wip

src/remote/activitypub/kernel/announce/index.ts

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+import * as debug from 'debug';
+
+import Resolver from '../../resolver';
+import { IRemoteUser } from '../../../../models/user';
+import announceNote from './note';
+import { IAnnounce } from '../../type';
+
+const log = debug('misskey:activitypub');
+
+export default async (actor: IRemoteUser, activity: IAnnounce): Promise<void> => {
+	if ('actor' in activity && actor.uri !== activity.actor) {
+		throw new Error('invalid actor');
+	}
+
+	const uri = activity.id || activity;
+
+	log(`Announce: ${uri}`);
+
+	const resolver = new Resolver();
+
+	let object;
+
+	try {
+		object = await resolver.resolve(activity.object);
+	} catch (e) {
+		log(`Resolution failed: ${e}`);
+		throw e;
+	}
+
+	switch (object.type) {
+	case 'Note':
+		announceNote(resolver, actor, activity, object);
+		break;
+
+	default:
+		console.warn(`Unknown announce type: ${object.type}`);
+		break;
+	}
+};

src/remote/activitypub/kernel/announce/note.ts

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+import * as debug from 'debug';
+
+import Resolver from '../../resolver';
+import post from '../../../../services/note/create';
+import { IRemoteUser } from '../../../../models/user';
+import { IAnnounce, INote } from '../../type';
+import { fetchNote, resolveNote } from '../../objects/note';
+
+const log = debug('misskey:activitypub');
+
+/**
+ * アナウンスアクティビティを捌きます
+ */
+export default async function(resolver: Resolver, actor: IRemoteUser, activity: IAnnounce, note: INote): Promise<void> {
+	const uri = activity.id || activity;
+
+	if (typeof uri !== 'string') {
+		throw new Error('invalid announce');
+	}
+
+	// 既に同じURIを持つものが登録されていないかチェック
+	const exist = await fetchNote(uri);
+	if (exist) {
+		return;
+	}
+
+	const renote = await resolveNote(note);
+
+	log(`Creating the (Re)Note: ${uri}`);
+
+	//#region Visibility
+	let visibility = 'public';
+	if (!activity.to.includes('https://www.w3.org/ns/activitystreams#Public')) visibility = 'unlisted';
+	if (activity.cc.length == 0) visibility = 'private';
+	// TODO
+	if (visibility != 'public') throw new Error('unspported visibility');
+	//#endergion
+
+	await post(actor, {
+		createdAt: new Date(activity.published),
+		renote,
+		visibility,
+		uri
+	});
+}