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1 | import * as Bull from 'bull' | |
2 | import { logger } from '../../../helpers/logger' | |
3 | import { REMOTE_SCHEME, WEBSERVER } from '../../../initializers/constants' | |
4 | import { sendFollow } from '../../activitypub/send' | |
5 | import { sanitizeHost } from '../../../helpers/core-utils' | |
6 | import { loadActorUrlOrGetFromWebfinger } from '../../../helpers/webfinger' | |
7 | import { getOrCreateActorAndServerAndModel } from '../../activitypub/actor' | |
8 | import { retryTransactionWrapper } from '../../../helpers/database-utils' | |
9 | import { ActorFollowModel } from '../../../models/activitypub/actor-follow' | |
10 | import { ActorModel } from '../../../models/activitypub/actor' | |
11 | import { Notifier } from '../../notifier' | |
12 | import { sequelizeTypescript } from '../../../initializers/database' | |
13 | import { MActor, MActorFollowActors, MActorFull } from '../../../types/models' | |
14 | import { ActivitypubFollowPayload } from '@shared/models' | |
15 | import { getLocalActorFollowActivityPubUrl } from '@server/lib/activitypub/url' | |
16 | ||
17 | async function processActivityPubFollow (job: Bull.Job) { | |
18 | const payload = job.data as ActivitypubFollowPayload | |
19 | const host = payload.host | |
20 | ||
21 | logger.info('Processing ActivityPub follow in job %d.', job.id) | |
22 | ||
23 | let targetActor: MActorFull | |
24 | if (!host || host === WEBSERVER.HOST) { | |
25 | targetActor = await ActorModel.loadLocalByName(payload.name) | |
26 | } else { | |
27 | const sanitizedHost = sanitizeHost(host, REMOTE_SCHEME.HTTP) | |
28 | const actorUrl = await loadActorUrlOrGetFromWebfinger(payload.name + '@' + sanitizedHost) | |
29 | targetActor = await getOrCreateActorAndServerAndModel(actorUrl, 'all') | |
30 | } | |
31 | ||
32 | if (payload.assertIsChannel && !targetActor.VideoChannel) { | |
33 | logger.warn('Do not follow %s@%s because it is not a channel.', payload.name, host) | |
34 | return | |
35 | } | |
36 | ||
37 | const fromActor = await ActorModel.load(payload.followerActorId) | |
38 | ||
39 | return retryTransactionWrapper(follow, fromActor, targetActor, payload.isAutoFollow) | |
40 | } | |
41 | // --------------------------------------------------------------------------- | |
42 | ||
43 | export { | |
44 | processActivityPubFollow | |
45 | } | |
46 | ||
47 | // --------------------------------------------------------------------------- | |
48 | ||
49 | async function follow (fromActor: MActor, targetActor: MActorFull, isAutoFollow = false) { | |
50 | if (fromActor.id === targetActor.id) { | |
51 | throw new Error('Follower is the same as target actor.') | |
52 | } | |
53 | ||
54 | // Same server, direct accept | |
55 | const state = !fromActor.serverId && !targetActor.serverId ? 'accepted' : 'pending' | |
56 | ||
57 | const actorFollow = await sequelizeTypescript.transaction(async t => { | |
58 | const [ actorFollow ] = await ActorFollowModel.findOrCreate<MActorFollowActors>({ | |
59 | where: { | |
60 | actorId: fromActor.id, | |
61 | targetActorId: targetActor.id | |
62 | }, | |
63 | defaults: { | |
64 | state, | |
65 | url: getLocalActorFollowActivityPubUrl(fromActor, targetActor), | |
66 | actorId: fromActor.id, | |
67 | targetActorId: targetActor.id | |
68 | }, | |
69 | transaction: t | |
70 | }) | |
71 | actorFollow.ActorFollowing = targetActor | |
72 | actorFollow.ActorFollower = fromActor | |
73 | ||
74 | // Send a notification to remote server if our follow is not already accepted | |
75 | if (actorFollow.state !== 'accepted') sendFollow(actorFollow, t) | |
76 | ||
77 | return actorFollow | |
78 | }) | |
79 | ||
80 | const followerFull = await ActorModel.loadFull(fromActor.id) | |
81 | ||
82 | const actorFollowFull = Object.assign(actorFollow, { | |
83 | ActorFollowing: targetActor, | |
84 | ActorFollower: followerFull | |
85 | }) | |
86 | ||
87 | if (actorFollow.state === 'accepted') Notifier.Instance.notifyOfNewUserFollow(actorFollowFull) | |
88 | if (isAutoFollow === true) Notifier.Instance.notifyOfAutoInstanceFollowing(actorFollowFull) | |
89 | ||
90 | return actorFollow | |
91 | } |