├── README.md
├── index.html
├── lua-ast-printer.js
├── lua-string-decode.bundle.js
├── lua-string-decode.js
├── package-lock.json
├── package.json
└── webpack.config.js


/README.md:
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1 | # LuaStringEncryptor
2 | Encrypt Your GameGuardian Scripts
3 | 


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/index.html:
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 1 | <script src="lua-string-decode.bundle.js"></script>
 2 | <input type="file" id="file-input">
 3 | <script>
 4 |     /** @link https://stackoverflow.com/questions/13405129/javascript-create-and-save-file/30832210#30832210 */
 5 |     function download(data, filename) {
 6 |         var file = new Blob([data]);
 7 |         if (window.navigator.msSaveOrOpenBlob) {// IE10+
 8 |             window.navigator.msSaveOrOpenBlob(file, filename);
 9 |         } else { // Others
10 |             var a = document.createElement("a"),
11 |                 url = URL.createObjectURL(file);
12 |             a.href = url;
13 |             a.download = filename;
14 |             document.body.appendChild(a);
15 |             a.click();
16 |             setTimeout(function () {
17 |                 document.body.removeChild(a);
18 |                 window.URL.revokeObjectURL(url);
19 |                 <button>Encrypt</button>
20 |             }, 0);
21 |         }
22 |     }
23 | 
24 |     /** @link https://stackoverflow.com/questions/3582671/how-to-open-a-local-disk-file-with-javascript/26298948#26298948 */
25 |     function readSingleFile(e) {
26 |         var file = e.target.files[0];
27 |         if (!file) {
28 |             return;
29 |         }
30 |         var reader = new FileReader();
31 |         reader.onload = function (e) {
32 |             var contents = e.target.result;
33 |             download(LuaStringDecode.decode(contents), file.name + '.decoded.lua')
34 |         };
35 |         reader.readAsText(file);
36 |     }
37 | 
38 |     document.getElementById('file-input').addEventListener('change', readSingleFile, false);
39 |     
40 | </script>
41 | 


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/lua-ast-printer.js:
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 1 | 'use strict';
 2 | const comments_1 = require('../node_modules/lua-fmt/dist/src/comments');
 3 | const printer_1 = require('../node_modules/lua-fmt/dist/src/printer');
 4 | const docPrinter_1 = require('../node_modules/lua-fmt/dist/src/docPrinter');
 5 | const options_1 = require('../node_modules/lua-fmt/dist/src/options');
 6 | 
 7 | exports.luaParseDefaultOptions = {
 8 |     locations: true,
 9 |     ranges: true
10 | };
11 | 
12 | function formatAst(ast, userOptions) {
13 |     const options = Object.assign({}, options_1.defaultOptions, userOptions);
14 |     comments_1.injectShebang(ast, options);
15 |     comments_1.attachComments(ast, options);
16 |     const doc = printer_1.buildDocFromAst(ast, options);
17 |     return docPrinter_1.printDocToString(doc, options);
18 | }
19 | 
20 | exports.formatAst = formatAst;
21 | 


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/lua-string-decode.bundle.js:
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--------------------------------------------------------------------------------
/lua-string-decode.js:
--------------------------------------------------------------------------------
 1 | const luaparse = require('luaparse');
 2 | const utf8 = require('utf8');
 3 | const LuaAstPrinter = require('./lua-ast-printer');
 4 | 
 5 | (function () {
 6 |     function escapeLuaString(value) {
 7 |         value = value.replace(/\\/g, '\\\\')
 8 |             .replace(/\x07/g, '\\a')
 9 |             .replace(/\x08/g, '\\b')
10 |             .replace(/\f/g, '\\f')
11 |             .replace(/\n/g, '\\n')
12 |             .replace(/\r/g, '\\r')
13 |             .replace(/\x0B/g, '\\v');
14 |         if (value.indexOf('\'') < 0) {
15 |             return '\'' + value + '\'';
16 |         } else if (value.indexOf('"') < 0) {
17 |             return '"' + value + '"';
18 |         } else {
19 |             return '\'' + value.replace(/'/g, '\\\'') + '\'';
20 |         }
21 |     }
22 | 
23 |     let original = luaparse.ast.literal;
24 |     luaparse.ast.literal = function () {
25 |         let node = original.apply(null, arguments);
26 |         if (node.type === 'StringLiteral') {
27 |             try {
28 |                 node.value = utf8.decode(node.value);
29 |                 node.raw = escapeLuaString(node.value);
30 |             } catch (e) {
31 |                 console.log(node);
32 |                 console.log(e);
33 |             }
34 |         }
35 |         return node;
36 |     };
37 | })();
38 | 
39 | function decode(code) {
40 |     let ast = luaparse.parse(code, LuaAstPrinter.luaParseDefaultOptions);
41 |     return LuaAstPrinter.formatAst(ast);
42 | }
43 | 
44 | exports.decode = decode;
45 | 


--------------------------------------------------------------------------------
/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "lua-decode",
 3 |   "version": "1.0.0",
 4 |   "description": "decode lua byte string into utf-8 encoding string",
 5 |   "main": "main.js",
 6 |   "repository": "https://github.com/ganlvtech/lua-string-decode",
 7 |   "scripts": {
 8 |     "test": "echo \"Error: no test specified\" && exit 1",
 9 |     "build": "webpack"
10 |   },
11 |   "author": "Ganlv",
12 |   "license": "MIT",
13 |   "dependencies": {
14 |     "lua-fmt": "^2.6.0",
15 |     "luaparse": "git://github.com/oxyc/luaparse.git#ea86e09bf64358b34aae987b5999b6ff5d64a487",
16 |     "utf8": "^3.0.0"
17 |   },
18 |   "devDependencies": {
19 |     "webpack": "^4.5.0",
20 |     "webpack-cli": "^2.0.14"
21 |   }
22 | }
23 | 


--------------------------------------------------------------------------------
/webpack.config.js:
--------------------------------------------------------------------------------
1 | module.exports = {
2 |     entry: './src/lua-string-decode.js',
3 |     mode: 'production',
4 |     output: {
5 |         filename: 'lua-string-decode.bundle.js',
6 |         library: 'LuaStringDecode'
7 |     }
8 | };
9 | 


--------------------------------------------------------------------------------