644 lines
19 KiB
TypeScript
644 lines
19 KiB
TypeScript
import { IncomingMessage } from 'node:http';
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import { Inject, Injectable } from '@nestjs/common';
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import fastifyAccepts from '@fastify/accepts';
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import httpSignature from '@peertube/http-signature';
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import { Brackets, In, IsNull, LessThan, Not } from 'typeorm';
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import accepts from 'accepts';
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import vary from 'vary';
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import { DI } from '@/di-symbols.js';
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import type { FollowingsRepository, NotesRepository, EmojisRepository, NoteReactionsRepository, UserProfilesRepository, UserNotePiningsRepository, UsersRepository } from '@/models/index.js';
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import * as url from '@/misc/prelude/url.js';
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import type { Config } from '@/config.js';
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import { ApRendererService } from '@/core/activitypub/ApRendererService.js';
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import { QueueService } from '@/core/QueueService.js';
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import type { LocalUser, User } from '@/models/entities/User.js';
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import { UserKeypairService } from '@/core/UserKeypairService.js';
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import type { Following } from '@/models/entities/Following.js';
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import { countIf } from '@/misc/prelude/array.js';
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import type { Note } from '@/models/entities/Note.js';
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import { QueryService } from '@/core/QueryService.js';
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import { UtilityService } from '@/core/UtilityService.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 { IActivity } from '@/core/activitypub/type.js';
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import type { FastifyInstance, FastifyRequest, FastifyReply, FastifyPluginOptions } from 'fastify';
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import type { FindOptionsWhere } from 'typeorm';
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const ACTIVITY_JSON = 'application/activity+json; charset=utf-8';
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const LD_JSON = 'application/ld+json; profile="https://www.w3.org/ns/activitystreams"; charset=utf-8';
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@Injectable()
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export class ActivityPubServerService {
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constructor(
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@Inject(DI.config)
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private config: Config,
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@Inject(DI.usersRepository)
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private usersRepository: UsersRepository,
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@Inject(DI.userProfilesRepository)
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private userProfilesRepository: UserProfilesRepository,
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@Inject(DI.notesRepository)
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private notesRepository: NotesRepository,
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@Inject(DI.noteReactionsRepository)
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private noteReactionsRepository: NoteReactionsRepository,
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@Inject(DI.emojisRepository)
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private emojisRepository: EmojisRepository,
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@Inject(DI.userNotePiningsRepository)
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private userNotePiningsRepository: UserNotePiningsRepository,
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@Inject(DI.followingsRepository)
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private followingsRepository: FollowingsRepository,
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private utilityService: UtilityService,
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private userEntityService: UserEntityService,
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private apRendererService: ApRendererService,
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private queueService: QueueService,
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private userKeypairService: UserKeypairService,
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private queryService: QueryService,
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) {
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//this.createServer = this.createServer.bind(this);
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}
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@bindThis
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private setResponseType(request: FastifyRequest, reply: FastifyReply): void {
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const accept = request.accepts().type([ACTIVITY_JSON, LD_JSON]);
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if (accept === LD_JSON) {
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reply.type(LD_JSON);
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} else {
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reply.type(ACTIVITY_JSON);
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}
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}
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/**
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* Pack Create<Note> or Announce Activity
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* @param note Note
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*/
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@bindThis
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private async packActivity(note: Note): Promise<any> {
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if (note.renoteId && note.text == null && !note.hasPoll && (note.fileIds == null || note.fileIds.length === 0)) {
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const renote = await this.notesRepository.findOneByOrFail({ id: note.renoteId });
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return this.apRendererService.renderAnnounce(renote.uri ? renote.uri : `${this.config.url}/notes/${renote.id}`, note);
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}
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return this.apRendererService.renderCreate(await this.apRendererService.renderNote(note, false), note);
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}
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@bindThis
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private inbox(request: FastifyRequest, reply: FastifyReply) {
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let signature;
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try {
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signature = httpSignature.parseRequest(request.raw, { 'headers': [] });
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} catch (e) {
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reply.code(401);
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return;
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}
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// TODO: request.bodyのバリデーション？
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this.queueService.inbox(request.body as IActivity, signature);
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reply.code(202);
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}
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@bindThis
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private async followers(
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request: FastifyRequest<{ Params: { user: string; }; Querystring: { cursor?: string; page?: string; }; }>,
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reply: FastifyReply,
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) {
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const userId = request.params.user;
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const cursor = request.query.cursor;
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if (cursor != null && typeof cursor !== 'string') {
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reply.code(400);
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return;
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}
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const page = request.query.page === 'true';
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const user = await this.usersRepository.findOneBy({
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id: userId,
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host: IsNull(),
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});
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if (user == null) {
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reply.code(404);
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return;
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}
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//#region Check ff visibility
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const profile = await this.userProfilesRepository.findOneByOrFail({ userId: user.id });
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if (profile.ffVisibility === 'private') {
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reply.code(403);
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reply.header('Cache-Control', 'public, max-age=30');
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return;
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} else if (profile.ffVisibility === 'followers') {
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reply.code(403);
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reply.header('Cache-Control', 'public, max-age=30');
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return;
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}
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//#endregion
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const limit = 10;
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const partOf = `${this.config.url}/users/${userId}/followers`;
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if (page) {
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const query = {
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followeeId: user.id,
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} as FindOptionsWhere<Following>;
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// カーソルが指定されている場合
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if (cursor) {
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query.id = LessThan(cursor);
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}
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// Get followers
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const followings = await this.followingsRepository.find({
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where: query,
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take: limit + 1,
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order: { id: -1 },
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});
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// 「次のページ」があるかどうか
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const inStock = followings.length === limit + 1;
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if (inStock) followings.pop();
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const renderedFollowers = await Promise.all(followings.map(following => this.apRendererService.renderFollowUser(following.followerId)));
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const rendered = this.apRendererService.renderOrderedCollectionPage(
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`${partOf}?${url.query({
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page: 'true',
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cursor,
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})}`,
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user.followersCount, renderedFollowers, partOf,
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undefined,
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inStock ? `${partOf}?${url.query({
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page: 'true',
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cursor: followings[followings.length - 1].id,
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})}` : undefined,
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);
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this.setResponseType(request, reply);
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return (this.apRendererService.addContext(rendered));
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} else {
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// index page
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const rendered = this.apRendererService.renderOrderedCollection(partOf, user.followersCount, `${partOf}?page=true`);
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reply.header('Cache-Control', 'public, max-age=180');
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this.setResponseType(request, reply);
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return (this.apRendererService.addContext(rendered));
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}
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}
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@bindThis
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private async following(
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request: FastifyRequest<{ Params: { user: string; }; Querystring: { cursor?: string; page?: string; }; }>,
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reply: FastifyReply,
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) {
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const userId = request.params.user;
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const cursor = request.query.cursor;
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if (cursor != null && typeof cursor !== 'string') {
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reply.code(400);
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return;
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}
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const page = request.query.page === 'true';
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const user = await this.usersRepository.findOneBy({
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id: userId,
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host: IsNull(),
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});
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if (user == null) {
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reply.code(404);
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return;
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}
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//#region Check ff visibility
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const profile = await this.userProfilesRepository.findOneByOrFail({ userId: user.id });
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if (profile.ffVisibility === 'private') {
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reply.code(403);
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reply.header('Cache-Control', 'public, max-age=30');
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return;
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} else if (profile.ffVisibility === 'followers') {
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reply.code(403);
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reply.header('Cache-Control', 'public, max-age=30');
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return;
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}
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//#endregion
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const limit = 10;
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const partOf = `${this.config.url}/users/${userId}/following`;
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if (page) {
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const query = {
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followerId: user.id,
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} as FindOptionsWhere<Following>;
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// カーソルが指定されている場合
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if (cursor) {
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query.id = LessThan(cursor);
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}
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// Get followings
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const followings = await this.followingsRepository.find({
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where: query,
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take: limit + 1,
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order: { id: -1 },
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});
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// 「次のページ」があるかどうか
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const inStock = followings.length === limit + 1;
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if (inStock) followings.pop();
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const renderedFollowees = await Promise.all(followings.map(following => this.apRendererService.renderFollowUser(following.followeeId)));
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const rendered = this.apRendererService.renderOrderedCollectionPage(
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`${partOf}?${url.query({
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page: 'true',
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cursor,
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})}`,
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user.followingCount, renderedFollowees, partOf,
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undefined,
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inStock ? `${partOf}?${url.query({
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page: 'true',
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cursor: followings[followings.length - 1].id,
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})}` : undefined,
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);
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this.setResponseType(request, reply);
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return (this.apRendererService.addContext(rendered));
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} else {
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// index page
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const rendered = this.apRendererService.renderOrderedCollection(partOf, user.followingCount, `${partOf}?page=true`);
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reply.header('Cache-Control', 'public, max-age=180');
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this.setResponseType(request, reply);
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return (this.apRendererService.addContext(rendered));
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}
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}
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@bindThis
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private async featured(request: FastifyRequest<{ Params: { user: string; }; }>, reply: FastifyReply) {
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const userId = request.params.user;
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const user = await this.usersRepository.findOneBy({
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id: userId,
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host: IsNull(),
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});
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if (user == null) {
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reply.code(404);
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return;
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}
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const pinings = await this.userNotePiningsRepository.find({
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where: { userId: user.id },
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order: { id: 'DESC' },
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});
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const pinnedNotes = await Promise.all(pinings.map(pining =>
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this.notesRepository.findOneByOrFail({ id: pining.noteId })));
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const renderedNotes = await Promise.all(pinnedNotes.map(note => this.apRendererService.renderNote(note)));
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const rendered = this.apRendererService.renderOrderedCollection(
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`${this.config.url}/users/${userId}/collections/featured`,
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renderedNotes.length, undefined, undefined, renderedNotes,
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);
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reply.header('Cache-Control', 'public, max-age=180');
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this.setResponseType(request, reply);
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return (this.apRendererService.addContext(rendered));
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}
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@bindThis
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private async outbox(
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request: FastifyRequest<{
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Params: { user: string; };
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Querystring: { since_id?: string; until_id?: string; page?: string; };
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}>,
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reply: FastifyReply,
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) {
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const userId = request.params.user;
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const sinceId = request.query.since_id;
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if (sinceId != null && typeof sinceId !== 'string') {
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reply.code(400);
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return;
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}
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const untilId = request.query.until_id;
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if (untilId != null && typeof untilId !== 'string') {
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reply.code(400);
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return;
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}
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const page = request.query.page === 'true';
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if (countIf(x => x != null, [sinceId, untilId]) > 1) {
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reply.code(400);
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return;
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}
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const user = await this.usersRepository.findOneBy({
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id: userId,
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host: IsNull(),
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});
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if (user == null) {
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reply.code(404);
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return;
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}
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const limit = 20;
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const partOf = `${this.config.url}/users/${userId}/outbox`;
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if (page) {
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const query = this.queryService.makePaginationQuery(this.notesRepository.createQueryBuilder('note'), sinceId, untilId)
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.andWhere('note.userId = :userId', { userId: user.id })
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.andWhere(new Brackets(qb => { qb
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.where('note.visibility = \'public\'')
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.orWhere('note.visibility = \'home\'');
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}))
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.andWhere('note.localOnly = FALSE');
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const notes = await query.take(limit).getMany();
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if (sinceId) notes.reverse();
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const activities = await Promise.all(notes.map(note => this.packActivity(note)));
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const rendered = this.apRendererService.renderOrderedCollectionPage(
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`${partOf}?${url.query({
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page: 'true',
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since_id: sinceId,
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until_id: untilId,
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})}`,
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user.notesCount, activities, partOf,
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notes.length ? `${partOf}?${url.query({
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page: 'true',
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since_id: notes[0].id,
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})}` : undefined,
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notes.length ? `${partOf}?${url.query({
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page: 'true',
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until_id: notes[notes.length - 1].id,
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})}` : undefined,
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);
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this.setResponseType(request, reply);
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return (this.apRendererService.addContext(rendered));
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} else {
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// index page
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const rendered = this.apRendererService.renderOrderedCollection(partOf, user.notesCount,
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`${partOf}?page=true`,
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`${partOf}?page=true&since_id=000000000000000000000000`,
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);
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reply.header('Cache-Control', 'public, max-age=180');
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this.setResponseType(request, reply);
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return (this.apRendererService.addContext(rendered));
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}
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}
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@bindThis
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private async userInfo(request: FastifyRequest, reply: FastifyReply, user: User | null) {
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if (user == null) {
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reply.code(404);
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return;
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}
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reply.header('Cache-Control', 'public, max-age=180');
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this.setResponseType(request, reply);
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return (this.apRendererService.addContext(await this.apRendererService.renderPerson(user as LocalUser)));
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}
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@bindThis
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public createServer(fastify: FastifyInstance, options: FastifyPluginOptions, done: (err?: Error) => void) {
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// addConstraintStrategy の型定義がおかしいため
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(fastify.addConstraintStrategy as any)({
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name: 'apOrHtml',
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storage() {
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const store = {} as any;
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return {
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get(key: string) {
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return store[key] ?? null;
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},
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set(key: string, value: any) {
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store[key] = value;
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},
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};
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},
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deriveConstraint(request: IncomingMessage) {
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const accepted = accepts(request).type(['html', ACTIVITY_JSON, LD_JSON]);
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const isAp = typeof accepted === 'string' && !accepted.match(/html/);
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return isAp ? 'ap' : 'html';
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},
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});
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fastify.register(fastifyAccepts);
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fastify.addContentTypeParser('application/activity+json', { parseAs: 'string' }, fastify.getDefaultJsonParser('ignore', 'ignore'));
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fastify.addContentTypeParser('application/ld+json', { parseAs: 'string' }, fastify.getDefaultJsonParser('ignore', 'ignore'));
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fastify.addHook('onRequest', (request, reply, done) => {
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reply.header('Access-Control-Allow-Headers', 'Accept');
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reply.header('Access-Control-Allow-Methods', 'GET, OPTIONS');
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reply.header('Access-Control-Allow-Origin', '*');
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reply.header('Access-Control-Expose-Headers', 'Vary');
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done();
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});
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//#region Routing
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// inbox (limit: 64kb)
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fastify.post('/inbox', { bodyLimit: 1024 * 64 }, async (request, reply) => await this.inbox(request, reply));
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fastify.post('/users/:user/inbox', { bodyLimit: 1024 * 64 }, async (request, reply) => await this.inbox(request, reply));
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// note
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fastify.get<{ Params: { note: string; } }>('/notes/:note', { constraints: { apOrHtml: 'ap' } }, async (request, reply) => {
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vary(reply.raw, 'Accept');
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const note = await this.notesRepository.findOneBy({
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id: request.params.note,
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visibility: In(['public', 'home']),
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localOnly: false,
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});
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if (note == null) {
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reply.code(404);
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return;
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}
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// リモートだったらリダイレクト
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if (note.userHost != null) {
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if (note.uri == null || this.utilityService.isSelfHost(note.userHost)) {
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reply.code(500);
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return;
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}
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reply.redirect(note.uri);
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return;
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}
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reply.header('Cache-Control', 'public, max-age=180');
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this.setResponseType(request, reply);
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return this.apRendererService.addContext(await this.apRendererService.renderNote(note, false));
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});
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// note activity
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fastify.get<{ Params: { note: string; } }>('/notes/:note/activity', async (request, reply) => {
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vary(reply.raw, 'Accept');
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const note = await this.notesRepository.findOneBy({
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id: request.params.note,
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userHost: IsNull(),
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visibility: In(['public', 'home']),
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localOnly: false,
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});
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if (note == null) {
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reply.code(404);
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return;
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}
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reply.header('Cache-Control', 'public, max-age=180');
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this.setResponseType(request, reply);
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return (this.apRendererService.addContext(await this.packActivity(note)));
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});
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// outbox
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fastify.get<{
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Params: { user: string; };
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Querystring: { since_id?: string; until_id?: string; page?: string; };
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}>('/users/:user/outbox', async (request, reply) => await this.outbox(request, reply));
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// followers
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fastify.get<{
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Params: { user: string; };
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Querystring: { cursor?: string; page?: string; };
|
||
}>('/users/:user/followers', async (request, reply) => await this.followers(request, reply));
|
||
|
||
// following
|
||
fastify.get<{
|
||
Params: { user: string; };
|
||
Querystring: { cursor?: string; page?: string; };
|
||
}>('/users/:user/following', async (request, reply) => await this.following(request, reply));
|
||
|
||
// featured
|
||
fastify.get<{ Params: { user: string; }; }>('/users/:user/collections/featured', async (request, reply) => await this.featured(request, reply));
|
||
|
||
// publickey
|
||
fastify.get<{ Params: { user: string; } }>('/users/:user/publickey', async (request, reply) => {
|
||
const userId = request.params.user;
|
||
|
||
const user = await this.usersRepository.findOneBy({
|
||
id: userId,
|
||
host: IsNull(),
|
||
});
|
||
|
||
if (user == null) {
|
||
reply.code(404);
|
||
return;
|
||
}
|
||
|
||
const keypair = await this.userKeypairService.getUserKeypair(user.id);
|
||
|
||
if (this.userEntityService.isLocalUser(user)) {
|
||
reply.header('Cache-Control', 'public, max-age=180');
|
||
this.setResponseType(request, reply);
|
||
return (this.apRendererService.addContext(this.apRendererService.renderKey(user, keypair)));
|
||
} else {
|
||
reply.code(400);
|
||
return;
|
||
}
|
||
});
|
||
|
||
fastify.get<{ Params: { user: string; } }>('/users/:user', { constraints: { apOrHtml: 'ap' } }, async (request, reply) => {
|
||
const userId = request.params.user;
|
||
|
||
const user = await this.usersRepository.findOneBy({
|
||
id: userId,
|
||
host: IsNull(),
|
||
isSuspended: false,
|
||
});
|
||
|
||
return await this.userInfo(request, reply, user);
|
||
});
|
||
|
||
fastify.get<{ Params: { user: string; } }>('/@:user', { constraints: { apOrHtml: 'ap' } }, async (request, reply) => {
|
||
const user = await this.usersRepository.findOneBy({
|
||
usernameLower: request.params.user.toLowerCase(),
|
||
host: IsNull(),
|
||
isSuspended: false,
|
||
});
|
||
|
||
return await this.userInfo(request, reply, user);
|
||
});
|
||
//#endregion
|
||
|
||
// emoji
|
||
fastify.get<{ Params: { emoji: string; } }>('/emojis/:emoji', async (request, reply) => {
|
||
const emoji = await this.emojisRepository.findOneBy({
|
||
host: IsNull(),
|
||
name: request.params.emoji,
|
||
});
|
||
|
||
if (emoji == null) {
|
||
reply.code(404);
|
||
return;
|
||
}
|
||
|
||
reply.header('Cache-Control', 'public, max-age=180');
|
||
this.setResponseType(request, reply);
|
||
return (this.apRendererService.addContext(await this.apRendererService.renderEmoji(emoji)));
|
||
});
|
||
|
||
// like
|
||
fastify.get<{ Params: { like: string; } }>('/likes/:like', async (request, reply) => {
|
||
const reaction = await this.noteReactionsRepository.findOneBy({ id: request.params.like });
|
||
|
||
if (reaction == null) {
|
||
reply.code(404);
|
||
return;
|
||
}
|
||
|
||
const note = await this.notesRepository.findOneBy({ id: reaction.noteId });
|
||
|
||
if (note == null) {
|
||
reply.code(404);
|
||
return;
|
||
}
|
||
|
||
reply.header('Cache-Control', 'public, max-age=180');
|
||
this.setResponseType(request, reply);
|
||
return (this.apRendererService.addContext(await this.apRendererService.renderLike(reaction, note)));
|
||
});
|
||
|
||
// follow
|
||
fastify.get<{ Params: { follower: string; followee: string; } }>('/follows/:follower/:followee', async (request, reply) => {
|
||
// This may be used before the follow is completed, so we do not
|
||
// check if the following exists.
|
||
|
||
const [follower, followee] = await Promise.all([
|
||
this.usersRepository.findOneBy({
|
||
id: request.params.follower,
|
||
host: IsNull(),
|
||
}),
|
||
this.usersRepository.findOneBy({
|
||
id: request.params.followee,
|
||
host: Not(IsNull()),
|
||
}),
|
||
]);
|
||
|
||
if (follower == null || followee == null) {
|
||
reply.code(404);
|
||
return;
|
||
}
|
||
|
||
reply.header('Cache-Control', 'public, max-age=180');
|
||
this.setResponseType(request, reply);
|
||
return (this.apRendererService.addContext(this.apRendererService.renderFollow(follower, followee)));
|
||
});
|
||
|
||
done();
|
||
}
|
||
}
|