From 3a06dfd3262207b3a21e7b847d71da877e38e414 Mon Sep 17 00:00:00 2001
From: Nathan Friedly <nathan@nfriedly.com>
Date: Wed, 20 Dec 2023 17:09:46 -0500
Subject: [PATCH] fix x-forwarded-proto usage

---
 lib/unblocker.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/unblocker.js b/lib/unblocker.js
index 996da7a1..1690cbb5 100644
--- a/lib/unblocker.js
+++ b/lib/unblocker.js
@@ -167,7 +167,9 @@ function Unblocker(config) {
     // default to express's more advanced version of this when available (handles X-Forwarded-Protocol headers)
     const proto =
       request.protocol ||
-      request.headers["X-Forwarded-Protocol"] ||
+      request.headers["x-forwarded-protocol"] ||
+      request.headers["x-forwarded-proto"] ||
+      request.headers["x-forwarded-scheme"] ||
       (request.connection.encrypted ? "https" : "http");
     return proto + "://" + thisHost(request) + config.prefix;
   }