forked from treehouse/mastodon
48 lines
1.1 KiB
Ruby
48 lines
1.1 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
class FetchRemoteStatusService < BaseService
|
|
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 = extract_author(url, xml)
|
|
|
|
return nil if account.nil?
|
|
|
|
statuses = ProcessFeedService.new.call(body, account)
|
|
|
|
statuses.first
|
|
end
|
|
|
|
def extract_author(url, xml)
|
|
url_parts = Addressable::URI.parse(url)
|
|
username = xml.at_xpath('//xmlns:author/xmlns:name').try(:content)
|
|
domain = url_parts.host
|
|
|
|
return nil if username.nil?
|
|
|
|
Rails.logger.debug "Going to webfinger #{username}@#{domain}"
|
|
|
|
return FollowRemoteAccountService.new.call("#{username}@#{domain}")
|
|
rescue Nokogiri::XML::XPath::SyntaxError
|
|
Rails.logger.debug 'Invalid XML or missing namespace'
|
|
nil
|
|
end
|
|
end
|