111 lines
3.2 KiB
TypeScript
111 lines
3.2 KiB
TypeScript
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import { JSDOM } from 'jsdom';
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import * as debug from 'debug';
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import config from '../../../config';
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import Resolver from '../resolver';
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import Note, { INote } from '../../../models/note';
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import post from '../../../services/note/create';
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import { INote as INoteActivityStreamsObject, IObject } from '../type';
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import { resolvePerson } from './person';
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import { resolveImage } from './image';
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import { IRemoteUser } from '../../../models/user';
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const log = debug('misskey:activitypub');
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/**
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* Noteをフェッチします。
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*
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* Misskeyに対象のNoteが登録されていればそれを返します。
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*/
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export async function fetchNote(value: string | IObject, resolver?: Resolver): Promise<INote> {
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const uri = typeof value == 'string' ? value : value.id;
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// URIがこのサーバーを指しているならデータベースからフェッチ
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if (uri.startsWith(config.url + '/')) {
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return await Note.findOne({ _id: uri.split('/').pop() });
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}
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//#region このサーバーに既に登録されていたらそれを返す
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const exist = await Note.findOne({ uri });
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if (exist) {
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return exist;
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}
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//#endregion
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return null;
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}
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/**
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* Noteを作成します。
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*/
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export async function createNote(value: any, resolver?: Resolver, silent = false): Promise<INote> {
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if (resolver == null) resolver = new Resolver();
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const object = await resolver.resolve(value) as any;
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if (object == null || object.type !== 'Note') {
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throw new Error('invalid note');
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}
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const note: INoteActivityStreamsObject = object;
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log(`Creating the Note: ${note.id}`);
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// 投稿者をフェッチ
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const actor = await resolvePerson(note.attributedTo) as IRemoteUser;
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//#region Visibility
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let visibility = 'public';
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if (!note.to.includes('https://www.w3.org/ns/activitystreams#Public')) visibility = 'unlisted';
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if (note.cc.length == 0) visibility = 'private';
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// TODO
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if (visibility != 'public') throw new Error('unspported visibility');
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//#endergion
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// 添付メディア
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// TODO: attachmentは必ずしもImageではない
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// TODO: attachmentは必ずしも配列ではない
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const media = note.attachment
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? await Promise.all(note.attachment.map(x => resolveImage(actor, x)))
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: [];
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// リプライ
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const reply = note.inReplyTo ? await resolveNote(note.inReplyTo, resolver) : null;
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const { window } = new JSDOM(note.content);
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return await post(actor, {
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createdAt: new Date(note.published),
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media,
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reply,
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renote: undefined,
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text: window.document.body.textContent,
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viaMobile: false,
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geo: undefined,
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visibility,
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uri: note.id
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}, silent);
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}
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/**
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* Noteを解決します。
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*
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* Misskeyに対象のNoteが登録されていればそれを返し、そうでなければ
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* リモートサーバーからフェッチしてMisskeyに登録しそれを返します。
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*/
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export async function resolveNote(value: string | IObject, resolver?: Resolver): Promise<INote> {
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const uri = typeof value == 'string' ? value : value.id;
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//#region このサーバーに既に登録されていたらそれを返す
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const exist = await fetchNote(uri);
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if (exist) {
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return exist;
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}
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//#endregion
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// リモートサーバーからフェッチしてきて登録
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return await createNote(value, resolver);
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}
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