1 files changed, 12 insertions, 1 deletions

diff --git a/server/models/activitypub/actor.ts b/server/models/activitypub/actor.ts
index ed7fcfe27..707f140af 100644
--- a/server/models/activitypub/actor.ts
+++ b/server/models/activitypub/actor.ts
@@ -13,7 +13,7 @@ import {
   isActorPublicKeyValid
 } from '../../helpers/custom-validators/activitypub/actor'
 import { isActivityPubUrlValid } from '../../helpers/custom-validators/activitypub/misc'
-import { ACTIVITY_PUB_ACTOR_TYPES, CONFIG, CONSTRAINTS_FIELDS } from '../../initializers'
+import { ACTIVITY_PUB, ACTIVITY_PUB_ACTOR_TYPES, CONFIG, CONSTRAINTS_FIELDS } from '../../initializers'
 import { AccountModel } from '../account/account'
 import { AvatarModel } from '../avatar/avatar'
 import { ServerModel } from '../server/server'
@@ -375,4 +375,15 @@ export class ActorModel extends Model<ActorModel> {
 
     return CONFIG.WEBSERVER.URL + this.Avatar.getWebserverPath()
   }
+
+  isOutdated () {
+    if (this.isOwned()) return false
+
+    const now = Date.now()
+    const createdAtTime = this.createdAt.getTime()
+    const updatedAtTime = this.updatedAt.getTime()
+
+    return (now - createdAtTime) > ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL &&
+      (now - updatedAtTime) > ACTIVITY_PUB.ACTOR_REFRESH_INTERVAL
+  }
 }