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-rw-r--r--app/workers/pubsubhubbub/delivery_worker.rb4
1 files changed, 4 insertions, 0 deletions
diff --git a/app/workers/pubsubhubbub/delivery_worker.rb b/app/workers/pubsubhubbub/delivery_worker.rb
index 15005bc80..8412be4b7 100644
--- a/app/workers/pubsubhubbub/delivery_worker.rb
+++ b/app/workers/pubsubhubbub/delivery_worker.rb
@@ -13,6 +13,9 @@ class Pubsubhubbub::DeliveryWorker
   def perform(subscription_id, payload)
     subscription = Subscription.find(subscription_id)
     headers      = {}
+    host         = Addressable::URI.parse(subscription.callback_url).host
+
+    return if DomainBlock.blocked?(host)
 
     headers['User-Agent']      = 'Mastodon/PubSubHubbub'
     headers['Link']            = LinkHeader.new([[api_push_url, [%w(rel hub)]], [account_url(subscription.account, format: :atom), [%w(rel self)]]]).to_s
@@ -22,6 +25,7 @@ class Pubsubhubbub::DeliveryWorker
                    .headers(headers)
                    .post(subscription.callback_url, body: payload)
 
+    return subscription.destroy! if response.code > 299 && response.code < 500 && response.code != 429 # HTTP 4xx means error is not temporary, except for 429 (throttling)
     raise "Delivery failed for #{subscription.callback_url}: HTTP #{response.code}" unless response.code > 199 && response.code < 300
 
     subscription.touch(:last_successful_delivery_at)