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/utils'
   5 import { ActorModel } from '../../../models/activitypub/actor'
   6 import { VideoModel } from '../../../models/video/video'
   7 import { VideoAbuseModel } from '../../../models/video/video-abuse'
   8 import { VideoCommentModel } from '../../../models/video/video-comment'
   9 import { getVideoAbuseActivityPubUrl, getVideoDislikeActivityPubUrl, getVideoViewActivityPubUrl } from '../url'
  10 import { broadcastToActors, broadcastToFollowers, unicastTo } from './utils'
  11 import {
  12   audiencify,
  13   getActorsInvolvedInVideo,
  14   getAudience,
  15   getObjectFollowersAudience,
  16   getVideoAudience,
  17   getVideoCommentAudience
  18 } from '../audience'
  19
  20 async function sendCreateVideo (video: VideoModel, t: Transaction) {
  21   if (video.privacy === VideoPrivacy.PRIVATE) return undefined
  22
  23   const byActor = video.VideoChannel.Account.Actor
  24   const videoObject = video.toActivityPubObject()
  25
  26   const audience = await getAudience(byActor, t, video.privacy === VideoPrivacy.PUBLIC)
  27   const data = await createActivityData(video.url, byActor, videoObject, t, audience)
  28
  29   return broadcastToFollowers(data, byActor, [ byActor ], t)
  30 }
  31
  32 async function sendVideoAbuse (byActor: ActorModel, videoAbuse: VideoAbuseModel, video: VideoModel, t: Transaction) {
  33   const url = getVideoAbuseActivityPubUrl(videoAbuse)
  34
  35   const audience = { to: [ video.VideoChannel.Account.Actor.url ], cc: [] }
  36   const data = await createActivityData(url, byActor, videoAbuse.toActivityPubObject(), t, audience)
  37
  38   return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  39 }
  40
  41 async function sendCreateVideoComment (comment: VideoCommentModel, t: Transaction) {
  42   const isOrigin = comment.Video.isOwned()
  43
  44   const byActor = comment.Account.Actor
  45   const threadParentComments = await VideoCommentModel.listThreadParentComments(comment, t)
  46   const commentObject = comment.toActivityPubObject(threadParentComments)
  47
  48   const actorsInvolvedInComment = await getActorsInvolvedInVideo(comment.Video, t)
  49   actorsInvolvedInComment.push(byActor)
  50
  51   const parentsCommentActors = threadParentComments.map(c => c.Account.Actor)
  52
  53   let audience: ActivityAudience
  54   if (isOrigin) {
  55     audience = getVideoCommentAudience(comment, threadParentComments, actorsInvolvedInComment, isOrigin)
  56   } else {
  57     audience = getObjectFollowersAudience(actorsInvolvedInComment.concat(parentsCommentActors))
  58   }
  59
  60   const data = await createActivityData(comment.url, byActor, commentObject, t, audience)
  61
  62   // This was a reply, send it to the parent actors
  63   const actorsException = [ byActor ]
  64   await broadcastToActors(data, byActor, parentsCommentActors, actorsException)
  65
  66   // Broadcast to our followers
  67   await broadcastToFollowers(data, byActor, [ byActor ], t)
  68
  69   // Send to actors involved in the comment
  70   if (isOrigin) return broadcastToFollowers(data, byActor, actorsInvolvedInComment, t, actorsException)
  71
  72   // Send to origin
  73   return unicastTo(data, byActor, comment.Video.VideoChannel.Account.Actor.sharedInboxUrl)
  74 }
  75
  76 async function sendCreateView (byActor: ActorModel, video: VideoModel, t: Transaction) {
  77   const url = getVideoViewActivityPubUrl(byActor, video)
  78   const viewActivityData = createViewActivityData(byActor, video)
  79
  80   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  81
  82   // Send to origin
  83   if (video.isOwned() === false) {
  84     const audience = getVideoAudience(video, actorsInvolvedInVideo)
  85     const data = await createActivityData(url, byActor, viewActivityData, t, audience)
  86
  87     return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  88   }
  89
  90   // Send to followers
  91   const audience = getObjectFollowersAudience(actorsInvolvedInVideo)
  92   const data = await createActivityData(url, byActor, viewActivityData, t, audience)
  93
  94   // Use the server actor to send the view
  95   const serverActor = await getServerActor()
  96   const actorsException = [ byActor ]
  97   return broadcastToFollowers(data, serverActor, actorsInvolvedInVideo, t, actorsException)
  98 }
  99
 100 async function sendCreateDislike (byActor: ActorModel, video: VideoModel, t: Transaction) {
 101   const url = getVideoDislikeActivityPubUrl(byActor, video)
 102   const dislikeActivityData = createDislikeActivityData(byActor, video)
 103
 104   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
 105
 106   // Send to origin
 107   if (video.isOwned() === false) {
 108     const audience = getVideoAudience(video, actorsInvolvedInVideo)
 109     const data = await createActivityData(url, byActor, dislikeActivityData, t, audience)
 110
 111     return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
 112   }
 113
 114   // Send to followers
 115   const audience = getObjectFollowersAudience(actorsInvolvedInVideo)
 116   const data = await createActivityData(url, byActor, dislikeActivityData, t, audience)
 117
 118   const actorsException = [ byActor ]
 119   return broadcastToFollowers(data, byActor, actorsInvolvedInVideo, t, actorsException)
 120 }
 121
 122 async function createActivityData (url: string,
 123                                    byActor: ActorModel,
 124                                    object: any,
 125                                    t: Transaction,
 126                                    audience?: ActivityAudience): Promise<ActivityCreate> {
 127   if (!audience) {
 128     audience = await getAudience(byActor, t)
 129   }
 130
 131   return audiencify({
 132     type: 'Create' as 'Create',
 133     id: url + '/activity',
 134     actor: byActor.url,
 135     object: audiencify(object, audience)
 136   }, audience)
 137 }
 138
 139 function createDislikeActivityData (byActor: ActorModel, video: VideoModel) {
 140   return {
 141     type: 'Dislike',
 142     actor: byActor.url,
 143     object: video.url
 144   }
 145 }
 146
 147 function createViewActivityData (byActor: ActorModel, video: VideoModel) {
 148   return {
 149     type: 'View',
 150     actor: byActor.url,
 151     object: video.url
 152   }
 153 }
 154
 155 // ---------------------------------------------------------------------------
 156
 157 export {
 158   sendCreateVideo,
 159   sendVideoAbuse,
 160   createActivityData,
 161   sendCreateView,
 162   sendCreateDislike,
 163   createDislikeActivityData,
 164   sendCreateVideoComment
 165 }