这适用于使用我的AuthorizeAttribute修饰的控制器/操作,但是,对于不需要身份验证的控制器(但如果它在那里仍然使用它),我想得到我的CustomPrincipal(最好是通过HttpContext.User) ).
在这些非装饰的控制器/动作中,设置了HttpContext.User,但是使用了GenericPrincipal而不是我的CustomPrincipal.将GepertPrincipal的HttpContext.User的默认设置“覆盖”的最佳位置在哪里?
同样,如果在每个具有auth cookie的请求中完成此操作,那么在AuthorizeAttribute修饰控制器的情况下,我将如何避免两次执行该工作(这将成为强制认证的控制器).
为了清楚起见,我的网站允许匿名用户访问,但在这些页面上,如果经过身份验证(并实现了CustomPrincipal),则会提供额外的功能.
我认为有些选择(不一定是我的每个背后的逻辑):
>使用会话(并处理逻辑来创建我需要的东西,忘记校长)
> Application_AuthenticateRequest – 在网上看到这是旧学校的评论
>在基本控制器上设置自定义过滤器
>在基本控制器上创建一个AuthorizationAttribute,让每个人都能通过并设置HttpContext.User,因为我想要它
> IHttpModule – 这似乎是一种下降方式(除非其他人不同意,否则沿着这条路走下去).
思考?
解决方法
public class MyPrincipal : GenericPrincipal { public MyPrincipal(IIdentity identity,string[] roles): base(identity,roles) { } ... some custom properties and stuff }
然后你可以编写一个全局授权操作过滤器(但是它不是从基础AuthorizeAttribute派生来避免全局认证,它只是实现IAuthorizationFilter接口以确保它在任何其他过滤器之前运行):
public class GlobalIdentityInjector : ActionFilterAttribute,IAuthorizationFilter { public void OnAuthorization(AuthorizationContext filterContext) { var identity = filterContext.HttpContext.User.Identity; // do some stuff here and assign a custom principal: var principal = new MyPrincipal(identity,null); // here you can assign some custom property that every user // (even the non-authenticated have) // set the custom principal filterContext.HttpContext.User = principal; } }
全局过滤器将在〜/ App_Start / FilterConfig.cs中注册,以确保它将应用于所有操作:
public class FilterConfig { public static void RegisterGlobalFilters(GlobalFilterCollection filters) { filters.Add(new GlobalIdentityInjector()); } }
现在,您可以拥有自定义授权属性,该属性仅应用于需要身份验证的某些控制器操作:
public class MyAuthorizeAttribute : AuthorizeAttribute { protected override bool AuthorizeCore(HttpContextBase httpContext) { var authorized = base.AuthorizeCore(httpContext); if (!authorized) { return false; } // we know that at this stage we have our custom // principal injected by the global action filter var myPrincipal = (MyPrincipal)httpContext.User; // do some additional work here to enrich this custom principal // by setting some other properties that apply only to // authenticated users return true; } }
然后你可以有两种类型的动作:
public ActionResult Foo() { var user = (MyPrincipal)User; // work with the custom properties that apply only // to anonymous users ... } [MyAuthorize] public ActionResult Bar() { var user = (MyPrincipal)User; // here you can work with all the properties // because we know that the custom authorization // attribute set them and the global filter set the other properties ... }