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 { logger } from '../../../helpers/logger'
  12 import { VideoModel } from '../../../models/video/video'
  13 import {
  14   MActor,
  15   MActorAudience,
  16   MActorFollowActors,
  17   MActorLight,
  18   MVideo,
  19   MVideoAccountLight,
  20   MVideoRedundancyVideo,
  21   MVideoShare
  22 } from '../../../types/models'
  23 import { audiencify, getAudience } from '../audience'
  24 import { getUndoActivityPubUrl, getVideoDislikeActivityPubUrlByLocalActor, getVideoLikeActivityPubUrlByLocalActor } from '../url'
  25 import { buildAnnounceWithVideoAudience } from './send-announce'
  26 import { buildCreateActivity } from './send-create'
  27 import { buildDislikeActivity } from './send-dislike'
  28 import { buildFollowActivity } from './send-follow'
  29 import { buildLikeActivity } from './send-like'
  30 import { broadcastToFollowers, sendVideoRelatedActivity, unicastTo } from './utils'
  31
  32 function sendUndoFollow (actorFollow: MActorFollowActors, t: Transaction) {
  33   const me = actorFollow.ActorFollower
  34   const following = actorFollow.ActorFollowing
  35
  36   // Same server as ours
  37   if (!following.serverId) return
  38
  39   logger.info('Creating job to send an unfollow request to %s.', following.url)
  40
  41   const undoUrl = getUndoActivityPubUrl(actorFollow.url)
  42
  43   const followActivity = buildFollowActivity(actorFollow.url, 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 = getVideoLikeActivityPubUrlByLocalActor(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 = getVideoDislikeActivityPubUrlByLocalActor(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 associatedVideo = redundancyModel.getVideo()
  83   if (!associatedVideo) {
  84     logger.warn('Cannot send undo activity for redundancy %s: no video files associated.', redundancyModel.url)
  85     return
  86   }
  87
  88   const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(associatedVideo.id)
  89   const createActivity = buildCreateActivity(redundancyModel.url, byActor, redundancyModel.toActivityPubObject())
  90
  91   return sendUndoVideoRelatedActivity({ byActor, video, url: redundancyModel.url, activity: createActivity, transaction: t })
  92 }
  93
  94 // ---------------------------------------------------------------------------
  95
  96 export {
  97   sendUndoFollow,
  98   sendUndoLike,
  99   sendUndoDislike,
 100   sendUndoAnnounce,
 101   sendUndoCacheFile
 102 }
 103
 104 // ---------------------------------------------------------------------------
 105
 106 function undoActivityData (
 107   url: string,
 108   byActor: MActorAudience,
 109   object: ActivityFollow | ActivityLike | ActivityDislike | ActivityCreate | ActivityAnnounce,
 110   audience?: ActivityAudience
 111 ): ActivityUndo {
 112   if (!audience) audience = getAudience(byActor)
 113
 114   return audiencify(
 115     {
 116       type: 'Undo' as 'Undo',
 117       id: url,
 118       actor: byActor.url,
 119       object
 120     },
 121     audience
 122   )
 123 }
 124
 125 async function sendUndoVideoRelatedActivity (options: {
 126   byActor: MActor
 127   video: MVideoAccountLight
 128   url: string
 129   activity: ActivityFollow | ActivityLike | ActivityDislike | ActivityCreate | ActivityAnnounce
 130   transaction: Transaction
 131 }) {
 132   const activityBuilder = (audience: ActivityAudience) => {
 133     const undoUrl = getUndoActivityPubUrl(options.url)
 134
 135     return undoActivityData(undoUrl, options.byActor, options.activity, audience)
 136   }
 137
 138   return sendVideoRelatedActivity(activityBuilder, options)
 139 }