server/lib/activitypub/process/process-delete.ts

   1 import { ActivityDelete } from '../../../../shared/models/activitypub'
   2 import { retryTransactionWrapper } from '../../../helpers/database-utils'
   3 import { logger } from '../../../helpers/logger'
   4 import { sequelizeTypescript } from '../../../initializers/database'
   5 import { ActorModel } from '../../../models/actor/actor'
   6 import { VideoModel } from '../../../models/video/video'
   7 import { VideoCommentModel } from '../../../models/video/video-comment'
   8 import { VideoPlaylistModel } from '../../../models/video/video-playlist'
   9 import { APProcessorOptions } from '../../../types/activitypub-processor.model'
  10 import {
  11   MAccountActor,
  12   MActor,
  13   MActorFull,
  14   MActorSignature,
  15   MChannelAccountActor,
  16   MChannelActor,
  17   MCommentOwnerVideo
  18 } from '../../../types/models'
  19 import { markCommentAsDeleted } from '../../video-comment'
  20 import { forwardVideoRelatedActivity } from '../send/utils'
  21
  22 async function processDeleteActivity (options: APProcessorOptions<ActivityDelete>) {
  23   const { activity, byActor } = options
  24
  25   const objectUrl = typeof activity.object === 'string' ? activity.object : activity.object.id
  26
  27   if (activity.actor === objectUrl) {
  28     // We need more attributes (all the account and channel)
  29     const byActorFull = await ActorModel.loadByUrlAndPopulateAccountAndChannel(byActor.url)
  30
  31     if (byActorFull.type === 'Person') {
  32       if (!byActorFull.Account) throw new Error('Actor ' + byActorFull.url + ' is a person but we cannot find it in database.')
  33
  34       const accountToDelete = byActorFull.Account as MAccountActor
  35       accountToDelete.Actor = byActorFull
  36
  37       return retryTransactionWrapper(processDeleteAccount, accountToDelete)
  38     } else if (byActorFull.type === 'Group') {
  39       if (!byActorFull.VideoChannel) throw new Error('Actor ' + byActorFull.url + ' is a group but we cannot find it in database.')
  40
  41       const channelToDelete = byActorFull.VideoChannel as MChannelAccountActor & { Actor: MActorFull }
  42       channelToDelete.Actor = byActorFull
  43       return retryTransactionWrapper(processDeleteVideoChannel, channelToDelete)
  44     }
  45   }
  46
  47   {
  48     const videoCommentInstance = await VideoCommentModel.loadByUrlAndPopulateAccountAndVideo(objectUrl)
  49     if (videoCommentInstance) {
  50       return retryTransactionWrapper(processDeleteVideoComment, byActor, videoCommentInstance, activity)
  51     }
  52   }
  53
  54   {
  55     const videoInstance = await VideoModel.loadByUrlAndPopulateAccount(objectUrl)
  56     if (videoInstance) {
  57       if (videoInstance.isOwned()) throw new Error(`Remote instance cannot delete owned video ${videoInstance.url}.`)
  58
  59       return retryTransactionWrapper(processDeleteVideo, byActor, videoInstance)
  60     }
  61   }
  62
  63   {
  64     const videoPlaylist = await VideoPlaylistModel.loadByUrlAndPopulateAccount(objectUrl)
  65     if (videoPlaylist) {
  66       if (videoPlaylist.isOwned()) throw new Error(`Remote instance cannot delete owned playlist ${videoPlaylist.url}.`)
  67
  68       return retryTransactionWrapper(processDeleteVideoPlaylist, byActor, videoPlaylist)
  69     }
  70   }
  71
  72   return undefined
  73 }
  74
  75 // ---------------------------------------------------------------------------
  76
  77 export {
  78   processDeleteActivity
  79 }
  80
  81 // ---------------------------------------------------------------------------
  82
  83 async function processDeleteVideo (actor: MActor, videoToDelete: VideoModel) {
  84   logger.debug('Removing remote video "%s".', videoToDelete.uuid)
  85
  86   await sequelizeTypescript.transaction(async t => {
  87     if (videoToDelete.VideoChannel.Account.Actor.id !== actor.id) {
  88       throw new Error('Account ' + actor.url + ' does not own video channel ' + videoToDelete.VideoChannel.Actor.url)
  89     }
  90
  91     await videoToDelete.destroy({ transaction: t })
  92   })
  93
  94   logger.info('Remote video with uuid %s removed.', videoToDelete.uuid)
  95 }
  96
  97 async function processDeleteVideoPlaylist (actor: MActor, playlistToDelete: VideoPlaylistModel) {
  98   logger.debug('Removing remote video playlist "%s".', playlistToDelete.uuid)
  99
 100   await sequelizeTypescript.transaction(async t => {
 101     if (playlistToDelete.OwnerAccount.Actor.id !== actor.id) {
 102       throw new Error('Account ' + actor.url + ' does not own video playlist ' + playlistToDelete.url)
 103     }
 104
 105     await playlistToDelete.destroy({ transaction: t })
 106   })
 107
 108   logger.info('Remote video playlist with uuid %s removed.', playlistToDelete.uuid)
 109 }
 110
 111 async function processDeleteAccount (accountToRemove: MAccountActor) {
 112   logger.debug('Removing remote account "%s".', accountToRemove.Actor.url)
 113
 114   await sequelizeTypescript.transaction(async t => {
 115     await accountToRemove.destroy({ transaction: t })
 116   })
 117
 118   logger.info('Remote account %s removed.', accountToRemove.Actor.url)
 119 }
 120
 121 async function processDeleteVideoChannel (videoChannelToRemove: MChannelActor) {
 122   logger.debug('Removing remote video channel "%s".', videoChannelToRemove.Actor.url)
 123
 124   await sequelizeTypescript.transaction(async t => {
 125     await videoChannelToRemove.destroy({ transaction: t })
 126   })
 127
 128   logger.info('Remote video channel %s removed.', videoChannelToRemove.Actor.url)
 129 }
 130
 131 function processDeleteVideoComment (byActor: MActorSignature, videoComment: MCommentOwnerVideo, activity: ActivityDelete) {
 132   // Already deleted
 133   if (videoComment.isDeleted()) return
 134
 135   logger.debug('Removing remote video comment "%s".', videoComment.url)
 136
 137   return sequelizeTypescript.transaction(async t => {
 138     if (byActor.Account.id !== videoComment.Account.id && byActor.Account.id !== videoComment.Video.VideoChannel.accountId) {
 139       throw new Error(`Account ${byActor.url} does not own video comment ${videoComment.url} or video ${videoComment.Video.url}`)
 140     }
 141
 142     await sequelizeTypescript.transaction(async t => {
 143       markCommentAsDeleted(videoComment)
 144
 145       await videoComment.save()
 146     })
 147
 148     if (videoComment.Video.isOwned()) {
 149       // Don't resend the activity to the sender
 150       const exceptions = [ byActor ]
 151       await forwardVideoRelatedActivity(activity, t, exceptions, videoComment.Video)
 152     }
 153
 154     logger.info('Remote video comment %s removed.', videoComment.url)
 155   })
 156 }