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

   1 import { Transaction } from 'sequelize'
   2 import {
   3   ActivityAnnounce,
   4   ActivityAudience,
   5   ActivityCreate,
   6   ActivityFollow,
   7   ActivityLike,
   8   ActivityUndo
   9 } from '../../../../shared/models/activitypub'
  10 import { ActorModel } from '../../../models/activitypub/actor'
  11 import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
  12 import { VideoModel } from '../../../models/video/video'
  13 import { getActorFollowActivityPubUrl, getUndoActivityPubUrl, getVideoDislikeActivityPubUrl, getVideoLikeActivityPubUrl } from '../url'
  14 import { broadcastToFollowers, unicastTo } from './utils'
  15 import { audiencify, getActorsInvolvedInVideo, getAudience, getObjectFollowersAudience, getVideoAudience } from '../audience'
  16 import { createActivityData, createDislikeActivityData } from './send-create'
  17 import { followActivityData } from './send-follow'
  18 import { likeActivityData } from './send-like'
  19 import { VideoShareModel } from '../../../models/video/video-share'
  20 import { buildVideoAnnounce } from './send-announce'
  21
  22 async function sendUndoFollow (actorFollow: ActorFollowModel, t: Transaction) {
  23   const me = actorFollow.ActorFollower
  24   const following = actorFollow.ActorFollowing
  25
  26   const followUrl = getActorFollowActivityPubUrl(actorFollow)
  27   const undoUrl = getUndoActivityPubUrl(followUrl)
  28
  29   const object = followActivityData(followUrl, me, following)
  30   const data = await undoActivityData(undoUrl, me, object, t)
  31
  32   return unicastTo(data, me, following.inboxUrl)
  33 }
  34
  35 async function sendUndoLike (byActor: ActorModel, video: VideoModel, t: Transaction) {
  36   const likeUrl = getVideoLikeActivityPubUrl(byActor, video)
  37   const undoUrl = getUndoActivityPubUrl(likeUrl)
  38
  39   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  40   const object = await likeActivityData(likeUrl, byActor, video, t)
  41
  42   // Send to origin
  43   if (video.isOwned() === false) {
  44     const audience = getVideoAudience(video, actorsInvolvedInVideo)
  45     const data = await undoActivityData(undoUrl, byActor, object, t, audience)
  46
  47     return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  48   }
  49
  50   const audience = getObjectFollowersAudience(actorsInvolvedInVideo)
  51   const data = await undoActivityData(undoUrl, byActor, object, t, audience)
  52
  53   const followersException = [ byActor ]
  54   return broadcastToFollowers(data, byActor, actorsInvolvedInVideo, t, followersException)
  55 }
  56
  57 async function sendUndoDislike (byActor: ActorModel, video: VideoModel, t: Transaction) {
  58   const dislikeUrl = getVideoDislikeActivityPubUrl(byActor, video)
  59   const undoUrl = getUndoActivityPubUrl(dislikeUrl)
  60
  61   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  62   const dislikeActivity = createDislikeActivityData(byActor, video)
  63   const object = await createActivityData(dislikeUrl, byActor, dislikeActivity, t)
  64
  65   if (video.isOwned() === false) {
  66     const audience = getVideoAudience(video, actorsInvolvedInVideo)
  67     const data = await undoActivityData(undoUrl, byActor, object, t, audience)
  68
  69     return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  70   }
  71
  72   const data = await undoActivityData(undoUrl, byActor, object, t)
  73
  74   const followersException = [ byActor ]
  75   return broadcastToFollowers(data, byActor, actorsInvolvedInVideo, t, followersException)
  76 }
  77
  78 async function sendUndoAnnounce (byActor: ActorModel, videoShare: VideoShareModel, video: VideoModel, t: Transaction) {
  79   const undoUrl = getUndoActivityPubUrl(videoShare.url)
  80
  81   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  82   const object = await buildVideoAnnounce(byActor, videoShare, video, t)
  83   const data = await undoActivityData(undoUrl, byActor, object, t)
  84
  85   const followersException = [ byActor ]
  86   return broadcastToFollowers(data, byActor, actorsInvolvedInVideo, t, followersException)
  87 }
  88
  89 // ---------------------------------------------------------------------------
  90
  91 export {
  92   sendUndoFollow,
  93   sendUndoLike,
  94   sendUndoDislike,
  95   sendUndoAnnounce
  96 }
  97
  98 // ---------------------------------------------------------------------------
  99
 100 async function undoActivityData (
 101   url: string,
 102   byActor: ActorModel,
 103   object: ActivityFollow | ActivityLike | ActivityCreate | ActivityAnnounce,
 104   t: Transaction,
 105   audience?: ActivityAudience
 106 ): Promise<ActivityUndo> {
 107   if (!audience) {
 108     audience = await getAudience(byActor, t)
 109   }
 110
 111   return audiencify({
 112     type: 'Undo' as 'Undo',
 113     id: url,
 114     actor: byActor.url,
 115     object
 116   }, audience)
 117 }