diff --git a/packages/backend/src/core/UserFollowingService.ts b/packages/backend/src/core/UserFollowingService.ts index 8ad85391c652..d87cbacdcb57 100644 --- a/packages/backend/src/core/UserFollowingService.ts +++ b/packages/backend/src/core/UserFollowingService.ts @@ -30,6 +30,7 @@ import type { Config } from '@/config.js'; import { AccountMoveService } from '@/core/AccountMoveService.js'; import { UtilityService } from '@/core/UtilityService.js'; import { FanoutTimelineService } from '@/core/FanoutTimelineService.js'; +import type { ThinUser } from '@/queue/types.js'; import Logger from '../logger.js'; const logger = new Logger('following/create'); @@ -94,20 +95,43 @@ export class UserFollowingService implements OnModuleInit { this.userBlockingService = this.moduleRef.get('UserBlockingService'); } + @bindThis + public async deliverAccept(follower: MiRemoteUser, followee: MiPartialLocalUser, requestId?: string) { + const content = this.apRendererService.addContext(this.apRendererService.renderAccept(this.apRendererService.renderFollow(follower, followee, requestId), followee)); + this.queueService.deliver(followee, content, follower.inbox, false); + } + + /** + * ThinUserでなくともユーザーの情報が最新でない場合はこちらを使うべき + */ + @bindThis + public async followByThinUser( + _follower: ThinUser, + _followee: ThinUser, + options: Parameters[2] = {}, + ) { + const [follower, followee] = await Promise.all([ + this.usersRepository.findOneByOrFail({ id: _follower.id }), + this.usersRepository.findOneByOrFail({ id: _followee.id }), + ]) as [MiLocalUser | MiRemoteUser, MiLocalUser | MiRemoteUser]; + + await this.follow(follower, followee, options); + } + @bindThis public async follow( - _follower: { id: MiUser['id'] }, - _followee: { id: MiUser['id'] }, + follower: MiLocalUser | MiRemoteUser, + followee: MiLocalUser | MiRemoteUser, { requestId, silent = false, withReplies }: { requestId?: string, silent?: boolean, withReplies?: boolean, } = {}, ): Promise { - const [follower, followee] = await Promise.all([ - this.usersRepository.findOneByOrFail({ id: _follower.id }), - this.usersRepository.findOneByOrFail({ id: _followee.id }), - ]) as [MiLocalUser | MiRemoteUser, MiLocalUser | MiRemoteUser]; + if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isRemoteUser(followee)) { + // What? + throw new Error('Remote user cannot follow remote user.'); + } // check blocking const [blocking, blocked] = await Promise.all([ @@ -129,6 +153,24 @@ export class UserFollowingService implements OnModuleInit { if (blocked) throw new IdentifiableError('3338392a-f764-498d-8855-db939dcf8c48', 'blocked'); } + if (await this.followingsRepository.exists({ + where: { + followerId: follower.id, + followeeId: followee.id, + }, + })) { + // すでにフォロー関係が存在している場合 + if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) { + // リモート → ローカル: acceptを送り返しておしまい + this.deliverAccept(follower, followee, requestId); + return; + } + if (this.userEntityService.isLocalUser(follower)) { + // ローカル → リモート/ローカル: 例外 + throw new IdentifiableError('ec3f65c0-a9d1-47d9-8791-b2e7b9dcdced', 'already following'); + } + } + const followeeProfile = await this.userProfilesRepository.findOneByOrFail({ userId: followee.id }); // フォロー対象が鍵アカウントである or // フォロワーがBotであり、フォロー対象がBotからのフォローに慎重である or @@ -189,8 +231,7 @@ export class UserFollowingService implements OnModuleInit { await this.insertFollowingDoc(followee, follower, silent, withReplies); if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) { - const content = this.apRendererService.addContext(this.apRendererService.renderAccept(this.apRendererService.renderFollow(follower, followee, requestId), followee)); - this.queueService.deliver(followee, content, follower.inbox, false); + this.deliverAccept(follower, followee, requestId); } } @@ -571,8 +612,7 @@ export class UserFollowingService implements OnModuleInit { await this.insertFollowingDoc(followee, follower, false, request.withReplies); if (this.userEntityService.isRemoteUser(follower) && this.userEntityService.isLocalUser(followee)) { - const content = this.apRendererService.addContext(this.apRendererService.renderAccept(this.apRendererService.renderFollow(follower, followee as MiPartialLocalUser, request.requestId!), followee)); - this.queueService.deliver(followee, content, follower.inbox, false); + this.deliverAccept(follower, followee as MiPartialLocalUser, request.requestId ?? undefined); } this.userEntityService.pack(followee.id, followee, { diff --git a/packages/backend/src/queue/processors/RelationshipProcessorService.ts b/packages/backend/src/queue/processors/RelationshipProcessorService.ts index 408b02fb380c..53dbb4216905 100644 --- a/packages/backend/src/queue/processors/RelationshipProcessorService.ts +++ b/packages/backend/src/queue/processors/RelationshipProcessorService.ts @@ -35,7 +35,7 @@ export class RelationshipProcessorService { @bindThis public async processFollow(job: Bull.Job): Promise { this.logger.info(`${job.data.from.id} is trying to follow ${job.data.to.id} ${job.data.withReplies ? "with replies" : "without replies"}`); - await this.userFollowingService.follow(job.data.from, job.data.to, { + await this.userFollowingService.followByThinUser(job.data.from, job.data.to, { requestId: job.data.requestId, silent: job.data.silent, withReplies: job.data.withReplies, diff --git a/packages/backend/src/server/api/endpoints/following/create.ts b/packages/backend/src/server/api/endpoints/following/create.ts index ceaf32ccb276..042d7f119d3a 100644 --- a/packages/backend/src/server/api/endpoints/following/create.ts +++ b/packages/backend/src/server/api/endpoints/following/create.ts @@ -100,22 +100,11 @@ export default class extends Endpoint { // eslint- throw err; }); - // Check if already following - const exist = await this.followingsRepository.exists({ - where: { - followerId: follower.id, - followeeId: followee.id, - }, - }); - - if (exist) { - throw new ApiError(meta.errors.alreadyFollowing); - } - try { await this.userFollowingService.follow(follower, followee, { withReplies: ps.withReplies }); } catch (e) { if (e instanceof IdentifiableError) { + if (e.id === 'ec3f65c0-a9d1-47d9-8791-b2e7b9dcdced') throw new ApiError(meta.errors.alreadyFollowing); if (e.id === '710e8fb0-b8c3-4922-be49-d5d93d8e6a6e') throw new ApiError(meta.errors.blocking); if (e.id === '3338392a-f764-498d-8855-db939dcf8c48') throw new ApiError(meta.errors.blocked); }