/*
* 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.adapters.rotation;
import org.jboss.logging.Logger;
import org.keycloak.RSATokenVerifier;
import org.keycloak.adapters.KeycloakDeployment;
import org.keycloak.common.VerificationException;
import org.keycloak.jose.jws.JWSInput;
import org.keycloak.representations.AccessToken;
import java.security.PublicKey;
/**
* @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
*/
public class AdapterRSATokenVerifier {
private static final Logger log = Logger.getLogger(AdapterRSATokenVerifier.class);
public static AccessToken verifyToken(String tokenString, KeycloakDeployment deployment) throws VerificationException {
return verifyToken(tokenString, deployment, true, true);
}
public static PublicKey getPublicKey(String kid, KeycloakDeployment deployment) throws VerificationException {
PublicKeyLocator pkLocator = deployment.getPublicKeyLocator();
PublicKey publicKey = pkLocator.getPublicKey(kid, deployment);
if (publicKey == null) {
log.errorf("Didn't find publicKey for kid: %s", kid);
throw new VerificationException("Didn't find publicKey for specified kid");
}
return publicKey;
}
public static AccessToken verifyToken(String tokenString, KeycloakDeployment deployment, boolean checkActive, boolean checkTokenType) throws VerificationException {
RSATokenVerifier verifier = RSATokenVerifier.create(tokenString).realmUrl(deployment.getRealmInfoUrl()).checkActive(checkActive).checkTokenType(checkTokenType);
PublicKey publicKey = getPublicKey(verifier.getHeader().getKeyId(), deployment);
return verifier.publicKey(publicKey).verify().getToken();
}
}