forked from fedi/mastodon
50 lines
1.7 KiB
Ruby
50 lines
1.7 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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host = Addressable::URI.parse(subscription.callback_url).normalize.host
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return if DomainBlock.blocked?(host)
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headers['User-Agent'] = 'Mastodon/PubSubHubbub'
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headers['Content-Type'] = 'application/atom+xml'
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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) if subscription.secret?
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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_failed_permanently?(response) # 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_successful?(response)
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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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def response_failed_permanently?(response)
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response.code > 299 && response.code < 500 && response.code != 429
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end
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def response_successful?(response)
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response.code > 199 && response.code < 300
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end
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end
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