forked from FoundKeyGang/FoundKey
360 lines
11 KiB
TypeScript
360 lines
11 KiB
TypeScript
import promiseLimit from 'promise-limit';
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import config from '@/config/index.js';
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import Resolver from '../resolver.js';
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import post from '@/services/note/create.js';
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import { resolvePerson } from './person.js';
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import { resolveImage } from './image.js';
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import { CacheableRemoteUser } from '@/models/entities/user.js';
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import { htmlToMfm } from '../misc/html-to-mfm.js';
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import { extractApHashtags } from './tag.js';
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import { unique, toArray, toSingle } from '@/prelude/array.js';
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import { extractPollFromQuestion } from './question.js';
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import vote from '@/services/note/polls/vote.js';
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import { apLogger } from '../logger.js';
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import { DriveFile } from '@/models/entities/drive-file.js';
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import { deliverQuestionUpdate } from '@/services/note/polls/update.js';
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import { extractDbHost, toPuny } from '@/misc/convert-host.js';
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import { Emojis, Polls, MessagingMessages } from '@/models/index.js';
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import { Note } from '@/models/entities/note.js';
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import { IObject, getOneApId, getApId, getOneApHrefNullable, validPost, IPost, isEmoji, getApType } from '../type.js';
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import { Emoji } from '@/models/entities/emoji.js';
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import { genId } from '@/misc/gen-id.js';
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import { fetchMeta } from '@/misc/fetch-meta.js';
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import { getApLock } from '@/misc/app-lock.js';
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import { createMessage } from '@/services/messages/create.js';
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import { parseAudience } from '../audience.js';
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import { extractApMentions } from './mention.js';
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import DbResolver from '../db-resolver.js';
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import { StatusError } from '@/misc/fetch.js';
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const logger = apLogger;
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export function validateNote(object: any, uri: string) {
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const expectHost = extractDbHost(uri);
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if (object == null) {
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return new Error('invalid Note: object is null');
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}
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if (!validPost.includes(getApType(object))) {
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return new Error(`invalid Note: invalid object type ${getApType(object)}`);
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}
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if (object.id && extractDbHost(object.id) !== expectHost) {
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return new Error(`invalid Note: id has different host. expected: ${expectHost}, actual: ${extractDbHost(object.id)}`);
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}
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if (object.attributedTo && extractDbHost(getOneApId(object.attributedTo)) !== expectHost) {
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return new Error(`invalid Note: attributedTo has different host. expected: ${expectHost}, actual: ${extractDbHost(object.attributedTo)}`);
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}
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return null;
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}
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/**
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* Noteをフェッチします。
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*
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* Misskeyに対象のNoteが登録されていればそれを返します。
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*/
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export async function fetchNote(object: string | IObject): Promise<Note | null> {
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const dbResolver = new DbResolver();
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return await dbResolver.getNoteFromApId(object);
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}
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/**
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* Noteを作成します。
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*/
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export async function createNote(value: string | IObject, resolver?: Resolver, silent = false): Promise<Note | null> {
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if (resolver == null) resolver = new Resolver();
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const object: any = await resolver.resolve(value);
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const entryUri = getApId(value);
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const err = validateNote(object, entryUri);
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if (err) {
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logger.error(`${err.message}`, {
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resolver: {
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history: resolver.getHistory(),
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},
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value: value,
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object: object,
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});
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throw new Error('invalid note');
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}
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const note: IPost = object;
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logger.debug(`Note fetched: ${JSON.stringify(note, null, 2)}`);
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logger.info(`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(getOneApId(note.attributedTo), resolver) as CacheableRemoteUser;
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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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throw new Error('actor has been suspended');
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}
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const noteAudience = await parseAudience(actor, note.to, note.cc);
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let visibility = noteAudience.visibility;
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const visibleUsers = noteAudience.visibleUsers;
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// Audience (to, cc) が指定されてなかった場合
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if (visibility === 'specified' && visibleUsers.length === 0) {
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if (typeof value === 'string') { // 入力がstringならばresolverでGETが発生している
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// こちらから匿名GET出来たものならばpublic
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visibility = 'public';
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}
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}
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let isTalk = note._misskey_talk && visibility === 'specified';
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const apMentions = await extractApMentions(note.tag);
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const apHashtags = await extractApHashtags(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 limit = promiseLimit(2);
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note.attachment = Array.isArray(note.attachment) ? note.attachment : note.attachment ? [note.attachment] : [];
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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 => limit(() => resolveImage(actor, x)) as Promise<DriveFile>)))
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.filter(image => image != null)
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: [];
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// リプライ
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const reply: Note | null = note.inReplyTo
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? await resolveNote(note.inReplyTo, resolver).then(x => {
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if (x == null) {
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logger.warn(`Specified inReplyTo, but nout found`);
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throw new Error('inReplyTo not found');
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} else {
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return x;
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}
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}).catch(async e => {
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// トークだったらinReplyToのエラーは無視
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const uri = getApId(note.inReplyTo);
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if (uri.startsWith(config.url + '/')) {
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const id = uri.split('/').pop();
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const talk = await MessagingMessages.findOneBy({ id });
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if (talk) {
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isTalk = true;
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return null;
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}
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}
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logger.warn(`Error in inReplyTo ${note.inReplyTo} - ${e.statusCode || e}`);
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throw e;
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})
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: null;
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// 引用
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let quote: Note | undefined | null;
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if (note._misskey_quote || note.quoteUrl) {
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const tryResolveNote = async (uri: string): Promise<{
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status: 'ok';
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res: Note | null;
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} | {
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status: 'permerror' | 'temperror';
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}> => {
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if (typeof uri !== 'string' || !uri.match(/^https?:/)) return { status: 'permerror' };
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try {
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const res = await resolveNote(uri);
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if (res) {
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return {
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status: 'ok',
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res,
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};
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} else {
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return {
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status: 'permerror',
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};
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}
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} catch (e) {
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return {
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status: (e instanceof StatusError && e.isClientError) ? 'permerror' : 'temperror',
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};
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}
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};
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const uris = unique([note._misskey_quote, note.quoteUrl].filter((x): x is string => typeof x === 'string'));
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const results = await Promise.all(uris.map(uri => tryResolveNote(uri)));
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quote = results.filter((x): x is { status: 'ok', res: Note | null } => x.status === 'ok').map(x => x.res).find(x => x);
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if (!quote) {
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if (results.some(x => x.status === 'temperror')) {
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throw 'quote resolve failed';
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}
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}
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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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let text: string | null = null;
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if (note.source?.mediaType === 'text/x.misskeymarkdown' && typeof note.source?.content === 'string') {
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text = note.source.content;
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} else if (typeof note._misskey_content !== 'undefined') {
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text = note._misskey_content;
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} else if (typeof note.content === 'string') {
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text = htmlToMfm(note.content, note.tag);
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}
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// vote
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if (reply && reply.hasPoll) {
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const poll = await Polls.findOneByOrFail({ noteId: reply.id });
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const tryCreateVote = async (name: string, index: number): Promise<null> => {
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if (poll.expiresAt && Date.now() > new Date(poll.expiresAt).getTime()) {
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logger.warn(`vote to expired poll from AP: actor=${actor.username}@${actor.host}, note=${note.id}, choice=${name}`);
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} else if (index >= 0) {
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logger.info(`vote from AP: actor=${actor.username}@${actor.host}, note=${note.id}, choice=${name}`);
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await vote(actor, reply, index);
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// リモートフォロワーにUpdate配信
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deliverQuestionUpdate(reply.id);
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}
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return null;
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};
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if (note.name) {
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return await tryCreateVote(note.name, poll.choices.findIndex(x => x === note.name));
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}
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}
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const emojis = await extractEmojis(note.tag || [], actor.host).catch(e => {
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logger.info(`extractEmojis: ${e}`);
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return [] as Emoji[];
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});
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const apEmojis = emojis.map(emoji => emoji.name);
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const poll = await extractPollFromQuestion(note, resolver).catch(() => undefined);
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if (isTalk) {
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for (const recipient of visibleUsers) {
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await createMessage(actor, recipient, undefined, text || undefined, (files && files.length > 0) ? files[0] : null, object.id);
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return null;
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}
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}
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return await post(actor, {
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createdAt: note.published ? new Date(note.published) : null,
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files,
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reply,
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renote: quote,
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name: note.name,
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cw,
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text,
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localOnly: false,
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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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poll,
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uri: note.id,
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url: getOneApHrefNullable(note.url),
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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<Note | null> {
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const uri = typeof value === 'string' ? value : value.id;
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if (uri == null) throw new Error('missing uri');
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// ブロックしてたら中断
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const meta = await fetchMeta();
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if (meta.blockedHosts.includes(extractDbHost(uri))) throw { statusCode: 451 };
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const unlock = await getApLock(uri);
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try {
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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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if (uri.startsWith(config.url)) {
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throw new StatusError('cannot resolve local note', 400, 'cannot resolve local note');
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}
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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, true);
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} finally {
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unlock();
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}
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}
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export async function extractEmojis(tags: IObject | IObject[], host: string): Promise<Emoji[]> {
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host = toPuny(host);
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if (!tags) return [];
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const eomjiTags = toArray(tags).filter(isEmoji);
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return await Promise.all(eomjiTags.map(async tag => {
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const name = tag.name!.replace(/^:/, '').replace(/:$/, '');
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tag.icon = toSingle(tag.icon);
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const exists = await Emojis.findOneBy({
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host,
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name,
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});
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if (exists) {
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if ((tag.updated != null && exists.updatedAt == null)
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|| (tag.id != null && exists.uri == null)
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|| (tag.updated != null && exists.updatedAt != null && new Date(tag.updated) > exists.updatedAt)
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|| (tag.icon!.url !== exists.originalUrl)
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) {
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await Emojis.update({
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host,
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name,
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}, {
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uri: tag.id,
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originalUrl: tag.icon!.url,
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publicUrl: tag.icon!.url,
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updatedAt: new Date(),
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});
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return await Emojis.findOneBy({
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host,
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name,
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}) as Emoji;
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}
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return exists;
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}
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logger.info(`register emoji host=${host}, name=${name}`);
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return await Emojis.insert({
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id: genId(),
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host,
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name,
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uri: tag.id,
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originalUrl: tag.icon!.url,
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publicUrl: tag.icon!.url,
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updatedAt: new Date(),
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aliases: [],
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} as Partial<Emoji>).then(x => Emojis.findOneByOrFail(x.identifiers[0]));
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}));
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}
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