admin/javascript-obfuscator-javascript-obfuscator
1
0
Fork 0
mirror of https://github.com/javascript-obfuscator/javascript-obfuscator synced 2026-08-09 12:42:29 +00:00
Code Issues Packages Projects Releases Wiki Activity

Sync with master

Browse Source
This commit is contained in:
sanex
2021-06-23 15:39:28 +03:00
parent 600a180d47 3007099aec
commit 08e308e92c
22 changed files with 500 additions and 385 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/ASTParserFacade.ts
+1 -1
View File
@@ -70,7 +70,7 @@ export class ASTParserFacade {
sourceType
};
const program: ESTree.Program = <any>acorn
const program: acorn.Node & ESTree.Program = <acorn.Node & ESTree.Program>acorn
.parse(sourceCode, config);
if (comments.length) {
src/custom-code-helpers/string-array/StringArrayCallsWrapperBase64CodeHelper.ts
+2 -1
View File
@@ -26,7 +26,8 @@ export class StringArrayCallsWrapperBase64CodeHelper extends StringArrayCallsWra
atobFunctionName,
selfDefendingCode,
stringArrayName: this.stringArrayName,
stringArrayCallsWrapperName: this.stringArrayCallsWrapperName
stringArrayCallsWrapperName: this.stringArrayCallsWrapperName,
stringArrayCacheName: this.stringArrayCacheName
}
);
}
src/custom-code-helpers/string-array/StringArrayCallsWrapperCodeHelper.ts
+9
View File
@@ -38,6 +38,12 @@ export class StringArrayCallsWrapperCodeHelper extends AbstractCustomCodeHelper
@initializable()
protected stringArrayCallsWrapperName!: string;
/**
* @type {string}
*/
@initializable()
protected stringArrayCacheName!: string;
/**
* @type {IEscapeSequenceEncoder}
*/
@@ -84,6 +90,8 @@ export class StringArrayCallsWrapperCodeHelper extends AbstractCustomCodeHelper
this.stringArrayName = stringArrayName;
this.stringArrayCallsWrapperName = stringArrayCallsWrapperName;
this.indexShiftAmount = indexShiftAmount;
this.stringArrayCacheName = this.randomGenerator.getRandomString(6);
}
/**
@@ -107,6 +115,7 @@ export class StringArrayCallsWrapperCodeHelper extends AbstractCustomCodeHelper
decodeCodeHelperTemplate,
stringArrayCallsWrapperName: this.stringArrayCallsWrapperName,
stringArrayName: this.stringArrayName,
stringArrayCacheName: this.stringArrayCacheName,
indexShiftAmount: this.indexShiftAmount
}),
{
src/custom-code-helpers/string-array/StringArrayCallsWrapperRc4CodeHelper.ts
+6 -2
View File
@@ -13,12 +13,14 @@ export class StringArrayCallsWrapperRc4CodeHelper extends StringArrayCallsWrappe
*/
protected override getDecodeStringArrayTemplate (): string {
const atobFunctionName: string = this.randomGenerator.getRandomString(6);
const rc4FunctionName: string = this.randomGenerator.getRandomString(6);
const atobPolyfill: string = this.customCodeHelperFormatter.formatTemplate(AtobTemplate(), {
atobFunctionName
});
const rc4Polyfill: string = this.customCodeHelperFormatter.formatTemplate(Rc4Template(), {
atobFunctionName
atobFunctionName,
rc4FunctionName
});
const selfDefendingCode: string = this.getSelfDefendingTemplate();
@@ -27,10 +29,12 @@ export class StringArrayCallsWrapperRc4CodeHelper extends StringArrayCallsWrappe
StringArrayRC4DecodeTemplate(this.randomGenerator),
{
atobPolyfill,
rc4FunctionName,
rc4Polyfill,
selfDefendingCode,
stringArrayName: this.stringArrayName,
stringArrayCallsWrapperName: this.stringArrayCallsWrapperName
stringArrayCallsWrapperName: this.stringArrayCallsWrapperName,
stringArrayCacheName: this.stringArrayCacheName
}
);
}
src/custom-code-helpers/string-array/templates/string-array-calls-wrapper/AtobTemplate.ts
+8 -1
View File
@@ -11,6 +11,8 @@ export function AtobTemplate (): string {
const chars = '${base64alphabetSwapped}';
let output = '';
let tempEncodedString = '';
for (
let bc = 0, bs, buffer, idx = 0;
buffer = input.charAt(idx++);
@@ -19,7 +21,12 @@ export function AtobTemplate (): string {
) {
buffer = chars.indexOf(buffer);
}
return output;
for (let k = 0, length = output.length; k < length; k++) {
tempEncodedString += '%' + ('00' + output.charCodeAt(k).toString(16)).slice(-2);
}
return decodeURIComponent(tempEncodedString);
};
`;
}
src/custom-code-helpers/string-array/templates/string-array-calls-wrapper/Rc4Template.ts
+4 -10
View File
@@ -3,17 +3,11 @@
*/
export function Rc4Template (): string {
return `
const rc4 = function (str, key) {
let s = [], j = 0, x, res = '', newStr = '';
const {rc4FunctionName} = function (str, key) {
let s = [], j = 0, x, output = '';
str = {atobFunctionName}(str);
for (let k = 0, length = str.length; k < length; k++) {
newStr += '%' + ('00' + str.charCodeAt(k).toString(16)).slice(-2);
}
str = decodeURIComponent(newStr);
let i;
for (i = 0; i < 256; i++) {
@@ -36,10 +30,10 @@ export function Rc4Template (): string {
x = s[i];
s[i] = s[j];
s[j] = x;
res += String.fromCharCode(str.charCodeAt(y) ^ s[(s[i] + s[j]) % 256]);
output += String.fromCharCode(str.charCodeAt(y) ^ s[(s[i] + s[j]) % 256]);
}
return res;
return output;
}
`;
}
src/custom-code-helpers/string-array/templates/string-array-calls-wrapper/StringArrayBase64DecodeTemplate.ts
+9 -20
View File
@@ -10,38 +10,27 @@ export function StringArrayBase64DecodeTemplate (
): string {
const identifierLength: number = 6;
const initializedIdentifier: string = randomGenerator.getRandomString(identifierLength);
const base64DecodeFunctionIdentifier: string = randomGenerator.getRandomString(identifierLength);
const dataIdentifier: string = randomGenerator.getRandomString(identifierLength);
const base64Identifier: string = randomGenerator.getRandomString(identifierLength);
return `
if ({stringArrayCallsWrapperName}.${initializedIdentifier} === undefined) {
{atobPolyfill}
{stringArrayCallsWrapperName}.${base64DecodeFunctionIdentifier} = function (str) {
const string = {atobFunctionName}(str);
let newStringChars = [];
for (let i = 0, length = string.length; i < length; i++) {
newStringChars += '%' + ('00' + string.charCodeAt(i).toString(16)).slice(-2);
}
return decodeURIComponent(newStringChars);
};
{stringArrayCallsWrapperName}.${dataIdentifier} = {};
{stringArrayCallsWrapperName}.${base64Identifier} = {atobFunctionName};
{stringArrayCacheName} = arguments;
{stringArrayCallsWrapperName}.${initializedIdentifier} = true;
}
const firstValue = {stringArrayName}[0];
const cacheKey = index + firstValue;
const cachedValue = {stringArrayCallsWrapperName}.${dataIdentifier}[cacheKey];
if (cachedValue === undefined) {
const cachedValue = {stringArrayCacheName}[cacheKey];
if (!cachedValue) {
{selfDefendingCode}
value = {stringArrayCallsWrapperName}.${base64DecodeFunctionIdentifier}(value);
{stringArrayCallsWrapperName}.${dataIdentifier}[cacheKey] = value;
value = {stringArrayCallsWrapperName}.${base64Identifier}(value);
{stringArrayCacheName}[cacheKey] = value;
} else {
value = cachedValue;
}
src/custom-code-helpers/string-array/templates/string-array-calls-wrapper/StringArrayCallsWrapperTemplate.ts
+14 -7
View File
@@ -1,16 +1,23 @@
/**
* The first parameter of the outer stringArrayCallsWrapperName function will be used as an initial index
* and later as a cache variable that will be captured by the inner function
*
* @returns {string}
*/
export function StringArrayCallsWrapperTemplate (): string {
return `
function {stringArrayCallsWrapperName} (index, key) {
index = index - {indexShiftAmount};
function {stringArrayCallsWrapperName} ({stringArrayCacheName}, key) {
{stringArrayCallsWrapperName} = function (index, key) {
index = index - {indexShiftAmount};
let value = {stringArrayName}[index];
{decodeCodeHelperTemplate}
let value = {stringArrayName}[index];
{decodeCodeHelperTemplate}
return value;
return value;
};
return {stringArrayCallsWrapperName}({stringArrayCacheName}, key);
}
`;
}
src/custom-code-helpers/string-array/templates/string-array-calls-wrapper/StringArrayRC4DecodeTemplate.ts
+5 -7
View File
@@ -11,26 +11,24 @@ export function StringArrayRC4DecodeTemplate (
const identifierLength: number = 6;
const initializedIdentifier: string = randomGenerator.getRandomString(identifierLength);
const rc4Identifier: string = randomGenerator.getRandomString(identifierLength);
const dataIdentifier: string = randomGenerator.getRandomString(identifierLength);
const onceIdentifier: string = randomGenerator.getRandomString(identifierLength);
return `
if ({stringArrayCallsWrapperName}.${initializedIdentifier} === undefined) {
{atobPolyfill}
{rc4Polyfill}
{stringArrayCallsWrapperName}.${rc4Identifier} = rc4;
{stringArrayCallsWrapperName}.${rc4Identifier} = {rc4FunctionName};
{stringArrayCallsWrapperName}.${dataIdentifier} = {};
{stringArrayCacheName} = arguments;
{stringArrayCallsWrapperName}.${initializedIdentifier} = true;
}
const firstValue = {stringArrayName}[0];
const cacheKey = index + firstValue;
const cachedValue = {stringArrayCallsWrapperName}.${dataIdentifier}[cacheKey];
const cachedValue = {stringArrayCacheName}[cacheKey];
if (cachedValue === undefined) {
if (!cachedValue) {
if ({stringArrayCallsWrapperName}.${onceIdentifier} === undefined) {
{selfDefendingCode}
@@ -38,7 +36,7 @@ export function StringArrayRC4DecodeTemplate (
}
value = {stringArrayCallsWrapperName}.${rc4Identifier}(value, key);
{stringArrayCallsWrapperName}.${dataIdentifier}[cacheKey] = value;
{stringArrayCacheName}[cacheKey] = value;
} else {
value = cachedValue;
}
src/node-transformers/dead-code-injection-transformers/DeadCodeInjectionTransformer.ts
+8 -1
View File
@@ -52,6 +52,13 @@ export class DeadCodeInjectionTransformer extends AbstractNodeTransformer {
NodeTransformer.ScopeIdentifiersTransformer
];
/**
* @type {NodeTransformer[]}
*/
public override readonly runAfter: NodeTransformer[] = [
NodeTransformer.ScopeIdentifiersTransformer
];
/**
* @type {Set <BlockStatement>}
*/
@@ -237,7 +244,7 @@ export class DeadCodeInjectionTransformer extends AbstractNodeTransformer {
}
};
case NodeTransformationStage.Finalizing:
case NodeTransformationStage.RenameIdentifiers:
if (!this.deadCodeInjectionRootAstHostNodeSet.size) {
return null;
}