2017-11-20 03:43:39 -05:00
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import { Transaction } from 'sequelize'
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2017-12-19 04:34:56 -05:00
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import { Activity, ActivityAudience } from '../../../../shared/models/activitypub'
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2017-12-28 05:16:08 -05:00
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import { logger } from '../../../helpers/logger'
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2017-12-12 11:53:50 -05:00
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import { ACTIVITY_PUB } from '../../../initializers'
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2017-12-14 11:38:41 -05:00
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import { ActorModel } from '../../../models/activitypub/actor'
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import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
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import { VideoModel } from '../../../models/video/video'
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import { VideoShareModel } from '../../../models/video/video-share'
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import { activitypubHttpJobScheduler, ActivityPubHttpPayload } from '../../jobs/activitypub-http-job-scheduler'
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2017-11-24 07:41:10 -05:00
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async function forwardActivity (
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activity: Activity,
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t: Transaction,
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followersException: ActorModel[] = []
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) {
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const to = activity.to || []
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const cc = activity.cc || []
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const followersUrls: string[] = []
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for (const dest of to.concat(cc)) {
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if (dest.endsWith('/followers')) {
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followersUrls.push(dest)
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}
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}
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2017-12-14 11:38:41 -05:00
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const toActorFollowers = await ActorModel.listByFollowersUrls(followersUrls, t)
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const uris = await computeFollowerUris(toActorFollowers, followersException, t)
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if (uris.length === 0) {
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logger.info('0 followers for %s, no forwarding.', toActorFollowers.map(a => a.id).join(', '))
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return undefined
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}
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logger.debug('Creating forwarding job.', { uris })
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const jobPayload: ActivityPubHttpPayload = {
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uris,
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body: activity
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}
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return activitypubHttpJobScheduler.createJob(t, 'activitypubHttpBroadcastHandler', jobPayload)
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}
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2017-11-20 03:43:39 -05:00
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2017-11-22 10:25:03 -05:00
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async function broadcastToFollowers (
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data: any,
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byActor: ActorModel,
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toActorFollowers: ActorModel[],
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t: Transaction,
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followersException: ActorModel[] = []
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) {
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const uris = await computeFollowerUris(toActorFollowers, followersException, t)
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if (uris.length === 0) {
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logger.info('0 followers for %s, no broadcasting.', toActorFollowers.map(a => a.id).join(', '))
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return undefined
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}
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logger.debug('Creating broadcast job.', { uris })
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const jobPayload: ActivityPubHttpPayload = {
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uris,
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signatureActorId: byActor.id,
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body: data
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}
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return activitypubHttpJobScheduler.createJob(t, 'activitypubHttpBroadcastHandler', jobPayload)
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}
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async function unicastTo (data: any, byActor: ActorModel, toActorUrl: string, t: Transaction) {
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logger.debug('Creating unicast job.', { uri: toActorUrl })
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const jobPayload: ActivityPubHttpPayload = {
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uris: [ toActorUrl ],
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signatureActorId: byActor.id,
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body: data
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}
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return activitypubHttpJobScheduler.createJob(t, 'activitypubHttpUnicastHandler', jobPayload)
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}
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function getOriginVideoAudience (video: VideoModel, actorsInvolvedInVideo: ActorModel[]) {
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return {
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to: [ video.VideoChannel.Account.Actor.url ],
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cc: actorsInvolvedInVideo.map(a => a.followersUrl)
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}
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}
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function getObjectFollowersAudience (actorsInvolvedInObject: ActorModel[]) {
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return {
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to: actorsInvolvedInObject.map(a => a.followersUrl),
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cc: []
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}
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}
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async function getActorsInvolvedInVideo (video: VideoModel, t: Transaction) {
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const actorsToForwardView = await VideoShareModel.loadActorsByShare(video.id, t)
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actorsToForwardView.push(video.VideoChannel.Account.Actor)
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return actorsToForwardView
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}
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async function getAudience (actorSender: ActorModel, t: Transaction, isPublic = true) {
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const followerInboxUrls = await actorSender.getFollowerSharedInboxUrls(t)
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// Thanks Mastodon: https://github.com/tootsuite/mastodon/blob/master/app/lib/activitypub/tag_manager.rb#L47
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let to = []
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let cc = []
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if (isPublic) {
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to = [ ACTIVITY_PUB.PUBLIC ]
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cc = followerInboxUrls
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} else { // Unlisted
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to = followerInboxUrls
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cc = [ ACTIVITY_PUB.PUBLIC ]
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}
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return { to, cc }
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}
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2017-12-19 04:34:56 -05:00
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function audiencify (object: any, audience: ActivityAudience) {
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return Object.assign(object, audience)
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}
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async function computeFollowerUris (toActorFollower: ActorModel[], followersException: ActorModel[], t: Transaction) {
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const toActorFollowerIds = toActorFollower.map(a => a.id)
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const result = await ActorFollowModel.listAcceptedFollowerSharedInboxUrls(toActorFollowerIds, t)
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const followersSharedInboxException = followersException.map(f => f.sharedInboxUrl)
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return result.data.filter(sharedInbox => followersSharedInboxException.indexOf(sharedInbox) === -1)
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}
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2017-11-20 03:43:39 -05:00
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// ---------------------------------------------------------------------------
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export {
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broadcastToFollowers,
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unicastTo,
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getAudience,
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getOriginVideoAudience,
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getActorsInvolvedInVideo,
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getObjectFollowersAudience,
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forwardActivity,
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audiencify
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}
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