FM / forwarded

/var/www/qr4y.com/server/delivery/node_modules/forwarded/

/var/www/qr4y.com/server/delivery/node_modules/forwarded

Name	Size	Mode	Actions
HISTORY.md	400	0644	edit dl rm
index.js	1578	0644	edit dl rm
LICENSE	1094	0644	edit dl rm
package.json	2194	0644	edit dl rm
README.md	1654	0644	edit dl rm

Edit: /var/www/qr4y.com/server/delivery/node_modules/forwarded/index.js (1578B)

/*!
 * forwarded
 * Copyright(c) 2014-2017 Douglas Christopher Wilson
 * MIT Licensed
 */

'use strict'

/**
 * Module exports.
 * @public
 */

module.exports = forwarded

/**
 * Get all addresses in the request, using the `X-Forwarded-For` header.
 *
 * @param {object} req
 * @return {array}
 * @public
 */

function forwarded (req) {
  if (!req) {
    throw new TypeError('argument req is required')
  }

// simple header parsing
  var proxyAddrs = parse(req.headers['x-forwarded-for'] || '')
  var socketAddr = getSocketAddr(req)
  var addrs = [socketAddr].concat(proxyAddrs)

// return all addresses
  return addrs
}

/**
 * Get the socket address for a request.
 *
 * @param {object} req
 * @return {string}
 * @private
 */

function getSocketAddr (req) {
  return req.socket
    ? req.socket.remoteAddress
    : req.connection.remoteAddress
}

/**
 * Parse the X-Forwarded-For header.
 *
 * @param {string} header
 * @private
 */

function parse (header) {
  var end = header.length
  var list = []
  var start = header.length

// gather addresses, backwards
  for (var i = header.length - 1; i >= 0; i--) {
    switch (header.charCodeAt(i)) {
      case 0x20: /*   */
        if (start === end) {
          start = end = i
        }
        break
      case 0x2c: /* , */
        if (start !== end) {
          list.push(header.substring(start, end))
        }
        start = end = i
        break
      default:
        start = i
        break
    }
  }

// final address
  if (start !== end) {
    list.push(header.substring(start, end))
  }

return list
}

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