Thanks for the response. It's just not the behavior when using a spring
based oauth server.

On Mon, Sep 9, 2019 at 8:45 AM Andy Ng <[email protected]> wrote:

> Hi psv,
>
> This behavior you described is by OAuth 2 design, wasn't really CAS doing
> something weird.
>
> For your above step, after your client get the *access_token*, you are 
> *suppose
> to store it somewhere* (maybe in session or somewhere else), instead of
> throwing it away and getting a new access_token everytime.
>
> After you stored it, you can use the *stored access_token* and  call to  
> *OAuth
> user_info endpoint*, and get the user profile.
>
> So. then what is the "expires_in" stands for? It is stands for the *valid
> storing duration of each access_token*, after the duration, your
> access_token will be invalid, and need to call to */accessToken* to renew.
>
> Since this is OAuth behaivor, I highly doubt there are any setting to
> allow your described use case to come true.
>
> Actually, after you get a new acces_token, you can still use both the new
> and old one to get user profile. So I guess if you really don't want to
> store the access_token, just  get a new one everytime is still valid,
> although kind of resiource intensive...
>
> Hope this helps!
>
> Cheers!
> - Andy
>
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