domotz-remote-pawn/src/discovery/nmap/blackList.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 27/08/15.
 */

module.exports.factory = function(fileUtils, configuration, interfacesBindingStorage) {

    function getDeviceToExcludeFilePath(discovery) {
        var defaultPath = process.env.DOMOTZ_CONF_DIR + '/devices_to_exclude.conf';
        return discovery && discovery.blacklist_file ? discovery.blacklist_file : defaultPath;
    }

    var filePath = getDeviceToExcludeFilePath(configuration.discovery),
        content = fileUtils.readFile(filePath),
        blackList = [],
        ipList = [];

    if (content) {
        content.toString('utf8').split('\n').forEach(function contentFilter(e) {
            console.silly('DISCOVERY - Processed elem: ' + e);
            if (e) {
                blackList.push(e.toUpperCase());
            }
        });
    }

    if (blackList.length) {
        console.info('DISCOVERY - Devices to be excluded from monitoring: %s', blackList.join(', '));
    } else {
        console.debug('DISCOVERY - No devices in blacklist');
    }

    return {
        getDeviceToExclude: function() {
            if (blackList.length !== ipList.length) {
                var devicesSnapshot = interfacesBindingStorage.getInterfaceInfo();
                for (var i = 0; i < blackList.length; i++) {
                    var mac = blackList[i];
                    var ip = devicesSnapshot[mac];
                    console.silly('DISCOVERY - LookUP of MAC [%s]. Found IP: %s', mac, ip);
                    if (ip) {
                        ipList.push(ip);
                    }
                }
            }
            return ipList;
        }
    };

};