import * as Bull from 'bull' import { logger } from '../../../helpers/logger' import { REMOTE_SCHEME, WEBSERVER } from '../../../initializers/constants' 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' import { sequelizeTypescript } from '../../../initializers/database' import { MActor, MActorFollowActors, MActorFull } from '../../../typings/models' export type ActivitypubFollowPayload = { followerActorId: number name: string host: string isAutoFollow?: boolean assertIsChannel?: boolean } 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: MActorFull 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, 'all') } if (payload.assertIsChannel && !targetActor.VideoChannel) { logger.warn('Do not follow %s@%s because it is not a channel.', payload.name, host) return } const fromActor = await ActorModel.load(payload.followerActorId) return retryTransactionWrapper(follow, fromActor, targetActor, payload.isAutoFollow) } // --------------------------------------------------------------------------- export { processActivityPubFollow } // --------------------------------------------------------------------------- async function follow (fromActor: MActor, targetActor: MActorFull, isAutoFollow = false) { if (fromActor.id === targetActor.id) { throw new Error('Follower is the same as 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') sendFollow(actorFollow, t) return actorFollow }) const followerFull = await ActorModel.loadFull(fromActor.id) const actorFollowFull = Object.assign(actorFollow, { ActorFollowing: targetActor, ActorFollower: followerFull }) if (actorFollow.state === 'accepted') Notifier.Instance.notifyOfNewUserFollow(actorFollowFull) if (isAutoFollow === true) Notifier.Instance.notifyOfAutoInstanceFollowing(actorFollowFull) return actorFollow }