Code coverage report for src/custom-nodes/string-array-nodes/StringArrayCallsWrapper.ts

# All files / src/custom-nodes/string-array-nodes StringArrayCallsWrapper.ts

100% Statements 35/35
87.5% Branches 7/8
100% Functions 1/1
100% Lines 35/35

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     import * as format from 'string-template';

    import { TNodeWithBlockStatement } from '../../types/node/TNodeWithBlockStatement';
    import { TObfuscationEvent } from '../../types/event-emitters/TObfuscationEvent';
    import { TStatement } from '../../types/node/TStatement';

    import { ICustomNodeWithIdentifier } from '../../interfaces/custom-nodes/ICustomNodeWithIdentifier';
    import { IOptions } from '../../interfaces/options/IOptions';
    import { IStorage } from '../../interfaces/storages/IStorage';

    import { ObfuscationEvents } from '../../enums/ObfuscationEvents';
    import { StringArrayEncoding } from '../../enums/StringArrayEncoding';

    import { NO_CUSTOM_NODES_PRESET } from '../../preset-options/NoCustomNodesPreset';

    import { AtobTemplate } from '../../templates/custom-nodes/AtobTemplate';
    import { Rc4Template } from '../../templates/custom-nodes/Rc4Template';
    import { SelfDefendingTemplate } from '../../templates/custom-nodes/string-array-nodes/string-array-calls-wrapper/SelfDefendingTemplate';
    import { StringArrayBase64DecodeNodeTemplate } from '../../templates/custom-nodes/string-array-nodes/string-array-calls-wrapper/StringArrayBase64DecodeNodeTemplate';
    import { StringArrayCallsWrapperTemplate } from '../../templates/custom-nodes/string-array-nodes/string-array-calls-wrapper/StringArrayCallsWrapperTemplate';
    import { StringArrayRc4DecodeNodeTemplate } from '../../templates/custom-nodes/string-array-nodes/string-array-calls-wrapper/StringArrayRC4DecodeNodeTemplate';

    import { AbstractCustomNode } from '../AbstractCustomNode';
    import { JavaScriptObfuscator } from '../../JavaScriptObfuscator';
    import { NodeAppender } from '../../node/NodeAppender';

    export class StringArrayCallsWrapper extends AbstractCustomNode implements ICustomNodeWithIdentifier {
        /**
         * @type {TObfuscationEvent}
         */
        protected readonly appendEvent: TObfuscationEvent = ObfuscationEvents.AfterObfuscation;

        /**
         * @type {IStorage <string>}
         */
        private stringArray: IStorage <string>;

        /**
         * @type {string}
         */
        private stringArrayName: string;

        /**
         * @type {string}
         */
        private stringArrayCallsWrapperName: string;

        /**
         * @param stringArrayCallsWrapperName
         * @param stringArrayName
         * @param stringArray
         * @param options
         */
        constructor (
            stringArrayCallsWrapperName: string,
            stringArrayName: string,
            stringArray: IStorage <string>,
            options: IOptions
        ) {
            super(options);

            this.stringArrayCallsWrapperName = stringArrayCallsWrapperName;
            this.stringArrayName = stringArrayName;
            this.stringArray = stringArray;
        }

        /**
         * @param blockScopeNode
         */
        public appendNode (blockScopeNode: TNodeWithBlockStatement): void {
            if (!this.stringArray.getLength()) {
                return;
            }

            NodeAppender.insertNodeAtIndex(blockScopeNode, this.getNode(), 1);
        }

        /**
         * @returns {string}
         */
        public getCode (): string {
            const decodeNodeTemplate: string = this.getDecodeStringArrayTemplate();

            return JavaScriptObfuscator.obfuscate(
                format(StringArrayCallsWrapperTemplate(), {
                    decodeNodeTemplate,
                    stringArrayCallsWrapperName: this.stringArrayCallsWrapperName,
                    stringArrayName: this.stringArrayName
                }),
                Object.assign({}, NO_CUSTOM_NODES_PRESET, {
                    seed: this.options.seed
                })
            ).getObfuscatedCode();
        }

        /**
         * @returns {string}
         */
        public getNodeIdentifier (): string {
            return this.stringArrayCallsWrapperName;
        };

        /**
         * @returns {TStatement[]}
         */
        public getNode (): TStatement[] {
            return super.getNode();
        }

        /**
         * @returns {string}
         */
        protected getDecodeStringArrayTemplate (): string {
            let decodeStringArrayTemplate: string = '',
                selfDefendingCode: string = '';

            if (this.options.selfDefending) {
                selfDefendingCode = format(SelfDefendingTemplate(), {
                    stringArrayCallsWrapperName: this.stringArrayCallsWrapperName,
                    stringArrayName: this.stringArrayName
                });
            }

            switch (this.options.stringArrayEncoding) {
                case StringArrayEncoding.base64:
                    decodeStringArrayTemplate = format(StringArrayBase64DecodeNodeTemplate(), {
                        atobPolyfill: AtobTemplate(),
                        selfDefendingCode,
                        stringArrayCallsWrapperName: this.stringArrayCallsWrapperName
                    });

                    break;

                case StringArrayEncoding.rc4:
                    decodeStringArrayTemplate = format(StringArrayRc4DecodeNodeTemplate(), {
                        atobPolyfill: AtobTemplate(),
                        rc4Polyfill: Rc4Template(),
                        selfDefendingCode,
                        stringArrayCallsWrapperName: this.stringArrayCallsWrapperName
                    });

                    break;
            }

            return decodeStringArrayTemplate;
        }
    }