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106 lines
3.6 KiB
106 lines
3.6 KiB
const {execSync} = require("child_process");
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// const {promisify} = require("util");
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// const promisifiedExec = promisify(exec);
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const process = require("process");
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module.exports.checkSudo = function () {
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return process.getuid && process.getuid() == 0 ? true : false;
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};
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module.exports.checkNodeVersion = function () {
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const currentApropriateVersion = 14, nodeVersion = process.versions.node.split('.');
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return +nodeVersion[0] > currentApropriateVersion ? true : false;
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};
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module.exports.checkPlatform = function () {
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// https://nodejs.org/api/process.html#process_process_platform
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return process.platform == "linux" ? true : false;
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};
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// module.exports.getDistroInfo = async function () {
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// let current = {
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// distributorID: null, distributorVersion: null
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// };
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// try {
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// // check version
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// let {stdout, stderr} = await promisifiedExec('lsb_release -i -r');
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// if (stderr) {
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// throw new Error(`Error while checking Linux distribution information: ${stderr}`);
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// };
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// if (stdout) {
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// // sanitize
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// let parsed = stdout
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// .split(/\r|\n/gi) // remove break lines
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// .map(x => x.replace(/\s/gi, "")) // remove spaces, only remains [e.g. DistributorID:Ubuntu]
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// .filter(x => x); // filter empty string
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// let findDistributorID = parsed.find(val => val.match(/^(DistributorID)/gi));
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// let findReleaseVersion = parsed.find(val => val.match(/^(Release)/gi));
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// if (findDistributorID) {
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// let splitViaColon = findDistributorID.split(/(:)/gi);
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// if (splitViaColon) current.distributorID = splitViaColon.pop().toLowerCase();
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// };
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// if (findReleaseVersion) {
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// let splitViaColon = findReleaseVersion.split(/(:)/gi);
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// if (splitViaColon) current.distributorVersion = splitViaColon.pop().toLowerCase();
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// };
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// };
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// } catch {};
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// return current;
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// };
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module.exports.checkPlatformExact = function () {
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// let distroInfo = await this.getDistroInfo();
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// if (!distroInfo?.distributorID || !distroInfo?.distributorVersion) {
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// throw new Error("Missing distro platform information.");
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// };
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// // https://en.wikipedia.org/wiki/Uncomplicated_Firewall
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// let platform = distroInfo.distributorID;
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// if (String(platform).toLowerCase() !== "ubuntu") {
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// throw new Error("node-ufw only supported on Ubuntu.");
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// };
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// return true;
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try {
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return execSync("cat /etc/*release | grep -E ^NAME")?.toString("utf-8").split('=').pop().replace(/(")/gi, "").toLowerCase() == "ubuntu" ? true : false;
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} catch (e) {
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console.error(e);
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return false;
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};
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};
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module.exports.checkAppropriatePort = function(port) {
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const portLimit = Math.round(2 ** 16 - 1);
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if (typeof port !== "number") throw new Error("The port must be type of number.");
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return (port > 0 || port <= portLimit) ? true : false;
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};
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module.exports.checkAppropriateIP = function(address) {
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if (typeof address !== "string") {
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throw new Error("The address must be type of string.");
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};
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// https://blog.markhatton.co.uk/2011/03/15/regular-expressions-for-ip-addresses-cidr-ranges-and-hostnames/
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// also support subnet/net mask
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let regex = new RegExp(/^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])(\/(3[0-2]|[1-2][0-9]|[0-9]))?$/gi);
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return address.match(regex) !== null ? true : false;
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};
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// soon to be continued
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// module.exports.checkPlatformVersion = function () {
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// let distroInfo = this.getDistroInfo();
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// if (!distroInfo?.distributorID || !distroInfo?.distributorVersion) {
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// throw new Error("Missing distro platform information.");
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// };
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// };
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