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| import * as commands from 'commander';
import * as fs from 'fs';
import * as mkdirp from 'mkdirp';
import * as path from 'path';
import { execSync } from "child_process";
import { IOptionsPreset } from "../interfaces/IOptionsPreset";
import { DEFAULT_PRESET } from "../preset-options/DefaultPreset";
import { JavaScriptObfuscator } from "../JavaScriptObfuscator";
export class JavaScriptObfuscatorCLI {
/**
* @type {string[]}
*/
private static availableInputExtensions: string[] = [
'.js'
];
/**
* @type {BufferEncoding}
*/
private static encoding: BufferEncoding = 'utf8';
/**
* @type {string}
*/
private static packageName: string = 'javascript-obfuscator';
/**
* @type {string[]}
*/
private arguments: string[];
/**
* @type {string[]}
*/
private rawArguments: string[];
/**
* @type {string}
*/
private data: string = '';
/**
* @type {string}
*/
private inputPath: string;
/**
* @param argv
*/
constructor (argv: string[]) {
this.rawArguments = argv;
this.arguments = this.rawArguments.slice(2);
}
/**
* @returns {IOptionsPreset}
*/
private static buildOptions (): IOptionsPreset {
let options: IOptionsPreset = {},
availableOptions: string[] = Object.keys(DEFAULT_PRESET);
for (let option in commands) {
if (!commands.hasOwnProperty(option)) {
continue;
}
if (availableOptions.indexOf(option) === -1) {
continue;
}
options[option] = (<any>commands)[option];
}
return Object.assign({}, DEFAULT_PRESET, options);
}
/**
* @returns {string}
*/
private static getBuildVersion (): string {
return execSync(`npm info ${JavaScriptObfuscatorCLI.packageName} version`, {
encoding: JavaScriptObfuscatorCLI.encoding
});
}
/**
* @param filePath
*/
private static isFilePath (filePath: string): boolean {
try {
return fs.statSync(filePath).isFile();
} catch (e) {
return false;
}
}
/**
* @param value
* @returns {boolean}
*/
private static parseBoolean (value: string): boolean {
return value === 'true' || value === '1';
}
public run (): void {
this.configureCommands();
if (!this.arguments.length || this.arguments.indexOf('--help') >= 0) {
commands.outputHelp();
return;
}
this.inputPath = this.getInputPath();
this.getData();
this.processData();
}
private configureCommands (): void {
commands
.version(JavaScriptObfuscatorCLI.getBuildVersion(), '-v, --version')
.usage('<inputPath> [options]')
.option('-o, --output <path>', 'Output path for obfuscated code')
.option('--compact <boolean>', 'Disable one line output code compacting', JavaScriptObfuscatorCLI.parseBoolean)
.option('--debugProtection <boolean>', 'Disable browser Debug panel (can cause DevTools enabled browser freeze)', JavaScriptObfuscatorCLI.parseBoolean)
.option('--debugProtectionInterval <boolean>', 'Disable browser Debug panel even after page was loaded (can cause DevTools enabled browser freeze)', JavaScriptObfuscatorCLI.parseBoolean)
.option('--disableConsoleOutput <boolean>', 'Allow console.log, console.info, console.error and console.warn messages output into browser console', JavaScriptObfuscatorCLI.parseBoolean)
.option('--encodeUnicodeLiterals <boolean>', 'All literals in Unicode array become encoded in Base64 (this option can slightly slow down your code speed)', JavaScriptObfuscatorCLI.parseBoolean)
.option('--reservedNames <list>', 'Disable obfuscation of variable names, function names and names of function parameters that match the passed RegExp patterns (comma separated)', (val: string) => val.split(','))
.option('--rotateUnicodeArray <boolean>', 'Disable rotation of unicode array values during obfuscation', JavaScriptObfuscatorCLI.parseBoolean)
.option('--selfDefending <boolean>', 'Disables self-defending for obfuscated code', JavaScriptObfuscatorCLI.parseBoolean)
.option('--unicodeArray <boolean>', 'Disables gathering of all literal strings into an array and replacing every literal string with an array call', JavaScriptObfuscatorCLI.parseBoolean)
.option('--unicodeArrayThreshold <number>', 'The probability that the literal string will be inserted into unicodeArray (Default: 0.8, Min: 0, Max: 1)', parseFloat)
.option('--wrapUnicodeArrayCalls <boolean>', 'Disables usage of special access function instead of direct array call', JavaScriptObfuscatorCLI.parseBoolean)
.parse(this.rawArguments);
commands.on('--help', () => {
let isWindows: boolean = process.platform === 'win32',
commandName: string = isWindows ? 'type' : 'cat';
console.log(' Examples:\n');
console.log(' %> javascript-obfuscator < in.js > out.js');
console.log(` %> ${commandName} in1.js in2.js | javascript-obfuscator > out.js`);
console.log('');
process.exit();
});
}
private getData (): void {
this.data = fs.readFileSync(this.inputPath, JavaScriptObfuscatorCLI.encoding);
}
/**
* @returns {string}
*/
private getInputPath (): string {
let inputPath: string = this.arguments[0];
if (!JavaScriptObfuscatorCLI.isFilePath(inputPath)) {
throw new ReferenceError(`First argument must be a valid file path`);
}
if (JavaScriptObfuscatorCLI.availableInputExtensions.indexOf(path.extname(inputPath)) === -1) {
throw new ReferenceError(`Input file must have .js extension`);
}
return inputPath;
}
/**
* @returns {string}
*/
private getOutputPath (): string {
let outputPath: string = (<any>commands).output;
if (outputPath) {
return outputPath;
}
return this.inputPath
.split('.')
.map<string>((value: string, index: number) => {
return index === 0 ? `${value}-obfuscated` : value;
})
.join('.');
}
private processData (): void {
let outputPath: string = this.getOutputPath(),
dirName: string = path.dirname(outputPath);
mkdirp.sync(dirName);
fs.writeFileSync(
this.getOutputPath(),
JavaScriptObfuscator.obfuscate(this.data, JavaScriptObfuscatorCLI.buildOptions()),
{
encoding: JavaScriptObfuscatorCLI.encoding
}
);
}
}
|