Seeking guidance on comprehending the concept of refresh tokens, their appropriate storage location, and the information to include within them

I'm struggling to grasp the concept of refresh tokens. Should I generate them in the same way as access tokens using the 'jsonwebtoken' package? Or is there a different package for creating refresh tokens? Additionally, should I store the same information in the refresh token as I do in my access token? And where should I store my refresh token - in the same location as my access token?

I've scoured the internet for answers, but most tutorials focus on access tokens or extol the security of JWT without delving into refresh tokens. Just to clarify, I am using Express framework.

Answer №1

A refresh token operates in the same manner as an access token, utilizing identical technologies.
Refresh tokens serve as a specialized form of token utilized to procure a renewed access token; these tokens do not have an expiration date.

-Refresh token facilitates communication with the Authorization server
-Access token enables communication with the Resource server

Refer to this diagram for a better understanding of the process: https://i.sstatic.net/0mKP4.png

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