mirror of
https://github.com/misskey-dev/misskey
synced 2024-05-18 09:20:04 +02:00
285 lines
10 KiB
TypeScript
285 lines
10 KiB
TypeScript
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import { Inject, Injectable, OnApplicationShutdown } from '@nestjs/common';
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import Redis from 'ioredis';
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import { IdService } from '@/core/IdService.js';
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import type { User } from '@/models/entities/User.js';
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import type { Blocking } from '@/models/entities/Blocking.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 PerUserFollowingChart from '@/core/chart/charts/per-user-following.js';
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import { DI } from '@/di-symbols.js';
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import type { UsersRepository, FollowingsRepository, FollowRequestsRepository, BlockingsRepository, UserListsRepository, UserListJoiningsRepository } from '@/models/index.js';
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import Logger from '@/logger.js';
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import { UserEntityService } from '@/core/entities/UserEntityService.js';
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import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
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import { LoggerService } from '@/core/LoggerService.js';
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import { WebhookService } from '@/core/WebhookService.js';
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import { bindThis } from '@/decorators.js';
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import { KVCache } from '@/misc/cache.js';
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import { StreamMessages } from '@/server/api/stream/types.js';
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@Injectable()
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export class UserBlockingService implements OnApplicationShutdown {
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private logger: Logger;
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// キーがユーザーIDで、値がそのユーザーがブロックしているユーザーのIDのリストなキャッシュ
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private blockingsByUserIdCache: KVCache<User['id'][]>;
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constructor(
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@Inject(DI.redisSubscriber)
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private redisSubscriber: Redis.Redis,
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@Inject(DI.usersRepository)
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private usersRepository: UsersRepository,
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@Inject(DI.followingsRepository)
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private followingsRepository: FollowingsRepository,
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@Inject(DI.followRequestsRepository)
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private followRequestsRepository: FollowRequestsRepository,
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@Inject(DI.blockingsRepository)
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private blockingsRepository: BlockingsRepository,
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@Inject(DI.userListsRepository)
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private userListsRepository: UserListsRepository,
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@Inject(DI.userListJoiningsRepository)
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private userListJoiningsRepository: UserListJoiningsRepository,
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private userEntityService: UserEntityService,
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private idService: IdService,
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private queueService: QueueService,
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private globalEventService: GlobalEventService,
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private webhookService: WebhookService,
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private apRendererService: ApRendererService,
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private perUserFollowingChart: PerUserFollowingChart,
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private loggerService: LoggerService,
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) {
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this.logger = this.loggerService.getLogger('user-block');
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this.blockingsByUserIdCache = new KVCache<User['id'][]>(Infinity);
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this.redisSubscriber.on('message', this.onMessage);
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}
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@bindThis
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private async onMessage(_: 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 StreamMessages['internal']['payload'];
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switch (type) {
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case 'blockingCreated': {
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const cached = this.blockingsByUserIdCache.get(body.blockerId);
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if (cached) {
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this.blockingsByUserIdCache.set(body.blockerId, [...cached, ...[body.blockeeId]]);
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}
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break;
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}
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case 'blockingDeleted': {
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const cached = this.blockingsByUserIdCache.get(body.blockerId);
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if (cached) {
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this.blockingsByUserIdCache.set(body.blockerId, cached.filter(x => x !== body.blockeeId));
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}
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break;
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}
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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 block(blocker: User, blockee: User) {
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await Promise.all([
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this.cancelRequest(blocker, blockee),
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this.cancelRequest(blockee, blocker),
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this.unFollow(blocker, blockee),
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this.unFollow(blockee, blocker),
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this.removeFromList(blockee, blocker),
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]);
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const blocking = {
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id: this.idService.genId(),
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createdAt: new Date(),
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blocker,
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blockerId: blocker.id,
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blockee,
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blockeeId: blockee.id,
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} as Blocking;
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await this.blockingsRepository.insert(blocking);
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this.globalEventService.publishInternalEvent('blockingCreated', {
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blockerId: blocker.id,
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blockeeId: blockee.id,
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});
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if (this.userEntityService.isLocalUser(blocker) && this.userEntityService.isRemoteUser(blockee)) {
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const content = this.apRendererService.addContext(this.apRendererService.renderBlock(blocking));
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this.queueService.deliver(blocker, content, blockee.inbox, false);
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}
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}
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@bindThis
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private async cancelRequest(follower: User, followee: User) {
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const request = await this.followRequestsRepository.findOneBy({
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followeeId: followee.id,
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followerId: follower.id,
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});
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if (request == null) {
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return;
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}
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await this.followRequestsRepository.delete({
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followeeId: followee.id,
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followerId: follower.id,
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});
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if (this.userEntityService.isLocalUser(followee)) {
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this.userEntityService.pack(followee, followee, {
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detail: true,
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}).then(packed => this.globalEventService.publishMainStream(followee.id, 'meUpdated', packed));
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}
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if (this.userEntityService.isLocalUser(follower)) {
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this.userEntityService.pack(followee, follower, {
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detail: true,
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}).then(async packed => {
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this.globalEventService.publishUserEvent(follower.id, 'unfollow', packed);
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this.globalEventService.publishMainStream(follower.id, 'unfollow', packed);
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const webhooks = (await this.webhookService.getActiveWebhooks()).filter(x => x.userId === follower.id && x.on.includes('unfollow'));
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for (const webhook of webhooks) {
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this.queueService.webhookDeliver(webhook, 'unfollow', {
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user: packed,
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});
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}
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});
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}
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// リモートにフォローリクエストをしていたらUndoFollow送信
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if (this.userEntityService.isLocalUser(follower) && this.userEntityService.isRemoteUser(followee)) {
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const content = this.apRendererService.addContext(this.apRendererService.renderUndo(this.apRendererService.renderFollow(follower, followee), follower));
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this.queueService.deliver(follower, content, followee.inbox, false);
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}
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// リモートからフォローリクエストを受けていたらReject送信
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if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) {
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const content = this.apRendererService.addContext(this.apRendererService.renderReject(this.apRendererService.renderFollow(follower, followee, request.requestId!), followee));
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this.queueService.deliver(followee, content, follower.inbox, false);
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}
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}
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@bindThis
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private async unFollow(follower: User, followee: User) {
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const following = await this.followingsRepository.findOneBy({
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followerId: follower.id,
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followeeId: followee.id,
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});
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if (following == null) {
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return;
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}
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await Promise.all([
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this.followingsRepository.delete(following.id),
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this.usersRepository.decrement({ id: follower.id }, 'followingCount', 1),
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this.usersRepository.decrement({ id: followee.id }, 'followersCount', 1),
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this.perUserFollowingChart.update(follower, followee, false),
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]);
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// Publish unfollow event
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if (this.userEntityService.isLocalUser(follower)) {
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this.userEntityService.pack(followee, follower, {
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detail: true,
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}).then(async packed => {
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this.globalEventService.publishUserEvent(follower.id, 'unfollow', packed);
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this.globalEventService.publishMainStream(follower.id, 'unfollow', packed);
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const webhooks = (await this.webhookService.getActiveWebhooks()).filter(x => x.userId === follower.id && x.on.includes('unfollow'));
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for (const webhook of webhooks) {
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this.queueService.webhookDeliver(webhook, 'unfollow', {
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user: packed,
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});
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}
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});
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}
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// リモートにフォローをしていたらUndoFollow送信
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if (this.userEntityService.isLocalUser(follower) && this.userEntityService.isRemoteUser(followee)) {
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const content = this.apRendererService.addContext(this.apRendererService.renderUndo(this.apRendererService.renderFollow(follower, followee), follower));
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this.queueService.deliver(follower, content, followee.inbox, false);
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}
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// リモートからフォローをされていたらRejectFollow送信
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if (this.userEntityService.isLocalUser(followee) && this.userEntityService.isRemoteUser(follower)) {
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const content = this.apRendererService.addContext(this.apRendererService.renderReject(this.apRendererService.renderFollow(follower, followee), followee));
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this.queueService.deliver(followee, content, follower.inbox, false);
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}
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}
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@bindThis
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private async removeFromList(listOwner: User, user: User) {
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const userLists = await this.userListsRepository.findBy({
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userId: listOwner.id,
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});
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for (const userList of userLists) {
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await this.userListJoiningsRepository.delete({
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userListId: userList.id,
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userId: user.id,
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});
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}
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}
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@bindThis
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public async unblock(blocker: User, blockee: User) {
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const blocking = await this.blockingsRepository.findOneBy({
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blockerId: blocker.id,
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blockeeId: blockee.id,
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});
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if (blocking == null) {
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this.logger.warn('ブロック解除がリクエストされましたがブロックしていませんでした');
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return;
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}
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// Since we already have the blocker and blockee, we do not need to fetch
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// them in the query above and can just manually insert them here.
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blocking.blocker = blocker;
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blocking.blockee = blockee;
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await this.blockingsRepository.delete(blocking.id);
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this.globalEventService.publishInternalEvent('blockingDeleted', {
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blockerId: blocker.id,
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blockeeId: blockee.id,
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});
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// deliver if remote bloking
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if (this.userEntityService.isLocalUser(blocker) && this.userEntityService.isRemoteUser(blockee)) {
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const content = this.apRendererService.addContext(this.apRendererService.renderUndo(this.apRendererService.renderBlock(blocking), blocker));
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this.queueService.deliver(blocker, content, blockee.inbox, false);
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}
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}
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@bindThis
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public async checkBlocked(blockerId: User['id'], blockeeId: User['id']): Promise<boolean> {
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const blockedUserIds = await this.blockingsByUserIdCache.fetch(blockerId, () => this.blockingsRepository.find({
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where: {
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blockerId,
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},
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select: ['blockeeId'],
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}).then(records => records.map(record => record.blockeeId)));
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return blockedUserIds.includes(blockeeId);
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}
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@bindThis
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public onApplicationShutdown(signal?: string | undefined) {
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this.redisSubscriber.off('message', this.onMessage);
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}
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}
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