From c68ab7d9a84b57ca03f39829b7954e62be1acdaf Mon Sep 17 00:00:00 2001
From: Kyle Carberry <kyle@coder.com>
Date: Thu, 6 Apr 2023 12:07:24 -0500
Subject: [PATCH] fix: support `X-Forwarded-Host` with
 `CODER_REDIRECT_TO_ACCESS_URL` (#7035)

Fixes #7026.
---
 cli/server.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/cli/server.go b/cli/server.go
index c66ec6f625..8ecdc1dfe7 100644
--- a/cli/server.go
+++ b/cli/server.go
@@ -1729,6 +1729,11 @@ func redirectToAccessURL(handler http.Handler, accessURL *url.URL, tunnel bool,
 			return
 		}
 
+		if r.Header.Get("X-Forwarded-Host") == accessURL.Host {
+			handler.ServeHTTP(w, r)
+			return
+		}
+
 		if appHostnameRegex != nil && appHostnameRegex.MatchString(r.Host) {
 			handler.ServeHTTP(w, r)
 			return