server/lib/activitypub/process/process-create.ts

   1 import { ActivityCreate, VideoChannelObject } from '../../../../shared'
   2 import { DislikeObject } from '../../../../shared/models/activitypub/objects/dislike-object'
   3 import { VideoAbuseObject } from '../../../../shared/models/activitypub/objects/video-abuse-object'
   4 import { ViewObject } from '../../../../shared/models/activitypub/objects/view-object'
   5 import { logger, retryTransactionWrapper } from '../../../helpers'
   6 import { database as db } from '../../../initializers'
   7 import { AccountInstance } from '../../../models/account/account-interface'
   8 import { getOrCreateAccountAndServer } from '../account'
   9 import { forwardActivity } from '../send/misc'
  10 import { getVideoChannelActivityPubUrl } from '../url'
  11 import { addVideoChannelShares, videoChannelActivityObjectToDBAttributes } from './misc'
  12
  13 async function processCreateActivity (activity: ActivityCreate) {
  14   const activityObject = activity.object
  15   const activityType = activityObject.type
  16   const account = await getOrCreateAccountAndServer(activity.actor)
  17
  18   if (activityType === 'View') {
  19     return processCreateView(account, activity)
  20   } else if (activityType === 'Dislike') {
  21     return processCreateDislike(account, activity)
  22   } else if (activityType === 'VideoChannel') {
  23     return processCreateVideoChannel(account, activityObject as VideoChannelObject)
  24   } else if (activityType === 'Flag') {
  25     return processCreateVideoAbuse(account, activityObject as VideoAbuseObject)
  26   }
  27
  28   logger.warn('Unknown activity object type %s when creating activity.', activityType, { activity: activity.id })
  29   return Promise.resolve(undefined)
  30 }
  31
  32 // ---------------------------------------------------------------------------
  33
  34 export {
  35   processCreateActivity
  36 }
  37
  38 // ---------------------------------------------------------------------------
  39
  40 async function processCreateDislike (byAccount: AccountInstance, activity: ActivityCreate) {
  41   const options = {
  42     arguments: [ byAccount, activity ],
  43     errorMessage: 'Cannot dislike the video with many retries.'
  44   }
  45
  46   return retryTransactionWrapper(createVideoDislike, options)
  47 }
  48
  49 function createVideoDislike (byAccount: AccountInstance, activity: ActivityCreate) {
  50   const dislike = activity.object as DislikeObject
  51
  52   return db.sequelize.transaction(async t => {
  53     const video = await db.Video.loadByUrlAndPopulateAccount(dislike.object, t)
  54     if (!video) throw new Error('Unknown video ' + dislike.object)
  55
  56     const rate = {
  57       type: 'dislike' as 'dislike',
  58       videoId: video.id,
  59       accountId: byAccount.id
  60     }
  61     const [ , created ] = await db.AccountVideoRate.findOrCreate({
  62       where: rate,
  63       defaults: rate,
  64       transaction: t
  65     })
  66     await video.increment('dislikes', { transaction: t })
  67
  68     if (video.isOwned() && created === true) {
  69       // Don't resend the activity to the sender
  70       const exceptions = [ byAccount ]
  71       await forwardActivity(activity, t, exceptions)
  72     }
  73   })
  74 }
  75
  76 async function processCreateView (byAccount: AccountInstance, activity: ActivityCreate) {
  77   const view = activity.object as ViewObject
  78
  79   const video = await db.Video.loadByUrlAndPopulateAccount(view.object)
  80
  81   if (!video) throw new Error('Unknown video ' + view.object)
  82
  83   const account = await db.Account.loadByUrl(view.actor)
  84   if (!account) throw new Error('Unknown account ' + view.actor)
  85
  86   await video.increment('views')
  87
  88   if (video.isOwned()) {
  89     // Don't resend the activity to the sender
  90     const exceptions = [ byAccount ]
  91     await forwardActivity(activity, undefined, exceptions)
  92   }
  93 }
  94
  95 async function processCreateVideoChannel (account: AccountInstance, videoChannelToCreateData: VideoChannelObject) {
  96   const options = {
  97     arguments: [ account, videoChannelToCreateData ],
  98     errorMessage: 'Cannot insert the remote video channel with many retries.'
  99   }
 100
 101   const videoChannel = await retryTransactionWrapper(addRemoteVideoChannel, options)
 102
 103   if (videoChannelToCreateData.shares && Array.isArray(videoChannelToCreateData.shares.orderedItems)) {
 104     await addVideoChannelShares(videoChannel, videoChannelToCreateData.shares.orderedItems)
 105   }
 106
 107   return videoChannel
 108 }
 109
 110 function addRemoteVideoChannel (account: AccountInstance, videoChannelToCreateData: VideoChannelObject) {
 111   logger.debug('Adding remote video channel "%s".', videoChannelToCreateData.uuid)
 112
 113   return db.sequelize.transaction(async t => {
 114     let videoChannel = await db.VideoChannel.loadByUUIDOrUrl(videoChannelToCreateData.uuid, videoChannelToCreateData.id, t)
 115     if (videoChannel) return videoChannel
 116
 117     const videoChannelData = videoChannelActivityObjectToDBAttributes(videoChannelToCreateData, account)
 118     videoChannel = db.VideoChannel.build(videoChannelData)
 119     videoChannel.url = getVideoChannelActivityPubUrl(videoChannel)
 120
 121     videoChannel = await videoChannel.save({ transaction: t })
 122     logger.info('Remote video channel with uuid %s inserted.', videoChannelToCreateData.uuid)
 123
 124     return videoChannel
 125   })
 126 }
 127
 128 function processCreateVideoAbuse (account: AccountInstance, videoAbuseToCreateData: VideoAbuseObject) {
 129   const options = {
 130     arguments: [ account, videoAbuseToCreateData ],
 131     errorMessage: 'Cannot insert the remote video abuse with many retries.'
 132   }
 133
 134   return retryTransactionWrapper(addRemoteVideoAbuse, options)
 135 }
 136
 137 function addRemoteVideoAbuse (account: AccountInstance, videoAbuseToCreateData: VideoAbuseObject) {
 138   logger.debug('Reporting remote abuse for video %s.', videoAbuseToCreateData.object)
 139
 140   return db.sequelize.transaction(async t => {
 141     const video = await db.Video.loadByUrlAndPopulateAccount(videoAbuseToCreateData.object, t)
 142     if (!video) {
 143       logger.warn('Unknown video %s for remote video abuse.', videoAbuseToCreateData.object)
 144       return undefined
 145     }
 146
 147     const videoAbuseData = {
 148       reporterAccountId: account.id,
 149       reason: videoAbuseToCreateData.content,
 150       videoId: video.id
 151     }
 152
 153     await db.VideoAbuse.create(videoAbuseData)
 154
 155     logger.info('Remote abuse for video uuid %s created', videoAbuseToCreateData.object)
 156   })
 157 }