PNG  IHDR;IDATxܻn0K )(pA 7LeG{ §㻢|ذaÆ 6lذaÆ 6lذaÆ 6lom$^yذag5bÆ 6lذaÆ 6lذa{ 6lذaÆ `}HFkm,mӪôô! x|'ܢ˟;E:9&ᶒ}{v]n&6 h_tڠ͵-ҫZ;Z$.Pkž)!o>}leQfJTu іچ\X=8Rن4`Vwl>nG^is"ms$ui?wbs[m6K4O.4%/bC%t Mז -lG6mrz2s%9s@-k9=)kB5\+͂Zsٲ Rn~GRC wIcIn7jJhۛNCS|j08yiHKֶۛkɈ+;SzL/F*\Ԕ#"5m2[S=gnaPeғL lذaÆ 6l^ḵaÆ 6lذaÆ 6lذa; _ذaÆ 6lذaÆ 6lذaÆ RIENDB` /*! * 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 }