domotz-remote-pawn/src/utils/ip.js

Domotz Agent

var ipManager = function (resourceLocator) {
    var lodash = resourceLocator.lodash;

    function ipToNumber(ip) {
        return lodash.reduce(ip.split('.'), function (acc, octet) {
            return ((acc << 8) + parseInt(octet, 10)) >>> 0;
        }, 0);
    }

    function isIpInList(ipList, ip) {
        return ipList && ipList.includes(ip);
    }

    function isIpInRange(ipRange, ip){
        var ipNum = ipToNumber(ip);
        var parts = ipRange.split('-');
        var startIp = parts[0];
        var endIp;

        if (lodash.includes(parts[1], '.')) {
            endIp = parts[1];
        } else {
            var baseParts = startIp.split('.');
            baseParts[3] = parts[1];
            endIp = baseParts.join('.');
        }

        var startIpNum = ipToNumber(startIp);
        var endIpNum = ipToNumber(endIp);

        return ipNum >= startIpNum && ipNum <= endIpNum;
    }

    return {
        ipToNumber: ipToNumber,
        isIpInList: isIpInList,
        isIpInRange: isIpInRange,
    };
};

module.exports.factory = ipManager;