mirror of
https://github.com/javascript-obfuscator/javascript-obfuscator
synced 2026-08-09 12:42:29 +00:00
674 lines
26 KiB
TypeScript
674 lines
26 KiB
TypeScript
import { assert } from 'chai';
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import { IObfuscationResult } from '../../../src/interfaces/IObfuscationResult';
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import { SourceMapMode } from '../../../src/enums/source-map/SourceMapMode';
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import { StringArrayEncoding } from '../../../src/enums/StringArrayEncoding';
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import { JavaScriptObfuscator } from '../../../src/JavaScriptObfuscatorFacade';
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import { NO_ADDITIONAL_NODES_PRESET } from '../../../src/options/presets/NoCustomNodes';
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import { IdentifierNamesGenerator } from '../../../src/enums/generators/identifier-names-generators/IdentifierNamesGenerator';
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import { buildLargeCode } from '../../helpers/buildLargeCode';
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import { getRegExpMatch } from '../../helpers/getRegExpMatch';
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import { readFileAsString } from '../../helpers/readFileAsString';
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describe('JavaScriptObfuscator', () => {
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describe('obfuscate (sourceCode: string, customOptions?: IObfuscatorOptions): IObfuscationResult', () => {
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describe('correct source code', () => {
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let obfuscatedCode: string,
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sourceMap: string;
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beforeEach(() => {
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const code: string = readFileAsString(__dirname + '/fixtures/simple-input-1.js');
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const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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...NO_ADDITIONAL_NODES_PRESET
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}
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);
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obfuscatedCode = obfuscationResult.getObfuscatedCode();
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sourceMap = obfuscationResult.getSourceMap();
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});
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it('should return correct obfuscated code', () => {
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assert.isOk(obfuscatedCode);
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});
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it('should return empty source map', () => {
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assert.isNotOk(sourceMap);
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});
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});
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describe('empty source code', () => {
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let obfuscatedCode: string;
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beforeEach(() => {
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const code: string = readFileAsString(__dirname + '/fixtures/empty-input.js');
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const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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);
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obfuscatedCode = obfuscationResult.getObfuscatedCode();
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});
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it('should return an empty obfuscated code', () => {
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assert.isNotOk(obfuscatedCode);
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});
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});
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describe('empty source code with comments', () => {
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let obfuscatedCode: string;
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beforeEach(() => {
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const code: string = readFileAsString(__dirname + '/fixtures/comments-only.js');
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const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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controlFlowFlattening: true,
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deadCodeInjection: true
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}
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);
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obfuscatedCode = obfuscationResult.getObfuscatedCode();
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});
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it('should return an empty obfuscated code', () => {
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assert.isNotOk(obfuscatedCode);
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});
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});
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describe('`sourceMap` option is `true`', () => {
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describe('`sourceMapMode` is `separate`', () => {
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let obfuscatedCode: string,
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sourceMap: string;
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beforeEach(() => {
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const code: string = readFileAsString(__dirname + '/fixtures/simple-input-1.js');
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const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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...NO_ADDITIONAL_NODES_PRESET,
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sourceMap: true
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}
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);
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obfuscatedCode = obfuscationResult.getObfuscatedCode();
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sourceMap = JSON.parse(obfuscationResult.getSourceMap()).mappings;
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});
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it('should return correct obfuscated code', () => {
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assert.isOk(obfuscatedCode);
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});
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it('should return correct source map', () => {
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assert.isOk(sourceMap);
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});
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});
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describe('`sourceMapMode` is `inline`', () => {
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const regExp: RegExp = /sourceMappingURL=data:application\/json;base64/;
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let obfuscatedCode: string,
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sourceMap: string;
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beforeEach(() => {
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const code: string = readFileAsString(__dirname + '/fixtures/simple-input-1.js');
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const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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...NO_ADDITIONAL_NODES_PRESET,
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sourceMap: true,
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sourceMapMode: SourceMapMode.Inline
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}
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);
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obfuscatedCode = obfuscationResult.getObfuscatedCode();
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sourceMap = JSON.parse(obfuscationResult.getSourceMap()).mappings;
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});
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it('should return correct obfuscated code', () => {
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assert.isOk(obfuscatedCode);
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});
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it('should return obfuscated code with inline source map as Base64 string', () => {
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assert.match(obfuscatedCode, regExp);
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});
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it('should return correct source map', () => {
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assert.isOk(sourceMap);
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});
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});
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describe('empty source code', () => {
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let obfuscatedCode: string,
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sourceMapNames: string[],
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sourceMapSources: string[],
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sourceMapMappings: string;
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beforeEach(() => {
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const code: string = readFileAsString(__dirname + '/fixtures/empty-input.js');
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const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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sourceMap: true
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}
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);
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obfuscatedCode = obfuscationResult.getObfuscatedCode();
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const sourceMapObject: any = JSON.parse(obfuscationResult.getSourceMap());
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sourceMapNames = sourceMapObject.names;
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sourceMapSources = sourceMapObject.sources;
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sourceMapMappings = sourceMapObject.mappings;
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});
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it('should return empty obfuscated code', () => {
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assert.isNotOk(obfuscatedCode);
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});
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it('should return empty source map property `names`', () => {
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assert.deepEqual(sourceMapNames, []);
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});
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it('should return empty source map property `sources`', () => {
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assert.deepEqual(sourceMapSources, []);
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});
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it('should return empty source map property `mappings`', () => {
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assert.isNotOk(sourceMapMappings);
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});
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});
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});
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describe('variable inside global scope', () => {
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describe('Variant #1: without `renameGlobals` option', () => {
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const regExp: RegExp = /^var *test *= *0x\d+;$/;
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let obfuscatedCode: string;
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beforeEach(() => {
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const code: string = readFileAsString(__dirname + '/fixtures/simple-input-1.js');
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const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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...NO_ADDITIONAL_NODES_PRESET
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}
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);
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obfuscatedCode = obfuscationResult.getObfuscatedCode();
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});
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it('should return correct obfuscated code', () => {
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assert.match(obfuscatedCode, regExp);
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});
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});
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describe('Variant #2: with `renameGlobals` option', () => {
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const regExp: RegExp = /^var *_0x(\w){4,6} *= *0x\d+;$/;
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let obfuscatedCode: string;
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beforeEach(() => {
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const code: string = readFileAsString(__dirname + '/fixtures/simple-input-1.js');
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const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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...NO_ADDITIONAL_NODES_PRESET,
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renameGlobals: true
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}
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);
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obfuscatedCode = obfuscationResult.getObfuscatedCode();
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});
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it('should return correct obfuscated code', () => {
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assert.match(obfuscatedCode, regExp);
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});
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});
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describe('Variant #3: with `renameGlobals` and `identifiersPrefix` options', () => {
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const regExp: RegExp = /^var *foo_0x(\w){4,6} *= *0x\d+;$/;
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let obfuscatedCode: string;
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beforeEach(() => {
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const code: string = readFileAsString(__dirname + '/fixtures/simple-input-1.js');
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const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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...NO_ADDITIONAL_NODES_PRESET,
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renameGlobals: true,
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identifiersPrefix: 'foo'
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}
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);
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obfuscatedCode = obfuscationResult.getObfuscatedCode();
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});
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it('should return correct obfuscated code', () => {
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assert.match(obfuscatedCode, regExp);
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});
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});
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describe('Variant #4: with `stringArray`, `renameGlobals` and `identifiersPrefix` options', () => {
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const stringArrayRegExp: RegExp = /^var foo_0x(\w){4} *= *\['abc'\];/;
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const stringArrayCallRegExp: RegExp = /var *foo_0x(\w){4,6} *= *foo_0x(\w){4}\('0x0'\);$/;
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let obfuscatedCode: string;
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beforeEach(() => {
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const code: string = readFileAsString(__dirname + '/fixtures/simple-input-2.js');
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const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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...NO_ADDITIONAL_NODES_PRESET,
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renameGlobals: true,
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identifiersPrefix: 'foo',
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stringArray: true,
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stringArrayThreshold: 1
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}
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);
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obfuscatedCode = obfuscationResult.getObfuscatedCode();
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});
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it('match #1: should return correct obfuscated code', () => {
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assert.match(obfuscatedCode, stringArrayRegExp);
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});
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it('match #2: should return correct obfuscated code', () => {
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assert.match(obfuscatedCode, stringArrayCallRegExp);
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});
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});
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});
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describe('variable inside block scope', () => {
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const regExp: RegExp = /^\(function *\(\) *\{ *var *_0x[\w]+ *= *0x\d+; *\}(\(\)\)|\)\(\));?$/;
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let obfuscatedCode: string;
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beforeEach(() => {
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const code: string = readFileAsString(__dirname + '/fixtures/block-scope.js');
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const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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...NO_ADDITIONAL_NODES_PRESET
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}
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);
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obfuscatedCode = obfuscationResult.getObfuscatedCode();
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});
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it('should return correct obfuscated code', () => {
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assert.match(obfuscatedCode, regExp);
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});
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});
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describe('variables inside global and block scopes', () => {
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describe('Variant #1: with `renameGlobals` and `identifiersPrefix` options', () => {
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const variableDeclaration1: RegExp = /var foo_0x(\w){4,6} *= *0x1;/;
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const variableDeclaration2: RegExp = /var foo_0x(\w){4,6} *= *0x2;/;
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const variableDeclaration3: RegExp = /var _0x(\w){4,6} *= *foo_0x(\w){4,6} *\+ *foo_0x(\w){4,6}/;
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const functionDeclaration: RegExp = /var foo_0x(\w){4,6} *= *function/;
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let obfuscatedCode: string;
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beforeEach(() => {
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const code: string = readFileAsString(__dirname + '/fixtures/identifiers-prefix.js');
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const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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...NO_ADDITIONAL_NODES_PRESET,
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renameGlobals: true,
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identifiersPrefix: 'foo'
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}
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);
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obfuscatedCode = obfuscationResult.getObfuscatedCode();
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});
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it('match #1: should return correct obfuscated code', () => {
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assert.match(obfuscatedCode, variableDeclaration1);
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});
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it('match #2: should return correct obfuscated code', () => {
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assert.match(obfuscatedCode, variableDeclaration2);
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});
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it('match #3: should return correct obfuscated code', () => {
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assert.match(obfuscatedCode, variableDeclaration3);
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});
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it('match #4: should return correct obfuscated code', () => {
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assert.match(obfuscatedCode, functionDeclaration);
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});
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});
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});
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describe('latin literal variable value', () => {
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const stringArrayLatinRegExp: RegExp = /^var _0x(\w){4} *= *\['abc'\];/;
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const stringArrayCallRegExp: RegExp = /var *test *= *_0x(\w){4}\('0x0'\);$/;
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let obfuscatedCode: string;
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beforeEach(() => {
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const code: string = readFileAsString(__dirname + '/fixtures/simple-input-2.js');
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const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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...NO_ADDITIONAL_NODES_PRESET,
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stringArray: true,
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stringArrayThreshold: 1
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}
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);
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obfuscatedCode = obfuscationResult.getObfuscatedCode();
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});
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it('match #1: should return correct obfuscated code', () => {
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assert.match(obfuscatedCode, stringArrayLatinRegExp);
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});
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it('match #2: should return correct obfuscated code', () => {
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assert.match(obfuscatedCode, stringArrayCallRegExp);
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});
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});
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describe('cyrillic literal variable value', () => {
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const stringArrayCyrillicRegExp: RegExp = /^var _0x(\w){4} *= *\['абц'\];/;
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const stringArrayCallRegExp: RegExp = /var *test *= *_0x(\w){4}\('0x0'\);$/;
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let obfuscatedCode: string;
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beforeEach(() => {
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const code: string = readFileAsString(__dirname + '/fixtures/simple-input-cyrillic.js');
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const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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...NO_ADDITIONAL_NODES_PRESET,
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stringArray: true,
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stringArrayThreshold: 1
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}
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);
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obfuscatedCode = obfuscationResult.getObfuscatedCode();
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});
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it('match #1: should return correct obfuscated code', () => {
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assert.match(obfuscatedCode, stringArrayCyrillicRegExp);
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});
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it('match #2: should return correct obfuscated code', () => {
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assert.match(obfuscatedCode, stringArrayCallRegExp);
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});
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});
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describe('seed', function () {
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this.timeout(60000);
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describe('same seed on each run', () => {
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const code: string = readFileAsString('./test/fixtures/sample.js');
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const samples: number = 100;
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let obfuscatedCode1: string,
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obfuscatedCode2: string,
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seed: number = 12345,
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equalsCount: number = 0;
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beforeEach(() => {
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for (let i: number = 0; i < samples; i++) {
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if (i % 20 === 0) {
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seed++;
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}
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const obfuscationResult1: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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seed: seed
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}
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);
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const obfuscationResult2: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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seed: seed
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}
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);
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obfuscatedCode1 = obfuscationResult1.getObfuscatedCode();
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obfuscatedCode2 = obfuscationResult2.getObfuscatedCode();
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if (obfuscatedCode1 === obfuscatedCode2) {
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equalsCount++;
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}
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}
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});
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it('should return same code every time with same `seed`', () => {
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assert.equal(equalsCount, samples);
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});
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});
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describe('Variant #1: different seed on each run', () => {
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const code: string = readFileAsString('./test/fixtures/sample.js');
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let obfuscatedCode1: string,
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obfuscatedCode2: string;
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beforeEach(() => {
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const obfuscationResult1: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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seed: 12345
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}
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);
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const obfuscationResult2: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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seed: 12346
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}
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);
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obfuscatedCode1 = obfuscationResult1.getObfuscatedCode();
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obfuscatedCode2 = obfuscationResult2.getObfuscatedCode();
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});
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it('should return different obfuscated code with different `seed` option value', () => {
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assert.notEqual(obfuscatedCode1, obfuscatedCode2);
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});
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});
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describe('Variant #2: different seed on each run', () => {
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const code: string = readFileAsString('./test/fixtures/sample.js');
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let obfuscatedCode1: string,
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obfuscatedCode2: string;
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beforeEach(() => {
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const obfuscationResult1: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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seed: 0
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}
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);
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const obfuscationResult2: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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code,
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{
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seed: 0
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}
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);
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obfuscatedCode1 = obfuscationResult1.getObfuscatedCode();
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obfuscatedCode2 = obfuscationResult2.getObfuscatedCode();
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});
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it('should return different obfuscated code with different `seed` option value', () => {
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assert.notEqual(obfuscatedCode1, obfuscatedCode2);
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});
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});
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describe('Variant #3: same seed for different source code', () => {
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const code1: string = readFileAsString(__dirname + '/fixtures/simple-input-cyrillic.js');
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const code2: string = readFileAsString(__dirname + '/fixtures/simple-input-2.js');
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const regExp: RegExp = /var (_0x(\w){4}) *= *\['.*'\];/;
|
|
|
|
let match1: string,
|
|
match2: string;
|
|
|
|
beforeEach(() => {
|
|
const obfuscationResult1: IObfuscationResult = JavaScriptObfuscator.obfuscate(
|
|
code1,
|
|
{
|
|
seed: 123,
|
|
stringArrayThreshold: 1
|
|
}
|
|
);
|
|
const obfuscationResult2: IObfuscationResult = JavaScriptObfuscator.obfuscate(
|
|
code2,
|
|
{
|
|
seed: 123,
|
|
stringArrayThreshold: 1
|
|
}
|
|
);
|
|
|
|
const obfuscatedCode1: string = obfuscationResult1.getObfuscatedCode();
|
|
const obfuscatedCode2: string = obfuscationResult2.getObfuscatedCode();
|
|
|
|
match1 = getRegExpMatch(obfuscatedCode1, regExp);
|
|
match2 = getRegExpMatch(obfuscatedCode2, regExp);
|
|
});
|
|
|
|
it('should return different String Array names for different source code with same seed', () => {
|
|
assert.notEqual(match1, match2);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('new.target MetaProperty', () => {
|
|
const regExp: RegExp = /new\.target *=== *Foo/;
|
|
|
|
let obfuscatedCode: string;
|
|
|
|
beforeEach(() => {
|
|
const code: string = readFileAsString(__dirname + '/fixtures/new-target.js');
|
|
const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
|
|
code,
|
|
{
|
|
...NO_ADDITIONAL_NODES_PRESET
|
|
}
|
|
);
|
|
|
|
obfuscatedCode = obfuscationResult.getObfuscatedCode();
|
|
});
|
|
|
|
it('should keep new.target MetaProperty', () => {
|
|
assert.match(obfuscatedCode, regExp);
|
|
});
|
|
});
|
|
|
|
describe('mangled identifier names generator', () => {
|
|
const regExp: RegExp = /var *c *= *0x1/;
|
|
|
|
let obfuscatedCode: string;
|
|
|
|
beforeEach(() => {
|
|
const code: string = readFileAsString(__dirname + '/fixtures/mangle.js');
|
|
const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
|
|
code,
|
|
{
|
|
identifierNamesGenerator: IdentifierNamesGenerator.MangledIdentifierNamesGenerator
|
|
}
|
|
);
|
|
|
|
obfuscatedCode = obfuscationResult.getObfuscatedCode();
|
|
});
|
|
|
|
it('should mangle obfuscated code', () => {
|
|
assert.match(obfuscatedCode, regExp);
|
|
});
|
|
});
|
|
|
|
describe('parse module', () => {
|
|
describe('Variant #1: import', () => {
|
|
const importRegExp: RegExp = /import *{foo} *from *'.\/foo';/;
|
|
const variableDeclarationRegExp: RegExp = /var *test *= *0x1/;
|
|
|
|
let obfuscatedCode: string;
|
|
|
|
beforeEach(() => {
|
|
const code: string = readFileAsString(__dirname + '/fixtures/parse-module-1.js');
|
|
const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(code);
|
|
|
|
obfuscatedCode = obfuscationResult.getObfuscatedCode();
|
|
});
|
|
|
|
it('Match #!: should correctly obfuscate a import', () => {
|
|
assert.match(obfuscatedCode, importRegExp);
|
|
});
|
|
|
|
it('Match #2: should correctly obfuscate a module', () => {
|
|
assert.match(obfuscatedCode, variableDeclarationRegExp);
|
|
});
|
|
});
|
|
|
|
describe('Variant #2: export', () => {
|
|
const regExp: RegExp = /export *const *foo *= *0x1;/;
|
|
|
|
let obfuscatedCode: string;
|
|
|
|
beforeEach(() => {
|
|
const code: string = readFileAsString(__dirname + '/fixtures/parse-module-2.js');
|
|
const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(code);
|
|
|
|
obfuscatedCode = obfuscationResult.getObfuscatedCode();
|
|
});
|
|
|
|
it('should correctly obfuscate a module', () => {
|
|
assert.match(obfuscatedCode, regExp);
|
|
});
|
|
});
|
|
});
|
|
|
|
describe('3.5k variables', function () {
|
|
this.timeout(200000);
|
|
|
|
const expectedValue: number = 3500;
|
|
|
|
let result: number;
|
|
|
|
beforeEach(() => {
|
|
const code: string = buildLargeCode(expectedValue);
|
|
const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
|
|
code,
|
|
{
|
|
compact: true,
|
|
controlFlowFlattening: true,
|
|
controlFlowFlatteningThreshold: 1,
|
|
deadCodeInjection: true,
|
|
deadCodeInjectionThreshold: 1,
|
|
disableConsoleOutput: false,
|
|
rotateStringArray: true,
|
|
stringArray: true,
|
|
stringArrayEncoding: StringArrayEncoding.Rc4,
|
|
stringArrayThreshold: 1,
|
|
transformObjectKeys: true,
|
|
unicodeEscapeSequence: false
|
|
}
|
|
);
|
|
|
|
const obfuscatedCode: string = obfuscationResult.getObfuscatedCode();
|
|
result = eval(obfuscatedCode);
|
|
});
|
|
|
|
it('should correctly obfuscate 3.5k variables', () => {
|
|
assert.equal(result, expectedValue);
|
|
});
|
|
});
|
|
});
|
|
});
|