mirror of https://gitee.com/openkylin/nodejs.git
38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const fs = require('fs').promises;
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const { MessageChannel } = require('worker_threads');
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const { once } = require('events');
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// Test that overriding the internal kTransfer method of a JSTransferable does
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// not enable loading arbitrary code from the disk.
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module.exports = {
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NotARealClass: common.mustNotCall()
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};
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(async function() {
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const fh = await fs.open(__filename);
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assert.strictEqual(fh.constructor.name, 'FileHandle');
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const kTransfer = Object.getOwnPropertySymbols(Object.getPrototypeOf(fh))
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.filter((symbol) => symbol.description === 'messaging_transfer_symbol')[0];
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assert.strictEqual(typeof kTransfer, 'symbol');
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fh[kTransfer] = () => {
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return {
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data: '✨',
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deserializeInfo: `${__filename}:NotARealClass`
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};
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};
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const { port1, port2 } = new MessageChannel();
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port1.postMessage(fh, [ fh ]);
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port2.on('message', common.mustNotCall());
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const [ exception ] = await once(port2, 'messageerror');
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assert.match(exception.message, /Missing internal module/);
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port2.close();
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})().then(common.mustCall());
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