From 3ea1f72bc31ebd417c70f02b11a28e66abb4fb5a Mon Sep 17 00:00:00 2001
From: Tom Moor <tom@getoutline.com>
Date: Sat, 6 Jan 2024 08:15:31 -0800
Subject: [PATCH] fix: www. should not be counted as an internal URL (#6351)

---
 shared/utils/urls.ts | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/shared/utils/urls.ts b/shared/utils/urls.ts
index 73adb45b0..350ae2fb7 100644
--- a/shared/utils/urls.ts
+++ b/shared/utils/urls.ts
@@ -1,6 +1,6 @@
 import escapeRegExp from "lodash/escapeRegExp";
 import env from "../env";
-import { getBaseDomain, parseDomain } from "./domains";
+import { RESERVED_SUBDOMAINS, getBaseDomain, parseDomain } from "./domains";
 
 /**
  * Prepends the CDN url to the given path (If a CDN is configured).
@@ -35,7 +35,11 @@ export function isInternalUrl(href: string) {
       : parseDomain(env.URL);
   const domain = parseDomain(href);
 
-  return outline.host === domain.host || domain.host.endsWith(getBaseDomain());
+  return (
+    outline.host === domain.host ||
+    (domain.host.endsWith(getBaseDomain()) &&
+      !RESERVED_SUBDOMAINS.includes(domain.teamSubdomain))
+  );
 }
 
 /**