fix(hosting): enable forwarded headers earlier

Author: winromulus

playground/Playground.Microservice.Api.Host/Program.cs

@@ -206,7 +206,7 @@
             .ReportApiVersions()
             .Build());
 
-    root.MapGet("test", async (IServiceProvider _) =>
+    root.MapGet("test", async (HttpContext context, IServiceProvider _) =>
     {
         //var dbContextFactory = serviceProvider.GetRequiredService<IDbContextFactory<SimpleDbContext>>();
         //await using var dbContext = await dbContextFactory.CreateDbContextAsync().ConfigureAwait(false);
@@ -230,7 +230,19 @@
         //var redisDatabase = redisMultiplexer.GetDatabase();
         //await redisDatabase.StringGetAsync("something");
         await Task.CompletedTask;
-        throw new Exception("Failed");
+        //throw new Exception("Failed");
+
+
+        var clientIp = context.Connection.RemoteIpAddress?.ToString();
+        var headers = context.Request.Headers;
+        return Results.Ok(new
+        {
+            Message = "Test successful",
+            ClientIp = clientIp,
+            ForwardedFor = headers["X-Forwarded-For"].ToString(),
+            ForwardedProto = headers["X-Forwarded-Proto"].ToString(),
+            ForwardedHost = headers["X-Forwarded-Host"].ToString()
+        });
     });
 
     //app.IgniteHealthChecksUi();

src/ES.FX.Ignite/Hosting/IgniteHostingExtensions.cs

@@ -153,6 +153,8 @@ public static IHost Ignite(this IHost host)
 
         if (host is WebApplication app)
         {
+            UseForwardedHeaders(app, settings.AspNetCore);
+
             if (settings.AspNetCore.UseExceptionHandler)
                 app.UseExceptionHandler();
 
@@ -163,7 +165,6 @@ public static IHost Ignite(this IHost host)
                 app.UseDeveloperExceptionPage();
 
             UseStandardMiddleware(app, settings.AspNetCore);
-            UseForwardedHeaders(app, settings.AspNetCore);
             UseHealthChecks(app, settings);
         }
 
@@ -174,14 +175,7 @@ private static void UseForwardedHeaders(WebApplication app, AspNetCoreSettings s
     {
         if (!settings.ForwardedHeadersEnabled) return;
 
-        var forwardingOptions = new ForwardedHeadersOptions
-        {
-            RequireHeaderSymmetry = false,
-            ForwardedHeaders = ForwardedHeaders.All,
-            ForwardLimit = null
-        };
-        forwardingOptions.KnownProxies.Clear();
-        app.UseForwardedHeaders(forwardingOptions);
+        app.UseForwardedHeaders();
     }
 
     private static void UseHealthChecks(WebApplication app, IgniteSettings settings)