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 {
  11   audiencify,
  12   broadcastToActors,
  13   broadcastToFollowers,
  14   getActorsInvolvedInVideo,
  15   getAudience,
  16   getObjectFollowersAudience,
  17   getOriginVideoAudience,
  18   getVideoCommentAudience,
  19   unicastTo
  20 } from './misc'
  21
  22 async function sendCreateVideo (video: VideoModel, t: Transaction) {
  23   if (video.privacy === VideoPrivacy.PRIVATE) return undefined
  24
  25   const byActor = video.VideoChannel.Account.Actor
  26   const videoObject = video.toActivityPubObject()
  27
  28   const audience = await getAudience(byActor, t, video.privacy === VideoPrivacy.PUBLIC)
  29   const data = await createActivityData(video.url, byActor, videoObject, t, audience)
  30
  31   return broadcastToFollowers(data, byActor, [ byActor ], t)
  32 }
  33
  34 async function sendVideoAbuse (byActor: ActorModel, videoAbuse: VideoAbuseModel, video: VideoModel, t: Transaction) {
  35   const url = getVideoAbuseActivityPubUrl(videoAbuse)
  36
  37   const audience = { to: [ video.VideoChannel.Account.Actor.url ], cc: [] }
  38   const data = await createActivityData(url, byActor, videoAbuse.toActivityPubObject(), t, audience)
  39
  40   return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  41 }
  42
  43 async function sendCreateVideoComment (comment: VideoCommentModel, t: Transaction) {
  44   const isOrigin = comment.Video.isOwned()
  45
  46   const byActor = comment.Account.Actor
  47   const threadParentComments = await VideoCommentModel.listThreadParentComments(comment, t)
  48   const commentObject = comment.toActivityPubObject(threadParentComments)
  49
  50   const actorsInvolvedInComment = await getActorsInvolvedInVideo(comment.Video, t)
  51   actorsInvolvedInComment.push(byActor)
  52
  53   const parentsCommentActors = threadParentComments.map(c => c.Account.Actor)
  54
  55   let audience: ActivityAudience
  56   if (isOrigin) {
  57     audience = getVideoCommentAudience(comment, threadParentComments, actorsInvolvedInComment, isOrigin)
  58   } else {
  59     audience = getObjectFollowersAudience(actorsInvolvedInComment.concat(parentsCommentActors))
  60   }
  61
  62   const data = await createActivityData(comment.url, byActor, commentObject, t, audience)
  63
  64   // This was a reply, send it to the parent actors
  65   const actorsException = [ byActor ]
  66   await broadcastToActors(data, byActor, parentsCommentActors, actorsException)
  67
  68   // Broadcast to our followers
  69   await broadcastToFollowers(data, byActor, [ byActor ], t)
  70
  71   // Send to actors involved in the comment
  72   if (isOrigin) return broadcastToFollowers(data, byActor, actorsInvolvedInComment, t, actorsException)
  73
  74   // Send to origin
  75   return unicastTo(data, byActor, comment.Video.VideoChannel.Account.Actor.sharedInboxUrl)
  76 }
  77
  78 async function sendCreateView (byActor: ActorModel, video: VideoModel, t: Transaction) {
  79   const url = getVideoViewActivityPubUrl(byActor, video)
  80   const viewActivityData = createViewActivityData(byActor, video)
  81
  82   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  83
  84   // Send to origin
  85   if (video.isOwned() === false) {
  86     const audience = getOriginVideoAudience(video, actorsInvolvedInVideo)
  87     const data = await createActivityData(url, byActor, viewActivityData, t, audience)
  88
  89     return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  90   }
  91
  92   // Send to followers
  93   const audience = getObjectFollowersAudience(actorsInvolvedInVideo)
  94   const data = await createActivityData(url, byActor, viewActivityData, t, audience)
  95
  96   // Use the server actor to send the view
  97   const serverActor = await getServerActor()
  98   const actorsException = [ byActor ]
  99   return broadcastToFollowers(data, serverActor, actorsInvolvedInVideo, t, actorsException)
 100 }
 101
 102 async function sendCreateDislike (byActor: ActorModel, video: VideoModel, t: Transaction) {
 103   const url = getVideoDislikeActivityPubUrl(byActor, video)
 104   const dislikeActivityData = createDislikeActivityData(byActor, video)
 105
 106   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
 107
 108   // Send to origin
 109   if (video.isOwned() === false) {
 110     const audience = getOriginVideoAudience(video, actorsInvolvedInVideo)
 111     const data = await createActivityData(url, byActor, dislikeActivityData, t, audience)
 112
 113     return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
 114   }
 115
 116   // Send to followers
 117   const audience = getObjectFollowersAudience(actorsInvolvedInVideo)
 118   const data = await createActivityData(url, byActor, dislikeActivityData, t, audience)
 119
 120   const actorsException = [ byActor ]
 121   return broadcastToFollowers(data, byActor, actorsInvolvedInVideo, t, actorsException)
 122 }
 123
 124 async function createActivityData (url: string,
 125                                    byActor: ActorModel,
 126                                    object: any,
 127                                    t: Transaction,
 128                                    audience?: ActivityAudience): Promise<ActivityCreate> {
 129   if (!audience) {
 130     audience = await getAudience(byActor, t)
 131   }
 132
 133   return audiencify({
 134     type: 'Create' as 'Create',
 135     id: url + '/activity',
 136     actor: byActor.url,
 137     object: audiencify(object, audience)
 138   }, audience)
 139 }
 140
 141 function createDislikeActivityData (byActor: ActorModel, video: VideoModel) {
 142   return {
 143     type: 'Dislike',
 144     actor: byActor.url,
 145     object: video.url
 146   }
 147 }
 148
 149 function createViewActivityData (byActor: ActorModel, video: VideoModel) {
 150   return {
 151     type: 'View',
 152     actor: byActor.url,
 153     object: video.url
 154   }
 155 }
 156
 157 // ---------------------------------------------------------------------------
 158
 159 export {
 160   sendCreateVideo,
 161   sendVideoAbuse,
 162   createActivityData,
 163   sendCreateView,
 164   sendCreateDislike,
 165   createDislikeActivityData,
 166   sendCreateVideoComment
 167 }