From d6d675a2be3ad476527daf663be32f3d6f0d1d39 Mon Sep 17 00:00:00 2001
From: irl <iain@learmonth.me>
Date: Tue, 19 May 2026 12:49:41 +0100
Subject: [PATCH] fix: return 404 if no such short link exists

---
 src/link/router.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/link/router.py b/src/link/router.py
index bc8cb7f..75ebbac 100644
--- a/src/link/router.py
+++ b/src/link/router.py
@@ -50,8 +50,11 @@ def resolve_hash(db: DbSession, hash_: str, host: str = Header(settings.LINK_DOM
             headers={"Referrer-Policy": "no-referrer"},
         )
     if host.lower().strip() != settings.API_DOMAIN:
+        target = resolve_mirror(db, link.url)
+        if not target:
+            raise HTTPException(status_code=status.HTTP_404_NOT_FOUND)
         return RedirectResponse(
-            resolve_mirror(db, link.url),
+            target,
             status_code=status.HTTP_302_FOUND,
             headers={"Referrer-Policy": "no-referrer"},
         )