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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' | |
11 | ||
12 | async function processFollowActivity (activity: ActivityFollow, byActor: ActorModel) { | |
13 | const activityObject = getAPId(activity.object) | |
14 | ||
15 | return retryTransactionWrapper(processFollow, byActor, activityObject) | |
16 | } | |
17 | ||
18 | // --------------------------------------------------------------------------- | |
19 | ||
20 | export { | |
21 | processFollowActivity | |
22 | } | |
23 | ||
24 | // --------------------------------------------------------------------------- | |
25 | ||
26 | async function processFollow (actor: ActorModel, targetActorURL: string) { | |
27 | const { actorFollow, created, isFollowingInstance } = await sequelizeTypescript.transaction(async t => { | |
28 | const targetActor = await ActorModel.loadByUrlAndPopulateAccountAndChannel(targetActorURL, t) | |
29 | ||
30 | if (!targetActor) throw new Error('Unknown actor') | |
31 | if (targetActor.isOwned() === false) throw new Error('This is not a local actor.') | |
32 | ||
33 | const serverActor = await getServerActor() | |
34 | const isFollowingInstance = targetActor.id === serverActor.id | |
35 | ||
36 | if (isFollowingInstance && CONFIG.FOLLOWERS.INSTANCE.ENABLED === false) { | |
37 | logger.info('Rejecting %s because instance followers are disabled.', targetActor.url) | |
38 | ||
39 | return sendReject(actor, targetActor) | |
40 | } | |
41 | ||
42 | const [ actorFollow, created ] = await ActorFollowModel.findOrCreate({ | |
43 | where: { | |
44 | actorId: actor.id, | |
45 | targetActorId: targetActor.id | |
46 | }, | |
47 | defaults: { | |
48 | actorId: actor.id, | |
49 | targetActorId: targetActor.id, | |
50 | state: CONFIG.FOLLOWERS.INSTANCE.MANUAL_APPROVAL ? 'pending' : 'accepted' | |
51 | }, | |
52 | transaction: t | |
53 | }) | |
54 | ||
55 | if (actorFollow.state !== 'accepted' && CONFIG.FOLLOWERS.INSTANCE.MANUAL_APPROVAL === false) { | |
56 | actorFollow.state = 'accepted' | |
57 | await actorFollow.save({ transaction: t }) | |
58 | } | |
59 | ||
60 | actorFollow.ActorFollower = actor | |
61 | actorFollow.ActorFollowing = targetActor | |
62 | ||
63 | // Target sends to actor he accepted the follow request | |
64 | if (actorFollow.state === 'accepted') await sendAccept(actorFollow) | |
65 | ||
66 | return { actorFollow, created, isFollowingInstance } | |
67 | }) | |
68 | ||
69 | // Rejected | |
70 | if (!actorFollow) return | |
71 | ||
72 | if (created) { | |
73 | if (isFollowingInstance) Notifier.Instance.notifyOfNewInstanceFollow(actorFollow) | |
74 | else Notifier.Instance.notifyOfNewUserFollow(actorFollow) | |
75 | } | |
76 | ||
77 | logger.info('Actor %s is followed by actor %s.', targetActorURL, actor.url) | |
78 | } |