2016-09-26 10:42:38 -04:00
|
|
|
class FetchRemoteAccountService < BaseService
|
|
|
|
def call(url)
|
2016-09-29 15:28:21 -04:00
|
|
|
atom_url, body = FetchAtomService.new.call(url)
|
2016-09-26 10:42:38 -04:00
|
|
|
|
|
|
|
return nil if atom_url.nil?
|
|
|
|
return process_atom(atom_url, body)
|
|
|
|
end
|
|
|
|
|
|
|
|
private
|
|
|
|
|
|
|
|
def process_atom(url, body)
|
2016-11-13 13:12:40 -05:00
|
|
|
xml = Nokogiri::XML(body)
|
|
|
|
xml.encoding = 'utf-8'
|
|
|
|
|
2016-09-26 10:42:38 -04:00
|
|
|
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}"
|
|
|
|
|
2016-09-29 15:28:21 -04:00
|
|
|
return FollowRemoteAccountService.new.call("#{username}@#{domain}")
|
2016-10-23 05:56:04 -04:00
|
|
|
rescue TypeError
|
2016-10-12 13:25:46 -04:00
|
|
|
Rails.logger.debug "Unparseable URL given: #{url}"
|
2016-10-20 12:36:12 -04:00
|
|
|
nil
|
2016-10-05 07:26:44 -04:00
|
|
|
rescue Nokogiri::XML::XPath::SyntaxError
|
|
|
|
Rails.logger.debug "Invalid XML or missing namespace"
|
2016-10-20 12:36:12 -04:00
|
|
|
nil
|
2016-09-26 10:42:38 -04:00
|
|
|
end
|
|
|
|
end
|