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forkbomb DOS mitigation

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This commit is contained in:
syuilo 2022-12-03 18:42:06 +09:00
parent a2a1636c10
commit 58a3a0b7d4
4 changed files with 22 additions and 17 deletions
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8
packages/backend/src/remote/activitypub/models/person.ts
View file

@ -271,7 +271,7 @@ export async function createPerson(uri: string, resolver?: Resolver): Promise<Us
});
//#endregion
await updateFeatured(user!.id).catch(err => logger.error(err));
await updateFeatured(user!.id, resolver).catch(err => logger.error(err));
return user!;
}
@ -384,7 +384,7 @@ export async function updatePerson(uri: string, resolver?: Resolver | null, hint
followerSharedInbox: person.sharedInbox || (person.endpoints ? person.endpoints.sharedInbox : undefined),
});
await updateFeatured(exist.id).catch(err => logger.error(err));
await updateFeatured(exist.id, resolver).catch(err => logger.error(err));
}
/**
@ -462,14 +462,14 @@ export function analyzeAttachments(attachments: IObject | IObject[] | undefined)
return { fields, services };
}
export async function updateFeatured(userId: User['id']) {
export async function updateFeatured(userId: User['id'], resolver?: Resolver) {
const user = await Users.findOneByOrFail({ id: userId });
if (!Users.isRemoteUser(user)) return;
if (!user.featured) return;
logger.info(`Updating the featured: ${user.uri}`);
const resolver = new Resolver();
if (resolver == null) resolver = new Resolver();
// Resolve to (Ordered)Collection Object
const collection = await resolver.resolveCollection(user.featured);

8
packages/backend/src/remote/activitypub/models/question.ts
View file

@ -1,9 +1,9 @@
import config from '@/config/index.js';
import { Notes, Polls } from '@/models/index.js';
import { IPoll } from '@/models/entities/poll.js';
import Resolver from '../resolver.js';
import { IObject, IQuestion, isQuestion } from '../type.js';
import { apLogger } from '../logger.js';
import { Notes, Polls } from '@/models/index.js';
import { IPoll } from '@/models/entities/poll.js';
export async function extractPollFromQuestion(source: string | IObject, resolver?: Resolver): Promise<IPoll> {
if (resolver == null) resolver = new Resolver();
@ -40,7 +40,7 @@ export async function extractPollFromQuestion(source: string | IObject, resolver
* @param uri URI of AP Question object
* @returns true if updated
*/
export async function updateQuestion(value: any) {
export async function updateQuestion(value: any, resolver?: Resolver) {
const uri = typeof value === 'string' ? value : value.id;
// URIがこのサーバーを指しているならスキップ
@ -55,7 +55,7 @@ export async function updateQuestion(value: any) {
//#endregion
// resolve new Question object
const resolver = new Resolver();
if (resolver == null) resolver = new Resolver();
const question = await resolver.resolve(value) as IQuestion;
apLogger.debug(`fetched question: ${JSON.stringify(question, null, 2)}`);