From 3b05bbe4918a657640c3dd00fc0dc923d47906ff Mon Sep 17 00:00:00 2001
From: Stevan Freeborn <65925598+StevanFreeborn@users.noreply.github.com>
Date: Sat, 13 Apr 2024 12:57:37 -0500
Subject: [PATCH] fix: look for proxy headers first when building url for rss
 fed

---
 src/Blog/Program.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/Blog/Program.cs b/src/Blog/Program.cs
index 15a8d8a..05f5b87 100644
--- a/src/Blog/Program.cs
+++ b/src/Blog/Program.cs
@@ -27,7 +27,11 @@ app
   .MapGet("/rss", async (HttpContext context, IPostService postService) =>
   {
     var req = context.Request;
-    var url = $"{req.Scheme}://{req.Host}{req.PathBase}";
+
+    var scheme = req.Headers["X-Forwarded-Proto"].FirstOrDefault() ?? req.Scheme;
+    var host = req.Headers["X-Forwarded-Host"].FirstOrDefault() ?? req.Host.Value;
+
+    var url = $"{scheme}://{host}{req.PathBase}";
 
     var posts = await postService.GetPostsAsync();