ZCode/scripts/desktop-agent-bytecode-runtime.cjs at main · DeepenKernel/ZCode · GitHub

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"use strict";

const v8 = require("node:v8");

const vm = require("node:vm");

const { createHash } = require("node:crypto");

const { readFile } = require("node:fs/promises");

const { basename, dirname, join } = require("node:path");

function configureBytecodeRuntime() {

// 字节码不带可重新编译的源码，必须完整编译并保留字节码；编译器和加载器共用这一处配置。

v8.setFlagsFromString("--no-lazy --no-flush-bytecode");

return {

electron: process.versions.electron ?? null,

node: process.versions.node,

v8: process.versions.v8,

platform: process.platform,

arch: process.arch,

cachedDataVersionTag: v8.cachedDataVersionTag(),

};

}

function bytecodeDigest(buffer) {

return createHash("sha256").update(buffer).digest("hex");

}

async function loadBytecode(metadata, targetModule, targetRequire) {

const runtime = configureBytecodeRuntime();

if (JSON.stringify(runtime) !== JSON.stringify(metadata.runtime)) {

throw new Error(

"字节码运行时不匹配，请用当前 Electron 重新运行 pnpm build:desktop-agent:bytecode",

);

}

const directory = dirname(targetModule.filename);

if (basename(metadata.bytecodeFile) !== metadata.bytecodeFile) {

throw new Error("无效的字节码文件名");

}

const cachedData = await readFile(join(directory, metadata.bytecodeFile));

if (bytecodeDigest(cachedData) !== metadata.bytecodeSha256) {

throw new Error("字节码摘要不匹配，请重新构建桌面 Agent");

}

// 使用 ASCII 空格而非双字节零宽字符。这里只消除明文源码，仍保留等长占位内存。

const source = " ".repeat(metadata.sourceLength);

const filename = join(directory, metadata.sourceFile);

const script = new vm.Script(source, {

cachedData,

filename,

// 动态 import 必须交回 Node，继续按原 bundle 的 URL 解析外置 ESM 与原生依赖。

importModuleDynamically: vm.constants.USE_MAIN_CONTEXT_DEFAULT_LOADER,

});

if (script.cachedDataRejected) {

throw new Error("V8 拒绝字节码缓存，请重新构建桌面 Agent");

}

const run = script.runInThisContext();

if (typeof run !== "function") throw new Error("字节码不是 CommonJS 模块");

run.call(

targetModule.exports,

targetRequire,

targetModule,

filename,

directory,

);

}

module.exports = { configureBytecodeRuntime, bytecodeDigest, loadBytecode };

ZCode/scripts/desktop-agent-bytecode-runtime.cjs at main · DeepenKernel/ZCode · GitHub

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