asarmor/build/bin/asarmor.js

Protect asar archive files from extraction

#!/usr/bin/env node
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const extra_typings_1 = require("@commander-js/extra-typings");
const src_1 = require("../src");
const package_json_1 = require("../package.json");
function parseNumber(value, isRequired) {
    if (value == null && !isRequired) {
        return;
    }
    const parsedValue = parseInt(value, 10);
    if (isNaN(parsedValue)) {
        throw new extra_typings_1.InvalidArgumentError('Not a number.');
    }
    return parsedValue;
}
const program = new extra_typings_1.Command()
    .version(package_json_1.version)
    .requiredOption('-a, --archive <archive>', 'input asar file (required)')
    .requiredOption('-o, --output <output>', 'output asar file (required)')
    .option('-b, --backup', 'create backup')
    .option('-r, --restore', 'restore backup')
    .option('-bl, --bloat [gigabytes]', 'fill the drive with useless data on extraction attempt', (value) => parseNumber(value, false))
    .option('-e, --encryption', 'encrypt the JavaScript files stored in the archive')
    .addHelpText('after', `
Examples:
  $ asarmor -a app.asar -o asarmor.asar --backup --bloat 1000
  $ asarmor -a plaintext.asar -o encrypted.asar --encryption
  `)
    .parse(process.argv);
const options = program.opts();
if (!options.archive || !options.output) {
    program.help();
    process.exit();
}
async function main() {
    if (options.encryption) {
        await (0, src_1.encrypt)({
            src: options.archive,
            dst: options.output,
        });
    }
    const asarmor = await (0, src_1.open)(options.encryption ? options.output : options.archive);
    if (options.restore) {
        await asarmor.restoreBackup();
    }
    else if (options.output) {
        if (options.backup)
            await asarmor.createBackup();
        if (options.bloat)
            asarmor.patch((0, src_1.createBloatPatch)(options.bloat === true ? undefined : options.bloat));
        await asarmor.write(options.output);
    }
}
main();