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# frozen_string_literal: true
class ActivityPub::DeliveryWorker
include Sidekiq::Worker
STOPLIGHT_FAILURE_THRESHOLD = 10
STOPLIGHT_COOLDOWN = 60
sidekiq_options queue: 'push', retry: 16, dead: false
HEADERS = { 'Content-Type' => 'application/activity+json' }.freeze
def perform(json, source_account_id, inbox_url, options = {})
return if DeliveryFailureTracker.unavailable?(inbox_url)
@options = options.with_indifferent_access
@json = json
@source_account = Account.find(source_account_id)
@inbox_url = inbox_url
perform_request
failure_tracker.track_success!
rescue => e
failure_tracker.track_failure!
raise e.class, "Delivery failed for #{inbox_url}: #{e.message}", e.backtrace[0]
end
private
def build_request
request = Request.new(:post, @inbox_url, body: @json)
request.on_behalf_of(@source_account, :uri, sign_with: @options[:sign_with])
request.add_headers(HEADERS)
end
def perform_request
light = Stoplight(@inbox_url) do
build_request.perform do |response|
raise Mastodon::UnexpectedResponseError, response unless response_successful?(response) || response_error_unsalvageable?(response)
end
end
light.with_threshold(STOPLIGHT_FAILURE_THRESHOLD)
.with_cool_off_time(STOPLIGHT_COOLDOWN)
.run
end
def response_successful?(response)
(200...300).cover?(response.code)
end
def response_error_unsalvageable?(response)
(400...500).cover?(response.code) && response.code != 429
end
def failure_tracker
@failure_tracker ||= DeliveryFailureTracker.new(@inbox_url)
end
end
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