domotz-remote-pawn/src/network_tools/netinfo_utils.js

Domotz Agent

/** This file is part of Domotz Agent.
 * Copyright (C) 2016  Domotz Ltd
 *
 * Domotz Agent is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Domotz Agent is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Domotz Agent.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Created by Tommaso Latini <tommaso@domotz.com> on 04/01/17.
 */

const PRINTABLE_CHAR = /[^\x20-\x7E]/g;

function parseDHCPDiscoverOutput(script, results) {
    var data = {};
    var lines = results.toString().split(/\n/);
    lines.forEach(function (item) {
        if (item.indexOf(script) > 0) {
            var json = item.slice(item.indexOf(script) + script.length + 2).replace(PRINTABLE_CHAR, '');
            try {
                data = JSON.parse(json);
            } catch (e) {
                console.warn(e.message);
            }
            return data;
        }
    });
    return data;
}

function parseResolvConf(data) {
    var dnsServers = [];
    data.split(/\r?\n/).every(function (item) {
        var fields = item.split(/[ \t]+/);
        if (fields[0] === "nameserver") {
            dnsServers.push(fields[1]);
            return false;
        }
        return true;
    });
    return dnsServers;
}

function parseWhoisOutput(data) {
    var results = {};
    var lines = data.split(/\r?\n/);
    lines.every(function (item) {
        var fields = item.split(/: +/);
        if (fields[0] === "country") {
            results.country = fields[1];
            return false;
        }
        if (fields[0] === "inetnum") {
            results.inetnum = fields[1];
        }
        if (fields[0] === "descr") {
            results.descr = fields[1];
        }
        if (fields[0] === "netname") {
            results.netname = fields[1];
        }
        return true;
    });
    return results;
}

module.exports.parseDHCPDiscoverOutput = parseDHCPDiscoverOutput;
module.exports.parseResolvConf = parseResolvConf;
module.exports.parseWhoisOutput = parseWhoisOutput;