X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Flib%2Factivitypub%2Fprocess%2Fprocess-undo.ts;h=99423a72bf80b6c5569e957e0570ca1d9a56cd97;hb=47d883de2efbc2e8b5f6f94ae18c15224cbe982b;hp=610b800fbe72b4f3a7898819fba51f2dd77f8103;hpb=7e9334c34db23e5ad1e118151b24c720dd985984;p=github%2FChocobozzz%2FPeerTube.git

diff --git a/server/lib/activitypub/process/process-undo.ts b/server/lib/activitypub/process/process-undo.ts
index 610b800fb..99423a72b 100644
--- a/server/lib/activitypub/process/process-undo.ts
+++ b/server/lib/activitypub/process/process-undo.ts
@@ -1,20 +1,43 @@
-import { ActivityUndo } from '../../../../shared/models/activitypub/activity'
+import { VideoModel } from '@server/models/video/video'
+import { ActivityAnnounce, ActivityFollow, ActivityLike, ActivityUndo, CacheFileObject } from '../../../../shared/models/activitypub'
+import { DislikeObject } from '../../../../shared/models/activitypub/objects'
+import { retryTransactionWrapper } from '../../../helpers/database-utils'
 import { logger } from '../../../helpers/logger'
-import { database as db } from '../../../initializers'
+import { sequelizeTypescript } from '../../../initializers/database'
+import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
+import { ActorModel } from '../../../models/actor/actor'
+import { ActorFollowModel } from '../../../models/actor/actor-follow'
+import { VideoRedundancyModel } from '../../../models/redundancy/video-redundancy'
+import { VideoShareModel } from '../../../models/video/video-share'
+import { APProcessorOptions } from '../../../types/activitypub-processor.model'
+import { MActorSignature } from '../../../types/models'
+import { forwardVideoRelatedActivity } from '../send/shared/send-utils'
+import { federateVideoIfNeeded, getOrCreateAPVideo } from '../videos'
 
-async function processUndoActivity (activity: ActivityUndo) {
+async function processUndoActivity (options: APProcessorOptions<ActivityUndo>) {
+  const { activity, byActor } = options
   const activityToUndo = activity.object
 
-  if (activityToUndo.type === 'Follow') {
-    const follower = await db.Account.loadByUrl(activity.actor)
-    const following = await db.Account.loadByUrl(activityToUndo.object)
-    const accountFollow = await db.AccountFollow.loadByAccountAndTarget(follower.id, following.id)
+  if (activityToUndo.type === 'Like') {
+    return retryTransactionWrapper(processUndoLike, byActor, activity)
+  }
 
-    if (!accountFollow) throw new Error(`'Unknown account follow ${follower.id} -> ${following.id}.`)
+  if (activityToUndo.type === 'Create') {
+    if (activityToUndo.object.type === 'CacheFile') {
+      return retryTransactionWrapper(processUndoCacheFile, byActor, activity)
+    }
+  }
 
-    await accountFollow.destroy()
+  if (activityToUndo.type === 'Dislike') {
+    return retryTransactionWrapper(processUndoDislike, byActor, activity)
+  }
 
-    return undefined
+  if (activityToUndo.type === 'Follow') {
+    return retryTransactionWrapper(processUndoFollow, byActor, activityToUndo)
+  }
+
+  if (activityToUndo.type === 'Announce') {
+    return retryTransactionWrapper(processUndoAnnounce, byActor, activityToUndo)
   }
 
   logger.warn('Unknown activity object type %s -> %s when undo activity.', activityToUndo.type, { activity: activity.id })
@@ -29,3 +52,121 @@ export {
 }
 
 // ---------------------------------------------------------------------------
+
+async function processUndoLike (byActor: MActorSignature, activity: ActivityUndo) {
+  const likeActivity = activity.object as ActivityLike
+
+  const { video: onlyVideo } = await getOrCreateAPVideo({ videoObject: likeActivity.object })
+  // We don't care about likes of remote videos
+  if (!onlyVideo.isOwned()) return
+
+  return sequelizeTypescript.transaction(async t => {
+    if (!byActor.Account) throw new Error('Unknown account ' + byActor.url)
+
+    const video = await VideoModel.loadFull(onlyVideo.id, t)
+    const rate = await AccountVideoRateModel.loadByAccountAndVideoOrUrl(byActor.Account.id, video.id, likeActivity.id, t)
+    if (!rate || rate.type !== 'like') {
+      logger.warn('Unknown like by account %d for video %d.', byActor.Account.id, video.id)
+      return
+    }
+
+    await rate.destroy({ transaction: t })
+    await video.decrement('likes', { transaction: t })
+
+    video.likes--
+    await federateVideoIfNeeded(video, false, t)
+  })
+}
+
+async function processUndoDislike (byActor: MActorSignature, activity: ActivityUndo) {
+  const dislike = activity.object.type === 'Dislike'
+    ? activity.object
+    : activity.object.object as DislikeObject
+
+  const { video: onlyVideo } = await getOrCreateAPVideo({ videoObject: dislike.object })
+  // We don't care about likes of remote videos
+  if (!onlyVideo.isOwned()) return
+
+  return sequelizeTypescript.transaction(async t => {
+    if (!byActor.Account) throw new Error('Unknown account ' + byActor.url)
+
+    const video = await VideoModel.loadFull(onlyVideo.id, t)
+    const rate = await AccountVideoRateModel.loadByAccountAndVideoOrUrl(byActor.Account.id, video.id, dislike.id, t)
+    if (!rate || rate.type !== 'dislike') {
+      logger.warn(`Unknown dislike by account %d for video %d.`, byActor.Account.id, video.id)
+      return
+    }
+
+    await rate.destroy({ transaction: t })
+    await video.decrement('dislikes', { transaction: t })
+    video.dislikes--
+
+    await federateVideoIfNeeded(video, false, t)
+  })
+}
+
+// ---------------------------------------------------------------------------
+
+async function processUndoCacheFile (byActor: MActorSignature, activity: ActivityUndo) {
+  const cacheFileObject = activity.object.object as CacheFileObject
+
+  const { video } = await getOrCreateAPVideo({ videoObject: cacheFileObject.object })
+
+  return sequelizeTypescript.transaction(async t => {
+    const cacheFile = await VideoRedundancyModel.loadByUrl(cacheFileObject.id, t)
+    if (!cacheFile) {
+      logger.debug('Cannot undo unknown video cache %s.', cacheFileObject.id)
+      return
+    }
+
+    if (cacheFile.actorId !== byActor.id) throw new Error('Cannot delete redundancy ' + cacheFile.url + ' of another actor.')
+
+    await cacheFile.destroy({ transaction: t })
+
+    if (video.isOwned()) {
+      // Don't resend the activity to the sender
+      const exceptions = [ byActor ]
+
+      await forwardVideoRelatedActivity(activity, t, exceptions, video)
+    }
+  })
+}
+
+function processUndoAnnounce (byActor: MActorSignature, announceActivity: ActivityAnnounce) {
+  return sequelizeTypescript.transaction(async t => {
+    const share = await VideoShareModel.loadByUrl(announceActivity.id, t)
+    if (!share) {
+      logger.warn('Unknown video share %d', announceActivity.id)
+      return
+    }
+
+    if (share.actorId !== byActor.id) throw new Error(`${share.url} is not shared by ${byActor.url}.`)
+
+    await share.destroy({ transaction: t })
+
+    if (share.Video.isOwned()) {
+      // Don't resend the activity to the sender
+      const exceptions = [ byActor ]
+
+      await forwardVideoRelatedActivity(announceActivity, t, exceptions, share.Video)
+    }
+  })
+}
+
+// ---------------------------------------------------------------------------
+
+function processUndoFollow (follower: MActorSignature, followActivity: ActivityFollow) {
+  return sequelizeTypescript.transaction(async t => {
+    const following = await ActorModel.loadByUrlAndPopulateAccountAndChannel(followActivity.object, t)
+    const actorFollow = await ActorFollowModel.loadByActorAndTarget(follower.id, following.id, t)
+
+    if (!actorFollow) {
+      logger.warn('Unknown actor follow %d -> %d.', follower.id, following.id)
+      return
+    }
+
+    await actorFollow.destroy({ transaction: t })
+
+    return undefined
+  })
+}