179 lines
6.5 KiB
TypeScript
179 lines
6.5 KiB
TypeScript
import { Brackets, In } from 'typeorm';
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import { Injectable, Inject } from '@nestjs/common';
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import type { User, LocalUser, RemoteUser } from '@/models/entities/User.js';
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import type { Note, IMentionedRemoteUsers } from '@/models/entities/Note.js';
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import type { InstancesRepository, NotesRepository, UsersRepository } from '@/models/index.js';
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import { RelayService } from '@/core/RelayService.js';
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import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
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import { DI } from '@/di-symbols.js';
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import type { Config } from '@/config.js';
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import NotesChart from '@/core/chart/charts/notes.js';
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import PerUserNotesChart from '@/core/chart/charts/per-user-notes.js';
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import InstanceChart from '@/core/chart/charts/instance.js';
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import { GlobalEventService } from '@/core/GlobalEventService.js';
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import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
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import { ApDeliverManagerService } from '@/core/activitypub/ApDeliverManagerService.js';
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import { UserEntityService } from '@/core/entities/UserEntityService.js';
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import { NoteEntityService } from '@/core/entities/NoteEntityService.js';
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import { bindThis } from '@/decorators.js';
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import { MetaService } from '@/core/MetaService.js';
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@Injectable()
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export class NoteDeleteService {
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constructor(
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@Inject(DI.config)
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private config: Config,
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@Inject(DI.usersRepository)
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private usersRepository: UsersRepository,
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@Inject(DI.notesRepository)
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private notesRepository: NotesRepository,
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@Inject(DI.instancesRepository)
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private instancesRepository: InstancesRepository,
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private userEntityService: UserEntityService,
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private noteEntityService: NoteEntityService,
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private globalEventService: GlobalEventService,
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private relayService: RelayService,
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private federatedInstanceService: FederatedInstanceService,
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private apRendererService: ApRendererService,
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private apDeliverManagerService: ApDeliverManagerService,
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private metaService: MetaService,
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private notesChart: NotesChart,
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private perUserNotesChart: PerUserNotesChart,
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private instanceChart: InstanceChart,
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) {}
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/**
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* 投稿を削除します。
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* @param user 投稿者
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* @param note 投稿
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*/
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async delete(user: { id: User['id']; uri: User['uri']; host: User['host']; isBot: User['isBot']; }, note: Note, quiet = false) {
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const deletedAt = new Date();
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// この投稿を除く指定したユーザーによる指定したノートのリノートが存在しないとき
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if (note.renoteId && (await this.noteEntityService.countSameRenotes(user.id, note.renoteId, note.id)) === 0) {
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this.notesRepository.decrement({ id: note.renoteId }, 'renoteCount', 1);
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if (!user.isBot) this.notesRepository.decrement({ id: note.renoteId }, 'score', 1);
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}
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if (note.replyId) {
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await this.notesRepository.decrement({ id: note.replyId }, 'repliesCount', 1);
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}
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if (!quiet) {
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this.globalEventService.publishNoteStream(note.id, 'deleted', {
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deletedAt: deletedAt,
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});
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//#region ローカルの投稿なら削除アクティビティを配送
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if (this.userEntityService.isLocalUser(user) && !note.localOnly) {
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let renote: Note | null = null;
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// if deletd note is renote
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if (note.renoteId && note.text == null && !note.hasPoll && (note.fileIds == null || note.fileIds.length === 0)) {
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renote = await this.notesRepository.findOneBy({
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id: note.renoteId,
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});
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}
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const content = this.apRendererService.addContext(renote
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? this.apRendererService.renderUndo(this.apRendererService.renderAnnounce(renote.uri ?? `${this.config.url}/notes/${renote.id}`, note), user)
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: this.apRendererService.renderDelete(this.apRendererService.renderTombstone(`${this.config.url}/notes/${note.id}`), user));
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this.deliverToConcerned(user, note, content);
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}
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// also deliever delete activity to cascaded notes
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const cascadingNotes = (await this.findCascadingNotes(note)).filter(note => !note.localOnly); // filter out local-only notes
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for (const cascadingNote of cascadingNotes) {
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if (!cascadingNote.user) continue;
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if (!this.userEntityService.isLocalUser(cascadingNote.user)) continue;
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const content = this.apRendererService.addContext(this.apRendererService.renderDelete(this.apRendererService.renderTombstone(`${this.config.url}/notes/${cascadingNote.id}`), cascadingNote.user));
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this.deliverToConcerned(cascadingNote.user, cascadingNote, content);
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}
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//#endregion
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const meta = await this.metaService.fetch();
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this.notesChart.update(note, false);
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if (meta.enableChartsForRemoteUser || (user.host == null)) {
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this.perUserNotesChart.update(user, note, false);
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}
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if (this.userEntityService.isRemoteUser(user)) {
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this.federatedInstanceService.fetch(user.host).then(i => {
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this.instancesRepository.decrement({ id: i.id }, 'notesCount', 1);
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this.instanceChart.updateNote(i.host, note, false);
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});
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}
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}
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await this.notesRepository.delete({
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id: note.id,
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userId: user.id,
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});
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}
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@bindThis
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private async findCascadingNotes(note: Note) {
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const cascadingNotes: Note[] = [];
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const recursive = async (noteId: string) => {
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const query = this.notesRepository.createQueryBuilder('note')
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.where('note.replyId = :noteId', { noteId })
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.orWhere(new Brackets(q => {
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q.where('note.renoteId = :noteId', { noteId })
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.andWhere('note.text IS NOT NULL');
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}))
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.leftJoinAndSelect('note.user', 'user');
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const replies = await query.getMany();
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for (const reply of replies) {
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cascadingNotes.push(reply);
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await recursive(reply.id);
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}
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};
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await recursive(note.id);
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return cascadingNotes.filter(note => note.userHost === null); // filter out non-local users
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}
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@bindThis
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private async getMentionedRemoteUsers(note: Note) {
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const where = [] as any[];
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// mention / reply / dm
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const uris = (JSON.parse(note.mentionedRemoteUsers) as IMentionedRemoteUsers).map(x => x.uri);
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if (uris.length > 0) {
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where.push(
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{ uri: In(uris) },
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);
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}
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// renote / quote
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if (note.renoteUserId) {
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where.push({
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id: note.renoteUserId,
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});
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}
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if (where.length === 0) return [];
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return await this.usersRepository.find({
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where,
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}) as RemoteUser[];
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}
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@bindThis
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private async deliverToConcerned(user: { id: LocalUser['id']; host: null; }, note: Note, content: any) {
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this.apDeliverManagerService.deliverToFollowers(user, content);
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this.relayService.deliverToRelays(user, content);
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const remoteUsers = await this.getMentionedRemoteUsers(note);
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for (const remoteUser of remoteUsers) {
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this.apDeliverManagerService.deliverToUser(user, content, remoteUser);
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}
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}
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}
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