domotz-remote-pawn/src/discovery/ports/udp/parser.js

Domotz Agent

/** This file is part of Domotz Agent.
 * Copyright (C) 2021 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 a.lulli@domotz.com on 28/04/2021.
 */

module.exports = function (result, statusMapping) {
    try {
        if (!statusMapping) {
            statusMapping = {};
        }

        if (result.nmaprun.runstats[0].hosts[0].$.up === '0') {
            throw new Error('Host seems down');
        }
        var tmp = [];
        result.nmaprun.host.forEach(function (host) {
            var ports = host.ports[0].port;
            if (ports === undefined || ports.length === 0) {
                return;
            }
            for (var i = 0; i < ports.length; i++) {
                var currentPort = ports[i];
                if (!currentPort.state) {
                    continue;
                }
                var status = currentPort.state[0].$.state.toUpperCase();
                if (status in statusMapping) {
                    status = statusMapping[status];
                }
                tmp[parseInt(currentPort.$.portid, 10)] = {
                    port: currentPort.$.portid,
                    status: status,
                };
            }
        });

        var output = {
            udp_ports: [],
        };
        tmp.forEach(function (port) {
            output.udp_ports.push(port);
        });

        return output;
    } catch (err) {
        throw new Error('Error during parsing: ' + err.message);
    }
};