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# frozen_string_literal: true
class ResolveURLService < BaseService
include JsonLdHelper
include Authorization
def call(url, on_behalf_of: nil)
@url = url
@on_behalf_of = on_behalf_of
if local_url?
process_local_url
elsif !fetched_resource.nil?
process_url
end
end
private
def process_url
if equals_or_includes_any?(type, ActivityPub::FetchRemoteAccountService::SUPPORTED_TYPES)
ActivityPub::FetchRemoteAccountService.new.call(resource_url, prefetched_body: body)
elsif equals_or_includes_any?(type, ActivityPub::Activity::Create::SUPPORTED_TYPES + ActivityPub::Activity::Create::CONVERTED_TYPES)
status = FetchRemoteStatusService.new.call(resource_url, body)
authorize_with @on_behalf_of, status, :show? unless status.nil?
status
elsif fetched_resource.nil? && @on_behalf_of.present?
# It may happen that the resource is a private toot, and thus not fetchable,
# but we can return the toot if we already know about it.
status = Status.find_by(uri: @url) || Status.find_by(url: @url)
authorize_with @on_behalf_of, status, :show? unless status.nil?
status
end
end
def fetched_resource
@fetched_resource ||= FetchResourceService.new.call(@url)
end
def resource_url
fetched_resource.first
end
def body
fetched_resource.second[:prefetched_body]
end
def type
json_data['type']
end
def json_data
@json_data ||= body_to_json(body)
end
def local_url?
TagManager.instance.local_url?(@url)
end
def process_local_url
recognized_params = Rails.application.routes.recognize_path(@url)
return unless recognized_params[:action] == 'show'
if recognized_params[:controller] == 'statuses'
status = Status.find_by(id: recognized_params[:id])
check_local_status(status)
elsif recognized_params[:controller] == 'accounts'
Account.find_local(recognized_params[:username])
end
end
def check_local_status(status)
return if status.nil?
authorize_with @on_behalf_of, status, :show?
status
rescue Mastodon::NotPermittedError
nil
end
end
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