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-rw-r--r--app/lib/activitypub/activity.rb14
-rw-r--r--app/lib/activitypub/activity/announce.rb11
-rw-r--r--app/lib/activitypub/activity/create.rb12
-rw-r--r--spec/lib/activitypub/activity/announce_spec.rb1
4 files changed, 25 insertions, 13 deletions
diff --git a/app/lib/activitypub/activity.rb b/app/lib/activitypub/activity.rb
index 7e4e19531..3cf38764a 100644
--- a/app/lib/activitypub/activity.rb
+++ b/app/lib/activitypub/activity.rb
@@ -138,11 +138,13 @@ class ActivityPub::Activity
   def status_from_object
     # If the status is already known, return it
     status = status_from_uri(object_uri)
+
     return status unless status.nil?
 
     # If the boosted toot is embedded and it is a self-boost, handle it like a Create
     unless unsupported_object_type?
       actor_id = value_or_id(first_of_value(@object['attributedTo'])) || @account.uri
+
       if actor_id == @account.uri
         return ActivityPub::Activity.factory({ 'type' => 'Create', 'actor' => actor_id, 'object' => @object }, @account).perform
       end
@@ -166,4 +168,16 @@ class ActivityPub::Activity
   ensure
     redis.del(key)
   end
+
+  def fetch?
+    !@options[:delivery]
+  end
+
+  def followed_by_local_accounts?
+    @account.passive_relationships.exists?
+  end
+
+  def requested_through_relay?
+    @options[:relayed_through_account] && Relay.find_by(inbox_url: @options[:relayed_through_account].inbox_url)&.enabled?
+  end
 end
diff --git a/app/lib/activitypub/activity/announce.rb b/app/lib/activitypub/activity/announce.rb
index 04afeea20..28a1cda02 100644
--- a/app/lib/activitypub/activity/announce.rb
+++ b/app/lib/activitypub/activity/announce.rb
@@ -3,7 +3,8 @@
 class ActivityPub::Activity::Announce < ActivityPub::Activity
   def perform
     original_status = status_from_object
-    return if original_status.nil? || delete_arrived_first?(@json['id']) || !announceable?(original_status)
+
+    return if original_status.nil? || delete_arrived_first?(@json['id']) || !announceable?(original_status) || !related_to_local_activity?
 
     status = Status.find_by(account: @account, reblog: original_status)
 
@@ -39,4 +40,12 @@ class ActivityPub::Activity::Announce < ActivityPub::Activity
   def announceable?(status)
     status.account_id == @account.id || status.public_visibility? || status.unlisted_visibility?
   end
+
+  def related_to_local_activity?
+    followed_by_local_accounts? || requested_through_relay? || reblog_of_local_status?
+  end
+
+  def reblog_of_local_status?
+    status_from_uri(object_uri)&.account&.local?
+  end
 end
diff --git a/app/lib/activitypub/activity/create.rb b/app/lib/activitypub/activity/create.rb
index 1b31768d9..4fc37fb4b 100644
--- a/app/lib/activitypub/activity/create.rb
+++ b/app/lib/activitypub/activity/create.rb
@@ -341,18 +341,6 @@ class ActivityPub::Activity::Create < ActivityPub::Activity
       responds_to_followed_account? || addresses_local_accounts?
   end
 
-  def fetch?
-    !@options[:delivery]
-  end
-
-  def followed_by_local_accounts?
-    @account.passive_relationships.exists?
-  end
-
-  def requested_through_relay?
-    @options[:relayed_through_account] && Relay.find_by(inbox_url: @options[:relayed_through_account].inbox_url)&.enabled?
-  end
-
   def responds_to_followed_account?
     !replied_to_status.nil? && (replied_to_status.account.local? || replied_to_status.account.passive_relationships.exists?)
   end
diff --git a/spec/lib/activitypub/activity/announce_spec.rb b/spec/lib/activitypub/activity/announce_spec.rb
index 1725c2843..5e6f008ec 100644
--- a/spec/lib/activitypub/activity/announce_spec.rb
+++ b/spec/lib/activitypub/activity/announce_spec.rb
@@ -18,6 +18,7 @@ RSpec.describe ActivityPub::Activity::Announce do
   subject { described_class.new(json, sender) }
 
   before do
+    Fabricate(:account).follow!(sender)
     sender.update(uri: ActivityPub::TagManager.instance.uri_for(sender))
   end