Fix #4486 (#4487)

1 files changed, 7 insertions, 0 deletions

diff --git a/src/remote/activitypub/kernel/announce/note.ts b/src/remote/activitypub/kernel/announce/note.ts
index 8d090902c0..912936bef8 100644
--- a/src/remote/activitypub/kernel/announce/note.ts
+++ b/src/remote/activitypub/kernel/announce/note.ts
@@ -5,6 +5,8 @@ import { IAnnounce, INote } from '../../type';
 import { fetchNote, resolveNote } from '../../models/note';
 import { resolvePerson } from '../../models/person';
 import { apLogger } from '../../logger';
+import { extractDbHost } from '../../../../misc/convert-host';
+import Instance from '../../../../models/instance';
 
 const logger = apLogger;
 
@@ -23,6 +25,11 @@ export default async function(resolver: Resolver, actor: IRemoteUser, activity:
 		throw new Error('invalid announce');
 	}
 
+	// アナウンス先をブロックしてたら中断
+	// TODO: いちいちデータベースにアクセスするのはコスト高そうなのでどっかにキャッシュしておく
+	const instance = await Instance.findOne({ host: extractDbHost(uri) });
+	if (instance && instance.isBlocked) return;
+
 	// 既に同じURIを持つものが登録されていないかチェック
 	const exist = await fetchNote(uri);
 	if (exist) {