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Copy pathJavaScriptObfuscatorCLI.ts
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306 lines (270 loc) · 10.6 KB
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import * as commander from 'commander';
import * as path from 'path';
import { TInputCLIOptions } from '../types/options/TInputCLIOptions';
import { TInputOptions } from '../types/options/TInputOptions';
import { TObject } from '../types/TObject';
import { IInitializable } from '../interfaces/IInitializable';
import { IObfuscationResult } from '../interfaces/IObfuscationResult';
import { initializable } from '../decorators/Initializable';
import { DEFAULT_PRESET } from '../options/presets/Default';
import { ArraySanitizer } from './sanitizers/ArraySanitizer';
import { BooleanSanitizer } from './sanitizers/BooleanSanitizer';
import { SourceMapModeSanitizer } from './sanitizers/SourceMapModeSanitizer';
import { StringArrayEncodingSanitizer } from './sanitizers/StringArrayEncodingSanitizer';
import { CLIUtils } from './utils/CLIUtils';
import { JavaScriptObfuscator } from '../JavaScriptObfuscator';
export class JavaScriptObfuscatorCLI implements IInitializable {
/**
* @type {string[]}
*/
private readonly arguments: string[];
/**
* @type {string[]}
*/
private readonly rawArguments: string[];
/**
* @type {commander.CommanderStatic}
*/
@initializable()
private commands: commander.CommanderStatic;
/**
* @type {TInputCLIOptions}
*/
@initializable()
private inputCLIOptions: TInputCLIOptions;
/**
* @type {string}
*/
@initializable()
private inputPath: string;
/**
* @type {string}
*/
@initializable()
private sourceCode: string = '';
/**
* @param {string[]} argv
*/
constructor (argv: string[]) {
this.rawArguments = argv;
this.arguments = argv.slice(2);
}
/**
* @param {TObject} options
* @returns {TInputOptions}
*/
private static filterOptions (options: TObject): TInputOptions {
const filteredOptions: TInputOptions = {};
for (const option in options) {
if (!options.hasOwnProperty(option) || options[option] === undefined) {
continue;
}
filteredOptions[option] = options[option];
}
return filteredOptions;
}
public initialize (): void {
this.inputPath = this.arguments[0] || '';
this.commands = <commander.CommanderStatic>(new commander.Command());
this.configureCommands();
this.configureHelp();
this.inputCLIOptions = this.commands.opts();
}
public run (): void {
const canShowHelp: boolean = !this.arguments.length || this.arguments.includes('--help');
if (canShowHelp) {
return this.commands.outputHelp();
}
this.sourceCode = CLIUtils.readSourceCode(this.inputPath);
this.processSourceCode();
}
/**
* @returns {TInputOptions}
*/
private buildOptions (): TInputOptions {
const inputCLIOptions: TInputOptions = JavaScriptObfuscatorCLI.filterOptions(this.inputCLIOptions);
const configFilePath: string|undefined = this.inputCLIOptions.config;
const configFileLocation: string = configFilePath ? path.resolve(configFilePath, '.') : '';
const configFileOptions: TInputOptions = configFileLocation ? CLIUtils.getUserConfig(configFileLocation) : {};
return {
...DEFAULT_PRESET,
...configFileOptions,
...inputCLIOptions
};
}
private configureCommands (): void {
this.commands
.usage('<inputPath> [options]')
.version(
CLIUtils.getPackageConfig().version,
'-v, --version'
)
.option(
'-o, --output <path>',
'Output path for obfuscated code'
)
.option(
'--compact <boolean>',
'Disable one line output code compacting',
BooleanSanitizer
)
.option(
'--config <boolean>',
'Name of js / json config file'
)
.option(
'--controlFlowFlattening <boolean>',
'Enables control flow flattening',
BooleanSanitizer
)
.option(
'--controlFlowFlatteningThreshold <number>',
'The probability that the control flow flattening transformation will be applied to the node',
parseFloat
)
.option(
'--deadCodeInjection <boolean>',
'Enables dead code injection',
BooleanSanitizer
)
.option(
'--deadCodeInjectionThreshold <number>',
'The probability that the dead code injection transformation will be applied to the node',
parseFloat
)
.option(
'--debugProtection <boolean>',
'Disable browser Debug panel (can cause DevTools enabled browser freeze)',
BooleanSanitizer
)
.option(
'--debugProtectionInterval <boolean>',
'Disable browser Debug panel even after page was loaded (can cause DevTools enabled browser freeze)',
BooleanSanitizer
)
.option(
'--disableConsoleOutput <boolean>',
'Allow console.log, console.info, console.error and console.warn messages output into browser console',
BooleanSanitizer
)
.option(
'--domainLock <list>',
'Blocks the execution of the code in domains that do not match the passed RegExp patterns (comma separated)',
ArraySanitizer
)
.option(
'--log <boolean>', 'Enables logging of the information to the console',
BooleanSanitizer
)
.option(
'--mangle <boolean>', 'Enables mangling of variable names',
BooleanSanitizer
)
.option(
'--reservedNames <list>',
'Disable obfuscation of variable names, function names and names of function parameters that match the passed RegExp patterns (comma separated)',
ArraySanitizer
)
.option(
'--renameGlobals <boolean>', 'Allows to enable obfuscation of global variable and function names with declaration.',
BooleanSanitizer
)
.option(
'--rotateStringArray <boolean>', 'Disable rotation of unicode array values during obfuscation',
BooleanSanitizer
)
.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',
BooleanSanitizer
)
.option(
'--sourceMap <boolean>',
'Enables source map generation',
BooleanSanitizer
)
.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',
SourceMapModeSanitizer
)
.option(
'--stringArray <boolean>',
'Disables gathering of all literal strings into an array and replacing every literal string with an array call',
BooleanSanitizer
)
.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',
StringArrayEncodingSanitizer
)
.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',
BooleanSanitizer
)
.parse(this.rawArguments);
}
private configureHelp (): void {
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 processSourceCode (): void {
const options: TInputOptions = this.buildOptions();
const outputCodePath: string = CLIUtils.getOutputCodePath(this.inputCLIOptions.output, this.inputPath);
if (options.sourceMap) {
this.processSourceCodeWithSourceMap(outputCodePath, options);
} else {
this.processSourceCodeWithoutSourceMap(outputCodePath, options);
}
}
/**
* @param {string} outputCodePath
* @param {TInputOptions} options
*/
private processSourceCodeWithoutSourceMap (outputCodePath: string, options: TInputOptions): void {
const obfuscatedCode: string = JavaScriptObfuscator.obfuscate(this.sourceCode, options).getObfuscatedCode();
CLIUtils.writeFile(outputCodePath, obfuscatedCode);
}
/**
* @param {string} outputCodePath
* @param {TInputOptions} options
*/
private processSourceCodeWithSourceMap (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.sourceCode, options);
CLIUtils.writeFile(outputCodePath, obfuscationResult.getObfuscatedCode());
if (options.sourceMapMode === 'separate' && obfuscationResult.getSourceMap()) {
CLIUtils.writeFile(outputSourceMapPath, obfuscationResult.getSourceMap());
}
}
}