Gab Social. All are welcome.

app/lib/activitypub/activity/accept.rb

@@ -0,0 +1,39 @@
+# frozen_string_literal: true
+
+class ActivityPub::Activity::Accept < ActivityPub::Activity
+  def perform
+    case @object['type']
+    when 'Follow'
+      accept_follow
+    end
+  end
+
+  private
+
+  def accept_follow
+    return accept_follow_for_relay if relay_follow?
+
+    target_account = account_from_uri(target_uri)
+
+    return if target_account.nil? || !target_account.local?
+
+    follow_request = FollowRequest.find_by(account: target_account, target_account: @account)
+    follow_request&.authorize!
+  end
+
+  def accept_follow_for_relay
+    relay.update!(state: :accepted)
+  end
+
+  def relay
+    @relay ||= Relay.find_by(follow_activity_id: object_uri) unless object_uri.nil?
+  end
+
+  def relay_follow?
+    relay.present?
+  end
+
+  def target_uri
+    @target_uri ||= value_or_id(@object['actor'])
+  end
+end