118 lines
3.2 KiB
JavaScript
118 lines
3.2 KiB
JavaScript
const { http, https } = require('follow-redirects');
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const fs = require("fs");
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const util = require("./util.js");
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let mods_lock;
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let downloadStarted = false;
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let dep = new Map();
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function main() {
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mods_lock = new Map(Object.entries(mods_lock));
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if(global.config.mods.curse.length === 0) globCallback("curse", {});
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global.config.mods.curse.forEach(mod => {
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getData(`search?categoryId=0&gameId=432&gameVersion=${encodeURI(global.config.gameVersion)}&index=0&pageSize=15&searchFilter=${encodeURI(mod)}§ionId=6&sort=0`, (result) => { // resolve projectID
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resolveDep(result[0].id, downloadMods);
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});
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});
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}
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var resolveDepRecursionCount = 0;
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function resolveDep(modId, callback) {
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++resolveDepRecursionCount;
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getData(`${modId}/files`, (files) => {
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let rightVersion;
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for(let i = files.length - 1; i >= 0; --i) {
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let versionArray = files[i].gameVersion;
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if(versionMatch(versionArray, global.config.gameVersion) && (versionMatch(versionArray, global.config.modloader) || modloaderMatch(versionArray, global.config.modloader))) {
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rightVersion = files[i];
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}
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}
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dep.set(String(modId), {fileId: rightVersion.id, url: rightVersion.downloadUrl, filename: rightVersion.fileName});
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rightVersion.dependencies.forEach(mod => {
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if(mod.type !== 3) return;
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resolveDep(mod.addonId, callback);
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});
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--resolveDepRecursionCount;
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if(resolveDepRecursionCount == 0) callback();
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});
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}
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function getData(url, callback) {
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https.get(`https://addons-ecs.forgesvc.net/api/v2/addon/${url}`, (resp) => {
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let data = '';
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resp.on('data', (chunk) => {
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data += chunk;
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});
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resp.on("end", () => {
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callback(JSON.parse(data));
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});
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});
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}
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function versionMatch(versionArray, gameVersion) {
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let gameVersionMatch = false;
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versionArray.forEach(version => {
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gameVersionMatch = gameVersionMatch || version == gameVersion;
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});
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return gameVersionMatch;
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}
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function modloaderMatch(versionArray, modloaderVersion) {
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for(let i = 0; i < versionArray.length; ++i) {
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if(/^[a-zA-Z]+$/.test(versionArray[i]) && versionArray[i] != modloaderVersion) return false;
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}
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return true;
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}
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function downloadMods() {
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if(!downloadStarted) {
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downloadStarted = true;
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globCallback("curse", Object.fromEntries(dep));
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dep.forEach((mod, modId) => {
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let path = getPath(mod)
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if(mods_lock.has(modId)) {
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if(mods_lock.get(modId).fileId === mod.fileId) return;
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fs.unlink(path, () => {});
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}
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downloadFile(mod.url, path);
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});
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mods_lock.forEach((mod, modId) => {
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if(!dep.has(modId)) fs.unlink(getPath(mod), () => {})
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});
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}
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}
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function getPath(mod) {
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return `mods/${mod.filename}`
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}
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function downloadFile(url, dest) {
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let file = fs.createWriteStream(dest);
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console.log(`downloading ${url}`);
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let request = https.get(url, (response) => {
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// check if response is success
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if (response.statusCode !== 200) {
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throw response.statusCode;
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}
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response.pipe(file);
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});
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// close() is async, call cb after close completes
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file.on('finish', () => file.close());
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// check for request error too
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request.on('error', (err) => {
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fs.unlink(dest, () => {});
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throw err;
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});
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file.on('error', (err) => { // Handle errors
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fs.unlink(dest, () => {});
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throw err;
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});
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}
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module.exports = function(mods_lock_p, callback) {
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mods_lock = mods_lock_p;
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globCallback = callback;
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main();
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};
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