生成具有自定义AuthorizeAttribute传回网址 [英] Generate a return Url with a custom AuthorizeAttribute

问题描述

我有一个自定义属性授权：

I have a custom authorize attribute:

using System;
using System.Web.Mvc;
using System.Web.Routing;
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = true, AllowMultiple = true)]
public class MyAuthorizeAttribute : AuthorizeAttribute
{
    protected override void HandleUnauthorizedRequest(AuthorizationContext filterContext)
    {
        if (!filterContext.HttpContext.Request.IsAuthenticated)
        {
            filterContext.Result = new RedirectToRouteResult(new RouteValueDictionary(new { controller = "Login", action = "Login" }));
        }
        else
        {
            base.HandleUnauthorizedRequest(filterContext);
        }
    }
}

...我用来装点某些控制器：

...that I use to decorate certain controllers:

[MyAuthorizeAttribute(Roles = "Superman, Batman, Spiderman")]
public class SuperHeroController : Controller
{
    // ....
}

任何人都可以请解释如何修改授权code，这样，如果授权失败，登录URL包括 RETURNURL （电流控制器/方法的URL） ？

Can anyone please explain how to amend the authorize code so that if authorization fails, the Login URL includes a ReturnUrl (URL of the current controller/method)?

这基本上是试图模仿Web窗体RETURNURL逻辑，但在智能方式使得我不必手动使用字符串的URL。

This is basically trying to imitate the web forms ReturnUrl logic but in a smart manner whereby I don't have to manually use a string for the URL.

推荐答案

终于想通了，虽然有人可能能够提出一个更好的办法...

Finally figured it out, although somebody might be able to suggest a better way...

filterContext.Result = new RedirectToRouteResult(new RouteValueDictionary(new { controller = "Login", action = "Login", returnUrl = filterContext.HttpContext.Request.Url.GetComponents(UriComponents.PathAndQuery, UriFormat.SafeUnescaped) }));

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