Disable PuSH for blocked domains

app/workers/pubsubhubbub/distribution_worker.rb

@@ -13,8 +13,11 @@ class Pubsubhubbub::DistributionWorker
     account  = stream_entry.account
     renderer = AccountsController.renderer.new(method: 'get', http_host: Rails.configuration.x.local_domain, https: Rails.configuration.x.use_https)
     payload  = renderer.render(:show, assigns: { account: account, entries: [stream_entry] }, formats: [:atom])
+    # domains  = account.followers_domains
 
-    Subscription.where(account: account).active.select('id').find_each do |subscription|
+    Subscription.where(account: account).active.select('id, callback_url').find_each do |subscription|
+      host = Addressable::URI.parse(subscription.callback_url).host
+      next if DomainBlock.blocked?(host) # || !domains.include?(host)
       Pubsubhubbub::DeliveryWorker.perform_async(subscription.id, payload)
     end
   rescue ActiveRecord::RecordNotFound