PeerTube/server/lib/activitypub/actors/get.ts

120 lines
4.7 KiB
TypeScript

import { checkUrlsSameHost, getAPId } from '@server/helpers/activitypub'
import { retryTransactionWrapper } from '@server/helpers/database-utils'
import { logger } from '@server/helpers/logger'
import { JobQueue } from '@server/lib/job-queue'
import { ActorLoadByUrlType, loadActorByUrl } from '@server/lib/model-loaders'
import { MActor, MActorAccountChannelId, MActorAccountChannelIdActor, MActorAccountId, MActorFullActor } from '@server/types/models'
import { ActivityPubActor } from '@shared/models'
import { refreshActorIfNeeded } from './refresh'
import { APActorCreator, fetchRemoteActor } from './shared'
function getOrCreateAPActor (
activityActor: string | ActivityPubActor,
fetchType: 'all',
recurseIfNeeded?: boolean,
updateCollections?: boolean
): Promise<MActorFullActor>
function getOrCreateAPActor (
activityActor: string | ActivityPubActor,
fetchType?: 'association-ids',
recurseIfNeeded?: boolean,
updateCollections?: boolean
): Promise<MActorAccountChannelId>
async function getOrCreateAPActor (
activityActor: string | ActivityPubActor,
fetchType: ActorLoadByUrlType = 'association-ids',
recurseIfNeeded = true,
updateCollections = false
): Promise<MActorFullActor | MActorAccountChannelId> {
const actorUrl = getAPId(activityActor)
let actor = await loadActorFromDB(actorUrl, fetchType)
let created = false
let accountPlaylistsUrl: string
// We don't have this actor in our database, fetch it on remote
if (!actor) {
const { actorObject } = await fetchRemoteActor(actorUrl)
if (actorObject === undefined) throw new Error('Cannot fetch remote actor ' + actorUrl)
// Create the attributed to actor
// In PeerTube a video channel is owned by an account
let ownerActor: MActorFullActor
if (recurseIfNeeded === true && actorObject.type === 'Group') {
ownerActor = await getOrCreateAPOwner(actorObject, actorUrl)
}
const creator = new APActorCreator(actorObject, ownerActor)
actor = await retryTransactionWrapper(creator.create.bind(creator))
created = true
accountPlaylistsUrl = actorObject.playlists
}
if (actor.Account) (actor as MActorAccountChannelIdActor).Account.Actor = actor
if (actor.VideoChannel) (actor as MActorAccountChannelIdActor).VideoChannel.Actor = actor
const { actor: actorRefreshed, refreshed } = await retryTransactionWrapper(refreshActorIfNeeded, actor, fetchType)
if (!actorRefreshed) throw new Error('Actor ' + actor.url + ' does not exist anymore.')
await scheduleOutboxFetchIfNeeded(actor, created, refreshed, updateCollections)
await schedulePlaylistFetchIfNeeded(actor, created, accountPlaylistsUrl)
return actorRefreshed
}
// ---------------------------------------------------------------------------
export {
getOrCreateAPActor
}
// ---------------------------------------------------------------------------
async function loadActorFromDB (actorUrl: string, fetchType: ActorLoadByUrlType) {
let actor = await loadActorByUrl(actorUrl, fetchType)
// Orphan actor (not associated to an account of channel) so recreate it
if (actor && (!actor.Account && !actor.VideoChannel)) {
await actor.destroy()
actor = null
}
return actor
}
function getOrCreateAPOwner (actorObject: ActivityPubActor, actorUrl: string) {
const accountAttributedTo = actorObject.attributedTo.find(a => a.type === 'Person')
if (!accountAttributedTo) throw new Error('Cannot find account attributed to video channel ' + actorUrl)
if (checkUrlsSameHost(accountAttributedTo.id, actorUrl) !== true) {
throw new Error(`Account attributed to ${accountAttributedTo.id} does not have the same host than actor url ${actorUrl}`)
}
try {
// Don't recurse another time
const recurseIfNeeded = false
return getOrCreateAPActor(accountAttributedTo.id, 'all', recurseIfNeeded)
} catch (err) {
logger.error('Cannot get or create account attributed to video channel ' + actorUrl)
throw new Error(err)
}
}
async function scheduleOutboxFetchIfNeeded (actor: MActor, created: boolean, refreshed: boolean, updateCollections: boolean) {
if ((created === true || refreshed === true) && updateCollections === true) {
const payload = { uri: actor.outboxUrl, type: 'activity' as 'activity' }
await JobQueue.Instance.createJobWithPromise({ type: 'activitypub-http-fetcher', payload })
}
}
async function schedulePlaylistFetchIfNeeded (actor: MActorAccountId, created: boolean, accountPlaylistsUrl: string) {
// We created a new account: fetch the playlists
if (created === true && actor.Account && accountPlaylistsUrl) {
const payload = { uri: accountPlaylistsUrl, accountId: actor.Account.id, type: 'account-playlists' as 'account-playlists' }
await JobQueue.Instance.createJobWithPromise({ type: 'activitypub-http-fetcher', payload })
}
}