213 lines
7.3 KiB
TypeScript
213 lines
7.3 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import { Inject, Injectable } from '@nestjs/common';
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import * as Redis from 'ioredis';
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import type { MiAntenna } from '@/models/Antenna.js';
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import type { MiNote } from '@/models/Note.js';
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import type { MiUser } from '@/models/User.js';
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import { GlobalEventService } from '@/core/GlobalEventService.js';
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import * as Acct from '@/misc/acct.js';
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import type { Packed } from '@/misc/json-schema.js';
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import { DI } from '@/di-symbols.js';
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import type { AntennasRepository, UserListMembershipsRepository } from '@/models/_.js';
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import { UtilityService } from '@/core/UtilityService.js';
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import { bindThis } from '@/decorators.js';
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import type { GlobalEvents } from '@/core/GlobalEventService.js';
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import { FanoutTimelineService } from '@/core/FanoutTimelineService.js';
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import type { OnApplicationShutdown } from '@nestjs/common';
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@Injectable()
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export class AntennaService implements OnApplicationShutdown {
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private antennasFetched: boolean;
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private antennas: MiAntenna[];
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constructor(
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@Inject(DI.redisForTimelines)
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private redisForTimelines: Redis.Redis,
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@Inject(DI.redisForSub)
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private redisForSub: Redis.Redis,
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@Inject(DI.antennasRepository)
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private antennasRepository: AntennasRepository,
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@Inject(DI.userListMembershipsRepository)
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private userListMembershipsRepository: UserListMembershipsRepository,
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private utilityService: UtilityService,
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private globalEventService: GlobalEventService,
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private fanoutTimelineService: FanoutTimelineService,
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) {
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this.antennasFetched = false;
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this.antennas = [];
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this.redisForSub.on('message', this.onRedisMessage);
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}
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@bindThis
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private async onRedisMessage(_: string, data: string): Promise<void> {
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const obj = JSON.parse(data);
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if (obj.channel === 'internal') {
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const { type, body } = obj.message as GlobalEvents['internal']['payload'];
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switch (type) {
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case 'antennaCreated':
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this.antennas.push({ // TODO: このあたりのデシリアライズ処理は各modelファイル内に関数としてexportしたい
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...body,
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lastUsedAt: new Date(body.lastUsedAt),
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user: null, // joinなカラムは通常取ってこないので
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userList: null, // joinなカラムは通常取ってこないので
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});
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break;
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case 'antennaUpdated': {
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const idx = this.antennas.findIndex(a => a.id === body.id);
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if (idx >= 0) {
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this.antennas[idx] = { // TODO: このあたりのデシリアライズ処理は各modelファイル内に関数としてexportしたい
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...body,
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lastUsedAt: new Date(body.lastUsedAt),
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user: null, // joinなカラムは通常取ってこないので
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userList: null, // joinなカラムは通常取ってこないので
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};
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} else {
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// サーバ起動時にactiveじゃなかった場合、リストに持っていないので追加する必要あり
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this.antennas.push({ // TODO: このあたりのデシリアライズ処理は各modelファイル内に関数としてexportしたい
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...body,
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lastUsedAt: new Date(body.lastUsedAt),
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user: null, // joinなカラムは通常取ってこないので
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userList: null, // joinなカラムは通常取ってこないので
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});
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}
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}
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break;
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case 'antennaDeleted':
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this.antennas = this.antennas.filter(a => a.id !== body.id);
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break;
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default:
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break;
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}
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}
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}
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@bindThis
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public async addNoteToAntennas(note: MiNote, noteUser: { id: MiUser['id']; username: string; host: string | null; }): Promise<void> {
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const antennas = await this.getAntennas();
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const antennasWithMatchResult = await Promise.all(antennas.map(antenna => this.checkHitAntenna(antenna, note, noteUser).then(hit => [antenna, hit] as const)));
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const matchedAntennas = antennasWithMatchResult.filter(([, hit]) => hit).map(([antenna]) => antenna);
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const redisPipeline = this.redisForTimelines.pipeline();
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for (const antenna of matchedAntennas) {
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this.fanoutTimelineService.push(`antennaTimeline:${antenna.id}`, note.id, 200, redisPipeline);
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this.globalEventService.publishAntennaStream(antenna.id, 'note', note);
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}
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redisPipeline.exec();
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}
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// NOTE: フォローしているユーザーのノート、リストのユーザーのノート、グループのユーザーのノート指定はパフォーマンス上の理由で無効になっている
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@bindThis
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public async checkHitAntenna(antenna: MiAntenna, note: (MiNote | Packed<'Note'>), noteUser: { id: MiUser['id']; username: string; host: string | null; }): Promise<boolean> {
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if (note.visibility === 'specified') return false;
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if (note.visibility === 'followers') return false;
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if (antenna.localOnly && noteUser.host != null) return false;
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if (!antenna.withReplies && note.replyId != null) return false;
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if (antenna.src === 'home') {
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// TODO
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} else if (antenna.src === 'list') {
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const listUsers = (await this.userListMembershipsRepository.findBy({
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userListId: antenna.userListId!,
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})).map(x => x.userId);
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if (!listUsers.includes(note.userId)) return false;
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} else if (antenna.src === 'users') {
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const accts = antenna.users.map(x => {
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const { username, host } = Acct.parse(x);
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return this.utilityService.getFullApAccount(username, host).toLowerCase();
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});
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if (!accts.includes(this.utilityService.getFullApAccount(noteUser.username, noteUser.host).toLowerCase())) return false;
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} else if (antenna.src === 'users_blacklist') {
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const accts = antenna.users.map(x => {
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const { username, host } = Acct.parse(x);
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return this.utilityService.getFullApAccount(username, host).toLowerCase();
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});
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if (accts.includes(this.utilityService.getFullApAccount(noteUser.username, noteUser.host).toLowerCase())) return false;
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}
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const keywords = antenna.keywords
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// Clean up
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.map(xs => xs.filter(x => x !== ''))
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.filter(xs => xs.length > 0);
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if (keywords.length > 0) {
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if (note.text == null && note.cw == null) return false;
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const _text = (note.text ?? '') + '\n' + (note.cw ?? '');
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const matched = keywords.some(and =>
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and.every(keyword =>
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antenna.caseSensitive
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? _text.includes(keyword)
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: _text.toLowerCase().includes(keyword.toLowerCase()),
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));
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if (!matched) return false;
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}
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const excludeKeywords = antenna.excludeKeywords
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// Clean up
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.map(xs => xs.filter(x => x !== ''))
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.filter(xs => xs.length > 0);
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if (excludeKeywords.length > 0) {
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if (note.text == null && note.cw == null) return false;
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const _text = (note.text ?? '') + '\n' + (note.cw ?? '');
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const matched = excludeKeywords.some(and =>
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and.every(keyword =>
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antenna.caseSensitive
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? _text.includes(keyword)
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: _text.toLowerCase().includes(keyword.toLowerCase()),
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));
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if (matched) return false;
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}
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if (antenna.withFile) {
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if (note.fileIds && note.fileIds.length === 0) return false;
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}
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// TODO: eval expression
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return true;
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}
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@bindThis
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public async getAntennas() {
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if (!this.antennasFetched) {
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this.antennas = await this.antennasRepository.findBy({
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isActive: true,
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});
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this.antennasFetched = true;
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}
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return this.antennas;
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}
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@bindThis
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public dispose(): void {
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this.redisForSub.off('message', this.onRedisMessage);
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}
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@bindThis
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public onApplicationShutdown(signal?: string | undefined): void {
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this.dispose();
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}
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}
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