express-jwt – Make Me Engineer

ERR_HTTP_HEADERS_SENT: Cannot set headers after they are sent to the client

July 10, 2022 by Tarik

That particular error occurs whenever you try to send more than one response to the same request and is usually caused by improper asynchronous code. The code you show in your question does not appear like it would cause that error, but I do see code in a different route here that would cause that … Read more

If you can decode JWT, how are they secure?

May 6, 2022 by Tarik

JWTs can be either signed, encrypted or both. If a token is signed, but not encrypted, everyone can read its contents, but when you don’t know the private key, you can’t change it. Otherwise, the receiver will notice that the signature won’t match anymore. Answer to your comment: I’m not sure if I understand your … Read more