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

   1 import { Transaction } from 'sequelize'
   2 import { getServerActor } from '@server/models/application/application'
   3 import { ActivityAudience, ActivityDelete } from '../../../../shared/models/activitypub'
   4 import { logger } from '../../../helpers/logger'
   5 import { ActorModel } from '../../../models/actor/actor'
   6 import { VideoCommentModel } from '../../../models/video/video-comment'
   7 import { VideoShareModel } from '../../../models/video/video-share'
   8 import { MActorUrl } from '../../../types/models'
   9 import { MCommentOwnerVideo, MVideoAccountLight, MVideoPlaylistFullSummary } from '../../../types/models/video'
  10 import { audiencify, getActorsInvolvedInVideo, getVideoCommentAudience } from '../audience'
  11 import { getDeleteActivityPubUrl } from '../url'
  12 import { broadcastToActors, broadcastToFollowers, sendVideoRelatedActivity, unicastTo } from './utils'
  13
  14 async function sendDeleteVideo (video: MVideoAccountLight, transaction: Transaction) {
  15   logger.info('Creating job to broadcast delete of video %s.', video.url)
  16
  17   const byActor = video.VideoChannel.Account.Actor
  18
  19   const activityBuilder = (audience: ActivityAudience) => {
  20     const url = getDeleteActivityPubUrl(video.url)
  21
  22     return buildDeleteActivity(url, video.url, byActor, audience)
  23   }
  24
  25   return sendVideoRelatedActivity(activityBuilder, { byActor, video, transaction })
  26 }
  27
  28 async function sendDeleteActor (byActor: ActorModel, t: Transaction) {
  29   logger.info('Creating job to broadcast delete of actor %s.', byActor.url)
  30
  31   const url = getDeleteActivityPubUrl(byActor.url)
  32   const activity = buildDeleteActivity(url, byActor.url, byActor)
  33
  34   const actorsInvolved = await VideoShareModel.loadActorsWhoSharedVideosOf(byActor.id, t)
  35
  36   // In case the actor did not have any videos
  37   const serverActor = await getServerActor()
  38   actorsInvolved.push(serverActor)
  39
  40   actorsInvolved.push(byActor)
  41
  42   return broadcastToFollowers(activity, byActor, actorsInvolved, t)
  43 }
  44
  45 async function sendDeleteVideoComment (videoComment: MCommentOwnerVideo, t: Transaction) {
  46   logger.info('Creating job to send delete of comment %s.', videoComment.url)
  47
  48   const isVideoOrigin = videoComment.Video.isOwned()
  49
  50   const url = getDeleteActivityPubUrl(videoComment.url)
  51   const byActor = videoComment.isOwned()
  52     ? videoComment.Account.Actor
  53     : videoComment.Video.VideoChannel.Account.Actor
  54
  55   const threadParentComments = await VideoCommentModel.listThreadParentComments(videoComment, t)
  56   const threadParentCommentsFiltered = threadParentComments.filter(c => !c.isDeleted())
  57
  58   const actorsInvolvedInComment = await getActorsInvolvedInVideo(videoComment.Video, t)
  59   actorsInvolvedInComment.push(byActor) // Add the actor that commented the video
  60
  61   const audience = getVideoCommentAudience(videoComment, threadParentCommentsFiltered, actorsInvolvedInComment, isVideoOrigin)
  62   const activity = buildDeleteActivity(url, videoComment.url, byActor, audience)
  63
  64   // This was a reply, send it to the parent actors
  65   const actorsException = [ byActor ]
  66   await broadcastToActors(activity, byActor, threadParentCommentsFiltered.map(c => c.Account.Actor), t, actorsException)
  67
  68   // Broadcast to our followers
  69   await broadcastToFollowers(activity, byActor, [ byActor ], t)
  70
  71   // Send to actors involved in the comment
  72   if (isVideoOrigin) return broadcastToFollowers(activity, byActor, actorsInvolvedInComment, t, actorsException)
  73
  74   // Send to origin
  75   t.afterCommit(() => unicastTo(activity, byActor, videoComment.Video.VideoChannel.Account.Actor.getSharedInbox()))
  76 }
  77
  78 async function sendDeleteVideoPlaylist (videoPlaylist: MVideoPlaylistFullSummary, t: Transaction) {
  79   logger.info('Creating job to send delete of playlist %s.', videoPlaylist.url)
  80
  81   const byActor = videoPlaylist.OwnerAccount.Actor
  82
  83   const url = getDeleteActivityPubUrl(videoPlaylist.url)
  84   const activity = buildDeleteActivity(url, videoPlaylist.url, byActor)
  85
  86   const serverActor = await getServerActor()
  87   const toFollowersOf = [ byActor, serverActor ]
  88
  89   if (videoPlaylist.VideoChannel) toFollowersOf.push(videoPlaylist.VideoChannel.Actor)
  90
  91   return broadcastToFollowers(activity, byActor, toFollowersOf, t)
  92 }
  93
  94 // ---------------------------------------------------------------------------
  95
  96 export {
  97   sendDeleteVideo,
  98   sendDeleteActor,
  99   sendDeleteVideoComment,
 100   sendDeleteVideoPlaylist
 101 }
 102
 103 // ---------------------------------------------------------------------------
 104
 105 function buildDeleteActivity (url: string, object: string, byActor: MActorUrl, audience?: ActivityAudience): ActivityDelete {
 106   const activity = {
 107     type: 'Delete' as 'Delete',
 108     id: url,
 109     actor: byActor.url,
 110     object
 111   }
 112
 113   if (audience) return audiencify(activity, audience)
 114
 115   return activity
 116 }