How do I authenticate with refresh token?
To use a refresh token to get a new Access Token, a client needs to make a request to the Access Token endpoint of the Authorization server. The request needs to include the following parameters: grant_type – this will be set to “refresh_token” refresh_token – a valid refresh token.
Why do I need refresh token?
So why does a web application need a refresh token? The main reason to use refresh tokens in web applications is to reduce the lifetime of an access token. When a web application obtains an access token with a lifetime of five to 10 minutes, that token will likely expire while the user is using the application.
What is the concept of refresh token?
That is, a refresh token is a credential artifact that lets a client application get new access tokens without having to ask the user to log in again. In the diagram above, SPA = Single-Page Application; AS = Authorization Server; RS = Resource Server; AT = Access Token; RT = Refresh Token.
What happens when a refresh token is leaked?
This means when a client gets a refresh token from a server, this token must be stored securely to keep it from being used by potential attackers. If a refresh token is leaked, it may be used to obtain new access tokens (and access protected resources) until it is either blacklisted or it expires (which may take a long time).
When do I need a refresh token for OAuth?
When his 3600 seconds on the access token is over, he requires a new one with the refresh token. We, on the server side, check his activity history and IP address, think he is a human and behaves himself. We grant him a new access token to continue using our service.
What are the benefits of refresh tokens in Java?
Refresh tokens improve security and allow for reduced latency and better access patterns to authorization servers. Implementations can be simple using tools such as JWT + JWS. If you are interested in learning more about tokens (and cookies), check our article here.
How to check the validity of a random refresh token?
Here we issue two keys: random refresh token with the corresponding record in the database, and signed self-contained access token, containing among others the expiration timestamp field. As the access token is self-contained, we don’t have to hit the database at all to check its validity.