Assuming that the authentication process is handing you off the actual
access token, it makes sense that it can't be exchanged. I don't think
the token will expire on you though, at least today, so you don't
really need any more verification other than maybe running account/
verify_credentials against it.

It should be no different than if you persisted the access token
yourself and went to call the API a few weeks after doing so, you
should be able to trust that your token won't expire.

On Apr 16, 10:46 pm, djMax <[email protected]> wrote:
> Ok, I've dug into some basics of OAuth and also the code of Tweet#.
> After authorization, I'm armed with my user record and a map of it to
> an OAuth token (A) and secret (T1).  Now, weeks later, the user
> returns to my site with no cookies (let's say).  So I show them the
> Twitter signin button.  They click it.  My server calls RequestToken
> from Twitter and gets a token (and a secret?).  It sends them to
> Twitter, they login, and then Twitter redirects to me with a OAuth
> Token (A) on the URL.
>
> That's where I'm confused:what do I do next?  If I try to turn that
> OAuth Token into an access token, it fails, assumedly because it
> already is an auth token.  But I must have to contact Twitter somehow
> to verify that the oauth token the browser passed me is still good
> right?

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