[keycloak-user] Authentication from embedded webpage

[Subhrajyoti Moitra]

Thanks a million Marek for setting us in the right direction.

"...application is able to access the javascript state from embedded IE"-
this is not possible currently, hence 1st solution wont work.

We will follow the 2nd way to do this.

So using "direct access grant
<http://keycloak.github.io/docs/userguide/keycloak-server/html/direct-access-grants.html>"
i get the required JSON token data as mentioned.
Then I pass this data to the jsp page (embedded in IE), using URL params.
The JSP page pulls out the required data from the URL params, and then
inits keycloak.js.
in keycloak init function i pass the token, idToken and refreshToken values.

Hopefully this works, trying it now!

Thanks a lot again for the pointers.

Subhro.

On Thu, Apr 7, 2016 at 2:33 AM, Marek Posolda <mposolda at redhat.com> wrote:

> Do you have the "control" under the application? Is it possible to
> propagate security contexts from application to embedded IE or viceversa?
>
> In theory what can work is either:
> - You will skip step1 and don't popup username/password box. Instead you
> will just authenticate in step2 inside IE and then propagate the context (
> token ) to step1. This is possible just if application is able to access
> the javascript state from embedded IE.
>
> - If you can propagate just from desktop to IE, then in step1 you wwill
> configure your application to send the request for username/password
> authentication to Keycloak via direct access grant (instead of sending
> username+password directly to AD/LDAP). Once you receive token from direct
> access grant, you can use it inside IE in step2 ( keycloak.js has
> possibility to be initialized with token. You just need to pass the token
> and refreshToken as arguments to keycloak.init . Then keycloak.js won't
> redirect you to login screen )
>
> Marek
>
>
> On 06/04/16 11:24, Subhrajyoti Moitra wrote:
>
> Hello Team,
>
> I have a standalone windows desktop application, that authenticates
> against an AD/LDAP server. The application popups a username/password box,
> and submits it to the LDAP for authentication.
> The same AD/LDAP server is also synced with a Keycloak installation.
>
> The windows application embeds the IE browser control and shows a jsp page.
> This jsp page is protected using keycloak js adapter. Obviously the user
> is re-directed to the keycloak login page. So the user has to login twice,
> once using the application popup and other in the embedded jsp, after
> getting redirected to the keycloak login page.
>
> I dont want to re-prompt the user for relogin, since he has already
> authenticated against the AD server.
> Is there a way to not re-prompt the user, when the embedded IE requests
> the secure JSP?
>
> Please help, as we are not able to come up with a solution for the same.
> Any pointers how we can avoid the 2nd authentication.
>
> Thanks,
> Subhro.
>
>
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