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avoid potential crash if Question activity is corrupt

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This commit is contained in:
Hazelnoot 2024-11-02 21:02:41 -04:00
parent ab97b91606
commit 2afbd251e1
2 changed files with 15 additions and 3 deletions
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6
packages/backend/src/core/activitypub/models/ApQuestionService.ts
View file

@ -13,7 +13,7 @@ import type { MiRemoteUser } from '@/models/User.js';
import type Logger from '@/logger.js';
import { bindThis } from '@/decorators.js';
import { UtilityService } from '@/core/UtilityService.js';
import { getApId, getApType, getOneApId, isQuestion } from '../type.js';
import { getApId, getApType, getNullableApId, getOneApId, isQuestion } from '../type.js';
import { ApLoggerService } from '../ApLoggerService.js';
import { ApResolverService } from '../ApResolverService.js';
import type { Resolver } from '../ApResolverService.js';
@ -49,10 +49,10 @@ export class ApQuestionService {
if (resolver == null) resolver = this.apResolverService.createResolver();
const question = await resolver.resolve(source);
if (!isQuestion(question)) throw new UnrecoverableError(`invalid type ${getApType(question)}: ${getApId(source)}`);
if (!isQuestion(question)) throw new UnrecoverableError(`invalid type ${getApType(question)}: ${getNullableApId(question)}`);
const multiple = question.oneOf === undefined;
if (multiple && question.anyOf === undefined) throw new Error(`invalid question - neither oneOf nor anyOf is defined: ${getApId(source)}`);
if (multiple && question.anyOf === undefined) throw new Error(`invalid question - neither oneOf nor anyOf is defined: ${getNullableApId(question)}`);
const expiresAt = question.endTime ? new Date(question.endTime) : question.closed ? new Date(question.closed) : null;

12
packages/backend/src/core/activitypub/type.ts
View file

@ -65,6 +65,18 @@ export function getApId(value: string | IObject | [string | IObject]): string {
throw new UnrecoverableError('cannot determine id');
}
/**
* Get ActivityStreams Object id
*/
export function getNullableApId(value: string | IObject | [string | IObject]): string | null {
// eslint-disable-next-line no-param-reassign
value = fromTuple(value);
if (typeof value === 'string') return value;
if (typeof value.id === 'string') return value.id;
return null;
}
/**
* Get ActivityStreams Object type
*