}
public void OnActionExecuted(ActionExecutedContext filterContext)
{
//The action filter logic - after
}
}