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@@ -0,0 +1,96 @@
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+import { assert } from 'chai';
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+
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+import { IObfuscationResult } from '../../../../../src/interfaces/IObfuscationResult';
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+
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+import { NO_CUSTOM_NODES_PRESET } from '../../../../../src/options/presets/NoCustomNodes';
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+
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+import { readFileAsString } from '../../../../helpers/readFileAsString';
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+
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+import { JavaScriptObfuscator } from '../../../../../src/JavaScriptObfuscator';
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+
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+describe('CallExpressionControlFlowReplacer', () => {
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+ describe('replace (callExpressionNode: ESTree.CallExpression,parentNode: ESTree.Node,controlFlowStorage: IStorage <ICustomNode>)', () => {
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+ describe('variant #1 - single call expression', () => {
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+ const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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+ readFileAsString(
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+ './test/fixtures/node-transformers/node-control-flow-transformers/control-flow-replacers/call-expression-control-flow-replacer/call-expression-control-flow-replacer-1.js'
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+ ),
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+ {
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+ ...NO_CUSTOM_NODES_PRESET,
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+ controlFlowFlattening: true,
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+ controlFlowFlatteningThreshold: 1
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+ }
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+ );
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+ const obfuscatedCode: string = obfuscationResult.getObfuscatedCode();
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+ const controlFlowStorageCallRegExp: RegExp = /var *_0x([a-z0-9]){4,6} *= *_0x([a-z0-9]){4,6}\['(\\x[a-f0-9]*){3}'\]\(_0x([a-z0-9]){4,6}, *0x1, *0x2\);/;
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+
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+ it('should replace call expression node by call to control flow storage node', () => {
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+ assert.match(obfuscatedCode, controlFlowStorageCallRegExp);
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+ });
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+ });
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+
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+ describe('variant #2 - multiple call expressions with threshold = 1', () => {
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+ it('should replace call expression node by call to control flow storage node', function () {
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+ this.timeout(4000);
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+
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+ const samplesCount: number = 200;
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+ const expectedValue: number = 0.5;
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+ const delta: number = 0.1;
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+
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+ let equalsValue: number = 0;
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+
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+ for (let i = 0; i < samplesCount; i++) {
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+ const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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+ readFileAsString(
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+ './test/fixtures/node-transformers/node-control-flow-transformers/control-flow-replacers/call-expression-control-flow-replacer/call-expression-control-flow-replacer-2.js'
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+ ),
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+ {
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+ ...NO_CUSTOM_NODES_PRESET,
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+ controlFlowFlattening: true,
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+ controlFlowFlatteningThreshold: 1
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+ }
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+ );
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+ const obfuscatedCode: string = obfuscationResult.getObfuscatedCode();
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+ const controlFlowStorageCallRegExp1: RegExp = /var *_0x([a-z0-9]){4,6} *= *(_0x([a-z0-9]){4,6}\['(\\x[a-f0-9]*){3}'\])\(_0x([a-z0-9]){4,6}, *0x1, *0x2\);/;
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+ const controlFlowStorageCallRegExp2: RegExp = /var *_0x([a-z0-9]){4,6} *= *(_0x([a-z0-9]){4,6}\['(\\x[a-f0-9]*){3}'\])\(_0x([a-z0-9]){4,6}, *0x2, *0x3\);/;
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+
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+ const firstMatchArray: RegExpMatchArray | null = obfuscatedCode.match(controlFlowStorageCallRegExp1);
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+ const secondMatchArray: RegExpMatchArray | null = obfuscatedCode.match(controlFlowStorageCallRegExp2);
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+
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+ const firstMatch: string | undefined = firstMatchArray ? firstMatchArray[2] : undefined;
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+ const secondMatch: string | undefined = secondMatchArray ? secondMatchArray[2] : undefined;
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+
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+ assert.match(obfuscatedCode, controlFlowStorageCallRegExp1);
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+ assert.match(obfuscatedCode, controlFlowStorageCallRegExp2);
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+ assert.isOk(firstMatch);
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+ assert.isOk(secondMatch);
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+
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+ if (firstMatch === secondMatch) {
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+ equalsValue++;
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+ }
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+ }
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+
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+ assert.closeTo(equalsValue / samplesCount, expectedValue, delta);
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+ });
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+ });
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+
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+ describe('variant #3 - callee - member expression', () => {
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+ const obfuscationResult: IObfuscationResult = JavaScriptObfuscator.obfuscate(
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+ readFileAsString(
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+ './test/fixtures/node-transformers/node-control-flow-transformers/control-flow-replacers/call-expression-control-flow-replacer/call-expression-control-flow-replacer-3.js'
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+ ),
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+ {
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+ ...NO_CUSTOM_NODES_PRESET,
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+ controlFlowFlattening: true,
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+ controlFlowFlatteningThreshold: 1
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+ }
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+ );
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+ const obfuscatedCode: string = obfuscationResult.getObfuscatedCode();
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+ const controlFlowStorageCallRegExp: RegExp = /var *_0x([a-z0-9]){4,6} *= *_0x([a-z0-9]){4,6}\['\\x73\\x75\\x6d'\]\(0x1, *0x2\);/;
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+
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+ it('shouldn\'t replace call expression node by call to control flow storage node if call expression callee is member expression node', () => {
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+ assert.match(obfuscatedCode, controlFlowStorageCallRegExp);
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+ });
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+ });
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+ });
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+});
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