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https://github.com/MisskeyIO/misskey
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fix(backend/UserSuspendService): 凍結・解凍の処理でfollowingテーブルの全てのデータをfetchしてしまいOOMになる問題を修正 (MisskeyIO#598)
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まっちゃとーにゅ
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@ -4,86 +4,127 @@
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*/
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import { Inject, Injectable } from '@nestjs/common';
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import { Not, IsNull } from 'typeorm';
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import type { FollowingsRepository } from '@/models/_.js';
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import { Not, IsNull, Brackets, DataSource, EntityManager } from 'typeorm';
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import { bindThis } from '@/decorators.js';
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import { DI } from '@/di-symbols.js';
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import type Logger from '@/logger.js';
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import type { MiUser } from '@/models/User.js';
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import type { FollowingsRepository } from '@/models/_.js';
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import { QueueService } from '@/core/QueueService.js';
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import { GlobalEventService } from '@/core/GlobalEventService.js';
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import { DI } from '@/di-symbols.js';
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import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
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import { UserEntityService } from '@/core/entities/UserEntityService.js';
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import { bindThis } from '@/decorators.js';
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import { LoggerService } from '@/core/LoggerService.js';
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@Injectable()
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export class UserSuspendService {
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public logger: Logger;
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constructor(
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@Inject(DI.db)
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private db: DataSource,
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@Inject(DI.followingsRepository)
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private followingsRepository: FollowingsRepository,
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private userEntityService: UserEntityService,
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private queueService: QueueService,
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private globalEventService: GlobalEventService,
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private apRendererService: ApRendererService,
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private userEntityService: UserEntityService,
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private loggerService: LoggerService,
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) {
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this.logger = this.loggerService.getLogger('account:suspend');
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}
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@bindThis
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public async doPostSuspend(user: { id: MiUser['id']; host: MiUser['host'] }): Promise<void> {
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this.logger.warn(`doPostSuspend: ${user.id} (host: ${user.host})`);
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this.globalEventService.publishInternalEvent('userChangeSuspendedState', { id: user.id, isSuspended: true });
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if (this.userEntityService.isLocalUser(user)) {
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// 知り得る全SharedInboxにDelete配信
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const content = this.apRendererService.addContext(this.apRendererService.renderDelete(this.userEntityService.genLocalUserUri(user.id), user));
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const queue: string[] = [];
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this.logger.info(`Delivering delete activity to all shared inboxes of ${user.id}`);
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await this.db.transaction(async (transactionalEntityManager: EntityManager) => {
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const inboxesCte = transactionalEntityManager.createQueryBuilder()
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.select('distinct coalesce(following.followerSharedInbox, following.followeeSharedInbox)', 'inbox')
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.from(this.followingsRepository.metadata.targetName, 'following')
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.where(new Brackets((qb) => qb.where({ followerHost: Not(IsNull()) }).orWhere({ followeeHost: Not(IsNull()) })))
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.andWhere(new Brackets((qb) => qb.where({ followerSharedInbox: Not(IsNull()) }).orWhere({ followeeSharedInbox: Not(IsNull()) })))
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.orderBy('inbox');
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const followings = await this.followingsRepository.find({
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where: [
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{ followerSharedInbox: Not(IsNull()) },
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{ followeeSharedInbox: Not(IsNull()) },
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],
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select: ['followerSharedInbox', 'followeeSharedInbox'],
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let offset = 0;
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let cursor = '';
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while (true) { // eslint-disable-line @typescript-eslint/no-unnecessary-condition, no-constant-condition
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const inboxes = await transactionalEntityManager.createQueryBuilder().addCommonTableExpression(inboxesCte, 'inboxes')
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.select('inbox').from('inboxes', 'inboxes').where('inbox > :cursor', { cursor }).limit(500).getRawMany<{ inbox: string }>()
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.then((rows) => rows.map((row) => row.inbox));
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if (inboxes.length === 0) break;
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this.logger.info(`Delivering delete activity to ${offset} - ${offset + inboxes.length} shared inboxes of ${user.id}`);
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for (const inbox of inboxes) {
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try {
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this.queueService.deliver(user, content, inbox, true);
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} catch (err) {
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this.logger.error(`Failed to deliver delete activity to ${inbox}: ${err}`, { error: err, inbox });
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}
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}
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offset += inboxes.length;
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cursor = inboxes[inboxes.length - 1];
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}
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});
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const inboxes = followings.map(x => x.followerSharedInbox ?? x.followeeSharedInbox);
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for (const inbox of inboxes) {
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if (inbox != null && !queue.includes(inbox)) queue.push(inbox);
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}
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for (const inbox of queue) {
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this.queueService.deliver(user, content, inbox, true);
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}
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this.logger.info(`Scheduled delete activity delivery to all shared inboxes of ${user.id}`);
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}
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}
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@bindThis
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public async doPostUnsuspend(user: MiUser): Promise<void> {
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this.logger.warn(`doPostUnsuspend: ${user.id}`);
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this.globalEventService.publishInternalEvent('userChangeSuspendedState', { id: user.id, isSuspended: false });
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if (this.userEntityService.isLocalUser(user)) {
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// 知り得る全SharedInboxにUndo Delete配信
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const content = this.apRendererService.addContext(this.apRendererService.renderUndo(this.apRendererService.renderDelete(this.userEntityService.genLocalUserUri(user.id), user), user));
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const queue: string[] = [];
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this.logger.info(`Delivering undo delete activity to all shared inboxes of ${user.id}`);
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await this.db.transaction(async (transactionalEntityManager: EntityManager) => {
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const inboxesCte = transactionalEntityManager.createQueryBuilder()
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.select('distinct coalesce(following.followerSharedInbox, following.followeeSharedInbox)', 'inbox')
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.from(this.followingsRepository.metadata.targetName, 'following')
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.where(new Brackets((qb) => qb.where({ followerHost: Not(IsNull()) }).orWhere({ followeeHost: Not(IsNull()) })))
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.andWhere(new Brackets((qb) => qb.where({ followerSharedInbox: Not(IsNull()) }).orWhere({ followeeSharedInbox: Not(IsNull()) })))
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.orderBy('inbox');
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const followings = await this.followingsRepository.find({
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where: [
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{ followerSharedInbox: Not(IsNull()) },
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{ followeeSharedInbox: Not(IsNull()) },
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],
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select: ['followerSharedInbox', 'followeeSharedInbox'],
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let offset = 0;
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let cursor = '';
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while (true) { // eslint-disable-line @typescript-eslint/no-unnecessary-condition, no-constant-condition
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const inboxes = await transactionalEntityManager.createQueryBuilder().addCommonTableExpression(inboxesCte, 'inboxes')
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.select('inbox').from('inboxes', 'inboxes').where('inbox > :cursor', { cursor }).limit(500).getRawMany<{ inbox: string }>()
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.then((rows) => rows.map((row) => row.inbox));
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if (inboxes.length === 0) break;
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this.logger.info(`Delivering undo delete activity to ${offset} - ${offset + inboxes.length} shared inboxes of ${user.id}`);
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for (const inbox of inboxes) {
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try {
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this.queueService.deliver(user, content, inbox, true);
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} catch (err) {
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this.logger.error(`Failed to deliver undo delete activity to ${inbox}: ${err}`, { error: err, inbox });
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}
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}
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offset += inboxes.length;
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cursor = inboxes[inboxes.length - 1];
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}
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});
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const inboxes = followings.map(x => x.followerSharedInbox ?? x.followeeSharedInbox);
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for (const inbox of inboxes) {
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if (inbox != null && !queue.includes(inbox)) queue.push(inbox);
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}
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for (const inbox of queue) {
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this.queueService.deliver(user as any, content, inbox, true);
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}
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this.logger.info(`Scheduled undo delete activity delivery to all shared inboxes of ${user.id}`);
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}
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}
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}
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