From 082a751ffec85601cbc66d218d5ebf638f664edb Mon Sep 17 00:00:00 2001
From: Mike Cao <moocao@gmail.com>
Date: Fri, 5 Jul 2024 02:52:36 -0700
Subject: [PATCH] Should allow non http referrers. Closes #2831

---
 src/pages/api/send.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pages/api/send.ts b/src/pages/api/send.ts
index 3431795e..31318420 100644
--- a/src/pages/api/send.ts
+++ b/src/pages/api/send.ts
@@ -121,7 +121,7 @@ export default async (req: NextApiRequestCollect, res: NextApiResponse) => {
         urlPath = '/';
       }
 
-      if (referrerPath?.startsWith('http')) {
+      if (/^[\w-]+:\/\/\w+/.test(referrerPath)) {
         const refUrl = new URL(referrer);
         referrerPath = refUrl.pathname;
         referrerQuery = refUrl.search.substring(1);