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Merge pull request 'hotfix/misskey-forkbomb' (#8) from hotfix/misskey-forkbomb into stage

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Reviewed-on: https://code.vtopia.live/Vtopia/MissV/pulls/8
This commit is contained in:
skeh 2022-12-01 07:45:08 +00:00 committed by thatonecalculator
parent aa9ef65768
commit 3ff6433fab
4 changed files with 13 additions and 9 deletions
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2
packages/backend/src/remote/activitypub/kernel/update/index.ts
View file

@ -26,7 +26,7 @@ export default async (actor: CacheableRemoteUser, activity: IUpdate): Promise<st
await updatePerson(actor.uri!, resolver, object);
return `ok: Person updated`;
} else if (getApType(object) === 'Question') {
await updateQuestion(object).catch(e => console.log(e));
await updateQuestion(object, resolver).catch(e => console.log(e));
return `ok: Question updated`;
} else {
return `skip: Unknown type: ${getApType(object)}`;

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);

4
packages/backend/src/remote/activitypub/models/question.ts
View file

@ -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)}`);

8
packages/backend/src/remote/activitypub/resolver.ts
View file

@ -19,9 +19,11 @@ import renderFollow from '@/remote/activitypub/renderer/follow.js';
export default class Resolver {
private history: Set<string>;
private user?: ILocalUser;
private recursionLimit?: number;
constructor() {
constructor(recursionLimit = 100) {
this.history = new Set();
this.recursionLimit = recursionLimit;
}
public getHistory(): string[] {
@ -59,7 +61,9 @@ export default class Resolver {
if (this.history.has(value)) {
throw new Error('cannot resolve already resolved one');
}
if (this.recursionLimit && this.history.size > this.recursionLimit) {
throw new Error('hit recursion limit');
}
this.history.add(value);
const host = extractDbHost(value);