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1 | import { Transaction } from 'sequelize' | |
2 | import { Activity, ActivityAudience } 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 | import { getActorsInvolvedInVideo, getAudienceFromFollowersOf, getRemoteVideoAudience } from '../audience' | |
8 | import { getServerActor } from '../../../helpers/utils' | |
9 | import { afterCommitIfTransaction } from '../../../helpers/database-utils' | |
10 | import { MActor, MActorId, MActorLight, MActorWithInboxes, MVideoAccountLight, MVideoId, MVideoImmutable } from '../../../typings/models' | |
11 | import { ContextType } from '@server/helpers/activitypub' | |
12 | ||
13 | async function sendVideoRelatedActivity (activityBuilder: (audience: ActivityAudience) => Activity, options: { | |
14 | byActor: MActorLight | |
15 | video: MVideoImmutable | MVideoAccountLight | |
16 | transaction?: Transaction | |
17 | contextType?: ContextType | |
18 | }) { | |
19 | const { byActor, video, transaction, contextType } = options | |
20 | ||
21 | const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, transaction) | |
22 | ||
23 | // Send to origin | |
24 | if (video.isOwned() === false) { | |
25 | const accountActor = (video as MVideoAccountLight).VideoChannel?.Account?.Actor || await ActorModel.loadAccountActorByVideoId(video.id) | |
26 | ||
27 | const audience = getRemoteVideoAudience(accountActor, actorsInvolvedInVideo) | |
28 | const activity = activityBuilder(audience) | |
29 | ||
30 | return afterCommitIfTransaction(transaction, () => { | |
31 | return unicastTo(activity, byActor, accountActor.getSharedInbox(), contextType) | |
32 | }) | |
33 | } | |
34 | ||
35 | // Send to followers | |
36 | const audience = getAudienceFromFollowersOf(actorsInvolvedInVideo) | |
37 | const activity = activityBuilder(audience) | |
38 | ||
39 | const actorsException = [ byActor ] | |
40 | ||
41 | return broadcastToFollowers(activity, byActor, actorsInvolvedInVideo, transaction, actorsException, contextType) | |
42 | } | |
43 | ||
44 | async function forwardVideoRelatedActivity ( | |
45 | activity: Activity, | |
46 | t: Transaction, | |
47 | followersException: MActorWithInboxes[] = [], | |
48 | video: MVideoId | |
49 | ) { | |
50 | // Mastodon does not add our announces in audience, so we forward to them manually | |
51 | const additionalActors = await getActorsInvolvedInVideo(video, t) | |
52 | const additionalFollowerUrls = additionalActors.map(a => a.followersUrl) | |
53 | ||
54 | return forwardActivity(activity, t, followersException, additionalFollowerUrls) | |
55 | } | |
56 | ||
57 | async function forwardActivity ( | |
58 | activity: Activity, | |
59 | t: Transaction, | |
60 | followersException: MActorWithInboxes[] = [], | |
61 | additionalFollowerUrls: string[] = [] | |
62 | ) { | |
63 | logger.info('Forwarding activity %s.', activity.id) | |
64 | ||
65 | const to = activity.to || [] | |
66 | const cc = activity.cc || [] | |
67 | ||
68 | const followersUrls = additionalFollowerUrls | |
69 | for (const dest of to.concat(cc)) { | |
70 | if (dest.endsWith('/followers')) { | |
71 | followersUrls.push(dest) | |
72 | } | |
73 | } | |
74 | ||
75 | const toActorFollowers = await ActorModel.listByFollowersUrls(followersUrls, t) | |
76 | const uris = await computeFollowerUris(toActorFollowers, followersException, t) | |
77 | ||
78 | if (uris.length === 0) { | |
79 | logger.info('0 followers for %s, no forwarding.', toActorFollowers.map(a => a.id).join(', ')) | |
80 | return undefined | |
81 | } | |
82 | ||
83 | logger.debug('Creating forwarding job.', { uris }) | |
84 | ||
85 | const payload = { | |
86 | uris, | |
87 | body: activity | |
88 | } | |
89 | return afterCommitIfTransaction(t, () => JobQueue.Instance.createJob({ type: 'activitypub-http-broadcast', payload })) | |
90 | } | |
91 | ||
92 | async function broadcastToFollowers ( | |
93 | data: any, | |
94 | byActor: MActorId, | |
95 | toFollowersOf: MActorId[], | |
96 | t: Transaction, | |
97 | actorsException: MActorWithInboxes[] = [], | |
98 | contextType?: ContextType | |
99 | ) { | |
100 | const uris = await computeFollowerUris(toFollowersOf, actorsException, t) | |
101 | ||
102 | return afterCommitIfTransaction(t, () => broadcastTo(uris, data, byActor, contextType)) | |
103 | } | |
104 | ||
105 | async function broadcastToActors ( | |
106 | data: any, | |
107 | byActor: MActorId, | |
108 | toActors: MActor[], | |
109 | t?: Transaction, | |
110 | actorsException: MActorWithInboxes[] = [], | |
111 | contextType?: ContextType | |
112 | ) { | |
113 | const uris = await computeUris(toActors, actorsException) | |
114 | return afterCommitIfTransaction(t, () => broadcastTo(uris, data, byActor, contextType)) | |
115 | } | |
116 | ||
117 | function broadcastTo (uris: string[], data: any, byActor: MActorId, contextType?: ContextType) { | |
118 | if (uris.length === 0) return undefined | |
119 | ||
120 | logger.debug('Creating broadcast job.', { uris }) | |
121 | ||
122 | const payload = { | |
123 | uris, | |
124 | signatureActorId: byActor.id, | |
125 | body: data, | |
126 | contextType | |
127 | } | |
128 | ||
129 | return JobQueue.Instance.createJob({ type: 'activitypub-http-broadcast', payload }) | |
130 | } | |
131 | ||
132 | function unicastTo (data: any, byActor: MActorId, toActorUrl: string, contextType?: ContextType) { | |
133 | logger.debug('Creating unicast job.', { uri: toActorUrl }) | |
134 | ||
135 | const payload = { | |
136 | uri: toActorUrl, | |
137 | signatureActorId: byActor.id, | |
138 | body: data, | |
139 | contextType | |
140 | } | |
141 | ||
142 | JobQueue.Instance.createJob({ type: 'activitypub-http-unicast', payload }) | |
143 | } | |
144 | ||
145 | // --------------------------------------------------------------------------- | |
146 | ||
147 | export { | |
148 | broadcastToFollowers, | |
149 | unicastTo, | |
150 | forwardActivity, | |
151 | broadcastToActors, | |
152 | forwardVideoRelatedActivity, | |
153 | sendVideoRelatedActivity | |
154 | } | |
155 | ||
156 | // --------------------------------------------------------------------------- | |
157 | ||
158 | async function computeFollowerUris (toFollowersOf: MActorId[], actorsException: MActorWithInboxes[], t: Transaction) { | |
159 | const toActorFollowerIds = toFollowersOf.map(a => a.id) | |
160 | ||
161 | const result = await ActorFollowModel.listAcceptedFollowerSharedInboxUrls(toActorFollowerIds, t) | |
162 | const sharedInboxesException = await buildSharedInboxesException(actorsException) | |
163 | ||
164 | return result.data.filter(sharedInbox => sharedInboxesException.indexOf(sharedInbox) === -1) | |
165 | } | |
166 | ||
167 | async function computeUris (toActors: MActor[], actorsException: MActorWithInboxes[] = []) { | |
168 | const serverActor = await getServerActor() | |
169 | const targetUrls = toActors | |
170 | .filter(a => a.id !== serverActor.id) // Don't send to ourselves | |
171 | .map(a => a.getSharedInbox()) | |
172 | ||
173 | const toActorSharedInboxesSet = new Set(targetUrls) | |
174 | ||
175 | const sharedInboxesException = await buildSharedInboxesException(actorsException) | |
176 | return Array.from(toActorSharedInboxesSet) | |
177 | .filter(sharedInbox => sharedInboxesException.indexOf(sharedInbox) === -1) | |
178 | } | |
179 | ||
180 | async function buildSharedInboxesException (actorsException: MActorWithInboxes[]) { | |
181 | const serverActor = await getServerActor() | |
182 | ||
183 | return actorsException | |
184 | .map(f => f.getSharedInbox()) | |
185 | .concat([ serverActor.sharedInboxUrl ]) | |
186 | } |