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 { getOrCreateActorAndServerAndModel } from '../actor'
  11
  12 async function processDeleteActivity (activity: ActivityDelete) {
  13   const objectUrl = typeof activity.object === 'string' ? activity.object : activity.object.id
  14
  15   if (activity.actor === objectUrl) {
  16     let actor = await ActorModel.loadByUrl(activity.actor)
  17     if (!actor) return
  18
  19     if (actor.type === 'Person') {
  20       if (!actor.Account) throw new Error('Actor ' + actor.url + ' is a person but we cannot find it in database.')
  21
  22       actor.Account.Actor = await actor.Account.$get('Actor') as ActorModel
  23       return processDeleteAccount(actor.Account)
  24     } else if (actor.type === 'Group') {
  25       if (!actor.VideoChannel) throw new Error('Actor ' + actor.url + ' is a group but we cannot find it in database.')
  26
  27       actor.VideoChannel.Actor = await actor.VideoChannel.$get('Actor') as ActorModel
  28       return processDeleteVideoChannel(actor.VideoChannel)
  29     }
  30   }
  31
  32   const actor = await getOrCreateActorAndServerAndModel(activity.actor)
  33   {
  34     const videoCommentInstance = await VideoCommentModel.loadByUrlAndPopulateAccount(objectUrl)
  35     if (videoCommentInstance) {
  36       return processDeleteVideoComment(actor, videoCommentInstance)
  37     }
  38   }
  39
  40   {
  41     const videoInstance = await VideoModel.loadByUrlAndPopulateAccount(objectUrl)
  42     if (videoInstance) {
  43       return processDeleteVideo(actor, videoInstance)
  44     }
  45   }
  46
  47   return
  48 }
  49
  50 // ---------------------------------------------------------------------------
  51
  52 export {
  53   processDeleteActivity
  54 }
  55
  56 // ---------------------------------------------------------------------------
  57
  58 async function processDeleteVideo (actor: ActorModel, videoToDelete: VideoModel) {
  59   const options = {
  60     arguments: [ actor, videoToDelete ],
  61     errorMessage: 'Cannot remove the remote video with many retries.'
  62   }
  63
  64   await retryTransactionWrapper(deleteRemoteVideo, options)
  65 }
  66
  67 async function deleteRemoteVideo (actor: ActorModel, videoToDelete: VideoModel) {
  68   logger.debug('Removing remote video "%s".', videoToDelete.uuid)
  69
  70   await sequelizeTypescript.transaction(async t => {
  71     if (videoToDelete.VideoChannel.Account.Actor.id !== actor.id) {
  72       throw new Error('Account ' + actor.url + ' does not own video channel ' + videoToDelete.VideoChannel.Actor.url)
  73     }
  74
  75     await videoToDelete.destroy({ transaction: t })
  76   })
  77
  78   logger.info('Remote video with uuid %s removed.', videoToDelete.uuid)
  79 }
  80
  81 async function processDeleteAccount (accountToRemove: AccountModel) {
  82   const options = {
  83     arguments: [ accountToRemove ],
  84     errorMessage: 'Cannot remove the remote account with many retries.'
  85   }
  86
  87   await retryTransactionWrapper(deleteRemoteAccount, options)
  88 }
  89
  90 async function deleteRemoteAccount (accountToRemove: AccountModel) {
  91   logger.debug('Removing remote account "%s".', accountToRemove.Actor.uuid)
  92
  93   await sequelizeTypescript.transaction(async t => {
  94     await accountToRemove.destroy({ transaction: t })
  95   })
  96
  97   logger.info('Remote account with uuid %s removed.', accountToRemove.Actor.uuid)
  98 }
  99
 100 async function processDeleteVideoChannel (videoChannelToRemove: VideoChannelModel) {
 101   const options = {
 102     arguments: [ videoChannelToRemove ],
 103     errorMessage: 'Cannot remove the remote video channel with many retries.'
 104   }
 105
 106   await retryTransactionWrapper(deleteRemoteVideoChannel, options)
 107 }
 108
 109 async function deleteRemoteVideoChannel (videoChannelToRemove: VideoChannelModel) {
 110   logger.debug('Removing remote video channel "%s".', videoChannelToRemove.Actor.uuid)
 111
 112   await sequelizeTypescript.transaction(async t => {
 113     await videoChannelToRemove.destroy({ transaction: t })
 114   })
 115
 116   logger.info('Remote video channel with uuid %s removed.', videoChannelToRemove.Actor.uuid)
 117 }
 118
 119 async function processDeleteVideoComment (actor: ActorModel, videoComment: VideoCommentModel) {
 120   const options = {
 121     arguments: [ actor, videoComment ],
 122     errorMessage: 'Cannot remove the remote video comment with many retries.'
 123   }
 124
 125   await retryTransactionWrapper(deleteRemoteVideoComment, options)
 126 }
 127
 128 function deleteRemoteVideoComment (actor: ActorModel, videoComment: VideoCommentModel) {
 129   logger.debug('Removing remote video comment "%s".', videoComment.url)
 130
 131   return sequelizeTypescript.transaction(async t => {
 132     await videoComment.destroy({ transaction: t })
 133
 134     logger.info('Remote video comment %s removed.', videoComment.url)
 135   })
 136 }