From 3e054573da70da78312a4da018889fc55c469041 Mon Sep 17 00:00:00 2001
From: Laura Hausmann <laura@hausmann.dev>
Date: Wed, 27 Mar 2024 23:01:51 +0900
Subject: [PATCH] fix (backend): reject anonymous objects

---
 packages/backend/src/remote/activitypub/resolver.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/backend/src/remote/activitypub/resolver.ts b/packages/backend/src/remote/activitypub/resolver.ts
index 5f7752bd3..e972d35de 100644
--- a/packages/backend/src/remote/activitypub/resolver.ts
+++ b/packages/backend/src/remote/activitypub/resolver.ts
@@ -133,7 +133,10 @@ export default class Resolver {
 			throw new Error("invalid response");
 		}
 
-		if (object.id == null) return object;
+		if (object.id == null) {
+			throw new Error("Object has no ID");
+		}
+
 		if (finalUrl === object.id) return object;
 
 		if (new URL(finalUrl).host !== new URL(object.id).host) {