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