[keycloak-dev] Login with Access Token

Wed Dec 3 06:30:03 EST 2014

The callback to Keycloak expects a code, not a token, so I don't think it would work unless you modify Keycloak's Facebook provider. I can't think of any other reasons why it wouldn't work.

----- Original Message -----
> From: "Christian Beikov" <christian.beikov at gmail.com>
> To: "Stian Thorgersen" <stian at redhat.com>
> Cc: keycloak-dev at lists.jboss.org
> Sent: Wednesday, 3 December, 2014 11:04:05 AM
> Subject: Re: [keycloak-dev] Login with Access Token
> 
> I was thinking of something like the following as a workaround
> 
> 1. Create a hidden iframe in a webview that navigates to the login page of
> the keycloak server.
> 2. Extract the state from the link of the Facebook login
> 3. Start the login with the native SDK
> 4. On success navigate in the iframe to the social callback
> 5. Use some keycloak token to act as the logged in user
> 
> Regarding 4. I am not sure what URL I should invoke exactly. I guess I have
> to append the state parameter to it, but I couldn't find out exactly and I
> haven't debugged that far yet.
> Regarding 5. I don't know how to retrieve that keycloak token from the
> iframe, but I hope there is a way.
> 
> For this to work I will probably have to add some CORS http headers that
> will allow localhost so that the app can access the iframe. Although this
> makes it vulnerable, since every localhost app could then "steal" the
> keycloak token, it would do the job for now.
> 
> What do you think? Could that work?
> 
> 2014-12-03 9:43 GMT+01:00 Stian Thorgersen <stian at redhat.com>:
> 
> > Keycloak generates a special state parameter. It consists of two parts, a
> > signature and an id. The id is used to lookup a session in Keycloak, while
> > the signature is then used to verify that specific request is valid (a
> > session can only be used for one thing at a time, for example a social
> > login). By design there's no way you can generate this yourself unless you
> > have access to the Keycloak database.
> >
> > ----- Original Message -----
> > > From: "Christian Beikov" <christian.beikov at gmail.com>
> > > To: "Stian Thorgersen" <stian at redhat.com>, keycloak-dev at lists.jboss.org
> > > Sent: Wednesday, 3 December, 2014 9:33:20 AM
> > > Subject: Re: [keycloak-dev] Login with Access Token
> > >
> > > I am wondering how you do that. I know that there is a state parameter
> > that
> > > is added to the facebook login url, but I could just make an initial
> > > request to keycloak to copy that, or did I understand something wrong?
> > >
> > > 2014-12-03 9:22 GMT+01:00 Stian Thorgersen <stian at redhat.com>:
> > >
> > > > It's code that is currently changing as we're working on adding
> > enterprise
> > > > IdP's as well as social IdP's we have at the moment.
> > > >
> > > > I think the correct approach would be to use the direct grant api,
> > which
> > > > currently lets you exchange a username + password for a Keycloak
> > token, we
> > > > could add an option here to pass in a token from an external IdP to
> > > > exchange for a internal Keycloak token. If you're interested in
> > looking at
> > > > the code look at OpenIDConnectService.grantAccessToken.
> > > >
> > > > There's no work-around that you can do due to security restrictions in
> > > > Keycloak. Keycloak makes sure that the callback can only be called if
> > it
> > > > indeed made the original request.
> > > >
> > > > ----- Original Message -----
> > > > > From: "Christian Beikov" <christian.beikov at gmail.com>
> > > > > To: "Stian Thorgersen" <stian at redhat.com>
> > > > > Sent: Wednesday, 3 December, 2014 9:11:55 AM
> > > > > Subject: Re: [keycloak-dev] Login with Access Token
> > > > >
> > > > > Thanks for the quick answer. Could you maybe give me a hint on how I
> > > > could
> > > > > implement that in a quick-and-dirty way? Could I maybe do some iframe
> > > > magic
> > > > > in a hidden webview to do the login? I am not quite sure how the
> > social
> > > > > login works exactly. Facebook will redirect me back to the social
> > > > callback
> > > > > address after a login, but how does keycloak actually retrieve that
> > > > access
> > > > > token? If I knew that, I could maybe create a workaround for now and
> > > > maybe
> > > > > also contribute something? :)
> > > > >
> > > > > 2014-12-03 8:48 GMT+01:00 Stian Thorgersen <stian at redhat.com>:
> > > > >
> > > > > >
> > > > > >
> > > > > > ----- Original Message -----
> > > > > > > From: "Christian Beikov" <christian.beikov at gmail.com>
> > > > > > > To: keycloak-dev at lists.jboss.org
> > > > > > > Sent: Tuesday, 2 December, 2014 6:58:42 PM
> > > > > > > Subject: [keycloak-dev] Login with Access Token
> > > > > > >
> > > > > > > Hello!
> > > > > > >
> > > > > > > I am new to OAuth so sorry if my question is dumb.
> > > > > > > I have an App which wants to provide a custom and Facebook login.
> > > > Since
> > > > > > many
> > > > > > > people already have the Facebook App installed, I thought it
> > might be
> > > > > > better
> > > > > > > to give them the native experience and use the Facebook SDK to
> > > > implement
> > > > > > the
> > > > > > > login.
> > > > > > > The problem now is, that I have the Access Token from the
> > successful
> > > > > > Facebook
> > > > > > > login, but don't know how to properly login at the Keycloak
> > server
> > > > with
> > > > > > > that.
> > > > > > >
> > > > > > > Any ideas on how to do that? Or is that even stupid and is there
> > a
> > > > better
> > > > > > > way?
> > > > > >
> > > > > > Not at all a dumb question and we actually had someone else ask the
> > > > same
> > > > > > last week.
> > > > > >
> > > > > > Currently, Keycloak does not support this flow, but it something
> > we may
> > > > > > consider adding.
> > > > > >
> > > > > > > --
> > > > > > >
> > > > > > > Mit freundlichen Grüßen,
> > > > > > >
> > > > > > > Christian Beikov
> > > > > > >
> > > > > > > _______________________________________________
> > > > > > > keycloak-dev mailing list
> > > > > > > keycloak-dev at lists.jboss.org
> > > > > > > https://lists.jboss.org/mailman/listinfo/keycloak-dev
> > > > > >
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > >
> > > > > Mit freundlichen Grüßen,
> > > > >
> > > > >
> > > > > *Christian Beikov*Blazebit Design & Developing
> > > > > http://www.blazebit.com
> > > > >
> > > >
> > >
> > >
> > >
> > > --
> > >
> > > Mit freundlichen Grüßen,
> > >
> > >
> > > *Christian Beikov*Blazebit Design & Developing
> > > http://www.blazebit.com
> > >
> >
> 
> 
> 
> --
> 
> Mit freundlichen Grüßen,
> 
> 
> *Christian Beikov*Blazebit Design & Developing
> http://www.blazebit.com
> 