src/ZKEACMS/Filter/WidgetAttribute.cs

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/* http://www.zkea.net/ 
 * Copyright (c) ZKEASOFT. All rights reserved. 
 * http://www.zkea.net/licenses */

using Easy.Extend;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.ActionConstraints;
using Microsoft.AspNetCore.Mvc.Filters;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Net.Http.Headers;
using System;
using System.Linq;
using ZKEACMS.Event;
using ZKEACMS.Layout;
using ZKEACMS.Page;
using ZKEACMS.Rule;
using ZKEACMS.Setting;
using ZKEACMS.Theme;
using ZKEACMS.Widget;
using ZKEACMS;
using System.IO;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Logging;

namespace ZKEACMS.Filter
{
    public class WidgetAttribute : ActionFilterAttribute, IActionFilter, IActionConstraint
    {
        private const string UnknownZone = "UnknownZone";
        public virtual PageEntity GetPage(ActionExecutedContext filterContext)
        {
            string path = filterContext.RouteData.GetPath();
            bool isPreView = IsPreView(filterContext);
            using (var pageService = filterContext.HttpContext.RequestServices.GetService<IPageService>())
            {
                //if (!filterContext.HttpContext.User.Identity.IsAuthenticated && !isPreView && GetPageViewMode() == PageViewMode.Publish)
                //{
                //    filterContext.HttpContext.Response.GetTypedHeaders().CacheControl = new CacheControlHeaderValue()
                //    {
                //        Public = true,
                //        MaxAge = TimeSpan.FromHours(1)
                //    };
                //    //filterContext.HttpContext.Response.Headers[HeaderNames.Vary] = new string[] { "Accept-Encoding" };
                //}
                if (isPreView)
                {
                    filterContext.HttpContext.Response.GetTypedHeaders().CacheControl = new CacheControlHeaderValue()
                    {
                        NoCache = true,
                        NoStore = true
                    };
                }
                return pageService.GetByPath(path, isPreView);
            }

        }
        private bool IsPreView(FilterContext filterContext)
        {
            bool isPreView = false;