Add support for more APIs on HttpCachePolicy (#584)

Fixes #507

Author: twsouthwick

src/Microsoft.AspNetCore.SystemWebAdapters.CoreServices/SetDefaultResponseHeadersMiddleware.cs renamed to src/Microsoft.AspNetCore.SystemWebAdapters.CoreServices/CachePolicyMiddleware.cs

@@ -6,30 +6,27 @@
 
 namespace Microsoft.AspNetCore.SystemWebAdapters;
 
-/// <summary>
-/// System.Web would set some response headers by default. This adds those early in the pipeline so they can still be overridden. If they exist, they will not be replaced.
-/// </summary>
-internal class SetDefaultResponseHeadersMiddleware
+internal sealed class CachePolicyMiddleware(RequestDelegate next)
 {
-    private readonly RequestDelegate _next;
-
-    public SetDefaultResponseHeadersMiddleware(RequestDelegate next) => _next = next;
-
     public Task InvokeAsync(HttpContext context)
     {
         context.Response.OnStarting(static state =>
         {
             var context = (HttpContext)state;
 
             WriteDefaultContentType(context);
-            context.Response.AsSystemWeb().Cache.UpdateHeaders();
+
+            context.Response.AsSystemWeb().ApplyCachePolicy();
 
             return Task.CompletedTask;
         }, context);
 
-        return _next(context);
+        return next(context);
     }
 
+    /// <summary>
+    /// System.Web would set some response headers by default. This adds those early in the pipeline so they can still be overridden. If they exist, they will not be replaced.
+    /// </summary>
     private static void WriteDefaultContentType(HttpContext context)
     {
         if (context.Response.ContentLength.HasValue && context.Response.Headers.ContentType.Count == 0)

src/Microsoft.AspNetCore.SystemWebAdapters.CoreServices/SystemWebAdaptersExtensions.cs

@@ -71,7 +71,7 @@ internal static void UseSystemWebAdapterFeatures(this IApplicationBuilder app)
 
         app.UseMiddleware<PreBufferRequestStreamMiddleware>();
         app.UseMiddleware<BufferResponseStreamMiddleware>();
-        app.UseMiddleware<SetDefaultResponseHeadersMiddleware>();
+        app.UseMiddleware<CachePolicyMiddleware>();
         app.UseMiddleware<SingleThreadedRequestMiddleware>();
         app.UseMiddleware<CurrentPrincipalMiddleware>();
 

src/Microsoft.AspNetCore.SystemWebAdapters/Generated/Ref.Standard.cs

@@ -31,7 +31,10 @@
 [assembly:System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.Web.HttpCachePolicy))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.Web.HttpCachePolicyBase))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.Web.HttpCachePolicyWrapper))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.Web.HttpCacheRevalidation))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.Web.HttpCacheVaryByContentEncodings))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.Web.HttpCacheVaryByHeaders))]
+[assembly:System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.Web.HttpCacheVaryByParams))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.Web.HttpContext))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.Web.HttpContextBase))]
 [assembly:System.Runtime.CompilerServices.TypeForwardedTo(typeof(System.Web.HttpContextWrapper))]