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 { getServerActor } from '../../../helpers'
   5 import { ActorModel } from '../../../models/activitypub/actor'
   6 import { VideoModel } from '../../../models/video/video'
   7 import { VideoAbuseModel } from '../../../models/video/video-abuse'
   8 import { getVideoAbuseActivityPubUrl, getVideoDislikeActivityPubUrl, getVideoViewActivityPubUrl } from '../url'
   9 import {
  10   audiencify,
  11   broadcastToFollowers,
  12   getActorsInvolvedInVideo,
  13   getAudience,
  14   getObjectFollowersAudience,
  15   getOriginVideoAudience,
  16   unicastTo
  17 } from './misc'
  18
  19 async function sendCreateVideo (video: VideoModel, t: Transaction) {
  20   if (video.privacy === VideoPrivacy.PRIVATE) return
  21
  22   const byActor = video.VideoChannel.Account.Actor
  23   const videoObject = video.toActivityPubObject()
  24
  25   const audience = await getAudience(byActor, t, video.privacy === VideoPrivacy.PUBLIC)
  26   const data = await createActivityData(video.url, byActor, videoObject, t, audience)
  27
  28   return broadcastToFollowers(data, byActor, [ byActor ], t)
  29 }
  30
  31 async function sendVideoAbuse (byActor: ActorModel, videoAbuse: VideoAbuseModel, video: VideoModel, t: Transaction) {
  32   const url = getVideoAbuseActivityPubUrl(videoAbuse)
  33
  34   const audience = { to: [ video.VideoChannel.Account.Actor.url ], cc: [] }
  35   const data = await createActivityData(url, byActor, videoAbuse.toActivityPubObject(), t, audience)
  36
  37   return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl, t)
  38 }
  39
  40 async function sendCreateViewToOrigin (byActor: ActorModel, video: VideoModel, t: Transaction) {
  41   const url = getVideoViewActivityPubUrl(byActor, video)
  42   const viewActivity = createViewActivityData(byActor, video)
  43
  44   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  45   const audience = getOriginVideoAudience(video, actorsInvolvedInVideo)
  46   const data = await createActivityData(url, byActor, viewActivity, t, audience)
  47
  48   return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl, t)
  49 }
  50
  51 async function sendCreateViewToVideoFollowers (byActor: ActorModel, video: VideoModel, t: Transaction) {
  52   const url = getVideoViewActivityPubUrl(byActor, video)
  53   const viewActivity = createViewActivityData(byActor, video)
  54
  55   const actorsToForwardView = await getActorsInvolvedInVideo(video, t)
  56   const audience = getObjectFollowersAudience(actorsToForwardView)
  57   const data = await createActivityData(url, byActor, viewActivity, t, audience)
  58
  59   // Use the server actor to send the view
  60   const serverActor = await getServerActor()
  61   const followersException = [ byActor ]
  62   return broadcastToFollowers(data, serverActor, actorsToForwardView, t, followersException)
  63 }
  64
  65 async function sendCreateDislikeToOrigin (byActor: ActorModel, video: VideoModel, t: Transaction) {
  66   const url = getVideoDislikeActivityPubUrl(byActor, video)
  67   const dislikeActivity = createDislikeActivityData(byActor, video)
  68
  69   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  70   const audience = getOriginVideoAudience(video, actorsInvolvedInVideo)
  71   const data = await createActivityData(url, byActor, dislikeActivity, t, audience)
  72
  73   return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl, t)
  74 }
  75
  76 async function sendCreateDislikeToVideoFollowers (byActor: ActorModel, video: VideoModel, t: Transaction) {
  77   const url = getVideoDislikeActivityPubUrl(byActor, video)
  78   const dislikeActivity = createDislikeActivityData(byActor, video)
  79
  80   const actorsToForwardView = await getActorsInvolvedInVideo(video, t)
  81   const audience = getObjectFollowersAudience(actorsToForwardView)
  82   const data = await createActivityData(url, byActor, dislikeActivity, t, audience)
  83
  84   const followersException = [ byActor ]
  85   return broadcastToFollowers(data, byActor, actorsToForwardView, t, followersException)
  86 }
  87
  88 async function createActivityData (
  89   url: string,
  90   byActor: ActorModel,
  91   object: any,
  92   t: Transaction,
  93   audience?: ActivityAudience
  94 ): Promise<ActivityCreate> {
  95   if (!audience) {
  96     audience = await getAudience(byActor, t)
  97   }
  98
  99   return audiencify({
 100     type: 'Create',
 101     id: url,
 102     actor: byActor.url,
 103     object: audiencify(object, audience)
 104   }, audience)
 105 }
 106
 107 function createDislikeActivityData (byActor: ActorModel, video: VideoModel) {
 108   return {
 109     type: 'Dislike',
 110     actor: byActor.url,
 111     object: video.url
 112   }
 113 }
 114
 115 // ---------------------------------------------------------------------------
 116
 117 export {
 118   sendCreateVideo,
 119   sendVideoAbuse,
 120   createActivityData,
 121   sendCreateViewToOrigin,
 122   sendCreateViewToVideoFollowers,
 123   sendCreateDislikeToOrigin,
 124   sendCreateDislikeToVideoFollowers,
 125   createDislikeActivityData
 126 }
 127
 128 // ---------------------------------------------------------------------------
 129
 130 function createViewActivityData (byActor: ActorModel, video: VideoModel) {
 131   return {
 132     type: 'View',
 133     actor: byActor.url,
 134     object: video.url
 135   }
 136 }