fix: support X-Forwarded-Host with CODER_REDIRECT_TO_ACCESS_URL (coder#7035)

kylecarbs · web-flow · commit c68ab7d9a84b · 2023-04-06T12:07:24.000-05:00
Fixes coder#7026.
diff --git 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
