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test: add tests ensuring worker threads cannot access internals

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Refs: https://github.com/nodejs/node/pull/57804#discussion_r2079257457
Refs: https://github.com/nodejs/node/pull/57804#issuecomment-2863740780
PR-URL: https://github.com/nodejs/node/pull/58332
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Dario Piotrowicz <dario.piotrowicz@gmail.com>
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Joe 2025-05-26 23:18:34 +01:00 committed by GitHub
parent 6f045771fa
commit e7255b6bab
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36
test/parallel/test-worker-internal-modules.mjs Normal file
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import '../common/index.mjs';
import tmpdir from '../common/tmpdir.js';
import assert from 'node:assert/strict';
import { once } from 'node:events';
import fs from 'node:fs/promises';
import { describe, test, before } from 'node:test';
import { Worker } from 'node:worker_threads';
const accessInternalsSource = `
import 'node:internal/freelist';
`;
function convertScriptSourceToDataUrl(script) {
return new URL(`data:text/javascript,${encodeURIComponent(script)}`);
}
describe('Worker threads should not be able to access internal modules', () => {
before(() => tmpdir.refresh());
test('worker instantiated with module file path', async () => {
const moduleFilepath = tmpdir.resolve('test-worker-internal-modules.mjs');
await fs.writeFile(moduleFilepath, accessInternalsSource);
const w = new Worker(moduleFilepath);
await assert.rejects(once(w, 'exit'), { code: 'ERR_UNKNOWN_BUILTIN_MODULE' });
});
test('worker instantiated with module source', async () => {
const w = new Worker(accessInternalsSource, { eval: true });
await assert.rejects(once(w, 'exit'), { code: 'ERR_UNKNOWN_BUILTIN_MODULE' });
});
test('worker instantiated with data: URL', async () => {
const w = new Worker(convertScriptSourceToDataUrl(accessInternalsSource));
await assert.rejects(once(w, 'exit'), { code: 'ERR_UNKNOWN_BUILTIN_MODULE' });
});
});