Merge branch 'release/2.1.0' into develop

[github/Chocobozzz/PeerTube.git] / server / lib / activitypub / process / process-follow.ts

diff --git a/server/lib/activitypub/process/process-follow.ts b/server/lib/activitypub/process/process-follow.ts
index 5085c5da9af690b7b90adeed282808234be5aa32..db7fb85684fb22d03676d6516149ab95a198e0c8 100644 (file)
--- a/server/lib/activitypub/process/process-follow.ts
+++ b/server/lib/activitypub/process/process-follow.ts
@@ -4,14 +4,20 @@ import { logger } from '../../../helpers/logger'
 import { sequelizeTypescript } from '../../../initializers'
 import { ActorModel } from '../../../models/activitypub/actor'
 import { ActorFollowModel } from '../../../models/activitypub/actor-follow'
-import { getOrCreateActorAndServerAndModel } from '../actor'
-import { sendAccept } from '../send'
+import { sendAccept, sendReject } from '../send'
+import { Notifier } from '../../notifier'
+import { getAPId } from '../../../helpers/activitypub'
+import { getServerActor } from '../../../helpers/utils'
+import { CONFIG } from '../../../initializers/config'
+import { APProcessorOptions } from '../../../typings/activitypub-processor.model'
+import { MActorFollowActors, MActorSignature } from '../../../typings/models'
+import { autoFollowBackIfNeeded } from '../follow'
 
-async function processFollowActivity (activity: ActivityFollow) {
-  const activityObject = activity.object
-  const actor = await getOrCreateActorAndServerAndModel(activity.actor)
+async function processFollowActivity (options: APProcessorOptions<ActivityFollow>) {
+  const { activity, byActor } = options
+  const activityObject = getAPId(activity.object)
 
-  return processFollow(actor, activityObject)
+  return retryTransactionWrapper(processFollow, byActor, activityObject)
 }
 
 // ---------------------------------------------------------------------------
@@ -22,46 +28,69 @@ export {
 
 // ---------------------------------------------------------------------------
 
-function processFollow (actor: ActorModel, targetActorURL: string) {
-  const options = {
-    arguments: [ actor, targetActorURL ],
-    errorMessage: 'Cannot follow with many retries.'
-  }
-
-  return retryTransactionWrapper(follow, options)
-}
-
-async function follow (actor: ActorModel, targetActorURL: string) {
-  await sequelizeTypescript.transaction(async t => {
-    const targetActor = await ActorModel.loadByUrl(targetActorURL, t)
+async function processFollow (byActor: MActorSignature, targetActorURL: string) {
+  const { actorFollow, created, isFollowingInstance, targetActor } = await sequelizeTypescript.transaction(async t => {
+    const targetActor = await ActorModel.loadByUrlAndPopulateAccountAndChannel(targetActorURL, t)
 
     if (!targetActor) throw new Error('Unknown actor')
     if (targetActor.isOwned() === false) throw new Error('This is not a local actor.')
 
-    const [ actorFollow ] = await ActorFollowModel.findOrCreate({
+    const serverActor = await getServerActor()
+    const isFollowingInstance = targetActor.id === serverActor.id
+
+    if (isFollowingInstance && CONFIG.FOLLOWERS.INSTANCE.ENABLED === false) {
+      logger.info('Rejecting %s because instance followers are disabled.', targetActor.url)
+
+      await sendReject(byActor, targetActor)
+
+      return { actorFollow: undefined as MActorFollowActors }
+    }
+
+    const [ actorFollow, created ] = await ActorFollowModel.findOrCreate<MActorFollowActors>({
       where: {
-        actorId: actor.id,
+        actorId: byActor.id,
         targetActorId: targetActor.id
       },
       defaults: {
-        actorId: actor.id,
+        actorId: byActor.id,
         targetActorId: targetActor.id,
-        state: 'accepted'
+        state: CONFIG.FOLLOWERS.INSTANCE.MANUAL_APPROVAL ? 'pending' : 'accepted'
       },
       transaction: t
     })
 
-    if (actorFollow.state !== 'accepted') {
+    // Set the follow as accepted if the remote actor follows a channel or account
+    // Or if the instance automatically accepts followers
+    if (actorFollow.state !== 'accepted' && (isFollowingInstance === false || CONFIG.FOLLOWERS.INSTANCE.MANUAL_APPROVAL === false)) {
       actorFollow.state = 'accepted'
       await actorFollow.save({ transaction: t })
     }
 
-    actorFollow.ActorFollower = actor
+    actorFollow.ActorFollower = byActor
     actorFollow.ActorFollowing = targetActor
 
     // Target sends to actor he accepted the follow request
-    return sendAccept(actorFollow, t)
+    if (actorFollow.state === 'accepted') {
+      await sendAccept(actorFollow)
+      await autoFollowBackIfNeeded(actorFollow)
+    }
+
+    return { actorFollow, created, isFollowingInstance, targetActor }
   })
 
-  logger.info('Actor %s is followed by actor %s.', targetActorURL, actor.url)
+  // Rejected
+  if (!actorFollow) return
+
+  if (created) {
+    const follower = await ActorModel.loadFull(byActor.id)
+    const actorFollowFull = Object.assign(actorFollow, { ActorFollowing: targetActor, ActorFollower: follower })
+
+    if (isFollowingInstance) {
+      Notifier.Instance.notifyOfNewInstanceFollow(actorFollowFull)
+    } else {
+      Notifier.Instance.notifyOfNewUserFollow(actorFollowFull)
+    }
+  }
+
+  logger.info('Actor %s is followed by actor %s.', targetActorURL, byActor.url)
 }