From fcabc993038b81b310bc3752ac756a406679013a Mon Sep 17 00:00:00 2001
From: rinsuki <428rinsuki+git@gmail.com>
Date: Sun, 4 Dec 2022 05:34:51 +0900
Subject: [PATCH] =?UTF-8?q?master=E3=83=96=E3=83=A9=E3=83=B3=E3=83=81?=
 =?UTF-8?q?=E3=82=92master=5Fsecurity=E3=81=A8=E3=83=9E=E3=83=BC=E3=82=B8?=
 =?UTF-8?q?=20(#9260)?=
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* Fix: forkbomb 2

* 12.119.2

Co-authored-by: mei23 <m@m544.net>
---
 CHANGELOG.md                                              | 4 ++++
 package.json                                              | 2 +-
 packages/backend/src/remote/activitypub/models/mention.ts | 4 +---
 packages/backend/src/remote/activitypub/models/note.ts    | 4 ++--
 packages/backend/src/remote/activitypub/resolver.ts       | 1 +
 5 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ecc8ef1f1..d97e34b776 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,10 @@
 You should also include the user name that made the change.
 -->
 
+## 12.119.2 (2022/12/04)
+### Bugfixes
+- Server: Backported versions mitigate isn't working @mei23
+
 ## 12.119.1 (2022/12/03)
 ### Bugfixes
 - Server: Mitigate AP reference chain DoS vector @skehmatics
diff --git a/package.json b/package.json
index 5a190d79b5..a23a075d7f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "misskey",
-	"version": "12.119.1",
+	"version": "12.119.2",
 	"codename": "indigo",
 	"repository": {
 		"type": "git",
diff --git a/packages/backend/src/remote/activitypub/models/mention.ts b/packages/backend/src/remote/activitypub/models/mention.ts
index 13f77424ec..7483992d2d 100644
--- a/packages/backend/src/remote/activitypub/models/mention.ts
+++ b/packages/backend/src/remote/activitypub/models/mention.ts
@@ -5,11 +5,9 @@ import { IObject, isMention, IApMention } from '../type.js';
 import Resolver from '../resolver.js';
 import { resolvePerson } from './person.js';
 
-export async function extractApMentions(tags: IObject | IObject[] | null | undefined) {
+export async function extractApMentions(tags: IObject | IObject[] | null | undefined, resolver: Resolver) {
 	const hrefs = unique(extractApMentionObjects(tags).map(x => x.href as string));
 
-	const resolver = new Resolver();
-
 	const limit = promiseLimit<CacheableUser | null>(2);
 	const mentionedUsers = (await Promise.all(
 		hrefs.map(x => limit(() => resolvePerson(x, resolver).catch(() => null))),
diff --git a/packages/backend/src/remote/activitypub/models/note.ts b/packages/backend/src/remote/activitypub/models/note.ts
index 5d63f2605a..8aca589c92 100644
--- a/packages/backend/src/remote/activitypub/models/note.ts
+++ b/packages/backend/src/remote/activitypub/models/note.ts
@@ -97,7 +97,7 @@ export async function createNote(value: string | IObject, resolver?: Resolver, s
 		throw new Error('actor has been suspended');
 	}
 
-	const noteAudience = await parseAudience(actor, note.to, note.cc);
+	const noteAudience = await parseAudience(actor, note.to, note.cc, resolver);
 	let visibility = noteAudience.visibility;
 	const visibleUsers = noteAudience.visibleUsers;
 
@@ -111,7 +111,7 @@ export async function createNote(value: string | IObject, resolver?: Resolver, s
 
 	let isTalk = note._misskey_talk && visibility === 'specified';
 
-	const apMentions = await extractApMentions(note.tag);
+	const apMentions = await extractApMentions(note.tag, resolver);
 	const apHashtags = await extractApHashtags(note.tag);
 
 	// 添付ファイル
diff --git a/packages/backend/src/remote/activitypub/resolver.ts b/packages/backend/src/remote/activitypub/resolver.ts
index ad0df0c97a..6514c0660f 100644
--- a/packages/backend/src/remote/activitypub/resolver.ts
+++ b/packages/backend/src/remote/activitypub/resolver.ts
@@ -23,6 +23,7 @@ export default class Resolver {
 
 	constructor(recursionLimit = 100) {
 		this.history = new Set();
+		this.recursionLimit = recursionLimit;
 	}
 
 	public getHistory(): string[] {