33 lines
993 B
C#
33 lines
993 B
C#
using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc.Filters;
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using Microsoft.Net.Http.Headers;
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namespace zero.Mvc;
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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 context)
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{
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base.OnResultExecuting(context);
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var httpResponse = context.HttpContext.Response;
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if (httpResponse.StatusCode != 200) return;
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httpResponse.GetTypedHeaders().CacheControl =
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new CacheControlHeaderValue()
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{
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NoCache = true,
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MaxAge = TimeSpan.Zero,
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MustRevalidate = true,
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NoStore = true
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};
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httpResponse.Headers[HeaderNames.LastModified] = DateTime.Now.ToString("R"); // Format RFC1123
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httpResponse.Headers[HeaderNames.Pragma] = "no-cache";
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httpResponse.Headers[HeaderNames.Expires] = new DateTime(1990, 1, 1, 0, 0, 0).ToString("R");
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}
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} |