server/lib/activitypub/send/send-update.ts

   1 import { Transaction } from 'sequelize'
   2 import { ActivityAudience, ActivityUpdate } from '../../../../shared/models/activitypub'
   3 import { VideoPrivacy } from '../../../../shared/models/videos'
   4 import { AccountModel } from '../../../models/account/account'
   5 import { ActorModel } from '../../../models/activitypub/actor'
   6 import { VideoModel } from '../../../models/video/video'
   7 import { VideoChannelModel } from '../../../models/video/video-channel'
   8 import { VideoShareModel } from '../../../models/video/video-share'
   9 import { getUpdateActivityPubUrl } from '../url'
  10 import { broadcastToFollowers, sendVideoRelatedActivity } from './utils'
  11 import { audiencify, getActorsInvolvedInVideo, getAudience } from '../audience'
  12 import { logger } from '../../../helpers/logger'
  13 import { VideoCaptionModel } from '../../../models/video/video-caption'
  14 import { VideoRedundancyModel } from '../../../models/redundancy/video-redundancy'
  15
  16 async function sendUpdateVideo (video: VideoModel, t: Transaction, overrodeByActor?: ActorModel) {
  17   logger.info('Creating job to update video %s.', video.url)
  18
  19   const byActor = overrodeByActor ? overrodeByActor : video.VideoChannel.Account.Actor
  20
  21   const url = getUpdateActivityPubUrl(video.url, video.updatedAt.toISOString())
  22
  23   // Needed to build the AP object
  24   if (!video.VideoCaptions) video.VideoCaptions = await video.$get('VideoCaptions') as VideoCaptionModel[]
  25
  26   const videoObject = video.toActivityPubObject()
  27   const audience = getAudience(byActor, video.privacy === VideoPrivacy.PUBLIC)
  28
  29   const updateActivity = buildUpdateActivity(url, byActor, videoObject, audience)
  30
  31   const actorsInvolved = await getActorsInvolvedInVideo(video, t)
  32   if (overrodeByActor) actorsInvolved.push(overrodeByActor)
  33
  34   return broadcastToFollowers(updateActivity, byActor, actorsInvolved, t)
  35 }
  36
  37 async function sendUpdateActor (accountOrChannel: AccountModel | VideoChannelModel, t: Transaction) {
  38   const byActor = accountOrChannel.Actor
  39
  40   logger.info('Creating job to update actor %s.', byActor.url)
  41
  42   const url = getUpdateActivityPubUrl(byActor.url, byActor.updatedAt.toISOString())
  43   const accountOrChannelObject = accountOrChannel.toActivityPubObject()
  44   const audience = getAudience(byActor)
  45   const updateActivity = buildUpdateActivity(url, byActor, accountOrChannelObject, audience)
  46
  47   let actorsInvolved: ActorModel[]
  48   if (accountOrChannel instanceof AccountModel) {
  49     // Actors that shared my videos are involved too
  50     actorsInvolved = await VideoShareModel.loadActorsByVideoOwner(byActor.id, t)
  51   } else {
  52     // Actors that shared videos of my channel are involved too
  53     actorsInvolved = await VideoShareModel.loadActorsByVideoChannel(accountOrChannel.id, t)
  54   }
  55
  56   actorsInvolved.push(byActor)
  57
  58   return broadcastToFollowers(updateActivity, byActor, actorsInvolved, t)
  59 }
  60
  61 async function sendUpdateCacheFile (byActor: ActorModel, redundancyModel: VideoRedundancyModel) {
  62   logger.info('Creating job to update cache file %s.', redundancyModel.url)
  63
  64   const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(redundancyModel.VideoFile.Video.id)
  65
  66   const activityBuilder = (audience: ActivityAudience) => {
  67     const redundancyObject = redundancyModel.toActivityPubObject()
  68     const url = getUpdateActivityPubUrl(redundancyModel.url, redundancyModel.updatedAt.toISOString())
  69
  70     return buildUpdateActivity(url, byActor, redundancyObject, audience)
  71   }
  72
  73   return sendVideoRelatedActivity(activityBuilder, { byActor, video })
  74 }
  75
  76 // ---------------------------------------------------------------------------
  77
  78 export {
  79   sendUpdateActor,
  80   sendUpdateVideo,
  81   sendUpdateCacheFile
  82 }
  83
  84 // ---------------------------------------------------------------------------
  85
  86 function buildUpdateActivity (url: string, byActor: ActorModel, object: any, audience?: ActivityAudience): ActivityUpdate {
  87   if (!audience) audience = getAudience(byActor)
  88
  89   return audiencify(
  90     {
  91       type: 'Update' as 'Update',
  92       id: url,
  93       actor: byActor.url,
  94       object: audiencify(object, audience
  95       )
  96     },
  97     audience
  98   )
  99 }