54 lines
1.8 KiB
TypeScript
54 lines
1.8 KiB
TypeScript
import { sanitizeAndCheckActorObject } from '@server/helpers/custom-validators/activitypub/actor'
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import { logger } from '@server/helpers/logger'
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import { doJSONRequest } from '@server/helpers/requests'
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import { ActivityPubActor, ActivityPubOrderedCollection } from '@shared/models'
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import { checkUrlsSameHost } from '../../url'
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async function fetchRemoteActor (actorUrl: string): Promise<{ statusCode: number, actorObject: ActivityPubActor }> {
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logger.info('Fetching remote actor %s.', actorUrl)
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const { body, statusCode } = await doJSONRequest<ActivityPubActor>(actorUrl, { activityPub: true })
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if (sanitizeAndCheckActorObject(body) === false) {
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logger.debug('Remote actor JSON is not valid.', { actorJSON: body })
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return { actorObject: undefined, statusCode: statusCode }
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}
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if (checkUrlsSameHost(body.id, actorUrl) !== true) {
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logger.warn('Actor url %s has not the same host than its AP id %s', actorUrl, body.id)
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return { actorObject: undefined, statusCode: statusCode }
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}
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return {
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statusCode,
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actorObject: body
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}
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}
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async function fetchActorFollowsCount (actorObject: ActivityPubActor) {
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const followersCount = await fetchActorTotalItems(actorObject.followers)
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const followingCount = await fetchActorTotalItems(actorObject.following)
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return { followersCount, followingCount }
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}
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// ---------------------------------------------------------------------------
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export {
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fetchActorFollowsCount,
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fetchRemoteActor
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}
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// ---------------------------------------------------------------------------
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async function fetchActorTotalItems (url: string) {
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try {
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const { body } = await doJSONRequest<ActivityPubOrderedCollection<unknown>>(url, { activityPub: true })
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return body.totalItems || 0
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} catch (err) {
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logger.info('Cannot fetch remote actor count %s.', url, { err })
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return 0
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}
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}
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