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JavaScriptObfuscatorCLI.ts
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290 lines (254 loc) · 9.9 KB
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import * as commander from 'commander';
import * as path from 'path';
import { TInputOptions } from '../types/options/TInputOptions';
import { IObfuscationResult } from '../interfaces/IObfuscationResult';
import { DEFAULT_PRESET } from '../options/presets/Default';
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 {
/**
* @type {string[]}
*/
private readonly arguments: string[];
/**
* @type {string[]}
*/
private readonly rawArguments: string[];
/**
* @type {commander.CommanderStatic}
*/
private commands: commander.CommanderStatic;
/**
* @type {string}
*/
private inputPath: string;
/**
* @type {string}
*/
private sourceCode: string = '';
/**
* @param {string[]} argv
*/
constructor (argv: string[]) {
this.rawArguments = argv;
this.arguments = this.rawArguments.slice(2);
this.commands = <commander.CommanderStatic>(new commander.Command());
}
/**
* @param {Object} options
* @returns {TInputOptions}
*/
private static sanitizeOptions (options: Object): TInputOptions {
const filteredOptions: TInputOptions = {};
const availableOptions: string[] = Object.keys(DEFAULT_PRESET);
for (const option in options) {
if (!options.hasOwnProperty(option)) {
continue;
}
if (!availableOptions.includes(option)) {
continue;
}
(<any>filteredOptions)[option] = (<any>options)[option];
}
return filteredOptions;
}
public run (): void {
this.configureCommands();
this.configureHelp();
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 = JavaScriptObfuscatorCLI.sanitizeOptions(this.commands);
const configFileLocation: string = this.commands.config
? path.resolve(this.commands.config, '.')
: '';
const configFileOptions: TInputOptions = configFileLocation
? JavaScriptObfuscatorCLI.sanitizeOptions(CLIUtils.getUserConfig(configFileLocation))
: {};
return {
...DEFAULT_PRESET,
...configFileOptions,
...inputOptions
};
}
private configureCommands (): void {
this.commands
.version(CLIUtils.getPackageConfig().version, '-v, --version')
.usage('<inputPath> [options]')
.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)',
(value: string) => value.split(',')
)
.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)',
(value: string) => value.split(',')
)
.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 getData (): void {
this.sourceCode = 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 {string} outputCodePath
* @param {TInputOptions} options
*/
private processDataWithoutSourceMap (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 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.sourceCode, options);
CLIUtils.writeFile(outputCodePath, obfuscationResult.getObfuscatedCode());
if (options.sourceMapMode === 'separate' && obfuscationResult.getSourceMap()) {
CLIUtils.writeFile(outputSourceMapPath, obfuscationResult.getSourceMap());
}
}
}