mastodon-glitch/app/services/fetch_remote_status_service.rb

45 lines
1.2 KiB
Ruby

# frozen_string_literal: true
class FetchRemoteStatusService < BaseService
include AuthorExtractor
def call(url, prefetched_body = nil)
if prefetched_body.nil?
atom_url, body = FetchAtomService.new.call(url)
else
atom_url = url
body = prefetched_body
end
return nil if atom_url.nil?
process_atom(atom_url, body)
end
private
def process_atom(url, body)
Rails.logger.debug "Processing Atom for remote status at #{url}"
xml = Nokogiri::XML(body)
xml.encoding = 'utf-8'
account = author_from_xml(xml.at_xpath('/xmlns:entry', xmlns: TagManager::XMLNS))
domain = Addressable::URI.parse(url).normalize.host
return nil unless !account.nil? && confirmed_domain?(domain, account)
statuses = ProcessFeedService.new.call(body, account)
statuses.first
rescue Nokogiri::XML::XPath::SyntaxError
Rails.logger.debug 'Invalid XML or missing namespace'
nil
rescue Goldfinger::NotFoundError, Goldfinger::Error
Rails.logger.debug 'Exceptions related to Goldfinger occurs'
nil
end
def confirmed_domain?(domain, account)
account.domain.nil? || domain.casecmp(account.domain).zero? || domain.casecmp(Addressable::URI.parse(account.remote_url).normalize.host).zero?
end
end