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