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

   1 import { Transaction } from 'sequelize'
   2 import { ActivityAudience, ActivityCreate, ActivityFollow, ActivityLike, ActivityUndo } from '../../../../shared/models/activitypub'
   3 import { ActorModel } from '../../../models/activitypub/actor'
   4 import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
   5 import { VideoModel } from '../../../models/video/video'
   6 import { getActorFollowActivityPubUrl, getUndoActivityPubUrl, getVideoDislikeActivityPubUrl, getVideoLikeActivityPubUrl } from '../url'
   7 import {
   8   audiencify,
   9   broadcastToFollowers,
  10   getActorsInvolvedInVideo,
  11   getAudience,
  12   getObjectFollowersAudience,
  13   getOriginVideoAudience,
  14   unicastTo
  15 } from './misc'
  16 import { createActivityData, createDislikeActivityData } from './send-create'
  17 import { followActivityData } from './send-follow'
  18 import { likeActivityData } from './send-like'
  19
  20 async function sendUndoFollow (actorFollow: ActorFollowModel, t: Transaction) {
  21   const me = actorFollow.ActorFollower
  22   const following = actorFollow.ActorFollowing
  23
  24   const followUrl = getActorFollowActivityPubUrl(actorFollow)
  25   const undoUrl = getUndoActivityPubUrl(followUrl)
  26
  27   const object = followActivityData(followUrl, me, following)
  28   const data = await undoActivityData(undoUrl, me, object, t)
  29
  30   return unicastTo(data, me, following.inboxUrl)
  31 }
  32
  33 async function sendUndoLikeToOrigin (byActor: ActorModel, video: VideoModel, t: Transaction) {
  34   const likeUrl = getVideoLikeActivityPubUrl(byActor, video)
  35   const undoUrl = getUndoActivityPubUrl(likeUrl)
  36
  37   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  38   const audience = getOriginVideoAudience(video, actorsInvolvedInVideo)
  39   const object = await likeActivityData(likeUrl, byActor, video, t)
  40   const data = await undoActivityData(undoUrl, byActor, object, t, audience)
  41
  42   return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  43 }
  44
  45 async function sendUndoLikeToVideoFollowers (byActor: ActorModel, video: VideoModel, t: Transaction) {
  46   const likeUrl = getVideoLikeActivityPubUrl(byActor, video)
  47   const undoUrl = getUndoActivityPubUrl(likeUrl)
  48
  49   const toActorsFollowers = await getActorsInvolvedInVideo(video, t)
  50   const audience = getObjectFollowersAudience(toActorsFollowers)
  51   const object = await likeActivityData(likeUrl, byActor, video, t)
  52   const data = await undoActivityData(undoUrl, byActor, object, t, audience)
  53
  54   const followersException = [ byActor ]
  55   return broadcastToFollowers(data, byActor, toActorsFollowers, t, followersException)
  56 }
  57
  58 async function sendUndoDislikeToOrigin (byActor: ActorModel, video: VideoModel, t: Transaction) {
  59   const dislikeUrl = getVideoDislikeActivityPubUrl(byActor, video)
  60   const undoUrl = getUndoActivityPubUrl(dislikeUrl)
  61
  62   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  63   const audience = getOriginVideoAudience(video, actorsInvolvedInVideo)
  64   const dislikeActivity = createDislikeActivityData(byActor, video)
  65   const object = await createActivityData(undoUrl, byActor, dislikeActivity, t)
  66
  67   const data = await undoActivityData(undoUrl, byActor, object, t, audience)
  68
  69   return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  70 }
  71
  72 async function sendUndoDislikeToVideoFollowers (byActor: ActorModel, video: VideoModel, t: Transaction) {
  73   const dislikeUrl = getVideoDislikeActivityPubUrl(byActor, video)
  74   const undoUrl = getUndoActivityPubUrl(dislikeUrl)
  75
  76   const dislikeActivity = createDislikeActivityData(byActor, video)
  77   const object = await createActivityData(undoUrl, byActor, dislikeActivity, t)
  78
  79   const data = await undoActivityData(undoUrl, byActor, object, t)
  80
  81   const toActorsFollowers = await getActorsInvolvedInVideo(video, t)
  82
  83   const followersException = [ byActor ]
  84   return broadcastToFollowers(data, byActor, toActorsFollowers, t, followersException)
  85 }
  86
  87 // ---------------------------------------------------------------------------
  88
  89 export {
  90   sendUndoFollow,
  91   sendUndoLikeToOrigin,
  92   sendUndoLikeToVideoFollowers,
  93   sendUndoDislikeToOrigin,
  94   sendUndoDislikeToVideoFollowers
  95 }
  96
  97 // ---------------------------------------------------------------------------
  98
  99 async function undoActivityData (
 100   url: string,
 101   byActor: ActorModel,
 102   object: ActivityFollow | ActivityLike | ActivityCreate,
 103   t: Transaction,
 104   audience?: ActivityAudience
 105 ): Promise<ActivityUndo> {
 106   if (!audience) {
 107     audience = await getAudience(byActor, t)
 108   }
 109
 110   return audiencify({
 111     type: 'Undo' as 'Undo',
 112     id: url,
 113     actor: byActor.url,
 114     object
 115   }, audience)
 116 }