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