mirror of
https://github.com/dscalzi/HeliosLauncher.git
synced 2024-10-31 19:36:39 -07:00
1257 lines
44 KiB
JavaScript
1257 lines
44 KiB
JavaScript
// Requirements
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const async = require('async')
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const child_process = require('child_process')
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const crypto = require('crypto')
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const EventEmitter = require('events')
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const fs = require('fs-extra')
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const { LoggerUtil } = require('helios-core')
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const nodeDiskInfo = require('node-disk-info')
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const StreamZip = require('node-stream-zip')
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const path = require('path')
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const Registry = require('winreg')
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const request = require('request')
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const tar = require('tar-fs')
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const zlib = require('zlib')
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const isDev = require('./isdev')
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const isARM64 = process.arch === 'arm64'
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// Classes
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/** Class representing a base asset. */
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class Asset {
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/**
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* Create an asset.
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*
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* @param {any} id The id of the asset.
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* @param {string} hash The hash value of the asset.
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* @param {number} size The size in bytes of the asset.
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* @param {string} from The url where the asset can be found.
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* @param {string} to The absolute local file path of the asset.
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*/
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constructor(id, hash, size, from, to){
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this.id = id
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this.hash = hash
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this.size = size
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this.from = from
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this.to = to
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}
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}
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/**
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* Class representing a download tracker. This is used to store meta data
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* about a download queue, including the queue itself.
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*/
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class DLTracker {
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/**
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* Create a DLTracker
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*
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* @param {Array.<Asset>} dlqueue An array containing assets queued for download.
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* @param {number} dlsize The combined size of each asset in the download queue array.
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* @param {function(Asset)} callback Optional callback which is called when an asset finishes downloading.
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*/
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constructor(dlqueue, dlsize, callback = null){
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this.dlqueue = dlqueue
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this.dlsize = dlsize
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this.callback = callback
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}
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}
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class Util {
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/**
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* Returns true if the actual version is greater than
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* or equal to the desired version.
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*
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* @param {string} desired The desired version.
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* @param {string} actual The actual version.
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*/
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static mcVersionAtLeast(desired, actual){
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const des = desired.split('.')
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const act = actual.split('.')
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for(let i=0; i<des.length; i++){
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if(!(parseInt(act[i]) >= parseInt(des[i]))){
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return false
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}
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}
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return true
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}
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static isForgeGradle3(mcVersion, forgeVersion) {
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if(Util.mcVersionAtLeast('1.13', mcVersion)) {
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return true
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}
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try {
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const forgeVer = forgeVersion.split('-')[1]
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const maxFG2 = [14, 23, 5, 2847]
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const verSplit = forgeVer.split('.').map(v => Number(v))
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for(let i=0; i<maxFG2.length; i++) {
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if(verSplit[i] > maxFG2[i]) {
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return true
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} else if(verSplit[i] < maxFG2[i]) {
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return false
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}
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}
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return false
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} catch(err) {
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throw new Error('Forge version is complex (changed).. launcher requires a patch.')
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}
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}
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static isAutoconnectBroken(forgeVersion) {
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const minWorking = [31, 2, 15]
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const verSplit = forgeVersion.split('.').map(v => Number(v))
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if(verSplit[0] === 31) {
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for(let i=0; i<minWorking.length; i++) {
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if(verSplit[i] > minWorking[i]) {
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return false
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} else if(verSplit[i] < minWorking[i]) {
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return true
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}
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}
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}
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return false
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}
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}
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class JavaGuard extends EventEmitter {
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constructor(mcVersion){
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super()
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this.mcVersion = mcVersion
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this.logger = LoggerUtil.getLogger('JavaGuard')
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}
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/**
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* @typedef OpenJDKData
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* @property {string} uri The base uri of the JRE.
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* @property {number} size The size of the download.
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* @property {string} name The name of the artifact.
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*/
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/**
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* Fetch the last open JDK binary.
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*
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* HOTFIX: Uses Corretto 8 for macOS.
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* See: https://github.com/dscalzi/HeliosLauncher/issues/70
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* See: https://github.com/AdoptOpenJDK/openjdk-support/issues/101
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*
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* @param {string} major The major version of Java to fetch.
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*
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* @returns {Promise.<OpenJDKData>} Promise which resolved to an object containing the JRE download data.
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*/
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static _latestOpenJDK(major = '8'){
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if(process.platform === 'darwin') {
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return this._latestCorretto(major)
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} else {
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return this._latestAdoptium(major)
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}
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}
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static _latestAdoptium(major) {
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const majorNum = Number(major)
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const sanitizedOS = process.platform === 'win32' ? 'windows' : (process.platform === 'darwin' ? 'mac' : process.platform)
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const url = `https://api.adoptium.net/v3/assets/latest/${major}/hotspot?vendor=eclipse`
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return new Promise((resolve, reject) => {
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request({url, json: true}, (err, resp, body) => {
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if(!err && body.length > 0){
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const targetBinary = body.find(entry => {
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return entry.version.major === majorNum
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&& entry.binary.os === sanitizedOS
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&& entry.binary.image_type === 'jdk'
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&& entry.binary.architecture === 'x64'
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})
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if(targetBinary != null) {
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resolve({
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uri: targetBinary.binary.package.link,
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size: targetBinary.binary.package.size,
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name: targetBinary.binary.package.name
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})
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} else {
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resolve(null)
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}
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} else {
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resolve(null)
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}
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})
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})
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}
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static _latestCorretto(major) {
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let sanitizedOS, ext
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switch(process.platform) {
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case 'win32':
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sanitizedOS = 'windows'
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ext = 'zip'
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break
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case 'darwin':
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sanitizedOS = 'macos'
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ext = 'tar.gz'
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break
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case 'linux':
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sanitizedOS = 'linux'
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ext = 'tar.gz'
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break
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default:
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sanitizedOS = process.platform
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ext = 'tar.gz'
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break
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}
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const arch = isARM64 ? 'aarch64' : 'x64'
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const url = `https://corretto.aws/downloads/latest/amazon-corretto-${major}-${arch}-${sanitizedOS}-jdk.${ext}`
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return new Promise((resolve, reject) => {
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request.head({url, json: true}, (err, resp) => {
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if(!err && resp.statusCode === 200){
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resolve({
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uri: url,
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size: parseInt(resp.headers['content-length']),
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name: url.substr(url.lastIndexOf('/')+1)
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})
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} else {
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resolve(null)
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}
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})
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})
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}
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/**
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* Returns the path of the OS-specific executable for the given Java
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* installation. Supported OS's are win32, darwin, linux.
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*
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* @param {string} rootDir The root directory of the Java installation.
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* @returns {string} The path to the Java executable.
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*/
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static javaExecFromRoot(rootDir){
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if(process.platform === 'win32'){
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return path.join(rootDir, 'bin', 'javaw.exe')
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} else if(process.platform === 'darwin'){
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return path.join(rootDir, 'Contents', 'Home', 'bin', 'java')
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} else if(process.platform === 'linux'){
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return path.join(rootDir, 'bin', 'java')
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}
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return rootDir
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}
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/**
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* Check to see if the given path points to a Java executable.
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*
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* @param {string} pth The path to check against.
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* @returns {boolean} True if the path points to a Java executable, otherwise false.
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*/
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static isJavaExecPath(pth){
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if(pth == null) {
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return false
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}
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if(process.platform === 'win32'){
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return pth.endsWith(path.join('bin', 'javaw.exe'))
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} else if(process.platform === 'darwin'){
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return pth.endsWith(path.join('bin', 'java'))
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} else if(process.platform === 'linux'){
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return pth.endsWith(path.join('bin', 'java'))
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}
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return false
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}
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/**
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* Load Mojang's launcher.json file.
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*
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* @returns {Promise.<Object>} Promise which resolves to Mojang's launcher.json object.
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*/
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static loadMojangLauncherData(){
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return new Promise((resolve, reject) => {
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request.get('https://launchermeta.mojang.com/mc/launcher.json', (err, resp, body) => {
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if(err){
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resolve(null)
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} else {
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resolve(JSON.parse(body))
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}
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})
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})
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}
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/**
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* Parses a **full** Java Runtime version string and resolves
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* the version information. Dynamically detects the formatting
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* to use.
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*
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* @param {string} verString Full version string to parse.
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* @returns Object containing the version information.
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*/
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static parseJavaRuntimeVersion(verString){
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const major = verString.split('.')[0]
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if(major == 1){
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return JavaGuard._parseJavaRuntimeVersion_8(verString)
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} else {
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return JavaGuard._parseJavaRuntimeVersion_9(verString)
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}
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}
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/**
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* Parses a **full** Java Runtime version string and resolves
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* the version information. Uses Java 8 formatting.
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*
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* @param {string} verString Full version string to parse.
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* @returns Object containing the version information.
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*/
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static _parseJavaRuntimeVersion_8(verString){
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// 1.{major}.0_{update}-b{build}
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// ex. 1.8.0_152-b16
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const ret = {}
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let pts = verString.split('-')
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ret.build = parseInt(pts[1].substring(1))
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pts = pts[0].split('_')
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ret.update = parseInt(pts[1])
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ret.major = parseInt(pts[0].split('.')[1])
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return ret
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}
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/**
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* Parses a **full** Java Runtime version string and resolves
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* the version information. Uses Java 9+ formatting.
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*
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* @param {string} verString Full version string to parse.
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* @returns Object containing the version information.
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*/
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static _parseJavaRuntimeVersion_9(verString){
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// {major}.{minor}.{revision}+{build}
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// ex. 10.0.2+13
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const ret = {}
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let pts = verString.split('+')
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ret.build = parseInt(pts[1])
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pts = pts[0].split('.')
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ret.major = parseInt(pts[0])
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ret.minor = parseInt(pts[1])
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ret.revision = parseInt(pts[2])
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return ret
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}
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/**
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* Validates the output of a JVM's properties. Currently validates that a JRE is x64
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* and that the major = 8, update > 52.
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*
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* @param {string} stderr The output to validate.
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*
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* @returns {Promise.<Object>} A promise which resolves to a meta object about the JVM.
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* The validity is stored inside the `valid` property.
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*/
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_validateJVMProperties(stderr){
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const res = stderr
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const props = res.split('\n')
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const goal = 2
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let checksum = 0
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const meta = {}
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for(let i=0; i<props.length; i++){
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if(props[i].indexOf('sun.arch.data.model') > -1){
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let arch = props[i].split('=')[1].trim()
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arch = parseInt(arch)
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this.logger.debug(props[i].trim())
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if(arch === 64){
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meta.arch = arch
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++checksum
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if(checksum === goal){
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break
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}
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}
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} else if(props[i].indexOf('java.runtime.version') > -1){
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let verString = props[i].split('=')[1].trim()
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this.logger.debug(props[i].trim())
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const verOb = JavaGuard.parseJavaRuntimeVersion(verString)
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// TODO implement a support matrix eventually. Right now this is good enough
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// 1.7-1.16 = Java 8
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// 1.17+ = Java 17
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// Actual support may vary, but we're going with this rule for simplicity.
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if(verOb.major < 9){
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// Java 8
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if(!Util.mcVersionAtLeast('1.17', this.mcVersion)){
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if(verOb.major === 8 && verOb.update > 52){
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meta.version = verOb
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++checksum
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if(checksum === goal){
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break
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}
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}
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}
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} else if(verOb.major >= 17) {
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// Java 9+
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if(Util.mcVersionAtLeast('1.17', this.mcVersion)){
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meta.version = verOb
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++checksum
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if(checksum === goal){
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break
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}
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}
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}
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// Space included so we get only the vendor.
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} else if(props[i].lastIndexOf('java.vendor ') > -1) {
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let vendorName = props[i].split('=')[1].trim()
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this.logger.debug(props[i].trim())
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meta.vendor = vendorName
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} else if (props[i].indexOf('os.arch') > -1) {
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meta.isARM = props[i].split('=')[1].trim() === 'aarch64'
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}
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}
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meta.valid = checksum === goal
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return meta
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}
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/**
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* Validates that a Java binary is at least 64 bit. This makes use of the non-standard
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* command line option -XshowSettings:properties. The output of this contains a property,
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* sun.arch.data.model = ARCH, in which ARCH is either 32 or 64. This option is supported
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* in Java 8 and 9. Since this is a non-standard option. This will resolve to true if
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* the function's code throws errors. That would indicate that the option is changed or
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* removed.
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*
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* @param {string} binaryExecPath Path to the java executable we wish to validate.
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*
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* @returns {Promise.<Object>} A promise which resolves to a meta object about the JVM.
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* The validity is stored inside the `valid` property.
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*/
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_validateJavaBinary(binaryExecPath){
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return new Promise((resolve, reject) => {
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if(!JavaGuard.isJavaExecPath(binaryExecPath)){
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resolve({valid: false})
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} else if(fs.existsSync(binaryExecPath)){
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// Workaround (javaw.exe no longer outputs this information.)
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this.logger.debug(typeof binaryExecPath)
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if(binaryExecPath.indexOf('javaw.exe') > -1) {
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binaryExecPath.replace('javaw.exe', 'java.exe')
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}
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child_process.exec('"' + binaryExecPath + '" -XshowSettings:properties', (err, stdout, stderr) => {
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try {
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// Output is stored in stderr?
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resolve(this._validateJVMProperties(stderr))
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} catch (err){
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// Output format might have changed, validation cannot be completed.
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resolve({valid: false})
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}
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})
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} else {
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resolve({valid: false})
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}
|
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})
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|
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}
|
|
|
|
/**
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|
* Checks for the presence of the environment variable JAVA_HOME. If it exits, we will check
|
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* to see if the value points to a path which exists. If the path exits, the path is returned.
|
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*
|
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* @returns {string} The path defined by JAVA_HOME, if it exists. Otherwise null.
|
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*/
|
|
static _scanJavaHome(){
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const jHome = process.env.JAVA_HOME
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try {
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let res = fs.existsSync(jHome)
|
|
return res ? jHome : null
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|
} catch (err) {
|
|
// Malformed JAVA_HOME property.
|
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return null
|
|
}
|
|
}
|
|
|
|
/**
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|
* Scans the registry for 64-bit Java entries. The paths of each entry are added to
|
|
* a set and returned. Currently, only Java 8 (1.8) is supported.
|
|
*
|
|
* @returns {Promise.<Set.<string>>} A promise which resolves to a set of 64-bit Java root
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* paths found in the registry.
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*/
|
|
static _scanRegistry(){
|
|
|
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return new Promise((resolve, reject) => {
|
|
// Keys for Java v9.0.0 and later:
|
|
// 'SOFTWARE\\JavaSoft\\JRE'
|
|
// 'SOFTWARE\\JavaSoft\\JDK'
|
|
// Forge does not yet support Java 9, therefore we do not.
|
|
|
|
// Keys for Java 1.8 and prior:
|
|
const regKeys = [
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'\\SOFTWARE\\JavaSoft\\Java Runtime Environment',
|
|
'\\SOFTWARE\\JavaSoft\\Java Development Kit'
|
|
]
|
|
|
|
let keysDone = 0
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|
|
|
const candidates = new Set()
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|
|
|
for(let i=0; i<regKeys.length; i++){
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const key = new Registry({
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hive: Registry.HKLM,
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key: regKeys[i],
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arch: 'x64'
|
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})
|
|
key.keyExists((err, exists) => {
|
|
if(exists) {
|
|
key.keys((err, javaVers) => {
|
|
if(err){
|
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keysDone++
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console.error(err)
|
|
|
|
// REG KEY DONE
|
|
// DUE TO ERROR
|
|
if(keysDone === regKeys.length){
|
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resolve(candidates)
|
|
}
|
|
} else {
|
|
if(javaVers.length === 0){
|
|
// REG KEY DONE
|
|
// NO SUBKEYS
|
|
keysDone++
|
|
if(keysDone === regKeys.length){
|
|
resolve(candidates)
|
|
}
|
|
} else {
|
|
|
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let numDone = 0
|
|
|
|
for(let j=0; j<javaVers.length; j++){
|
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const javaVer = javaVers[j]
|
|
const vKey = javaVer.key.substring(javaVer.key.lastIndexOf('\\')+1)
|
|
// Only Java 8 is supported currently.
|
|
if(parseFloat(vKey) === 1.8){
|
|
javaVer.get('JavaHome', (err, res) => {
|
|
const jHome = res.value
|
|
if(jHome.indexOf('(x86)') === -1){
|
|
candidates.add(jHome)
|
|
}
|
|
|
|
// SUBKEY DONE
|
|
|
|
numDone++
|
|
if(numDone === javaVers.length){
|
|
keysDone++
|
|
if(keysDone === regKeys.length){
|
|
resolve(candidates)
|
|
}
|
|
}
|
|
})
|
|
} else {
|
|
|
|
// SUBKEY DONE
|
|
// NOT JAVA 8
|
|
|
|
numDone++
|
|
if(numDone === javaVers.length){
|
|
keysDone++
|
|
if(keysDone === regKeys.length){
|
|
resolve(candidates)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
})
|
|
} else {
|
|
|
|
// REG KEY DONE
|
|
// DUE TO NON-EXISTANCE
|
|
|
|
keysDone++
|
|
if(keysDone === regKeys.length){
|
|
resolve(candidates)
|
|
}
|
|
}
|
|
})
|
|
}
|
|
|
|
})
|
|
|
|
}
|
|
|
|
/**
|
|
* See if JRE exists in the Internet Plug-Ins folder.
|
|
*
|
|
* @returns {string} The path of the JRE if found, otherwise null.
|
|
*/
|
|
static _scanInternetPlugins(){
|
|
// /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home/bin/java
|
|
const pth = '/Library/Internet Plug-Ins/JavaAppletPlugin.plugin'
|
|
const res = fs.existsSync(JavaGuard.javaExecFromRoot(pth))
|
|
return res ? pth : null
|
|
}
|
|
|
|
/**
|
|
* Scan a directory for root JVM folders.
|
|
*
|
|
* @param {string} scanDir The directory to scan.
|
|
* @returns {Promise.<Set.<string>>} A promise which resolves to a set of the discovered
|
|
* root JVM folders.
|
|
*/
|
|
static async _scanFileSystem(scanDir){
|
|
|
|
let res = new Set()
|
|
|
|
if(await fs.pathExists(scanDir)) {
|
|
|
|
const files = await fs.readdir(scanDir)
|
|
for(let i=0; i<files.length; i++){
|
|
|
|
const combinedPath = path.join(scanDir, files[i])
|
|
const execPath = JavaGuard.javaExecFromRoot(combinedPath)
|
|
|
|
if(await fs.pathExists(execPath)) {
|
|
res.add(combinedPath)
|
|
}
|
|
}
|
|
}
|
|
|
|
return res
|
|
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @param {Set.<string>} rootSet A set of JVM root strings to validate.
|
|
* @returns {Promise.<Object[]>} A promise which resolves to an array of meta objects
|
|
* for each valid JVM root directory.
|
|
*/
|
|
async _validateJavaRootSet(rootSet){
|
|
|
|
const rootArr = Array.from(rootSet)
|
|
const validArr = []
|
|
|
|
for(let i=0; i<rootArr.length; i++){
|
|
|
|
const execPath = JavaGuard.javaExecFromRoot(rootArr[i])
|
|
const metaOb = await this._validateJavaBinary(execPath)
|
|
|
|
if(metaOb.valid){
|
|
metaOb.execPath = execPath
|
|
validArr.push(metaOb)
|
|
}
|
|
|
|
}
|
|
|
|
return validArr
|
|
|
|
}
|
|
|
|
/**
|
|
* Sort an array of JVM meta objects. Best candidates are placed before all others.
|
|
* Sorts based on version and gives priority to JREs over JDKs if versions match.
|
|
*
|
|
* @param {Object[]} validArr An array of JVM meta objects.
|
|
* @returns {Object[]} A sorted array of JVM meta objects.
|
|
*/
|
|
static _sortValidJavaArray(validArr){
|
|
const retArr = validArr.sort((a, b) => {
|
|
|
|
if(a.version.major === b.version.major){
|
|
|
|
if(a.version.major < 9){
|
|
// Java 8
|
|
if(a.version.update === b.version.update){
|
|
if(a.version.build === b.version.build){
|
|
|
|
// Same version, give priority to JRE.
|
|
if(a.execPath.toLowerCase().indexOf('jdk') > -1){
|
|
return b.execPath.toLowerCase().indexOf('jdk') > -1 ? 0 : 1
|
|
} else {
|
|
return -1
|
|
}
|
|
|
|
} else {
|
|
return a.version.build > b.version.build ? -1 : 1
|
|
}
|
|
} else {
|
|
return a.version.update > b.version.update ? -1 : 1
|
|
}
|
|
} else {
|
|
// Java 9+
|
|
if(a.version.minor === b.version.minor){
|
|
if(a.version.revision === b.version.revision){
|
|
|
|
// Same version, give priority to JRE.
|
|
if(a.execPath.toLowerCase().indexOf('jdk') > -1){
|
|
return b.execPath.toLowerCase().indexOf('jdk') > -1 ? 0 : 1
|
|
} else {
|
|
return -1
|
|
}
|
|
|
|
} else {
|
|
return a.version.revision > b.version.revision ? -1 : 1
|
|
}
|
|
} else {
|
|
return a.version.minor > b.version.minor ? -1 : 1
|
|
}
|
|
}
|
|
|
|
} else {
|
|
return a.version.major > b.version.major ? -1 : 1
|
|
}
|
|
})
|
|
|
|
return retArr
|
|
}
|
|
|
|
/**
|
|
* Attempts to find a valid x64 installation of Java on Windows machines.
|
|
* Possible paths will be pulled from the registry and the JAVA_HOME environment
|
|
* variable. The paths will be sorted with higher versions preceeding lower, and
|
|
* JREs preceeding JDKs. The binaries at the sorted paths will then be validated.
|
|
* The first validated is returned.
|
|
*
|
|
* Higher versions > Lower versions
|
|
* If versions are equal, JRE > JDK.
|
|
*
|
|
* @param {string} dataDir The base launcher directory.
|
|
* @returns {Promise.<string>} A Promise which resolves to the executable path of a valid
|
|
* x64 Java installation. If none are found, null is returned.
|
|
*/
|
|
async _win32JavaValidate(dataDir){
|
|
|
|
// Get possible paths from the registry.
|
|
let pathSet1 = await JavaGuard._scanRegistry()
|
|
if(pathSet1.size === 0){
|
|
|
|
// Do a manual file system scan of program files.
|
|
// Check all drives
|
|
const driveMounts = nodeDiskInfo.getDiskInfoSync().map(({ mounted }) => mounted)
|
|
for(const mount of driveMounts) {
|
|
pathSet1 = new Set([
|
|
...pathSet1,
|
|
...(await JavaGuard._scanFileSystem(`${mount}\\Program Files\\Java`)),
|
|
...(await JavaGuard._scanFileSystem(`${mount}\\Program Files\\Eclipse Adoptium`)),
|
|
...(await JavaGuard._scanFileSystem(`${mount}\\Program Files\\Eclipse Foundation`)),
|
|
...(await JavaGuard._scanFileSystem(`${mount}\\Program Files\\AdoptOpenJDK`))
|
|
])
|
|
}
|
|
|
|
}
|
|
|
|
// Get possible paths from the data directory.
|
|
const pathSet2 = await JavaGuard._scanFileSystem(path.join(dataDir, 'runtime', 'x64'))
|
|
|
|
// Merge the results.
|
|
const uberSet = new Set([...pathSet1, ...pathSet2])
|
|
|
|
// Validate JAVA_HOME.
|
|
const jHome = JavaGuard._scanJavaHome()
|
|
if(jHome != null && jHome.indexOf('(x86)') === -1){
|
|
uberSet.add(jHome)
|
|
}
|
|
|
|
let pathArr = await this._validateJavaRootSet(uberSet)
|
|
pathArr = JavaGuard._sortValidJavaArray(pathArr)
|
|
|
|
if(pathArr.length > 0){
|
|
return pathArr[0].execPath
|
|
} else {
|
|
return null
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Attempts to find a valid x64 installation of Java on MacOS.
|
|
* The system JVM directory is scanned for possible installations.
|
|
* The JAVA_HOME enviroment variable and internet plugins directory
|
|
* are also scanned and validated.
|
|
*
|
|
* Higher versions > Lower versions
|
|
* If versions are equal, JRE > JDK.
|
|
*
|
|
* @param {string} dataDir The base launcher directory.
|
|
* @returns {Promise.<string>} A Promise which resolves to the executable path of a valid
|
|
* x64 Java installation. If none are found, null is returned.
|
|
*
|
|
* Added: On the system with ARM architecture attempts to find aarch64 Java.
|
|
*
|
|
*/
|
|
async _darwinJavaValidate(dataDir){
|
|
|
|
const pathSet1 = await JavaGuard._scanFileSystem('/Library/Java/JavaVirtualMachines')
|
|
const pathSet2 = await JavaGuard._scanFileSystem(path.join(dataDir, 'runtime', 'x64'))
|
|
|
|
const uberSet = new Set([...pathSet1, ...pathSet2])
|
|
|
|
// Check Internet Plugins folder.
|
|
const iPPath = JavaGuard._scanInternetPlugins()
|
|
if(iPPath != null){
|
|
uberSet.add(iPPath)
|
|
}
|
|
|
|
// Check the JAVA_HOME environment variable.
|
|
let jHome = JavaGuard._scanJavaHome()
|
|
if(jHome != null){
|
|
// Ensure we are at the absolute root.
|
|
if(jHome.contains('/Contents/Home')){
|
|
jHome = jHome.substring(0, jHome.indexOf('/Contents/Home'))
|
|
}
|
|
uberSet.add(jHome)
|
|
}
|
|
|
|
let pathArr = await this._validateJavaRootSet(uberSet)
|
|
pathArr = JavaGuard._sortValidJavaArray(pathArr)
|
|
|
|
if(pathArr.length > 0){
|
|
|
|
// TODO Revise this a bit, seems to work for now. Discovery logic should
|
|
// probably just filter out the invalid architectures before it even
|
|
// gets to this point.
|
|
if (isARM64) {
|
|
return pathArr.find(({ isARM }) => isARM)?.execPath ?? null
|
|
} else {
|
|
return pathArr.find(({ isARM }) => !isARM)?.execPath ?? null
|
|
}
|
|
|
|
} else {
|
|
return null
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Attempts to find a valid x64 installation of Java on Linux.
|
|
* The system JVM directory is scanned for possible installations.
|
|
* The JAVA_HOME enviroment variable is also scanned and validated.
|
|
*
|
|
* Higher versions > Lower versions
|
|
* If versions are equal, JRE > JDK.
|
|
*
|
|
* @param {string} dataDir The base launcher directory.
|
|
* @returns {Promise.<string>} A Promise which resolves to the executable path of a valid
|
|
* x64 Java installation. If none are found, null is returned.
|
|
*/
|
|
async _linuxJavaValidate(dataDir){
|
|
|
|
const pathSet1 = await JavaGuard._scanFileSystem('/usr/lib/jvm')
|
|
const pathSet2 = await JavaGuard._scanFileSystem(path.join(dataDir, 'runtime', 'x64'))
|
|
|
|
const uberSet = new Set([...pathSet1, ...pathSet2])
|
|
|
|
// Validate JAVA_HOME
|
|
const jHome = JavaGuard._scanJavaHome()
|
|
if(jHome != null){
|
|
uberSet.add(jHome)
|
|
}
|
|
|
|
let pathArr = await this._validateJavaRootSet(uberSet)
|
|
pathArr = JavaGuard._sortValidJavaArray(pathArr)
|
|
|
|
if(pathArr.length > 0){
|
|
return pathArr[0].execPath
|
|
} else {
|
|
return null
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Retrieve the path of a valid x64 Java installation.
|
|
*
|
|
* @param {string} dataDir The base launcher directory.
|
|
* @returns {string} A path to a valid x64 Java installation, null if none found.
|
|
*/
|
|
async validateJava(dataDir){
|
|
return await this['_' + process.platform + 'JavaValidate'](dataDir)
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
* Central object class used for control flow. This object stores data about
|
|
* categories of downloads. Each category is assigned an identifier with a
|
|
* DLTracker object as its value. Combined information is also stored, such as
|
|
* the total size of all the queued files in each category. This event is used
|
|
* to emit events so that external modules can listen into processing done in
|
|
* this module.
|
|
*/
|
|
class AssetGuard extends EventEmitter {
|
|
|
|
static logger = LoggerUtil.getLogger('AssetGuard')
|
|
|
|
/**
|
|
* Create an instance of AssetGuard.
|
|
* On creation the object's properties are never-null default
|
|
* values. Each identifier is resolved to an empty DLTracker.
|
|
*
|
|
* @param {string} commonPath The common path for shared game files.
|
|
* @param {string} javaexec The path to a java executable which will be used
|
|
* to finalize installation.
|
|
*/
|
|
constructor(commonPath, javaexec){
|
|
super()
|
|
this.totaldlsize = 0
|
|
this.progress = 0
|
|
this.assets = new DLTracker([], 0)
|
|
this.libraries = new DLTracker([], 0)
|
|
this.files = new DLTracker([], 0)
|
|
this.forge = new DLTracker([], 0)
|
|
this.java = new DLTracker([], 0)
|
|
this.extractQueue = []
|
|
this.commonPath = commonPath
|
|
this.javaexec = javaexec
|
|
}
|
|
|
|
// Static Utility Functions
|
|
// #region
|
|
|
|
// Static Hash Validation Functions
|
|
// #region
|
|
|
|
/**
|
|
* Calculates the hash for a file using the specified algorithm.
|
|
*
|
|
* @param {Buffer} buf The buffer containing file data.
|
|
* @param {string} algo The hash algorithm.
|
|
* @returns {string} The calculated hash in hex.
|
|
*/
|
|
static _calculateHash(buf, algo){
|
|
return crypto.createHash(algo).update(buf).digest('hex')
|
|
}
|
|
|
|
/**
|
|
* Validate that a file exists and matches a given hash value.
|
|
*
|
|
* @param {string} filePath The path of the file to validate.
|
|
* @param {string} algo The hash algorithm to check against.
|
|
* @param {string} hash The existing hash to check against.
|
|
* @returns {boolean} True if the file exists and calculated hash matches the given hash, otherwise false.
|
|
*/
|
|
static _validateLocal(filePath, algo, hash){
|
|
if(fs.existsSync(filePath)){
|
|
//No hash provided, have to assume it's good.
|
|
if(hash == null){
|
|
return true
|
|
}
|
|
let buf = fs.readFileSync(filePath)
|
|
let calcdhash = AssetGuard._calculateHash(buf, algo)
|
|
return calcdhash === hash.toLowerCase()
|
|
}
|
|
return false
|
|
}
|
|
|
|
// #endregion
|
|
|
|
// Miscellaneous Static Functions
|
|
// #region
|
|
|
|
/**
|
|
* Extracts and unpacks a file from .pack.xz format.
|
|
*
|
|
* @param {Array.<string>} filePaths The paths of the files to be extracted and unpacked.
|
|
* @returns {Promise.<void>} An empty promise to indicate the extraction has completed.
|
|
*/
|
|
static _extractPackXZ(filePaths, javaExecutable){
|
|
const extractLogger = LoggerUtil.getLogger('PackXZExtract')
|
|
extractLogger.info('Starting')
|
|
return new Promise((resolve, reject) => {
|
|
|
|
let libPath
|
|
if(isDev){
|
|
libPath = path.join(process.cwd(), 'libraries', 'java', 'PackXZExtract.jar')
|
|
} else {
|
|
if(process.platform === 'darwin'){
|
|
libPath = path.join(process.cwd(),'Contents', 'Resources', 'libraries', 'java', 'PackXZExtract.jar')
|
|
} else {
|
|
libPath = path.join(process.cwd(), 'resources', 'libraries', 'java', 'PackXZExtract.jar')
|
|
}
|
|
}
|
|
|
|
const filePath = filePaths.join(',')
|
|
const child = child_process.spawn(javaExecutable, ['-jar', libPath, '-packxz', filePath])
|
|
child.stdout.on('data', (data) => {
|
|
extractLogger.info(data.toString('utf8'))
|
|
})
|
|
child.stderr.on('data', (data) => {
|
|
extractLogger.info(data.toString('utf8'))
|
|
})
|
|
child.on('close', (code, signal) => {
|
|
extractLogger.info('Exited with code', code)
|
|
resolve()
|
|
})
|
|
})
|
|
}
|
|
|
|
// #endregion
|
|
|
|
// #endregion
|
|
|
|
// Java (Category=''') Validation (download) Functions
|
|
// #region
|
|
|
|
_enqueueOpenJDK(dataDir, mcVersion){
|
|
return new Promise((resolve, reject) => {
|
|
const major = Util.mcVersionAtLeast('1.17', mcVersion) ? '17' : '8'
|
|
JavaGuard._latestOpenJDK(major).then(verData => {
|
|
if(verData != null){
|
|
|
|
dataDir = path.join(dataDir, 'runtime', 'x64')
|
|
const fDir = path.join(dataDir, verData.name)
|
|
const jre = new Asset(verData.name, null, verData.size, verData.uri, fDir)
|
|
this.java = new DLTracker([jre], jre.size, (a, self) => {
|
|
if(verData.name.endsWith('zip')){
|
|
|
|
this._extractJdkZip(a.to, dataDir, self)
|
|
|
|
} else {
|
|
// Tar.gz
|
|
let h = null
|
|
fs.createReadStream(a.to)
|
|
.on('error', err => AssetGuard.logger.error(err))
|
|
.pipe(zlib.createGunzip())
|
|
.on('error', err => AssetGuard.logger.error(err))
|
|
.pipe(tar.extract(dataDir, {
|
|
map: (header) => {
|
|
if(h == null){
|
|
h = header.name
|
|
}
|
|
}
|
|
}))
|
|
.on('error', err => AssetGuard.logger.error(err))
|
|
.on('finish', () => {
|
|
fs.unlink(a.to, err => {
|
|
if(err){
|
|
AssetGuard.logger.error(err)
|
|
}
|
|
if(h.indexOf('/') > -1){
|
|
h = h.substring(0, h.indexOf('/'))
|
|
}
|
|
const pos = path.join(dataDir, h)
|
|
self.emit('complete', 'java', JavaGuard.javaExecFromRoot(pos))
|
|
})
|
|
})
|
|
}
|
|
})
|
|
resolve(true)
|
|
|
|
} else {
|
|
resolve(false)
|
|
}
|
|
})
|
|
})
|
|
|
|
}
|
|
|
|
async _extractJdkZip(zipPath, runtimeDir, self) {
|
|
|
|
const zip = new StreamZip.async({
|
|
file: zipPath,
|
|
storeEntries: true
|
|
})
|
|
|
|
let pos = ''
|
|
try {
|
|
const entries = await zip.entries()
|
|
pos = path.join(runtimeDir, Object.keys(entries)[0])
|
|
|
|
AssetGuard.logger.info('Extracting jdk..')
|
|
await zip.extract(null, runtimeDir)
|
|
AssetGuard.logger.info('Cleaning up..')
|
|
await fs.remove(zipPath)
|
|
AssetGuard.logger.info('Jdk extraction complete.')
|
|
|
|
} catch(err) {
|
|
AssetGuard.logger.error(err)
|
|
} finally {
|
|
zip.close()
|
|
self.emit('complete', 'java', JavaGuard.javaExecFromRoot(pos))
|
|
}
|
|
}
|
|
|
|
|
|
// #endregion
|
|
|
|
// #endregion
|
|
|
|
// Control Flow Functions
|
|
// #region
|
|
|
|
/**
|
|
* Initiate an async download process for an AssetGuard DLTracker.
|
|
*
|
|
* @param {string} identifier The identifier of the AssetGuard DLTracker.
|
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* @param {number} limit Optional. The number of async processes to run in parallel.
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* @returns {boolean} True if the process began, otherwise false.
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*/
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startAsyncProcess(identifier, limit = 5){
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const self = this
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const dlTracker = this[identifier]
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const dlQueue = dlTracker.dlqueue
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if(dlQueue.length > 0){
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AssetGuard.logger.info('DLQueue', dlQueue)
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async.eachLimit(dlQueue, limit, (asset, cb) => {
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fs.ensureDirSync(path.join(asset.to, '..'))
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let req = request(asset.from)
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req.pause()
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req.on('response', (resp) => {
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if(resp.statusCode === 200){
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let doHashCheck = false
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const contentLength = parseInt(resp.headers['content-length'])
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if(contentLength !== asset.size){
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AssetGuard.logger.warn(`WARN: Got ${contentLength} bytes for ${asset.id}: Expected ${asset.size}`)
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doHashCheck = true
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// Adjust download
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this.totaldlsize -= asset.size
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this.totaldlsize += contentLength
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}
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let writeStream = fs.createWriteStream(asset.to)
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writeStream.on('close', () => {
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if(dlTracker.callback != null){
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dlTracker.callback.apply(dlTracker, [asset, self])
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}
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if(doHashCheck){
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const v = AssetGuard._validateLocal(asset.to, asset.type != null ? 'md5' : 'sha1', asset.hash)
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if(v){
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AssetGuard.logger.warn(`Hashes match for ${asset.id}, byte mismatch is an issue in the distro index.`)
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} else {
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AssetGuard.logger.error(`Hashes do not match, ${asset.id} may be corrupted.`)
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}
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}
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cb()
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})
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req.pipe(writeStream)
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req.resume()
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} else {
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|
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req.abort()
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AssetGuard.logger.error(`Failed to download ${asset.id}(${typeof asset.from === 'object' ? asset.from.url : asset.from}). Response code ${resp.statusCode}`)
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self.progress += asset.size*1
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self.emit('progress', 'download', self.progress, self.totaldlsize)
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cb()
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}
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|
})
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req.on('error', (err) => {
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self.emit('error', 'download', err)
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})
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req.on('data', (chunk) => {
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|
self.progress += chunk.length
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self.emit('progress', 'download', self.progress, self.totaldlsize)
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})
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|
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}, (err) => {
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|
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|
if(err){
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AssetGuard.logger.warn('An item in ' + identifier + ' failed to process')
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} else {
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AssetGuard.logger.info('All ' + identifier + ' have been processed successfully')
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}
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|
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//self.totaldlsize -= dlTracker.dlsize
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//self.progress -= dlTracker.dlsize
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self[identifier] = new DLTracker([], 0)
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|
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if(self.progress >= self.totaldlsize) {
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|
if(self.extractQueue.length > 0){
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|
self.emit('progress', 'extract', 1, 1)
|
|
//self.emit('extracting')
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AssetGuard._extractPackXZ(self.extractQueue, self.javaexec).then(() => {
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self.extractQueue = []
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|
self.emit('complete', 'download')
|
|
})
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|
} else {
|
|
self.emit('complete', 'download')
|
|
}
|
|
}
|
|
|
|
})
|
|
|
|
return true
|
|
|
|
} else {
|
|
return false
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This function will initiate the download processed for the specified identifiers. If no argument is
|
|
* given, all identifiers will be initiated. Note that in order for files to be processed you need to run
|
|
* the processing function corresponding to that identifier. If you run this function without processing
|
|
* the files, it is likely nothing will be enqueued in the object and processing will complete
|
|
* immediately. Once all downloads are complete, this function will fire the 'complete' event on the
|
|
* global object instance.
|
|
*
|
|
* @param {Array.<{id: string, limit: number}>} identifiers Optional. The identifiers to process and corresponding parallel async task limit.
|
|
*/
|
|
processDlQueues(identifiers = [{id:'assets', limit:20}, {id:'libraries', limit:5}, {id:'files', limit:5}, {id:'forge', limit:5}]){
|
|
return new Promise((resolve, reject) => {
|
|
let shouldFire = true
|
|
|
|
// Assign dltracking variables.
|
|
this.totaldlsize = 0
|
|
this.progress = 0
|
|
|
|
for(let iden of identifiers){
|
|
this.totaldlsize += this[iden.id].dlsize
|
|
}
|
|
|
|
this.once('complete', (data) => {
|
|
resolve()
|
|
})
|
|
|
|
for(let iden of identifiers){
|
|
let r = this.startAsyncProcess(iden.id, iden.limit)
|
|
if(r) shouldFire = false
|
|
}
|
|
|
|
if(shouldFire){
|
|
this.emit('complete', 'download')
|
|
}
|
|
})
|
|
}
|
|
|
|
// #endregion
|
|
|
|
}
|
|
|
|
module.exports = {
|
|
AssetGuard,
|
|
JavaGuard,
|
|
Asset,
|
|
Library
|
|
}
|