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