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Checksum, fix random version file request, removed node-fetch

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This commit is contained in:
Pierce 2019-05-07 19:12:24 -04:00
parent 50cc5678fc
commit c0cf0aee01
3 changed files with 41 additions and 11 deletions
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20
components/handler.js
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@ -2,6 +2,7 @@ const fs = require('fs');
const shelljs = require('shelljs');
const path = require('path');
const request = require('request');
const checksum = require('checksum');
const zip = require('adm-zip');
const event = require('./events');
@ -56,9 +57,18 @@ function downloadAsync (url, directory, name) {
});
}
function checkSum(hash, file, size) {
return new Promise(resolve => {
checksum.file(file, (err, sum) => resolve(hash === sum));
});
}
module.exports.getVersion = function (version, directory) {
return new Promise(resolve => {
if(fs.existsSync(path.join(directory, `${version}.json`))) resolve(require(path.join(directory, `${version}.json`)));
if(fs.existsSync(path.join(directory, `${version}.json`))) {
resolve(require(path.join(directory, `${version}.json`)));
return;
}
const manifest = "https://launchermeta.mojang.com/mc/game/version_manifest.json";
request.get(manifest, function(error, response, body) {
@ -108,7 +118,7 @@ module.exports.getAssets = function (directory, version) {
const subhash = hash.substring(0,2);
const assetDirectory = path.join(directory, 'assets', 'objects', subhash);
if(!fs.existsSync(path.join(assetDirectory, hash))) {
if(!fs.existsSync(path.join(assetDirectory, hash)) || !await checkSum(hash, path.join(assetDirectory, hash))) {
const download = await downloadAsync(`${assetsUrl}/${subhash}/${hash}`, assetDirectory, hash);
if(download.failed) failed.push(download.asset);
@ -164,6 +174,9 @@ module.exports.getNatives = function (root, version, os) {
if (native) {
const name = native.path.split('/').pop();
await downloadAsync(native.url, nativeDirectory, name);
if(!await checkSum(native.sha1, path.join(nativeDirectory, name))) {
await downloadAsync(native.url, nativeDirectory, name);
}
try {new zip(path.join(nativeDirectory, name)).extractAllTo(nativeDirectory, true);} catch(e) {
// Only doing a console.warn since a stupid error happens. You can basically ignore this.
// if it says Invalid file name, just means two files were downloaded and both were deleted.
@ -248,9 +261,10 @@ module.exports.getClasses = function (options, version) {
const libraryPath = _lib.downloads.artifact.path;
const libraryUrl = _lib.downloads.artifact.url;
const libraryHash = _lib.downloads.artifact.sha1;
const libraryDirectory = path.join(options.root, 'libraries', libraryPath);
if(!fs.existsSync(libraryDirectory)) {
if(!fs.existsSync(libraryDirectory) || !await checkSum(libraryHash, libraryDirectory)) {
let directory = libraryDirectory.split(path.sep);
const name = directory.pop();
directory = directory.join(path.sep);