Is there any way to validate or limit what file-type/ extensions could be uploaded before it actually gets uploaded?

I've tried using a couple of custom-hooks but they all just went through.

Hooks tried:

• files.create.before
• items.create.before

module.exports = function registerHook({ exceptions }) {
  const { InvalidPayloadException } = exceptions;
  return {
    "files.create.before": async function (input) {
      console.log(input);
      throw new InvalidPayloadException("title");
    },
  };
};