misskey/packages/backend/src/queue/processors/InboxProcessorService.ts

276 lines
10 KiB
TypeScript

/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { URL } from 'node:url';
import { Inject, Injectable, OnApplicationShutdown } from '@nestjs/common';
import httpSignature from '@peertube/http-signature';
import * as Bull from 'bullmq';
import type Logger from '@/logger.js';
import { FederatedInstanceService } from '@/core/FederatedInstanceService.js';
import { FetchInstanceMetadataService } from '@/core/FetchInstanceMetadataService.js';
import InstanceChart from '@/core/chart/charts/instance.js';
import ApRequestChart from '@/core/chart/charts/ap-request.js';
import FederationChart from '@/core/chart/charts/federation.js';
import { getApId } from '@/core/activitypub/type.js';
import type { IActivity } from '@/core/activitypub/type.js';
import type { MiRemoteUser } from '@/models/User.js';
import type { MiUserPublickey } from '@/models/UserPublickey.js';
import { ApDbResolverService } from '@/core/activitypub/ApDbResolverService.js';
import { StatusError } from '@/misc/status-error.js';
import { UtilityService } from '@/core/UtilityService.js';
import { ApPersonService } from '@/core/activitypub/models/ApPersonService.js';
import { JsonLdService } from '@/core/activitypub/JsonLdService.js';
import { ApInboxService } from '@/core/activitypub/ApInboxService.js';
import { bindThis } from '@/decorators.js';
import { IdentifiableError } from '@/misc/identifiable-error.js';
import { CollapsedQueue } from '@/misc/collapsed-queue.js';
import { MiNote } from '@/models/Note.js';
import { MiMeta } from '@/models/Meta.js';
import { DI } from '@/di-symbols.js';
import { QueueLoggerService } from '../QueueLoggerService.js';
import type { InboxJobData } from '../types.js';
type UpdateInstanceJob = {
latestRequestReceivedAt: Date,
shouldUnsuspend: boolean,
};
@Injectable()
export class InboxProcessorService implements OnApplicationShutdown {
private logger: Logger;
private updateInstanceQueue: CollapsedQueue<MiNote['id'], UpdateInstanceJob>;
constructor(
@Inject(DI.meta)
private meta: MiMeta,
private utilityService: UtilityService,
private apInboxService: ApInboxService,
private federatedInstanceService: FederatedInstanceService,
private fetchInstanceMetadataService: FetchInstanceMetadataService,
private jsonLdService: JsonLdService,
private apPersonService: ApPersonService,
private apDbResolverService: ApDbResolverService,
private instanceChart: InstanceChart,
private apRequestChart: ApRequestChart,
private federationChart: FederationChart,
private queueLoggerService: QueueLoggerService,
) {
this.logger = this.queueLoggerService.logger.createSubLogger('inbox');
this.updateInstanceQueue = new CollapsedQueue(process.env.NODE_ENV !== 'test' ? 60 * 1000 * 5 : 0, this.collapseUpdateInstanceJobs, this.performUpdateInstance);
}
@bindThis
public async process(job: Bull.Job<InboxJobData>): Promise<string> {
const signature = job.data.signature; // HTTP-signature
let activity = job.data.activity;
//#region Log
const info = Object.assign({}, activity);
delete info['@context'];
this.logger.debug(JSON.stringify(info, null, 2));
//#endregion
const host = this.utilityService.toPuny(new URL(signature.keyId).hostname);
if (!this.utilityService.isFederationAllowedHost(host)) {
return `Blocked request: ${host}`;
}
const keyIdLower = signature.keyId.toLowerCase();
if (keyIdLower.startsWith('acct:')) {
return `Old keyId is no longer supported. ${keyIdLower}`;
}
// HTTP-Signature keyIdを元にDBから取得
let authUser: {
user: MiRemoteUser;
key: MiUserPublickey | null;
} | null = await this.apDbResolverService.getAuthUserFromKeyId(signature.keyId);
// keyIdでわからなければ、activity.actorを元にDBから取得 || activity.actorを元にリモートから取得
if (authUser == null) {
try {
authUser = await this.apDbResolverService.getAuthUserFromApId(getApId(activity.actor));
} catch (err) {
// 対象が4xxならスキップ
if (err instanceof StatusError) {
if (!err.isRetryable) {
throw new Bull.UnrecoverableError(`skip: Ignored deleted actors on both ends ${activity.actor} - ${err.statusCode}`);
}
throw new Error(`Error in actor ${activity.actor} - ${err.statusCode}`);
}
}
}
// それでもわからなければ終了
if (authUser == null) {
throw new Bull.UnrecoverableError('skip: failed to resolve user');
}
// publicKey がなくても終了
if (authUser.key == null) {
throw new Bull.UnrecoverableError('skip: failed to resolve user publicKey');
}
// HTTP-Signatureの検証
const httpSignatureValidated = httpSignature.verifySignature(signature, authUser.key.keyPem);
// また、signatureのsignerは、activity.actorと一致する必要がある
if (!httpSignatureValidated || authUser.user.uri !== activity.actor) {
// 一致しなくても、でもLD-Signatureがありそうならそっちも見る
const ldSignature = activity.signature;
if (ldSignature) {
if (ldSignature.type !== 'RsaSignature2017') {
throw new Bull.UnrecoverableError(`skip: unsupported LD-signature type ${ldSignature.type}`);
}
// ldSignature.creator: https://example.oom/users/user#main-key
// みたいになっててUserを引っ張れば公開キーも入ることを期待する
if (ldSignature.creator) {
const candicate = ldSignature.creator.replace(/#.*/, '');
await this.apPersonService.resolvePerson(candicate).catch(() => null);
}
// keyIdからLD-Signatureのユーザーを取得
authUser = await this.apDbResolverService.getAuthUserFromKeyId(ldSignature.creator);
if (authUser == null) {
throw new Bull.UnrecoverableError('skip: LD-Signatureのユーザーが取得できませんでした');
}
if (authUser.key == null) {
throw new Bull.UnrecoverableError('skip: LD-SignatureのユーザーはpublicKeyを持っていませんでした');
}
const jsonLd = this.jsonLdService.use();
// LD-Signature検証
const verified = await jsonLd.verifyRsaSignature2017(activity, authUser.key.keyPem).catch(() => false);
if (!verified) {
throw new Bull.UnrecoverableError('skip: LD-Signatureの検証に失敗しました');
}
// アクティビティを正規化
delete activity.signature;
try {
activity = await jsonLd.compact(activity) as IActivity;
} catch (e) {
throw new Bull.UnrecoverableError(`skip: failed to compact activity: ${e}`);
}
// TODO: 元のアクティビティと非互換な形に正規化される場合は転送をスキップする
// https://github.com/mastodon/mastodon/blob/664b0ca/app/services/activitypub/process_collection_service.rb#L24-L29
activity.signature = ldSignature;
//#region Log
const compactedInfo = Object.assign({}, activity);
delete compactedInfo['@context'];
this.logger.debug(`compacted: ${JSON.stringify(compactedInfo, null, 2)}`);
//#endregion
// もう一度actorチェック
if (authUser.user.uri !== activity.actor) {
throw new Bull.UnrecoverableError(`skip: LD-Signature user(${authUser.user.uri}) !== activity.actor(${activity.actor})`);
}
const ldHost = this.utilityService.extractDbHost(authUser.user.uri);
if (!this.utilityService.isFederationAllowedHost(ldHost)) {
throw new Bull.UnrecoverableError(`Blocked request: ${ldHost}`);
}
} else {
throw new Bull.UnrecoverableError(`skip: http-signature verification failed and no LD-Signature. keyId=${signature.keyId}`);
}
}
// activity.idがあればホストが署名者のホストであることを確認する
if (typeof activity.id === 'string') {
const signerHost = this.utilityService.extractDbHost(authUser.user.uri!);
const activityIdHost = this.utilityService.extractDbHost(activity.id);
if (signerHost !== activityIdHost) {
throw new Bull.UnrecoverableError(`skip: signerHost(${signerHost}) !== activity.id host(${activityIdHost}`);
}
} else {
throw new Bull.UnrecoverableError('skip: activity id is not a string');
}
this.apRequestChart.inbox();
this.federationChart.inbox(authUser.user.host);
// Update instance stats
process.nextTick(async () => {
const i = await (this.meta.enableStatsForFederatedInstances
? this.federatedInstanceService.fetchOrRegister(authUser.user.host)
: this.federatedInstanceService.fetch(authUser.user.host));
if (i == null) return;
this.updateInstanceQueue.enqueue(i.id, {
latestRequestReceivedAt: new Date(),
shouldUnsuspend: i.suspensionState === 'autoSuspendedForNotResponding',
});
if (this.meta.enableChartsForFederatedInstances) {
this.instanceChart.requestReceived(i.host);
}
this.fetchInstanceMetadataService.fetchInstanceMetadata(i);
});
// アクティビティを処理
try {
const result = await this.apInboxService.performActivity(authUser.user, activity);
if (result && !result.startsWith('ok')) {
this.logger.warn(`inbox activity ignored (maybe): id=${activity.id} reason=${result}`);
return result;
}
} catch (e) {
if (e instanceof IdentifiableError) {
if (e.id === '689ee33f-f97c-479a-ac49-1b9f8140af99') {
return 'blocked notes with prohibited words';
}
if (e.id === '85ab9bd7-3a41-4530-959d-f07073900109') {
return 'actor has been suspended';
}
if (e.id === 'd450b8a9-48e4-4dab-ae36-f4db763fda7c') { // invalid Note
return e.message;
}
}
throw e;
}
return 'ok';
}
@bindThis
public collapseUpdateInstanceJobs(oldJob: UpdateInstanceJob, newJob: UpdateInstanceJob) {
const latestRequestReceivedAt = oldJob.latestRequestReceivedAt < newJob.latestRequestReceivedAt
? newJob.latestRequestReceivedAt
: oldJob.latestRequestReceivedAt;
const shouldUnsuspend = oldJob.shouldUnsuspend || newJob.shouldUnsuspend;
return {
latestRequestReceivedAt,
shouldUnsuspend,
};
}
@bindThis
public async performUpdateInstance(id: string, job: UpdateInstanceJob) {
await this.federatedInstanceService.update(id, {
latestRequestReceivedAt: new Date(),
isNotResponding: false,
// もしサーバーが死んでるために配信が止まっていた場合には自動的に復活させてあげる
suspensionState: job.shouldUnsuspend ? 'none' : undefined,
});
}
@bindThis
public async dispose(): Promise<void> {
await this.updateInstanceQueue.performAllNow();
}
@bindThis
async onApplicationShutdown(signal?: string) {
await this.dispose();
}
}