forked from distok/asarfuckery
490 lines
18 KiB
JavaScript
490 lines
18 KiB
JavaScript
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'use strict';
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const { app, webContents, BrowserWindow } = require('electron');
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const { getAllWebContents } = process.electronBinding('web_contents');
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const renderProcessPreferences = process.electronBinding('render_process_preferences').forAllWebContents();
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const ipcMainUtils = require('@electron/internal/browser/ipc-main-internal-utils');
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const { Buffer } = require('buffer');
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const fs = require('fs');
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const path = require('path');
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const url = require('url');
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const util = require('util');
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const readFile = util.promisify(fs.readFile);
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const writeFile = util.promisify(fs.writeFile);
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// Mapping between extensionId(hostname) and manifest.
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const manifestMap = {}; // extensionId => manifest
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const manifestNameMap = {}; // name => manifest
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const devToolsExtensionNames = new Set();
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const generateExtensionIdFromName = function (name) {
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return name.replace(/[\W_]+/g, '-').toLowerCase();
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};
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const isWindowOrWebView = function (webContents) {
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const type = webContents.getType();
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return type === 'window' || type === 'webview';
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};
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const isBackgroundPage = function (webContents) {
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return webContents.getType() === 'backgroundPage';
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};
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// Create or get manifest object from |srcDirectory|.
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const getManifestFromPath = function (srcDirectory) {
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let manifest;
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let manifestContent;
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try {
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manifestContent = fs.readFileSync(path.join(srcDirectory, 'manifest.json'));
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}
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catch (readError) {
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console.warn(`Reading ${path.join(srcDirectory, 'manifest.json')} failed.`);
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console.warn(readError.stack || readError);
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throw readError;
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}
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try {
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manifest = JSON.parse(manifestContent);
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}
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catch (parseError) {
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console.warn(`Parsing ${path.join(srcDirectory, 'manifest.json')} failed.`);
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console.warn(parseError.stack || parseError);
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throw parseError;
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}
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if (!manifestNameMap[manifest.name]) {
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const extensionId = generateExtensionIdFromName(manifest.name);
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manifestMap[extensionId] = manifestNameMap[manifest.name] = manifest;
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Object.assign(manifest, {
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srcDirectory: srcDirectory,
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extensionId: extensionId,
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// We can not use 'file://' directly because all resources in the extension
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// will be treated as relative to the root in Chrome.
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startPage: url.format({
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protocol: 'chrome-extension',
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slashes: true,
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hostname: extensionId,
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pathname: manifest.devtools_page
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})
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});
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return manifest;
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}
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else if (manifest && manifest.name) {
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console.warn(`Attempted to load extension "${manifest.name}" that has already been loaded.`);
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return manifest;
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}
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};
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// Manage the background pages.
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const backgroundPages = {};
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const startBackgroundPages = function (manifest) {
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if (backgroundPages[manifest.extensionId] || !manifest.background)
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return;
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let html;
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let name;
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if (manifest.background.page) {
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name = manifest.background.page;
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html = fs.readFileSync(path.join(manifest.srcDirectory, manifest.background.page));
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}
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else {
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name = '_generated_background_page.html';
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const scripts = manifest.background.scripts.map((name) => {
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return `<script src="${name}"></script>`;
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}).join('');
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html = Buffer.from(`<html><body>${scripts}</body></html>`);
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}
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const contents = webContents.create({
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partition: 'persist:__chrome_extension',
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isBackgroundPage: true,
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sandbox: true,
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enableRemoteModule: false
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});
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backgroundPages[manifest.extensionId] = { html: html, webContents: contents, name: name };
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contents.loadURL(url.format({
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protocol: 'chrome-extension',
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slashes: true,
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hostname: manifest.extensionId,
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pathname: name
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}));
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};
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const removeBackgroundPages = function (manifest) {
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if (!backgroundPages[manifest.extensionId])
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return;
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backgroundPages[manifest.extensionId].webContents.destroy();
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delete backgroundPages[manifest.extensionId];
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};
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const sendToBackgroundPages = function (...args) {
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for (const page of Object.values(backgroundPages)) {
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if (!page.webContents.isDestroyed()) {
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page.webContents._sendInternalToAll(...args);
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}
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}
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};
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// Dispatch web contents events to Chrome APIs
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const hookWebContentsEvents = function (webContents) {
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const tabId = webContents.id;
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sendToBackgroundPages('CHROME_TABS_ONCREATED');
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webContents.on('will-navigate', (event, url) => {
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sendToBackgroundPages('CHROME_WEBNAVIGATION_ONBEFORENAVIGATE', {
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frameId: 0,
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parentFrameId: -1,
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processId: webContents.getProcessId(),
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tabId: tabId,
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timeStamp: Date.now(),
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url: url
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});
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});
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webContents.on('did-navigate', (event, url) => {
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sendToBackgroundPages('CHROME_WEBNAVIGATION_ONCOMPLETED', {
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frameId: 0,
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parentFrameId: -1,
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processId: webContents.getProcessId(),
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tabId: tabId,
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timeStamp: Date.now(),
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url: url
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});
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});
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webContents.once('destroyed', () => {
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sendToBackgroundPages('CHROME_TABS_ONREMOVED', tabId);
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});
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};
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// Handle the chrome.* API messages.
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let nextId = 0;
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ipcMainUtils.handle('CHROME_RUNTIME_CONNECT', function (event, extensionId, connectInfo) {
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if (isBackgroundPage(event.sender)) {
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throw new Error('chrome.runtime.connect is not supported in background page');
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}
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const page = backgroundPages[extensionId];
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if (!page || page.webContents.isDestroyed()) {
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throw new Error(`Connect to unknown extension ${extensionId}`);
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}
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const tabId = page.webContents.id;
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const portId = ++nextId;
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event.sender.once('render-view-deleted', () => {
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if (page.webContents.isDestroyed())
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return;
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page.webContents._sendInternalToAll(`CHROME_PORT_DISCONNECT_${portId}`);
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});
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page.webContents._sendInternalToAll(`CHROME_RUNTIME_ONCONNECT_${extensionId}`, event.sender.id, portId, connectInfo);
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return { tabId, portId };
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});
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ipcMainUtils.handle('CHROME_EXTENSION_MANIFEST', function (event, extensionId) {
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const manifest = manifestMap[extensionId];
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if (!manifest) {
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throw new Error(`Invalid extensionId: ${extensionId}`);
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}
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return manifest;
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});
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ipcMainUtils.handle('CHROME_RUNTIME_SEND_MESSAGE', async function (event, extensionId, message) {
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if (isBackgroundPage(event.sender)) {
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throw new Error('chrome.runtime.sendMessage is not supported in background page');
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}
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const page = backgroundPages[extensionId];
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if (!page || page.webContents.isDestroyed()) {
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throw new Error(`Connect to unknown extension ${extensionId}`);
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}
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return ipcMainUtils.invokeInWebContents(page.webContents, true, `CHROME_RUNTIME_ONMESSAGE_${extensionId}`, event.sender.id, message);
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});
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ipcMainUtils.handle('CHROME_TABS_SEND_MESSAGE', async function (event, tabId, extensionId, message) {
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const contents = webContents.fromId(tabId);
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if (!contents) {
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throw new Error(`Sending message to unknown tab ${tabId}`);
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}
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const senderTabId = isBackgroundPage(event.sender) ? null : event.sender.id;
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return ipcMainUtils.invokeInWebContents(contents, true, `CHROME_RUNTIME_ONMESSAGE_${extensionId}`, senderTabId, message);
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});
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const getLanguage = () => {
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return app.getLocale().replace(/-.*$/, '').toLowerCase();
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};
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const getMessagesPath = (extensionId) => {
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const metadata = manifestMap[extensionId];
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if (!metadata) {
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throw new Error(`Invalid extensionId: ${extensionId}`);
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}
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const localesDirectory = path.join(metadata.srcDirectory, '_locales');
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const language = getLanguage();
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try {
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const filename = path.join(localesDirectory, language, 'messages.json');
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fs.accessSync(filename, fs.constants.R_OK);
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return filename;
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}
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catch (_a) {
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const defaultLocale = metadata.default_locale || 'en';
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return path.join(localesDirectory, defaultLocale, 'messages.json');
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}
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};
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ipcMainUtils.handle('CHROME_GET_MESSAGES', async function (event, extensionId) {
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const messagesPath = getMessagesPath(extensionId);
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return readFile(messagesPath);
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});
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const validStorageTypes = new Set(['sync', 'local']);
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const getChromeStoragePath = (storageType, extensionId) => {
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if (!validStorageTypes.has(storageType)) {
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throw new Error(`Invalid storageType: ${storageType}`);
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}
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if (!manifestMap[extensionId]) {
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throw new Error(`Invalid extensionId: ${extensionId}`);
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}
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return path.join(app.getPath('userData'), `/Chrome Storage/${extensionId}-${storageType}.json`);
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};
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const mkdirp = util.promisify((dir, callback) => {
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fs.mkdir(dir, (error) => {
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if (error && error.code === 'ENOENT') {
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mkdirp(path.dirname(dir), (error) => {
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if (!error) {
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mkdirp(dir, callback);
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}
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});
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}
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else if (error && error.code === 'EEXIST') {
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callback(null);
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}
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else {
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callback(error);
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}
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});
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});
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ipcMainUtils.handle('CHROME_STORAGE_READ', async function (event, storageType, extensionId) {
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const filePath = getChromeStoragePath(storageType, extensionId);
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try {
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return await readFile(filePath, 'utf8');
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}
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catch (error) {
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if (error.code === 'ENOENT') {
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return null;
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}
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else {
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throw error;
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}
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}
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});
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ipcMainUtils.handle('CHROME_STORAGE_WRITE', async function (event, storageType, extensionId, data) {
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const filePath = getChromeStoragePath(storageType, extensionId);
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try {
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await mkdirp(path.dirname(filePath));
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}
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catch (_a) {
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// we just ignore the errors of mkdir or mkdirp
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}
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return writeFile(filePath, data, 'utf8');
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});
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const isChromeExtension = function (pageURL) {
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const { protocol } = url.parse(pageURL);
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return protocol === 'chrome-extension:';
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};
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const assertChromeExtension = function (contents, api) {
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const pageURL = contents._getURL();
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if (!isChromeExtension(pageURL)) {
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console.error(`Blocked ${pageURL} from calling ${api}`);
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throw new Error(`Blocked ${api}`);
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}
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};
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ipcMainUtils.handle('CHROME_TABS_EXECUTE_SCRIPT', async function (event, tabId, extensionId, details) {
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assertChromeExtension(event.sender, 'chrome.tabs.executeScript()');
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const contents = webContents.fromId(tabId);
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if (!contents) {
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throw new Error(`Sending message to unknown tab ${tabId}`);
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}
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let code, url;
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if (details.file) {
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const manifest = manifestMap[extensionId];
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code = String(fs.readFileSync(path.join(manifest.srcDirectory, details.file)));
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url = `chrome-extension://${extensionId}${details.file}`;
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}
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else {
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code = details.code;
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url = `chrome-extension://${extensionId}/${String(Math.random()).substr(2, 8)}.js`;
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}
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return ipcMainUtils.invokeInWebContents(contents, false, 'CHROME_TABS_EXECUTE_SCRIPT', extensionId, url, code);
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});
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// Transfer the content scripts to renderer.
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const contentScripts = {};
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const injectContentScripts = function (manifest) {
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if (contentScripts[manifest.name] || !manifest.content_scripts)
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return;
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const readArrayOfFiles = function (relativePath) {
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return {
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url: `chrome-extension://${manifest.extensionId}/${relativePath}`,
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code: String(fs.readFileSync(path.join(manifest.srcDirectory, relativePath)))
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};
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};
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const contentScriptToEntry = function (script) {
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return {
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matches: script.matches,
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js: script.js ? script.js.map(readArrayOfFiles) : [],
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css: script.css ? script.css.map(readArrayOfFiles) : [],
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runAt: script.run_at || 'document_idle',
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allFrames: script.all_frames || false
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};
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};
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try {
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const entry = {
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extensionId: manifest.extensionId,
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contentScripts: manifest.content_scripts.map(contentScriptToEntry)
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};
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contentScripts[manifest.name] = renderProcessPreferences.addEntry(entry);
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}
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catch (e) {
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console.error('Failed to read content scripts', e);
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}
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};
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const removeContentScripts = function (manifest) {
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if (!contentScripts[manifest.name])
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return;
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renderProcessPreferences.removeEntry(contentScripts[manifest.name]);
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delete contentScripts[manifest.name];
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};
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// Transfer the |manifest| to a format that can be recognized by the
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// |DevToolsAPI.addExtensions|.
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const manifestToExtensionInfo = function (manifest) {
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return {
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startPage: manifest.startPage,
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srcDirectory: manifest.srcDirectory,
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name: manifest.name,
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exposeExperimentalAPIs: true
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};
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};
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// Load the extensions for the window.
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const loadExtension = function (manifest) {
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startBackgroundPages(manifest);
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injectContentScripts(manifest);
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};
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const loadDevToolsExtensions = function (win, manifests) {
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if (!win.devToolsWebContents)
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return;
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manifests.forEach(loadExtension);
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const extensionInfoArray = manifests.map(manifestToExtensionInfo);
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extensionInfoArray.forEach((extension) => {
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win.devToolsWebContents._grantOriginAccess(extension.startPage);
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});
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win.devToolsWebContents.executeJavaScript(`InspectorFrontendAPI.addExtensions(${JSON.stringify(extensionInfoArray)})`);
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};
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app.on('web-contents-created', function (event, webContents) {
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|
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if (!isWindowOrWebView(webContents))
|
||
|
|
return;
|
||
|
|
hookWebContentsEvents(webContents);
|
||
|
|
webContents.on('devtools-opened', function () {
|
||
|
|
loadDevToolsExtensions(webContents, Object.values(manifestMap));
|
||
|
|
});
|
||
|
|
});
|
||
|
|
// The chrome-extension: can map a extension URL request to real file path.
|
||
|
|
const chromeExtensionHandler = function (request, callback) {
|
||
|
|
const parsed = url.parse(request.url);
|
||
|
|
if (!parsed.hostname || !parsed.path)
|
||
|
|
return callback();
|
||
|
|
const manifest = manifestMap[parsed.hostname];
|
||
|
|
if (!manifest)
|
||
|
|
return callback();
|
||
|
|
const page = backgroundPages[parsed.hostname];
|
||
|
|
if (page && parsed.path === `/${page.name}`) {
|
||
|
|
// Disabled due to false positive in StandardJS
|
||
|
|
// eslint-disable-next-line standard/no-callback-literal
|
||
|
|
return callback({
|
||
|
|
mimeType: 'text/html',
|
||
|
|
data: page.html
|
||
|
|
});
|
||
|
|
}
|
||
|
|
fs.readFile(path.join(manifest.srcDirectory, parsed.path), function (err, content) {
|
||
|
|
if (err) {
|
||
|
|
// Disabled due to false positive in StandardJS
|
||
|
|
// eslint-disable-next-line standard/no-callback-literal
|
||
|
|
return callback(-6); // FILE_NOT_FOUND
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return callback(content);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
};
|
||
|
|
app.on('session-created', function (ses) {
|
||
|
|
ses.protocol.registerBufferProtocol('chrome-extension', chromeExtensionHandler, function (error) {
|
||
|
|
if (error) {
|
||
|
|
console.error(`Unable to register chrome-extension protocol: ${error}`);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
// The persistent path of "DevTools Extensions" preference file.
|
||
|
|
let loadedDevToolsExtensionsPath = null;
|
||
|
|
app.on('will-quit', function () {
|
||
|
|
try {
|
||
|
|
const loadedDevToolsExtensions = Array.from(devToolsExtensionNames)
|
||
|
|
.map(name => manifestNameMap[name].srcDirectory);
|
||
|
|
if (loadedDevToolsExtensions.length > 0) {
|
||
|
|
try {
|
||
|
|
fs.mkdirSync(path.dirname(loadedDevToolsExtensionsPath));
|
||
|
|
}
|
||
|
|
catch (_a) {
|
||
|
|
// Ignore error
|
||
|
|
}
|
||
|
|
fs.writeFileSync(loadedDevToolsExtensionsPath, JSON.stringify(loadedDevToolsExtensions));
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
fs.unlinkSync(loadedDevToolsExtensionsPath);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
catch (_b) {
|
||
|
|
// Ignore error
|
||
|
|
}
|
||
|
|
});
|
||
|
|
// We can not use protocol or BrowserWindow until app is ready.
|
||
|
|
app.once('ready', function () {
|
||
|
|
// The public API to add/remove extensions.
|
||
|
|
BrowserWindow.addExtension = function (srcDirectory) {
|
||
|
|
const manifest = getManifestFromPath(srcDirectory);
|
||
|
|
if (manifest) {
|
||
|
|
loadExtension(manifest);
|
||
|
|
for (const webContents of getAllWebContents()) {
|
||
|
|
if (isWindowOrWebView(webContents)) {
|
||
|
|
loadDevToolsExtensions(webContents, [manifest]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return manifest.name;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
BrowserWindow.removeExtension = function (name) {
|
||
|
|
const manifest = manifestNameMap[name];
|
||
|
|
if (!manifest)
|
||
|
|
return;
|
||
|
|
removeBackgroundPages(manifest);
|
||
|
|
removeContentScripts(manifest);
|
||
|
|
delete manifestMap[manifest.extensionId];
|
||
|
|
delete manifestNameMap[name];
|
||
|
|
};
|
||
|
|
BrowserWindow.getExtensions = function () {
|
||
|
|
const extensions = {};
|
||
|
|
Object.keys(manifestNameMap).forEach(function (name) {
|
||
|
|
const manifest = manifestNameMap[name];
|
||
|
|
extensions[name] = { name: manifest.name, version: manifest.version };
|
||
|
|
});
|
||
|
|
return extensions;
|
||
|
|
};
|
||
|
|
BrowserWindow.addDevToolsExtension = function (srcDirectory) {
|
||
|
|
const manifestName = BrowserWindow.addExtension(srcDirectory);
|
||
|
|
if (manifestName) {
|
||
|
|
devToolsExtensionNames.add(manifestName);
|
||
|
|
}
|
||
|
|
return manifestName;
|
||
|
|
};
|
||
|
|
BrowserWindow.removeDevToolsExtension = function (name) {
|
||
|
|
BrowserWindow.removeExtension(name);
|
||
|
|
devToolsExtensionNames.delete(name);
|
||
|
|
};
|
||
|
|
BrowserWindow.getDevToolsExtensions = function () {
|
||
|
|
const extensions = BrowserWindow.getExtensions();
|
||
|
|
const devExtensions = {};
|
||
|
|
Array.from(devToolsExtensionNames).forEach(function (name) {
|
||
|
|
if (!extensions[name])
|
||
|
|
return;
|
||
|
|
devExtensions[name] = extensions[name];
|
||
|
|
});
|
||
|
|
return devExtensions;
|
||
|
|
};
|
||
|
|
// Load persisted extensions.
|
||
|
|
loadedDevToolsExtensionsPath = path.join(app.getPath('userData'), 'DevTools Extensions');
|
||
|
|
try {
|
||
|
|
const loadedDevToolsExtensions = JSON.parse(fs.readFileSync(loadedDevToolsExtensionsPath));
|
||
|
|
if (Array.isArray(loadedDevToolsExtensions)) {
|
||
|
|
for (const srcDirectory of loadedDevToolsExtensions) {
|
||
|
|
// Start background pages and set content scripts.
|
||
|
|
BrowserWindow.addDevToolsExtension(srcDirectory);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
catch (error) {
|
||
|
|
if (process.env.ELECTRON_ENABLE_LOGGING && error.code !== 'ENOENT') {
|
||
|
|
console.error('Failed to load browser extensions from directory:', loadedDevToolsExtensionsPath);
|
||
|
|
console.error(error);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
//# sourceMappingURL=chrome-extension.js.map
|