signal-desktop/app/main.ts
2022-09-27 17:55:42 -07:00

2551 lines
70 KiB
TypeScript

// Copyright 2017-2022 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
// This has to be the first import because it patches "os" module
import '../ts/util/patchWindows7Hostname';
import { join, normalize } from 'path';
import { pathToFileURL } from 'url';
import * as os from 'os';
import { chmod, realpath, writeFile } from 'fs-extra';
import { randomBytes } from 'crypto';
import normalizePath from 'normalize-path';
import fastGlob from 'fast-glob';
import PQueue from 'p-queue';
import { get, pick, isNumber, isBoolean, some, debounce, noop } from 'lodash';
import {
app,
BrowserWindow,
clipboard,
desktopCapturer,
dialog,
ipcMain as ipc,
Menu,
nativeTheme,
powerSaveBlocker,
protocol as electronProtocol,
screen,
session,
shell,
systemPreferences,
Notification,
} from 'electron';
import type {
MenuItemConstructorOptions,
TitleBarOverlayOptions,
LoginItemSettingsOptions,
} from 'electron';
import { z } from 'zod';
import packageJson from '../package.json';
import * as GlobalErrors from './global_errors';
import { setup as setupCrashReports } from './crashReports';
import { setup as setupSpellChecker } from './spell_check';
import { redactAll, addSensitivePath } from '../ts/util/privacy';
import { createSupportUrl } from '../ts/util/createSupportUrl';
import { missingCaseError } from '../ts/util/missingCaseError';
import { strictAssert } from '../ts/util/assert';
import { consoleLogger } from '../ts/util/consoleLogger';
import type { ThemeSettingType } from '../ts/types/StorageUIKeys';
import { ThemeType } from '../ts/types/Util';
import './startup_config';
import type { ConfigType } from './config';
import type { RendererConfigType } from '../ts/types/RendererConfig';
import {
directoryConfigSchema,
rendererConfigSchema,
} from '../ts/types/RendererConfig';
import config from './config';
import {
Environment,
getEnvironment,
isTestEnvironment,
} from '../ts/environment';
// Very important to put before the single instance check, since it is based on the
// userData directory. (see requestSingleInstanceLock below)
import * as userConfig from './user_config';
// We generally want to pull in our own modules after this point, after the user
// data directory has been set.
import * as attachments from './attachments';
import * as attachmentChannel from './attachment_channel';
import * as bounce from '../ts/services/bounce';
import * as updater from '../ts/updater/index';
import { updateDefaultSession } from './updateDefaultSession';
import { PreventDisplaySleepService } from './PreventDisplaySleepService';
import { SystemTrayService } from './SystemTrayService';
import { SystemTraySettingCache } from './SystemTraySettingCache';
import {
SystemTraySetting,
shouldMinimizeToSystemTray,
parseSystemTraySetting,
} from '../ts/types/SystemTraySetting';
import { isSystemTraySupported } from '../ts/types/Settings';
import * as ephemeralConfig from './ephemeral_config';
import * as logging from '../ts/logging/main_process_logging';
import { MainSQL } from '../ts/sql/main';
import * as sqlChannels from './sql_channel';
import * as windowState from './window_state';
import type { CreateTemplateOptionsType } from './menu';
import type { MenuActionType } from '../ts/types/menu';
import { createTemplate } from './menu';
import { installFileHandler, installWebHandler } from './protocol_filter';
import * as OS from '../ts/OS';
import { isProduction } from '../ts/util/version';
import {
isSgnlHref,
isCaptchaHref,
isSignalHttpsLink,
parseSgnlHref,
parseCaptchaHref,
parseSignalHttpsLink,
rewriteSignalHrefsIfNecessary,
} from '../ts/util/sgnlHref';
import { clearTimeoutIfNecessary } from '../ts/util/clearTimeoutIfNecessary';
import { toggleMaximizedBrowserWindow } from '../ts/util/toggleMaximizedBrowserWindow';
import { ChallengeMainHandler } from '../ts/main/challengeMain';
import { NativeThemeNotifier } from '../ts/main/NativeThemeNotifier';
import { PowerChannel } from '../ts/main/powerChannel';
import { SettingsChannel } from '../ts/main/settingsChannel';
import { maybeParseUrl, setUrlSearchParams } from '../ts/util/url';
import { getHeicConverter } from '../ts/workers/heicConverterMain';
import type { LocaleType } from './locale';
import { load as loadLocale } from './locale';
import type { LoggerType } from '../ts/types/Logging';
const animationSettings = systemPreferences.getAnimationSettings();
// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let mainWindow: BrowserWindow | undefined;
let mainWindowCreated = false;
let loadingWindow: BrowserWindow | undefined;
const activeWindows = new Set<BrowserWindow>();
function getMainWindow() {
return mainWindow;
}
const development =
getEnvironment() === Environment.Development ||
getEnvironment() === Environment.Staging;
const isThrottlingEnabled = development || !isProduction(app.getVersion());
const enableCI = config.get<boolean>('enableCI');
const forcePreloadBundle = config.get<boolean>('forcePreloadBundle');
const preventDisplaySleepService = new PreventDisplaySleepService(
powerSaveBlocker
);
const challengeHandler = new ChallengeMainHandler();
const nativeThemeNotifier = new NativeThemeNotifier();
nativeThemeNotifier.initialize();
let appStartInitialSpellcheckSetting = true;
const defaultWebPrefs = {
devTools:
process.argv.some(arg => arg === '--enable-dev-tools') ||
getEnvironment() !== Environment.Production ||
!isProduction(app.getVersion()),
spellcheck: false,
};
function showWindow() {
if (!mainWindow) {
return;
}
// Using focus() instead of show() seems to be important on Windows when our window
// has been docked using Aero Snap/Snap Assist. A full .show() call here will cause
// the window to reposition:
// https://github.com/signalapp/Signal-Desktop/issues/1429
if (mainWindow.isVisible()) {
mainWindow.focus();
} else {
mainWindow.show();
}
}
if (!process.mas) {
console.log('making app single instance');
const gotLock = app.requestSingleInstanceLock();
if (!gotLock) {
console.log('quitting; we are the second instance');
app.exit();
} else {
app.on('second-instance', (_e: Electron.Event, argv: Array<string>) => {
// Someone tried to run a second instance, we should focus our window
if (mainWindow) {
if (mainWindow.isMinimized()) {
mainWindow.restore();
}
showWindow();
}
if (!logger) {
console.log(
'second-instance: logger not initialized; skipping further checks'
);
return;
}
const incomingCaptchaHref = getIncomingCaptchaHref(argv);
if (incomingCaptchaHref) {
const { captcha } = parseCaptchaHref(incomingCaptchaHref, getLogger());
challengeHandler.handleCaptcha(captcha);
return true;
}
// Are they trying to open a sgnl:// href?
const incomingHref = getIncomingHref(argv);
if (incomingHref) {
handleSgnlHref(incomingHref);
}
// Handled
return true;
});
}
}
/* eslint-enable no-console */
let sqlInitTimeStart = 0;
let sqlInitTimeEnd = 0;
const sql = new MainSQL();
const heicConverter = getHeicConverter();
async function getSpellCheckSetting() {
const fastValue = ephemeralConfig.get('spell-check');
if (fastValue !== undefined) {
getLogger().info('got fast spellcheck setting', fastValue);
return fastValue;
}
const json = await sql.sqlCall('getItemById', ['spell-check']);
// Default to `true` if setting doesn't exist yet
const slowValue = json ? json.value : true;
ephemeralConfig.set('spell-check', slowValue);
getLogger().info('got slow spellcheck setting', slowValue);
return slowValue;
}
type GetThemeSettingOptionsType = Readonly<{
ephemeralOnly?: boolean;
}>;
async function getThemeSetting({
ephemeralOnly = false,
}: GetThemeSettingOptionsType = {}): Promise<ThemeSettingType> {
const fastValue = ephemeralConfig.get('theme-setting');
if (fastValue !== undefined) {
getLogger().info('got fast theme-setting value', fastValue);
return fastValue as ThemeSettingType;
}
if (ephemeralOnly) {
return 'system';
}
const json = await sql.sqlCall('getItemById', ['theme-setting']);
// Default to `system` if setting doesn't exist or is invalid
const setting: unknown = json?.value;
const slowValue =
setting === 'light' || setting === 'dark' || setting === 'system'
? setting
: 'system';
ephemeralConfig.set('theme-setting', slowValue);
getLogger().info('got slow theme-setting value', slowValue);
return slowValue;
}
async function getResolvedThemeSetting(
options?: GetThemeSettingOptionsType
): Promise<ThemeType> {
const theme = await getThemeSetting(options);
if (theme === 'system') {
return nativeTheme.shouldUseDarkColors ? ThemeType.dark : ThemeType.light;
}
return ThemeType[theme];
}
async function getBackgroundColor(
options?: GetThemeSettingOptionsType
): Promise<string> {
const theme = await getResolvedThemeSetting(options);
if (theme === 'light') {
return '#3a76f0';
}
if (theme === 'dark') {
return '#121212';
}
throw missingCaseError(theme);
}
let systemTrayService: SystemTrayService | undefined;
const systemTraySettingCache = new SystemTraySettingCache(
sql,
ephemeralConfig,
process.argv,
app.getVersion()
);
const windowFromUserConfig = userConfig.get('window');
const windowFromEphemeral = ephemeralConfig.get('window');
export const windowConfigSchema = z.object({
maximized: z.boolean().optional(),
autoHideMenuBar: z.boolean().optional(),
fullscreen: z.boolean().optional(),
width: z.number(),
height: z.number(),
x: z.number(),
y: z.number(),
});
type WindowConfigType = z.infer<typeof windowConfigSchema>;
let windowConfig: WindowConfigType | undefined;
const windowConfigParsed = windowConfigSchema.safeParse(
windowFromEphemeral || windowFromUserConfig
);
if (windowConfigParsed.success) {
windowConfig = windowConfigParsed.data;
}
if (windowFromUserConfig) {
userConfig.set('window', null);
ephemeralConfig.set('window', windowConfig);
}
let menuOptions: CreateTemplateOptionsType | undefined;
// These will be set after app fires the 'ready' event
let logger: LoggerType | undefined;
let locale: LocaleType | undefined;
let settingsChannel: SettingsChannel | undefined;
function getLogger(): LoggerType {
if (!logger) {
console.warn('getLogger: Logger not yet initialized!');
return consoleLogger;
}
return logger;
}
function getLocale(): LocaleType {
if (!locale) {
throw new Error('getLocale: Locale not yet initialized!');
}
return locale;
}
type PrepareUrlOptions = { forCalling?: boolean; forCamera?: boolean };
async function prepareFileUrl(
pathSegments: ReadonlyArray<string>,
options: PrepareUrlOptions = {}
): Promise<string> {
const filePath = join(...pathSegments);
const fileUrl = pathToFileURL(filePath);
return prepareUrl(fileUrl, options);
}
async function prepareUrl(
url: URL,
{ forCalling, forCamera }: PrepareUrlOptions = {}
): Promise<string> {
const theme = await getResolvedThemeSetting();
const directoryConfig = directoryConfigSchema.safeParse({
directoryType: config.get<string | undefined>('directoryType') || 'legacy',
directoryUrl: config.get<string | null>('directoryUrl') || undefined,
directoryEnclaveId:
config.get<string | null>('directoryEnclaveId') || undefined,
directoryTrustAnchor:
config.get<string | null>('directoryTrustAnchor') || undefined,
directoryCDSIUrl:
config.get<string | null>('directoryCDSIUrl') || undefined,
directoryCDSIMRENCLAVE:
config.get<string | null>('directoryCDSIMRENCLAVE') || undefined,
});
if (!directoryConfig.success) {
throw new Error(
`prepareUrl: Failed to parse renderer directory config ${JSON.stringify(
directoryConfig.error.flatten()
)}`
);
}
const urlParams: RendererConfigType = {
name: packageJson.productName,
locale: getLocale().name,
version: app.getVersion(),
buildCreation: config.get<number>('buildCreation'),
buildExpiration: config.get<number>('buildExpiration'),
serverUrl: config.get<string>('serverUrl'),
storageUrl: config.get<string>('storageUrl'),
updatesUrl: config.get<string>('updatesUrl'),
cdnUrl0: config.get<ConfigType>('cdn').get<string>('0'),
cdnUrl2: config.get<ConfigType>('cdn').get<string>('2'),
certificateAuthority: config.get<string>('certificateAuthority'),
environment: enableCI ? Environment.Production : getEnvironment(),
enableCI,
nodeVersion: process.versions.node,
hostname: os.hostname(),
appInstance: process.env.NODE_APP_INSTANCE || undefined,
proxyUrl: process.env.HTTPS_PROXY || process.env.https_proxy || undefined,
contentProxyUrl: config.get<string>('contentProxyUrl'),
sfuUrl: config.get('sfuUrl'),
reducedMotionSetting: animationSettings.prefersReducedMotion,
serverPublicParams: config.get<string>('serverPublicParams'),
serverTrustRoot: config.get<string>('serverTrustRoot'),
theme,
appStartInitialSpellcheckSetting,
userDataPath: app.getPath('userData'),
homePath: app.getPath('home'),
crashDumpsPath: app.getPath('crashDumps'),
directoryConfig: directoryConfig.data,
// Only used by the main window
isMainWindowFullScreen: Boolean(mainWindow?.isFullScreen()),
isMainWindowMaximized: Boolean(mainWindow?.isMaximized()),
// Only for tests
argv: JSON.stringify(process.argv),
// Only for permission popup window
forCalling: Boolean(forCalling),
forCamera: Boolean(forCamera),
};
const parsed = rendererConfigSchema.safeParse(urlParams);
if (!parsed.success) {
throw new Error(
`prepareUrl: Failed to parse renderer config ${JSON.stringify(
parsed.error.flatten()
)}`
);
}
return setUrlSearchParams(url, { config: JSON.stringify(parsed.data) }).href;
}
async function handleUrl(event: Electron.Event, rawTarget: string) {
event.preventDefault();
const parsedUrl = maybeParseUrl(rawTarget);
if (!parsedUrl) {
return;
}
const target = rewriteSignalHrefsIfNecessary(rawTarget);
const { protocol, hostname } = parsedUrl;
const isDevServer =
process.env.SIGNAL_ENABLE_HTTP && hostname === 'localhost';
// We only want to specially handle urls that aren't requesting the dev server
if (
isSgnlHref(target, getLogger()) ||
isSignalHttpsLink(target, getLogger())
) {
handleSgnlHref(target);
return;
}
if ((protocol === 'http:' || protocol === 'https:') && !isDevServer) {
try {
await shell.openExternal(target);
} catch (error) {
getLogger().error(`Failed to open url: ${error.stack}`);
}
}
}
function handleCommonWindowEvents(
window: BrowserWindow,
titleBarOverlay: TitleBarOverlayOptions | false = false
) {
window.webContents.on('will-navigate', handleUrl);
window.webContents.on('new-window', handleUrl);
window.webContents.on(
'preload-error',
(_event: Electron.Event, preloadPath: string, error: Error) => {
getLogger().error(`Preload error in ${preloadPath}: `, error.message);
}
);
activeWindows.add(window);
window.on('closed', () => activeWindows.delete(window));
const setWindowFocus = () => {
window.webContents.send('set-window-focus', window.isFocused());
};
window.on('focus', setWindowFocus);
window.on('blur', setWindowFocus);
window.once('ready-to-show', setWindowFocus);
// This is a fallback in case we drop an event for some reason.
const focusInterval = setInterval(setWindowFocus, 10000);
window.on('closed', () => clearInterval(focusInterval));
// Works only for mainWindow because it has `enablePreferredSizeMode`
let lastZoomFactor = window.webContents.getZoomFactor();
const onZoomChanged = () => {
if (
window.isDestroyed() ||
!window.webContents ||
window.webContents.isDestroyed()
) {
return;
}
const zoomFactor = window.webContents.getZoomFactor();
if (lastZoomFactor === zoomFactor) {
return;
}
settingsChannel?.invokeCallbackInMainWindow('persistZoomFactor', [
zoomFactor,
]);
lastZoomFactor = zoomFactor;
};
window.webContents.on('preferred-size-changed', onZoomChanged);
nativeThemeNotifier.addWindow(window);
if (titleBarOverlay) {
const onThemeChange = async () => {
try {
const newOverlay = await getTitleBarOverlay();
if (!newOverlay) {
return;
}
window.setTitleBarOverlay(newOverlay);
} catch (error) {
console.error('onThemeChange error', error);
}
};
nativeTheme.on('updated', onThemeChange);
settingsChannel?.on('change:themeSetting', onThemeChange);
}
}
const DEFAULT_WIDTH = enableCI ? 1024 : 800;
const DEFAULT_HEIGHT = enableCI ? 1024 : 610;
// We allow for smaller sizes because folks with OS-level zoom and HighDPI/Large Text
// can really cause weirdness around window pixel-sizes. The app is very broken if you
// make the window this small and do nothing else. But if you zoom out and collapse the
// left pane, even this window size can work!
const MIN_WIDTH = 300;
const MIN_HEIGHT = 200;
const BOUNDS_BUFFER = 100;
type BoundsType = {
width: number;
height: number;
x: number;
y: number;
};
function isVisible(window: BoundsType, bounds: BoundsType) {
const boundsX = bounds?.x || 0;
const boundsY = bounds?.y || 0;
const boundsWidth = bounds?.width || DEFAULT_WIDTH;
const boundsHeight = bounds?.height || DEFAULT_HEIGHT;
// requiring BOUNDS_BUFFER pixels on the left or right side
const rightSideClearOfLeftBound =
window.x + window.width >= boundsX + BOUNDS_BUFFER;
const leftSideClearOfRightBound =
window.x <= boundsX + boundsWidth - BOUNDS_BUFFER;
// top can't be offscreen, and must show at least BOUNDS_BUFFER pixels at bottom
const topClearOfUpperBound = window.y >= boundsY;
const topClearOfLowerBound =
window.y <= boundsY + boundsHeight - BOUNDS_BUFFER;
return (
rightSideClearOfLeftBound &&
leftSideClearOfRightBound &&
topClearOfUpperBound &&
topClearOfLowerBound
);
}
let windowIcon: string;
if (OS.isWindows()) {
windowIcon = join(__dirname, '../build/icons/win/icon.ico');
} else if (OS.isLinux()) {
windowIcon = join(__dirname, '../images/signal-logo-desktop-linux.png');
} else {
windowIcon = join(__dirname, '../build/icons/png/512x512.png');
}
// The titlebar is hidden on:
// - Windows < 10 (7, 8)
// - macOS (but no custom titlebar is displayed, see
// `--title-bar-drag-area-height` in `stylesheets/_titlebar.scss`
const mainTitleBarStyle =
(OS.isMacOS() || OS.hasCustomTitleBar()) &&
!isTestEnvironment(getEnvironment())
? ('hidden' as const)
: ('default' as const);
const nonMainTitleBarStyle = OS.hasCustomTitleBar()
? ('hidden' as const)
: ('default' as const);
async function getTitleBarOverlay(): Promise<TitleBarOverlayOptions | false> {
if (!OS.hasCustomTitleBar()) {
return false;
}
const theme = await getResolvedThemeSetting();
let color: string;
let symbolColor: string;
if (theme === 'light') {
color = '#e8e8e8';
symbolColor = '#1b1b1b';
} else if (theme === 'dark') {
// $color-gray-80
color = '#2e2e2e';
// $color-gray-05
symbolColor = '#e9e9e9';
} else {
throw missingCaseError(theme);
}
return {
color,
symbolColor,
// Should match `--titlebar-height` in stylesheets/_titlebar.scss
height: 28 - 1,
};
}
async function createWindow() {
const usePreloadBundle =
!isTestEnvironment(getEnvironment()) || forcePreloadBundle;
const titleBarOverlay = await getTitleBarOverlay();
const windowOptions: Electron.BrowserWindowConstructorOptions = {
show: false,
width: DEFAULT_WIDTH,
height: DEFAULT_HEIGHT,
minWidth: MIN_WIDTH,
minHeight: MIN_HEIGHT,
autoHideMenuBar: false,
titleBarStyle: mainTitleBarStyle,
titleBarOverlay,
backgroundColor: isTestEnvironment(getEnvironment())
? '#ffffff' // Tests should always be rendered on a white background
: await getBackgroundColor(),
webPreferences: {
...defaultWebPrefs,
nodeIntegration: false,
nodeIntegrationInWorker: false,
sandbox: false,
contextIsolation: false,
preload: join(
__dirname,
usePreloadBundle
? '../preload.bundle.js'
: '../ts/windows/main/preload.js'
),
spellcheck: await getSpellCheckSetting(),
backgroundThrottling: isThrottlingEnabled,
enablePreferredSizeMode: true,
disableBlinkFeatures: 'Accelerated2dCanvas,AcceleratedSmallCanvases',
},
icon: windowIcon,
...pick(windowConfig, ['autoHideMenuBar', 'width', 'height', 'x', 'y']),
};
if (!isNumber(windowOptions.width) || windowOptions.width < MIN_WIDTH) {
windowOptions.width = DEFAULT_WIDTH;
}
if (!isNumber(windowOptions.height) || windowOptions.height < MIN_HEIGHT) {
windowOptions.height = DEFAULT_HEIGHT;
}
if (!isBoolean(windowOptions.autoHideMenuBar)) {
delete windowOptions.autoHideMenuBar;
}
const startInTray =
(await systemTraySettingCache.get()) ===
SystemTraySetting.MinimizeToAndStartInSystemTray;
const visibleOnAnyScreen = some(screen.getAllDisplays(), display => {
if (
isNumber(windowOptions.x) &&
isNumber(windowOptions.y) &&
isNumber(windowOptions.width) &&
isNumber(windowOptions.height)
) {
return isVisible(windowOptions as BoundsType, get(display, 'bounds'));
}
getLogger().error(
"visibleOnAnyScreen: windowOptions didn't have valid bounds fields"
);
return false;
});
if (!visibleOnAnyScreen) {
getLogger().info('Location reset needed');
delete windowOptions.x;
delete windowOptions.y;
}
getLogger().info(
'Initializing BrowserWindow config:',
JSON.stringify(windowOptions)
);
// Create the browser window.
mainWindow = new BrowserWindow(windowOptions);
if (settingsChannel) {
settingsChannel.setMainWindow(mainWindow);
}
mainWindowCreated = true;
setupSpellChecker(mainWindow, getLocale());
if (!startInTray && windowConfig && windowConfig.maximized) {
mainWindow.maximize();
}
if (!startInTray && windowConfig && windowConfig.fullscreen) {
mainWindow.setFullScreen(true);
}
if (systemTrayService) {
systemTrayService.setMainWindow(mainWindow);
}
function saveWindowStats() {
if (!windowConfig) {
return;
}
getLogger().info(
'Updating BrowserWindow config: %s',
JSON.stringify(windowConfig)
);
ephemeralConfig.set('window', windowConfig);
}
const debouncedSaveStats = debounce(saveWindowStats, 500);
function captureWindowStats() {
if (!mainWindow) {
return;
}
const size = mainWindow.getSize();
const position = mainWindow.getPosition();
const newWindowConfig = {
maximized: mainWindow.isMaximized(),
autoHideMenuBar: mainWindow.autoHideMenuBar,
fullscreen: mainWindow.isFullScreen(),
width: size[0],
height: size[1],
x: position[0],
y: position[1],
};
if (
newWindowConfig.fullscreen !== windowConfig?.fullscreen ||
newWindowConfig.maximized !== windowConfig?.maximized
) {
mainWindow.webContents.send('window:set-window-stats', {
isMaximized: newWindowConfig.maximized,
isFullScreen: newWindowConfig.fullscreen,
});
}
// so if we need to recreate the window, we have the most recent settings
windowConfig = newWindowConfig;
if (!windowState.requestedShutdown()) {
debouncedSaveStats();
}
}
mainWindow.on('resize', captureWindowStats);
mainWindow.on('move', captureWindowStats);
if (getEnvironment() === Environment.Test) {
mainWindow.loadURL(await prepareFileUrl([__dirname, '../test/index.html']));
} else {
mainWindow.loadURL(await prepareFileUrl([__dirname, '../background.html']));
}
if (!enableCI && config.get<boolean>('openDevTools')) {
// Open the DevTools.
mainWindow.webContents.openDevTools();
}
handleCommonWindowEvents(mainWindow, titleBarOverlay);
// App dock icon bounce
bounce.init(mainWindow);
// Emitted when the window is about to be closed.
// Note: We do most of our shutdown logic here because all windows are closed by
// Electron before the app quits.
mainWindow.on('close', async e => {
if (!mainWindow) {
getLogger().info('close event: no main window');
return;
}
getLogger().info('close event', {
readyForShutdown: windowState.readyForShutdown(),
shouldQuit: windowState.shouldQuit(),
});
// If the application is terminating, just do the default
if (
isTestEnvironment(getEnvironment()) ||
(windowState.readyForShutdown() && windowState.shouldQuit())
) {
return;
}
// Prevent the shutdown
e.preventDefault();
/**
* if the user is in fullscreen mode and closes the window, not the
* application, we need them leave fullscreen first before closing it to
* prevent a black screen.
*
* issue: https://github.com/signalapp/Signal-Desktop/issues/4348
*/
if (mainWindow.isFullScreen()) {
mainWindow.once('leave-full-screen', () => mainWindow?.hide());
mainWindow.setFullScreen(false);
} else {
mainWindow.hide();
}
// On Mac, or on other platforms when the tray icon is in use, the window
// should be only hidden, not closed, when the user clicks the close button
const usingTrayIcon = shouldMinimizeToSystemTray(
await systemTraySettingCache.get()
);
if (!windowState.shouldQuit() && (usingTrayIcon || OS.isMacOS())) {
if (usingTrayIcon) {
const shownTrayNotice = ephemeralConfig.get('shown-tray-notice');
if (shownTrayNotice) {
getLogger().info('close: not showing tray notice');
return;
}
ephemeralConfig.set('shown-tray-notice', true);
getLogger().info('close: showing tray notice');
const n = new Notification({
title: getLocale().i18n('minimizeToTrayNotification--title'),
body: getLocale().i18n('minimizeToTrayNotification--body'),
});
n.show();
}
return;
}
windowState.markRequestedShutdown();
await requestShutdown();
windowState.markReadyForShutdown();
await sql.close();
app.quit();
});
// Emitted when the window is closed.
mainWindow.on('closed', () => {
// Dereference the window object, usually you would store windows
// in an array if your app supports multi windows, this is the time
// when you should delete the corresponding element.
mainWindow = undefined;
if (settingsChannel) {
settingsChannel.setMainWindow(mainWindow);
}
if (systemTrayService) {
systemTrayService.setMainWindow(mainWindow);
}
});
mainWindow.on('enter-full-screen', () => {
if (mainWindow) {
mainWindow.webContents.send('full-screen-change', true);
}
});
mainWindow.on('leave-full-screen', () => {
if (mainWindow) {
mainWindow.webContents.send('full-screen-change', false);
}
});
mainWindow.once('ready-to-show', async () => {
getLogger().info('main window is ready-to-show');
// Ignore sql errors and show the window anyway
await sqlInitPromise;
if (!mainWindow) {
return;
}
const shouldShowWindow =
!app.getLoginItemSettings().wasOpenedAsHidden && !startInTray;
if (shouldShowWindow) {
getLogger().info('showing main window');
mainWindow.show();
}
});
}
// Renderer asks if we are done with the database
ipc.on('database-ready', async event => {
if (!sqlInitPromise) {
getLogger().error('database-ready requested, but sqlInitPromise is falsey');
return;
}
const { error } = await sqlInitPromise;
if (error) {
getLogger().error(
'database-ready requested, but got sql error',
error && error.stack
);
return;
}
getLogger().info('sending `database-ready`');
event.sender.send('database-ready');
});
ipc.on('show-window', () => {
showWindow();
});
ipc.on('title-bar-double-click', () => {
if (!mainWindow) {
return;
}
if (OS.isMacOS()) {
switch (
systemPreferences.getUserDefault('AppleActionOnDoubleClick', 'string')
) {
case 'Minimize':
mainWindow.minimize();
break;
case 'Maximize':
toggleMaximizedBrowserWindow(mainWindow);
break;
default:
// If this is disabled, it'll be 'None'. If it's anything else, that's unexpected,
// but we'll just no-op.
break;
}
} else {
// This is currently only supported on macOS. This `else` branch is just here when/if
// we add support for other operating systems.
toggleMaximizedBrowserWindow(mainWindow);
}
});
ipc.on('set-is-call-active', (_event, isCallActive) => {
preventDisplaySleepService.setEnabled(isCallActive);
if (!mainWindow) {
return;
}
if (!isThrottlingEnabled) {
return;
}
let backgroundThrottling: boolean;
if (isCallActive) {
getLogger().info('Background throttling disabled because a call is active');
backgroundThrottling = false;
} else {
getLogger().info('Background throttling enabled because no call is active');
backgroundThrottling = true;
}
mainWindow.webContents.setBackgroundThrottling(backgroundThrottling);
});
ipc.on('convert-image', async (event, uuid, data) => {
const { error, response } = await heicConverter(uuid, data);
event.reply(`convert-image:${uuid}`, { error, response });
});
let isReadyForUpdates = false;
async function readyForUpdates() {
if (isReadyForUpdates) {
return;
}
isReadyForUpdates = true;
// First, install requested sticker pack
const incomingHref = getIncomingHref(process.argv);
if (incomingHref) {
handleSgnlHref(incomingHref);
}
// Second, start checking for app updates
try {
strictAssert(
settingsChannel !== undefined,
'SettingsChannel must be initialized'
);
await updater.start(settingsChannel, getLogger(), getMainWindow);
} catch (error) {
getLogger().error(
'Error starting update checks:',
error && error.stack ? error.stack : error
);
}
}
async function forceUpdate() {
try {
getLogger().info('starting force update');
await updater.force();
} catch (error) {
getLogger().error(
'Error during force update:',
error && error.stack ? error.stack : error
);
}
}
ipc.once('ready-for-updates', readyForUpdates);
const TEN_MINUTES = 10 * 60 * 1000;
setTimeout(readyForUpdates, TEN_MINUTES);
function openContactUs() {
shell.openExternal(createSupportUrl({ locale: app.getLocale() }));
}
function openJoinTheBeta() {
// If we omit the language, the site will detect the language and redirect
shell.openExternal('https://support.signal.org/hc/articles/360007318471');
}
function openReleaseNotes() {
if (mainWindow && mainWindow.isVisible()) {
mainWindow.webContents.send('show-release-notes');
return;
}
shell.openExternal(
`https://github.com/signalapp/Signal-Desktop/releases/tag/v${app.getVersion()}`
);
}
function openSupportPage() {
// If we omit the language, the site will detect the language and redirect
shell.openExternal('https://support.signal.org/hc/sections/360001602812');
}
function openForums() {
shell.openExternal('https://community.signalusers.org/');
}
function showKeyboardShortcuts() {
if (mainWindow) {
mainWindow.webContents.send('show-keyboard-shortcuts');
}
}
function setupAsNewDevice() {
if (mainWindow) {
mainWindow.webContents.send('set-up-as-new-device');
}
}
function setupAsStandalone() {
if (mainWindow) {
mainWindow.webContents.send('set-up-as-standalone');
}
}
let screenShareWindow: BrowserWindow | undefined;
async function showScreenShareWindow(sourceName: string) {
if (screenShareWindow) {
screenShareWindow.showInactive();
return;
}
const width = 480;
const display = screen.getPrimaryDisplay();
const options = {
alwaysOnTop: true,
autoHideMenuBar: true,
backgroundColor: '#2e2e2e',
darkTheme: true,
frame: false,
fullscreenable: false,
height: 44,
maximizable: false,
minimizable: false,
resizable: false,
show: false,
title: getLocale().i18n('screenShareWindow'),
titleBarStyle: nonMainTitleBarStyle,
width,
webPreferences: {
...defaultWebPrefs,
nodeIntegration: false,
nodeIntegrationInWorker: false,
sandbox: false,
contextIsolation: true,
preload: join(__dirname, '../ts/windows/screenShare/preload.js'),
},
x: Math.floor(display.size.width / 2) - width / 2,
y: 24,
};
screenShareWindow = new BrowserWindow(options);
handleCommonWindowEvents(screenShareWindow);
screenShareWindow.loadURL(
await prepareFileUrl([__dirname, '../screenShare.html'])
);
screenShareWindow.on('closed', () => {
screenShareWindow = undefined;
});
screenShareWindow.once('ready-to-show', () => {
if (screenShareWindow) {
screenShareWindow.showInactive();
screenShareWindow.webContents.send(
'render-screen-sharing-controller',
sourceName
);
}
});
}
let aboutWindow: BrowserWindow | undefined;
async function showAbout() {
if (aboutWindow) {
aboutWindow.show();
return;
}
const titleBarOverlay = await getTitleBarOverlay();
const options = {
width: 500,
height: 500,
resizable: false,
title: getLocale().i18n('aboutSignalDesktop'),
titleBarStyle: nonMainTitleBarStyle,
titleBarOverlay,
autoHideMenuBar: true,
backgroundColor: await getBackgroundColor(),
show: false,
webPreferences: {
...defaultWebPrefs,
nodeIntegration: false,
nodeIntegrationInWorker: false,
sandbox: false,
contextIsolation: true,
preload: join(__dirname, '../ts/windows/about/preload.js'),
nativeWindowOpen: true,
},
};
aboutWindow = new BrowserWindow(options);
handleCommonWindowEvents(aboutWindow, titleBarOverlay);
aboutWindow.loadURL(await prepareFileUrl([__dirname, '../about.html']));
aboutWindow.on('closed', () => {
aboutWindow = undefined;
});
aboutWindow.once('ready-to-show', () => {
if (aboutWindow) {
aboutWindow.show();
}
});
}
let settingsWindow: BrowserWindow | undefined;
async function showSettingsWindow() {
if (settingsWindow) {
settingsWindow.show();
return;
}
const titleBarOverlay = await getTitleBarOverlay();
const options = {
width: 700,
height: 700,
frame: true,
resizable: false,
title: getLocale().i18n('signalDesktopPreferences'),
titleBarStyle: nonMainTitleBarStyle,
titleBarOverlay,
autoHideMenuBar: true,
backgroundColor: await getBackgroundColor(),
show: false,
webPreferences: {
...defaultWebPrefs,
nodeIntegration: false,
nodeIntegrationInWorker: false,
sandbox: false,
contextIsolation: true,
preload: join(__dirname, '../ts/windows/settings/preload.js'),
nativeWindowOpen: true,
},
};
settingsWindow = new BrowserWindow(options);
handleCommonWindowEvents(settingsWindow, titleBarOverlay);
settingsWindow.loadURL(await prepareFileUrl([__dirname, '../settings.html']));
settingsWindow.on('closed', () => {
settingsWindow = undefined;
});
ipc.once('settings-done-rendering', () => {
if (!settingsWindow) {
getLogger().warn('settings-done-rendering: no settingsWindow available!');
return;
}
settingsWindow.show();
});
}
async function getIsLinked() {
try {
const number = await sql.sqlCall('getItemById', ['number_id']);
const password = await sql.sqlCall('getItemById', ['password']);
return Boolean(number && password);
} catch (e) {
return false;
}
}
let stickerCreatorWindow: BrowserWindow | undefined;
async function showStickerCreator() {
if (!(await getIsLinked())) {
const message = getLocale().i18n('StickerCreator--Authentication--error');
dialog.showMessageBox({
type: 'warning',
message,
});
return;
}
if (stickerCreatorWindow) {
stickerCreatorWindow.show();
return;
}
const { x = 0, y = 0 } = windowConfig || {};
const titleBarOverlay = await getTitleBarOverlay();
const options = {
x: x + 100,
y: y + 100,
width: 800,
minWidth: 800,
height: 650,
title: getLocale().i18n('signalDesktopStickerCreator'),
titleBarStyle: nonMainTitleBarStyle,
titleBarOverlay,
autoHideMenuBar: true,
backgroundColor: await getBackgroundColor(),
show: false,
webPreferences: {
...defaultWebPrefs,
nodeIntegration: false,
nodeIntegrationInWorker: false,
sandbox: false,
contextIsolation: false,
preload: join(__dirname, '../sticker-creator/preload.js'),
nativeWindowOpen: true,
spellcheck: await getSpellCheckSetting(),
},
};
stickerCreatorWindow = new BrowserWindow(options);
setupSpellChecker(stickerCreatorWindow, getLocale());
handleCommonWindowEvents(stickerCreatorWindow, titleBarOverlay);
const appUrl = process.env.SIGNAL_ENABLE_HTTP
? prepareUrl(
new URL('http://localhost:6380/sticker-creator/dist/index.html')
)
: prepareFileUrl([__dirname, '../sticker-creator/dist/index.html']);
stickerCreatorWindow.loadURL(await appUrl);
stickerCreatorWindow.on('closed', () => {
stickerCreatorWindow = undefined;
});
stickerCreatorWindow.once('ready-to-show', () => {
if (!stickerCreatorWindow) {
return;
}
stickerCreatorWindow.show();
if (config.get<boolean>('openDevTools')) {
// Open the DevTools.
stickerCreatorWindow.webContents.openDevTools();
}
});
}
let debugLogWindow: BrowserWindow | undefined;
async function showDebugLogWindow() {
if (debugLogWindow) {
debugLogWindow.show();
return;
}
const titleBarOverlay = await getTitleBarOverlay();
const options = {
width: 700,
height: 500,
resizable: false,
title: getLocale().i18n('debugLog'),
titleBarStyle: nonMainTitleBarStyle,
titleBarOverlay,
autoHideMenuBar: true,
backgroundColor: await getBackgroundColor(),
show: false,
webPreferences: {
...defaultWebPrefs,
nodeIntegration: false,
nodeIntegrationInWorker: false,
sandbox: false,
contextIsolation: true,
preload: join(__dirname, '../ts/windows/debuglog/preload.js'),
nativeWindowOpen: true,
},
parent: mainWindow,
// Electron has [a macOS bug][0] that causes parent windows to become unresponsive if
// it's fullscreen and opens a fullscreen child window. Until that's fixed, we
// prevent the child window from being fullscreenable, which sidesteps the problem.
// [0]: https://github.com/electron/electron/issues/32374
fullscreenable: !OS.isMacOS(),
};
debugLogWindow = new BrowserWindow(options);
handleCommonWindowEvents(debugLogWindow, titleBarOverlay);
debugLogWindow.loadURL(
await prepareFileUrl([__dirname, '../debug_log.html'])
);
debugLogWindow.on('closed', () => {
debugLogWindow = undefined;
});
debugLogWindow.once('ready-to-show', () => {
if (debugLogWindow) {
debugLogWindow.show();
// Electron sometimes puts the window in a strange spot until it's shown.
debugLogWindow.center();
}
});
}
let permissionsPopupWindow: BrowserWindow | undefined;
function showPermissionsPopupWindow(forCalling: boolean, forCamera: boolean) {
// eslint-disable-next-line no-async-promise-executor
return new Promise<void>(async (resolveFn, reject) => {
if (permissionsPopupWindow) {
permissionsPopupWindow.show();
reject(new Error('Permission window already showing'));
return;
}
if (!mainWindow) {
reject(new Error('No main window'));
return;
}
const size = mainWindow.getSize();
const options = {
width: Math.min(400, size[0]),
height: Math.min(150, size[1]),
resizable: false,
title: getLocale().i18n('allowAccess'),
titleBarStyle: nonMainTitleBarStyle,
autoHideMenuBar: true,
backgroundColor: await getBackgroundColor(),
show: false,
modal: true,
webPreferences: {
...defaultWebPrefs,
nodeIntegration: false,
nodeIntegrationInWorker: false,
sandbox: false,
contextIsolation: true,
preload: join(__dirname, '../ts/windows/permissions/preload.js'),
nativeWindowOpen: true,
},
parent: mainWindow,
};
permissionsPopupWindow = new BrowserWindow(options);
handleCommonWindowEvents(permissionsPopupWindow);
permissionsPopupWindow.loadURL(
await prepareFileUrl([__dirname, '../permissions_popup.html'], {
forCalling,
forCamera,
})
);
permissionsPopupWindow.on('closed', () => {
removeDarkOverlay();
permissionsPopupWindow = undefined;
resolveFn();
});
permissionsPopupWindow.once('ready-to-show', () => {
if (permissionsPopupWindow) {
addDarkOverlay();
permissionsPopupWindow.show();
}
});
});
}
const runSQLCorruptionHandler = async () => {
// This is a glorified event handler. Normally, this promise never resolves,
// but if there is a corruption error triggered by any query that we run
// against the database - the promise will resolve and we will call
// `onDatabaseError`.
const error = await sql.whenCorrupted();
getLogger().error(
'Detected sql corruption in main process. ' +
`Restarting the application immediately. Error: ${error.message}`
);
await onDatabaseError(error.stack || error.message);
};
async function initializeSQL(
userDataPath: string
): Promise<{ ok: true; error: undefined } | { ok: false; error: Error }> {
let key: string | undefined;
const keyFromConfig = userConfig.get('key');
if (typeof keyFromConfig === 'string') {
key = keyFromConfig;
} else if (keyFromConfig) {
getLogger().warn(
"initializeSQL: got key from config, but it wasn't a string"
);
}
if (!key) {
getLogger().info(
'key/initialize: Generating new encryption key, since we did not find it on disk'
);
// https://www.zetetic.net/sqlcipher/sqlcipher-api/#key
key = randomBytes(32).toString('hex');
userConfig.set('key', key);
}
sqlInitTimeStart = Date.now();
try {
// This should be the first awaited call in this function, otherwise
// `sql.sqlCall` will throw an uninitialized error instead of waiting for
// init to finish.
await sql.initialize({
configDir: userDataPath,
key,
logger: getLogger(),
});
} catch (error: unknown) {
if (error instanceof Error) {
return { ok: false, error };
}
return {
ok: false,
error: new Error(`initializeSQL: Caught a non-error '${error}'`),
};
} finally {
sqlInitTimeEnd = Date.now();
}
// Only if we've initialized things successfully do we set up the corruption handler
runSQLCorruptionHandler();
return { ok: true, error: undefined };
}
const onDatabaseError = async (error: string) => {
// Prevent window from re-opening
ready = false;
if (mainWindow) {
settingsChannel?.invokeCallbackInMainWindow('closeDB', []);
mainWindow.close();
}
mainWindow = undefined;
const buttonIndex = dialog.showMessageBoxSync({
buttons: [
getLocale().i18n('deleteAndRestart'),
getLocale().i18n('copyErrorAndQuit'),
],
defaultId: 1,
cancelId: 1,
detail: redactAll(error),
message: getLocale().i18n('databaseError'),
noLink: true,
type: 'error',
});
if (buttonIndex === 1) {
clipboard.writeText(`Database startup error:\n\n${redactAll(error)}`);
} else {
await sql.removeDB();
userConfig.remove();
getLogger().error(
'onDatabaseError: Requesting immediate restart after quit'
);
app.relaunch();
}
getLogger().error('onDatabaseError: Quitting application');
app.exit(1);
};
let sqlInitPromise:
| Promise<{ ok: true; error: undefined } | { ok: false; error: Error }>
| undefined;
ipc.on('database-error', (_event: Electron.Event, error: string) => {
onDatabaseError(error);
});
function getAppLocale(): string {
return getEnvironment() === Environment.Test ? 'en' : app.getLocale();
}
async function getDefaultLoginItemSettings(): Promise<LoginItemSettingsOptions> {
if (!OS.isWindows()) {
return {};
}
const systemTraySetting = await systemTraySettingCache.get();
if (
systemTraySetting !== SystemTraySetting.MinimizeToSystemTray &&
// This is true when we just started with `--start-in-tray`
systemTraySetting !== SystemTraySetting.MinimizeToAndStartInSystemTray
) {
return {};
}
// The effect of this is that if both auto-launch and minimize to system tray
// are enabled on Windows - we will start the app in tray automatically,
// letting the Desktop shortcuts still start the Signal not in tray.
return { args: ['--start-in-tray'] };
}
// Signal doesn't really use media keys so we set this switch here to unblock
// them so that other apps can use them if they need to.
app.commandLine.appendSwitch('disable-features', 'HardwareMediaKeyHandling');
// If we don't set this, Desktop will ask for access to keychain/keyring on startup
app.commandLine.appendSwitch('password-store', 'basic');
// <canvas/> rendering is often utterly broken on Linux when using GPU
// acceleration.
if (OS.isLinux()) {
app.disableHardwareAcceleration();
}
// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
let ready = false;
app.on('ready', async () => {
updateDefaultSession(session.defaultSession);
const [userDataPath, crashDumpsPath] = await Promise.all([
realpath(app.getPath('userData')),
realpath(app.getPath('crashDumps')),
]);
logger = await logging.initialize(getMainWindow);
await setupCrashReports(getLogger);
if (!locale) {
const appLocale = getAppLocale();
locale = loadLocale({ appLocale, logger: getLogger() });
}
sqlInitPromise = initializeSQL(userDataPath);
// First run: configure Signal to minimize to tray. Additionally, on Windows
// enable auto-start with start-in-tray so that starting from a Desktop icon
// would still show the window.
// (User can change these settings later)
if (
isSystemTraySupported(app.getVersion()) &&
(await systemTraySettingCache.get()) === SystemTraySetting.Uninitialized
) {
const newValue = SystemTraySetting.MinimizeToSystemTray;
getLogger().info(`app.ready: setting system-tray-setting to ${newValue}`);
systemTraySettingCache.set(newValue);
// Update both stores
ephemeralConfig.set('system-tray-setting', newValue);
await sql.sqlCall('createOrUpdateItem', [
{
id: 'system-tray-setting',
value: newValue,
},
]);
if (OS.isWindows()) {
getLogger().info('app.ready: enabling open at login');
app.setLoginItemSettings({
...(await getDefaultLoginItemSettings()),
openAtLogin: true,
});
}
}
const startTime = Date.now();
settingsChannel = new SettingsChannel();
settingsChannel.install();
// We use this event only a single time to log the startup time of the app
// from when it's first ready until the loading screen disappears.
ipc.once('signal-app-loaded', (event, info) => {
const { preloadTime, connectTime, processedCount } = info;
const loadTime = Date.now() - startTime;
const sqlInitTime = sqlInitTimeEnd - sqlInitTimeStart;
const messageTime = loadTime - preloadTime - connectTime;
const messagesPerSec = (processedCount * 1000) / messageTime;
const innerLogger = getLogger();
innerLogger.info('App loaded - time:', loadTime);
innerLogger.info('SQL init - time:', sqlInitTime);
innerLogger.info('Preload - time:', preloadTime);
innerLogger.info('WebSocket connect - time:', connectTime);
innerLogger.info('Processed count:', processedCount);
innerLogger.info('Messages per second:', messagesPerSec);
event.sender.send('ci:event', 'app-loaded', {
loadTime,
sqlInitTime,
preloadTime,
connectTime,
processedCount,
messagesPerSec,
});
});
const installPath = await realpath(app.getAppPath());
addSensitivePath(userDataPath);
addSensitivePath(crashDumpsPath);
if (getEnvironment() !== Environment.Test) {
installFileHandler({
protocol: electronProtocol,
userDataPath,
installPath,
isWindows: OS.isWindows(),
});
}
installWebHandler({
enableHttp: Boolean(process.env.SIGNAL_ENABLE_HTTP),
protocol: electronProtocol,
});
logger.info('app ready');
logger.info(`starting version ${packageJson.version}`);
// This logging helps us debug user reports about broken devices.
{
let getMediaAccessStatus;
// This function is not supported on Linux, so we have a fallback.
if (systemPreferences.getMediaAccessStatus) {
getMediaAccessStatus =
systemPreferences.getMediaAccessStatus.bind(systemPreferences);
} else {
getMediaAccessStatus = noop;
}
logger.info(
'media access status',
getMediaAccessStatus('microphone'),
getMediaAccessStatus('camera')
);
}
GlobalErrors.updateLocale(locale);
// If the sql initialization takes more than three seconds to complete, we
// want to notify the user that things are happening
const timeout = new Promise(resolveFn =>
setTimeout(resolveFn, 3000, 'timeout')
);
// This color is to be used only in loading screen and in this case we should
// never wait for the database to be initialized. Thus the theme setting
// lookup should be done only in ephemeral config.
const backgroundColor = await getBackgroundColor({ ephemeralOnly: true });
// eslint-disable-next-line more/no-then
Promise.race([sqlInitPromise, timeout]).then(async maybeTimeout => {
if (maybeTimeout !== 'timeout') {
return;
}
getLogger().info(
'sql.initialize is taking more than three seconds; showing loading dialog'
);
loadingWindow = new BrowserWindow({
show: false,
width: 300,
height: 265,
resizable: false,
frame: false,
backgroundColor,
webPreferences: {
...defaultWebPrefs,
nodeIntegration: false,
sandbox: false,
contextIsolation: true,
preload: join(__dirname, '../ts/windows/loading/preload.js'),
},
icon: windowIcon,
});
loadingWindow.once('ready-to-show', async () => {
if (!loadingWindow) {
return;
}
loadingWindow.show();
// Wait for sql initialization to complete, but ignore errors
await sqlInitPromise;
loadingWindow.destroy();
loadingWindow = undefined;
});
loadingWindow.loadURL(await prepareFileUrl([__dirname, '../loading.html']));
});
try {
await attachments.clearTempPath(userDataPath);
} catch (err) {
logger.error(
'main/ready: Error deleting temp dir:',
err && err.stack ? err.stack : err
);
}
// Initialize IPC channels before creating the window
attachmentChannel.initialize({
configDir: userDataPath,
cleanupOrphanedAttachments,
});
sqlChannels.initialize(sql);
PowerChannel.initialize({
send(event) {
if (!mainWindow) {
return;
}
mainWindow.webContents.send(event);
},
});
// Run window preloading in parallel with database initialization.
await createWindow();
const { error: sqlError } = await sqlInitPromise;
if (sqlError) {
getLogger().error('sql.initialize was unsuccessful; returning early');
await onDatabaseError(sqlError.stack || sqlError.message);
return;
}
appStartInitialSpellcheckSetting = await getSpellCheckSetting();
try {
const IDB_KEY = 'indexeddb-delete-needed';
const item = await sql.sqlCall('getItemById', [IDB_KEY]);
if (item && item.value) {
await sql.sqlCall('removeIndexedDBFiles', []);
await sql.sqlCall('removeItemById', [IDB_KEY]);
}
} catch (err) {
getLogger().error(
'(ready event handler) error deleting IndexedDB:',
err && err.stack ? err.stack : err
);
}
async function cleanupOrphanedAttachments() {
const allAttachments = await attachments.getAllAttachments(userDataPath);
const orphanedAttachments = await sql.sqlCall('removeKnownAttachments', [
allAttachments,
]);
await attachments.deleteAll({
userDataPath,
attachments: orphanedAttachments,
});
await attachments.deleteAllBadges({
userDataPath,
pathsToKeep: await sql.sqlCall('getAllBadgeImageFileLocalPaths', []),
});
const allStickers = await attachments.getAllStickers(userDataPath);
const orphanedStickers = await sql.sqlCall('removeKnownStickers', [
allStickers,
]);
await attachments.deleteAllStickers({
userDataPath,
stickers: orphanedStickers,
});
const allDraftAttachments = await attachments.getAllDraftAttachments(
userDataPath
);
const orphanedDraftAttachments = await sql.sqlCall(
'removeKnownDraftAttachments',
[allDraftAttachments]
);
await attachments.deleteAllDraftAttachments({
userDataPath,
attachments: orphanedDraftAttachments,
});
}
ready = true;
setupMenu();
systemTrayService = new SystemTrayService({ i18n: locale.i18n });
systemTrayService.setMainWindow(mainWindow);
systemTrayService.setEnabled(
shouldMinimizeToSystemTray(await systemTraySettingCache.get())
);
ensureFilePermissions([
'config.json',
'sql/db.sqlite',
'sql/db.sqlite-wal',
'sql/db.sqlite-shm',
]);
});
function setupMenu(options?: Partial<CreateTemplateOptionsType>) {
const { platform } = process;
menuOptions = {
// options
development,
devTools: defaultWebPrefs.devTools,
includeSetup: false,
isProduction: isProduction(app.getVersion()),
platform,
// actions
forceUpdate,
openContactUs,
openForums,
openJoinTheBeta,
openReleaseNotes,
openSupportPage,
setupAsNewDevice,
setupAsStandalone,
showAbout,
showDebugLog: showDebugLogWindow,
showKeyboardShortcuts,
showSettings: showSettingsWindow,
showStickerCreator,
showWindow,
// overrides
...options,
};
const template = createTemplate(menuOptions, getLocale().i18n);
const menu = Menu.buildFromTemplate(template);
Menu.setApplicationMenu(menu);
mainWindow?.webContents.send('window:set-menu-options', {
development: menuOptions.development,
devTools: menuOptions.devTools,
includeSetup: menuOptions.includeSetup,
isProduction: menuOptions.isProduction,
platform: menuOptions.platform,
});
}
async function requestShutdown() {
if (!mainWindow || !mainWindow.webContents) {
return;
}
getLogger().info('requestShutdown: Requesting close of mainWindow...');
const request = new Promise<void>(resolveFn => {
let timeout: NodeJS.Timeout | undefined;
if (!mainWindow) {
resolveFn();
return;
}
ipc.once('now-ready-for-shutdown', (_event, error) => {
getLogger().info('requestShutdown: Response received');
if (error) {
getLogger().error(
'requestShutdown: got error, still shutting down.',
error
);
}
clearTimeoutIfNecessary(timeout);
resolveFn();
});
mainWindow.webContents.send('get-ready-for-shutdown');
// We'll wait two minutes, then force the app to go down. This can happen if someone
// exits the app before we've set everything up in preload() (so the browser isn't
// yet listening for these events), or if there are a whole lot of stacked-up tasks.
// Note: two minutes is also our timeout for SQL tasks in data.js in the browser.
timeout = setTimeout(() => {
getLogger().error(
'requestShutdown: Response never received; forcing shutdown.'
);
resolveFn();
}, 2 * 60 * 1000);
});
try {
await request;
} catch (error) {
getLogger().error(
'requestShutdown error:',
error && error.stack ? error.stack : error
);
}
}
app.on('before-quit', () => {
getLogger().info('before-quit event', {
readyForShutdown: windowState.readyForShutdown(),
shouldQuit: windowState.shouldQuit(),
});
systemTrayService?.markShouldQuit();
windowState.markShouldQuit();
if (mainWindow) {
mainWindow.webContents.send('quit');
}
});
// Quit when all windows are closed.
app.on('window-all-closed', () => {
getLogger().info('main process handling window-all-closed');
// On OS X it is common for applications and their menu bar
// to stay active until the user quits explicitly with Cmd + Q
const shouldAutoClose = !OS.isMacOS() || isTestEnvironment(getEnvironment());
// Only automatically quit if the main window has been created
// This is necessary because `window-all-closed` can be triggered by the
// "optimizing application" window closing
if (shouldAutoClose && mainWindowCreated) {
app.quit();
}
});
app.on('activate', () => {
if (!ready) {
return;
}
// On OS X it's common to re-create a window in the app when the
// dock icon is clicked and there are no other windows open.
if (mainWindow) {
mainWindow.show();
} else {
createWindow();
}
});
// Defense in depth. We never intend to open webviews or windows. Prevent it completely.
app.on(
'web-contents-created',
(_createEvent: Electron.Event, contents: Electron.WebContents) => {
contents.on('will-attach-webview', attachEvent => {
attachEvent.preventDefault();
});
contents.on('new-window', newEvent => {
newEvent.preventDefault();
});
}
);
app.setAsDefaultProtocolClient('sgnl');
app.setAsDefaultProtocolClient('signalcaptcha');
app.on('will-finish-launching', () => {
// open-url must be set from within will-finish-launching for macOS
// https://stackoverflow.com/a/43949291
app.on('open-url', (event, incomingHref) => {
event.preventDefault();
if (isCaptchaHref(incomingHref, getLogger())) {
const { captcha } = parseCaptchaHref(incomingHref, getLogger());
challengeHandler.handleCaptcha(captcha);
// Show window after handling captcha
showWindow();
return;
}
handleSgnlHref(incomingHref);
});
});
ipc.on('set-badge-count', (_event: Electron.Event, count: number) => {
app.badgeCount = count;
});
ipc.on('remove-setup-menu-items', () => {
setupMenu();
});
ipc.on('add-setup-menu-items', () => {
setupMenu({
includeSetup: true,
});
});
ipc.on('draw-attention', () => {
if (!mainWindow) {
return;
}
if (OS.isWindows() || OS.isLinux()) {
mainWindow.flashFrame(true);
}
});
ipc.on('restart', () => {
getLogger().info('Relaunching application');
app.relaunch();
app.quit();
});
ipc.on('shutdown', () => {
app.quit();
});
ipc.on(
'set-auto-hide-menu-bar',
(_event: Electron.Event, autoHide: boolean) => {
if (mainWindow) {
mainWindow.autoHideMenuBar = autoHide;
}
}
);
ipc.on(
'set-menu-bar-visibility',
(_event: Electron.Event, visibility: boolean) => {
if (mainWindow) {
mainWindow.setMenuBarVisibility(visibility);
}
}
);
ipc.handle(
'update-system-tray-setting',
async (_event, rawSystemTraySetting /* : Readonly<unknown> */) => {
const { openAtLogin } = app.getLoginItemSettings(
await getDefaultLoginItemSettings()
);
const systemTraySetting = parseSystemTraySetting(rawSystemTraySetting);
systemTraySettingCache.set(systemTraySetting);
if (systemTrayService) {
const isEnabled = shouldMinimizeToSystemTray(systemTraySetting);
systemTrayService.setEnabled(isEnabled);
}
// Default login item settings might have changed, so update the object.
getLogger().info('refresh-auto-launch: new value', openAtLogin);
app.setLoginItemSettings({
...(await getDefaultLoginItemSettings()),
openAtLogin,
});
}
);
ipc.on('close-screen-share-controller', () => {
if (screenShareWindow) {
screenShareWindow.close();
}
});
ipc.on('stop-screen-share', () => {
if (mainWindow) {
mainWindow.webContents.send('stop-screen-share');
}
});
ipc.on('show-screen-share', (_event: Electron.Event, sourceName: string) => {
showScreenShareWindow(sourceName);
});
ipc.on('update-tray-icon', (_event: Electron.Event, unreadCount: number) => {
if (systemTrayService) {
systemTrayService.setUnreadCount(unreadCount);
}
});
// Debug Log-related IPC calls
ipc.on('show-debug-log', showDebugLogWindow);
ipc.on(
'show-debug-log-save-dialog',
async (_event: Electron.Event, logText: string) => {
const { filePath } = await dialog.showSaveDialog({
defaultPath: 'debuglog.txt',
});
if (filePath) {
await writeFile(filePath, logText);
}
}
);
// Permissions Popup-related IPC calls
ipc.handle(
'show-permissions-popup',
async (_event: Electron.Event, forCalling: boolean, forCamera: boolean) => {
try {
await showPermissionsPopupWindow(forCalling, forCamera);
} catch (error) {
getLogger().error(
'show-permissions-popup error:',
error && error.stack ? error.stack : error
);
}
}
);
// Settings-related IPC calls
function addDarkOverlay() {
if (mainWindow && mainWindow.webContents) {
mainWindow.webContents.send('add-dark-overlay');
}
}
function removeDarkOverlay() {
if (mainWindow && mainWindow.webContents) {
mainWindow.webContents.send('remove-dark-overlay');
}
}
ipc.on('show-settings', showSettingsWindow);
ipc.on('delete-all-data', () => {
if (settingsWindow) {
settingsWindow.close();
}
if (mainWindow && mainWindow.webContents) {
mainWindow.webContents.send('delete-all-data');
}
});
ipc.on('get-built-in-images', async () => {
if (!mainWindow) {
getLogger().warn('ipc/get-built-in-images: No mainWindow!');
return;
}
try {
const images = await attachments.getBuiltInImages();
mainWindow.webContents.send('get-success-built-in-images', null, images);
} catch (error) {
if (mainWindow && mainWindow.webContents) {
mainWindow.webContents.send('get-success-built-in-images', error.message);
} else {
getLogger().error('Error handling get-built-in-images:', error.stack);
}
}
});
// Ingested in preload.js via a sendSync call
ipc.on('locale-data', event => {
// eslint-disable-next-line no-param-reassign
event.returnValue = getLocale().messages;
});
ipc.on('user-config-key', event => {
// eslint-disable-next-line no-param-reassign
event.returnValue = userConfig.get('key');
});
ipc.on('get-user-data-path', event => {
// eslint-disable-next-line no-param-reassign
event.returnValue = app.getPath('userData');
});
// Refresh the settings window whenever preferences change
ipc.on('preferences-changed', () => {
for (const window of activeWindows) {
if (window.webContents) {
window.webContents.send('preferences-changed');
}
}
});
function getIncomingHref(argv: Array<string>) {
return argv.find(arg => isSgnlHref(arg, getLogger()));
}
function getIncomingCaptchaHref(argv: Array<string>) {
return argv.find(arg => isCaptchaHref(arg, getLogger()));
}
function handleSgnlHref(incomingHref: string) {
let command;
let args;
let hash;
if (isSgnlHref(incomingHref, getLogger())) {
({ command, args, hash } = parseSgnlHref(incomingHref, getLogger()));
} else if (isSignalHttpsLink(incomingHref, getLogger())) {
({ command, args, hash } = parseSignalHttpsLink(incomingHref, getLogger()));
}
if (mainWindow && mainWindow.webContents) {
if (command === 'addstickers') {
getLogger().info('Opening sticker pack from sgnl protocol link');
const packId = args?.get('pack_id');
const packKeyHex = args?.get('pack_key');
const packKey = packKeyHex
? Buffer.from(packKeyHex, 'hex').toString('base64')
: '';
mainWindow.webContents.send('show-sticker-pack', { packId, packKey });
} else if (command === 'signal.group' && hash) {
getLogger().info('Showing group from sgnl protocol link');
mainWindow.webContents.send('show-group-via-link', { hash });
} else if (command === 'signal.me' && hash) {
getLogger().info('Showing conversation from sgnl protocol link');
mainWindow.webContents.send('show-conversation-via-signal.me', { hash });
} else {
getLogger().info('Showing warning that we cannot process link');
mainWindow.webContents.send('unknown-sgnl-link');
}
} else {
getLogger().error('Unhandled sgnl link');
}
}
ipc.on('install-sticker-pack', (_event, packId, packKeyHex) => {
const packKey = Buffer.from(packKeyHex, 'hex').toString('base64');
if (mainWindow) {
mainWindow.webContents.send('install-sticker-pack', { packId, packKey });
}
});
ipc.on('ensure-file-permissions', async event => {
await ensureFilePermissions();
event.reply('ensure-file-permissions-done');
});
/**
* Ensure files in the user's data directory have the proper permissions.
* Optionally takes an array of file paths to exclusively affect.
*
* @param {string[]} [onlyFiles] - Only ensure permissions on these given files
*/
async function ensureFilePermissions(onlyFiles?: Array<string>) {
getLogger().info('Begin ensuring permissions');
const start = Date.now();
const userDataPath = await realpath(app.getPath('userData'));
// fast-glob uses `/` for all platforms
const userDataGlob = normalizePath(join(userDataPath, '**', '*'));
// Determine files to touch
const files = onlyFiles
? onlyFiles.map(f => join(userDataPath, f))
: await fastGlob(userDataGlob, {
markDirectories: true,
onlyFiles: false,
ignore: ['**/Singleton*'],
});
getLogger().info(`Ensuring file permissions for ${files.length} files`);
// Touch each file in a queue
const q = new PQueue({ concurrency: 5, timeout: 1000 * 60 * 2 });
q.addAll(
files.map(f => async () => {
const isDir = f.endsWith('/');
try {
await chmod(normalize(f), isDir ? 0o700 : 0o600);
} catch (error) {
getLogger().error(
'ensureFilePermissions: Error from chmod',
error.message
);
}
})
);
await q.onEmpty();
getLogger().info(`Finish ensuring permissions in ${Date.now() - start}ms`);
}
ipc.handle('get-auto-launch', async () => {
return app.getLoginItemSettings(await getDefaultLoginItemSettings())
.openAtLogin;
});
ipc.handle('set-auto-launch', async (_event, value) => {
const openAtLogin = Boolean(value);
getLogger().info('set-auto-launch: new value', openAtLogin);
app.setLoginItemSettings({
...(await getDefaultLoginItemSettings()),
openAtLogin,
});
});
ipc.on('show-message-box', (_event, { type, message }) => {
dialog.showMessageBox({ type, message });
});
ipc.on('show-item-in-folder', (_event, folder) => {
shell.showItemInFolder(folder);
});
ipc.handle('show-save-dialog', async (_event, { defaultPath }) => {
if (!mainWindow) {
getLogger().warn('show-save-dialog: no main window');
return { canceled: true };
}
return dialog.showSaveDialog(mainWindow, {
defaultPath,
});
});
ipc.handle('getScreenCaptureSources', async () => {
return desktopCapturer.getSources({
fetchWindowIcons: true,
thumbnailSize: { height: 102, width: 184 },
types: ['window', 'screen'],
});
});
ipc.handle('executeMenuRole', async ({ sender }, untypedRole) => {
const role = untypedRole as MenuItemConstructorOptions['role'];
const senderWindow = BrowserWindow.fromWebContents(sender);
switch (role) {
case 'undo':
sender.undo();
break;
case 'redo':
sender.redo();
break;
case 'cut':
sender.cut();
break;
case 'copy':
sender.copy();
break;
case 'paste':
sender.paste();
break;
case 'pasteAndMatchStyle':
sender.pasteAndMatchStyle();
break;
case 'delete':
sender.delete();
break;
case 'selectAll':
sender.selectAll();
break;
case 'reload':
sender.reload();
break;
case 'toggleDevTools':
sender.toggleDevTools();
break;
case 'resetZoom':
sender.setZoomLevel(0);
break;
case 'zoomIn':
sender.setZoomLevel(sender.getZoomLevel() + 1);
break;
case 'zoomOut':
sender.setZoomLevel(sender.getZoomLevel() - 1);
break;
case 'togglefullscreen':
senderWindow?.setFullScreen(!senderWindow?.isFullScreen());
break;
case 'minimize':
senderWindow?.minimize();
break;
case 'close':
senderWindow?.close();
break;
case 'quit':
app.quit();
break;
default:
// ignored
break;
}
});
ipc.handle('getMainWindowStats', async () => {
return {
isMaximized: windowConfig?.maximized ?? false,
isFullScreen: windowConfig?.fullscreen ?? false,
};
});
ipc.handle('getMenuOptions', async () => {
return {
development: menuOptions?.development ?? false,
devTools: menuOptions?.devTools ?? false,
includeSetup: menuOptions?.includeSetup ?? false,
isProduction: menuOptions?.isProduction ?? true,
platform: menuOptions?.platform ?? 'unknown',
};
});
ipc.handle('executeMenuAction', async (_event, action: MenuActionType) => {
if (action === 'forceUpdate') {
forceUpdate();
} else if (action === 'openContactUs') {
openContactUs();
} else if (action === 'openForums') {
openForums();
} else if (action === 'openJoinTheBeta') {
openJoinTheBeta();
} else if (action === 'openReleaseNotes') {
openReleaseNotes();
} else if (action === 'openSupportPage') {
openSupportPage();
} else if (action === 'setupAsNewDevice') {
setupAsNewDevice();
} else if (action === 'setupAsStandalone') {
setupAsStandalone();
} else if (action === 'showAbout') {
showAbout();
} else if (action === 'showDebugLog') {
showDebugLogWindow();
} else if (action === 'showKeyboardShortcuts') {
showKeyboardShortcuts();
} else if (action === 'showSettings') {
showSettingsWindow();
} else if (action === 'showStickerCreator') {
showStickerCreator();
} else if (action === 'showWindow') {
showWindow();
} else {
throw missingCaseError(action);
}
});
if (isTestEnvironment(getEnvironment())) {
ipc.handle('ci:test-electron:done', async (_event, info) => {
if (!process.env.TEST_QUIT_ON_COMPLETE) {
return;
}
process.stdout.write(
`ci:test-electron:done=${JSON.stringify(info)}\n`,
() => app.quit()
);
});
}