38 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1.3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
# frozen_string_literal: true
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class Pubsubhubbub::DeliveryWorker
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  include Sidekiq::Worker
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  include RoutingHelper
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  sidekiq_options queue: 'push', retry: 3, dead: false
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  sidekiq_retry_in do |count|
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    5 * (count + 1)
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  end
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  def perform(subscription_id, payload)
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    subscription = Subscription.find(subscription_id)
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    headers      = {}
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    headers['User-Agent']      = 'Mastodon/PubSubHubbub'
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    headers['Link']            = LinkHeader.new([[api_push_url, [%w(rel hub)]], [account_url(subscription.account, format: :atom), [%w(rel self)]]]).to_s
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    headers['X-Hub-Signature'] = signature(subscription.secret, payload) unless subscription.secret.blank?
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    response = HTTP.timeout(:per_operation, write: 50, connect: 20, read: 50)
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                   .headers(headers)
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                   .post(subscription.callback_url, body: payload)
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    return subscription.destroy! if response.code > 299 && response.code < 500 && response.code != 429 # HTTP 4xx means error is not temporary, except for 429 (throttling)
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    raise "Delivery failed for #{subscription.callback_url}: HTTP #{response.code}" unless response.code > 199 && response.code < 300
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    subscription.touch(:last_successful_delivery_at)
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  end
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  private
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  def signature(secret, payload)
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    hmac = OpenSSL::HMAC.hexdigest(OpenSSL::Digest.new('sha1'), secret, payload)
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    "sha1=#{hmac}"
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  end
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end
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