PeerTube/server/lib/activitypub/send/utils.ts

130 lines
4.1 KiB
TypeScript

import { Transaction } from 'sequelize'
import { Activity } from '../../../../shared/models/activitypub'
import { logger } from '../../../helpers/logger'
import { ActorModel } from '../../../models/activitypub/actor'
import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
import { JobQueue } from '../../job-queue'
import { VideoModel } from '../../../models/video/video'
import { getActorsInvolvedInVideo } from '../audience'
async function forwardVideoRelatedActivity (
activity: Activity,
t: Transaction,
followersException: ActorModel[] = [],
video: VideoModel
) {
// Mastodon does not add our announces in audience, so we forward to them manually
const additionalActors = await getActorsInvolvedInVideo(video, t)
const additionalFollowerUrls = additionalActors.map(a => a.followersUrl)
return forwardActivity(activity, t, followersException, additionalFollowerUrls)
}
async function forwardActivity (
activity: Activity,
t: Transaction,
followersException: ActorModel[] = [],
additionalFollowerUrls: string[] = []
) {
const to = activity.to || []
const cc = activity.cc || []
const followersUrls = additionalFollowerUrls
for (const dest of to.concat(cc)) {
if (dest.endsWith('/followers')) {
followersUrls.push(dest)
}
}
const toActorFollowers = await ActorModel.listByFollowersUrls(followersUrls, t)
const uris = await computeFollowerUris(toActorFollowers, followersException, t)
if (uris.length === 0) {
logger.info('0 followers for %s, no forwarding.', toActorFollowers.map(a => a.id).join(', '))
return undefined
}
logger.debug('Creating forwarding job.', { uris })
const payload = {
uris,
body: activity
}
return JobQueue.Instance.createJob({ type: 'activitypub-http-broadcast', payload })
}
async function broadcastToFollowers (
data: any,
byActor: ActorModel,
toActorFollowers: ActorModel[],
t: Transaction,
actorsException: ActorModel[] = []
) {
const uris = await computeFollowerUris(toActorFollowers, actorsException, t)
return broadcastTo(uris, data, byActor)
}
async function broadcastToActors (
data: any,
byActor: ActorModel,
toActors: ActorModel[],
actorsException: ActorModel[] = []
) {
const uris = await computeUris(toActors, actorsException)
return broadcastTo(uris, data, byActor)
}
async function broadcastTo (uris: string[], data: any, byActor: ActorModel) {
if (uris.length === 0) return undefined
logger.debug('Creating broadcast job.', { uris })
const payload = {
uris,
signatureActorId: byActor.id,
body: data
}
return JobQueue.Instance.createJob({ type: 'activitypub-http-broadcast', payload })
}
async function unicastTo (data: any, byActor: ActorModel, toActorUrl: string) {
logger.debug('Creating unicast job.', { uri: toActorUrl })
const payload = {
uri: toActorUrl,
signatureActorId: byActor.id,
body: data
}
return JobQueue.Instance.createJob({ type: 'activitypub-http-unicast', payload })
}
// ---------------------------------------------------------------------------
export {
broadcastToFollowers,
unicastTo,
forwardActivity,
broadcastToActors,
forwardVideoRelatedActivity
}
// ---------------------------------------------------------------------------
async function computeFollowerUris (toActorFollower: ActorModel[], actorsException: ActorModel[], t: Transaction) {
const toActorFollowerIds = toActorFollower.map(a => a.id)
const result = await ActorFollowModel.listAcceptedFollowerSharedInboxUrls(toActorFollowerIds, t)
const sharedInboxesException = actorsException.map(f => f.sharedInboxUrl || f.inboxUrl)
return result.data.filter(sharedInbox => sharedInboxesException.indexOf(sharedInbox) === -1)
}
async function computeUris (toActors: ActorModel[], actorsException: ActorModel[] = []) {
const toActorSharedInboxesSet = new Set(toActors.map(a => a.sharedInboxUrl || a.inboxUrl))
const sharedInboxesException = actorsException.map(f => f.sharedInboxUrl || f.inboxUrl)
return Array.from(toActorSharedInboxesSet)
.filter(sharedInbox => sharedInboxesException.indexOf(sharedInbox) === -1)
}