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

   1 import { ActivityAdd, ActivityAnnounce, ActivityCreate } from '../../../../shared/models/activitypub'
   2 import { logger, retryTransactionWrapper } from '../../../helpers'
   3 import { sequelizeTypescript } from '../../../initializers'
   4 import { AccountModel } from '../../../models/account/account'
   5 import { VideoModel } from '../../../models/video/video'
   6 import { VideoChannelModel } from '../../../models/video/video-channel'
   7 import { VideoChannelShareModel } from '../../../models/video/video-channel-share'
   8 import { VideoShareModel } from '../../../models/video/video-share'
   9 import { getOrCreateAccountAndServer } from '../account'
  10 import { forwardActivity } from '../send/misc'
  11 import { processAddActivity } from './process-add'
  12 import { processCreateActivity } from './process-create'
  13
  14 async function processAnnounceActivity (activity: ActivityAnnounce) {
  15   const announcedActivity = activity.object
  16   const accountAnnouncer = await getOrCreateAccountAndServer(activity.actor)
  17
  18   if (announcedActivity.type === 'Create' && announcedActivity.object.type === 'VideoChannel') {
  19     return processVideoChannelShare(accountAnnouncer, activity)
  20   } else if (announcedActivity.type === 'Add' && announcedActivity.object.type === 'Video') {
  21     return processVideoShare(accountAnnouncer, activity)
  22   }
  23
  24   logger.warn(
  25     'Unknown activity object type %s -> %s when announcing activity.', announcedActivity.type, announcedActivity.object.type,
  26     { activity: activity.id }
  27   )
  28
  29   return undefined
  30 }
  31
  32 // ---------------------------------------------------------------------------
  33
  34 export {
  35   processAnnounceActivity
  36 }
  37
  38 // ---------------------------------------------------------------------------
  39
  40 function processVideoChannelShare (accountAnnouncer: AccountModel, activity: ActivityAnnounce) {
  41   const options = {
  42     arguments: [ accountAnnouncer, activity ],
  43     errorMessage: 'Cannot share the video channel with many retries.'
  44   }
  45
  46   return retryTransactionWrapper(shareVideoChannel, options)
  47 }
  48
  49 async function shareVideoChannel (accountAnnouncer: AccountModel, activity: ActivityAnnounce) {
  50   const announcedActivity = activity.object as ActivityCreate
  51
  52   return sequelizeTypescript.transaction(async t => {
  53     // Add share entry
  54     const videoChannel: VideoChannelModel = await processCreateActivity(announcedActivity)
  55     const share = {
  56       accountId: accountAnnouncer.id,
  57       videoChannelId: videoChannel.id
  58     }
  59
  60     const [ , created ] = await VideoChannelShareModel.findOrCreate({
  61       where: share,
  62       defaults: share,
  63       transaction: t
  64     })
  65
  66     if (videoChannel.isOwned() && created === true) {
  67       // Don't resend the activity to the sender
  68       const exceptions = [ accountAnnouncer ]
  69       await forwardActivity(activity, t, exceptions)
  70     }
  71
  72     return undefined
  73   })
  74 }
  75
  76 function processVideoShare (accountAnnouncer: AccountModel, activity: ActivityAnnounce) {
  77   const options = {
  78     arguments: [ accountAnnouncer, activity ],
  79     errorMessage: 'Cannot share the video with many retries.'
  80   }
  81
  82   return retryTransactionWrapper(shareVideo, options)
  83 }
  84
  85 function shareVideo (accountAnnouncer: AccountModel, activity: ActivityAnnounce) {
  86   const announcedActivity = activity.object as ActivityAdd
  87
  88   return sequelizeTypescript.transaction(async t => {
  89     // Add share entry
  90     const video: VideoModel = await processAddActivity(announcedActivity)
  91
  92     const share = {
  93       accountId: accountAnnouncer.id,
  94       videoId: video.id
  95     }
  96
  97     const [ , created ] = await VideoShareModel.findOrCreate({
  98       where: share,
  99       defaults: share,
 100       transaction: t
 101     })
 102
 103     if (video.isOwned() && created === true) {
 104       // Don't resend the activity to the sender
 105       const exceptions = [ accountAnnouncer ]
 106       await forwardActivity(activity, t, exceptions)
 107     }
 108
 109     return undefined
 110   })
 111 }