All files / src/custom-nodes/unicode-array-nodes UnicodeArrayDecodeNode.ts

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
 
 
1x
 
 
 
 
 
1x
 
1x
 
1x
1x
1x
 
1x
1x
1x
 
 
1x
 
 
 
4x
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
4x
 
4x
4x
 
 
 
 
 
 
4x
2x
 
 
2x
 
 
 
 
 
 
2x
 
 
 
 
 
 
2x
 
2x
 
2x
1x
 
 
 
 
1x
 
 
2x
 
 
 
 
 
 
 
 
 
 
 
 
 
import * as ESTree from 'estree';
 
import 'format-unicorn';
 
import { IOptions } from '../../interfaces/IOptions';
 
import { TNodeWithBlockStatement } from '../../types/TNodeWithBlockStatement';
 
import { AppendState } from '../../enums/AppendState';
 
import { NO_CUSTOM_NODES_PRESET } from '../../preset-options/NoCustomNodesPreset';
 
import { AtobTemplate } from '../../templates/custom-nodes/AtobTemplate';
import { SelfDefendingTemplate } from '../../templates/custom-nodes/unicode-array-nodes/unicode-array-decode-node/SelfDefendingTemplate';
import { UnicodeArrayDecodeNodeTemplate } from '../../templates/custom-nodes/unicode-array-nodes/unicode-array-decode-node/UnicodeArrayDecodeNodeTemplate';
 
import { AbstractCustomNode } from '../AbstractCustomNode';
import { JavaScriptObfuscator } from '../../JavaScriptObfuscator';
import { NodeUtils } from '../../NodeUtils';
import { UnicodeArray } from '../../UnicodeArray';
 
export class UnicodeArrayDecodeNode extends AbstractCustomNode {
    /**
     * @type {AppendState}
     */
    protected appendState: AppendState = AppendState.AfterObfuscation;
 
    /**
     * @type {UnicodeArray}
     */
    private unicodeArray: UnicodeArray;
 
    /**
     * @type {string}
     */
    private unicodeArrayName: string;
 
    /**
     * @param unicodeArrayName
     * @param unicodeArray
     * @param options
     */
    constructor (
        unicodeArrayName: string,
        unicodeArray: UnicodeArray,
        options: IOptions
    ) {
        super(options);
 
        this.unicodeArrayName = unicodeArrayName;
        this.unicodeArray = unicodeArray;
    }
 
    /**
     * @param blockScopeNode
     */
    public appendNode (blockScopeNode: TNodeWithBlockStatement): void {
        if (!this.unicodeArray.getLength()) {
            return;
        }
 
        NodeUtils.insertNodeAtIndex(blockScopeNode.body, this.getNode(), 1);
    }
 
    /**
     * @returns {ESTree.Node}
     */
    public getNode (): ESTree.Node {
        return super.getNode();
    }
 
    /**
     * @returns {ESTree.Node}
     */
    protected getNodeStructure (): ESTree.Node {
        const forLoopFunctionName: string = 'forLoopFunc';
 
        let code: string;
 
        if (this.options.selfDefending) {
            code = SelfDefendingTemplate().formatUnicorn({
                forLoopFunctionName,
                unicodeArrayName: this.unicodeArrayName
            });
        } else {
            code = `${forLoopFunctionName}();`;
        }
 
        return NodeUtils.convertCodeToStructure(
            JavaScriptObfuscator.obfuscate(
                UnicodeArrayDecodeNodeTemplate().formatUnicorn({
                    atobPolyfill: AtobTemplate(),
                    code,
                    forLoopFunctionName,
                    unicodeArrayName: this.unicodeArrayName
                }),
                NO_CUSTOM_NODES_PRESET
            ).getObfuscatedCode()
        );
    }
}