如何从FilterAttribute中获取当前的网址？ [英] How do I get the current Url from within a FilterAttribute?

问题描述

我正在编写一个Authorize过滤器属性，但在弄清楚如何将当前网址作为字符串获取时遇到了麻烦，因此我可以将其作为参数传递给LogOn操作。目的是如果用户成功登录，他们将被重定向到他们最初尝试访问的页面。

I am writing an Authorize filter attribute adn I'm having trouble figuring out how to get the current url as a string so I can pass it as a parameter to the LogOn action. The goal is that if a user successfully logs on, they will be redirected to the page they were originally trying to access.

public override void OnAuthorization(AuthorizeContext filterContext)
{
    base.OnAuthorization(filterContext);

    ... my auth code ...
    bool isAuth ;
    ... my auth code ...

    if(!isAuth)
    {
        filterContext.Result = new RedirectToRouteResult(
            new RouteValueDictionary { 
                { "Area", "" }, 
                { "Controller", "Account" }, 
                { "Action", "LogOn" },
                { "RedirectUrl", "/Url/String/For/Currnt/Request" } // how do I get this?
            }
        );
    }
}

如何从当前字符串中获取完整的字符串Url

How do I get the full string Url from the current request?

推荐答案

尝试：

var url = filterContext.HttpContext.Request.Url;

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