X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=server%2Flib%2Factivitypub%2Fprocess%2Fprocess-undo.ts;h=c091d96788e8de7084c481c8821f4b96f5e922fb;hb=e587e0ecee5bec43a225995948faaa4bc97f080a;hp=5d09423e1046202a51e87268cc2c1de8f584a7b3;hpb=54141398354e6e7b94aa3065a705a1251390111c;p=github%2FChocobozzz%2FPeerTube.git

diff --git a/server/lib/activitypub/process/process-undo.ts b/server/lib/activitypub/process/process-undo.ts
index 5d09423e1..c091d9678 100644
--- a/server/lib/activitypub/process/process-undo.ts
+++ b/server/lib/activitypub/process/process-undo.ts
@@ -1,20 +1,41 @@
-import { ActivityUndo } from '../../../../shared/models/activitypub/activity'
+import { ActivityAnnounce, ActivityFollow, ActivityLike, ActivityUndo, CacheFileObject } from '../../../../shared/models/activitypub'
+import { DislikeObject } from '../../../../shared/models/activitypub/objects'
+import { getActorUrl } from '../../../helpers/activitypub'
+import { retryTransactionWrapper } from '../../../helpers/database-utils'
 import { logger } from '../../../helpers/logger'
-import { database as db } from '../../../initializers'
+import { sequelizeTypescript } from '../../../initializers'
+import { AccountModel } from '../../../models/account/account'
+import { AccountVideoRateModel } from '../../../models/account/account-video-rate'
+import { ActorModel } from '../../../models/activitypub/actor'
+import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
+import { forwardVideoRelatedActivity } from '../send/utils'
+import { getOrCreateVideoAndAccountAndChannel } from '../videos'
+import { VideoShareModel } from '../../../models/video/video-share'
+import { VideoRedundancyModel } from '../../../models/redundancy/video-redundancy'
 
-async function processUndoActivity (activity: ActivityUndo) {
+async function processUndoActivity (activity: ActivityUndo, byActor: ActorModel) {
   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)
+  const actorUrl = getActorUrl(activity.actor)
 
-    if (!accountFollow) throw new Error(`'Unknown account follow (${follower.id} -> ${following.id}.`)
+  if (activityToUndo.type === 'Like') {
+    return retryTransactionWrapper(processUndoLike, actorUrl, activity)
+  }
 
-    await accountFollow.destroy()
+  if (activityToUndo.type === 'Create') {
+    if (activityToUndo.object.type === 'Dislike') {
+      return retryTransactionWrapper(processUndoDislike, actorUrl, activity)
+    } else if (activityToUndo.object.type === 'CacheFile') {
+      return retryTransactionWrapper(processUndoCacheFile, 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 +50,102 @@ export {
 }
 
 // ---------------------------------------------------------------------------
+
+async function processUndoLike (actorUrl: string, activity: ActivityUndo) {
+  const likeActivity = activity.object as ActivityLike
+
+  const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: likeActivity.object })
+
+  return sequelizeTypescript.transaction(async t => {
+    const byAccount = await AccountModel.loadByUrl(actorUrl, t)
+    if (!byAccount) throw new Error('Unknown account ' + actorUrl)
+
+    const rate = await AccountVideoRateModel.load(byAccount.id, video.id, t)
+    if (!rate) throw new Error(`Unknown rate by account ${byAccount.id} for video ${video.id}.`)
+
+    await rate.destroy({ transaction: t })
+    await video.decrement('likes', { transaction: t })
+
+    if (video.isOwned()) {
+      // Don't resend the activity to the sender
+      const exceptions = [ byAccount.Actor ]
+
+      await forwardVideoRelatedActivity(activity, t, exceptions, video)
+    }
+  })
+}
+
+async function processUndoDislike (actorUrl: string, activity: ActivityUndo) {
+  const dislike = activity.object.object as DislikeObject
+
+  const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: dislike.object })
+
+  return sequelizeTypescript.transaction(async t => {
+    const byAccount = await AccountModel.loadByUrl(actorUrl, t)
+    if (!byAccount) throw new Error('Unknown account ' + actorUrl)
+
+    const rate = await AccountVideoRateModel.load(byAccount.id, video.id, t)
+    if (!rate) throw new Error(`Unknown rate by account ${byAccount.id} for video ${video.id}.`)
+
+    await rate.destroy({ transaction: t })
+    await video.decrement('dislikes', { transaction: t })
+
+    if (video.isOwned()) {
+      // Don't resend the activity to the sender
+      const exceptions = [ byAccount.Actor ]
+
+      await forwardVideoRelatedActivity(activity, t, exceptions, video)
+    }
+  })
+}
+
+async function processUndoCacheFile (byActor: ActorModel, activity: ActivityUndo) {
+  const cacheFileObject = activity.object.object as CacheFileObject
+
+  const { video } = await getOrCreateVideoAndAccountAndChannel({ videoObject: cacheFileObject.object })
+
+  return sequelizeTypescript.transaction(async t => {
+    const cacheFile = await VideoRedundancyModel.loadByUrl(cacheFileObject.id)
+    if (!cacheFile) throw new Error('Unknown video cache ' + cacheFile.url)
+
+    await cacheFile.destroy()
+
+    if (video.isOwned()) {
+      // Don't resend the activity to the sender
+      const exceptions = [ byActor ]
+
+      await forwardVideoRelatedActivity(activity, t, exceptions, video)
+    }
+  })
+}
+
+function processUndoFollow (follower: ActorModel, 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) throw new Error(`'Unknown actor follow ${follower.id} -> ${following.id}.`)
+
+    await actorFollow.destroy({ transaction: t })
+
+    return undefined
+  })
+}
+
+function processUndoAnnounce (byActor: ActorModel, announceActivity: ActivityAnnounce) {
+  return sequelizeTypescript.transaction(async t => {
+    const share = await VideoShareModel.loadByUrl(announceActivity.id, t)
+    if (!share) throw new Error(`Unknown video share ${announceActivity.id}.`)
+
+    if (share.actorId !== byActor.id) throw new Error(`${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)
+    }
+  })
+}