Why does OAuth v2 have both access and refresh tokens?

Why does OAuth v2 have both access and refresh tokens?

This simplifies access token validation and makes it easier to scale and support multiple authorization servers. There is a window of time when an access token is valid, but authorization is revoked.

What is the purpose of OAuth refresh token?

To solve this problem, OAuth 2.0 introduced an artifact called a refresh token. A refresh token allows an application to obtain a new access token without prompting the user.

How do refresh tokens work OAuth?

The presence of the refresh token means that the access token will expire and you’ll be able to get a new one without the user’s interaction. The “expires” value is the number of seconds that the access token will be valid.

How can I get my OAuth refresh token back?

UPDATE: I found the answer in here 😀 you can get back the refresh token by a request https://developers.google.com/identity/protocols/OAuth2WebServer The token can be an access token or a refresh token. If the token is an access token and it has a corresponding refresh token, the refresh token will also be revoked.

How is a refresh token different from an access token?

Further, a refresh token, is presented only to an authorization server to get new access token, whereas an access token is presented to resource server by the client to gain access to protected resource (s). Thanks for contributing an answer to Stack Overflow!

Why do we need a token in OAuth?

Generally, tokens can either be random identifiers pointing to the specific record in the Server’s database, or they can contain all information in themselves (certainly, this information have to be signed, with MAC, for example). The server allows the Client to get access to User’s data within a pre-defined set of scopes by issuing a token.

What happens when you use an expired access token?

If the user uses an expired access token, the session is considered inactive and a new access token is required. Whether this token can be obtained with a refresh token or a new authentication round is required is defined by the requirements of the development team.