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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 } 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 | import { CONFIG } from '../../../initializers/config' | |
12 | ||
13 | async function processFollowActivity (activity: ActivityFollow, byActor: ActorModel) { | |
14 | const activityObject = getAPId(activity.object) | |
15 | ||
16 | return retryTransactionWrapper(processFollow, byActor, activityObject) | |
17 | } | |
18 | ||
19 | // --------------------------------------------------------------------------- | |
20 | ||
21 | export { | |
22 | processFollowActivity | |
23 | } | |
24 | ||
25 | // --------------------------------------------------------------------------- | |
26 | ||
27 | async function processFollow (actor: ActorModel, targetActorURL: string) { | |
28 | const { actorFollow, created, isFollowingInstance } = await sequelizeTypescript.transaction(async t => { | |
29 | const targetActor = await ActorModel.loadByUrlAndPopulateAccountAndChannel(targetActorURL, t) | |
30 | ||
31 | if (!targetActor) throw new Error('Unknown actor') | |
32 | if (targetActor.isOwned() === false) throw new Error('This is not a local actor.') | |
33 | ||
34 | const serverActor = await getServerActor() | |
35 | const isFollowingInstance = targetActor.id === serverActor.id | |
36 | ||
37 | if (isFollowingInstance && CONFIG.FOLLOWERS.INSTANCE.ENABLED === false) { | |
38 | logger.info('Rejecting %s because instance followers are disabled.', targetActor.url) | |
39 | ||
40 | await sendReject(actor, targetActor) | |
41 | ||
42 | return { actorFollow: undefined } | |
43 | } | |
44 | ||
45 | const [ actorFollow, created ] = await ActorFollowModel.findOrCreate({ | |
46 | where: { | |
47 | actorId: actor.id, | |
48 | targetActorId: targetActor.id | |
49 | }, | |
50 | defaults: { | |
51 | actorId: actor.id, | |
52 | targetActorId: targetActor.id, | |
53 | state: CONFIG.FOLLOWERS.INSTANCE.MANUAL_APPROVAL ? 'pending' : 'accepted' | |
54 | }, | |
55 | transaction: t | |
56 | }) | |
57 | ||
58 | if (actorFollow.state !== 'accepted' && CONFIG.FOLLOWERS.INSTANCE.MANUAL_APPROVAL === false) { | |
59 | actorFollow.state = 'accepted' | |
60 | await actorFollow.save({ transaction: t }) | |
61 | } | |
62 | ||
63 | actorFollow.ActorFollower = actor | |
64 | actorFollow.ActorFollowing = targetActor | |
65 | ||
66 | // Target sends to actor he accepted the follow request | |
67 | if (actorFollow.state === 'accepted') await sendAccept(actorFollow) | |
68 | ||
69 | return { actorFollow, created, isFollowingInstance } | |
70 | }) | |
71 | ||
72 | // Rejected | |
73 | if (!actorFollow) return | |
74 | ||
75 | if (created) { | |
76 | if (isFollowingInstance) Notifier.Instance.notifyOfNewInstanceFollow(actorFollow) | |
77 | else Notifier.Instance.notifyOfNewUserFollow(actorFollow) | |
78 | } | |
79 | ||
80 | logger.info('Actor %s is followed by actor %s.', targetActorURL, actor.url) | |
81 | } |