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IdentifierReplacer temp workaround with runtime crash because we caching node transformers

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This commit is contained in:
sanex3339
2016-11-29 19:57:17 +03:00
parent 8b37df756c
commit 129dd25388
7 changed files with 76 additions and 4 deletions
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dist/index.js
Vendored
+32 -2
View File
@@ -3541,6 +3541,7 @@ var NodeType_1 = __webpack_require__(9);
var AbstractNodeTransformer_1 = __webpack_require__(11);
var Node_1 = __webpack_require__(4);
var NodeUtils_1 = __webpack_require__(10);
var Utils_1 = __webpack_require__(0);
var CatchClauseObfuscator = function (_AbstractNodeTransfor) {
_inherits(CatchClauseObfuscator, _AbstractNodeTransfor);
@@ -3556,6 +3557,10 @@ var CatchClauseObfuscator = function (_AbstractNodeTransfor) {
_createClass(CatchClauseObfuscator, [{
key: "transformNode",
value: function transformNode(catchClauseNode) {
this.identifierReplacer.setPrefix(Utils_1.Utils.getRandomGenerator().string({
length: 5,
pool: Utils_1.Utils.randomGeneratorPool
}));
this.storeCatchClauseParam(catchClauseNode);
this.replaceCatchClauseParam(catchClauseNode);
}
@@ -3631,6 +3636,7 @@ var NodeType_1 = __webpack_require__(9);
var AbstractNodeTransformer_1 = __webpack_require__(11);
var Node_1 = __webpack_require__(4);
var NodeUtils_1 = __webpack_require__(10);
var Utils_1 = __webpack_require__(0);
var FunctionDeclarationObfuscator = function (_AbstractNodeTransfor) {
_inherits(FunctionDeclarationObfuscator, _AbstractNodeTransfor);
@@ -3646,6 +3652,10 @@ var FunctionDeclarationObfuscator = function (_AbstractNodeTransfor) {
_createClass(FunctionDeclarationObfuscator, [{
key: "transformNode",
value: function transformNode(functionDeclarationNode, parentNode) {
this.identifierReplacer.setPrefix(Utils_1.Utils.getRandomGenerator().string({
length: 5,
pool: Utils_1.Utils.randomGeneratorPool
}));
var blockScopeOfFunctionDeclarationNode = NodeUtils_1.NodeUtils.getBlockScopeOfNode(functionDeclarationNode);
if (blockScopeOfFunctionDeclarationNode.type === NodeType_1.NodeType.Program) {
return;
@@ -3725,6 +3735,7 @@ var NodeType_1 = __webpack_require__(9);
var AbstractNodeTransformer_1 = __webpack_require__(11);
var Node_1 = __webpack_require__(4);
var NodeUtils_1 = __webpack_require__(10);
var Utils_1 = __webpack_require__(0);
var FunctionObfuscator = function (_AbstractNodeTransfor) {
_inherits(FunctionObfuscator, _AbstractNodeTransfor);
@@ -3740,6 +3751,10 @@ var FunctionObfuscator = function (_AbstractNodeTransfor) {
_createClass(FunctionObfuscator, [{
key: "transformNode",
value: function transformNode(functionNode) {
this.identifierReplacer.setPrefix(Utils_1.Utils.getRandomGenerator().string({
length: 5,
pool: Utils_1.Utils.randomGeneratorPool
}));
this.storeFunctionParams(functionNode);
this.replaceFunctionParams(functionNode);
}
@@ -3825,6 +3840,7 @@ var NodeType_1 = __webpack_require__(9);
var AbstractNodeTransformer_1 = __webpack_require__(11);
var Node_1 = __webpack_require__(4);
var NodeUtils_1 = __webpack_require__(10);
var Utils_1 = __webpack_require__(0);
var LabeledStatementObfuscator = function (_AbstractNodeTransfor) {
_inherits(LabeledStatementObfuscator, _AbstractNodeTransfor);
@@ -3840,6 +3856,10 @@ var LabeledStatementObfuscator = function (_AbstractNodeTransfor) {
_createClass(LabeledStatementObfuscator, [{
key: "transformNode",
value: function transformNode(labeledStatementNode) {
this.identifierReplacer.setPrefix(Utils_1.Utils.getRandomGenerator().string({
length: 5,
pool: Utils_1.Utils.randomGeneratorPool
}));
this.storeLabeledStatementName(labeledStatementNode);
this.replaceLabeledStatementName(labeledStatementNode);
}
@@ -4292,6 +4312,7 @@ var NodeType_1 = __webpack_require__(9);
var AbstractNodeTransformer_1 = __webpack_require__(11);
var Node_1 = __webpack_require__(4);
var NodeUtils_1 = __webpack_require__(10);
var Utils_1 = __webpack_require__(0);
var VariableDeclarationObfuscator = function (_AbstractNodeTransfor) {
_inherits(VariableDeclarationObfuscator, _AbstractNodeTransfor);
@@ -4307,6 +4328,10 @@ var VariableDeclarationObfuscator = function (_AbstractNodeTransfor) {
_createClass(VariableDeclarationObfuscator, [{
key: "transformNode",
value: function transformNode(variableDeclarationNode, parentNode) {
this.identifierReplacer.setPrefix(Utils_1.Utils.getRandomGenerator().string({
length: 5,
pool: Utils_1.Utils.randomGeneratorPool
}));
var blockScopeOfVariableDeclarationNode = NodeUtils_1.NodeUtils.getBlockScopeOfNode(variableDeclarationNode);
if (blockScopeOfVariableDeclarationNode.type === NodeType_1.NodeType.Program) {
return;
@@ -4458,17 +4483,22 @@ var IdentifierReplacer = function (_AbstractReplacer_1$A) {
_createClass(IdentifierReplacer, [{
key: "replace",
value: function replace(nodeValue) {
var obfuscatedIdentifierName = this.namesMap.get(nodeValue);
var obfuscatedIdentifierName = this.namesMap.get(nodeValue + "-" + this.uniquePrefix);
if (!obfuscatedIdentifierName) {
return nodeValue;
}
return obfuscatedIdentifierName;
}
}, {
key: "setPrefix",
value: function setPrefix(uniquePrefix) {
this.uniquePrefix = uniquePrefix;
}
}, {
key: "storeNames",
value: function storeNames(nodeName) {
if (!this.isReservedName(nodeName)) {
this.namesMap.set(nodeName, Utils_1.Utils.getRandomVariableName());
this.namesMap.set(nodeName + "-" + this.uniquePrefix, Utils_1.Utils.getRandomVariableName());
}
}
}, {
src/node-transformers/node-obfuscators/CatchClauseObfuscator.ts
+6
View File
@@ -16,6 +16,7 @@ import { AbstractNodeTransformer } from '../AbstractNodeTransformer';
import { IdentifierReplacer } from './replacers/IdentifierReplacer';
import { Node } from '../../node/Node';
import { NodeUtils } from '../../node/NodeUtils';
import { Utils } from '../../Utils';
/**
* replaces:
@@ -51,6 +52,11 @@ export class CatchClauseObfuscator extends AbstractNodeTransformer {
* @param catchClauseNode
*/
public transformNode (catchClauseNode: ESTree.CatchClause): void {
this.identifierReplacer.setPrefix(Utils.getRandomGenerator().string({
length: 5,
pool: Utils.randomGeneratorPool
}));
this.storeCatchClauseParam(catchClauseNode);
this.replaceCatchClauseParam(catchClauseNode);
}
src/node-transformers/node-obfuscators/FunctionDeclarationObfuscator.ts
+6
View File
@@ -18,6 +18,7 @@ import { AbstractNodeTransformer } from '../AbstractNodeTransformer';
import { IdentifierReplacer } from './replacers/IdentifierReplacer';
import { Node } from '../../node/Node';
import { NodeUtils } from '../../node/NodeUtils';
import { Utils } from '../../Utils';
/**
* replaces:
@@ -55,6 +56,11 @@ export class FunctionDeclarationObfuscator extends AbstractNodeTransformer {
* @param parentNode
*/
public transformNode (functionDeclarationNode: ESTree.FunctionDeclaration, parentNode: ESTree.Node): void {
this.identifierReplacer.setPrefix(Utils.getRandomGenerator().string({
length: 5,
pool: Utils.randomGeneratorPool
}));
const blockScopeOfFunctionDeclarationNode: TNodeWithBlockStatement = NodeUtils
.getBlockScopeOfNode(functionDeclarationNode);
src/node-transformers/node-obfuscators/FunctionObfuscator.ts
+6
View File
@@ -16,6 +16,7 @@ import { AbstractNodeTransformer } from '../AbstractNodeTransformer';
import { IdentifierReplacer } from './replacers/IdentifierReplacer';
import { Node } from '../../node/Node';
import { NodeUtils } from '../../node/NodeUtils';
import { Utils } from '../../Utils';
/**
* replaces:
@@ -51,6 +52,11 @@ export class FunctionObfuscator extends AbstractNodeTransformer {
* @param functionNode
*/
public transformNode (functionNode: ESTree.Function): void {
this.identifierReplacer.setPrefix(Utils.getRandomGenerator().string({
length: 5,
pool: Utils.randomGeneratorPool
}));
this.storeFunctionParams(functionNode);
this.replaceFunctionParams(functionNode);
}
src/node-transformers/node-obfuscators/LabeledStatementObfuscator.ts
+6
View File
@@ -16,6 +16,7 @@ import { AbstractNodeTransformer } from '../AbstractNodeTransformer';
import { IdentifierReplacer } from './replacers/IdentifierReplacer';
import { Node } from '../../node/Node';
import { NodeUtils } from '../../node/NodeUtils';
import { Utils } from '../../Utils';
/**
* replaces:
@@ -59,6 +60,11 @@ export class LabeledStatementObfuscator extends AbstractNodeTransformer {
* @param labeledStatementNode
*/
public transformNode (labeledStatementNode: ESTree.LabeledStatement): void {
this.identifierReplacer.setPrefix(Utils.getRandomGenerator().string({
length: 5,
pool: Utils.randomGeneratorPool
}));
this.storeLabeledStatementName(labeledStatementNode);
this.replaceLabeledStatementName(labeledStatementNode);
}
src/node-transformers/node-obfuscators/VariableDeclarationObfuscator.ts
+6
View File
@@ -18,6 +18,7 @@ import { AbstractNodeTransformer } from '../AbstractNodeTransformer';
import { IdentifierReplacer } from './replacers/IdentifierReplacer';
import { Node } from '../../node/Node';
import { NodeUtils } from '../../node/NodeUtils';
import { Utils } from '../../Utils';
/**
* replaces:
@@ -56,6 +57,11 @@ export class VariableDeclarationObfuscator extends AbstractNodeTransformer {
* @param parentNode
*/
public transformNode (variableDeclarationNode: ESTree.VariableDeclaration, parentNode: ESTree.Node): void {
this.identifierReplacer.setPrefix(Utils.getRandomGenerator().string({
length: 5,
pool: Utils.randomGeneratorPool
}));
const blockScopeOfVariableDeclarationNode: TNodeWithBlockStatement = NodeUtils
.getBlockScopeOfNode(variableDeclarationNode);
src/node-transformers/node-obfuscators/replacers/IdentifierReplacer.ts
+14 -2
View File
@@ -15,6 +15,11 @@ export class IdentifierReplacer extends AbstractReplacer {
*/
private readonly namesMap: Map<string, string> = new Map<string, string>();
/**
* @type {string}
*/
private uniquePrefix: string;
/**
* @param customNodesStorage
* @param options
@@ -31,7 +36,7 @@ export class IdentifierReplacer extends AbstractReplacer {
* @returns {string}
*/
public replace (nodeValue: string): string {
const obfuscatedIdentifierName: string|undefined = this.namesMap.get(nodeValue);
const obfuscatedIdentifierName: string|undefined = this.namesMap.get(`${nodeValue}-${this.uniquePrefix}`);
if (!obfuscatedIdentifierName) {
return nodeValue;
@@ -40,6 +45,13 @@ export class IdentifierReplacer extends AbstractReplacer {
return obfuscatedIdentifierName;
}
/**
* @param uniquePrefix
*/
public setPrefix (uniquePrefix: string): void {
this.uniquePrefix = uniquePrefix
}
/**
* Store all identifiers names as keys in given `namesMap` with random names as value.
* Reserved names will be ignored.
@@ -48,7 +60,7 @@ export class IdentifierReplacer extends AbstractReplacer {
*/
public storeNames (nodeName: string): void {
if (!this.isReservedName(nodeName)) {
this.namesMap.set(nodeName, Utils.getRandomVariableName());
this.namesMap.set(`${nodeName}-${this.uniquePrefix}`, Utils.getRandomVariableName());
}
}