mirror of https://github.com/jiahaog/Nativefier
212 lines
5.6 KiB
TypeScript
212 lines
5.6 KiB
TypeScript
import { spawnSync } from 'child_process';
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import * as crypto from 'crypto';
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import * as os from 'os';
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import * as path from 'path';
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import axios from 'axios';
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import * as dns from 'dns';
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import * as hasbin from 'hasbin';
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import * as log from 'loglevel';
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import * as tmp from 'tmp';
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import { parseJson } from '../utils/parseUtils';
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tmp.setGracefulCleanup(); // cleanup temp dirs even when an uncaught exception occurs
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const now = new Date();
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const TMP_TIME = `${now.getHours()}-${now.getMinutes()}-${now.getSeconds()}`;
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export type DownloadResult = {
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data: Buffer;
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ext: string;
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};
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type ProcessEnvs = Record<string, unknown>;
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export function hasWine(): boolean {
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return hasbin.sync('wine');
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}
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// I tried to place this (and the other is* functions) in
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// a new shared helpers, but alas eslint gets real confused
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// about the type signatures and thinks they're all any.
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// TODO: Figure out a way to refactor duplicate code from
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// src/helpers/helpers.ts and app/src/helpers/helpers.ts
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// into the shared module
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export function isLinux(): boolean {
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return os.platform() === 'linux';
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}
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export function isOSX(): boolean {
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return os.platform() === 'darwin';
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}
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export function isWindows(): boolean {
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return os.platform() === 'win32';
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}
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export function isWindowsAdmin(): boolean {
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if (process.platform !== 'win32') {
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return false;
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}
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// https://stackoverflow.com/questions/4051883/batch-script-how-to-check-for-admin-rights
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// https://stackoverflow.com/questions/57009374/check-admin-or-non-admin-users-in-nodejs-or-javascript
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return spawnSync('fltmc').status === 0;
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}
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/**
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* Create a temp directory with a debug-friendly name, and return its path.
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* Will be automatically deleted on exit.
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*/
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export function getTempDir(prefix: string, mode?: number): string {
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return tmp.dirSync({
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mode,
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unsafeCleanup: true, // recursively remove tmp dir on exit, even if not empty.
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prefix: `nativefier-${TMP_TIME}-${prefix}-`,
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}).name;
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}
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export function downloadFile(
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fileUrl: string,
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): Promise<DownloadResult | undefined> {
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log.debug(`Downloading ${fileUrl}`);
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return axios
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.get<Buffer>(fileUrl, {
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responseType: 'arraybuffer',
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})
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.then((response) => {
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if (!response.data) {
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return undefined;
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}
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return {
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data: response.data,
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ext: path.extname(fileUrl),
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};
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});
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}
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export function getAllowedIconFormats(platform: string): string[] {
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const hasIdentify = hasbin.sync('identify') || hasbin.sync('gm');
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const hasConvert = hasbin.sync('convert') || hasbin.sync('gm');
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const hasIconUtil = hasbin.sync('iconutil');
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const pngToIcns = hasConvert && hasIconUtil;
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const pngToIco = hasConvert;
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const icoToIcns = pngToIcns && hasIdentify;
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const icoToPng = hasConvert;
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// Unsupported
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const icnsToPng = false;
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const icnsToIco = false;
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const formats: string[] = [];
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// Shell scripting is not supported on windows, temporary override
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if (isWindows()) {
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switch (platform) {
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case 'darwin':
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formats.push('.icns');
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break;
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case 'linux':
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formats.push('.png');
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break;
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case 'win32':
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formats.push('.ico');
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break;
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default:
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throw new Error(`Unknown platform ${platform}`);
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}
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log.debug(
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`Allowed icon formats when building for ${platform} (limited on Windows):`,
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formats,
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);
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return formats;
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}
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switch (platform) {
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case 'darwin':
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formats.push('.icns');
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if (pngToIcns) {
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formats.push('.png');
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}
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if (icoToIcns) {
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formats.push('.ico');
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}
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break;
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case 'linux':
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formats.push('.png');
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if (icoToPng) {
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formats.push('.ico');
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}
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if (icnsToPng) {
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formats.push('.icns');
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}
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break;
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case 'win32':
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formats.push('.ico');
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if (pngToIco) {
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formats.push('.png');
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}
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if (icnsToIco) {
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formats.push('.icns');
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}
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break;
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default:
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throw new Error(`Unknown platform ${platform}`);
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}
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log.debug(`Allowed icon formats when building for ${platform}:`, formats);
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return formats;
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}
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/**
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* Refuse args like '--n' or '-name', we accept either short '-n' or long '--name'
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*/
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export function isArgFormatInvalid(arg: string): boolean {
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return (
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(arg.startsWith('---') ||
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/^--[a-z]$/i.exec(arg) !== null ||
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/^-[a-z]{2,}$/i.exec(arg) !== null) &&
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!['--x', '--y'].includes(arg) // exception for long args --{x,y}
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);
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}
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export function generateRandomSuffix(length = 6): string {
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const hash = crypto.createHash('md5');
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// Add a random salt to help avoid collisions
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hash.update(crypto.randomBytes(256));
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return hash.digest('hex').substring(0, length);
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}
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export function getProcessEnvs(val: string): ProcessEnvs | undefined {
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if (!val) {
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return undefined;
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}
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return parseJson<ProcessEnvs>(val);
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}
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export function checkInternet(): void {
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dns.lookup('npmjs.com', (err) => {
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if (err && err.code === 'ENOTFOUND') {
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log.warn(
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'\nNo Internet Connection\nTo offline build, download electron from https://github.com/electron/electron/releases\nand place in ~/AppData/Local/electron/Cache/ on Windows,\n~/.cache/electron on Linux or ~/Library/Caches/electron/ on Mac\nUse --electron-version to specify the version you downloaded.',
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);
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}
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});
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}
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/**
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* Takes in a snake-cased string and converts to camelCase
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*/
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export function camelCased(str: string): string {
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return str
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.split('-')
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.filter((s) => s.length > 0)
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.map((word, i) => {
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if (i === 0) return word;
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return `${word[0].toUpperCase()}${word.substring(1)}`;
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})
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.join('');
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}
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