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I'd like to execute an untrusted js code using runInNewContext in node.js but as far as I see there is no way to limit its execution time. Also it is a sync operation. is there a way to set timeout on it or async version of it that will allow me to control its execution from 'outside'?
UPDATE: running in an external process is no good:
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The setTimeout function is found in the Timers module of Node. js.
To summarize, Node. js is a cross-platform JavaScript runtime environment for servers and applications. It is built on a single-threaded, non-blocking event loop, the Google Chrome V8 JavaScript engine, and a low-level I/O API. Various techniques, including the cluster module, allow Node.
VM is a simple sandbox to synchronously run untrusted code without the require feature. Only JavaScript built-in objects and Node's Buffer are available. Scheduling functions ( setInterval , setTimeout and setImmediate ) are not available by default.
Run script in external process using dnode or child_process.fork, set deadline timer and kill process if timeout reached or timer if script finished.
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