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 { VideoAbuseModel } from '../../../models/video/video-abuse'
   7 import { VideoCommentModel } from '../../../models/video/video-comment'
   8 import { getVideoAbuseActivityPubUrl, getVideoDislikeActivityPubUrl, getVideoViewActivityPubUrl } from '../url'
   9 import { broadcastToActors, broadcastToFollowers, sendVideoRelatedActivity, unicastTo } from './utils'
  10 import { audiencify, getActorsInvolvedInVideo, getAudience, getAudienceFromFollowersOf, getVideoCommentAudience } from '../audience'
  11 import { logger } from '../../../helpers/logger'
  12 import { VideoRedundancyModel } from '../../../models/redundancy/video-redundancy'
  13
  14 async function sendCreateVideo (video: VideoModel, t: Transaction) {
  15   if (video.privacy === VideoPrivacy.PRIVATE) return undefined
  16
  17   logger.info('Creating job to send video creation of %s.', video.url)
  18
  19   const byActor = video.VideoChannel.Account.Actor
  20   const videoObject = video.toActivityPubObject()
  21
  22   const audience = getAudience(byActor, video.privacy === VideoPrivacy.PUBLIC)
  23   const createActivity = buildCreateActivity(video.url, byActor, videoObject, audience)
  24
  25   return broadcastToFollowers(createActivity, byActor, [ byActor ], t)
  26 }
  27
  28 async function sendVideoAbuse (byActor: ActorModel, videoAbuse: VideoAbuseModel, video: VideoModel) {
  29   if (!video.VideoChannel.Account.Actor.serverId) return // Local
  30
  31   const url = getVideoAbuseActivityPubUrl(videoAbuse)
  32
  33   logger.info('Creating job to send video abuse %s.', url)
  34
  35   // Custom audience, we only send the abuse to the origin instance
  36   const audience = { to: [ video.VideoChannel.Account.Actor.url ], cc: [] }
  37   const createActivity = buildCreateActivity(url, byActor, videoAbuse.toActivityPubObject(), audience)
  38
  39   return unicastTo(createActivity, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  40 }
  41
  42 async function sendCreateCacheFile (byActor: ActorModel, fileRedundancy: VideoRedundancyModel) {
  43   logger.info('Creating job to send file cache of %s.', fileRedundancy.url)
  44
  45   const video = await VideoModel.loadAndPopulateAccountAndServerAndTags(fileRedundancy.VideoFile.Video.id)
  46   const redundancyObject = fileRedundancy.toActivityPubObject()
  47
  48   return sendVideoRelatedCreateActivity({
  49     byActor,
  50     video,
  51     url: fileRedundancy.url,
  52     object: redundancyObject
  53   })
  54 }
  55
  56 async function sendCreateVideoComment (comment: VideoCommentModel, t: Transaction) {
  57   logger.info('Creating job to send comment %s.', comment.url)
  58
  59   const isOrigin = comment.Video.isOwned()
  60
  61   const byActor = comment.Account.Actor
  62   const threadParentComments = await VideoCommentModel.listThreadParentComments(comment, t)
  63   const commentObject = comment.toActivityPubObject(threadParentComments)
  64
  65   const actorsInvolvedInComment = await getActorsInvolvedInVideo(comment.Video, t)
  66   // Add the actor that commented too
  67   actorsInvolvedInComment.push(byActor)
  68
  69   const parentsCommentActors = threadParentComments.map(c => c.Account.Actor)
  70
  71   let audience: ActivityAudience
  72   if (isOrigin) {
  73     audience = getVideoCommentAudience(comment, threadParentComments, actorsInvolvedInComment, isOrigin)
  74   } else {
  75     audience = getAudienceFromFollowersOf(actorsInvolvedInComment.concat(parentsCommentActors))
  76   }
  77
  78   const createActivity = buildCreateActivity(comment.url, byActor, commentObject, audience)
  79
  80   // This was a reply, send it to the parent actors
  81   const actorsException = [ byActor ]
  82   await broadcastToActors(createActivity, byActor, parentsCommentActors, actorsException)
  83
  84   // Broadcast to our followers
  85   await broadcastToFollowers(createActivity, byActor, [ byActor ], t)
  86
  87   // Send to actors involved in the comment
  88   if (isOrigin) return broadcastToFollowers(createActivity, byActor, actorsInvolvedInComment, t, actorsException)
  89
  90   // Send to origin
  91   return unicastTo(createActivity, byActor, comment.Video.VideoChannel.Account.Actor.sharedInboxUrl)
  92 }
  93
  94 async function sendCreateView (byActor: ActorModel, video: VideoModel, t: Transaction) {
  95   logger.info('Creating job to send view of %s.', video.url)
  96
  97   const url = getVideoViewActivityPubUrl(byActor, video)
  98   const viewActivity = buildViewActivity(url, byActor, video)
  99
 100   return sendVideoRelatedCreateActivity({
 101     // Use the server actor to send the view
 102     byActor,
 103     video,
 104     url,
 105     object: viewActivity,
 106     transaction: t
 107   })
 108 }
 109
 110 async function sendCreateDislike (byActor: ActorModel, video: VideoModel, t: Transaction) {
 111   logger.info('Creating job to dislike %s.', video.url)
 112
 113   const url = getVideoDislikeActivityPubUrl(byActor, video)
 114   const dislikeActivity = buildDislikeActivity(url, byActor, video)
 115
 116   return sendVideoRelatedCreateActivity({
 117     byActor,
 118     video,
 119     url,
 120     object: dislikeActivity,
 121     transaction: t
 122   })
 123 }
 124
 125 function buildCreateActivity (url: string, byActor: ActorModel, object: any, audience?: ActivityAudience): ActivityCreate {
 126   if (!audience) audience = getAudience(byActor)
 127
 128   return audiencify(
 129     {
 130       type: 'Create' as 'Create',
 131       id: url + '/activity',
 132       actor: byActor.url,
 133       object: audiencify(object, audience)
 134     },
 135     audience
 136   )
 137 }
 138
 139 function buildDislikeActivity (url: string, byActor: ActorModel, video: VideoModel) {
 140   return {
 141     id: url,
 142     type: 'Dislike',
 143     actor: byActor.url,
 144     object: video.url
 145   }
 146 }
 147
 148 function buildViewActivity (url: string, byActor: ActorModel, video: VideoModel) {
 149   return {
 150     id: url,
 151     type: 'View',
 152     actor: byActor.url,
 153     object: video.url
 154   }
 155 }
 156
 157 // ---------------------------------------------------------------------------
 158
 159 export {
 160   sendCreateVideo,
 161   sendVideoAbuse,
 162   buildCreateActivity,
 163   sendCreateView,
 164   sendCreateDislike,
 165   buildDislikeActivity,
 166   sendCreateVideoComment,
 167   sendCreateCacheFile
 168 }
 169
 170 // ---------------------------------------------------------------------------
 171
 172 async function sendVideoRelatedCreateActivity (options: {
 173   byActor: ActorModel,
 174   video: VideoModel,
 175   url: string,
 176   object: any,
 177   transaction?: Transaction
 178 }) {
 179   const activityBuilder = (audience: ActivityAudience) => {
 180     return buildCreateActivity(options.url, options.byActor, options.object, audience)
 181   }
 182
 183   return sendVideoRelatedActivity(activityBuilder, options)
 184 }