From 4ba3b8ea1be85d95a508ac479f26b96ceea15971 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Fri, 26 Jan 2018 15:49:57 +0100
Subject: Don't rehost announced video activities

---
 server/lib/activitypub/process/process-announce.ts |  7 +++--
 server/lib/activitypub/send/send-announce.ts       | 35 ++++------------------
 server/lib/activitypub/share.ts                    | 24 ++++++++++-----
 3 files changed, 27 insertions(+), 39 deletions(-)

(limited to 'server/lib')

diff --git a/server/lib/activitypub/process/process-announce.ts b/server/lib/activitypub/process/process-announce.ts
index 7dafc0593..09f2e80f3 100644
--- a/server/lib/activitypub/process/process-announce.ts
+++ b/server/lib/activitypub/process/process-announce.ts
@@ -43,11 +43,14 @@ async function shareVideo (actorAnnouncer: ActorModel, activity: ActivityAnnounc
 
     const share = {
       actorId: actorAnnouncer.id,
-      videoId: video.id
+      videoId: video.id,
+      url: activity.id
     }
 
     const [ , created ] = await VideoShareModel.findOrCreate({
-      where: share,
+      where: {
+        url: activity.id
+      },
       defaults: share,
       transaction: t
     })
diff --git a/server/lib/activitypub/send/send-announce.ts b/server/lib/activitypub/send/send-announce.ts
index 76cb3f80c..ed551a2b2 100644
--- a/server/lib/activitypub/send/send-announce.ts
+++ b/server/lib/activitypub/send/send-announce.ts
@@ -2,45 +2,23 @@ import { Transaction } from 'sequelize'
 import { ActivityAnnounce, ActivityAudience } from '../../../../shared/models/activitypub'
 import { ActorModel } from '../../../models/activitypub/actor'
 import { VideoModel } from '../../../models/video/video'
-import { getAnnounceActivityPubUrl } from '../url'
-import {
-  broadcastToFollowers,
-  getActorsInvolvedInVideo,
-  getAudience,
-  getObjectFollowersAudience,
-  getOriginVideoAudience,
-  unicastTo
-} from './misc'
-import { createActivityData } from './send-create'
+import { VideoShareModel } from '../../../models/video/video-share'
+import { broadcastToFollowers, getActorsInvolvedInVideo, getAudience, getObjectFollowersAudience } from './misc'
 
-async function buildVideoAnnounceToFollowers (byActor: ActorModel, video: VideoModel, t: Transaction) {
-  const url = getAnnounceActivityPubUrl(video.url, byActor)
+async function buildVideoAnnounceToFollowers (byActor: ActorModel, videoShare: VideoShareModel, video: VideoModel, t: Transaction) {
   const announcedObject = video.url
 
   const accountsToForwardView = await getActorsInvolvedInVideo(video, t)
   const audience = getObjectFollowersAudience(accountsToForwardView)
-  return announceActivityData(url, byActor, announcedObject, t, audience)
+  return announceActivityData(videoShare.url, byActor, announcedObject, t, audience)
 }
 
-async function sendVideoAnnounceToFollowers (byActor: ActorModel, video: VideoModel, t: Transaction) {
-  const data = await buildVideoAnnounceToFollowers(byActor, video, t)
+async function sendVideoAnnounceToFollowers (byActor: ActorModel, videoShare: VideoShareModel, video: VideoModel, t: Transaction) {
+  const data = await buildVideoAnnounceToFollowers(byActor, videoShare, video, t)
 
   return broadcastToFollowers(data, byActor, [ byActor ], t)
 }
 
-async function sendVideoAnnounceToOrigin (byActor: ActorModel, video: VideoModel, t: Transaction) {
-  const url = getAnnounceActivityPubUrl(video.url, byActor)
-
-  const videoObject = video.toActivityPubObject()
-  const announcedActivity = await createActivityData(url, video.VideoChannel.Account.Actor, videoObject, t)
-
-  const actorsInvolvedInVideo = await getActorsInvolvedInVideo(video, t)
-  const audience = getOriginVideoAudience(video, actorsInvolvedInVideo)
-  const data = await createActivityData(url, byActor, announcedActivity, t, audience)
-
-  return unicastTo(data, byActor, video.VideoChannel.Account.Actor.sharedInboxUrl)
-}
-
 async function announceActivityData (
   url: string,
   byActor: ActorModel,
@@ -66,7 +44,6 @@ async function announceActivityData (
 
 export {
   sendVideoAnnounceToFollowers,
-  sendVideoAnnounceToOrigin,
   announceActivityData,
   buildVideoAnnounceToFollowers
 }
diff --git a/server/lib/activitypub/share.ts b/server/lib/activitypub/share.ts
index fd374d03d..53ecd3dab 100644
--- a/server/lib/activitypub/share.ts
+++ b/server/lib/activitypub/share.ts
@@ -4,28 +4,36 @@ import { getServerActor } from '../../helpers/utils'
 import { VideoModel } from '../../models/video/video'
 import { VideoShareModel } from '../../models/video/video-share'
 import { sendVideoAnnounceToFollowers } from './send'
+import { getAnnounceActivityPubUrl } from './url'
 
 async function shareVideoByServerAndChannel (video: VideoModel, t: Transaction) {
   if (video.privacy === VideoPrivacy.PRIVATE) return undefined
 
   const serverActor = await getServerActor()
 
-  const serverShare = VideoShareModel.create({
+  const serverShareUrl = getAnnounceActivityPubUrl(video.url, serverActor)
+  const serverSharePromise = VideoShareModel.create({
     actorId: serverActor.id,
-    videoId: video.id
+    videoId: video.id,
+    url: serverShareUrl
   }, { transaction: t })
 
-  const videoChannelShare = VideoShareModel.create({
+  const videoChannelShareUrl = getAnnounceActivityPubUrl(video.url, video.VideoChannel.Actor)
+  const videoChannelSharePromise = VideoShareModel.create({
     actorId: video.VideoChannel.actorId,
-    videoId: video.id
+    videoId: video.id,
+    url: videoChannelShareUrl
   }, { transaction: t })
 
-  await Promise.all([
-    serverShare,
-    videoChannelShare
+  const [ serverShare, videoChannelShare ] = await Promise.all([
+    serverSharePromise,
+    videoChannelSharePromise
   ])
 
-  return sendVideoAnnounceToFollowers(serverActor, video, t)
+  return Promise.all([
+    sendVideoAnnounceToFollowers(serverActor, videoChannelShare, video, t),
+    sendVideoAnnounceToFollowers(serverActor, serverShare, video, t)
+  ])
 }
 
 export {
-- 
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