2022-09-17 21:27:08 +03:00
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import { Inject, Injectable } from '@nestjs/common';
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import { IdService } from '@/core/IdService.js';
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import type { CacheableUser, 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 { UserEntityService } from './entities/UserEntityService.js';
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import { WebhookService } from './WebhookService.js';
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import { ApRendererService } from './remote/activitypub/ApRendererService.js';
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@Injectable()
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export class UserBlockingService {
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constructor(
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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 globalEventServie: 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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) {
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}
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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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2022-09-17 21:27:08 +03:00
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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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if (this.userEntityService.isLocalUser(blocker) && this.userEntityService.isRemoteUser(blockee)) {
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const content = this.apRendererService.renderActivity(this.apRendererService.renderBlock(blocking));
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this.queueService.deliver(blocker, content, blockee.inbox);
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}
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}
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2022-09-18 21:11:50 +03:00
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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.globalEventServie.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.globalEventServie.publishUserEvent(follower.id, 'unfollow', packed);
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this.globalEventServie.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.renderActivity(this.apRendererService.renderUndo(this.apRendererService.renderFollow(follower, followee), follower));
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this.queueService.deliver(follower, content, followee.inbox);
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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.renderActivity(this.apRendererService.renderReject(this.apRendererService.renderFollow(follower, followee, request.requestId!), followee));
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this.queueService.deliver(followee, content, follower.inbox);
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}
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}
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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.globalEventServie.publishUserEvent(follower.id, 'unfollow', packed);
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this.globalEventServie.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.renderActivity(this.apRendererService.renderUndo(this.apRendererService.renderFollow(follower, followee), follower));
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this.queueService.deliver(follower, content, followee.inbox);
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}
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}
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2022-09-18 21:11:50 +03:00
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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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public async unblock(blocker: CacheableUser, blockee: CacheableUser) {
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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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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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// 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.renderActivity(this.apRendererService.renderUndo(this.apRendererService.renderBlock(blocking), blocker));
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this.queueService.deliver(blocker, content, blockee.inbox);
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}
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}
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}
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