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Some refactoring

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This commit is contained in:
sanex3339
2018-01-13 18:21:29 +03:00
parent 255dd1476b
commit 4282ed2a81
5 changed files with 20 additions and 99 deletions
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src/JavaScriptObfuscator.ts
+16 -83
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@@ -184,7 +184,7 @@ export class JavaScriptObfuscator implements IJavaScriptObfuscator {
return astTree;
}
astTree = this.runPreparingStage(astTree);
astTree = this.runTransformationStage(astTree, TransformationStage.Preparing);
this.logger.info(LoggingMessage.AnalyzingASTTreeStage);
const stackTraceData: IStackTraceData[] = this.stackTraceAnalyzer.analyze(astTree);
@@ -202,11 +202,17 @@ export class JavaScriptObfuscator implements IJavaScriptObfuscator {
this.obfuscationEventEmitter.emit(ObfuscationEvent.BeforeObfuscation, astTree, stackTraceData);
astTree = this.runDeadCodeInjectionStage(astTree);
astTree = this.runControlFlowFlatteningStage(astTree);
astTree = this.runConvertingStage(astTree);
astTree = this.runObfuscatingStage(astTree);
astTree = this.runFinalizingStage(astTree);
if (this.options.deadCodeInjection) {
astTree = this.runTransformationStage(astTree, TransformationStage.DeadCodeInjection);
}
if (this.options.controlFlowFlattening) {
astTree = this.runTransformationStage(astTree, TransformationStage.ControlFlowFlattening);
}
astTree = this.runTransformationStage(astTree, TransformationStage.Converting);
astTree = this.runTransformationStage(astTree, TransformationStage.Obfuscating);
astTree = this.runTransformationStage(astTree, TransformationStage.Finalizing);
this.obfuscationEventEmitter.emit(ObfuscationEvent.AfterObfuscation, astTree, stackTraceData);
@@ -253,89 +259,16 @@ export class JavaScriptObfuscator implements IJavaScriptObfuscator {
/**
* @param {Program} astTree
* @param {TransformationStage} transformationStage
* @returns {Program}
*/
private runPreparingStage (astTree: ESTree.Program): ESTree.Program {
this.logger.info(LoggingMessage.TransformationStage, TransformationStage.Preparing);
private runTransformationStage (astTree: ESTree.Program, transformationStage: TransformationStage): ESTree.Program {
this.logger.info(LoggingMessage.TransformationStage, transformationStage);
return this.transformersRunner.transform(
astTree,
JavaScriptObfuscator.transformersList,
TransformationStage.Preparing
);
}
/**
* @param {Program} astTree
* @returns {Program}
*/
private runDeadCodeInjectionStage (astTree: ESTree.Program): ESTree.Program {
if (this.options.deadCodeInjection) {
this.logger.info(LoggingMessage.TransformationStage, TransformationStage.DeadCodeInjection);
}
return this.transformersRunner.transform(
astTree,
JavaScriptObfuscator.transformersList,
TransformationStage.DeadCodeInjection
);
}
/**
* @param {Program} astTree
* @returns {Program}
*/
private runControlFlowFlatteningStage (astTree: ESTree.Program): ESTree.Program {
if (this.options.controlFlowFlattening) {
this.logger.info(LoggingMessage.TransformationStage, TransformationStage.ControlFlowFlattening);
}
return this.transformersRunner.transform(
astTree,
JavaScriptObfuscator.transformersList,
TransformationStage.ControlFlowFlattening
);
}
/**
* @param {Program} astTree
* @returns {Program}
*/
private runConvertingStage (astTree: ESTree.Program): ESTree.Program {
this.logger.info(LoggingMessage.TransformationStage, TransformationStage.Converting);
return this.transformersRunner.transform(
astTree,
JavaScriptObfuscator.transformersList,
TransformationStage.Converting
);
}
/**
* @param {Program} astTree
* @returns {Program}
*/
private runObfuscatingStage (astTree: ESTree.Program): ESTree.Program {
this.logger.info(LoggingMessage.TransformationStage, TransformationStage.Obfuscating);
return this.transformersRunner.transform(
astTree,
JavaScriptObfuscator.transformersList,
TransformationStage.Obfuscating
);
}
/**
* @param {Program} astTree
* @returns {Program}
*/
private runFinalizingStage (astTree: ESTree.Program): ESTree.Program {
this.logger.info(LoggingMessage.TransformationStage, TransformationStage.Finalizing);
return this.transformersRunner.transform(
astTree,
JavaScriptObfuscator.transformersList,
TransformationStage.Finalizing
transformationStage
);
}
}