From 81b81e540af421dbc7b2feb529b2a79050de2d64 Mon Sep 17 00:00:00 2001
From: Julian Lam <julian@nodebb.org>
Date: Thu, 7 Mar 2024 15:11:43 -0500
Subject: [PATCH] fix: tags received via AP should only be of type Hashtag (as
 mentions are also in tag prop

---
 src/activitypub/notes.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/activitypub/notes.js b/src/activitypub/notes.js
index 55bb4e906a..e39e64171a 100644
--- a/src/activitypub/notes.js
+++ b/src/activitypub/notes.js
@@ -259,7 +259,9 @@ Notes.assertTopic = async (uid, id) => {
 
 	let tags;
 	if (!hasTid) {
-		tags = (mainPost._activitypub.tag || []).map(o => o.name.slice(1));
+		tags = (mainPost._activitypub.tag || [])
+			.filter(o => o.type === 'Hashtag')
+			.map(o => o.name.slice(1));
 		tags = await topics.filterTags(tags, cid);
 
 		await topics.create({