A refresh token can help you balance security with usability. Since refresh tokens are typically longer-lived, you can use them to request new access tokens after the shorter-lived access tokens expire.
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.
Why is refresh token more secure?
The reason for that is the sensitivity of this piece of information. You can think of it as user credentials, since a Refresh Token allows a user to remain authenticated essentially forever. Therefore you cannot have this information in a browser, it must be stored securely.
Why we use refresh token oauth2?
The Refresh Token grant type is used by clients to exchange a refresh token for an access token when the access token has expired. This allows clients to continue to have a valid access token without further interaction with the user.
Why we need access token and refresh token?
Modern secure applications often use access tokens to ensure a user has access to the appropriate resources, and these access tokens typically have a limited lifetime. … A refresh token allows an application to obtain a new access token without prompting the user.
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.
Is refresh token a JWT?
There are many types of token, although in authentication with JWT the most typical are access token and refresh token. Access token: It contains all the information the server needs to know if the user / device can access the resource you are requesting or not.
What is PKCE used for?
“PKCE (RFC 7636) is an extension to the Authorization Code flow to prevent several attacks and to be able to securely perform the OAuth exchange from public clients.” The OAuth 2.0 spec is the industry standard protocol for authorization and allows users to grant permission for apps to access their Dropbox data.
Can a refresh token be reused?
Refresh token reuse likely means that a second party is trying to use a stolen refresh token. In response to this reuse, the authorization server immediately revokes the reused refresh token, along with all descendant tokens.
Is refresh token optional?
Optional. Your application’s Client Secret. Only required for confidential applications. The response will include a new access token, its type, its lifetime (in seconds), and the granted scopes.
What is refresh token?
Once they expire, client applications can use a refresh token to “refresh” the access 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.
What is difference between JWT and oauth2?
So the real difference is that JWT is just a token format, OAuth 2.0 is a protocol (that may use a JWT as a token format or access token which is a bearer token.). OpenID connect mostly use JWT as a token format.
What is refresh token in API?
A refresh token is a special kind of token used to obtain a renewed access token. You can request new access tokens until the refresh token is on the DenyList. Applications must store refresh tokens securely because they essentially allow a user to remain authenticated forever.
What is the difference between token and refresh token?
The difference between a refresh token and an access token is the audience: the refresh token only goes back to the authorization server, the access token goes to the (RS) resource server. Also, just getting an access token doesn’t mean the user’s logged in.
How do I use token and 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 if required.
Why do we need access token?
Access tokens are the thing that applications use to make API requests on behalf of a user. The access token represents the authorization of a specific application to access specific parts of a user’s data. … Access tokens must be kept confidential in transit and in storage.