168 lines
4.0 KiB
JavaScript
168 lines
4.0 KiB
JavaScript
const fs = require("node:fs");
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const https = require("node:https");
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const path = require("node:path");
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const child_process = require("node:child_process");
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const crypto = require("node:crypto");
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const manifestURL = "https://cdn.plutonium.pw/updater/prod/info.json";
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var basePath = path.join(process.env["LOCALAPPDATA"], "Plutonium");
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function httpsGet(url) {
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return new Promise(function (resolve, reject) {
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var request = https.request(url, function (response) {
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var body = "";
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response.setEncoding("utf-8");
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response.on("data", function (chunk) {
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body += chunk;
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});
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response.on("end", function () {
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resolve({
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"status": response.statusCode,
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"headers": response.headers,
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"body": body
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});
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});
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});
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request.on("error", function (error) {
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reject(error.message);
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});
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request.end();
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});
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}
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function httpsDownload(url, filePath) {
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return new Promise(function (resolve, reject) {
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var fileDirectory = path.dirname(filePath);
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if (!fs.existsSync(fileDirectory)) {
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fs.mkdirSync(fileDirectory, {
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"recursive": true
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});
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}
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var fileWriter = fs.createWriteStream(filePath);
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var request = https.request(url, function (response) {
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var body = "";
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response.pipe(fileWriter);
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response.on("end", function () {
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resolve();
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});
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});
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request.on("error", function (error) {
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reject(error.message);
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fileWriter.close();
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});
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request.end();
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});
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}
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function getFileSHA1(filePath) {
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return new Promise(function (resolve, reject) {
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var fileStream = fs.createReadStream(filePath);
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var hash = crypto.createHash("sha1");
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hash.setEncoding("hex");
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fileStream.on("end", function () {
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hash.end();
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resolve(hash.read());
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});
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fileStream.pipe(hash);
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});
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}
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async function checkFiles(manifest) {
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var filesToDownload = [];
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for (var f = 0; f < manifest.files.length; f++) {
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var file = manifest.files[f];
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var filePath = path.join(basePath, ...(file.name.split("/")));
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if (!fs.existsSync(filePath)) {
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console.log("File " + file.name + " needs to be downloaded. ");
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filesToDownload.push(file);
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continue;
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}
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var sum = await getFileSHA1(filePath);
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if (sum !== file.hash) {
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console.log("File " + file.name + " needs to be downloaded again. ");
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filesToDownload.push(file);
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} else {
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console.log("File " + file.name + " doesn't need to be downloaded again. ");
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}
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}
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return filesToDownload;
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}
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async function downloadFiles(baseURL, files) {
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for (var f = 0; f < files.length; f++) {
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var file = files[f];
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var filePath = path.join(basePath, ...(file.name.split("/")));
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console.log("Downloading file " + file.name + "... ");
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await httpsDownload(baseURL + file.hash, filePath);
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}
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}
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function launchLauncher() {
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console.log("Launching the launcher ! ");
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var launcherPath = path.join(basePath, "bin", "plutonium-launcher-win32.exe");
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var subprocess = child_process.spawn(launcherPath, [], {
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"detached": true,
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"stdio": "ignore"
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});
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subprocess.on("spawn", function () {
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subprocess.unref();
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});
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}
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console.log("Getting manifest...");
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httpsGet(manifestURL).then(async function (response) {
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try {
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var data = JSON.parse(response.body);
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checkFiles(data).then(function (wrongFiles) {
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if (wrongFiles.length > 0) {
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console.log("We have " + wrongFiles.length + " files to download. ");
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downloadFiles(data.baseUrl, wrongFiles).then(function () {
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launchLauncher().then(function () {
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}).catch(function (error) {
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console.error("An error has occurred while opening the launcher. \n" + error.stack);
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});
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}).catch(function (error) {
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console.error("An error has occurred while downloading a file. \n" + error.stack);
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});
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} else {
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console.log("All files seem good ! ");
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}
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}).catch(function (error) {
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console.error("An error has occurred while checking the files. \n" + error.stack);
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});
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} catch (error) {
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console.error("An error has occurred while decoding the main manifest. \n" + error.stack);
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}
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}).catch(function (error) {
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console.error("An error has occurred while getting the main manifest. \n" + error.stack);
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});
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