Set X-Away-Id on response

examples/forgejo.yml

@@ -116,8 +116,6 @@ challenges:
   # Challenges with a redirect via Link header with rel=preload and early hints (non-JS, requires HTTP parsing, fetching and logic)
   # Works on HTTP/2 and above!
   self-preload-link:
-    # doesn't seem to work reliably on other stuff that firefox
-    # userAgent.contains("Firefox/") &&
     condition: '"Sec-Fetch-Mode" in headers && headers["Sec-Fetch-Mode"] == "navigate"'
     mode: "preload-link"
     runtime:

lib/http.go

@@ -457,6 +457,11 @@ func (state *State) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	}
 
 	r.Header.Set("X-Away-Id", hex.EncodeToString(data.Id[:]))
+	w.Header().Set("X-Away-Id", hex.EncodeToString(data.Id[:]))
+
+	// send these to client so we consistently get the headers
+	//w.Header().Set("Accept-CH", "Sec-CH-UA, Sec-CH-UA-Platform")
+	//w.Header().Set("Critical-CH", "Sec-CH-UA, Sec-CH-UA-Platform")
 
 	r = r.WithContext(context.WithValue(r.Context(), "_goaway_data", &data))