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

   1 import { Transaction } from 'sequelize'
   2 import {
   3   ActivityAnnounce,
   4   ActivityAudience,
   5   ActivityCreate,
   6   ActivityDislike,
   7   ActivityFollow,
   8   ActivityLike,
   9   ActivityUndo
  10 } from '../../../../shared/models/activitypub'
  11 import { VideoModel } from '../../../models/video/video'
  12 import { getActorFollowActivityPubUrl, getUndoActivityPubUrl, getVideoDislikeActivityPubUrl, getVideoLikeActivityPubUrl } from '../url'
  13 import { broadcastToFollowers, sendVideoRelatedActivity, unicastTo } from './utils'
  14 import { audiencify, getAudience } from '../audience'
  15 import { buildCreateActivity } from './send-create'
  16 import { buildFollowActivity } from './send-follow'
  17 import { buildLikeActivity } from './send-like'
  18 import { buildAnnounceWithVideoAudience } from './send-announce'
  19 import { logger } from '../../../helpers/logger'
  20 import { buildDislikeActivity } from './send-dislike'
  21 import {
  22   MActor, MActorAudience,
  23   MActorFollowActors,
  24   MActorLight,
  25   MVideo,
  26   MVideoAccountLight,
  27   MVideoRedundancyVideo,
  28   MVideoShare
  29 } from '../../../types/models'
  30
  31 function sendUndoFollow (actorFollow: MActorFollowActors, t: Transaction) {
  32   const me = actorFollow.ActorFollower
  33   const following = actorFollow.ActorFollowing
  34
  35   // Same server as ours
  36   if (!following.serverId) return
  37
  38   logger.info('Creating job to send an unfollow request to %s.', following.url)
  39
  40   const followUrl = getActorFollowActivityPubUrl(me, following)
  41   const undoUrl = getUndoActivityPubUrl(followUrl)
  42
  43   const followActivity = buildFollowActivity(followUrl, me, following)
  44   const undoActivity = undoActivityData(undoUrl, me, followActivity)
  45
  46   t.afterCommit(() => unicastTo(undoActivity, me, following.inboxUrl))
  47 }
  48
  49 async function sendUndoAnnounce (byActor: MActorLight, videoShare: MVideoShare, video: MVideo, t: Transaction) {
  50   logger.info('Creating job to undo announce %s.', videoShare.url)
  51
  52   const undoUrl = getUndoActivityPubUrl(videoShare.url)
  53
  54   const { activity: announceActivity, actorsInvolvedInVideo } = await buildAnnounceWithVideoAudience(byActor, videoShare, video, t)
  55   const undoActivity = undoActivityData(undoUrl, byActor, announceActivity)
  56
  57   const followersException = [ byActor ]
  58   return broadcastToFollowers(undoActivity, byActor, actorsInvolvedInVideo, t, followersException)
  59 }
  60
  61 async function sendUndoLike (byActor: MActor, video: MVideoAccountLight, t: Transaction) {
  62   logger.info('Creating job to undo a like of video %s.', video.url)
  63
  64   const likeUrl = getVideoLikeActivityPubUrl(byActor, video)
  65   const likeActivity = buildLikeActivity(likeUrl, byActor, video)
  66
  67   return sendUndoVideoRelatedActivity({ byActor, video, url: likeUrl, activity: likeActivity, transaction: t })
  68 }
  69
  70 async function sendUndoDislike (byActor: MActor, video: MVideoAccountLight, t: Transaction) {
  71   logger.info('Creating job to undo a dislike of video %s.', video.url)
  72
  73   const dislikeUrl = getVideoDislikeActivityPubUrl(byActor, video)
  74   const dislikeActivity = buildDislikeActivity(dislikeUrl, byActor, video)
  75
  76   return sendUndoVideoRelatedActivity({ byActor, video, url: dislikeUrl, activity: dislikeActivity, transaction: t })
  77 }
  78
  79 async function sendUndoCacheFile (byActor: MActor, redundancyModel: MVideoRedundancyVideo, t: Transaction) {
  80   logger.info('Creating job to undo cache file %s.', redundancyModel.url)
  81
  82   const videoId = redundancyModel.getVideo().id
  83   const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(videoId)
  84   const createActivity = buildCreateActivity(redundancyModel.url, byActor, redundancyModel.toActivityPubObject())
  85
  86   return sendUndoVideoRelatedActivity({ byActor, video, url: redundancyModel.url, activity: createActivity, transaction: t })
  87 }
  88
  89 // ---------------------------------------------------------------------------
  90
  91 export {
  92   sendUndoFollow,
  93   sendUndoLike,
  94   sendUndoDislike,
  95   sendUndoAnnounce,
  96   sendUndoCacheFile
  97 }
  98
  99 // ---------------------------------------------------------------------------
 100
 101 function undoActivityData (
 102   url: string,
 103   byActor: MActorAudience,
 104   object: ActivityFollow | ActivityLike | ActivityDislike | ActivityCreate | ActivityAnnounce,
 105   audience?: ActivityAudience
 106 ): ActivityUndo {
 107   if (!audience) audience = getAudience(byActor)
 108
 109   return audiencify(
 110     {
 111       type: 'Undo' as 'Undo',
 112       id: url,
 113       actor: byActor.url,
 114       object
 115     },
 116     audience
 117   )
 118 }
 119
 120 async function sendUndoVideoRelatedActivity (options: {
 121   byActor: MActor
 122   video: MVideoAccountLight
 123   url: string
 124   activity: ActivityFollow | ActivityLike | ActivityDislike | ActivityCreate | ActivityAnnounce
 125   transaction: Transaction
 126 }) {
 127   const activityBuilder = (audience: ActivityAudience) => {
 128     const undoUrl = getUndoActivityPubUrl(options.url)
 129
 130     return undoActivityData(undoUrl, options.byActor, options.activity, audience)
 131   }
 132
 133   return sendVideoRelatedActivity(activityBuilder, options)
 134 }