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1 | import { Transaction } from 'sequelize' | |
2 | import { Activity } from '../../../../shared/models/activitypub' | |
3 | import { logger } from '../../../helpers/logger' | |
4 | import { ActorModel } from '../../../models/activitypub/actor' | |
5 | import { ActorFollowModel } from '../../../models/activitypub/actor-follow' | |
6 | import { JobQueue } from '../../job-queue' | |
7 | ||
8 | async function forwardActivity ( | |
9 | activity: Activity, | |
10 | t: Transaction, | |
11 | followersException: ActorModel[] = [], | |
12 | additionalFollowerUrls: string[] = [] | |
13 | ) { | |
14 | const to = activity.to || [] | |
15 | const cc = activity.cc || [] | |
16 | ||
17 | const followersUrls = additionalFollowerUrls | |
18 | for (const dest of to.concat(cc)) { | |
19 | if (dest.endsWith('/followers')) { | |
20 | followersUrls.push(dest) | |
21 | } | |
22 | } | |
23 | ||
24 | const toActorFollowers = await ActorModel.listByFollowersUrls(followersUrls, t) | |
25 | const uris = await computeFollowerUris(toActorFollowers, followersException, t) | |
26 | ||
27 | if (uris.length === 0) { | |
28 | logger.info('0 followers for %s, no forwarding.', toActorFollowers.map(a => a.id).join(', ')) | |
29 | return undefined | |
30 | } | |
31 | ||
32 | logger.debug('Creating forwarding job.', { uris }) | |
33 | ||
34 | const payload = { | |
35 | uris, | |
36 | body: activity | |
37 | } | |
38 | return JobQueue.Instance.createJob({ type: 'activitypub-http-broadcast', payload }) | |
39 | } | |
40 | ||
41 | async function broadcastToFollowers ( | |
42 | data: any, | |
43 | byActor: ActorModel, | |
44 | toActorFollowers: ActorModel[], | |
45 | t: Transaction, | |
46 | actorsException: ActorModel[] = [] | |
47 | ) { | |
48 | const uris = await computeFollowerUris(toActorFollowers, actorsException, t) | |
49 | return broadcastTo(uris, data, byActor) | |
50 | } | |
51 | ||
52 | async function broadcastToActors ( | |
53 | data: any, | |
54 | byActor: ActorModel, | |
55 | toActors: ActorModel[], | |
56 | actorsException: ActorModel[] = [] | |
57 | ) { | |
58 | const uris = await computeUris(toActors, actorsException) | |
59 | return broadcastTo(uris, data, byActor) | |
60 | } | |
61 | ||
62 | async function broadcastTo (uris: string[], data: any, byActor: ActorModel) { | |
63 | if (uris.length === 0) return undefined | |
64 | ||
65 | logger.debug('Creating broadcast job.', { uris }) | |
66 | ||
67 | const payload = { | |
68 | uris, | |
69 | signatureActorId: byActor.id, | |
70 | body: data | |
71 | } | |
72 | ||
73 | return JobQueue.Instance.createJob({ type: 'activitypub-http-broadcast', payload }) | |
74 | } | |
75 | ||
76 | async function unicastTo (data: any, byActor: ActorModel, toActorUrl: string) { | |
77 | logger.debug('Creating unicast job.', { uri: toActorUrl }) | |
78 | ||
79 | const payload = { | |
80 | uri: toActorUrl, | |
81 | signatureActorId: byActor.id, | |
82 | body: data | |
83 | } | |
84 | ||
85 | return JobQueue.Instance.createJob({ type: 'activitypub-http-unicast', payload }) | |
86 | } | |
87 | ||
88 | // --------------------------------------------------------------------------- | |
89 | ||
90 | export { | |
91 | broadcastToFollowers, | |
92 | unicastTo, | |
93 | forwardActivity, | |
94 | broadcastToActors | |
95 | } | |
96 | ||
97 | // --------------------------------------------------------------------------- | |
98 | ||
99 | async function computeFollowerUris (toActorFollower: ActorModel[], actorsException: ActorModel[], t: Transaction) { | |
100 | const toActorFollowerIds = toActorFollower.map(a => a.id) | |
101 | ||
102 | const result = await ActorFollowModel.listAcceptedFollowerSharedInboxUrls(toActorFollowerIds, t) | |
103 | const sharedInboxesException = actorsException.map(f => f.sharedInboxUrl || f.inboxUrl) | |
104 | return result.data.filter(sharedInbox => sharedInboxesException.indexOf(sharedInbox) === -1) | |
105 | } | |
106 | ||
107 | async function computeUris (toActors: ActorModel[], actorsException: ActorModel[] = []) { | |
108 | const toActorSharedInboxesSet = new Set(toActors.map(a => a.sharedInboxUrl || a.inboxUrl)) | |
109 | ||
110 | const sharedInboxesException = actorsException.map(f => f.sharedInboxUrl || f.inboxUrl) | |
111 | return Array.from(toActorSharedInboxesSet) | |
112 | .filter(sharedInbox => sharedInboxesException.indexOf(sharedInbox) === -1) | |
113 | } |