From ba835a7ee2b57728c6843336c1bd79ddabeda8a9 Mon Sep 17 00:00:00 2001
From: Daniel Lando <daniel.sorridi@gmail.com>
Date: Thu, 5 Oct 2023 10:08:54 +0200
Subject: [PATCH] fix: issue when header not present in request

cc @kpine
---
 app.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app.ts b/app.ts
index a507fbb88d..8d31703eaf 100644
--- a/app.ts
+++ b/app.ts
@@ -554,7 +554,7 @@ const redirectPaths = [
 app.use('/', (req, res, next) => {
 	if (redirectPaths.includes(req.originalUrl)) {
 		// get path when running behind a proxy
-		const path = req.header('X-External-Path').replace(/\/$/, '')
+		const path = req.header('X-External-Path')?.replace(/\/$/, '') ?? ''
 
 		res.redirect(`${path}/#${req.originalUrl}`)
 	} else {