import { Inject, Injectable } from '@nestjs/common'; import ms from 'ms'; import { Endpoint } from '@/server/api/endpoint-base.js'; import { UsersRepository, NotesRepository } from '@/models/index.js'; import type { Note } from '@/models/entities/Note.js'; import type { CacheableLocalUser, User } from '@/models/entities/User.js'; import { isActor, isPost, getApId } from '@/core/remote/activitypub/type.js'; import type { SchemaType } from '@/misc/schema.js'; import { ApResolverService } from '@/core/remote/activitypub/ApResolverService.js'; import { ApDbResolverService } from '@/core/remote/activitypub/ApDbResolverService.js'; import { MetaService } from '@/core/MetaService.js'; import { ApPersonService } from '@/core/remote/activitypub/models/ApPersonService.js'; import { ApNoteService } from '@/core/remote/activitypub/models/ApNoteService.js'; import { UserEntityService } from '@/core/entities/UserEntityService.js'; import { NoteEntityService } from '@/core/entities/NoteEntityService.js'; import { UtilityService } from '@/core/UtilityService.js'; import { DI } from '@/di-symbols.js'; import { ApiError } from '../../error.js'; export const meta = { tags: ['federation'], requireCredential: true, limit: { duration: ms('1hour'), max: 30, }, errors: { noSuchObject: { message: 'No such object.', code: 'NO_SUCH_OBJECT', id: 'dc94d745-1262-4e63-a17d-fecaa57efc82', }, }, res: { optional: false, nullable: false, oneOf: [ { type: 'object', properties: { type: { type: 'string', optional: false, nullable: false, enum: ['User'], }, object: { type: 'object', optional: false, nullable: false, ref: 'UserDetailedNotMe', }, }, }, { type: 'object', properties: { type: { type: 'string', optional: false, nullable: false, enum: ['Note'], }, object: { type: 'object', optional: false, nullable: false, ref: 'Note', }, }, }, ], }, } as const; export const paramDef = { type: 'object', properties: { uri: { type: 'string' }, }, required: ['uri'], } as const; // eslint-disable-next-line import/no-default-export @Injectable() export default class extends Endpoint { constructor( @Inject(DI.usersRepository) private usersRepository: UsersRepository, @Inject(DI.notesRepository) private notesRepository: NotesRepository, private utilityService: UtilityService, private userEntityService: UserEntityService, private noteEntityService: NoteEntityService, private metaService: MetaService, private apResolverService: ApResolverService, private apDbResolverService: ApDbResolverService, private apPersonService: ApPersonService, private apNoteService: ApNoteService, ) { super(meta, paramDef, async (ps, me) => { const object = await this.fetchAny(ps.uri, me); if (object) { return object; } else { throw new ApiError(meta.errors.noSuchObject); } }); } /*** * URIからUserかNoteを解決する */ private async fetchAny(uri: string, me: CacheableLocalUser | null | undefined): Promise | null> { // ブロックしてたら中断 const fetchedMeta = await this.metaService.fetch(); if (fetchedMeta.blockedHosts.includes(this.utilityService.extractDbHost(uri))) return null; let local = await this.mergePack(me, ...await Promise.all([ this.apDbResolverService.getUserFromApId(uri), this.apDbResolverService.getNoteFromApId(uri), ])); if (local != null) return local; // リモートから一旦オブジェクトフェッチ const resolver = this.apResolverService.createResolver(); const object = await resolver.resolve(uri) as any; // /@user のような正規id以外で取得できるURIが指定されていた場合、ここで初めて正規URIが確定する // これはDBに存在する可能性があるため再度DB検索 if (uri !== object.id) { local = await this.mergePack(me, ...await Promise.all([ this.apDbResolverService.getUserFromApId(object.id), this.apDbResolverService.getNoteFromApId(object.id), ])); if (local != null) return local; } return await this.mergePack( me, isActor(object) ? await this.apPersonService.createPerson(getApId(object)) : null, isPost(object) ? await this.apNoteService.createNote(getApId(object), undefined, true) : null, ); } private async mergePack(me: CacheableLocalUser | null | undefined, user: User | null | undefined, note: Note | null | undefined): Promise | null> { if (user != null) { return { type: 'User', object: await this.userEntityService.pack(user, me, { detail: true }), }; } else if (note != null) { try { const object = await this.noteEntityService.pack(note, me, { detail: true }); return { type: 'Note', object, }; } catch (e) { return null; } } return null; } }