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

   1 import { Transaction } from 'sequelize'
   2 import { ActivityAudience, ActivityCreate } from '../../../../shared/models/activitypub'
   3 import { VideoPrivacy } from '../../../../shared/models/videos'
   4 import { ActorModel } from '../../../models/activitypub/actor'
   5 import { VideoModel } from '../../../models/video/video'
   6 import { VideoCommentModel } from '../../../models/video/video-comment'
   7 import { broadcastToActors, broadcastToFollowers, sendVideoRelatedActivity, unicastTo } from './utils'
   8 import { audiencify, getActorsInvolvedInVideo, getAudience, getAudienceFromFollowersOf, getVideoCommentAudience } from '../audience'
   9 import { logger } from '../../../helpers/logger'
  10 import { VideoRedundancyModel } from '../../../models/redundancy/video-redundancy'
  11
  12 async function sendCreateVideo (video: VideoModel, t: Transaction) {
  13   if (video.privacy === VideoPrivacy.PRIVATE) return undefined
  14
  15   logger.info('Creating job to send video creation of %s.', video.url)
  16
  17   const byActor = video.VideoChannel.Account.Actor
  18   const videoObject = video.toActivityPubObject()
  19
  20   const audience = getAudience(byActor, video.privacy === VideoPrivacy.PUBLIC)
  21   const createActivity = buildCreateActivity(video.url, byActor, videoObject, audience)
  22
  23   return broadcastToFollowers(createActivity, byActor, [ byActor ], t)
  24 }
  25
  26 async function sendCreateCacheFile (byActor: ActorModel, video: VideoModel, fileRedundancy: VideoRedundancyModel) {
  27   logger.info('Creating job to send file cache of %s.', fileRedundancy.url)
  28
  29   return sendVideoRelatedCreateActivity({
  30     byActor,
  31     video,
  32     url: fileRedundancy.url,
  33     object: fileRedundancy.toActivityPubObject()
  34   })
  35 }
  36
  37 async function sendCreateVideoComment (comment: VideoCommentModel, t: Transaction) {
  38   logger.info('Creating job to send comment %s.', comment.url)
  39
  40   const isOrigin = comment.Video.isOwned()
  41
  42   const byActor = comment.Account.Actor
  43   const threadParentComments = await VideoCommentModel.listThreadParentComments(comment, t)
  44   const commentObject = comment.toActivityPubObject(threadParentComments)
  45
  46   const actorsInvolvedInComment = await getActorsInvolvedInVideo(comment.Video, t)
  47   // Add the actor that commented too
  48   actorsInvolvedInComment.push(byActor)
  49
  50   const parentsCommentActors = threadParentComments.map(c => c.Account.Actor)
  51
  52   let audience: ActivityAudience
  53   if (isOrigin) {
  54     audience = getVideoCommentAudience(comment, threadParentComments, actorsInvolvedInComment, isOrigin)
  55   } else {
  56     audience = getAudienceFromFollowersOf(actorsInvolvedInComment.concat(parentsCommentActors))
  57   }
  58
  59   const createActivity = buildCreateActivity(comment.url, byActor, commentObject, audience)
  60
  61   // This was a reply, send it to the parent actors
  62   const actorsException = [ byActor ]
  63   await broadcastToActors(createActivity, byActor, parentsCommentActors, actorsException)
  64
  65   // Broadcast to our followers
  66   await broadcastToFollowers(createActivity, byActor, [ byActor ], t)
  67
  68   // Send to actors involved in the comment
  69   if (isOrigin) return broadcastToFollowers(createActivity, byActor, actorsInvolvedInComment, t, actorsException)
  70
  71   // Send to origin
  72   return unicastTo(createActivity, byActor, comment.Video.VideoChannel.Account.Actor.sharedInboxUrl)
  73 }
  74
  75 function buildCreateActivity (url: string, byActor: ActorModel, object: any, audience?: ActivityAudience): ActivityCreate {
  76   if (!audience) audience = getAudience(byActor)
  77
  78   return audiencify(
  79     {
  80       type: 'Create' as 'Create',
  81       id: url + '/activity',
  82       actor: byActor.url,
  83       object: audiencify(object, audience)
  84     },
  85     audience
  86   )
  87 }
  88
  89 // ---------------------------------------------------------------------------
  90
  91 export {
  92   sendCreateVideo,
  93   buildCreateActivity,
  94   sendCreateVideoComment,
  95   sendCreateCacheFile
  96 }
  97
  98 // ---------------------------------------------------------------------------
  99
 100 async function sendVideoRelatedCreateActivity (options: {
 101   byActor: ActorModel,
 102   video: VideoModel,
 103   url: string,
 104   object: any,
 105   transaction?: Transaction
 106 }) {
 107   const activityBuilder = (audience: ActivityAudience) => {
 108     return buildCreateActivity(options.url, options.byActor, options.object, audience)
 109   }
 110
 111   return sendVideoRelatedActivity(activityBuilder, options)
 112 }