From 6377a9ccaab92569d732c911b92bdc9a4d50c414 Mon Sep 17 00:00:00 2001
From: William Oldham <wegg7250@gmail.com>
Date: Tue, 19 Dec 2023 17:41:56 +0000
Subject: [PATCH] Handle invalid CORS origin

---
 src/index.ts | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/index.ts b/src/index.ts
index ff9bddd..3c7e922 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -30,11 +30,16 @@ app.use('*', (context, next) => {
 
   return cors({
     origin: (origin) => {
-      const hostname = new URL(origin).hostname;
-      if (allowedCorsHosts.includes(hostname)) {
-        return origin;
+      try {
+        const hostname = new URL(origin).hostname;
+        if (allowedCorsHosts.includes(hostname)) {
+          return origin;
+        }
+        return '';
+      } catch (_) {
+        // If the Origin URL is not valid, return empty allowed origin
+        return '';
       }
-      return '';
     },
   })(context, next);
 });