121 строка
3.8 KiB
TypeScript
121 строка
3.8 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import * as assert from 'assert';
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import * as path from 'path';
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import { open, stat, readdir, realpath } from 'fs/promises';
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import { spawn, ExitCodeError } from '@malept/cross-spawn-promise';
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const MACHO_PREFIX = 'Mach-O ';
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const MACHO_64_MAGIC_LE = 0xfeedfacf;
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const MACHO_UNIVERSAL_MAGIC_LE = 0xbebafeca;
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const MACHO_ARM64_CPU_TYPE = new Set([
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0x0c000001,
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0x0100000c,
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]);
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const MACHO_X86_64_CPU_TYPE = new Set([
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0x07000001,
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0x01000007,
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]);
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async function read(file: string, buf: Buffer, offset: number, length: number, position: number) {
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let filehandle;
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try {
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filehandle = await open(file);
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await filehandle.read(buf, offset, length, position);
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} finally {
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await filehandle?.close();
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}
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}
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async function checkMachOFiles(appPath: string, arch: string) {
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const visited = new Set();
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const invalidFiles: string[] = [];
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const header = Buffer.alloc(8);
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const file_header_entry_size = 20;
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const checkx86_64Arch = (arch === 'x64');
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const checkArm64Arch = (arch === 'arm64');
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const checkUniversalArch = (arch === 'universal');
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const traverse = async (p: string) => {
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p = await realpath(p);
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if (visited.has(p)) {
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return;
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}
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visited.add(p);
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const info = await stat(p);
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if (info.isSymbolicLink()) {
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return;
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}
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if (info.isFile()) {
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let fileOutput = '';
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try {
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fileOutput = await spawn('file', ['--brief', '--no-pad', p]);
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} catch (e) {
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if (e instanceof ExitCodeError) {
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/* silently accept error codes from "file" */
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} else {
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throw e;
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}
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}
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if (fileOutput.startsWith(MACHO_PREFIX)) {
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console.log(`Verifying architecture of ${p}`);
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read(p, header, 0, 8, 0).then(_ => {
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const header_magic = header.readUInt32LE();
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if (header_magic === MACHO_64_MAGIC_LE) {
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const cpu_type = header.readUInt32LE(4);
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if (checkUniversalArch) {
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invalidFiles.push(p);
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} else if (checkArm64Arch && !MACHO_ARM64_CPU_TYPE.has(cpu_type)) {
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invalidFiles.push(p);
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} else if (checkx86_64Arch && !MACHO_X86_64_CPU_TYPE.has(cpu_type)) {
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invalidFiles.push(p);
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}
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} else if (header_magic === MACHO_UNIVERSAL_MAGIC_LE) {
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const num_binaries = header.readUInt32BE(4);
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assert.equal(num_binaries, 2);
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const file_entries_size = file_header_entry_size * num_binaries;
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const file_entries = Buffer.alloc(file_entries_size);
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read(p, file_entries, 0, file_entries_size, 8).then(_ => {
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for (let i = 0; i < num_binaries; i++) {
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const cpu_type = file_entries.readUInt32LE(file_header_entry_size * i);
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if (!MACHO_ARM64_CPU_TYPE.has(cpu_type) && !MACHO_X86_64_CPU_TYPE.has(cpu_type)) {
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invalidFiles.push(p);
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}
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}
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});
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}
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});
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}
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}
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if (info.isDirectory()) {
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for (const child of await readdir(p)) {
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await traverse(path.resolve(p, child));
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}
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}
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};
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await traverse(appPath);
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return invalidFiles;
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}
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const archToCheck = process.argv[2];
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assert(process.env['APP_PATH'], 'APP_PATH not set');
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assert(archToCheck === 'x64' || archToCheck === 'arm64' || archToCheck === 'universal', `Invalid architecture ${archToCheck} to check`);
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checkMachOFiles(process.env['APP_PATH'], archToCheck).then(invalidFiles => {
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if (invalidFiles.length > 0) {
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console.error('\x1b[31mThe following files are built for the wrong architecture:\x1b[0m');
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for (const file of invalidFiles) {
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console.error(`\x1b[31m${file}\x1b[0m`);
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}
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process.exit(1);
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} else {
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console.log('\x1b[32mAll files are valid\x1b[0m');
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}
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}).catch(err => {
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console.error(err);
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process.exit(1);
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});
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