# File lib/cloudfiles/container.rb, line 53
    def cdn_metadata
      return @cdn_metadata if @cdn_metadata
      if cdn_available?
        @cdn_metadata = (
          response = self.connection.cdn_request("HEAD", escaped_name)
          cdn_enabled = ((response["x-cdn-enabled"] || "").downcase == "true") ? true : false
          {
            :cdn_enabled => cdn_enabled,
            :cdn_ttl => cdn_enabled ? response["x-ttl"].to_i : nil,
            :cdn_url => cdn_enabled ? response["x-cdn-uri"] : nil,
            :cdn_ssl_url => cdn_enabled ? response["x-cdn-ssl-uri"] : nil,
            :cdn_streaming_url => cdn_enabled ? response["x-cdn-streaming-uri"] : nil,
            :user_agent_acl => response["x-user-agent-acl"],
            :referrer_acl => response["x-referrer-acl"],
            :cdn_log => (cdn_enabled and response["x-log-retention"] == "True") ? true : false
          }
        )
      else
        @cdn_metadata = {}
      end
    end