39 lines
1.5 KiB
C#
39 lines
1.5 KiB
C#
using System;
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using System.Web;
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using System.Web.Mvc;
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namespace Umbraco.Web.Mvc
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{
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/// <summary>
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/// Ensures that the request is not cached by the browser
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/// </summary>
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public class DisableBrowserCacheAttribute : ActionFilterAttribute
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{
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public override void OnResultExecuting(ResultExecutingContext filterContext)
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{
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base.OnResultExecuting(filterContext);
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// could happens if exception (but afaik this wouldn't happen in MVC)
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if (filterContext.HttpContext == null || filterContext.HttpContext.Response == null ||
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filterContext.HttpContext.Response.Cache == null)
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{
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return;
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}
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if (filterContext.IsChildAction)
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{
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return;
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}
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filterContext.HttpContext.Response.Cache.SetLastModified(DateTime.Now);
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filterContext.HttpContext.Response.Cache.SetValidUntilExpires(false);
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filterContext.HttpContext.Response.Cache.SetCacheability(HttpCacheability.NoCache);
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filterContext.HttpContext.Response.Cache.SetMaxAge(TimeSpan.Zero);
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filterContext.HttpContext.Response.Cache.SetRevalidation(HttpCacheRevalidation.AllCaches);
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filterContext.HttpContext.Response.Cache.SetNoStore();
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filterContext.HttpContext.Response.AddHeader("Pragma", "no-cache");
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filterContext.HttpContext.Response.Cache.SetExpires(new DateTime(1990, 1, 1, 0, 0, 0));
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}
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}
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}
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