hometown/app/services/reblog_service.rb
Eugen Rochko 00840f4f2e Add handling of Linked Data Signatures in payloads (#4687)
* Add handling of Linked Data Signatures in payloads

* Add a way to sign JSON, fix canonicalization of signature options

* Fix signatureValue encoding, send out signed JSON when distributing

* Add missing security context
2017-08-26 13:47:38 +02:00

52 lines
1.7 KiB
Ruby

# frozen_string_literal: true
class ReblogService < BaseService
include Authorization
include StreamEntryRenderer
# Reblog a status and notify its remote author
# @param [Account] account Account to reblog from
# @param [Status] reblogged_status Status to be reblogged
# @return [Status]
def call(account, reblogged_status)
reblogged_status = reblogged_status.reblog if reblogged_status.reblog?
authorize_with account, reblogged_status, :reblog?
reblog = account.statuses.find_by(reblog: reblogged_status)
return reblog unless reblog.nil?
reblog = account.statuses.create!(reblog: reblogged_status, text: '')
DistributionWorker.perform_async(reblog.id)
Pubsubhubbub::DistributionWorker.perform_async(reblog.stream_entry.id)
ActivityPub::DistributionWorker.perform_async(reblog.id)
create_notification(reblog)
reblog
end
private
def create_notification(reblog)
reblogged_status = reblog.reblog
if reblogged_status.account.local?
NotifyService.new.call(reblogged_status.account, reblog)
elsif reblogged_status.account.ostatus?
NotificationWorker.perform_async(stream_entry_to_xml(reblog.stream_entry), reblog.account_id, reblogged_status.account_id)
elsif reblogged_status.account.activitypub?
ActivityPub::DeliveryWorker.perform_async(build_json(reblog), reblog.account_id, reblogged_status.account.inbox_url)
end
end
def build_json(reblog)
Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(
reblog,
serializer: ActivityPub::ActivitySerializer,
adapter: ActivityPub::Adapter
).as_json).sign!(reblog.account))
end
end