All files / src/custom-nodes/string-array-nodes/factory StringArrayCustomNodeGroup.ts

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import { injectable, inject } from 'inversify';
import { ServiceIdentifiers } from '../../../container/ServiceIdentifiers';
 
import { TCustomNodeFactory } from '../../../types/container/TCustomNodeFactory';
import { TObfuscationEvent } from '../../../types/event-emitters/TObfuscationEvent';
 
import { ICustomNode } from '../../../interfaces/custom-nodes/ICustomNode';
import { IOptions } from '../../../interfaces/options/IOptions';
import { IStackTraceData } from '../../../interfaces/stack-trace-analyzer/IStackTraceData';
import { IStorage } from '../../../interfaces/storages/IStorage';
 
import { CustomNodes } from '../../../enums/container/CustomNodes';
import { ObfuscationEvents } from '../../../enums/ObfuscationEvents';
 
import { StringArrayNode } from '../StringArrayNode';
 
import { AbstractCustomNodesFactory } from '../../AbstractCustomNodesFactory';
import { StringArrayStorage } from '../../../storages/string-array/StringArrayStorage';
import { Utils } from '../../../Utils';
 
@injectable()
export class StringArrayCustomNodesFactory extends AbstractCustomNodesFactory {
    /**
     * @type {TObfuscationEvent}
     */
    protected appendEvent: TObfuscationEvent = ObfuscationEvents.AfterObfuscation;
 
    /**
     * @type {TCustomNodeFactory}
     */
    private readonly customNodeFactory: TCustomNodeFactory;
 
    /**
     * @param customNodeFactory
     * @param options
     */
    constructor (
        @inject(ServiceIdentifiers['Factory<ICustomNode>']) customNodeFactory: TCustomNodeFactory,
        @inject(ServiceIdentifiers.IOptions) options: IOptions
    ) {
        super(options);
 
        this.customNodeFactory = customNodeFactory;
    }
 
    /**
     * @param stackTraceData
     * @returns {Map<string, ICustomNode>}
     */
    public initializeCustomNodes (stackTraceData: IStackTraceData[]): Map <string, ICustomNode> | undefined {
        if (!this.options.stringArray) {
            return;
        }
 
        const stringArray: IStorage <string> = new StringArrayStorage();
 
        const stringArrayNode: ICustomNode = this.customNodeFactory(CustomNodes.StringArrayNode);
        const stringArrayCallsWrapper: ICustomNode = this.customNodeFactory(CustomNodes.StringArrayCallsWrapper);
        const stringArrayRotateFunctionNode: ICustomNode = this.customNodeFactory(CustomNodes.StringArrayRotateFunctionNode);
 
        const stringArrayName: string = Utils.getRandomVariableName(StringArrayNode.ARRAY_RANDOM_LENGTH);
        const stringArrayCallsWrapperName: string = Utils.getRandomVariableName(StringArrayNode.ARRAY_RANDOM_LENGTH);
 
        let stringArrayRotateValue: number;
 
        if (this.options.rotateStringArray) {
            stringArrayRotateValue = Utils.getRandomInteger(100, 500);
        } else {
            stringArrayRotateValue = 0;
        }
 
        stringArrayNode.initialize(stringArray, stringArrayName, stringArrayRotateValue);
        stringArrayCallsWrapper.initialize(stringArray, stringArrayName, stringArrayCallsWrapperName);
        stringArrayRotateFunctionNode.initialize(stringArray, stringArrayName, stringArrayRotateValue);
 
        const customNodes: Map <string, ICustomNode> = new Map <string, ICustomNode> ([
            ['stringArrayNode', stringArrayNode],
            ['stringArrayCallsWrapper', stringArrayCallsWrapper]
        ]);
 
        if (this.options.rotateStringArray) {
            customNodes.set('stringArrayRotateFunctionNode', stringArrayRotateFunctionNode);
        }
 
        return this.syncCustomNodesWithNodesFactory(customNodes);
    }
}