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 { getServerActor } from '../../../helpers/utils'
   5 import { ActorModel } from '../../../models/activitypub/actor'
   6 import { VideoModel } from '../../../models/video/video'
   7 import { VideoAbuseModel } from '../../../models/video/video-abuse'
   8 import { VideoCommentModel } from '../../../models/video/video-comment'
   9 import { getVideoAbuseActivityPubUrl, getVideoDislikeActivityPubUrl, getVideoViewActivityPubUrl } from '../url'
  10 import {
  11   audiencify,
  12   broadcastToActors,
  13   broadcastToFollowers,
  14   getActorsInvolvedInVideo,
  15   getAudience,
  16   getObjectFollowersAudience,
  17   getOriginVideoAudience,
  18   getOriginVideoCommentAudience,
  19   unicastTo
  20 } from './misc'
  21
  22 async function sendCreateVideo (video: VideoModel, t: Transaction) {
  23   if (video.privacy === VideoPrivacy.PRIVATE) return undefined
  24
  25   const byActor = video.VideoChannel.Account.Actor
  26   const videoObject = video.toActivityPubObject()
  27
  28   const audience = await getAudience(byActor, t, video.privacy === VideoPrivacy.PUBLIC)
  29   const data = await createActivityData(video.url, byActor, videoObject, t, audience)
  30
  31   return broadcastToFollowers(data, byActor, [ byActor ], t)
  32 }
  33
  34 async function sendVideoAbuse (byActor: ActorModel, videoAbuse: VideoAbuseModel, video: VideoModel, t: Transaction) {
  35   const url = getVideoAbuseActivityPubUrl(videoAbuse)
  36
  37   const audience = { to: [ video.VideoChannel.Account.Actor.url ], cc: [] }
  38   const data = await createActivityData(url, byActor, videoAbuse.toActivityPubObject(), t, audience)
  39
  40   return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  41 }
  42
  43 async function sendCreateVideoCommentToOrigin (comment: VideoCommentModel, t: Transaction) {
  44   const byActor = comment.Account.Actor
  45   const threadParentComments = await VideoCommentModel.listThreadParentComments(comment, t)
  46   const commentObject = comment.toActivityPubObject(threadParentComments)
  47
  48   const actorsInvolvedInComment = await getActorsInvolvedInVideo(comment.Video, t)
  49   actorsInvolvedInComment.push(byActor)
  50   const audience = getOriginVideoCommentAudience(comment, threadParentComments, actorsInvolvedInComment)
  51
  52   const data = await createActivityData(comment.url, byActor, commentObject, t, audience)
  53
  54   // This was a reply, send it to the parent actors
  55   const actorsException = [ byActor ]
  56   await broadcastToActors(data, byActor, threadParentComments.map(c => c.Account.Actor), actorsException)
  57
  58   // Broadcast to our followers
  59   await broadcastToFollowers(data, byActor, [ byActor ], t)
  60
  61   // Send to origin
  62   return unicastTo(data, byActor, comment.Video.VideoChannel.Account.Actor.sharedInboxUrl)
  63 }
  64
  65 async function sendCreateVideoCommentToVideoFollowers (comment: VideoCommentModel, t: Transaction) {
  66   const byActor = comment.Account.Actor
  67   const threadParentComments = await VideoCommentModel.listThreadParentComments(comment, t)
  68   const commentObject = comment.toActivityPubObject(threadParentComments)
  69
  70   const actorsInvolvedInComment = await getActorsInvolvedInVideo(comment.Video, t)
  71   actorsInvolvedInComment.push(byActor)
  72
  73   const audience = getOriginVideoCommentAudience(comment, threadParentComments, actorsInvolvedInComment)
  74   const data = await createActivityData(comment.url, byActor, commentObject, t, audience)
  75
  76   // This was a reply, send it to the parent actors
  77   const actorsException = [ byActor ]
  78   await broadcastToActors(data, byActor, threadParentComments.map(c => c.Account.Actor), actorsException)
  79
  80   // Broadcast to our followers
  81   await broadcastToFollowers(data, byActor, [ byActor ], t)
  82
  83   // Send to actors involved in the comment
  84   return broadcastToFollowers(data, byActor, actorsInvolvedInComment, t, actorsException)
  85 }
  86
  87 async function sendCreateViewToOrigin (byActor: ActorModel, video: VideoModel, t: Transaction) {
  88   const url = getVideoViewActivityPubUrl(byActor, video)
  89   const viewActivityData = createViewActivityData(byActor, video)
  90
  91   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
  92   const audience = getOriginVideoAudience(video, actorsInvolvedInVideo)
  93   const data = await createActivityData(url, byActor, viewActivityData, t, audience)
  94
  95   return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
  96 }
  97
  98 async function sendCreateViewToVideoFollowers (byActor: ActorModel, video: VideoModel, t: Transaction) {
  99   const url = getVideoViewActivityPubUrl(byActor, video)
 100   const viewActivityData = createViewActivityData(byActor, video)
 101
 102   const actorsToForwardView = await getActorsInvolvedInVideo(video, t)
 103   const audience = getObjectFollowersAudience(actorsToForwardView)
 104   const data = await createActivityData(url, byActor, viewActivityData, t, audience)
 105
 106   // Use the server actor to send the view
 107   const serverActor = await getServerActor()
 108   const actorsException = [ byActor ]
 109   return broadcastToFollowers(data, serverActor, actorsToForwardView, t, actorsException)
 110 }
 111
 112 async function sendCreateDislikeToOrigin (byActor: ActorModel, video: VideoModel, t: Transaction) {
 113   const url = getVideoDislikeActivityPubUrl(byActor, video)
 114   const dislikeActivityData = createDislikeActivityData(byActor, video)
 115
 116   const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
 117   const audience = getOriginVideoAudience(video, actorsInvolvedInVideo)
 118   const data = await createActivityData(url, byActor, dislikeActivityData, t, audience)
 119
 120   return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
 121 }
 122
 123 async function sendCreateDislikeToVideoFollowers (byActor: ActorModel, video: VideoModel, t: Transaction) {
 124   const url = getVideoDislikeActivityPubUrl(byActor, video)
 125   const dislikeActivityData = createDislikeActivityData(byActor, video)
 126
 127   const actorsToForwardView = await getActorsInvolvedInVideo(video, t)
 128   const audience = getObjectFollowersAudience(actorsToForwardView)
 129   const data = await createActivityData(url, byActor, dislikeActivityData, t, audience)
 130
 131   const actorsException = [ byActor ]
 132   return broadcastToFollowers(data, byActor, actorsToForwardView, t, actorsException)
 133 }
 134
 135 async function createActivityData (
 136   url: string,
 137   byActor: ActorModel,
 138   object: any,
 139   t: Transaction,
 140   audience?: ActivityAudience
 141 ): Promise<ActivityCreate> {
 142   if (!audience) {
 143     audience = await getAudience(byActor, t)
 144   }
 145
 146   return audiencify({
 147     type: 'Create',
 148     id: url,
 149     actor: byActor.url,
 150     object: audiencify(object, audience)
 151   }, audience)
 152 }
 153
 154 function createDislikeActivityData (byActor: ActorModel, video: VideoModel) {
 155   return {
 156     type: 'Dislike',
 157     actor: byActor.url,
 158     object: video.url
 159   }
 160 }
 161
 162 function createViewActivityData (byActor: ActorModel, video: VideoModel) {
 163   return {
 164     type: 'View',
 165     actor: byActor.url,
 166     object: video.url
 167   }
 168 }
 169
 170 // ---------------------------------------------------------------------------
 171
 172 export {
 173   sendCreateVideo,
 174   sendVideoAbuse,
 175   createActivityData,
 176   sendCreateViewToOrigin,
 177   sendCreateViewToVideoFollowers,
 178   sendCreateDislikeToOrigin,
 179   sendCreateDislikeToVideoFollowers,
 180   createDislikeActivityData,
 181   sendCreateVideoCommentToOrigin,
 182   sendCreateVideoCommentToVideoFollowers
 183 }