REST API for accessing token

[Deeps]

 Hi,

What is the keycloakID for using the below REST API call for accessing token?

/token/{keycloakID} - Get access token from keycloak

[Gunter Zeilinger]

It refers an configured Keyclock Server configuration item. The service is deprecated in favor of  /token2/{webapp}.

Also, both are intended to access a token from a second Keycloak instance for accessing REST Service on another node secured that Keycloak instance. You already need a token from the own Keycloak server using that service!

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[Deeps]

Okay.. Thank you for the reply.

[Deeps]

Actually I am using REST API call for deleting studies and series(for our viewer program in java) for which I am trying to access token. When I tried the curl command for accessing token, that worked fine.

RESULT=`curl --data "grant_type=password&client_id=dcm4chee-arc-ui&username=admin&password=admin" http://<IP:PORT>/auth/realms/dcm4che/protocol/openid-connect/token`

But when trying to access token using java application, I am getting HTTP error code : 400.

String urlString=http://<IP:PORT>/auth/realms/dcm4che/protocol/openid-connect/token;

String name = "admin";
String password = "admin";

String authString = name + ":" + password;

URL url = new URL(urlString);
HttpURLConnection conn1 = (HttpURLConnection) url.openConnection();
 conn1.setDoOutput(true);
 conn1.setRequestProperty("Authorization", "Basic " + authString);
 conn1.setRequestProperty("grant_type", "password");
 conn1.setRequestProperty("client_id", "dcm4chee-arc-ui");
 conn1.setRequestProperty("Content-Type", "application/json");
 conn1.setRequestMethod("POST");

if (conn1.getResponseCode() != 200)
{
    throw new RuntimeException("Failed to access token: HTTP error code : "
            + conn1.getResponseCode());
}

InputStream is = conn1.getInputStream();

InputStreamReader isr = new InputStreamReader(is);

This is the java segment I am using to get the token. I am getting http error code 400. Could you please help me with this? Do I need to add any more parameters?

On Tuesday, December 3, 2019 at 10:50:36 AM UTC+5:30, Deeps wrote:

[Gunter Zeilinger]

Better to use org.keycloak.admin.client.KeycloakBuilder from keycloak-admin-client , which also takes care to renew the token transparently.

Used by dcm4chee-arc: https://github.com/dcm4che/dcm4chee-arc-light/blob/master/dcm4chee-arc-keycloak/src/main/java/org/dcm4chee/arc/keycloak/AccessTokenRequestor.java#L138-L147

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[Deeps]

Thank you so much. I will try this.

On Tuesday, December 3, 2019 at 10:50:36 AM UTC+5:30, Deeps wrote: