291 lines
10 KiB
JavaScript
291 lines
10 KiB
JavaScript
/**
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* BetterDiscord Core Entry
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* Copyright (c) 2015-present JsSucks - https://github.com/JsSucks
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* All rights reserved.
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* https://github.com/JsSucks - https://betterdiscord.net
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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import path from 'path';
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import sass from 'node-sass';
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import { BrowserWindow as OriginalBrowserWindow, dialog, session } from 'electron';
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import deepmerge from 'deepmerge';
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import ContentSecurityPolicy from 'csp-parse';
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import keytar from 'keytar';
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import { FileUtils, BDIpc, Config, WindowUtils, CSSEditor, Database } from './modules';
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const tests = typeof PRODUCTION === 'undefined';
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const _basePath = tests ? path.resolve(__dirname, '..', '..') : __dirname;
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const _baseDataPath = tests ? path.resolve(_basePath, 'tests') : _basePath;
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const sparkplug = path.resolve(__dirname, 'sparkplug.js');
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const _clientScript = tests
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? path.resolve(_basePath, 'client', 'dist', 'betterdiscord.client.js')
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: path.resolve(_basePath, 'betterdiscord.client.js');
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const _cssEditorPath = tests
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? path.resolve(__dirname, '..', '..', 'csseditor', 'dist')
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: path.resolve(__dirname, 'csseditor');
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const _dataPath = path.resolve(_baseDataPath, 'data');
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const _extPath = path.resolve(_baseDataPath, 'ext');
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const _pluginPath = path.resolve(_extPath, 'plugins');
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const _themePath = path.resolve(_extPath, 'themes');
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const _modulePath = path.resolve(_extPath, 'modules');
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const version = require(path.resolve(_basePath, 'package.json')).version;
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const paths = [
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{ id: 'base', path: _basePath },
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{ id: 'cs', path: _clientScript },
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{ id: 'data', path: _dataPath },
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{ id: 'ext', path: _extPath },
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{ id: 'plugins', path: _pluginPath },
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{ id: 'themes', path: _themePath },
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{ id: 'modules', path: _modulePath },
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{ id: 'csseditor', path: _cssEditorPath }
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];
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const globals = {
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version,
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paths
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};
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const CSP = {
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'img-src': ['https://cdn.betterttv.net', 'https://cdn.frankerfacez.com'],
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'script-src': [
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`'sha256-fSHKdpQGCHaIqWP3SpJOuUHrLp49jy4dWHzZ/RBJ/p4='`, // React Devtools
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`'sha256-VFJcfKY5B3EBkFDgQnv3CozPwBlZcxwssfLVWlPFfZU='`, // Vue Devtools
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`'sha256-VzDmLZ4PxPkOS/KY7ITzLQsSWhfCnvUrNculcj8UNgE=' 'sha256-l6K+77Z1cmldR9gIvaVWlboF/zr5MXCQHcsEHfnr5TU='` // Vue Detector
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]
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};
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class BrowserWindow extends OriginalBrowserWindow {
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constructor(originalOptions) {
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const userOptions = BrowserWindow.userWindowPreferences;
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const options = deepmerge(originalOptions, userOptions);
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options.webPreferences = Object.assign({}, options.webPreferences);
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// Make sure Node integration is enabled
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options.webPreferences.preload = sparkplug;
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super(options);
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Object.defineProperty(this, '__bd_preload', {value: []});
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if (originalOptions.webPreferences && originalOptions.webPreferences.preload) {
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this.__bd_preload.push(originalOptions.webPreferences.preload);
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}
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if (userOptions.webPreferences && userOptions.webPreferences.preload) {
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this.__bd_preload.push(path.resolve(_dataPath, userOptions.webPreferences.preload));
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}
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Object.defineProperty(this, '__bd_options', {value: options});
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Object.freeze(options);
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Object.freeze(options.webPreferences);
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Object.freeze(this.__bd_preload);
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}
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static get userWindowPreferences() {
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try {
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const userWindowPreferences = require(path.join(_dataPath, 'window'));
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if (typeof userWindowPreferences === 'object') return userWindowPreferences;
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} catch (err) {
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console.log('[BetterDiscord] Error getting window preferences:', err);
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}
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return {};
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}
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}
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class Comms {
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constructor(bd) {
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this.bd = bd;
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this.initListeners();
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}
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initListeners() {
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BDIpc.on('ping', () => 'pong', true);
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BDIpc.on('bd-getConfig', () => this.bd.config.config, true);
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BDIpc.on('bd-sendToDiscord', (event, m) => this.sendToDiscord(m.channel, m.message), true);
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BDIpc.on('bd-openCssEditor', (event, options) => this.bd.csseditor.openEditor(options), true);
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BDIpc.on('bd-sendToCssEditor', (event, m) => this.sendToCssEditor(m.channel, m.message), true);
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BDIpc.on('bd-native-open', (event, options) => {
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dialog.showOpenDialog(OriginalBrowserWindow.fromWebContents(event.ipcEvent.sender), options, filenames => {
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event.reply(filenames);
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});
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});
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BDIpc.on('bd-compileSass', (event, options) => {
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if (typeof options.path === 'string' && typeof options.data === 'string') {
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options.data = `${options.data} @import '${options.path.replace(/\\/g, '\\\\').replace(/'/g, '\\\'')}';`;
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options.path = undefined;
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}
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sass.render(options, (err, result) => {
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if (err) event.reject(err);
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else event.reply(result);
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});
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});
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BDIpc.on('bd-dba', (event, options) => this.bd.dbInstance.exec(options), true);
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BDIpc.on('bd-keytar-get', (event, {service, account}) => keytar.getPassword(service, account), true);
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BDIpc.on('bd-keytar-set', (event, {service, account, password}) => keytar.setPassword(service, account, password), true);
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BDIpc.on('bd-keytar-delete', (event, {service, account}) => keytar.deletePassword(service, account), true);
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BDIpc.on('bd-keytar-find-credentials', (event, {service}) => keytar.findCredentials(service), true);
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}
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async send(channel, message) {
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BDIpc.send(channel, message);
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}
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async sendToDiscord(channel, message) {
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return this.bd.windowUtils.send(channel, message);
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}
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async sendToCssEditor(channel, message) {
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return this.bd.csseditor.send(channel, message);
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}
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}
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export class BetterDiscord {
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constructor(args) {
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if (BetterDiscord.loaded) {
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console.log('Creating two BetterDiscord objects???');
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return null;
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}
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BetterDiscord.loaded = true;
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this.injectScripts = this.injectScripts.bind(this);
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this.ignite = this.ignite.bind(this);
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this.config = new Config(args || globals);
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this.dbInstance = new Database(this.config.getPath('data'));
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this.comms = new Comms(this);
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this.init();
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}
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async init() {
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await this.waitForWindowUtils();
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if (!tests) {
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const basePath = this.config.getPath('base');
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const files = await FileUtils.listDirectory(basePath);
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const latestCs = FileUtils.resolveLatest(files, file => file.endsWith('.js') && file.startsWith('client.'), file => file.replace('client.', '').replace('.js', ''), 'client.', '.js');
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this.config.getPath('cs', true).path = path.resolve(basePath, latestCs);
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}
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await FileUtils.ensureDirectory(this.config.getPath('ext'));
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this.csseditor = new CSSEditor(this, this.config.getPath('csseditor'));
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this.windowUtils.on('did-finish-load', () => this.injectScripts(true));
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this.windowUtils.on('did-navigate-in-page', (event, url, isMainFrame) => {
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this.windowUtils.send('did-navigate-in-page', { event, url, isMainFrame });
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});
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setTimeout(() => {
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this.injectScripts();
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}, 500);
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}
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async waitForWindow() {
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return new Promise(resolve => {
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const defer = setInterval(() => {
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const windows = OriginalBrowserWindow.getAllWindows();
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if (windows.length === 1 && windows[0].webContents.getURL().includes('discordapp.com')) {
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resolve(windows[0]);
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clearInterval(defer);
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}
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}, 10);
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});
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}
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async waitForWindowUtils() {
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if (this.windowUtils) return this.windowUtils;
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const window = await this.waitForWindow();
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return this.windowUtils = new WindowUtils({ window });
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}
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get window() {
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return this.windowUtils ? this.windowUtils.window : undefined;
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}
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/**
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* Hooks things that Discord removes from global. These will be removed again in the client script.
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*/
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ignite() {
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return BetterDiscord.ignite(this.window);
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}
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/**
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* Hooks things that Discord removes from global. These will be removed again in the client script.
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* @param {BrowserWindow} window The window to inject the sparkplug script into
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*/
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static ignite(window) {
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return WindowUtils.injectScript(window, sparkplug);
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}
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/**
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* Injects the client script into the main window.
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* @param {Boolean} reload Whether the main window was reloaded
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*/
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async injectScripts(reload = false) {
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console.log(`RELOAD? ${reload}`);
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return this.windowUtils.injectScript(this.config.getPath('cs'));
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}
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/**
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* Patches Electron's BrowserWindow so all windows have Node integration enabled.
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* This needs to be called only once before the main window is created (or BrowserWindow is put in a variable).
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* Basically BetterDiscord needs to load before discord_desktop_core.
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*/
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static patchBrowserWindow() {
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const electron = require('electron');
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const electron_path = require.resolve('electron');
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Object.assign(BrowserWindow, electron.BrowserWindow); // Assigns the new chrome-specific ones
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const newElectron = Object.assign({}, electron, {BrowserWindow});
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require.cache[electron_path].exports = newElectron;
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}
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/**
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* Attaches an event handler for HTTP requests to update the Content Security Policy.
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*/
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static hookSessionRequest() {
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session.defaultSession.webRequest.onHeadersReceived((details, callback) => {
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for (const [header, values] of Object.entries(details.responseHeaders)) {
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if (!header.match(/^Content-Security-Policy(-Report-Only)?$/i)) continue;
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details.responseHeaders[header] = values.map(value => {
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const policy = new ContentSecurityPolicy(value);
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for (const [key, value] of Object.entries(CSP)) {
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if (!policy.get(key)) continue;
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policy.add(key, value.join(' '));
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}
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return policy.toString();
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});
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}
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callback({ responseHeaders: details.responseHeaders });
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});
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}
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}
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BetterDiscord.patchBrowserWindow();
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BetterDiscord.hookSessionRequest();
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