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136d7efd C |
1 | import { sanitizeAndCheckActorObject } from '@server/helpers/custom-validators/activitypub/actor' |
2 | import { logger } from '@server/helpers/logger' | |
3 | import { doJSONRequest } from '@server/helpers/requests' | |
4 | import { ActivityPubActor, ActivityPubOrderedCollection } from '@shared/models' | |
7e98a7df | 5 | import { checkUrlsSameHost } from '../../url' |
136d7efd C |
6 | |
7 | async function fetchRemoteActor (actorUrl: string): Promise<{ statusCode: number, actorObject: ActivityPubActor }> { | |
8 | logger.info('Fetching remote actor %s.', actorUrl) | |
9 | ||
10 | const { body, statusCode } = await doJSONRequest<ActivityPubActor>(actorUrl, { activityPub: true }) | |
11 | ||
12 | if (sanitizeAndCheckActorObject(body) === false) { | |
13 | logger.debug('Remote actor JSON is not valid.', { actorJSON: body }) | |
14 | return { actorObject: undefined, statusCode: statusCode } | |
15 | } | |
16 | ||
17 | if (checkUrlsSameHost(body.id, actorUrl) !== true) { | |
18 | logger.warn('Actor url %s has not the same host than its AP id %s', actorUrl, body.id) | |
19 | return { actorObject: undefined, statusCode: statusCode } | |
20 | } | |
21 | ||
22 | return { | |
23 | statusCode, | |
24 | ||
25 | actorObject: body | |
26 | } | |
27 | } | |
28 | ||
29 | async function fetchActorFollowsCount (actorObject: ActivityPubActor) { | |
30 | const followersCount = await fetchActorTotalItems(actorObject.followers) | |
31 | const followingCount = await fetchActorTotalItems(actorObject.following) | |
32 | ||
33 | return { followersCount, followingCount } | |
34 | } | |
35 | ||
36 | // --------------------------------------------------------------------------- | |
37 | export { | |
38 | fetchActorFollowsCount, | |
39 | fetchRemoteActor | |
40 | } | |
41 | ||
42 | // --------------------------------------------------------------------------- | |
43 | ||
44 | async function fetchActorTotalItems (url: string) { | |
45 | try { | |
46 | const { body } = await doJSONRequest<ActivityPubOrderedCollection<unknown>>(url, { activityPub: true }) | |
47 | ||
48 | return body.totalItems || 0 | |
49 | } catch (err) { | |
b0f42042 | 50 | logger.info('Cannot fetch remote actor count %s.', url, { err }) |
136d7efd C |
51 | return 0 |
52 | } | |
53 | } |