Working on full support for retrieval of vanilla game files (libs, assets, client, etc)
Daniel Scalzi
parent
1e37ee005d
commit
a36ca5ba26
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@ -10,29 +10,189 @@ function Asset(from, to, size){
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this.size = size
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}
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exports.getMojangAssets = function(version, basePath){
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function AssetIndex(id, sha1, size, url, totalSize){
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this.id = id
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this.sha1 = sha1
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this.size = size
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this.url = url
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this.totalSize = totalSize
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}
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function ClientDownload(){
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}
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function ServerDownload(){
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}
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function Library(){
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}
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/**
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* This function will download the version index data and read it into a Javascript
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* Object. This object will then be returned.
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*/
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exports.parseVersionData = function(version, basePath){
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const name = version + '.json'
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const indexURL = 'https://s3.amazonaws.com/Minecraft.Download/indexes/' + name
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const baseURL = 'https://s3.amazonaws.com/Minecraft.Download/versions/' + version + '/' + name
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const versionPath = path.join(basePath, 'versions', version)
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return new Promise(function(fulfill, reject){
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request.head(baseURL, function(err, res, body){
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console.log('Preparing download of ' + version + ' assets.')
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mkpath.sync(versionPath)
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const stream = request(baseURL).pipe(fs.createWriteStream(path.join(versionPath, name)))
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stream.on('finish', function(){
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fulfill(JSON.parse(fs.readFileSync(path.join(versionPath, name))))
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})
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})
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})
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}
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/**
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* Download the client for version. This file is 'client.jar' although
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* it must be renamed to '{version}'.jar.
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*/
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exports.downloadClient = function(versionData, basePath){
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const dls = versionData['downloads']
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const clientData = dls['client']
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const url = clientData['url']
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const size = clientData['size']
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const version = versionData['id']
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const targetPath = path.join(basePath, 'versions', version)
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const targetFile = version + '.jar'
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request.head(url, function(err, res, body){
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console.log('Downloading ' + version + ' client..')
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mkpath.sync(targetPath)
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const stream = request(url).pipe(fs.createWriteStream(path.join(targetPath, targetFile)))
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stream.on('finish', function(){
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console.log('Finished downloading ' + version + ' client.')
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})
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})
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}
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exports.downloadLogConfig = function(versionData, basePath){
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const logging = versionData['logging']
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const client = logging['client']
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const file = client['file']
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const version = versionData['id']
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const targetPath = path.join(basePath, 'assets', 'log_configs')
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const name = file['id']
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const url = file['url']
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request.head(url, function(err, res, body){
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console.log('Downloading ' + version + ' log config..')
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mkpath.sync(targetPath)
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const stream = request(url).pipe(fs.createWriteStream(path.join(targetPath, name)))
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stream.on('finish', function(){
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console.log('Finished downloading ' + version + ' log config..')
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})
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})
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}
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exports.downloadLibraries = function(versionData, basePath){
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const libArr = versionData['libraries']
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const libPath = path.join(basePath, 'libraries')
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async.eachLimit(libArr, 1, function(lib, cb){
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if(validateRules(lib['rules'])){
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if(lib['natives'] == null){
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const dlInfo = lib['downloads']
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const artifact = dlInfo['artifact']
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const libSize = artifact['size']
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const to = path.join(libPath, artifact['path'])
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const from = artifact['url']
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mkpath.sync(path.join(to, ".."))
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let req = request(from)
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let writeStream = fs.createWriteStream(to)
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req.pipe(writeStream)
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let acc = 0;
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req.on('data', function(chunk){
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acc += chunk.length
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console.log('Progress', acc/libSize)
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})
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writeStream.on('close', function(){
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cb()
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})
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} else {
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//TODO Perform native extraction.
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}
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}
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}, function(err){
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if(err){
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console.log('A file failed to process');
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} else {
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console.log('All files have been processed successfully');
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}
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})
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}
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validateRules = function(rules){
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if(rules == null) return true;
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rules.forEach(function(rule){
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const action = rule['action']
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if(action != null){
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if(action === 'disallow'){
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osName = action['os']
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if(osName != null){
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if(osName === mojangFriendlyOS()){
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return false;
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}
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}
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}
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}
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})
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return true;
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}
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mojangFriendlyOS = function(){
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const opSys = process.platform
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if (opSys === 'darwin') {
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return 'osx'
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} else if (opSys === 'win32'){
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return 'windows'
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} else if (opSys === 'linux'){
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return 'linux'
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} else {
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return 'unknown_os'
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}
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}
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/**
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* Given an index url, this function will asynchonously download the
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* assets associated with that version.
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*/
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exports.downloadAssets = function(versionData, basePath){
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//Asset index constants.
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const assetIndex = versionData['assetIndex']
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const indexURL = assetIndex['url']
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const datasize = assetIndex['totalSize']
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const gameVersion = versionData['id']
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const assetVersion = assetIndex['id']
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const name = assetVersion + '.json'
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//Asset constants
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const resourceURL = 'http://resources.download.minecraft.net/'
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const localPath = path.join(basePath, 'assets')
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const indexPath = path.join(localPath, 'indexes')
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const objectPath = path.join(localPath, 'objects')
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request.head(indexURL, function (err, res, body) {
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console.log('Downloading ' + version + ' asset index.')
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console.log('Downloading ' + gameVersion + ' asset index.')
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mkpath.sync(indexPath)
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const stream = request(indexURL).pipe(fs.createWriteStream(path.join(indexPath, name)))
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stream.on('finish', function() {
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const data = JSON.parse(fs.readFileSync(path.join(indexPath, name), 'utf-8'))
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const assetArr = []
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let datasize = 0;
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Object.keys(data['objects']).forEach(function(key, index){
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const ob = data['objects'][key]
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const hash = String(ob['hash'])
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const assetName = path.join(hash.substring(0, 2), hash)
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const urlName = hash.substring(0, 2) + "/" + hash
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const ast = new Asset(resourceURL + urlName, path.join(objectPath, assetName), ob['size'])
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datasize += ob['size']
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assetArr.push(ast)
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})
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let acc = 0;
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15
index.js
15
index.js
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@ -18,7 +18,15 @@ function createWindow() {
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win.setMenu(null)
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//Code for testing, marked for removal one it's properly implemented.
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//require('./app/assets/js/assetdownload.js').getMojangAssets('1.11', path.join(__dirname, 'mcfiles'))
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/*const assetdl = require('./app/assets/js/assetdownload.js')
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const basePath = path.join(__dirname, 'mcfiles')
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const dataPromise = assetdl.parseVersionData('1.11.2', basePath)
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dataPromise.then(function(data){
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assetdl.downloadAssets(data, basePath)
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assetdl.downloadClient(data, basePath)
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assetdl.downloadLogConfig(data, basePath)
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assetdl.downloadLibraries(data, basePath)
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})*/
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win.on('closed', () => {
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win = null
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@ -26,9 +34,10 @@ function createWindow() {
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}
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function getPlatformIcon(filename){
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if (process.platform === 'darwin') {
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const opSys = process.platform
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if (opSys === 'darwin') {
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filename = filename + '.icns'
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} else if (process.platform === 'win32') {
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} else if (opSys === 'win32') {
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filename = filename + '.ico'
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} else {
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filename = filename + '.png'
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@ -20,5 +20,6 @@
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"async": "^2.3.0",
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"electron": "^1.6.5",
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"mojang": "^0.4.0",
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"promise": "^7.1.1"
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}
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}
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