org.keycloak.policy.HistoryPasswordPolicyProvider Maven / Gradle / Ivy
/*
* 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.policy;
import org.jboss.logging.Logger;
import org.keycloak.credential.CredentialModel;
import org.keycloak.credential.hash.PasswordHashProvider;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.PasswordPolicy;
import org.keycloak.models.RealmModel;
import org.keycloak.models.UserModel;
import java.util.List;
/**
* @author Stian Thorgersen
*/
public class HistoryPasswordPolicyProvider implements PasswordPolicyProvider {
private static final Logger logger = Logger.getLogger(HistoryPasswordPolicyProvider.class);
private static final String ERROR_MESSAGE = "invalidPasswordHistoryMessage";
private KeycloakSession session;
public HistoryPasswordPolicyProvider(KeycloakSession session) {
this.session = session;
}
@Override
public PolicyError validate(String username, String password) {
return null;
}
@Override
public PolicyError validate(RealmModel realm, UserModel user, String password) {
PasswordPolicy policy = session.getContext().getRealm().getPasswordPolicy();
int passwordHistoryPolicyValue = policy.getPolicyConfig(HistoryPasswordPolicyProviderFactory.ID);
if (passwordHistoryPolicyValue != -1) {
List storedPasswords = session.userCredentialManager().getStoredCredentialsByType(realm, user, CredentialModel.PASSWORD);
for (CredentialModel cred : storedPasswords) {
PasswordHashProvider hash = session.getProvider(PasswordHashProvider.class, cred.getAlgorithm());
if (hash == null) continue;
if (hash.verify(password, cred)) {
return new PolicyError(ERROR_MESSAGE, passwordHistoryPolicyValue);
}
}
List passwordHistory = session.userCredentialManager().getStoredCredentialsByType(realm, user, CredentialModel.PASSWORD_HISTORY);
for (CredentialModel cred : passwordHistory) {
PasswordHashProvider hash = session.getProvider(PasswordHashProvider.class, cred.getAlgorithm());
if (hash.verify(password, cred)) {
return new PolicyError(ERROR_MESSAGE, passwordHistoryPolicyValue);
}
}
}
return null;
}
@Override
public Object parseConfig(String value) {
return value != null ? Integer.parseInt(value) : HistoryPasswordPolicyProviderFactory.DEFAULT_VALUE;
}
@Override
public void close() {
}
}