1 import { ActivityFollow } from '../../../../shared/models/activitypub'
2 import { retryTransactionWrapper } from '../../../helpers/database-utils'
3 import { logger } from '../../../helpers/logger'
4 import { sequelizeTypescript, CONFIG } from '../../../initializers'
5 import { ActorModel } from '../../../models/activitypub/actor'
6 import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
7 import { sendAccept, sendReject } from '../send'
8 import { Notifier } from '../../notifier'
9 import { getAPId } from '../../../helpers/activitypub'
10 import { getServerActor } from '../../../helpers/utils'
12 async function processFollowActivity (activity: ActivityFollow, byActor: ActorModel) {
13 const activityObject = getAPId(activity.object)
15 return retryTransactionWrapper(processFollow, byActor, activityObject)
18 // ---------------------------------------------------------------------------
24 // ---------------------------------------------------------------------------
26 async function processFollow (actor: ActorModel, targetActorURL: string) {
27 const { actorFollow, created } = await sequelizeTypescript.transaction(async t => {
28 const targetActor = await ActorModel.loadByUrlAndPopulateAccountAndChannel(targetActorURL, t)
30 if (!targetActor) throw new Error('Unknown actor')
31 if (targetActor.isOwned() === false) throw new Error('This is not a local actor.')
33 const serverActor = await getServerActor()
34 if (targetActor.id === serverActor.id && CONFIG.FOLLOWERS.INSTANCE.ENABLED === false) {
35 return sendReject(actor, targetActor)
38 const [ actorFollow, created ] = await ActorFollowModel.findOrCreate({
41 targetActorId: targetActor.id
45 targetActorId: targetActor.id,
51 actorFollow.ActorFollower = actor
52 actorFollow.ActorFollowing = targetActor
54 if (actorFollow.state !== 'accepted') {
55 actorFollow.state = 'accepted'
56 await actorFollow.save({ transaction: t })
59 actorFollow.ActorFollower = actor
60 actorFollow.ActorFollowing = targetActor
62 // Target sends to actor he accepted the follow request
63 await sendAccept(actorFollow)
65 return { actorFollow, created }
68 if (created) Notifier.Instance.notifyOfNewFollow(actorFollow)
70 logger.info('Actor %s is followed by actor %s.', targetActorURL, actor.url)