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