From 0bfdbb6a5c089a5f2f1599e33844568b99580096 Mon Sep 17 00:00:00 2001
From: Julian Lam <julian@nodebb.org>
Date: Wed, 13 Mar 2024 15:05:42 -0400
Subject: [PATCH] feat: if Update(Note) is received for a post that does not
 already exist, assert it

---
 src/activitypub/inbox.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/activitypub/inbox.js b/src/activitypub/inbox.js
index 25c940fa34..6c860f79c9 100644
--- a/src/activitypub/inbox.js
+++ b/src/activitypub/inbox.js
@@ -43,8 +43,13 @@ inbox.update = async (req) => {
 	switch (object.type) {
 		case 'Note': {
 			const postData = await activitypub.mocks.post(object);
+			const exists = await posts.exists(object.id);
 			try {
-				await posts.edit(postData);
+				if (exists) {
+					await posts.edit(postData);
+				} else {
+					await activitypub.notes.assertTopic(0, object.id);
+				}
 			} catch (e) {
 				activitypub.send('uid', 0, actor, {
 					type: 'Reject',