/*
* 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.protocol.oidc.utils;
import org.jboss.resteasy.spi.HttpRequest;
import org.keycloak.authentication.AuthenticationProcessor;
import org.keycloak.authentication.ClientAuthenticator;
import org.keycloak.authentication.ClientAuthenticatorFactory;
import org.keycloak.events.EventBuilder;
import org.keycloak.models.AuthenticationFlowModel;
import org.keycloak.models.ClientModel;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.RealmModel;
import org.keycloak.protocol.oidc.OIDCLoginProtocol;
import org.keycloak.provider.ProviderFactory;
import org.keycloak.services.ErrorResponseException;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.Response;
import java.util.List;
import java.util.Map;
/**
* @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
*/
public class AuthorizeClientUtil {
public static ClientAuthResult authorizeClient(KeycloakSession session, EventBuilder event) {
AuthenticationProcessor processor = getAuthenticationProcessor(session, event);
Response response = processor.authenticateClient();
if (response != null) {
throw new WebApplicationException(response);
}
ClientModel client = processor.getClient();
if (client == null) {
throw new ErrorResponseException("invalid_client", "Client authentication ended, but client is null", Response.Status.BAD_REQUEST);
}
session.getContext().setClient(client);
return new ClientAuthResult(client, processor.getClientAuthAttributes());
}
public static AuthenticationProcessor getAuthenticationProcessor(KeycloakSession session, EventBuilder event) {
RealmModel realm = session.getContext().getRealm();
AuthenticationFlowModel clientAuthFlow = realm.getClientAuthenticationFlow();
String flowId = clientAuthFlow.getId();
AuthenticationProcessor processor = new AuthenticationProcessor();
processor.setFlowId(flowId)
.setConnection(session.getContext().getConnection())
.setEventBuilder(event)
.setRealm(realm)
.setSession(session)
.setUriInfo(session.getContext().getUri())
.setRequest(session.getContext().getContextObject(HttpRequest.class));
return processor;
}
public static ClientAuthenticatorFactory findClientAuthenticatorForOIDCAuthMethod(KeycloakSession session, String oidcAuthMethod) {
List<ProviderFactory> providerFactories = session.getKeycloakSessionFactory().getProviderFactories(ClientAuthenticator.class);
for (ProviderFactory factory : providerFactories) {
ClientAuthenticatorFactory clientAuthFactory = (ClientAuthenticatorFactory) factory;
if (clientAuthFactory.getProtocolAuthenticatorMethods(OIDCLoginProtocol.LOGIN_PROTOCOL).contains(oidcAuthMethod)) {
return clientAuthFactory;
}
}
return null;
}
public static class ClientAuthResult {
private final ClientModel client;
private final Map<String, String> clientAuthAttributes;
private ClientAuthResult(ClientModel client, Map<String, String> clientAuthAttributes) {
this.client = client;
this.clientAuthAttributes = clientAuthAttributes;
}
public ClientModel getClient() {
return client;
}
public Map<String, String> getClientAuthAttributes() {
return clientAuthAttributes;
}
}
}