29175370578

Committed 10 Jul 2026 04:46PM UTC coverage: 95.994% (+0.02%) from 95.97%

Build # 29175370578

Build Type

push

github

Committed by

web-flow

Commit Message

Fixed directory obfuscation with a set `sourceMapFileName` making all files share and overwrite one `.map` (#1436)

Coverage Stats

2020 of 2214 branches covered (91.24%)

Branch coverage included in aggregate %.

9 of 9 new or added lines in 1 file covered. (100.0%)

1 existing line in 1 file now uncovered.

6127 of 6273 relevant lines covered (97.67%)

30262359.05 hits per line

Source File
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97.75

/src/cli/utils/ObfuscatedCodeFileUtils.ts

import * as fs from 'fs';
import * as path from 'path';

import { TInputCLIOptions } from '../../types/options/TInputCLIOptions';

import { StringSeparator } from '../../enums/StringSeparator';

import { JavaScriptObfuscatorCLI } from '../JavaScriptObfuscatorCLI';

export class ObfuscatedCodeFileUtils {
    /**
     * @type {string}
     */
    private readonly inputPath: string;

    /**
     * @type {TInputCLIOptions}
     */
    private readonly options: TInputCLIOptions;

    /**
     * @param {string} inputPath
     * @param {TInputCLIOptions} options
     */
    public constructor(inputPath: string, options: TInputCLIOptions) {
        this.inputPath = path.normalize(inputPath);
        this.options = options;
    }

    /**
     * @param {string} filePath
     * @returns {string}
     */
    public getOutputCodePath(filePath: string): string {
        const normalizedFilePath: string = path.normalize(filePath);
        const normalizedRawOutputPath: string | null = this.options.output ? path.normalize(this.options.output) : null;

        if (!normalizedRawOutputPath) {
            return normalizedFilePath
                .split(StringSeparator.Dot)
                .map((value: string, index: number) => {
                    return index === 0 ? `${value}${JavaScriptObfuscatorCLI.obfuscatedFilePrefix}` : value;
                })
                .join(StringSeparator.Dot);
        }

        const rawInputPathStats: fs.Stats = fs.lstatSync(this.inputPath);
        const outputPathExtName: string = path.extname(normalizedRawOutputPath);

        const isDirectoryRawInputPath: boolean = rawInputPathStats.isDirectory();
        const isDirectoryRawOutputPath: boolean =
            !JavaScriptObfuscatorCLI.availableInputExtensions.includes(outputPathExtName);

        if (isDirectoryRawInputPath) {
            if (isDirectoryRawOutputPath) {
                const parsedNormalizedFilePath: path.ParsedPath = path.parse(normalizedFilePath);

                // Make ending with "/" consistent
                if (!parsedNormalizedFilePath.dir.endsWith('/') && this.inputPath.endsWith('/')) {
                    parsedNormalizedFilePath.dir += '/';
                }

                const baseOutputPath: string = path.join(
                    parsedNormalizedFilePath.dir.replace(this.inputPath, ''),
                    parsedNormalizedFilePath.base
                );

                return path.join(normalizedRawOutputPath, baseOutputPath);
            } else {
                throw new Error('Output path for directory obfuscation should be a directory path');
            }
        } else {
            if (isDirectoryRawOutputPath) {
                return path.join(normalizedRawOutputPath, path.basename(filePath));
            } else {
                return normalizedRawOutputPath;
            }
        }
    }

    /**
     * @param {string} outputCodePath
     * @param {string} sourceMapFileName
     * @returns {string}
     */
    public getOutputSourceMapPath(outputCodePath: string, sourceMapFileName: string = ''): string {
        if (!outputCodePath) {
            throw new Error('Output code path is empty');
        }

        sourceMapFileName = this.getUniqueSourceMapFileName(outputCodePath, sourceMapFileName);

        let normalizedOutputCodePath: string = path.normalize(outputCodePath);
        let parsedOutputCodePath: path.ParsedPath = path.parse(normalizedOutputCodePath);

        if (!parsedOutputCodePath.ext && !sourceMapFileName) {
            throw new Error('Source map file name should be set when output code path is a directory path');
        }

        if (sourceMapFileName) {
            const indexOfLastSeparator: number = normalizedOutputCodePath.lastIndexOf(path.sep);
            let sourceMapPath: string;

            if (parsedOutputCodePath.ext) {
                // File path with directory, like: `foo/bar.js`, or without, like: `bar.js`
                const isFilePathWithDirectory: boolean = indexOfLastSeparator > 0;

                sourceMapPath = isFilePathWithDirectory ? normalizedOutputCodePath.slice(0, indexOfLastSeparator) : '';
            } else {
                sourceMapPath = normalizedOutputCodePath;
            }

            // remove possible drive letter for win32 environment
            const normalizedSourceMapFilePath: string = sourceMapFileName.replace(/^[a-zA-Z]:\\*/, '');

            normalizedOutputCodePath = path.join(sourceMapPath, normalizedSourceMapFilePath);
        }

        if (!/\.js\.map$/.test(normalizedOutputCodePath)) {
            parsedOutputCodePath = path.parse(normalizedOutputCodePath);
            const outputCodePathWithoutExtension: string = path.join(
                parsedOutputCodePath.dir,
                parsedOutputCodePath.name
            );

            normalizedOutputCodePath = `${outputCodePathWithoutExtension}.js.map`;
        } else if (/\.js$/.test(normalizedOutputCodePath)) {
            normalizedOutputCodePath += '.map';
        }

        return normalizedOutputCodePath;
    }

    /**
     * @param {string} outputPath
     * @param {string} data
     */
    public writeFile(outputPath: string, data: string): void {
        fs.mkdirSync(path.dirname(outputPath), { recursive: true });

        fs.writeFileSync(outputPath, data, {
            encoding: JavaScriptObfuscatorCLI.encoding
        });
    }

    /**
     * For directory obfuscation a single `sourceMapFileName` would be shared by every file and the
     * source maps would overwrite each other, so it is prefixed with the output code file name to
     * keep each source map unique.
     * https://github.com/javascript-obfuscator/javascript-obfuscator/issues/817
     *
     * @param {string} outputCodePath
     * @param {string} sourceMapFileName
     * @returns {string}
     */
    private getUniqueSourceMapFileName(outputCodePath: string, sourceMapFileName: string): string {
        if (!sourceMapFileName || !this.isDirectoryInputPath()) {
            return sourceMapFileName;
        }

        const outputCodeName: string = path.parse(outputCodePath).name;
        const parsedSourceMapFileName: path.ParsedPath = path.parse(sourceMapFileName);

        // keep any leading directory part of `sourceMapFileName`, prefix only its file name
        return path.join(parsedSourceMapFileName.dir, `${outputCodeName}-${parsedSourceMapFileName.base}`);
    }

    /**
     * @returns {boolean}
     */
    private isDirectoryInputPath(): boolean {
        try {
            return fs.lstatSync(this.inputPath).isDirectory();
        } catch {
            return false;
        }
    }
}

1	import * as fs from 'fs';	6✔
2	import * as path from 'path';	6✔
3
4	import { TInputCLIOptions } from '../../types/options/TInputCLIOptions';
5
6	import { StringSeparator } from '../../enums/StringSeparator';	6✔
7
8	import { JavaScriptObfuscatorCLI } from '../JavaScriptObfuscatorCLI';	6✔
9
10	export class ObfuscatedCodeFileUtils {	6✔
11	/**
12	* @type {string}
13	*/
14	private readonly inputPath: string;
15
16	/**
17	* @type {TInputCLIOptions}
18	*/
19	private readonly options: TInputCLIOptions;
20
21	/**
22	* @param {string} inputPath
23	* @param {TInputCLIOptions} options
24	*/
25	public constructor(inputPath: string, options: TInputCLIOptions) {
26	this.inputPath = path.normalize(inputPath);	378✔
27	this.options = options;	378✔
28	}
29
30	/**
31	* @param {string} filePath
32	* @returns {string}
33	*/
34	public getOutputCodePath(filePath: string): string {
35	const normalizedFilePath: string = path.normalize(filePath);	258✔
36	const normalizedRawOutputPath: string \| null = this.options.output ? path.normalize(this.options.output) : null;	258✔
37
38	if (!normalizedRawOutputPath) {	258✔
39	return normalizedFilePath	72✔
40	.split(StringSeparator.Dot)
41	.map((value: string, index: number) => {
42	return index === 0 ? `${value}${JavaScriptObfuscatorCLI.obfuscatedFilePrefix}` : value;	144✔
43	})
44	.join(StringSeparator.Dot);
45	}
46
47	const rawInputPathStats: fs.Stats = fs.lstatSync(this.inputPath);	186✔
48	const outputPathExtName: string = path.extname(normalizedRawOutputPath);	186✔
49
50	const isDirectoryRawInputPath: boolean = rawInputPathStats.isDirectory();	186✔
51	const isDirectoryRawOutputPath: boolean =
52	!JavaScriptObfuscatorCLI.availableInputExtensions.includes(outputPathExtName);	186✔
53
54	if (isDirectoryRawInputPath) {	186✔
55	if (isDirectoryRawOutputPath) {	66✔
56	const parsedNormalizedFilePath: path.ParsedPath = path.parse(normalizedFilePath);	60✔
57
58	// Make ending with "/" consistent
59	if (!parsedNormalizedFilePath.dir.endsWith('/') && this.inputPath.endsWith('/')) {	60✔
60	parsedNormalizedFilePath.dir += '/';	12✔
61	}
62
63	const baseOutputPath: string = path.join(	60✔
64	parsedNormalizedFilePath.dir.replace(this.inputPath, ''),
65	parsedNormalizedFilePath.base
66	);
67
68	return path.join(normalizedRawOutputPath, baseOutputPath);	60✔
69	} else {
70	throw new Error('Output path for directory obfuscation should be a directory path');	6✔
71	}
72	} else {
73	if (isDirectoryRawOutputPath) {	120✔
74	return path.join(normalizedRawOutputPath, path.basename(filePath));	6✔
75	} else {
76	return normalizedRawOutputPath;	114✔
77	}
78	}
79	}
80
81	/**
82	* @param {string} outputCodePath
83	* @param {string} sourceMapFileName
84	* @returns {string}
85	*/
86	public getOutputSourceMapPath(outputCodePath: string, sourceMapFileName: string = ''): string {	24✔
87	if (!outputCodePath) {	174✔
88	throw new Error('Output code path is empty');	6✔
89	}
90
91	sourceMapFileName = this.getUniqueSourceMapFileName(outputCodePath, sourceMapFileName);	168✔
92
93	let normalizedOutputCodePath: string = path.normalize(outputCodePath);	168✔
94	let parsedOutputCodePath: path.ParsedPath = path.parse(normalizedOutputCodePath);	168✔
95
96	if (!parsedOutputCodePath.ext && !sourceMapFileName) {	168✔
97	throw new Error('Source map file name should be set when output code path is a directory path');	6✔
98	}
99
100	if (sourceMapFileName) {	162✔
101	const indexOfLastSeparator: number = normalizedOutputCodePath.lastIndexOf(path.sep);	90✔
102	let sourceMapPath: string;
103
104	if (parsedOutputCodePath.ext) {	90✔
105	// File path with directory, like: `foo/bar.js`, or without, like: `bar.js`
106	const isFilePathWithDirectory: boolean = indexOfLastSeparator > 0;	72✔
107
108	sourceMapPath = isFilePathWithDirectory ? normalizedOutputCodePath.slice(0, indexOfLastSeparator) : '';	72✔
109	} else {
110	sourceMapPath = normalizedOutputCodePath;	18✔
111	}
112
113	// remove possible drive letter for win32 environment
114	const normalizedSourceMapFilePath: string = sourceMapFileName.replace(/^[a-zA-Z]:\\*/, '');	90✔
115
116	normalizedOutputCodePath = path.join(sourceMapPath, normalizedSourceMapFilePath);	90✔
117	}
118
119	if (!/\.js\.map$/.test(normalizedOutputCodePath)) {	162✔
120	parsedOutputCodePath = path.parse(normalizedOutputCodePath);	126✔
121	const outputCodePathWithoutExtension: string = path.join(	126✔
122	parsedOutputCodePath.dir,
123	parsedOutputCodePath.name
124	);
125
126	normalizedOutputCodePath = `${outputCodePathWithoutExtension}.js.map`;	126✔
127	} else if (/\.js$/.test(normalizedOutputCodePath)) {	36!
UNCOV 128	normalizedOutputCodePath += '.map';	×
129	}
130
131	return normalizedOutputCodePath;	162✔
132	}
133
134	/**
135	* @param {string} outputPath
136	* @param {string} data
137	*/
138	public writeFile(outputPath: string, data: string): void {
139	fs.mkdirSync(path.dirname(outputPath), { recursive: true });	222✔
140
141	fs.writeFileSync(outputPath, data, {	222✔
142	encoding: JavaScriptObfuscatorCLI.encoding
143	});
144	}
145
146	/**
147	* For directory obfuscation a single `sourceMapFileName` would be shared by every file and the
148	* source maps would overwrite each other, so it is prefixed with the output code file name to
149	* keep each source map unique.
150	* https://github.com/javascript-obfuscator/javascript-obfuscator/issues/817
151	*
152	* @param {string} outputCodePath
153	* @param {string} sourceMapFileName
154	* @returns {string}
155	*/
156	private getUniqueSourceMapFileName(outputCodePath: string, sourceMapFileName: string): string {
157	if (!sourceMapFileName \|\| !this.isDirectoryInputPath()) {	168✔
158	return sourceMapFileName;	156✔
159	}
160
161	const outputCodeName: string = path.parse(outputCodePath).name;	12✔
162	const parsedSourceMapFileName: path.ParsedPath = path.parse(sourceMapFileName);	12✔
163
164	// keep any leading directory part of `sourceMapFileName`, prefix only its file name
165	return path.join(parsedSourceMapFileName.dir, `${outputCodeName}-${parsedSourceMapFileName.base}`);	12✔
166	}
167
168	/**
169	* @returns {boolean}
170	*/
171	private isDirectoryInputPath(): boolean {
172	try {	90✔
173	return fs.lstatSync(this.inputPath).isDirectory();	90✔
174	} catch {
175	return false;	72✔
176	}
177	}
178	}

javascript-obfuscator / javascript-obfuscator / 29175370578

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