forked from javascript-obfuscator/javascript-obfuscator
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathOptionsNormalizer.ts
More file actions
172 lines (142 loc) · 4.49 KB
/
OptionsNormalizer.ts
File metadata and controls
172 lines (142 loc) · 4.49 KB
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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
import { IInputOptions } from '../interfaces/options/IInputOptions';
import { IOptions } from '../interfaces/options/IOptions';
import { TOptionsNormalizerRule } from '../types/options/TOptionsNormalizerRule';
import { Utils } from '../Utils';
export class OptionsNormalizer {
/**
* @type {IInputOptions}
*/
private static readonly DISABLED_UNICODE_ARRAY_OPTIONS: IInputOptions = {
rotateStringArray: false,
stringArray: false,
stringArrayEncoding: false,
stringArrayThreshold: 0
};
/**
* @type {IInputOptions}
*/
private static readonly SELF_DEFENDING_OPTIONS: IInputOptions = {
compact: true,
selfDefending: true
};
/**
* @type {IInputOptions}
*/
private static readonly UNICODE_ARRAY_ENCODING_OPTIONS: IInputOptions = {
stringArrayEncoding: 'base64'
};
/**
* @type {TOptionsNormalizerRule[]}
*/
private static readonly normalizerRules: TOptionsNormalizerRule[] = [
OptionsNormalizer.domainLockRule,
OptionsNormalizer.selfDefendingRule,
OptionsNormalizer.sourceMapBaseUrlRule,
OptionsNormalizer.sourceMapFileNameRule,
OptionsNormalizer.stringArrayRule,
OptionsNormalizer.stringArrayEncodingRule,
OptionsNormalizer.stringArrayThresholdRule,
];
/**
* @param options
* @returns {IOptions}
*/
public static normalizeOptions (options: IOptions): IOptions {
let normalizedOptions: IOptions = Object.assign({}, options);
for (const normalizerRule of OptionsNormalizer.normalizerRules) {
normalizedOptions = normalizerRule(normalizedOptions);
}
return normalizedOptions;
}
/**
* @param options
* @returns {IOptions}
*/
private static domainLockRule (options: IOptions): IOptions {
if (options.domainLock.length) {
const normalizedDomains: string[] = [];
for (const domain of options.domainLock) {
normalizedDomains.push(Utils.extractDomainFromUrl(domain));
}
Object.assign(options, {
domainLock: normalizedDomains
});
}
return options;
}
/**
* @param options
* @returns {IOptions}
*/
private static selfDefendingRule (options: IOptions): IOptions {
if (options.selfDefending) {
Object.assign(options, OptionsNormalizer.SELF_DEFENDING_OPTIONS);
}
return options;
}
/**
* @param options
* @returns {IOptions}
*/
private static sourceMapBaseUrlRule (options: IOptions): IOptions {
const sourceMapBaseUrl: string = options.sourceMapBaseUrl;
if (!options.sourceMapFileName) {
Object.assign(options, {
sourceMapBaseUrl: ''
});
return options;
}
if (sourceMapBaseUrl && !sourceMapBaseUrl.endsWith('/')) {
Object.assign(options, {
sourceMapBaseUrl: `${sourceMapBaseUrl}/`
});
}
return options;
}
/**
* @param options
* @returns {IOptions}
*/
private static sourceMapFileNameRule (options: IOptions): IOptions {
let sourceMapFileName: string = options.sourceMapFileName;
if (sourceMapFileName) {
sourceMapFileName = sourceMapFileName
.replace(/^\/+/, '')
.split('.')[0];
Object.assign(options, {
sourceMapFileName: `${sourceMapFileName}.js.map`
});
}
return options;
}
/**
* @param options
* @returns {IOptions}
*/
private static stringArrayRule (options: IOptions): IOptions {
if (!options.stringArray) {
Object.assign(options, OptionsNormalizer.DISABLED_UNICODE_ARRAY_OPTIONS);
}
return options;
}
/**
* @param options
* @returns {IOptions}
*/
private static stringArrayEncodingRule (options: IOptions): IOptions {
if (options.stringArrayEncoding === true) {
Object.assign(options, OptionsNormalizer.UNICODE_ARRAY_ENCODING_OPTIONS);
}
return options;
}
/**
* @param options
* @returns {IOptions}
*/
private static stringArrayThresholdRule (options: IOptions): IOptions {
if (options.stringArrayThreshold === 0) {
Object.assign(options, OptionsNormalizer.DISABLED_UNICODE_ARRAY_OPTIONS);
}
return options;
}
}