/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.keycloak.testsuite.admin;
import org.junit.Assert;
import org.junit.ClassRule;
import org.junit.Rule;
import org.junit.Test;
import org.keycloak.Config;
import org.keycloak.events.Details;
import org.keycloak.events.EventType;
import org.keycloak.models.AdminRoles;
import org.keycloak.models.ClientModel;
import org.keycloak.models.ClientSessionModel;
import org.keycloak.models.Constants;
import org.keycloak.models.ImpersonationConstants;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.RealmModel;
import org.keycloak.models.RoleModel;
import org.keycloak.models.UserModel;
import org.keycloak.models.UserSessionModel;
import org.keycloak.models.utils.KeycloakModelUtils;
import org.keycloak.protocol.oidc.OIDCLoginProtocol;
import org.keycloak.protocol.oidc.TokenManager;
import org.keycloak.representations.AccessToken;
import org.keycloak.services.managers.RealmManager;
import org.keycloak.services.resources.admin.AdminRoot;
import org.keycloak.testsuite.AssertEvents;
import org.keycloak.testsuite.rule.KeycloakRule;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.ClientRequestContext;
import javax.ws.rs.client.ClientRequestFilter;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriBuilder;
import java.io.IOException;
import java.util.Map;
/**
* Tests Undertow Adapter
*
* @author <a href="mailto:bburke@redhat.com">Bill Burke</a>
*/
public class ImpersonationTest {
static String impersonatedUserId;
@ClassRule
public static KeycloakRule keycloakRule = new KeycloakRule( new KeycloakRule.KeycloakSetup() {
@Override
public void config(RealmManager manager, RealmModel adminstrationRealm, RealmModel appRealm) {
impersonatedUserId = manager.getSession().users().getUserByUsername("test-user@localhost", appRealm).getId();
{
UserModel masterImpersonator = manager.getSession().users().addUser(adminstrationRealm, "master-impersonator");
masterImpersonator.setEnabled(true);
ClientModel adminRealmClient = adminstrationRealm.getClientByClientId(KeycloakModelUtils.getMasterRealmAdminApplicationClientId(appRealm.getName()));
RoleModel masterImpersonatorRole = adminRealmClient.getRole(ImpersonationConstants.IMPERSONATION_ROLE);
masterImpersonator.grantRole(masterImpersonatorRole);
}
{
UserModel masterBadImpersonator = manager.getSession().users().addUser(adminstrationRealm, "master-bad-impersonator");
masterBadImpersonator.setEnabled(true);
}
{
UserModel impersonator = manager.getSession().users().addUser(appRealm, "impersonator");
impersonator.setEnabled(true);
ClientModel appRealmClient = appRealm.getClientByClientId(Constants.REALM_MANAGEMENT_CLIENT_ID);
RoleModel realmImpersonatorRole = appRealmClient.getRole(ImpersonationConstants.IMPERSONATION_ROLE);
impersonator.grantRole(realmImpersonatorRole);
}
{
UserModel impersonator = manager.getSession().users().addUser(appRealm, "realm-admin");
impersonator.setEnabled(true);
ClientModel appRealmClient = appRealm.getClientByClientId(Constants.REALM_MANAGEMENT_CLIENT_ID);
RoleModel realmImpersonatorRole = appRealmClient.getRole(AdminRoles.REALM_ADMIN);
impersonator.grantRole(realmImpersonatorRole);
}
{
UserModel badimpersonator = manager.getSession().users().addUser(appRealm, "bad-impersonator");
badimpersonator.setEnabled(true);
}
}
});
@Rule
public AssertEvents events = new AssertEvents(keycloakRule);
private static String createAdminToken(String username, String realm) {
KeycloakSession session = keycloakRule.startSession();
try {
RealmManager manager = new RealmManager(session);
RealmModel adminRealm = manager.getRealm(realm);
ClientModel adminConsole = adminRealm.getClientByClientId(Constants.ADMIN_CLI_CLIENT_ID);
TokenManager tm = new TokenManager();
UserModel admin = session.users().getUserByUsername(username, adminRealm);
ClientSessionModel clientSession = session.sessions().createClientSession(adminRealm, adminConsole);
clientSession.setNote(OIDCLoginProtocol.ISSUER, "http://localhost:8081/auth/realms/" + realm);
UserSessionModel userSession = session.sessions().createUserSession(adminRealm, admin, "admin", null, "form", false, null, null);
AccessToken token = tm.createClientAccessToken(session, tm.getAccess(null, true, adminConsole, admin), adminRealm, adminConsole, admin, userSession, clientSession);
return tm.encodeToken(adminRealm, token);
} finally {
keycloakRule.stopSession(session, true);
}
}
@Test
public void testImpersonateByMasterAdmin() {
// test that composite is set up right for impersonation role
testSuccessfulImpersonation("admin", Config.getAdminRealm());
}
@Test
public void testImpersonateByMasterImpersonator() {
testSuccessfulImpersonation("master-impersonator", Config.getAdminRealm());
}
@Test
public void testImpersonateByTestImpersonator() {
testSuccessfulImpersonation("impersonator", "test");
}
@Test
public void testImpersonateByTestAdmin() {
// test that composite is set up right for impersonation role
testSuccessfulImpersonation("realm-admin", "test");
}
@Test
public void testImpersonateByTestBadImpersonator() {
testForbiddenImpersonation("bad-impersonator", "test");
}
@Test
public void testImpersonateByMastertBadImpersonator() {
testForbiddenImpersonation("master-bad-impersonator", Config.getAdminRealm());
}
protected void testSuccessfulImpersonation(String admin, String adminRealm) {
Client client = createClient(admin, adminRealm);
WebTarget impersonate = createImpersonateTarget(client);
Map data = impersonate.request().post(null, Map.class);
Assert.assertNotNull(data);
Assert.assertNotNull(data.get("redirect"));
events.expect(EventType.IMPERSONATE)
.session(AssertEvents.isUUID())
.user(impersonatedUserId)
.detail(Details.IMPERSONATOR, admin)
.detail(Details.IMPERSONATOR_REALM, adminRealm)
.client((String) null).assertEvent();
client.close();
}
protected void testForbiddenImpersonation(String admin, String adminRealm) {
Client client = createClient(admin, adminRealm);
WebTarget impersonate = createImpersonateTarget(client);
Response response = impersonate.request().post(null);
response.close();
client.close();
}
protected WebTarget createImpersonateTarget(Client client) {
UriBuilder authBase = UriBuilder.fromUri("http://localhost:8081/auth");
WebTarget adminRealms = client.target(AdminRoot.realmsUrl(authBase));
WebTarget realmTarget = adminRealms.path("test");
return realmTarget.path("users").path(impersonatedUserId).path("impersonation");
}
protected Client createClient(String admin, String adminRealm) {
String token = createAdminToken(admin, adminRealm);
final String authHeader = "Bearer " + token;
ClientRequestFilter authFilter = new ClientRequestFilter() {
@Override
public void filter(ClientRequestContext requestContext) throws IOException {
requestContext.getHeaders().add(HttpHeaders.AUTHORIZATION, authHeader);
}
};
return ClientBuilder.newBuilder().register(authFilter).build();
}
}