mirror of https://github.com/mastodon/mastodon
91 lines
2.0 KiB
Ruby
91 lines
2.0 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class Pubsubhubbub::ConfirmationWorker
|
|
include Sidekiq::Worker
|
|
include RoutingHelper
|
|
|
|
sidekiq_options queue: 'push', retry: false
|
|
|
|
attr_reader :subscription, :mode, :secret, :lease_seconds
|
|
|
|
def perform(subscription_id, mode, secret = nil, lease_seconds = nil)
|
|
@subscription = Subscription.find(subscription_id)
|
|
@mode = mode
|
|
@secret = secret
|
|
@lease_seconds = lease_seconds
|
|
process_confirmation
|
|
end
|
|
|
|
private
|
|
|
|
def process_confirmation
|
|
prepare_subscription
|
|
|
|
confirm_callback
|
|
logger.debug "Confirming PuSH subscription for #{subscription.callback_url} with challenge #{challenge}: #{callback_response_body}"
|
|
|
|
update_subscription
|
|
end
|
|
|
|
def update_subscription
|
|
if successful_subscribe?
|
|
subscription.save!
|
|
elsif successful_unsubscribe?
|
|
subscription.destroy!
|
|
end
|
|
end
|
|
|
|
def successful_subscribe?
|
|
subscribing? && response_matches_challenge?
|
|
end
|
|
|
|
def successful_unsubscribe?
|
|
(unsubscribing? && response_matches_challenge?) || !subscription.confirmed?
|
|
end
|
|
|
|
def response_matches_challenge?
|
|
callback_response_body == challenge
|
|
end
|
|
|
|
def subscribing?
|
|
mode == 'subscribe'
|
|
end
|
|
|
|
def unsubscribing?
|
|
mode == 'unsubscribe'
|
|
end
|
|
|
|
def confirm_callback
|
|
@_confirm_callback ||= callback_get_with_params
|
|
end
|
|
|
|
def callback_get_with_params
|
|
HTTP.headers(user_agent: 'Mastodon/PubSubHubbub')
|
|
.timeout(:per_operation, write: 20, connect: 20, read: 50)
|
|
.get(subscription.callback_url, params: callback_params)
|
|
end
|
|
|
|
def callback_response_body
|
|
confirm_callback.body.to_s
|
|
end
|
|
|
|
def callback_params
|
|
{
|
|
'hub.topic' => account_url(subscription.account, format: :atom),
|
|
'hub.mode' => mode,
|
|
'hub.challenge' => challenge,
|
|
'hub.lease_seconds' => subscription.lease_seconds,
|
|
}
|
|
end
|
|
|
|
def prepare_subscription
|
|
subscription.secret = secret
|
|
subscription.lease_seconds = lease_seconds
|
|
subscription.confirmed = true
|
|
end
|
|
|
|
def challenge
|
|
@_challenge ||= SecureRandom.hex
|
|
end
|
|
end
|