public class CustomAllowAnonymousAttribute : Attribute{}

[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method)]
public class CustomAuthorizeAttribute : AuthorizeAttribute
{private Logger logger = new Logger(typeof(CustomAuthorizeAttribute));private string _LoginUrl = null;public CustomAuthorizeAttribute(string loginUrl = "~/Home/Login"){this._LoginUrl = loginUrl;}//public CustomAuthorizeAttribute(ICompanyUserService service)//{//}//不行public override void OnAuthorization(AuthorizationContext filterContext){var httpContext = filterContext.HttpContext;//能拿到httpcontext 就可以为所欲为if (filterContext.ActionDescriptor.IsDefined(typeof(CustomAllowAnonymousAttribute), true)){return;}else if (filterContext.ActionDescriptor.ControllerDescriptor.IsDefined(typeof(CustomAllowAnonymousAttribute), true)){return;}else if (httpContext.Session["CurrentUser"] == null|| !(httpContext.Session["CurrentUser"] is CurrentUser))//为空了，
        {//这里有用户，有地址 其实可以检查权限if (httpContext.Request.IsAjaxRequest())//httpContext.Request.Headers["xxx"].Equals("XMLHttpRequst")
            {filterContext.Result = new NewtonJsonResult(new AjaxResult(){Result = DoResult.OverTime,DebugMessage = "登陆过期",RetValue = ""});}else{httpContext.Session["CurrentUrl"] = httpContext.Request.Url.AbsoluteUri;filterContext.Result = new RedirectResult(this._LoginUrl);//短路器：指定了Result，那么请求就截止了，不会执行action
            }}else{CurrentUser user = (CurrentUser)httpContext.Session["CurrentUser"];//this.logger.Info($"{user.Name}登陆了系统");return;//继续
        }//base.OnAuthorization(filterContext);
    }
}

public virtual bool InvokeAction(ControllerContext controllerContext, string actionName){if (controllerContext == null){throw new ArgumentNullException("controllerContext");}if (string.IsNullOrEmpty(actionName) && !controllerContext.RouteData.HasDirectRouteMatch()){throw new ArgumentException(MvcResources.Common_NullOrEmpty, "actionName");}ControllerDescriptor controllerDescriptor = this.GetControllerDescriptor(controllerContext);ActionDescriptor actionDescriptor = this.FindAction(controllerContext, controllerDescriptor, actionName);if (actionDescriptor != null){FilterInfo filters = this.GetFilters(controllerContext, actionDescriptor);try{AuthenticationContext authenticationContext = this.InvokeAuthenticationFilters(controllerContext, filters.AuthenticationFilters, actionDescriptor);if (authenticationContext.Result != null){AuthenticationChallengeContext authenticationChallengeContext = this.InvokeAuthenticationFiltersChallenge(controllerContext, filters.AuthenticationFilters, actionDescriptor, authenticationContext.Result);this.InvokeActionResult(controllerContext, authenticationChallengeContext.Result ?? authenticationContext.Result);}else{AuthorizationContext authorizationContext = this.InvokeAuthorizationFilters(controllerContext, filters.AuthorizationFilters, actionDescriptor);if (authorizationContext.Result != null){AuthenticationChallengeContext authenticationChallengeContext2 = this.InvokeAuthenticationFiltersChallenge(controllerContext, filters.AuthenticationFilters, actionDescriptor, authorizationContext.Result);this.InvokeActionResult(controllerContext, authenticationChallengeContext2.Result ?? authorizationContext.Result);}else{if (controllerContext.Controller.ValidateRequest){ControllerActionInvoker.ValidateRequest(controllerContext);}IDictionary<string, object> parameterValues = this.GetParameterValues(controllerContext, actionDescriptor);ActionExecutedContext actionExecutedContext = this.InvokeActionMethodWithFilters(controllerContext, filters.ActionFilters, actionDescriptor, parameterValues);AuthenticationChallengeContext authenticationChallengeContext3 = this.InvokeAuthenticationFiltersChallenge(controllerContext, filters.AuthenticationFilters, actionDescriptor, actionExecutedContext.Result);this.InvokeActionResultWithFilters(controllerContext, filters.ResultFilters, authenticationChallengeContext3.Result ?? actionExecutedContext.Result);}}}catch (ThreadAbortException){throw;}catch (Exception exception){ExceptionContext exceptionContext = this.InvokeExceptionFilters(controllerContext, filters.ExceptionFilters, exception);if (!exceptionContext.ExceptionHandled){throw;}this.InvokeActionResult(controllerContext, exceptionContext.Result);}return true;}return false;}

View Code

 public class CustomHandleErrorAttribute : HandleErrorAttribute{private Logger logger = new Logger(typeof(CustomHandleErrorAttribute));/// <summary>/// 会在异常发生后，跳转到这个方法/// </summary>/// <param name="filterContext"></param>public override void OnException(ExceptionContext filterContext){var httpContext = filterContext.HttpContext;//"为所欲为"if (!filterContext.ExceptionHandled)//没有被别的HandleErrorAttribute处理
         {this.logger.Error($"在响应 {httpContext.Request.Url.AbsoluteUri} 时出现异常，信息：{filterContext.Exception.Message}");//
             if (httpContext.Request.IsAjaxRequest()){filterContext.Result = new NewtonJsonResult(new AjaxResult(){Result = DoResult.Failed,DebugMessage = filterContext.Exception.Message,RetValue = "",PromptMsg = "发生错误，请联系管理员"});}else{filterContext.Result = new ViewResult()//短路器
                 {ViewName = "~/Views/Shared/Error.cshtml",ViewData = new ViewDataDictionary<string>(filterContext.Exception.Message)};}filterContext.ExceptionHandled = true;//已经被我处理了
         }}}

 public class MvcApplication : System.Web.HttpApplication{private Logger logger = new Logger(typeof(MvcApplication));protected void Application_Start(){AreaRegistration.RegisterAllAreas();//注册区域FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);//注册全局的FilterRouteConfig.RegisterRoutes(RouteTable.Routes);//注册路由BundleConfig.RegisterBundles(BundleTable.Bundles);//合并压缩 ，打包工具 CombresControllerBuilder.Current.SetControllerFactory(new ElevenControllerFactory());this.logger.Info("网站启动了。。。");}/// <summary>/// 全局式的异常处理，可以抓住漏网之鱼/// </summary>/// <param name="sender"></param>/// <param name="e"></param>protected void Application_Error(object sender, EventArgs e){Exception excetion = Server.GetLastError();this.logger.Error($"{base.Context.Request.Url.AbsoluteUri}出现异常");Response.Write("System is Error....");Server.ClearError();//Response.Redirect//base.Context.RewritePath("/Home/Error?msg=")}

 public class CompressActionFilterAttribute : ActionFilterAttribute{public override void OnActionExecuting(ActionExecutingContext filterContext){//foreach (var item in filterContext.ActionParameters)//{//    //参数检测  敏感词过滤//}  var request = filterContext.HttpContext.Request;var respose = filterContext.HttpContext.Response;string acceptEncoding = request.Headers["Accept-Encoding"];//检测支持格式if (!string.IsNullOrWhiteSpace(acceptEncoding) && acceptEncoding.ToUpper().Contains("GZIP")){respose.AddHeader("Content-Encoding", "gzip");//响应头指定类型respose.Filter = new GZipStream(respose.Filter, CompressionMode.Compress);//压缩类型指定
         }}}public class LimitActionFilterAttribute : ActionFilterAttribute{private int _Max = 0;public LimitActionFilterAttribute(int max = 1000){this._Max = max;}public override void OnActionExecuting(ActionExecutingContext filterContext){string key = $"{filterContext.RouteData.Values["Controller"]}_{filterContext.RouteData.Values["Action"]}";//CacheManager.Add(key,) 存到缓存key 集合 时间  filterContext.Result = new JsonResult(){Data = new { Msg = "超出频率" }};}}