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 import { logger } from '../../../helpers/logger'
  22
  23 async function sendUndoFollow (actorFollow: ActorFollowModel, t: Transaction) {
  24   const me = actorFollow.ActorFollower
  25   const following = actorFollow.ActorFollowing
  26
  27   // Same server as ours
  28   if (!following.serverId) return
  29
  30   logger.info('Creating job to send an unfollow request to %s.', following.url)
  31
  32   const followUrl = getActorFollowActivityPubUrl(actorFollow)
  33   const undoUrl = getUndoActivityPubUrl(followUrl)
  34
  35   const object = followActivityData(followUrl, me, following)
  36   const data = undoActivityData(undoUrl, me, object)
  37
  38   return unicastTo(data, me, following.inboxUrl)
  39 }
  40
  41 async function sendUndoLike (byActor: ActorModel, video: VideoModel, t: Transaction) {
  42   logger.info('Creating job to undo a like of video %s.', video.url)
  43
  44   const likeUrl = getVideoLikeActivityPubUrl(byActor, video)
  45   const undoUrl = getUndoActivityPubUrl(likeUrl)
  46
  47   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  48   const object = likeActivityData(likeUrl, byActor, video)
  49
  50   // Send to origin
  51   if (video.isOwned() === false) {
  52     const audience = getVideoAudience(video, actorsInvolvedInVideo)
  53     const data = undoActivityData(undoUrl, byActor, object, audience)
  54
  55     return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  56   }
  57
  58   const audience = getObjectFollowersAudience(actorsInvolvedInVideo)
  59   const data = undoActivityData(undoUrl, byActor, object, audience)
  60
  61   const followersException = [ byActor ]
  62   return broadcastToFollowers(data, byActor, actorsInvolvedInVideo, t, followersException)
  63 }
  64
  65 async function sendUndoDislike (byActor: ActorModel, video: VideoModel, t: Transaction) {
  66   logger.info('Creating job to undo a dislike of video %s.', video.url)
  67
  68   const dislikeUrl = getVideoDislikeActivityPubUrl(byActor, video)
  69   const undoUrl = getUndoActivityPubUrl(dislikeUrl)
  70
  71   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  72   const dislikeActivity = createDislikeActivityData(byActor, video)
  73   const object = createActivityData(dislikeUrl, byActor, dislikeActivity)
  74
  75   if (video.isOwned() === false) {
  76     const audience = getVideoAudience(video, actorsInvolvedInVideo)
  77     const data = undoActivityData(undoUrl, byActor, object, audience)
  78
  79     return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  80   }
  81
  82   const data = undoActivityData(undoUrl, byActor, object)
  83
  84   const followersException = [ byActor ]
  85   return broadcastToFollowers(data, byActor, actorsInvolvedInVideo, t, followersException)
  86 }
  87
  88 async function sendUndoAnnounce (byActor: ActorModel, videoShare: VideoShareModel, video: VideoModel, t: Transaction) {
  89   logger.info('Creating job to undo announce %s.', videoShare.url)
  90
  91   const undoUrl = getUndoActivityPubUrl(videoShare.url)
  92
  93   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  94   const object = await buildVideoAnnounce(byActor, videoShare, video, t)
  95   const data = undoActivityData(undoUrl, byActor, object)
  96
  97   const followersException = [ byActor ]
  98   return broadcastToFollowers(data, byActor, actorsInvolvedInVideo, t, followersException)
  99 }
 100
 101 // ---------------------------------------------------------------------------
 102
 103 export {
 104   sendUndoFollow,
 105   sendUndoLike,
 106   sendUndoDislike,
 107   sendUndoAnnounce
 108 }
 109
 110 // ---------------------------------------------------------------------------
 111
 112 function undoActivityData (
 113   url: string,
 114   byActor: ActorModel,
 115   object: ActivityFollow | ActivityLike | ActivityCreate | ActivityAnnounce,
 116   audience?: ActivityAudience
 117 ): ActivityUndo {
 118   if (!audience) audience = getAudience(byActor)
 119
 120   return audiencify(
 121     {
 122       type: 'Undo' as 'Undo',
 123       id: url,
 124       actor: byActor.url,
 125       object
 126     },
 127     audience
 128   )
 129 }