224     (config['allowed_ips'] ||= []).include?(request.ip) or
 225       return err("Not allowed: #{request.ip}\n" \
 226                  "You need to put this IP in the 'allowed_ips' array "\
 227                  "in:\n #@@dir/config.yml")

AND


 259   def config
 260     @config ||= begin
 261       YAML.load(File.read("#@@dir/config.yml"))
 262     rescue Errno::ENOENT
 263       {}
 264     end
 265   end