32a9df2940
* Disable nodeIntegration * Enable contextIsolation * Re-implement the CSP security check to handle running in contextIsolation * Disable bad DCHECKS for the promise helper * Remove the unused "-d" flag for the electron binary * Added a way to hide the default help output for electron devs who don't want to see it every time
198 lines
5.2 KiB
JavaScript
198 lines
5.2 KiB
JavaScript
const { app, dialog } = require('electron')
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const fs = require('fs')
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const Module = require('module')
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const path = require('path')
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const url = require('url')
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const { setDefaultApplicationMenu } = require('./menu')
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// Parse command line options.
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const argv = process.argv.slice(1)
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const option = {
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file: null,
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noHelp: Boolean(process.env.ELECTRON_NO_HELP),
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version: null,
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webdriver: null,
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modules: []
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}
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let nextArgIsRequire = false
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for (const arg of argv) {
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if (nextArgIsRequire) {
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option.modules.push(arg)
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nextArgIsRequire = false
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continue
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} else if (arg === '--version' || arg === '-v') {
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option.version = true
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break
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} else if (arg.match(/^--app=/)) {
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option.file = arg.split('=')[1]
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break
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} else if (arg === '--interactive' || arg === '-i' || arg === '-repl') {
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option.interactive = true
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} else if (arg === '--test-type=webdriver') {
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option.webdriver = true
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} else if (arg === '--require' || arg === '-r') {
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nextArgIsRequire = true
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continue
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} else if (arg === '--abi' || arg === '-a') {
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option.abi = true
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continue
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} else if (arg === '--no-help') {
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option.noHelp = true
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continue
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} else if (arg[0] === '-') {
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continue
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} else {
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option.file = arg
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break
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}
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}
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if (nextArgIsRequire) {
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console.error('Invalid Usage: --require [file]\n\n"file" is required')
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process.exit(1)
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}
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// Quit when all windows are closed and no other one is listening to this.
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app.on('window-all-closed', () => {
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if (app.listeners('window-all-closed').length === 1 && !option.interactive) {
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app.quit()
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}
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})
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// Create default menu.
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app.once('ready', () => {
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setDefaultApplicationMenu()
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})
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// Set up preload modules
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if (option.modules.length > 0) {
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Module._preloadModules(option.modules)
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}
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function loadApplicationPackage (packagePath) {
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// Add a flag indicating app is started from default app.
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Object.defineProperty(process, 'defaultApp', {
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configurable: false,
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enumerable: true,
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value: true
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})
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try {
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// Override app name and version.
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packagePath = path.resolve(packagePath)
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const packageJsonPath = path.join(packagePath, 'package.json')
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if (fs.existsSync(packageJsonPath)) {
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let packageJson
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try {
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packageJson = require(packageJsonPath)
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} catch (e) {
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showErrorMessage(`Unable to parse ${packageJsonPath}\n\n${e.message}`)
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return
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}
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if (packageJson.version) {
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app.setVersion(packageJson.version)
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}
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if (packageJson.productName) {
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app.setName(packageJson.productName)
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} else if (packageJson.name) {
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app.setName(packageJson.name)
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}
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app.setPath('userData', path.join(app.getPath('appData'), app.getName()))
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app.setPath('userCache', path.join(app.getPath('cache'), app.getName()))
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app.setAppPath(packagePath)
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}
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try {
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Module._resolveFilename(packagePath, module, true)
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} catch (e) {
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showErrorMessage(`Unable to find Electron app at ${packagePath}\n\n${e.message}`)
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return
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}
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// Run the app.
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Module._load(packagePath, module, true)
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} catch (e) {
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console.error('App threw an error during load')
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console.error(e.stack || e)
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throw e
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}
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}
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function showErrorMessage (message) {
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app.focus()
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dialog.showErrorBox('Error launching app', message)
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process.exit(1)
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}
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function loadApplicationByUrl (appUrl) {
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require('./default_app').load(appUrl)
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}
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function startRepl () {
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if (process.platform === 'win32') {
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console.error('Electron REPL not currently supported on Windows')
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process.exit(1)
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}
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const repl = require('repl')
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repl.start('> ').on('exit', () => {
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process.exit(0)
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})
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}
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// Start the specified app if there is one specified in command line, otherwise
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// start the default app.
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if (option.file && !option.webdriver) {
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const file = option.file
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const protocol = url.parse(file).protocol
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const extension = path.extname(file)
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if (protocol === 'http:' || protocol === 'https:' || protocol === 'file:' || protocol === 'chrome:') {
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loadApplicationByUrl(file)
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} else if (extension === '.html' || extension === '.htm') {
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loadApplicationByUrl('file://' + path.resolve(file))
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} else {
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loadApplicationPackage(file)
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}
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} else if (option.version) {
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console.log('v' + process.versions.electron)
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process.exit(0)
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} else if (option.abi) {
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console.log(process.versions.modules)
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process.exit(0)
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} else if (option.interactive) {
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startRepl()
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} else {
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if (!option.noHelp) {
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const welcomeMessage = `
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Electron ${process.versions.electron} - Build cross platform desktop apps with JavaScript, HTML, and CSS
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Usage: electron [options] [path]
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A path to an Electron app may be specified. It must be one of the following:
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- index.js file.
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- Folder containing a package.json file.
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- Folder containing an index.js file.
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- .html/.htm file.
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- http://, https://, or file:// URL.
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Options:
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-i, --interactive Open a REPL to the main process.
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-r, --require Module to preload (option can be repeated).
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-v, --version Print the version.
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-a, --abi Print the Node ABI version.`
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console.log(welcomeMessage)
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}
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const indexPath = path.join(__dirname, '/index.html')
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loadApplicationByUrl(url.format({
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protocol: 'file:',
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slashes: true,
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pathname: indexPath
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}))
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}
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