3 files changed, 58 insertions, 17 deletions

diff --git a/server/lib/activitypub/process/process-create.ts b/server/lib/activitypub/process/process-create.ts
index 76ed37aae..1e6e8956c 100644
--- a/server/lib/activitypub/process/process-create.ts
+++ b/server/lib/activitypub/process/process-create.ts
@@ -109,8 +109,10 @@ async function processCreateVideoComment (activity: ActivityCreate, byActor: MAc
   let video: MVideoAccountLightBlacklistAllFiles
   let created: boolean
   let comment: MCommentOwnerVideo
+
   try {
     const resolveThreadResult = await resolveThread({ url: commentObject.id, isVideo: false })
+    if (!resolveThreadResult) return // Comment not accepted
 
     video = resolveThreadResult.video
     created = resolveThreadResult.commentCreated
diff --git a/server/lib/activitypub/video-comments.ts b/server/lib/activitypub/video-comments.ts
index 911c7cd30..b65baf0e9 100644
--- a/server/lib/activitypub/video-comments.ts
+++ b/server/lib/activitypub/video-comments.ts
@@ -4,7 +4,9 @@ import { logger } from '../../helpers/logger'
 import { doJSONRequest } from '../../helpers/requests'
 import { ACTIVITY_PUB, CRAWL_REQUEST_CONCURRENCY } from '../../initializers/constants'
 import { VideoCommentModel } from '../../models/video/video-comment'
-import { MCommentOwner, MCommentOwnerVideo, MVideoAccountLightBlacklistAllFiles } from '../../types/models/video'
+import { MComment, MCommentOwner, MCommentOwnerVideo, MVideoAccountLightBlacklistAllFiles } from '../../types/models/video'
+import { isRemoteVideoCommentAccepted } from '../moderation'
+import { Hooks } from '../plugins/hooks'
 import { getOrCreateAPActor } from './actors'
 import { checkUrlsSameHost } from './url'
 import { getOrCreateAPVideo } from './videos'
@@ -103,6 +105,10 @@ async function tryToResolveThreadFromVideo (params: ResolveThreadParams) {
     firstReply.changed('updatedAt', true)
     firstReply.Video = video
 
+    if (await isRemoteCommentAccepted(firstReply) !== true) {
+      return undefined
+    }
+
     comments[comments.length - 1] = await firstReply.save()
 
     for (let i = comments.length - 2; i >= 0; i--) {
@@ -113,6 +119,10 @@ async function tryToResolveThreadFromVideo (params: ResolveThreadParams) {
       comment.changed('updatedAt', true)
       comment.Video = video
 
+      if (await isRemoteCommentAccepted(comment) !== true) {
+        return undefined
+      }
+
       comments[i] = await comment.save()
     }
 
@@ -169,3 +179,26 @@ async function resolveRemoteParentComment (params: ResolveThreadParams) {
     commentCreated: true
   })
 }
+
+async function isRemoteCommentAccepted (comment: MComment) {
+  // Already created
+  if (comment.id) return true
+
+  const acceptParameters = {
+    comment
+  }
+
+  const acceptedResult = await Hooks.wrapFun(
+    isRemoteVideoCommentAccepted,
+    acceptParameters,
+    'filter:activity-pub.remote-video-comment.create.accept.result'
+  )
+
+  if (!acceptedResult || acceptedResult.accepted !== true) {
+    logger.info('Refused to create a remote comment.', { acceptedResult, acceptParameters })
+
+    return false
+  }
+
+  return true
+}
diff --git a/server/lib/moderation.ts b/server/lib/moderation.ts
index c23f5b6a6..43c58c980 100644
--- a/server/lib/moderation.ts
+++ b/server/lib/moderation.ts
@@ -13,18 +13,15 @@ import {
   MAbuseFull,
   MAccountDefault,
   MAccountLight,
+  MComment,
   MCommentAbuseAccountVideo,
   MCommentOwnerVideo,
   MUser,
   MVideoAbuseVideoFull,
   MVideoAccountLightBlacklistAllFiles
 } from '@server/types/models'
-import { ActivityCreate } from '../../shared/models/activitypub'
-import { VideoObject } from '../../shared/models/activitypub/objects'
-import { VideoCommentObject } from '../../shared/models/activitypub/objects/video-comment-object'
 import { LiveVideoCreate, VideoCreate, VideoImportCreate } from '../../shared/models/videos'
 import { VideoCommentCreate } from '../../shared/models/videos/comment'
-import { ActorModel } from '../models/actor/actor'
 import { UserModel } from '../models/user/user'
 import { VideoModel } from '../models/video/video'
 import { VideoCommentModel } from '../models/video/video-comment'
@@ -36,7 +33,9 @@ export type AcceptResult = {
   errorMessage?: string
 }
 
-// Can be filtered by plugins
+// ---------------------------------------------------------------------------
+
+// Stub function that can be filtered by plugins
 function isLocalVideoAccepted (object: {
   videoBody: VideoCreate
   videoFile: VideoUploadFile
@@ -45,6 +44,9 @@ function isLocalVideoAccepted (object: {
   return { accepted: true }
 }
 
+// ---------------------------------------------------------------------------
+
+// Stub function that can be filtered by plugins
 function isLocalLiveVideoAccepted (object: {
   liveVideoBody: LiveVideoCreate
   user: UserModel
@@ -52,6 +54,9 @@ function isLocalLiveVideoAccepted (object: {
   return { accepted: true }
 }
 
+// ---------------------------------------------------------------------------
+
+// Stub function that can be filtered by plugins
 function isLocalVideoThreadAccepted (_object: {
   commentBody: VideoCommentCreate
   video: VideoModel
@@ -60,6 +65,7 @@ function isLocalVideoThreadAccepted (_object: {
   return { accepted: true }
 }
 
+// Stub function that can be filtered by plugins
 function isLocalVideoCommentReplyAccepted (_object: {
   commentBody: VideoCommentCreate
   parentComment: VideoCommentModel
@@ -69,22 +75,18 @@ function isLocalVideoCommentReplyAccepted (_object: {
   return { accepted: true }
 }
 
-function isRemoteVideoAccepted (_object: {
-  activity: ActivityCreate
-  videoAP: VideoObject
-  byActor: ActorModel
-}): AcceptResult {
-  return { accepted: true }
-}
+// ---------------------------------------------------------------------------
 
+// Stub function that can be filtered by plugins
 function isRemoteVideoCommentAccepted (_object: {
-  activity: ActivityCreate
-  commentAP: VideoCommentObject
-  byActor: ActorModel
+  comment: MComment
 }): AcceptResult {
   return { accepted: true }
 }
 
+// ---------------------------------------------------------------------------
+
+// Stub function that can be filtered by plugins
 function isPreImportVideoAccepted (object: {
   videoImportBody: VideoImportCreate
   user: MUser
@@ -92,6 +94,7 @@ function isPreImportVideoAccepted (object: {
   return { accepted: true }
 }
 
+// Stub function that can be filtered by plugins
 function isPostImportVideoAccepted (object: {
   videoFilePath: PathLike
   videoFile: VideoFileModel
@@ -100,6 +103,8 @@ function isPostImportVideoAccepted (object: {
   return { accepted: true }
 }
 
+// ---------------------------------------------------------------------------
+
 async function createVideoAbuse (options: {
   baseAbuse: FilteredModelAttributes<AbuseModel>
   videoInstance: MVideoAccountLightBlacklistAllFiles
@@ -189,12 +194,13 @@ function createAccountAbuse (options: {
   })
 }
 
+// ---------------------------------------------------------------------------
+
 export {
   isLocalLiveVideoAccepted,
 
   isLocalVideoAccepted,
   isLocalVideoThreadAccepted,
-  isRemoteVideoAccepted,
   isRemoteVideoCommentAccepted,
   isLocalVideoCommentReplyAccepted,
   isPreImportVideoAccepted,