[keycloak-user] [Authorization] Get user roles from token

Stian Thorgersen sthorger at redhat.com
Thu Dec 17 06:02:15 EST 2015 

The class it's complaining about above is only used by QRCodeResource,
which is part of the Keycloak server. This means you are including Keycloak
server side dependencies into your WAR.

On 17 December 2015 at 11:49, Pavel Maslov <pavel.masloff at gmail.com> wrote:

> I added these two lines to a working REST service which is already secured
> with Keycloak. The only thing is that I am checking user's roles using
> *annotations*. What I want to do now is handle this manually (by creating
> a test servlet that will pul user's roles out of the token).
>
> From the log I can see that it's missing com/google/zxing:
>
>> Caused by: java.lang.NoClassDefFoundError: com/google/zxing/
>> WriterException"
>
> I have no idea what it means.
>
>
> Regards,
> Pavel Maslov, MS
>
> On Thu, Dec 17, 2015 at 11:33 AM, Stian Thorgersen <sthorger at redhat.com>
> wrote:
>
>> If you are using WildFly you should install the client adapter subsystem
>> (see the docs for instructions). That way you don't have to add any
>> dependencies into your WAR.
>>
>> On 17 December 2015 at 11:01, Pavel Maslov <pavel.masloff at gmail.com>
>> wrote:
>>
>>> Hi Jonah,
>>>
>>> You don't get these error if you remove the 2 code lines?
>>>>
>>> Exactly. However, once I include these 2 lines, I cannot deploy the war
>>> file to the Wildfly server.
>>>
>>> I have to point out that there are no errors during build/packaging.
>>>
>>> Regards,
>>> Pavel Maslov, MS
>>>
>>> On Thu, Dec 17, 2015 at 10:56 AM, Johan Bos <johan.bos at c6.eu> wrote:
>>>
>>>> You don't get these error if you remove the 2 code lines?
>>>> When deploying your apps, it is not enough to add the keycloak core
>>>> dependency to access the keycloak principal, you also need to add all
>>>> possible dependency the keycloak lib is relying onto.
>>>>
>>>> Basically on latest version of keycloak, I added almost everything that
>>>> comes in the adapter zip to my project/api dependency for runtime.
>>>> No idea how it was dealt with in previous version. Only dealt with
>>>> keycloak 1.6 and 1.7.
>>>>
>>>> Since you had to provide some lib to your server (mine was tomcat 7) to
>>>> dealt with the keycloak implantation to secure my app, as soon as I needed
>>>> to acces keycloak token from my app code, I was required to add the libs
>>>> the adapter for tomcat 7 is providing.
>>>>
>>>> Regards,
>>>>
>>>> Johan Bos
>>>>
>>>> Le 17/12/2015 10:39, Pavel Maslov a écrit :
>>>>
>>>> Guys, I am repeating my question here. Any ideas on this?
>>>>
>>>> I added the *org.keycloak.KeycloakPrincipal* definition in order to
>>>>> get the token:
>>>>>
>>>>>
>>>>> KeycloakPrincipal kcPrincipal = (KeycloakPrincipal)
>>>>> srvl.getUserPrincipal();
>>>>> String token =
>>>>> kcPrincipal.getKeycloakSecurityContext().getTokenString();
>>>>>
>>>>> but cannot deploy the project to the Wildfly server:
>>>>>
>>>>> 10:23:31,250 INFO  [org.jboss.resteasy.spi.ResteasyDeployment] (MSC
>>>>> service thread 1-2) Deploying javax.ws.rs.core.Application: class
>>>>> si.liis.apitime.service.ApiTimeApplication
>>>>> 10:23:31,282 ERROR [org.jboss.msc.service.fail] (MSC service thread
>>>>> 1-2) MSC000001: Failed to start service
>>>>> jboss.undertow.deployment.default-server.default-host./apitime-rest:
>>>>> org.jboss.msc.service.StartException in service
>>>>> jboss.undertow.deployment.default-server.default-host./apitime-rest: Failed
>>>>> to start service
>>>>> at
>>>>> org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1904)
>>>>> [jboss-msc-1.2.2.Final.jar:1.2.2.Final]
>>>>> at
>>>>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>>>>> [rt.jar:1.7.0_85]
>>>>> at
>>>>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>>>>> [rt.jar:1.7.0_85]
>>>>> at java.lang.Thread.run(Thread.java:745) [rt.jar:1.7.0_85]
>>>>> Caused by: java.lang.NoClassDefFoundError:
>>>>> com/google/zxing/WriterException
>>>>> at java.lang.Class.getDeclaredMethods0(Native Method) [rt.jar:1.7.0_85]
>>>>> at java.lang.Class.privateGetDeclaredMethods(Class.java:2625)
>>>>> [rt.jar:1.7.0_85]
>>>>> at java.lang.Class.privateGetPublicMethods(Class.java:2743)
>>>>> [rt.jar:1.7.0_85]
>>>>> at java.lang.Class.getMethods(Class.java:1480) [rt.jar:1.7.0_85]
>>>>> at
>>>>> org.jboss.resteasy.spi.metadata.ResourceBuilder.fromAnnotations(ResourceBuilder.java:747)
>>>>> at
>>>>> org.jboss.resteasy.spi.metadata.ResourceBuilder.rootResourceFromAnnotations(ResourceBuilder.java:700)
>>>>> at
>>>>> org.jboss.resteasy.plugins.server.resourcefactory.POJOResourceFactory.<init>(POJOResourceFactory.java:29)
>>>>> at
>>>>> org.jboss.resteasy.core.ResourceMethodRegistry.addPerRequestResource(ResourceMethodRegistry.java:75)
>>>>> at
>>>>> org.jboss.resteasy.spi.ResteasyDeployment.registration(ResteasyDeployment.java:400)
>>>>> at
>>>>> org.jboss.resteasy.spi.ResteasyDeployment.start(ResteasyDeployment.java:241)
>>>>> at
>>>>> org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.init(ServletContainerDispatcher.java:112)
>>>>> at
>>>>> org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.init(HttpServletDispatcher.java:36)
>>>>> at
>>>>> io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:117)
>>>>> at
>>>>> org.wildfly.extension.undertow.security.RunAsLifecycleInterceptor.init(RunAsLifecycleInterceptor.java:79)
>>>>> at
>>>>> io.undertow.servlet.core.LifecyleInterceptorInvocation.proceed(LifecyleInterceptorInvocation.java:103)
>>>>> at
>>>>> io.undertow.servlet.core.ManagedServlet$DefaultInstanceStrategy.start(ManagedServlet.java:220)
>>>>> at
>>>>> io.undertow.servlet.core.ManagedServlet.createServlet(ManagedServlet.java:125)
>>>>> at
>>>>> io.undertow.servlet.core.DeploymentManagerImpl.start(DeploymentManagerImpl.java:508)
>>>>> at
>>>>> org.wildfly.extension.undertow.deployment.UndertowDeploymentService.startContext(UndertowDeploymentService.java:88)
>>>>> at
>>>>> org.wildfly.extension.undertow.deployment.UndertowDeploymentService.start(UndertowDeploymentService.java:72)
>>>>> at
>>>>> org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1948)
>>>>> [jboss-msc-1.2.2.Final.jar:1.2.2.Final]
>>>>> at
>>>>> org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1881)
>>>>> [jboss-msc-1.2.2.Final.jar:1.2.2.Final]
>>>>> ... 3 more
>>>>>
>>>>> 10:23:31,285 ERROR [org.jboss.as.controller.management-operation]
>>>>> (management-handler-thread - 1) JBAS014613: Operation ("redeploy") failed -
>>>>> address: ([("deployment" => "apitime-rest.war")]) - failure description:
>>>>> {"JBAS014671: Failed services" =>
>>>>> {"jboss.undertow.deployment.default-server.default-host./apitime-rest" =>
>>>>> "org.jboss.msc.service.StartException in service
>>>>> jboss.undertow.deployment.default-server.default-host./apitime-rest: Failed
>>>>> to start service
>>>>>     Caused by: java.lang.NoClassDefFoundError:
>>>>> com/google/zxing/WriterException"}}
>>>>> 10:23:31,285 ERROR [org.jboss.as.server] (management-handler-thread -
>>>>> 1) JBAS015860: Redeploy of deployment "apitime-rest.war" was rolled back
>>>>> with the following failure message:
>>>>> {"JBAS014671: Failed services" =>
>>>>> {"jboss.undertow.deployment.default-server.default-host./apitime-rest" =>
>>>>> "org.jboss.msc.service.StartException in service
>>>>> jboss.undertow.deployment.default-server.default-host./apitime-rest: Failed
>>>>> to start service
>>>>>     Caused by: java.lang.NoClassDefFoundError:
>>>>> com/google/zxing/WriterException"}}
>>>>>
>>>>>
>>>>>
>>>>> I am using Wildfly 8.2.0 with Keycloak adapter 1.3.1.
>>>>> Any solution?
>>>>> Thanks.
>>>>>
>>>>>
>>>> Regards,
>>>> Pavel Maslov, MS
>>>>
>>>> On Wed, Dec 16, 2015 at 10:51 PM, Johan B. <johan.bos at c6.eu> wrote:
>>>>
>>>>> You answered it. I was not familiar with the whole setting list. My
>>>>> question was: does something in the ui make the setting change or is it a
>>>>> manual setup?
>>>>> I think you are saying it is only manual and it is fine.
>>>>> It would probably best for future version to have all these extra
>>>>> adapter setting avail. From admin UI so people has the switch/checkbox or
>>>>> input form to make direct application change to the json
>>>>> Moreover since you have a download installation button and a json
>>>>> setting viewer
>>>>>
>>>>> Le mercredi 16 décembre 2015, Johan Bos < <johan.bos at c6.eu>
>>>>> johan.bos at c6.eu> a écrit :
>>>>>
>>>>>> oh when you said:
>>>>>>
>>>>>> use-resource-role-mappings
>>>>>>
>>>>>> it is only available through the keycloak.json
>>>>>>
>>>>>> Nothing from Keycloak Admin UI allows you to set the options, so have the installation file ready with everything ?
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> Johan Bos
>>>>>>
>>>>>> Le 16/12/2015 16:33, Johan Bos a écrit :
>>>>>>
>>>>>> So it is one or the other.
>>>>>> The switch is at realm level or per clients?
>>>>>>
>>>>>> As I tend to make realm role for securing the clients only and
>>>>>> client/resource roles for internal client management, I should be fine
>>>>>>
>>>>>> Still It would help to have some merging/mapping so from client we
>>>>>> don't have to so much rely on KeyCloak implementation to test roles...
>>>>>> Issue is that realm role can have same name as client role. But once there
>>>>>> is always some pitfall to avoid.
>>>>>>
>>>>>> Thanks
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> Johan Bos
>>>>>>
>>>>>> Le 16/12/2015 15:45, Bill Burke a écrit :
>>>>>>
>>>>>> See use-resource-role-mappings switch:
>>>>>>
>>>>>> If set to true, the getResourceAccess("resource-name") roles will be
>>>>>> mapped into isUserInRole, otherwise getRealmAccess is mapped into
>>>>>> isUserInRole
>>>>>>
>>>>>> Not the best I know.  We've been meaning to add some sort of role
>>>>>> mapping facility to the adapter.
>>>>>>
>>>>>> On 12/16/2015 9:17 AM, Johan Bos wrote:
>>>>>>
>>>>>> Why is HttpRequest.isUserInRole(<role>) not capable to return true
>>>>>> when
>>>>>> the role is present in the AccessToken.getRealmAccess?
>>>>>>
>>>>>> Regards,
>>>>>>
>>>>>> Johan Bos
>>>>>>
>>>>>> Le 16/12/2015 15:09, Bill Burke a écrit :
>>>>>>
>>>>>> AccessToken.getResourceAccess or AccessToken.getRealmAccess
>>>>>>
>>>>>> On 12/16/2015 4:51 AM, Tim Dudgeon wrote:
>>>>>>
>>>>>> Its not clear to me how you get the assigned roles from the
>>>>>> AccessToken.
>>>>>> For instance, is the realm has configured the user to have roles
>>>>>> "user"
>>>>>> and "editor" how do I find these in the AccessToken?
>>>>>>
>>>>>> Tim
>>>>>>
>>>>>> On 07/12/2015 02:53, Bill Burke wrote:
>>>>>>
>>>>>> For Java HttpServletRequest.isUserInRole() works.  If you typecast
>>>>>> the
>>>>>> principal to KeycloakPrincipal you can obtain the AccessToken.
>>>>>>
>>>>>> On 12/6/2015 5:39 PM, Pavel Maslov wrote:
>>>>>>
>>>>>> Hi everyone,
>>>>>>
>>>>>>
>>>>>> Do Keycloak adapters support user authorization? I mean, of course
>>>>>> they
>>>>>> do :) For example, the API I have secured with Keycloak receives a
>>>>>> Keycloak access token from the client. How can I validate the token
>>>>>> (check user roles) in my code? I am interested in the Java
>>>>>> (wildfly) and
>>>>>> Javascript adapters.
>>>>>>
>>>>>> Manually I am using jwt.io <http://jwt.io><http://jwt.io>
>>>>>> <http://jwt.io> to check the token. I am
>>>>>> just
>>>>>> curious if the Keycloak adapters support smth similar out of the box.
>>>>>>
>>>>>> Thank you for your answers.
>>>>>>
>>>>>>
>>>>>> Regards,
>>>>>> Pavel Maslov, MS
>>>>>>
>>>>>>
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>>>>>>
>>>>>>
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>>>>>>
>>>>>>
>>>>>>
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>>>>>>
>>>>>>
>>>>>>
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>
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