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