9:52 a.m.
HI Pedro,
Sure, my process is as follows:
* Application forwards to Authorisation service to get a response type of ‘code’
* Authorisation service returns code and I forward it to the Token endpoint (no
bearer) to get an access token
* The Access Token contains the user authentication JWT at this point (contains Roles
but not permissions)
* Then I try to pass this access token as a ‘bearer’ to the token endpoint to get user
permission but this is where I get the 500 Error described below
Any pointers as to what I could be doing wrong would really be appreciated..
Kind regards,
Mark
From: Pedro Igor Silva [mailto:psilva@redhat.com]
Sent: 22 June 2018 15:42
To: Mark McGuigan <Mark.McGuigan(a)360globalnet.com>
Cc: keycloak-dev(a)lists.jboss.org
Subject: Re: [keycloak-dev] Accessing Token Endpoint with a User access token to get
Permissions
Hi,
Are you sending the access token or ID token as a bearer ? Could you give more details on
how you are obtaining the token ?
On Wed, Jun 20, 2018 at 5:52 AM, Mark McGuigan
<Mark.McGuigan@360globalnet.com<mailto:Mark.McGuigan@360globalnet.com>>
wrote:
Hi,
Apologies if this email is incorrectly posted.
I'm using the newly released Keycloak 4 and I've been able to successfully get an
access token for a user from an access code posted back to my application. This
doesn't contain any permissions on the token (Rightly so, only roles)
I'm now trying to get an RPT with permissions from the of client application that
reflect what the User is allowed to do.
My request looks something like:
POST /auth/realms/MyRealm/protocol/openid-connect/token HTTP/1.1
Host: localhost:8080
Authorization: Bearer eyJhbGciOiJSUzI1NiIsInR5c ...
Content-Type: application/x-www-form-urlencoded
Cache-Control: no-cache
Postman-Token: 4054feaf-a9d7-48e2-99b6-eabc86bf8da5
grant_type=urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Auma-ticket&audience=MyClient&permission=Default+Resource
Where the Bearer is the generated access_token. However I'me getting a response of :
500 Internal Server Error
{
"error": "server_error",
"error_description": "Unexpected error while evaluating
permissions"
}
And a stack trace of:
Unexpected error while evaluating permissions: java.lang.RuntimeException: Error while
reading attributes from security token.
at
org.keycloak.authorization.common.KeycloakIdentity.<init>(KeycloakIdentity.java:139)
at
org.keycloak.authorization.common.KeycloakIdentity.<init>(KeycloakIdentity.java:68)
at
org.keycloak.authorization.authorization.AuthorizationTokenService.lambda$static$1(AuthorizationTokenService.java:124)
at
org.keycloak.authorization.authorization.AuthorizationTokenService.createEvaluationContext(AuthorizationTokenService.java:311)
at
org.keycloak.authorization.authorization.AuthorizationTokenService.authorize(AuthorizationTokenService.java:161)
at
org.keycloak.protocol.oidc.endpoints.TokenEndpoint.permissionGrant(TokenEndpoint.java:1124)
at
org.keycloak.protocol.oidc.endpoints.TokenEndpoint.processGrantRequest(TokenEndpoint.java:190)
.....
Caused by: java.lang.NullPointerException
at
org.keycloak.services.util.DefaultClientSessionContext.fromClientSessionScopeParameter(DefaultClientSessionContext.java:64)
at
org.keycloak.authorization.common.KeycloakIdentity.<init>(KeycloakIdentity.java:123)
Any Ideas what I may be doing wrong? Any help appreciated.
Regards,
Mark
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