mastodon/app/workers/webhooks/delivery_worker.rb

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# frozen_string_literal: true
class Webhooks::DeliveryWorker
include Sidekiq::Worker
include JsonLdHelper
sidekiq_options queue: 'push', retry: 16, dead: false
def perform(webhook_id, body)
@webhook = Webhook.find(webhook_id)
@body = @webhook.template.blank? ? body : Webhooks::PayloadRenderer.new(body).render(@webhook.template)
@response = nil
perform_request
rescue ActiveRecord::RecordNotFound
true
end
private
def perform_request
request = Request.new(:post, @webhook.url, body: @body, allow_local: true)
request.add_headers(
'Content-Type' => 'application/json',
'X-Hub-Signature' => "sha256=#{signature}"
)
request.perform do |response|
raise Mastodon::UnexpectedResponseError, response unless response_successful?(response) || response_error_unsalvageable?(response)
end
end
def signature
OpenSSL::HMAC.hexdigest(OpenSSL::Digest.new('sha256'), @webhook.secret, @body)
end
end