server/lib/activitypub/send/send-update.ts

   1 import { Transaction } from 'sequelize'
   2 import { ActivityAudience, ActivityUpdate } from '../../../../shared/models/activitypub'
   3 import { VideoPrivacy } from '../../../../shared/models/videos'
   4 import { AccountModel } from '../../../models/account/account'
   5 import { ActorModel } from '../../../models/activitypub/actor'
   6 import { VideoModel } from '../../../models/video/video'
   7 import { VideoChannelModel } from '../../../models/video/video-channel'
   8 import { VideoShareModel } from '../../../models/video/video-share'
   9 import { getUpdateActivityPubUrl } from '../url'
  10 import { broadcastToFollowers, sendVideoRelatedActivity } from './utils'
  11 import { audiencify, getActorsInvolvedInVideo, getAudience } from '../audience'
  12 import { logger } from '../../../helpers/logger'
  13 import { VideoCaptionModel } from '../../../models/video/video-caption'
  14 import { VideoRedundancyModel } from '../../../models/redundancy/video-redundancy'
  15 import { VideoPlaylistModel } from '../../../models/video/video-playlist'
  16 import { VideoPlaylistPrivacy } from '../../../../shared/models/videos/playlist/video-playlist-privacy.model'
  17 import { getServerActor } from '../../../helpers/utils'
  18
  19 async function sendUpdateVideo (video: VideoModel, t: Transaction, overrodeByActor?: ActorModel) {
  20   if (video.privacy === VideoPrivacy.PRIVATE) return undefined
  21
  22   logger.info('Creating job to update video %s.', video.url)
  23
  24   const byActor = overrodeByActor ? overrodeByActor : video.VideoChannel.Account.Actor
  25
  26   const url = getUpdateActivityPubUrl(video.url, video.updatedAt.toISOString())
  27
  28   // Needed to build the AP object
  29   if (!video.VideoCaptions) {
  30     video.VideoCaptions = await video.$get('VideoCaptions', { transaction: t }) as VideoCaptionModel[]
  31   }
  32
  33   const videoObject = video.toActivityPubObject()
  34   const audience = getAudience(byActor, video.privacy === VideoPrivacy.PUBLIC)
  35
  36   const updateActivity = buildUpdateActivity(url, byActor, videoObject, audience)
  37
  38   const actorsInvolved = await getActorsInvolvedInVideo(video, t)
  39   if (overrodeByActor) actorsInvolved.push(overrodeByActor)
  40
  41   return broadcastToFollowers(updateActivity, byActor, actorsInvolved, t)
  42 }
  43
  44 async function sendUpdateActor (accountOrChannel: AccountModel | VideoChannelModel, t: Transaction) {
  45   const byActor = accountOrChannel.Actor
  46
  47   logger.info('Creating job to update actor %s.', byActor.url)
  48
  49   const url = getUpdateActivityPubUrl(byActor.url, byActor.updatedAt.toISOString())
  50   const accountOrChannelObject = accountOrChannel.toActivityPubObject()
  51   const audience = getAudience(byActor)
  52   const updateActivity = buildUpdateActivity(url, byActor, accountOrChannelObject, audience)
  53
  54   let actorsInvolved: ActorModel[]
  55   if (accountOrChannel instanceof AccountModel) {
  56     // Actors that shared my videos are involved too
  57     actorsInvolved = await VideoShareModel.loadActorsWhoSharedVideosOf(byActor.id, t)
  58   } else {
  59     // Actors that shared videos of my channel are involved too
  60     actorsInvolved = await VideoShareModel.loadActorsByVideoChannel(accountOrChannel.id, t)
  61   }
  62
  63   actorsInvolved.push(byActor)
  64
  65   return broadcastToFollowers(updateActivity, byActor, actorsInvolved, t)
  66 }
  67
  68 async function sendUpdateCacheFile (byActor: ActorModel, redundancyModel: VideoRedundancyModel) {
  69   logger.info('Creating job to update cache file %s.', redundancyModel.url)
  70
  71   const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(redundancyModel.getVideo().id)
  72
  73   const activityBuilder = (audience: ActivityAudience) => {
  74     const redundancyObject = redundancyModel.toActivityPubObject()
  75     const url = getUpdateActivityPubUrl(redundancyModel.url, redundancyModel.updatedAt.toISOString())
  76
  77     return buildUpdateActivity(url, byActor, redundancyObject, audience)
  78   }
  79
  80   return sendVideoRelatedActivity(activityBuilder, { byActor, video })
  81 }
  82
  83 async function sendUpdateVideoPlaylist (videoPlaylist: VideoPlaylistModel, t: Transaction) {
  84   if (videoPlaylist.privacy === VideoPlaylistPrivacy.PRIVATE) return undefined
  85
  86   const byActor = videoPlaylist.OwnerAccount.Actor
  87
  88   logger.info('Creating job to update video playlist %s.', videoPlaylist.url)
  89
  90   const url = getUpdateActivityPubUrl(videoPlaylist.url, videoPlaylist.updatedAt.toISOString())
  91
  92   const object = await videoPlaylist.toActivityPubObject(null, t)
  93   const audience = getAudience(byActor, videoPlaylist.privacy === VideoPlaylistPrivacy.PUBLIC)
  94
  95   const updateActivity = buildUpdateActivity(url, byActor, object, audience)
  96
  97   const serverActor = await getServerActor()
  98   const toFollowersOf = [ byActor, serverActor ]
  99
 100   if (videoPlaylist.VideoChannel) toFollowersOf.push(videoPlaylist.VideoChannel.Actor)
 101
 102   return broadcastToFollowers(updateActivity, byActor, toFollowersOf, t)
 103 }
 104
 105 // ---------------------------------------------------------------------------
 106
 107 export {
 108   sendUpdateActor,
 109   sendUpdateVideo,
 110   sendUpdateCacheFile,
 111   sendUpdateVideoPlaylist
 112 }
 113
 114 // ---------------------------------------------------------------------------
 115
 116 function buildUpdateActivity (url: string, byActor: ActorModel, object: any, audience?: ActivityAudience): ActivityUpdate {
 117   if (!audience) audience = getAudience(byActor)
 118
 119   return audiencify(
 120     {
 121       type: 'Update' as 'Update',
 122       id: url,
 123       actor: byActor.url,
 124       object: audiencify(object, audience
 125       )
 126     },
 127     audience
 128   )
 129 }