Function extractHostname

lib/utils.js:33–41

(req)

}

function extractHostname (req) {
  var headers = req.headers
    , protocol = (req.connection.server instanceof tls.Server ||
                 (req.headers['x-forwarded-proto'] && req.headers['x-forwarded-proto'].slice(0,5) === 'https'))
               ? 'https://'
               : 'http://'
    , host = headers.host;
  return protocol + host;
}

function merge () {
  var mergeInto = {};