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import * as kue from 'kue'
import { logger } from '../../../helpers/logger'
import { getServerActor } from '../../../helpers/utils'
import { REMOTE_SCHEME, sequelizeTypescript, SERVER_ACTOR_NAME } 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'
export type ActivitypubFollowPayload = {
host: string
}
async function processActivityPubFollow (job: kue.Job) {
const payload = job.data as ActivitypubFollowPayload
const host = payload.host
logger.info('Processing ActivityPub follow in job %d.', job.id)
const sanitizedHost = sanitizeHost(host, REMOTE_SCHEME.HTTP)
const actorUrl = await loadActorUrlOrGetFromWebfinger(SERVER_ACTOR_NAME, sanitizedHost)
const targetActor = await getOrCreateActorAndServerAndModel(actorUrl)
const fromActor = await getServerActor()
const options = {
arguments: [ fromActor, targetActor ],
errorMessage: 'Cannot follow with many retries.'
}
return retryTransactionWrapper(follow, options)
}
// ---------------------------------------------------------------------------
export {
processActivityPubFollow
}
// ---------------------------------------------------------------------------
function follow (fromActor: ActorModel, targetActor: ActorModel) {
if (fromActor.id === targetActor.id) {
throw new Error('Follower is the same than target actor.')
}
return sequelizeTypescript.transaction(async t => {
const [ actorFollow ] = await ActorFollowModel.findOrCreate({
where: {
actorId: fromActor.id,
targetActorId: targetActor.id
},
defaults: {
state: 'pending',
actorId: fromActor.id,
targetActorId: targetActor.id
},
transaction: t
})
actorFollow.ActorFollowing = targetActor
actorFollow.ActorFollower = fromActor
// Send a notification to remote server
await sendFollow(actorFollow)
})
}
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