136 lines
4.5 KiB
TypeScript
136 lines
4.5 KiB
TypeScript
import { URL } from 'node:url';
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import { Inject, Injectable } from '@nestjs/common';
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import chalk from 'chalk';
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import { IsNull } from 'typeorm';
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import { DI } from '@/di-symbols.js';
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import type { UsersRepository } from '@/models/index.js';
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import type { RemoteUser, User } from '@/models/entities/User.js';
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import type { Config } from '@/config.js';
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import type Logger from '@/logger.js';
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import { UtilityService } from '@/core/UtilityService.js';
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import { WebfingerService } from '@/core/WebfingerService.js';
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import { RemoteLoggerService } from '@/core/RemoteLoggerService.js';
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import { ApPersonService } from '@/core/activitypub/models/ApPersonService.js';
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import { bindThis } from '@/decorators.js';
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@Injectable()
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export class RemoteUserResolveService {
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private logger: Logger;
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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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private utilityService: UtilityService,
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private webfingerService: WebfingerService,
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private remoteLoggerService: RemoteLoggerService,
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private apPersonService: ApPersonService,
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) {
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this.logger = this.remoteLoggerService.logger.createSubLogger('resolve-user');
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}
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@bindThis
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public async resolveUser(username: string, host: string | null): Promise<User> {
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const usernameLower = username.toLowerCase();
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if (host == null) {
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this.logger.info(`return local user: ${usernameLower}`);
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return await this.usersRepository.findOneBy({ usernameLower, host: IsNull() }).then(u => {
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if (u == null) {
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throw new Error('user not found');
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} else {
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return u;
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}
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});
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}
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host = this.utilityService.toPuny(host);
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if (this.config.host === host) {
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this.logger.info(`return local user: ${usernameLower}`);
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return await this.usersRepository.findOneBy({ usernameLower, host: IsNull() }).then(u => {
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if (u == null) {
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throw new Error('user not found');
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} else {
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return u;
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}
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});
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}
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const user = await this.usersRepository.findOneBy({ usernameLower, host }) as RemoteUser | null;
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const acctLower = `${usernameLower}@${host}`;
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if (user == null) {
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const self = await this.resolveSelf(acctLower);
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this.logger.succ(`return new remote user: ${chalk.magenta(acctLower)}`);
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return await this.apPersonService.createPerson(self.href);
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}
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// ユーザー情報が古い場合は、WebFilgerからやりなおして返す
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if (user.lastFetchedAt == null || Date.now() - user.lastFetchedAt.getTime() > 1000 * 60 * 60 * 24) {
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// 繋がらないインスタンスに何回も試行するのを防ぐ, 後続の同様処理の連続試行を防ぐ ため 試行前にも更新する
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await this.usersRepository.update(user.id, {
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lastFetchedAt: new Date(),
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});
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this.logger.info(`try resync: ${acctLower}`);
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const self = await this.resolveSelf(acctLower);
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if (user.uri !== self.href) {
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// if uri mismatch, Fix (user@host <=> AP's Person id(RemoteUser.uri)) mapping.
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this.logger.info(`uri missmatch: ${acctLower}`);
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this.logger.info(`recovery missmatch uri for (username=${username}, host=${host}) from ${user.uri} to ${self.href}`);
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// validate uri
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const uri = new URL(self.href);
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if (uri.hostname !== host) {
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throw new Error('Invalid uri');
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}
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await this.usersRepository.update({
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usernameLower,
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host: host,
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}, {
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uri: self.href,
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});
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} else {
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this.logger.info(`uri is fine: ${acctLower}`);
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}
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await this.apPersonService.updatePerson(self.href);
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this.logger.info(`return resynced remote user: ${acctLower}`);
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return await this.usersRepository.findOneBy({ uri: self.href }).then(u => {
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if (u == null) {
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throw new Error('user not found');
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} else {
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return u;
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}
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});
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}
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this.logger.info(`return existing remote user: ${acctLower}`);
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return user;
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}
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@bindThis
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private async resolveSelf(acctLower: string) {
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this.logger.info(`WebFinger for ${chalk.yellow(acctLower)}`);
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const finger = await this.webfingerService.webfinger(acctLower).catch(err => {
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this.logger.error(`Failed to WebFinger for ${chalk.yellow(acctLower)}: ${ err.statusCode ?? err.message }`);
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throw new Error(`Failed to WebFinger for ${acctLower}: ${ err.statusCode ?? err.message }`);
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});
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const self = finger.links.find(link => link.rel != null && link.rel.toLowerCase() === 'self');
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if (!self) {
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this.logger.error(`Failed to WebFinger for ${chalk.yellow(acctLower)}: self link not found`);
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throw new Error('self link not found');
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}
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return self;
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}
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}
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