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