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import * as Bull from 'bull'
import { logger } from '../../../helpers/logger'
import { REMOTE_SCHEME, sequelizeTypescript, WEBSERVER } from '../../../initializers'
import { sendFollow } from '../../activitypub/send'
import { sanitizeHost } from '../../../helpers/core-utils'
import { loadActorUrlOrGetFromWebfinger } from '../../../helpers/webfinger'
import { getOrCreateActorAndServerAndModel } from '../../activitypub/actor'
import { retryTransactionWrapper } from '../../../helpers/database-utils'
import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
import { ActorModel } from '../../../models/activitypub/actor'
import { Notifier } from '../../notifier'
export type ActivitypubFollowPayload = {
followerActorId: number
name: string
host: string
}
async function processActivityPubFollow (job: Bull.Job) {
const payload = job.data as ActivitypubFollowPayload
const host = payload.host
logger.info('Processing ActivityPub follow in job %d.', job.id)
let targetActor: ActorModel
if (!host || host === WEBSERVER.HOST) {
targetActor = await ActorModel.loadLocalByName(payload.name)
} else {
const sanitizedHost = sanitizeHost(host, REMOTE_SCHEME.HTTP)
const actorUrl = await loadActorUrlOrGetFromWebfinger(payload.name + '@' + sanitizedHost)
targetActor = await getOrCreateActorAndServerAndModel(actorUrl)
}
const fromActor = await ActorModel.load(payload.followerActorId)
return retryTransactionWrapper(follow, fromActor, targetActor)
}
// ---------------------------------------------------------------------------
export {
processActivityPubFollow
}
// ---------------------------------------------------------------------------
async function follow (fromActor: ActorModel, targetActor: ActorModel) {
if (fromActor.id === targetActor.id) {
throw new Error('Follower is the same than target actor.')
}
// Same server, direct accept
const state = !fromActor.serverId && !targetActor.serverId ? 'accepted' : 'pending'
const actorFollow = await sequelizeTypescript.transaction(async t => {
const [ actorFollow ] = await ActorFollowModel.findOrCreate({
where: {
actorId: fromActor.id,
targetActorId: targetActor.id
},
defaults: {
state,
actorId: fromActor.id,
targetActorId: targetActor.id
},
transaction: t
})
actorFollow.ActorFollowing = targetActor
actorFollow.ActorFollower = fromActor
// Send a notification to remote server if our follow is not already accepted
if (actorFollow.state !== 'accepted') await sendFollow(actorFollow)
return actorFollow
})
if (actorFollow.state === 'accepted') Notifier.Instance.notifyOfNewUserFollow(actorFollow)
}
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