�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA��� ���7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!� �x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�bs[m�6�K4���O���.�4��%����/����b�C%��t ��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ ��Rn��~G���R���C����� �wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ ���R���IEND�B` /*! * 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 }