933 lines
25 KiB
TypeScript
933 lines
25 KiB
TypeScript
// Copyright 2019 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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/* eslint-disable no-console */
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import { createWriteStream } from 'fs';
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import { pathExists } from 'fs-extra';
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import { readdir, stat, writeFile, mkdir } from 'fs/promises';
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import { join, normalize, extname } from 'path';
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import { tmpdir, release as osRelease } from 'os';
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import { throttle } from 'lodash';
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import type { ParserConfiguration } from 'dashdash';
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import { createParser } from 'dashdash';
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import { FAILSAFE_SCHEMA, safeLoad } from 'js-yaml';
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import { gt, lt } from 'semver';
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import config from 'config';
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import got from 'got';
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import { v4 as getGuid } from 'uuid';
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import type { BrowserWindow } from 'electron';
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import { app, ipcMain } from 'electron';
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import * as durations from '../util/durations';
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import { getTempPath, getUpdateCachePath } from '../../app/attachments';
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import { DialogType } from '../types/Dialogs';
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import * as Errors from '../types/errors';
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import { isAlpha, isBeta, isStaging } from '../util/version';
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import { strictAssert } from '../util/assert';
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import * as packageJson from '../../package.json';
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import {
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hexToBinary,
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verifySignature,
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getSignatureFileName,
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} from './signature';
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import { isPathInside } from '../util/isPathInside';
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import type { SettingsChannel } from '../main/settingsChannel';
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import type { LoggerType } from '../types/Logging';
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import { getGotOptions } from './got';
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import { checkIntegrity, gracefulRename, gracefulRimraf } from './util';
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import type { PrepareDownloadResultType as DifferentialDownloadDataType } from './differential';
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import {
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prepareDownload as prepareDifferentialDownload,
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download as downloadDifferentialData,
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getBlockMapFileName,
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isValidPreparedData as isValidDifferentialData,
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} from './differential';
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const INTERVAL = 30 * durations.MINUTE;
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type JSONUpdateSchema = {
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version: string;
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files: Array<{
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url: string;
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sha512: string;
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size: string;
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blockMapSize?: string;
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}>;
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path: string;
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sha512: string;
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releaseDate: string;
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vendor?: {
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requireManualUpdate?: boolean;
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minOSVersion?: string;
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};
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};
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export type UpdateInformationType = {
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fileName: string;
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size: number;
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version: string;
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sha512: string;
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differentialData: DifferentialDownloadDataType | undefined;
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};
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enum DownloadMode {
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DifferentialOnly = 'DifferentialOnly',
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FullOnly = 'FullOnly',
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Automatic = 'Automatic',
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}
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type DownloadUpdateResultType = Readonly<{
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updateFilePath: string;
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signature: Buffer;
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}>;
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export abstract class Updater {
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protected fileName: string | undefined;
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protected version: string | undefined;
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protected cachedDifferentialData: DifferentialDownloadDataType | undefined;
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private throttledSendDownloadingUpdate: (downloadedSize: number) => void;
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private activeDownload: Promise<boolean> | undefined;
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private markedCannotUpdate = false;
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constructor(
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protected readonly logger: LoggerType,
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private readonly settingsChannel: SettingsChannel,
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protected readonly getMainWindow: () => BrowserWindow | undefined
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) {
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this.throttledSendDownloadingUpdate = throttle((downloadedSize: number) => {
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const mainWindow = this.getMainWindow();
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mainWindow?.webContents.send(
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'show-update-dialog',
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DialogType.Downloading,
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{ downloadedSize }
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);
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}, 500);
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}
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//
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// Public APIs
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//
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public async force(): Promise<void> {
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return this.checkForUpdatesMaybeInstall(true);
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}
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public async start(): Promise<void> {
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this.logger.info('updater/start: starting checks...');
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setInterval(async () => {
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try {
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await this.checkForUpdatesMaybeInstall();
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} catch (error) {
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this.logger.error(`updater/start: ${Errors.toLogFormat(error)}`);
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}
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}, INTERVAL);
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await this.deletePreviousInstallers();
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await this.checkForUpdatesMaybeInstall();
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}
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//
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// Abstract methods
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//
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protected abstract deletePreviousInstallers(): Promise<void>;
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protected abstract installUpdate(updateFilePath: string): Promise<void>;
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//
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// Protected methods
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//
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protected setUpdateListener(
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performUpdateCallback: () => Promise<void>
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): void {
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ipcMain.removeHandler('start-update');
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ipcMain.handleOnce('start-update', performUpdateCallback);
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}
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protected markCannotUpdate(
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error: Error,
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dialogType = DialogType.Cannot_Update
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): void {
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if (this.markedCannotUpdate) {
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this.logger.warn(
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'updater/markCannotUpdate: already marked',
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Errors.toLogFormat(error)
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);
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return;
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}
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this.markedCannotUpdate = true;
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this.logger.error(
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'updater/markCannotUpdate: marking due to error: ' +
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`${Errors.toLogFormat(error)}, ` +
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`dialogType: ${dialogType}`
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);
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const mainWindow = this.getMainWindow();
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mainWindow?.webContents.send('show-update-dialog', dialogType);
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this.setUpdateListener(async () => {
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this.logger.info('updater/markCannotUpdate: retrying after user action');
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this.markedCannotUpdate = false;
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await this.checkForUpdatesMaybeInstall();
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});
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}
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//
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// Private methods
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//
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private async downloadAndInstall(
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updateInfo: UpdateInformationType,
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mode: DownloadMode
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): Promise<boolean> {
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if (this.activeDownload) {
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return this.activeDownload;
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}
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try {
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this.activeDownload = this.doDownloadAndInstall(updateInfo, mode);
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return await this.activeDownload;
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} finally {
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this.activeDownload = undefined;
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}
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}
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private async doDownloadAndInstall(
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updateInfo: UpdateInformationType,
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mode: DownloadMode
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): Promise<boolean> {
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const { logger } = this;
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const { fileName: newFileName, version: newVersion } = updateInfo;
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try {
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const oldVersion = this.version;
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this.version = newVersion;
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let downloadResult: DownloadUpdateResultType | undefined;
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try {
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downloadResult = await this.downloadUpdate(updateInfo, mode);
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} catch (error) {
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// Restore state in case of download error
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this.version = oldVersion;
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throw error;
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}
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if (!downloadResult) {
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logger.warn('downloadAndInstall: no update was downloaded');
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strictAssert(
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mode !== DownloadMode.Automatic && mode !== DownloadMode.FullOnly,
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'Automatic and full mode downloads are guaranteed to happen or error'
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);
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return false;
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}
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const { updateFilePath, signature } = downloadResult;
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const publicKey = hexToBinary(config.get('updatesPublicKey'));
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const verified = await verifySignature(
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updateFilePath,
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this.version,
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signature,
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publicKey
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);
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if (!verified) {
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// Note: We don't delete the cache here, because we don't want to continually
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// re-download the broken release. We will download it only once per launch.
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throw new Error(
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'Downloaded update did not pass signature verification ' +
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`(version: '${this.version}'; fileName: '${newFileName}')`
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);
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}
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await this.installUpdate(updateFilePath);
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const mainWindow = this.getMainWindow();
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if (mainWindow) {
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logger.info('downloadAndInstall: showing update dialog...');
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mainWindow.webContents.send(
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'show-update-dialog',
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mode === DownloadMode.Automatic
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? DialogType.AutoUpdate
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: DialogType.DownloadedUpdate,
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{
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version: this.version,
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}
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);
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} else {
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logger.warn(
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'downloadAndInstall: no mainWindow, cannot show update dialog'
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);
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}
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return true;
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} catch (error) {
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logger.error(`downloadAndInstall: ${Errors.toLogFormat(error)}`);
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this.markCannotUpdate(error);
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throw error;
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}
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}
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private async checkForUpdatesMaybeInstall(force = false): Promise<void> {
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const { logger } = this;
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logger.info('checkForUpdatesMaybeInstall: checking for update...');
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const updateInfo = await this.checkForUpdates(force);
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if (!updateInfo) {
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return;
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}
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const { version: newVersion } = updateInfo;
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if (!force && this.version && !gt(newVersion, this.version)) {
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return;
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}
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const autoDownloadUpdates = await this.getAutoDownloadUpdateSetting();
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if (autoDownloadUpdates) {
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await this.downloadAndInstall(updateInfo, DownloadMode.Automatic);
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return;
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}
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let mode = DownloadMode.FullOnly;
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if (updateInfo.differentialData) {
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mode = DownloadMode.DifferentialOnly;
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}
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await this.offerUpdate(updateInfo, mode, 0);
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}
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private async offerUpdate(
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updateInfo: UpdateInformationType,
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mode: DownloadMode,
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attempt: number
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): Promise<void> {
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const { logger } = this;
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this.setUpdateListener(async () => {
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logger.info('offerUpdate: have not downloaded update, going to download');
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const didDownload = await this.downloadAndInstall(updateInfo, mode);
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if (!didDownload && mode === DownloadMode.DifferentialOnly) {
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this.logger.warn(
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'offerUpdate: Failed to download differential update, offering full'
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);
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return this.offerUpdate(updateInfo, DownloadMode.FullOnly, attempt + 1);
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}
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strictAssert(didDownload, 'FullOnly must always download update');
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});
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const mainWindow = this.getMainWindow();
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if (!mainWindow) {
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logger.warn('offerUpdate: no mainWindow, cannot show update dialog');
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return;
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}
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let downloadSize: number;
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if (mode === DownloadMode.DifferentialOnly) {
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strictAssert(
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updateInfo.differentialData,
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'Must have differential data in DifferentialOnly mode'
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);
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downloadSize = updateInfo.differentialData.downloadSize;
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} else {
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downloadSize = updateInfo.size;
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}
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logger.info(`offerUpdate: offering ${mode} update`);
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mainWindow.webContents.send(
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'show-update-dialog',
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attempt === 0 ? DialogType.DownloadReady : DialogType.FullDownloadReady,
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{
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downloadSize,
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downloadMode: mode,
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version: updateInfo.version,
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}
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);
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}
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private async checkForUpdates(
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forceUpdate = false
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): Promise<UpdateInformationType | undefined> {
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const yaml = await getUpdateYaml();
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const parsedYaml = parseYaml(yaml);
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const { vendor } = parsedYaml;
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if (vendor) {
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if (vendor.requireManualUpdate) {
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this.logger.warn('checkForUpdates: manual update required');
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this.markCannotUpdate(
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new Error('yaml file has requireManualUpdate flag'),
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DialogType.Cannot_Update_Require_Manual
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);
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return;
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}
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if (vendor.minOSVersion && lt(osRelease(), vendor.minOSVersion)) {
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this.logger.warn(
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`checkForUpdates: OS version ${osRelease()} is less than the ` +
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`minimum supported version ${vendor.minOSVersion}`
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);
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this.markCannotUpdate(
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new Error('yaml file has unsatisfied minOSVersion value'),
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DialogType.UnsupportedOS
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);
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return;
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}
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}
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const version = getVersion(parsedYaml);
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if (!version) {
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this.logger.warn(
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'checkForUpdates: no version extracted from downloaded yaml'
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);
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return;
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}
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if (!forceUpdate && !isVersionNewer(version)) {
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this.logger.info(
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`checkForUpdates: ${version} is not newer than ${packageJson.version}; ` +
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'no new update available'
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);
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return;
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}
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this.logger.info(
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`checkForUpdates: found newer version ${version} ` +
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`forceUpdate=${forceUpdate}`
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);
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const fileName = getUpdateFileName(
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parsedYaml,
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process.platform,
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await this.getArch()
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);
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const sha512 = getSHA512(parsedYaml, fileName);
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strictAssert(sha512 !== undefined, 'Missing required hash');
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const latestInstaller = await this.getLatestCachedInstaller(
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extname(fileName)
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);
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let differentialData: DifferentialDownloadDataType | undefined;
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if (latestInstaller) {
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this.logger.info(
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`checkForUpdates: Found local installer ${latestInstaller}`
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);
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const diffOptions = {
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oldFile: latestInstaller,
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newUrl: `${getUpdatesBase()}/${fileName}`,
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sha512,
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};
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if (
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this.cachedDifferentialData &&
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isValidDifferentialData(this.cachedDifferentialData, diffOptions)
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) {
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this.logger.info('checkForUpdates: using cached differential data');
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differentialData = this.cachedDifferentialData;
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} else {
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try {
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differentialData = await prepareDifferentialDownload(diffOptions);
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this.cachedDifferentialData = differentialData;
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this.logger.info(
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'checkForUpdates: differential download size',
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differentialData.downloadSize
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);
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} catch (error) {
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this.logger.error(
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'checkForUpdates: Failed to prepare differential update',
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Errors.toLogFormat(error)
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);
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this.cachedDifferentialData = undefined;
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}
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}
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}
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return {
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fileName,
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size: getSize(parsedYaml, fileName),
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version,
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sha512,
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differentialData,
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};
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}
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private async getLatestCachedInstaller(
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extension: string
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): Promise<string | undefined> {
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const cacheDir = await createUpdateCacheDirIfNeeded();
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const oldFiles = (await readdir(cacheDir)).map(fileName => {
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return join(cacheDir, fileName);
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});
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return oldFiles.find(fileName => extname(fileName) === extension);
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}
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|
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private async downloadUpdate(
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{ fileName, sha512, differentialData }: UpdateInformationType,
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mode: DownloadMode
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): Promise<DownloadUpdateResultType | undefined> {
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const baseUrl = getUpdatesBase();
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const updateFileUrl = `${baseUrl}/${fileName}`;
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const updateOnProgress = mode !== DownloadMode.Automatic;
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const signatureFileName = getSignatureFileName(fileName);
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const blockMapFileName = getBlockMapFileName(fileName);
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const signatureUrl = `${baseUrl}/${signatureFileName}`;
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const blockMapUrl = `${baseUrl}/${blockMapFileName}`;
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let cacheDir = await createUpdateCacheDirIfNeeded();
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const targetUpdatePath = join(cacheDir, fileName);
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const tempDir = await createTempDir();
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const tempUpdatePath = join(tempDir, fileName);
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const tempBlockMapPath = join(tempDir, blockMapFileName);
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|
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// If true - we will attempt to install from a temporary directory.
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let tempPathFailover = false;
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try {
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validatePath(cacheDir, targetUpdatePath);
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validatePath(tempDir, tempUpdatePath);
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validatePath(tempDir, tempBlockMapPath);
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this.logger.info(`downloadUpdate: Downloading signature ${signatureUrl}`);
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const signature = Buffer.from(
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await got(signatureUrl, getGotOptions()).text(),
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'hex'
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);
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|
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if (differentialData) {
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this.logger.info(`downloadUpdate: Saving blockmap ${blockMapUrl}`);
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await writeFile(tempBlockMapPath, differentialData.newBlockMap);
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} else {
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try {
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this.logger.info(
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`downloadUpdate: Downloading blockmap ${blockMapUrl}`
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);
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const blockMap = await got(blockMapUrl, getGotOptions()).buffer();
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await writeFile(tempBlockMapPath, blockMap);
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} catch (error) {
|
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this.logger.warn(
|
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'downloadUpdate: Failed to download blockmap, continuing',
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Errors.toLogFormat(error)
|
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);
|
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}
|
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}
|
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|
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let gotUpdate = false;
|
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if (!gotUpdate && (await pathExists(targetUpdatePath))) {
|
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const checkResult = await checkIntegrity(targetUpdatePath, sha512);
|
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if (checkResult.ok) {
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this.logger.info(
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`downloadUpdate: Not downloading update ${updateFileUrl}, ` +
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'local file has the same hash'
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);
|
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|
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// Move file into downloads directory
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try {
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await gracefulRename(this.logger, targetUpdatePath, tempUpdatePath);
|
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gotUpdate = true;
|
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} catch (error) {
|
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this.logger.error(
|
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'downloadUpdate: failed to move already downloaded file',
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Errors.toLogFormat(error)
|
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);
|
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}
|
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} else {
|
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this.logger.error(
|
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'downloadUpdate: integrity check failure',
|
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checkResult.error
|
|
);
|
|
}
|
|
}
|
|
|
|
const isDifferentialEnabled =
|
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differentialData && mode !== DownloadMode.FullOnly;
|
|
if (!gotUpdate && isDifferentialEnabled) {
|
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this.logger.info(
|
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`downloadUpdate: Downloading differential update ${updateFileUrl}`
|
|
);
|
|
|
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try {
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await downloadDifferentialData(tempUpdatePath, differentialData, {
|
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statusCallback: updateOnProgress
|
|
? this.throttledSendDownloadingUpdate
|
|
: undefined,
|
|
logger: this.logger,
|
|
});
|
|
|
|
gotUpdate = true;
|
|
} catch (error) {
|
|
this.logger.error(
|
|
'downloadUpdate: Failed to apply differential update',
|
|
Errors.toLogFormat(error)
|
|
);
|
|
}
|
|
}
|
|
|
|
const isFullEnabled = mode !== DownloadMode.DifferentialOnly;
|
|
if (!gotUpdate && isFullEnabled) {
|
|
this.logger.info(
|
|
`downloadUpdate: Downloading full update ${updateFileUrl}`
|
|
);
|
|
|
|
// We could have failed to update differentially due to low free disk
|
|
// space. Remove all cached updates since we are doing a full download
|
|
// anyway.
|
|
await gracefulRimraf(this.logger, cacheDir);
|
|
cacheDir = await createUpdateCacheDirIfNeeded();
|
|
|
|
await this.downloadAndReport(
|
|
updateFileUrl,
|
|
tempUpdatePath,
|
|
updateOnProgress
|
|
);
|
|
gotUpdate = true;
|
|
}
|
|
|
|
if (!gotUpdate) {
|
|
return undefined;
|
|
}
|
|
|
|
this.logger.info(
|
|
'downloadUpdate: Downloaded update, moving into cache dir'
|
|
);
|
|
|
|
// Backup old files
|
|
const restoreDir = await getTempDir();
|
|
await gracefulRename(this.logger, cacheDir, restoreDir);
|
|
|
|
// Move the files into the final position
|
|
try {
|
|
await gracefulRename(this.logger, tempDir, cacheDir);
|
|
} catch (error) {
|
|
try {
|
|
// Attempt to restore old files
|
|
await gracefulRename(this.logger, restoreDir, cacheDir);
|
|
} catch (restoreError) {
|
|
this.logger.warn(
|
|
'downloadUpdate: Failed to restore from backup folder, ignoring',
|
|
Errors.toLogFormat(restoreError)
|
|
);
|
|
}
|
|
|
|
this.logger.warn(
|
|
'downloadUpdate: running update from a temporary folder due to error',
|
|
Errors.toLogFormat(error)
|
|
);
|
|
tempPathFailover = true;
|
|
return { updateFilePath: tempUpdatePath, signature };
|
|
}
|
|
|
|
try {
|
|
await deleteTempDir(this.logger, restoreDir);
|
|
} catch (error) {
|
|
this.logger.warn(
|
|
'downloadUpdate: Failed to remove backup folder, ignoring',
|
|
Errors.toLogFormat(error)
|
|
);
|
|
}
|
|
|
|
return { updateFilePath: targetUpdatePath, signature };
|
|
} finally {
|
|
if (!tempPathFailover) {
|
|
await deleteTempDir(this.logger, tempDir);
|
|
}
|
|
}
|
|
}
|
|
|
|
private async downloadAndReport(
|
|
updateFileUrl: string,
|
|
targetUpdatePath: string,
|
|
updateOnProgress = false
|
|
): Promise<void> {
|
|
const downloadStream = got.stream(updateFileUrl, getGotOptions());
|
|
const writeStream = createWriteStream(targetUpdatePath);
|
|
|
|
await new Promise<void>((resolve, reject) => {
|
|
if (updateOnProgress) {
|
|
let downloadedSize = 0;
|
|
|
|
downloadStream.on('data', data => {
|
|
downloadedSize += data.length;
|
|
this.throttledSendDownloadingUpdate(downloadedSize);
|
|
});
|
|
}
|
|
|
|
downloadStream.on('error', error => {
|
|
reject(error);
|
|
});
|
|
downloadStream.on('end', () => {
|
|
resolve();
|
|
});
|
|
|
|
writeStream.on('error', error => {
|
|
reject(error);
|
|
});
|
|
|
|
downloadStream.pipe(writeStream);
|
|
});
|
|
}
|
|
|
|
private async getAutoDownloadUpdateSetting(): Promise<boolean> {
|
|
try {
|
|
return await this.settingsChannel.getSettingFromMainWindow(
|
|
'autoDownloadUpdate'
|
|
);
|
|
} catch (error) {
|
|
this.logger.warn(
|
|
'getAutoDownloadUpdateSetting: Failed to fetch, returning false',
|
|
Errors.toLogFormat(error)
|
|
);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
private async getArch(): Promise<typeof process.arch> {
|
|
if (process.platform !== 'darwin' || process.arch === 'arm64') {
|
|
return process.arch;
|
|
}
|
|
|
|
if (app.runningUnderARM64Translation) {
|
|
this.logger.info('updater: running under arm64 translation');
|
|
return 'arm64';
|
|
}
|
|
|
|
this.logger.info('updater: not running under arm64 translation');
|
|
return process.arch;
|
|
}
|
|
}
|
|
|
|
export function validatePath(basePath: string, targetPath: string): void {
|
|
const normalized = normalize(targetPath);
|
|
|
|
if (!isPathInside(normalized, basePath)) {
|
|
throw new Error(
|
|
`validatePath: Path ${normalized} is not under base path ${basePath}`
|
|
);
|
|
}
|
|
}
|
|
|
|
// Helper functions
|
|
|
|
export function getUpdateCheckUrl(): string {
|
|
return `${getUpdatesBase()}/${getUpdatesFileName()}`;
|
|
}
|
|
|
|
export function getUpdatesBase(): string {
|
|
return config.get('updatesUrl');
|
|
}
|
|
|
|
export function getUpdatesFileName(): string {
|
|
const prefix = getChannel();
|
|
|
|
if (process.platform === 'darwin') {
|
|
return `${prefix}-mac.yml`;
|
|
}
|
|
|
|
return `${prefix}.yml`;
|
|
}
|
|
|
|
function getChannel(): string {
|
|
const { version } = packageJson;
|
|
|
|
if (isStaging(version)) {
|
|
return 'staging';
|
|
}
|
|
if (isAlpha(version)) {
|
|
return 'alpha';
|
|
}
|
|
if (isBeta(version)) {
|
|
return 'beta';
|
|
}
|
|
return 'latest';
|
|
}
|
|
|
|
function isVersionNewer(newVersion: string): boolean {
|
|
const { version } = packageJson;
|
|
|
|
return gt(newVersion, version);
|
|
}
|
|
|
|
export function getVersion(info: JSONUpdateSchema): string | null {
|
|
return info && info.version;
|
|
}
|
|
|
|
const validFile = /^[A-Za-z0-9.-]+$/;
|
|
export function isUpdateFileNameValid(name: string): boolean {
|
|
return validFile.test(name);
|
|
}
|
|
|
|
export function getUpdateFileName(
|
|
info: JSONUpdateSchema,
|
|
platform: typeof process.platform,
|
|
arch: typeof process.arch
|
|
): string {
|
|
if (!info || !info.path) {
|
|
throw new Error('getUpdateFileName: No path present in YAML file');
|
|
}
|
|
|
|
let path: string | undefined;
|
|
if (platform === 'darwin') {
|
|
const { files } = info;
|
|
|
|
const candidates = files.filter(
|
|
({ url }) => url.includes(arch) && url.endsWith('.zip')
|
|
);
|
|
|
|
if (candidates.length === 1) {
|
|
path = candidates[0].url;
|
|
}
|
|
}
|
|
|
|
path = path ?? info.path;
|
|
|
|
if (!isUpdateFileNameValid(path)) {
|
|
throw new Error(
|
|
`getUpdateFileName: Path '${path}' contains invalid characters`
|
|
);
|
|
}
|
|
|
|
return path;
|
|
}
|
|
|
|
function getSHA512(
|
|
info: JSONUpdateSchema,
|
|
fileName: string
|
|
): string | undefined {
|
|
if (!info || !info.files) {
|
|
throw new Error('getSHA512: No files present in YAML file');
|
|
}
|
|
|
|
const foundFile = info.files.find(file => file.url === fileName);
|
|
|
|
return foundFile?.sha512;
|
|
}
|
|
|
|
function getSize(info: JSONUpdateSchema, fileName: string): number {
|
|
if (!info || !info.files) {
|
|
throw new Error('getSize: No files present in YAML file');
|
|
}
|
|
|
|
const foundFile = info.files.find(file => file.url === fileName);
|
|
|
|
return Number(foundFile?.size) || 0;
|
|
}
|
|
|
|
export function parseYaml(yaml: string): JSONUpdateSchema {
|
|
return safeLoad(yaml, { schema: FAILSAFE_SCHEMA, json: true });
|
|
}
|
|
|
|
async function getUpdateYaml(): Promise<string> {
|
|
const targetUrl = getUpdateCheckUrl();
|
|
const body = await got(targetUrl, getGotOptions()).text();
|
|
|
|
if (!body) {
|
|
throw new Error('Got unexpected response back from update check');
|
|
}
|
|
|
|
return body;
|
|
}
|
|
|
|
function getBaseTempDir() {
|
|
// We only use tmpdir() when this code is run outside of an Electron app (as in: tests)
|
|
return app ? getTempPath(app.getPath('userData')) : tmpdir();
|
|
}
|
|
|
|
export async function createTempDir(): Promise<string> {
|
|
const targetDir = await getTempDir();
|
|
|
|
await mkdir(targetDir, { recursive: true });
|
|
|
|
return targetDir;
|
|
}
|
|
|
|
export async function getTempDir(): Promise<string> {
|
|
const baseTempDir = getBaseTempDir();
|
|
const uniqueName = getGuid();
|
|
|
|
// Create parent folder if not already present
|
|
if (!(await pathExists(baseTempDir))) {
|
|
await mkdir(baseTempDir, { recursive: true });
|
|
}
|
|
|
|
return join(baseTempDir, uniqueName);
|
|
}
|
|
|
|
function getUpdateCacheDir() {
|
|
// We only use tmpdir() when this code is run outside of an Electron app (as in: tests)
|
|
return app ? getUpdateCachePath(app.getPath('userData')) : tmpdir();
|
|
}
|
|
|
|
export async function createUpdateCacheDirIfNeeded(): Promise<string> {
|
|
const targetDir = getUpdateCacheDir();
|
|
await mkdir(targetDir, { recursive: true });
|
|
|
|
return targetDir;
|
|
}
|
|
|
|
export async function deleteTempDir(
|
|
logger: LoggerType,
|
|
targetDir: string
|
|
): Promise<void> {
|
|
if (await pathExists(targetDir)) {
|
|
const pathInfo = await stat(targetDir);
|
|
if (!pathInfo.isDirectory()) {
|
|
throw new Error(
|
|
`deleteTempDir: Cannot delete path '${targetDir}' because it is not a directory`
|
|
);
|
|
}
|
|
}
|
|
|
|
const baseTempDir = getBaseTempDir();
|
|
if (!isPathInside(targetDir, baseTempDir)) {
|
|
throw new Error(
|
|
`deleteTempDir: Cannot delete path '${targetDir}' since it is not within base temp dir`
|
|
);
|
|
}
|
|
|
|
await gracefulRimraf(logger, targetDir);
|
|
}
|
|
|
|
export function getCliOptions<T>(options: ParserConfiguration['options']): T {
|
|
const parser = createParser({ options });
|
|
const cliOptions = parser.parse(process.argv);
|
|
|
|
if (cliOptions.help) {
|
|
const help = parser.help().trimRight();
|
|
console.log(help);
|
|
process.exit(0);
|
|
}
|
|
|
|
return cliOptions as unknown as T;
|
|
}
|