domotz-remote-pawn

Version:
Domotz Agent
82 lines (71 loc) • 2.9 kB
JavaScript
/** This file is part of Domotz Agent.
 * Copyright (C) 2024 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 Andrea Azzara <a.azzara@domotz.com> on 18/01/2024.
 */

var lodash = require('lodash');

function netgearJamStateManager(log) {
    var myConsole = log.decorateLogs();
    var utils = require('./netgearUtils').utils();
    var blockedMACAddresses = [];
    return {
        storeRules: function (macAddresses) {
            blockedMACAddresses = macAddresses;
        },
        getBlockedMACAddresses: function () {
            return blockedMACAddresses;
        },
        calculateDiff: function (currentlyBlockedDevices, devicesToBlock) {
            /*
             * devicesToBlock example
             *
             * {
             *   mac1: [ip1, ip2],
             *   mac2: [ip3, ip2],
             * }
             *
             * */

            myConsole.info('Calculating diff %s %s', JSON.stringify(currentlyBlockedDevices), JSON.stringify(devicesToBlock));

            var lockedDeviceKeys = [];
            var keysToBlock = [];

            lodash.forOwn(devicesToBlock, function (ips, mac) {
                ips.forEach(function (ip) {
                    var key = utils.generateFirewallKey(mac, ip);
                    lockedDeviceKeys.push(key);
                    if (currentlyBlockedDevices.indexOf(key) === -1) {
                        keysToBlock.push(key);
                    } else {
                        myConsole.debug('Device %s already blocked', key);
                    }
                });
            });

            var newKeys = lodash.concat(lockedDeviceKeys, keysToBlock);

            myConsole.debug(
                'Locked devices %s, Keys to block %s, New keys %s',
                JSON.stringify(lockedDeviceKeys),
                JSON.stringify(keysToBlock),
                JSON.stringify(newKeys)
            );

            var keysToUnblock = lodash.difference(currentlyBlockedDevices, newKeys);
            myConsole.info('Devices to be unlocked %s', JSON.stringify(keysToUnblock));

            return {
                keysToUnblock: keysToUnblock,
                keysToBlock: keysToBlock,
            };
        },
    };
}

module.exports.netgearJamStateManager = netgearJamStateManager;