From 08d292474e8310a73fb28d35c500bd8063b73ca3 Mon Sep 17 00:00:00 2001
From: Adam Soltys <asoltys@gmail.com>
Date: Mon, 19 Jan 2026 00:27:30 +0000
Subject: check username

---
 lib/register.ts | 1 +
 1 file changed, 1 insertion(+)

(limited to 'lib')

diff --git a/lib/register.ts b/lib/register.ts
index 8b893d6c..a74ea640 100644
--- a/lib/register.ts
+++ b/lib/register.ts
@@ -21,6 +21,7 @@ export default async (user, ip) => {
   if (!valid.test(username))
     fail("Usernames can only have letters and numbers");
   if (reserved.includes(username)) fail("Invalid username");
+  if (username.includes("undefined")) fail("Invalid username");
 
   const id = v4();
   user.id = id;
-- 
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