Such an application runs on the server, which we consider a somewhat trusted and secure environment. … That’s why a separate specification allows native applications to use an Authorization Code flow with PKCE to obtain a refresh tokens. Again, the application is responsible for storing these tokens securely.
What is the purpose of a refresh token?
A refresh token is a special token that is used to obtain additional access tokens. This allows you to have short-lived access tokens without having to collect credentials every time one expires.
What is the point of JWT refresh token?
Refresh token: The refresh token is used to generate a new access token. Typically, if the access token has an expiration date, once it expires, the user would have to authenticate again to obtain an access token.
When should I use refresh token?
Refresh tokens are issued to the client by the authorization server and are used to obtain a new access token when the current access token becomes invalid or expires, or to obtain additional access tokens with identical or narrower scope.
Should I store refresh token?
Access token and refresh token shouldn’t be stored in the local/session storage, because they are not a place for any sensitive data. Hence I would store the access token in a httpOnly cookie (even though there is CSRF) and I need it for most of my requests to the Resource Server anyway.
Will refresh token expire?
Refresh tokens are used to get a new access token when your current access token expires. … Day 360- If you generate a new access token, your access token and refresh token will both expire in 5 days (365-360=5) and you must get your application reauthorized by the member using the authorization flow.
How long is refresh token valid?
The Refresh token has a sliding window that is valid for 14 days and refresh token’s validity is for 90 days.
Should a refresh token be a JWT?
js of JWT with refresh token: In this case they use a uid and it’s not a JWT. When they refresh the token they send the refresh token and the user. If you implement it as a JWT, you don’t need to send the user, because it be would inside the JWT.
What is difference between access token and refresh?
Refresh Token are typically longer lived than Access Tokens and used to request a new Access Token without forcing user authentication. Unlike Access Tokens, Refresh Tokens are only used with the Authorization Server and are never sent to a web service.
What is silent refresh?
Silent refresh is a mechanism to generate new access token from refresh token automatically in the event of browser refresh or when access token is expired but refresh token is available and valid.
What if refresh token is stolen?
If the refresh token can be stolen, then so can the access token. With such an access token, the attacker can start making API calls. To make matters even more complicated, access tokens are often self-contained JWT tokens. Such tokens contain all the information needed for the API to make security decisions.
Store your access token in memory, and store the refresh token in the cookie: Link to this section. Why is this safe from CSRF? Yes, a form submit to /refresh_token would work and a new access token will be returned, but the attacker can’t read the response if they’re using an HTML form.
If you have any XSS vulnerabilities in your app, you will be susceptible to token theft no matter where you store them. At the end of the day, keeping your JWT in a cookie can carry the same dangers as storing them in local storage.