mirror of
https://github.com/hotomoe/hotomoe
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4522568749
* Emoji in profile * Add emojis to fields
220 lines
6.4 KiB
TypeScript
220 lines
6.4 KiB
TypeScript
import * as mongo from 'mongodb';
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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, updatePerson } from './person';
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import { resolveImage } from './image';
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import { IRemoteUser, IUser } from '../../../models/user';
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import htmlToMFM from '../../../mfm/html-to-mfm';
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import Emoji, { IEmoji } from '../../../models/emoji';
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import { ITag } from './tag';
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import { toUnicode } from 'punycode';
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import { unique, concat, difference } from '../../../prelude/array';
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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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const id = new mongo.ObjectID(uri.split('/').pop());
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return await Note.findOne({ _id: id });
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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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log(`invalid note: ${object}`);
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return null;
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}
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const note: INoteActivityStreamsObject = object;
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log(`Creating the Note: ${note.id}`);
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// 投稿者をフェッチ
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const actor = await resolvePerson(note.attributedTo, null, resolver) as IRemoteUser;
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// 投稿者が凍結されていたらスキップ
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if (actor.isSuspended) {
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return null;
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}
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//#region Visibility
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let visibility = 'public';
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let visibleUsers: IUser[] = [];
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if (!note.to.includes('https://www.w3.org/ns/activitystreams#Public')) {
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if (note.cc.includes('https://www.w3.org/ns/activitystreams#Public')) {
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visibility = 'home';
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} else if (note.to.includes(`${actor.uri}/followers`)) { // TODO: person.followerと照合するべき?
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visibility = 'followers';
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} else {
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visibility = 'specified';
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visibleUsers = await Promise.all(note.to.map(uri => resolvePerson(uri, null, resolver)));
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}
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}
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//#endergion
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const apMentions = await extractMentionedUsers(actor, note.to, note.cc, resolver);
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const apHashtags = await extractHashtags(note.tag);
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// 添付ファイル
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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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// Noteがsensitiveなら添付もsensitiveにする
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const files = note.attachment
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.map(attach => attach.sensitive = note.sensitive)
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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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// 引用
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let quote: INote;
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if (note._misskey_quote && typeof note._misskey_quote == 'string') {
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quote = await resolveNote(note._misskey_quote).catch(() => null);
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}
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const cw = note.summary === '' ? null : note.summary;
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// テキストのパース
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const text = note._misskey_content ? note._misskey_content : htmlToMFM(note.content);
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const emojis = await extractEmojis(note.tag, actor.host).catch(e => {
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console.log(`extractEmojis: ${e}`);
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return [] as IEmoji[];
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});
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const apEmojis = emojis.map(emoji => emoji.name);
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// ユーザーの情報が古かったらついでに更新しておく
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if (actor.lastFetchedAt == null || Date.now() - actor.lastFetchedAt.getTime() > 1000 * 60 * 60 * 24) {
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updatePerson(note.attributedTo);
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}
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return await post(actor, {
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createdAt: new Date(note.published),
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files: files,
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reply,
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renote: quote,
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cw: cw,
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text: text,
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viaMobile: false,
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localOnly: false,
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geo: undefined,
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visibility,
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visibleUsers,
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apMentions,
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apHashtags,
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apEmojis,
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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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// 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
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// 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。
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return await createNote(uri, resolver);
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}
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export async function extractEmojis(tags: ITag[], host_: string) {
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const host = toUnicode(host_.toLowerCase());
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if (!tags) return [];
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const eomjiTags = tags.filter(tag => tag.type === 'Emoji' && tag.icon && tag.icon.url);
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return await Promise.all(
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eomjiTags.map(async tag => {
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const name = tag.name.replace(/^:/, '').replace(/:$/, '');
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const exists = await Emoji.findOne({
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host,
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name
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});
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if (exists) {
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return exists;
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}
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log(`register emoji host=${host}, name=${name}`);
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return await Emoji.insert({
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host,
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name,
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url: tag.icon.url,
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aliases: [],
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});
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})
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);
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}
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async function extractMentionedUsers(actor: IRemoteUser, to: string[], cc: string[], resolver: Resolver) {
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const ignoreUris = ['https://www.w3.org/ns/activitystreams#Public', `${actor.uri}/followers`];
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const uris = difference(unique(concat([to || [], cc || []])), ignoreUris);
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const users = await Promise.all(
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uris.map(async uri => await resolvePerson(uri, null, resolver).catch(() => null))
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);
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return users.filter(x => x != null);
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}
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function extractHashtags(tags: ITag[]) {
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if (!tags) return [];
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const hashtags = tags.filter(tag => tag.type === 'Hashtag' && typeof tag.name == 'string');
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return hashtags.map(tag => {
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const m = tag.name.match(/^#(.+)/);
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return m ? m[1] : null;
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}).filter(x => x != null);
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}
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