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How does a refresh token work?
Refresh Tokens are credentials used to obtain access tokens. 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.
What is refresh token flow?
The Refresh Token Flow is not a separate authorization flow but more of an extension for Authorization Code Flow and Resource Owner Password Credentials Flow. After the application obtains an access token using Authorization Code Flow or Resource Owner Password Credentials Flow, it can make refresh requests to Space.
What is the purpose of refresh token?
The original purpose of refresh tokens is to obtain long-term access to an API on behalf of the user. In such long-term scenarios, the user is not always present. Hence, the refresh token allows an application to autonomously obtain a new access token from the security token service, without user intervention.
How do I manage my refresh token?
To use the refresh token, make a POST request to the service’s token endpoint with grant_type=refresh_token , and include the refresh token as well as the client credentials.
How long is a refresh token valid?
The refresh token does not expire and you can use it as many times as you want to request a new access token. You should still handle invalid refresh tokens in your code. The user can revoke your access via there Google account.
Where do I put the 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.
Why do we need both access and refresh tokens?
The idea of refresh tokens is that if an access token is compromised, because it is short-lived, the attacker has a limited window in which to abuse it. Refresh tokens, if compromised, are useless because the attacker requires the client id and secret in addition to the refresh token in order to gain an access token.
Should we store refresh token?
6 Answers. If you worry about long-living Refresh Token. You can skip storing it and not use it at all. Just keep Access Token in memory and do silent sign-in when Access Token expires.
What’s the difference between access token and refresh token?
In other words, when a client passes an access token to a server managing a resource, that server can use the information contained in the token to decide whether the client is authorized or not. Access tokens usually have an expiration date and are short-lived. Refresh tokens carry the information necessary to get a new access token.
Where to store refresh tokens in mobile app?
Mobile applications do not require a client secret, but they should still be sure to store refresh tokens somewhere only the client application can access. With Auth0, you can get a refresh token when using the Authorization Code Flow (for regular web or native/mobile apps), the Device Flow, or the Resource Owner Password Grant.
Do you need a client secret for refresh tokens?
The client secret should be protected in a similar fashion. Mobile applications do not require a client secret, but they should still be sure to store refresh tokens somewhere only the client application can access.
How to check JWT and refresh tokens in API?
User makes an API request with expired JWT. API request is received, check the JWT and refresh token. BOOM JWT is expired, send unauthorized response to client (401). Received unauthorized response from the previous API request. Hit refresh endpoint of the API. Received the expired JWT checked it and refresh token is assigned to current user.