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Ignore object expressions as body of arrow function expression when transformObjectKeys option is enabled

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This commit is contained in:
sanex
2020-11-19 07:45:41 +03:00
parent c7cc68bedb
commit b2aee6cb6c
11 changed files with 137 additions and 121 deletions
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CHANGELOG.md
+4
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@@ -1,5 +1,9 @@
Change Log
v2.9.2
---
* Ignore object expressions as body of arrow function expression when `transformObjectKeys` option is enabled. Fixed https://github.com/javascript-obfuscator/javascript-obfuscator/issues/813
v2.9.1
---
* Fixed wrong `stringArrayWrappersParametersMaxCount` CLI option name
dist/index.browser.js
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dist/index.browser.js.LICENSE.txt
Vendored
-15
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@@ -50,18 +50,3 @@ MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0
THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.
See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */
dist/index.cli.js
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dist/index.js
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+1 -1
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package.json
+6 -6
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@@ -1,6 +1,6 @@
{
"name": "javascript-obfuscator",
"version": "2.9.1",
"version": "2.9.2",
"description": "JavaScript obfuscator",
"keywords": [
"obfuscator",
@@ -58,13 +58,13 @@
"@types/mkdirp": "1.0.1",
"@types/mocha": "8.0.4",
"@types/multimatch": "4.0.0",
"@types/node": "14.14.7",
"@types/node": "14.14.8",
"@types/rimraf": "3.0.0",
"@types/sinon": "9.0.8",
"@types/string-template": "1.0.2",
"@types/webpack-env": "1.15.3",
"@typescript-eslint/eslint-plugin": "4.7.0",
"@typescript-eslint/parser": "4.7.0",
"@typescript-eslint/eslint-plugin": "4.8.1",
"@typescript-eslint/parser": "4.8.1",
"chai": "4.2.0",
"chai-exclude": "2.0.2",
"coveralls": "3.1.0",
@@ -76,7 +76,7 @@
"eslint-plugin-prefer-arrow": "1.2.2",
"eslint-plugin-unicorn": "23.0.0",
"fork-ts-checker-notifier-webpack-plugin": "3.0.0",
"fork-ts-checker-webpack-plugin": "6.0.1",
"fork-ts-checker-webpack-plugin": "6.0.3",
"mocha": "8.2.1",
"nyc": "15.1.0",
"pjson": "1.0.9",
@@ -87,7 +87,7 @@
"ts-loader": "8.0.11",
"ts-node": "9.0.0",
"typescript": "4.1.0-beta",
"webpack": "5.4.0",
"webpack": "5.5.1",
"webpack-cli": "4.2.0",
"webpack-node-externals": "2.5.2"
},
src/node-transformers/converting-transformers/ObjectExpressionKeysTransformer.ts
+37 -14
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@@ -50,31 +50,37 @@ export class ObjectExpressionKeysTransformer extends AbstractNodeTransformer {
/**
* @param {ObjectExpression} objectExpressionNode
* @param {Statement} hostStatement
* @param {Node} objectExpressionParentNode
* @param {Statement} objectExpressionHostStatement
* @returns {boolean}
*/
private static isProhibitedHostStatement (
private static isProhibitedObjectExpressionNode (
objectExpressionNode: ESTree.ObjectExpression,
hostStatement: ESTree.Statement
objectExpressionParentNode: ESTree.Node,
objectExpressionHostStatement: ESTree.Statement
): boolean {
return ObjectExpressionKeysTransformer.isReferencedIdentifierName(
objectExpressionNode,
hostStatement
objectExpressionHostStatement
)
|| ObjectExpressionKeysTransformer.isProhibitedArrowFunctionExpression(
objectExpressionNode,
objectExpressionParentNode
)
|| ObjectExpressionKeysTransformer.isProhibitedSequenceExpression(
objectExpressionNode,
hostStatement
objectExpressionHostStatement
);
}
/**
* @param {ObjectExpression} objectExpressionNode
* @param {Node} hostNode
* @param {Node} objectExpressionHostNode
* @returns {boolean}
*/
private static isReferencedIdentifierName (
objectExpressionNode: ESTree.ObjectExpression,
hostNode: ESTree.Node,
objectExpressionHostNode: ESTree.Node,
): boolean {
const identifierNamesSet: string[] = [];
@@ -82,7 +88,7 @@ export class ObjectExpressionKeysTransformer extends AbstractNodeTransformer {
let isCurrentNode: boolean = false;
// should mark node as prohibited if identifier of node is referenced somewhere inside other nodes
estraverse.traverse(hostNode, {
estraverse.traverse(objectExpressionHostNode, {
enter: (node: ESTree.Node): void | estraverse.VisitorOption => {
if (node === objectExpressionNode) {
isCurrentNode = true;
@@ -116,16 +122,29 @@ export class ObjectExpressionKeysTransformer extends AbstractNodeTransformer {
/**
* @param {ObjectExpression} objectExpressionNode
* @param {Node} hostNode
* @param {Node} objectExpressionNodeParentNode
* @returns {boolean}
*/
private static isProhibitedArrowFunctionExpression (
objectExpressionNode: ESTree.ObjectExpression,
objectExpressionNodeParentNode: ESTree.Node
): boolean {
return NodeGuards.isArrowFunctionExpressionNode(objectExpressionNodeParentNode)
&& objectExpressionNodeParentNode.body === objectExpressionNode;
}
/**
* @param {ObjectExpression} objectExpressionNode
* @param {Node} objectExpressionHostNode
* @returns {boolean}
*/
private static isProhibitedSequenceExpression (
objectExpressionNode: ESTree.ObjectExpression,
hostNode: ESTree.Node,
objectExpressionHostNode: ESTree.Node,
): boolean {
return NodeGuards.isExpressionStatementNode(hostNode)
&& NodeGuards.isSequenceExpressionNode(hostNode.expression)
&& hostNode.expression.expressions.some((expressionNode: ESTree.Expression) =>
return NodeGuards.isExpressionStatementNode(objectExpressionHostNode)
&& NodeGuards.isSequenceExpressionNode(objectExpressionHostNode.expression)
&& objectExpressionHostNode.expression.expressions.some((expressionNode: ESTree.Expression) =>
NodeGuards.isCallExpressionNode(expressionNode)
&& NodeGuards.isSuperNode(expressionNode.callee)
);
@@ -182,7 +201,11 @@ export class ObjectExpressionKeysTransformer extends AbstractNodeTransformer {
const hostStatement: ESTree.Statement = NodeStatementUtils.getRootStatementOfNode(objectExpressionNode);
if (ObjectExpressionKeysTransformer.isProhibitedHostStatement(objectExpressionNode, hostStatement)) {
if (ObjectExpressionKeysTransformer.isProhibitedObjectExpressionNode(
objectExpressionNode,
parentNode,
hostStatement
)) {
return objectExpressionNode;
}
test/dev/dev.ts
+4 -30
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@@ -1,46 +1,20 @@
'use strict';
import { NO_ADDITIONAL_NODES_PRESET } from '../../src/options/presets/NoCustomNodes';
import { StringArrayIndexesType } from '../../src/enums/node-transformers/string-array-transformers/StringArrayIndexesType';
(function () {
const JavaScriptObfuscator: any = require('../../index');
let obfuscatedCode: string = JavaScriptObfuscator.obfuscate(
`
// Paste your JavaScript code here
function hi() {
function inner () {
console.log('inner');
console.log('inner1');
}
console.log("Hello World!");
inner();
}
hi();
const test = () => ({
foo: 'bar'
});
`,
{
...NO_ADDITIONAL_NODES_PRESET,
compact: false,
rotateStringArray: true,
shuffleStringArray: true,
stringArray: true,
/*stringArrayEncoding: [
StringArrayEncoding.None,
StringArrayEncoding.Rc4
],*/
stringArrayIndexesType: [
StringArrayIndexesType.HexadecimalNumericString,
StringArrayIndexesType.HexadecimalNumber
],
stringArrayIndexShift: true,
stringArrayThreshold: 1,
stringArrayWrappersCount: 1,
stringArrayWrappersChainedCalls: true,
stringArrayWrappersParametersMaxCount: 2,
stringArrayWrappersType: 'function'
transformObjectKeys: true
}
).getObfuscatedCode();
test/functional-tests/node-transformers/converting-transformers/object-expression-keys-transformer/ObjectExpressionKeysTransformer.spec.ts
+27
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@@ -1948,5 +1948,32 @@ describe('ObjectExpressionKeysTransformer', () => {
assert.match(obfuscatedCode, regExp);
});
});
describe('Variant #13: object expression as body of arrow function expression', () => {
const match: string = `` +
`const test *= *\\(\\) *=> *\\({`+
`'foo' *: *'bar'` +
`}\\);` +
``;
const regExp: RegExp = new RegExp(match);
let obfuscatedCode: string;
before(() => {
const code: string = readFileAsString(__dirname + '/fixtures/object-expression-as-body-of-arrow-function-expression.js');
obfuscatedCode = JavaScriptObfuscator.obfuscate(
code,
{
...NO_ADDITIONAL_NODES_PRESET,
transformObjectKeys: true
}
).getObfuscatedCode();
});
it('shouldn ignore object expressions keys transformation', () => {
assert.match(obfuscatedCode, regExp);
});
});
});
});
test/functional-tests/node-transformers/converting-transformers/object-expression-keys-transformer/fixtures/object-expression-as-body-of-arrow-function-expression.js
+3
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@@ -0,0 +1,3 @@
const test = () => ({
foo: 'bar'
});
yarn.lock
+53 -53
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@@ -530,10 +530,10 @@
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"@types/normalize-package-data@^2.4.0":
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@@ -580,61 +580,61 @@
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semver "^7.3.2"
tsutils "^3.17.1"
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version "4.7.0"
resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.7.0.tgz#539531167f05ba20eb0b6785567076679e29d393"
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"@typescript-eslint/typescript-estree@4.8.1":
version "4.8.1"
resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.8.1.tgz#7307e3f2c9e95df7daa8dc0a34b8c43b7ec0dd32"
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"@typescript-eslint/visitor-keys" "4.8.1"
debug "^4.1.1"
globby "^11.0.1"
is-glob "^4.0.1"
@@ -642,12 +642,12 @@
semver "^7.3.2"
tsutils "^3.17.1"
"@typescript-eslint/visitor-keys@4.7.0":
version "4.7.0"
resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.7.0.tgz#6783824f22acfc49e754970ed21b88ac03b80e6f"
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"@typescript-eslint/visitor-keys@4.8.1":
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resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.8.1.tgz#794f68ee292d1b2e3aa9690ebedfcb3a8c90e3c3"
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dependencies:
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"@typescript-eslint/types" "4.8.1"
eslint-visitor-keys "^2.0.0"
"@ungap/promise-all-settled@1.1.2":
@@ -2187,10 +2187,10 @@ fork-ts-checker-notifier-webpack-plugin@3.0.0:
dependencies:
node-notifier "^6.0.0"
fork-ts-checker-webpack-plugin@6.0.1:
version "6.0.1"
resolved "https://registry.yarnpkg.com/fork-ts-checker-webpack-plugin/-/fork-ts-checker-webpack-plugin-6.0.1.tgz#77d73640c9275ebfee6b60e6571c6efb7256ee84"
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fork-ts-checker-webpack-plugin@6.0.3:
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resolved "https://registry.yarnpkg.com/fork-ts-checker-webpack-plugin/-/fork-ts-checker-webpack-plugin-6.0.3.tgz#8932dbc5094ebb363a9136ba23230a041ed0be14"
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dependencies:
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"@types/json-schema" "^7.0.5"
@@ -4536,10 +4536,10 @@ webpack-sources@^2.1.1:
source-list-map "^2.0.1"
source-map "^0.6.1"
webpack@5.4.0:
version "5.4.0"
resolved "https://registry.yarnpkg.com/webpack/-/webpack-5.4.0.tgz#4fdc6ec8a0ff9160701fb8f2eb8d06b33ecbae0f"
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webpack@5.5.1:
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resolved "https://registry.yarnpkg.com/webpack/-/webpack-5.5.1.tgz#d6537f85554a0e59f15e6e683af11befdd0476aa"
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dependencies:
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"@types/estree" "^0.0.45"