bq/corbel-composr

'use strict'

/* ************************************
  SanitizePath
**************************************/

/* *
 * Cleans up sloppy URLs on the request object, like /foo////bar/// to /foo/bar.
 * @private
 * @function strip
 * @param    {Object} path a url path to clean up
 * @returns  {String}
 */
function strip (path) {
  var cur
  var next
  var str = ''

  for (var i = 0; i < path.length; i++) {
    cur = path.charAt(i)

    if (i !== path.length - 1) {
      next = path.charAt(i + 1)
    }

    if (cur === '/' && (next === '/' || (next === '?' && i > 0))) {
      continue
    }

    str += cur
  }

  return (str)
}

/* *
 * @public
 * @function sanitizePath
 * @param    {Object}   options an options object
 * @returns  {Function}
 */

function sanitizePath (options) {
  function _sanitizePath (req, res, next) {
    req.url = strip(req.url)
    next()
  }

  return (_sanitizePath)
}

module.exports = sanitizePath