PeerTube/server/lib/activitypub/process/process-follow.ts

71 lines
2.2 KiB
TypeScript

import { ActivityFollow } from '../../../../shared/models/activitypub'
import { retryTransactionWrapper } from '../../../helpers/database-utils'
import { logger } from '../../../helpers/logger'
import { sequelizeTypescript } from '../../../initializers'
import { ActorModel } from '../../../models/activitypub/actor'
import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
import { getOrCreateActorAndServerAndModel } from '../actor'
import { sendAccept } from '../send'
async function processFollowActivity (activity: ActivityFollow) {
const activityObject = activity.object
const actor = await getOrCreateActorAndServerAndModel(activity.actor)
return processFollow(actor, activityObject)
}
// ---------------------------------------------------------------------------
export {
processFollowActivity
}
// ---------------------------------------------------------------------------
function processFollow (actor: ActorModel, targetActorURL: string) {
const options = {
arguments: [ actor, targetActorURL ],
errorMessage: 'Cannot follow with many retries.'
}
return retryTransactionWrapper(follow, options)
}
async function follow (actor: ActorModel, targetActorURL: string) {
await sequelizeTypescript.transaction(async t => {
const targetActor = await ActorModel.loadByUrl(targetActorURL, t)
if (!targetActor) throw new Error('Unknown actor')
if (targetActor.isOwned() === false) throw new Error('This is not a local actor.')
const [ actorFollow ] = await ActorFollowModel.findOrCreate({
where: {
actorId: actor.id,
targetActorId: targetActor.id
},
defaults: {
actorId: actor.id,
targetActorId: targetActor.id,
state: 'accepted'
},
transaction: t
})
actorFollow.ActorFollower = actor
actorFollow.ActorFollowing = targetActor
if (actorFollow.state !== 'accepted') {
actorFollow.state = 'accepted'
await actorFollow.save({ transaction: t })
}
actorFollow.ActorFollower = actor
actorFollow.ActorFollowing = targetActor
// Target sends to actor he accepted the follow request
return sendAccept(actorFollow)
})
logger.info('Actor %s is followed by actor %s.', targetActorURL, actor.url)
}