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| import * as commander from 'commander';
import * as path from 'path';
import { TInputOptions } from '../types/options/TInputOptions';
import { TStringArrayEncoding } from '../types/options/TStringArrayEncoding';
import { IObfuscationResult } from '../interfaces/IObfuscationResult';
import { SourceMapMode } from '../enums/SourceMapMode';
import { StringArrayEncoding } from '../enums/StringArrayEncoding';
import { DEFAULT_PRESET } from '../options/presets/Default';
import { CLIUtils } from './CLIUtils';
import { JavaScriptObfuscator } from '../JavaScriptObfuscator';
export class JavaScriptObfuscatorCLI {
/**
* @type {string[]}
*/
private readonly arguments: string[];
/**
* @type {commander.ICommand}
*/
private commands: commander.ICommand;
/**
* @type {string}
*/
private data: string = '';
/**
* @type {string}
*/
private inputPath: string;
/**
* @type {string[]}
*/
private rawArguments: string[];
/**
* @param argv
*/
constructor (argv: string[]) {
this.rawArguments = argv;
this.arguments = this.rawArguments.slice(2);
}
/**
* @returns {string}
*/
private static getBuildVersion (): string {
return CLIUtils.getPackageConfig().version;
}
/**
* @param value
* @returns {boolean}
*/
private static parseBoolean (value: string): boolean {
return value === 'true' || value === '1';
}
/**
* @param value
* @returns {string}
*/
private static parseSourceMapMode (value: string): string {
const availableMode: boolean = Object
.keys(SourceMapMode)
.some((key: string): boolean => {
return SourceMapMode[key] === value;
});
Iif (!availableMode) {
throw new ReferenceError('Invalid value of `--sourceMapMode` option');
}
return value;
}
/**
* @param value
* @returns {TStringArrayEncoding}
*/
private static parseStringArrayEncoding (value: string): TStringArrayEncoding {
switch (value) {
case 'true':
case '1':
case StringArrayEncoding.base64:
return true;
case StringArrayEncoding.rc4:
return StringArrayEncoding.rc4;
default:
return false;
}
}
public run (): void {
this.configureCommands();
if (!this.arguments.length || this.arguments.includes('--help')) {
this.commands.outputHelp();
return;
}
this.inputPath = this.arguments[0];
CLIUtils.validateInputPath(this.inputPath);
this.getData();
this.processData();
}
/**
* @returns {TInputOptions}
*/
private buildOptions (): TInputOptions {
const inputOptions: TInputOptions = {};
const availableOptions: string[] = Object.keys(DEFAULT_PRESET);
for (const option in this.commands) {
if (!this.commands.hasOwnProperty(option)) {
continue;
}
if (!availableOptions.includes(option)) {
continue;
}
(<any>inputOptions)[option] = (<any>this.commands)[option];
}
return {
...DEFAULT_PRESET,
...inputOptions
};
}
private configureCommands (): void {
this.commands = new commander.Command()
.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(
'--controlFlowFlattening <boolean>',
'Enables control flow flattening',
JavaScriptObfuscatorCLI.parseBoolean
)
.option(
'--controlFlowFlatteningThreshold <number>',
'The probability that the control flow flattening transformation will be applied to the node',
parseFloat
)
.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(
'--domainLock <list>',
'Blocks the execution of the code in domains that do not match the passed RegExp patterns (comma separated)',
(value: string) => value.split(',')
)
.option(
'--reservedNames <list>',
'Disable obfuscation of variable names, function names and names of function parameters that match the passed RegExp patterns (comma separated)',
(value: string) => value.split(',')
)
.option(
'--rotateStringArray <boolean>', 'Disable rotation of unicode array values during obfuscation',
JavaScriptObfuscatorCLI.parseBoolean
)
.option(
'--seed <number>',
'Sets seed for random generator. This is useful for creating repeatable results.',
parseFloat
)
.option(
'--selfDefending <boolean>',
'Disables self-defending for obfuscated code',
JavaScriptObfuscatorCLI.parseBoolean
)
.option(
'--sourceMap <boolean>',
'Enables source map generation',
JavaScriptObfuscatorCLI.parseBoolean
)
.option(
'--sourceMapBaseUrl <string>',
'Sets base url to the source map import url when `--sourceMapMode=separate`'
)
.option(
'--sourceMapFileName <string>',
'Sets file name for output source map when `--sourceMapMode=separate`'
)
.option(
'--sourceMapMode <string> [inline, separate]',
'Specify source map output mode',
JavaScriptObfuscatorCLI.parseSourceMapMode
)
.option(
'--stringArray <boolean>',
'Disables gathering of all literal strings into an array and replacing every literal string with an array call',
JavaScriptObfuscatorCLI.parseBoolean
)
.option(
'--stringArrayEncoding <boolean|string> [true, false, base64, rc4]',
'Encodes all strings in strings array using base64 or rc4 (this option can slow down your code speed',
JavaScriptObfuscatorCLI.parseStringArrayEncoding
)
.option(
'--stringArrayThreshold <number>',
'The probability that the literal string will be inserted into stringArray (Default: 0.8, Min: 0, Max: 1)',
parseFloat
)
.option(
'--unicodeEscapeSequence <boolean>',
'Allows to enable/disable string conversion to unicode escape sequence',
JavaScriptObfuscatorCLI.parseBoolean
)
.parse(this.rawArguments);
this.commands.on('--help', () => {
console.log(' Examples:\n');
console.log(' %> javascript-obfuscator in.js --compact true --selfDefending false');
console.log(' %> javascript-obfuscator in.js --output out.js --compact true --selfDefending false');
console.log('');
});
}
private getData (): void {
this.data = CLIUtils.readFile(this.inputPath);
}
private processData (): void {
const options: TInputOptions = this.buildOptions();
const outputCodePath: string = CLIUtils.getOutputCodePath((<any>this.commands).output, this.inputPath);
if (options.sourceMap) {
this.processDataWithSourceMap(outputCodePath, options);
} else {
this.processDataWithoutSourceMap(outputCodePath, options);
}
}
/**
* @param outputCodePath
* @param options
*/
private processDataWithoutSourceMap (outputCodePath: string, options: TInputOptions): void {
const obfuscatedCode: string = JavaScriptObfuscator.obfuscate(this.data, options).getObfuscatedCode();
CLIUtils.writeFile(outputCodePath, obfuscatedCode);
}
/**
* @param outputCodePath
* @param options
*/
private processDataWithSourceMap (outputCodePath: string, options: TInputOptions): void {
const outputSourceMapPath: string = CLIUtils.getOutputSourceMapPath(
outputCodePath,
options.sourceMapFileName || ''
);
options = {
...options,
sourceMapFileName: path.basename(outputSourceMapPath)
};
const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(this.data, options);
CLIUtils.writeFile(outputCodePath, obfuscationResult.getObfuscatedCode());
if (options.sourceMapMode === 'separate' && obfuscationResult.getSourceMap()) {
CLIUtils.writeFile(outputSourceMapPath, obfuscationResult.getSourceMap());
}
}
}
|