PublicKeyStorageManager.java
/*
* 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.keys.loader;
import org.jboss.logging.Logger;
import org.keycloak.broker.oidc.OIDCIdentityProviderConfig;
import org.keycloak.crypto.KeyWrapper;
import org.keycloak.jose.jwk.JWK;
import org.keycloak.jose.jws.JWSInput;
import org.keycloak.keys.PublicKeyLoader;
import org.keycloak.keys.PublicKeyStorageProvider;
import org.keycloak.keys.PublicKeyStorageUtils;
import org.keycloak.models.ClientModel;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.RealmModel;
import java.security.PublicKey;
/**
* @author <a href="mailto:mposolda@redhat.com">Marek Posolda</a>
*/
public class PublicKeyStorageManager {
private static final Logger logger = Logger.getLogger(PublicKeyStorageManager.class);
public static PublicKey getClientPublicKey(KeycloakSession session, ClientModel client, JWSInput input) {
KeyWrapper keyWrapper = getClientPublicKeyWrapper(session, client, input);
PublicKey publicKey = null;
if (keyWrapper != null) {
publicKey = (PublicKey)keyWrapper.getPublicKey();
}
return publicKey;
}
public static KeyWrapper getClientPublicKeyWrapper(KeycloakSession session, ClientModel client, JWSInput input) {
String kid = input.getHeader().getKeyId();
String alg = input.getHeader().getRawAlgorithm();
PublicKeyStorageProvider keyStorage = session.getProvider(PublicKeyStorageProvider.class);
String modelKey = PublicKeyStorageUtils.getClientModelCacheKey(client.getRealm().getId(), client.getId());
ClientPublicKeyLoader loader = new ClientPublicKeyLoader(session, client);
return keyStorage.getPublicKey(modelKey, kid, alg, loader);
}
public static KeyWrapper getClientPublicKeyWrapper(KeycloakSession session, ClientModel client, JWK.Use keyUse, String algAlgorithm) {
PublicKeyStorageProvider keyStorage = session.getProvider(PublicKeyStorageProvider.class);
String modelKey = PublicKeyStorageUtils.getClientModelCacheKey(client.getRealm().getId(), client.getId(), keyUse);
ClientPublicKeyLoader loader = new ClientPublicKeyLoader(session, client, keyUse);
return keyStorage.getFirstPublicKey(modelKey, algAlgorithm, loader);
}
public static KeyWrapper getIdentityProviderKeyWrapper(KeycloakSession session, RealmModel realm, OIDCIdentityProviderConfig idpConfig, JWSInput input) {
boolean keyIdSetInConfiguration = idpConfig.getPublicKeySignatureVerifierKeyId() != null
&& ! idpConfig.getPublicKeySignatureVerifierKeyId().trim().isEmpty();
String kid = input.getHeader().getKeyId();
String alg = input.getHeader().getRawAlgorithm();
PublicKeyStorageProvider keyStorage = session.getProvider(PublicKeyStorageProvider.class);
String modelKey = PublicKeyStorageUtils.getIdpModelCacheKey(realm.getId(), idpConfig.getInternalId());
PublicKeyLoader loader;
if (idpConfig.isUseJwksUrl()) {
loader = new OIDCIdentityProviderPublicKeyLoader(session, idpConfig);
} else {
String pem = idpConfig.getPublicKeySignatureVerifier();
if (pem == null || pem.trim().isEmpty()) {
logger.warnf("No public key saved on identityProvider %s", idpConfig.getAlias());
return null;
}
loader = new HardcodedPublicKeyLoader(
keyIdSetInConfiguration
? idpConfig.getPublicKeySignatureVerifierKeyId().trim()
: kid, pem, alg);
}
return keyStorage.getPublicKey(modelKey, kid, alg, loader);
}
}