From 63068fc0c2666eae5e78572e814bf327a8e246d8 Mon Sep 17 00:00:00 2001
From: syuilo <Syuilotan@yahoo.co.jp>
Date: Wed, 15 Mar 2023 18:09:00 +0900
Subject: [PATCH] fix(server): prevent creation of empty antennas

---
 CHANGELOG.md                                                 | 1 +
 packages/backend/src/server/api/endpoints/antennas/create.ts | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 27d72388ac..aeab25522e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -41,6 +41,7 @@ You should also include the user name that made the change.
 - Bookwyrmのユーザーのプロフィールページで「リモートで表示」をタップしても反応がない問題を修正
 - `disableCache: true`を設定している場合に絵文字管理操作でエラーが出る問題を修正
 - リテンション分析が上手く機能しないことがあるのを修正
+- 空のアンテナが作成できないように修正
 
 ## 13.9.2 (2023/03/06)
 
diff --git a/packages/backend/src/server/api/endpoints/antennas/create.ts b/packages/backend/src/server/api/endpoints/antennas/create.ts
index bc5d249ae5..b57906a688 100644
--- a/packages/backend/src/server/api/endpoints/antennas/create.ts
+++ b/packages/backend/src/server/api/endpoints/antennas/create.ts
@@ -79,6 +79,10 @@ export default class extends Endpoint<typeof meta, typeof paramDef> {
 		private globalEventService: GlobalEventService,
 	) {
 		super(meta, paramDef, async (ps, me) => {
+			if (ps.keywords.length === 0) {
+				throw new Error('invalid param');
+			}
+
 			const currentAntennasCount = await this.antennasRepository.countBy({
 				userId: me.id,
 			});