Hi, This is my auth-constraint definition in my web.xml

<security-constraint>

                           <web-resource-collection>

                                         <web-resource-name>keyconnect</web-resource-name>

                                         <url-pattern>/*</url-pattern>

                           </web-resource-collection>

                           <auth-constraint>

                                         <role-name>customer</role-name>

                           </auth-constraint>

                           <user-data-constraint>

                                         <transport-guarantee>CONFIDENTIAL</transport-guarantee>

                           </user-data-constraint>

              </security-constraint>

So, this is fine. Works well for me. I just want to after a successful login….retrieve the User who logged in.

Sent from Mail for Windows 10

From: Tero Ahonen
Sent: Friday, February 5, 2016 10:37 AM
To: PAA KOJO KONDUAH AMOS
Cc: Stian Thorgersen; keycloak-user@lists.jboss.org
Subject: Re: [keycloak-user] Retrieving Logged In User Information.

Hi,

Do u have auth-contraint in web.xml?

<auth-constraint>

<role-name>somerolehere</role-name>

</auth-constraint>

If there is not required role then no auth is needed.

.t

On 05 Feb 2016, at 12:29 PM, PAA KOJO KONDUAH AMOS <pkkamos@gmail.com> wrote:

Hello Stian, my reponse in blue below.

Did you actually add @SecurityDomain("keycloak")?

YES.

Does the request require authentication (does it have a security-constraint in web.xml)? 

YES; The request say http://ip:port/context/index.html will be routed to Keycloak for the rquester to login. On successful log-in the requester is redirected back to the index.html. It is at this point I want to retrieve or know who the User is.

Sent from Mail for Windows 10

From: Stian Thorgersen
Sent: Friday, February 5, 2016 9:53 AM
To: PAA KOJO KONDUAH AMOS
Cc: keycloak-user@lists.jboss.org
Subject: Re: [keycloak-user] Retrieving Logged In User Information.

Did you actually add @SecurityDomain("keycloak")?

Does the request require authentication (does it have a security-constraint in web.xml)? 

On 5 February 2016 at 10:41, PAA KOJO KONDUAH AMOS <pkkamos@gmail.com> wrote:

Hello, I am trying to retrieve information about the User logged into the webapp via keycloak. I have seen around information on using the following;

@SecurityDomain("keycloak")

@Context
SecurityContext sc;

And

KeycloakPrincipal principal = (KeycloakPrincipal) sc.getUserPrincipal();
 
 
 

But the above line is returning a NullPointerException.

I must say, I have already done the required configuration; as in enabling the Keycloak Subsystem within my app server's server configuration: standalone.xml.

Please any lead on how to retrieve the logged in User via KeyCloak?

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