2018-04-17 08:20:25 -05:00
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import * as mongo from 'mongodb';
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2018-05-06 12:54:14 -05:00
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import * as parse5 from 'parse5';
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2018-04-08 14:08:56 -05:00
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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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2018-04-17 01:30:58 -05:00
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import { resolvePerson, updatePerson } from './person';
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2018-04-08 14:08:56 -05:00
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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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2018-05-07 03:45:21 -05:00
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function parse(html: string): string {
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2018-05-06 12:54:14 -05:00
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const dom = parse5.parseFragment(html) as parse5.AST.Default.Document;
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let text = '';
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dom.childNodes.forEach(n => analyze(n));
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return text.trim();
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2018-05-07 03:45:21 -05:00
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function getText(node) {
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if (node.nodeName == '#text') return node.value;
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if (node.childNodes) {
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return node.childNodes.map(n => getText(n)).join('');
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}
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return '';
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}
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2018-05-06 12:54:14 -05:00
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function analyze(node) {
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switch (node.nodeName) {
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case '#text':
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text += node.value;
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break;
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case 'br':
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text += '\n';
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break;
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case 'a':
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2018-05-07 17:03:06 -05:00
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const txt = getText(node);
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2018-05-06 12:54:14 -05:00
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2018-05-07 17:03:06 -05:00
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// メンション
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if (txt.startsWith('@')) {
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const part = txt.split('@');
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2018-05-06 12:54:14 -05:00
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2018-05-07 03:45:21 -05:00
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if (part.length == 2) {
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//#region ホスト名部分が省略されているので復元する
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const href = new URL(node.attrs.find(x => x.name == 'href').value);
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2018-05-07 17:03:06 -05:00
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const acct = txt + '@' + href.hostname;
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2018-05-07 03:45:21 -05:00
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text += acct;
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break;
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//#endregion
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} else if (part.length == 3) {
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2018-05-07 17:03:06 -05:00
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text += txt;
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2018-05-07 03:45:21 -05:00
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break;
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}
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2018-05-06 12:54:14 -05:00
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}
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if (node.childNodes) {
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node.childNodes.forEach(n => analyze(n));
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}
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break;
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case 'p':
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2018-05-07 03:19:00 -05:00
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text += '\n\n';
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2018-05-06 12:54:14 -05:00
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if (node.childNodes) {
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node.childNodes.forEach(n => analyze(n));
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}
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break;
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default:
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if (node.childNodes) {
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node.childNodes.forEach(n => analyze(n));
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}
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break;
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}
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}
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}
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2018-04-08 14:08:56 -05:00
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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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2018-04-17 08:20:25 -05:00
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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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2018-04-08 14:08:56 -05:00
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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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2018-04-18 19:17:42 -05:00
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log(`invalid note: ${object}`);
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return null;
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2018-04-08 14:08:56 -05:00
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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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2018-04-19 04:54:34 -05:00
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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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2018-04-08 14:08:56 -05:00
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//#region Visibility
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let visibility = 'public';
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2018-04-28 14:44:58 -05:00
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let visibleUsers = [];
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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 {
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visibility = 'specified';
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visibleUsers = await Promise.all(note.to.map(uri => resolvePerson(uri)));
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}
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}
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2018-04-28 03:25:56 -05:00
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if (note.cc.length == 0) visibility = 'followers';
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2018-04-08 14:08:56 -05:00
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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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2018-05-06 12:54:14 -05:00
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// テキストのパース
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2018-05-07 03:45:21 -05:00
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const text = parse(note.content);
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2018-04-08 14:08:56 -05:00
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2018-04-17 01:30:58 -05:00
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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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2018-04-17 02:06:55 -05:00
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if (actor.updatedAt == null || Date.now() - actor.updatedAt.getTime() > 1000 * 60 * 60 * 24) {
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2018-04-17 01:30:58 -05:00
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updatePerson(note.attributedTo);
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}
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2018-04-08 14:08:56 -05:00
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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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2018-05-07 03:15:20 -05:00
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text: text,
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2018-04-08 14:08:56 -05:00
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viaMobile: false,
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geo: undefined,
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visibility,
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2018-04-28 14:44:58 -05:00
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visibleUsers,
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2018-04-08 14:08:56 -05:00
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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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