server: catch unresolvable featured notes

Instead of throwing all featured notes away, just remove that specific one.

closes #407

packages/backend/src/boot/index.ts

@@ -1,4 +1,5 @@
 import cluster from 'node:cluster';
+import net from 'node:net';
 import Xev from 'xev';
 
 import Logger from '@/services/logger.js';
@@ -25,6 +26,8 @@ export async function boot(): Promise<void> {
 		process.title = `Foundkey (${process.env.mode})`;
 	}
 
+	net.setDefaultAutoSelectFamily(true);
+
 	if (cluster.isPrimary || envOption.disableClustering) {
 		await masterMain();
 

packages/backend/src/remote/activitypub/models/note.ts

@@ -319,9 +319,14 @@ export async function resolveNote(value: string | IObject, resolver: Resolver):
 			throw new StatusError('cannot resolve local note', 400, 'cannot resolve local note');
 		}
 
-		// リモートサーバーからフェッチしてきて登録
-		// ここでuriの代わりに添付されてきたNote Objectが指定されていると、サーバーフェッチを経ずにノートが生成されるが
-		// 添付されてきたNote Objectは偽装されている可能性があるため、常にuriを指定してサーバーフェッチを行う。
+		/*
+		If the Note Object attached is specified here instead of uri
+		after fetching from a remote server and registering, the note is
+		generated without going through server fetch, but the attached
+		Note Object may be spoofed, so always specify uri for server
+		Therefore, server fetching is always performed by specifying uri.
+		*/
+
 		return await createNote(uri, resolver, true);
 	} finally {
 		unlock();

packages/backend/src/remote/activitypub/models/person.ts

@@ -27,7 +27,7 @@ import { db } from '@/db/postgre.js';
 import { fromHtml } from '@/mfm/from-html.js';
 import { Resolver } from '@/remote/activitypub/resolver.js';
 import { apLogger } from '../logger.js';
-import { isCollectionOrOrderedCollection, isCollection, IActor, getApId, getOneApHrefNullable, IObject, isPropertyValue, getApType, isActor } from '../type.js';
+import { isCollectionOrOrderedCollection, isCollection, IActor, getApId, getOneApHrefNullable, IObject, isPropertyValue, getApType, isActor, isPost } from '../type.js';
 import { extractApHashtags, extractEmojis } from './tag.js';
 import { resolveNote } from './note.js';
 import { resolveImage } from './image.js';
@@ -459,17 +459,17 @@ async function updateFeatured(userId: User['id'], resolver: Resolver) {
 	const unresolvedItems = isCollection(collection) ? collection.items : collection.orderedItems;
 	const items = await Promise.all(toArray(unresolvedItems).map(x => resolver.resolve(x)));
 
-	// Resolve and regist Notes
+	// Resolve and register Notes
 	const limit = promiseLimit<Note | null>(2);
 	const featuredNotes = await Promise.all(items
-		.filter(item => getApType(item) === 'Note')	// TODO: Noteでなくてもいいかも
+		.filter(item => isPost(item))
 		.slice(0, 5)
-		.map(item => limit(() => resolveNote(item, resolver))));
+		.map(item => limit(() => resolveNote(item, resolver).catch(() => null))));
 
 	await db.transaction(async transactionalEntityManager => {
 		await transactionalEntityManager.delete(UserNotePining, { userId: user.id });
 
-		// とりあえずidを別の時間で生成して順番を維持
+		// TODO: For now, generate the id at a different time and maintain the order.
 		let td = 0;
 		for (const note of featuredNotes.filter(note => note != null)) {
 			td -= 1000;