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Change Cache-Control header when cache buster value is present

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This commit is contained in:
Ronald Barendse
2021-10-12 11:13:54 +02:00
parent d22297270b
commit 25d3fc90ac
1 changed files with 20 additions and 0 deletions
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20
src/Umbraco.Web.Common/DependencyInjection/UmbracoBuilder.ImageSharp.cs
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@@ -1,8 +1,10 @@
using System.Collections.Generic;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Http;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;
using Microsoft.Net.Http.Headers;
using SixLabors.ImageSharp.Web.Caching;
using SixLabors.ImageSharp.Web.Commands;
using SixLabors.ImageSharp.Web.DependencyInjection;
@@ -48,6 +50,24 @@ namespace Umbraco.Extensions
context.Commands.Remove(ResizeWebProcessor.Height);
}
return Task.CompletedTask;
};
options.OnBeforeSaveAsync = _ => Task.CompletedTask;
options.OnProcessedAsync = _ => Task.CompletedTask;
options.OnPrepareResponseAsync = context =>
{
// Change Cache-Control header when cache buster value is present
if (context.Request.Query.ContainsKey("rnd"))
{
var headers = context.Response.GetTypedHeaders();
var cacheControl = headers.CacheControl;
cacheControl.MustRevalidate = false;
cacheControl.Extensions.Add(new NameValueHeaderValue("immutable"));
headers.CacheControl = cacheControl;
}
return Task.CompletedTask;
};
})