add cors composer

Wmca.Web/Composers/CorsComposer.cs

@@ -0,0 +1,18 @@
+using Umbraco.Cms.Core.Composing;
+using Umbraco.Cms.Web.Common.ApplicationBuilder;
+
+public class CorsComposer : IComposer
+{
+    public const string AllowAnyOriginPolicyName = nameof(AllowAnyOriginPolicyName);
+
+    public void Compose(IUmbracoBuilder builder)
+        => builder.Services
+        .AddCors(options => options.AddPolicy(AllowAnyOriginPolicyName, policy => policy.AllowAnyOrigin()))
+        .Configure<UmbracoPipelineOptions>(options => options.AddFilter(new UmbracoPipelineFilter("Cors", postRouting: app => app.UseCors())))
+        // For testing only
+        .Configure<UmbracoPipelineOptions>(options => options.AddFilter(new UmbracoPipelineFilter("CorsTest", endpoints: app => app.UseEndpoints(endpoints =>
+        {
+            endpoints.MapGet("/echo", context => context.Response.WriteAsync("echo")).RequireCors(AllowAnyOriginPolicyName);
+            endpoints.MapGet("/echo2", context => context.Response.WriteAsync("echo2"));
+        }))));
+}

Wmca.Web/Program.cs

@@ -18,29 +18,12 @@
 #endif
 
 app.UseUmbraco()
-    // .WithMiddleware(u =>
-    // {
-    //     u.UseBackOffice();
-    //     u.UseWebsite();
-    // })
-    .WithCustomMiddleware(u =>
+    .WithMiddleware(u =>
     {
         u.RunPrePipeline();
-
-        u.UseUmbracoCoreMiddleware();
-        u.AppBuilder.UseUmbracoMediaFileProvider();
-        u.AppBuilder.UseStaticFiles();
-        u.AppBuilder.UseUmbracoPluginsStaticFiles();
-        u.AppBuilder.UseRouting();
-        // u.AppBuilder.UseCors(MyAllowSpecificOrigins);
-        u.AppBuilder.UseAuthentication();
-        u.AppBuilder.UseAuthorization();
-        u.AppBuilder.UseRequestLocalization();
-        u.AppBuilder.UseSession();
-
         u.RunPreRouting();
-        u.RunPostRouting();
         u.RunPostPipeline();
+        u.RunPostRouting();
         u.UseBackOffice();
         u.UseWebsite();
     })