right_acf_interface.rb

def distribution_config_to_xml(config, xml_wrapper='DistributionConfig') # :nodoc:=
  cnames = ''
  logging = ''
  origin_access_identity = ''
  trusted_signers = ''
  # CNAMES
  unless config[:cnames].blank?
    Array(config[:cnames]).each { |cname| cnames += "  <CNAME>#{cname}</CNAME>\n" }
  end
  # Logging
  unless config[:logging].blank?
    logging = "  <Logging>\n" +
              "    <Bucket>#{config[:logging][:bucket]}</Bucket>\n" +
              "    <Prefix>#{config[:logging][:prefix]}</Prefix>\n" +
              "  </Logging>\n"
  end
  # Origin Access Identity
  unless config[:origin_access_identity].blank?
    origin_access_identity = config[:origin_access_identity]
    unless origin_access_identity[%r{^origin-access-identity}]
      origin_access_identity = "origin-access-identity/cloudfront/#{origin_access_identity}"
    end
    origin_access_identity = "  <OriginAccessIdentity>#{origin_access_identity}</OriginAccessIdentity>\n"
  end
  # Trusted Signers
  unless config[:trusted_signers].blank?
    trusted_signers = "  <TrustedSigners>\n"
    Array(config[:trusted_signers]).each do |trusted_signer|
      trusted_signers += if trusted_signer.to_s[/self/i]
                           "    <Self/>\n"
                         else
                           "    <AwsAccountNumber>#{trusted_signer}</AwsAccountNumber>\n"
                         end
    end
    trusted_signers += "  </TrustedSigners>\n"
  end
  
  # XML
  xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
  "<#{xml_wrapper} xmlns=\"http://#{@params[:server]}/doc/#{API_VERSION}/\">\n" +
  "  <Origin>#{config[:origin]}</Origin>\n" +
  "  <CallerReference>#{config[:caller_reference]}</CallerReference>\n" +
  "  <Comment>#{AcfInterface::escape(config[:comment].to_s)}</Comment>\n" +
  "  <Enabled>#{config[:enabled]}</Enabled>\n" +
  cnames  +
  logging +
  origin_access_identity +
  trusted_signers +
  "</#{xml_wrapper}>"
  puts xml
  xml
end