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

   1 import { Transaction } from 'sequelize'
   2 import { ActivityAudience, ActivityCreate } from '../../../../shared/models/activitypub'
   3 import { VideoPrivacy } from '../../../../shared/models/videos'
   4 import { ActorModel } from '../../../models/activitypub/actor'
   5 import { VideoModel } from '../../../models/video/video'
   6 import { VideoCommentModel } from '../../../models/video/video-comment'
   7 import { broadcastToActors, broadcastToFollowers, sendVideoRelatedActivity, unicastTo } from './utils'
   8 import { audiencify, getActorsInvolvedInVideo, getAudience, getAudienceFromFollowersOf, getVideoCommentAudience } from '../audience'
   9 import { logger } from '../../../helpers/logger'
  10 import { VideoRedundancyModel } from '../../../models/redundancy/video-redundancy'
  11 import { VideoPlaylistModel } from '../../../models/video/video-playlist'
  12 import { VideoPlaylistPrivacy } from '../../../../shared/models/videos/playlist/video-playlist-privacy.model'
  13 import { getServerActor } from '../../../helpers/utils'
  14
  15 async function sendCreateVideo (video: VideoModel, t: Transaction) {
  16   if (video.privacy === VideoPrivacy.PRIVATE) return undefined
  17
  18   logger.info('Creating job to send video creation of %s.', video.url)
  19
  20   const byActor = video.VideoChannel.Account.Actor
  21   const videoObject = video.toActivityPubObject()
  22
  23   const audience = getAudience(byActor, video.privacy === VideoPrivacy.PUBLIC)
  24   const createActivity = buildCreateActivity(video.url, byActor, videoObject, audience)
  25
  26   return broadcastToFollowers(createActivity, byActor, [ byActor ], t)
  27 }
  28
  29 async function sendCreateCacheFile (byActor: ActorModel, video: VideoModel, fileRedundancy: VideoRedundancyModel) {
  30   logger.info('Creating job to send file cache of %s.', fileRedundancy.url)
  31
  32   return sendVideoRelatedCreateActivity({
  33     byActor,
  34     video,
  35     url: fileRedundancy.url,
  36     object: fileRedundancy.toActivityPubObject()
  37   })
  38 }
  39
  40 async function sendCreateVideoPlaylist (playlist: VideoPlaylistModel, t: Transaction) {
  41   if (playlist.privacy === VideoPlaylistPrivacy.PRIVATE) return undefined
  42
  43   logger.info('Creating job to send create video playlist of %s.', playlist.url)
  44
  45   const byActor = playlist.OwnerAccount.Actor
  46   const audience = getAudience(byActor, playlist.privacy === VideoPlaylistPrivacy.PUBLIC)
  47
  48   const object = await playlist.toActivityPubObject()
  49   const createActivity = buildCreateActivity(playlist.url, byActor, object, audience)
  50
  51   const serverActor = await getServerActor()
  52   const toFollowersOf = [ byActor, serverActor ]
  53
  54   if (playlist.VideoChannel) toFollowersOf.push(playlist.VideoChannel.Actor)
  55
  56   return broadcastToFollowers(createActivity, byActor, toFollowersOf, t)
  57 }
  58
  59 async function sendCreateVideoComment (comment: VideoCommentModel, t: Transaction) {
  60   logger.info('Creating job to send comment %s.', comment.url)
  61
  62   const isOrigin = comment.Video.isOwned()
  63
  64   const byActor = comment.Account.Actor
  65   const threadParentComments = await VideoCommentModel.listThreadParentComments(comment, t)
  66   const commentObject = comment.toActivityPubObject(threadParentComments)
  67
  68   const actorsInvolvedInComment = await getActorsInvolvedInVideo(comment.Video, t)
  69   // Add the actor that commented too
  70   actorsInvolvedInComment.push(byActor)
  71
  72   const parentsCommentActors = threadParentComments.map(c => c.Account.Actor)
  73
  74   let audience: ActivityAudience
  75   if (isOrigin) {
  76     audience = getVideoCommentAudience(comment, threadParentComments, actorsInvolvedInComment, isOrigin)
  77   } else {
  78     audience = getAudienceFromFollowersOf(actorsInvolvedInComment.concat(parentsCommentActors))
  79   }
  80
  81   const createActivity = buildCreateActivity(comment.url, byActor, commentObject, audience)
  82
  83   // This was a reply, send it to the parent actors
  84   const actorsException = [ byActor ]
  85   await broadcastToActors(createActivity, byActor, parentsCommentActors, actorsException)
  86
  87   // Broadcast to our followers
  88   await broadcastToFollowers(createActivity, byActor, [ byActor ], t)
  89
  90   // Send to actors involved in the comment
  91   if (isOrigin) return broadcastToFollowers(createActivity, byActor, actorsInvolvedInComment, t, actorsException)
  92
  93   // Send to origin
  94   return unicastTo(createActivity, byActor, comment.Video.VideoChannel.Account.Actor.sharedInboxUrl)
  95 }
  96
  97 function buildCreateActivity (url: string, byActor: ActorModel, object: any, audience?: ActivityAudience): ActivityCreate {
  98   if (!audience) audience = getAudience(byActor)
  99
 100   return audiencify(
 101     {
 102       type: 'Create' as 'Create',
 103       id: url + '/activity',
 104       actor: byActor.url,
 105       object: audiencify(object, audience)
 106     },
 107     audience
 108   )
 109 }
 110
 111 // ---------------------------------------------------------------------------
 112
 113 export {
 114   sendCreateVideo,
 115   buildCreateActivity,
 116   sendCreateVideoComment,
 117   sendCreateVideoPlaylist,
 118   sendCreateCacheFile
 119 }
 120
 121 // ---------------------------------------------------------------------------
 122
 123 async function sendVideoRelatedCreateActivity (options: {
 124   byActor: ActorModel,
 125   video: VideoModel,
 126   url: string,
 127   object: any,
 128   transaction?: Transaction
 129 }) {
 130   const activityBuilder = (audience: ActivityAudience) => {
 131     return buildCreateActivity(options.url, options.byActor, options.object, audience)
 132   }
 133
 134   return sendVideoRelatedActivity(activityBuilder, options)
 135 }