0x01 背景 授权过滤器(IAuthorizationFilter)在认证过滤器(IAuthenticationFilter)之后,从命名来看AuthorizationFilter用于完成授权相关的工作 3.2 OnAuthorization 在MVC中所有的AuthorizationFilter实现了接口IAuthorizationFilter。 如下面的代码片断所示,IAuthorizationFilter定义了一个OnAuthorization方法用于实现授权的操作。 AuthorizeAttribute 微软MVC框架默认提供了AuthorizationFilter实现类AuthorizeAttribute,该类既继承了抽象类FilterAttribute又实现了IAuthorizationFilter OnAuthorization方法,首先我们在站点文件夹下添加一个名为 dotnetofAuthorizeFilter.aspx 的过滤器文件,创建MyAuthenticationFilter类继承 IAuthorizationFilter
4 操作过滤器 过滤器接口有 授权过滤器:public interface IAuthorizationFilter 动作过滤器:public interface IActionFilter 身份验证过滤器 public interface IResultFilter 1)AuthorizeAttribute public class AuthorizeAttribute : FilterAttribute, IAuthorizationFilter 2)ChildActionOnlyAttribute public sealed class ChildActionOnlyAttribute : FilterAttribute, IAuthorizationFilter
中] 目录 一、IAuthorizationFilter 二、AuthorizeAttribute 三、RequireHttpsAttribute 四、 ValidateInputAttribute 五、ValidateAntiForgeryTokenAttribute 六、ChildActionOnlyAttribute 一、IAuthorizationFilter 所有的AuthorizationFilter实现了接口IAuthorizationFilter。 如下面的代码片断所示,IAuthorizationFilter定义了一个OnAuthorization方法用于实现授权的操作。 1: public interface IAuthorizationFilter 2: { 3: void OnAuthorization(AuthorizationContext
{ //TODO: Additional tasks on the request } } Authorization Filters(授权过滤器) - ASP.NET MVC的授权过滤器实现了IAuthorizationFilter public interface IAuthorizationFilter { void OnAuthorization(AuthorizationContext filterContext); } AuthorizeAttribute提供了以下可重载的方法: public class AuthorizeAttribute : FilterAttribute, IAuthorizationFilter protected virtual HttpValidationStatus OnCacheAuthorization(HttpContextBase httpContext); } 所以,我们可以通过实现IAuthorizationFilter
errorMsg}"); //跳转指定的错误页面 context.ExceptionHandled = true; } } IAuthorizationFilter public class MyAuthorize : Attribute,IAuthorizationFilter { public void OnAuthorization
功能 实现动态切换语言,Demo 做了三种语言库可以切换,包括资源文件的定义,实体对象属性设置,后台代码Controller,IAuthorizationFilter,HtmlHelper的实现,做法比较简单易学易用 CultureFilter 这是关键 这是没有使用RouteData,通过修改url来保存当前语言要改的地方很多还要修改路由规则,所以我就用Cookies来保存 public class CultureFilter : IAuthorizationFilter
AuthorizationFilter的实现最好是派生自AuthorizeAttribute类,而不是派生IAuthorizationFilter 看看AuthorizetionAttribute的实现
以下内容抄自博客园: .net Mvc 过滤器执行顺序: IAuthorizationFilter(OnAuthorization)----->IActionFilter(OnActionExecuting
ValidateAntiForgeryToken] Attribute The ValidateAntiForgeryToken Attribute in the ASP.NET MVC Framework is an IAuthorizationFilter
AllowMultiple = false, Inherited = true)] public class RequestFormSizeLimitAttribute : Attribute, IAuthorizationFilter
_AllAdminModule = result; } 2.使用过滤器拦截请求进行验证 新建特性标记 AdminAuthorizeAttribute 继承Attribute类以及实现IAuthorizationFilter ↓ 权限验证过滤器:AdminAuthorizeAttribute //后台权限验证 public class AdminAuthorizeAttribute : Attribute,IAuthorizationFilter
ASP.NET MVC提供了四种类型的筛选器(AuthorizationFilter、ActionFilter、ResultFilter和ExceptionFilter),它们对应着相应的筛选器接口(IAuthorizationFilter 0, 16: Global = 10, 17: Last = 100 18: } 注:由于System.Web.Mvc.Filter和实现了IAuthorizationFilter 如下面的代码片断所示,抽象类Controller实现了IActionFilter、IAuthorizationFilter、IExceptionFilter和IResultFilter这四个对应着不同筛选器类型的接口 1: public abstract class Controller : ControllerBase, 2: IActionFilter, 3: IAuthorizationFilter
AttributeTargets.Method)] public class AjaxValidateAntiForgeryTokenAttribute : FilterAttribute, IAuthorizationFilter ValidateAntiForgeryTokenAttribute继承IAuthorizationFilter,那就在AuthorizeAttribute里做统一处理吧。
AttributeTargets.Method)] public class AjaxValidateAntiForgeryTokenAttribute : FilterAttribute, IAuthorizationFilter ValidateAntiForgeryTokenAttribute继承IAuthorizationFilter,那就在AuthorizeAttribute里做统一处理吧。
扩展授权过滤器 扩展授权过滤器可以定义继承自AuthorizeAttribute的类,也可以定义同时继承自FilterAttribute, IAuthorizationFilter接口的类。 AttributeTargets.Method, Inherited = true, AllowMultiple = true)] public class AuthorizeAttribute : FilterAttribute, IAuthorizationFilter
AuthorizationFilter,实现IAuthorizationFilter的OnAuthoration方法用于实现授权操作,成功后继续Action后续工作(Model绑定,验证,Action的执行 它所对应的几个实现IAuthorizationFilter接口的如下表所示: 类型 简述与例子 AuthrizeAttribute 多个Authorize特性间是"逻辑与"得关系,如下代码任何用户均无法访问
State.AuthorizationNext: 17 { 18 var current = _cursor.GetNextFilter<IAuthorizationFilter = null); 95 96 var filter = (IAuthorizationFilter)state; 97 FilterTypeConstants.AuthorizationFilter, 102 nameof(IAuthorizationFilter.OnAuthorization FilterTypeConstants.AuthorizationFilter, 110 nameof(IAuthorizationFilter.OnAuthorization
ActionFilterAttribute 在动作方法之前及之后执行 Result IResultFilter ActionFilterAttribute 在动作结果被执行之前和之后执行 AuthorizationFilter IAuthorizationFilter
Filters 在ASP.NET MVC5中有常用的过滤器有5个:IAuthenticationFilter、IAuthorizationFilter、IActionFilter、IResultFilter
ASP.NET MVC Framework支持四种不同类型的Filter: Authorization filters – 实现IAuthorizationFilter接口的属性.