astro-obfuscator
Version:
This Astro integration brings obfuscator utilities to your Astro client project.
148 lines (147 loc) • 8.4 kB
JavaScript
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g = Object.create((typeof Iterator === "function" ? Iterator : Object).prototype);
return g.next = verb(0), g["throw"] = verb(1), g["return"] = verb(2), typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (g && (g = 0, op[0] && (_ = 0)), _) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
import fs from "fs/promises";
import JSObfuscator from "javascript-obfuscator";
import { extname, join } from "path";
import { fileURLToPath } from "url";
/**
* Astro integration to obfuscate JavaScript client files using javascript-obfuscator.
*
* @param opts - Options for the obfuscator and file exclusions.
* @property `opts.obfuscator` - Options for the javascript-obfuscator.
* @property `opts.excludes` - Array of regular expressions to exclude files from obfuscation.
* @property `opts.log` - Boolean whether to log the files being obfuscated.
* @returns An Astro integration object.
*/
export default function obfuscator(opts) {
var _this = this;
var obfuscatorOptions = __assign(__assign({}, JSObfuscator.getOptionsByPreset("low-obfuscation")), opts === null || opts === void 0 ? void 0 : opts.obfuscator);
var excludes = (opts === null || opts === void 0 ? void 0 : opts.excludes) || [];
function walk(dir_1) {
return __awaiter(this, arguments, void 0, function (dir, out) {
var entries, _i, entries_1, ent, p;
if (out === void 0) { out = []; }
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, fs.readdir(dir, { withFileTypes: true })];
case 1:
entries = _a.sent();
_i = 0, entries_1 = entries;
_a.label = 2;
case 2:
if (!(_i < entries_1.length)) return [3 /*break*/, 6];
ent = entries_1[_i];
p = join(dir, ent.name);
if (!ent.isDirectory()) return [3 /*break*/, 4];
return [4 /*yield*/, walk(p, out)];
case 3:
_a.sent();
return [3 /*break*/, 5];
case 4:
if (extname(ent.name) === ".js")
out.push(p);
_a.label = 5;
case 5:
_i++;
return [3 /*break*/, 2];
case 6: return [2 /*return*/, out];
}
});
});
}
return {
name: "astro-obfuscator",
hooks: {
"astro:build:done": function (_a) { return __awaiter(_this, [_a], void 0, function (_b) {
var root, files;
var _this = this;
var logger = _b.logger, dir = _b.dir;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
root = fileURLToPath(dir);
return [4 /*yield*/, walk(root)];
case 1:
files = _c.sent();
if (excludes.length > 0) {
files = files.filter(function (f) { return !excludes.some(function (re) { return re.test(f); }); });
}
return [4 /*yield*/, Promise.all(files.map(function (f) { return __awaiter(_this, void 0, void 0, function () {
var code, obf, originalSize, obfuscatedSize, sizeDiff;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, fs.readFile(f, "utf8")];
case 1:
code = _a.sent();
obf = JSObfuscator.obfuscate(code, obfuscatorOptions).getObfuscatedCode();
return [4 /*yield*/, fs.writeFile(f, obf)];
case 2:
_a.sent();
if (!(opts === null || opts === void 0 ? void 0 : opts.disableFilesLog)) {
originalSize = Buffer.byteLength(code, "utf8");
obfuscatedSize = Buffer.byteLength(obf, "utf8");
sizeDiff = ((obfuscatedSize - originalSize) / obfuscatedSize) * 100;
if (isNaN(sizeDiff) || !isFinite(sizeDiff)) {
sizeDiff = 0;
}
logger.info("\u001B[90m".concat(f.replace(root, ""), "\u001B[0m \u001B[1m\u001B[97m").concat(sizeDiff.toFixed(1), "%\u001B[0m"));
}
return [2 /*return*/];
}
});
}); }))];
case 2:
_c.sent();
logger.info("\u001B[32m\u2713 ".concat(files.length, " files obfuscated.\u001B[0m"));
return [2 /*return*/];
}
});
}); },
},
};
}