/*
* Copyright 2017 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.saml;
import org.keycloak.adapters.spi.SessionIdMapper;
import java.util.Objects;
import javax.servlet.http.*;
/**
*
* @author hmlnarik
*/
public class IdMapperUpdaterSessionListener implements HttpSessionListener, HttpSessionAttributeListener {
private final SessionIdMapper idMapper;
public IdMapperUpdaterSessionListener(SessionIdMapper idMapper) {
this.idMapper = idMapper;
}
@Override
public void sessionCreated(HttpSessionEvent hse) {
HttpSession session = hse.getSession();
Object value = session.getAttribute(SamlSession.class.getName());
map(session.getId(), value);
}
@Override
public void sessionDestroyed(HttpSessionEvent hse) {
HttpSession session = hse.getSession();
unmap(session.getId(), session.getAttribute(SamlSession.class.getName()));
}
@Override
public void attributeAdded(HttpSessionBindingEvent hsbe) {
HttpSession session = hsbe.getSession();
if (Objects.equals(hsbe.getName(), SamlSession.class.getName())) {
map(session.getId(), hsbe.getValue());
}
}
@Override
public void attributeRemoved(HttpSessionBindingEvent hsbe) {
HttpSession session = hsbe.getSession();
if (Objects.equals(hsbe.getName(), SamlSession.class.getName())) {
unmap(session.getId(), hsbe.getValue());
}
}
@Override
public void attributeReplaced(HttpSessionBindingEvent hsbe) {
HttpSession session = hsbe.getSession();
if (Objects.equals(hsbe.getName(), SamlSession.class.getName())) {
unmap(session.getId(), hsbe.getValue());
map(session.getId(), session.getAttribute(SamlSession.class.getName()));
}
}
private void map(String sessionId, Object value) {
if (! (value instanceof SamlSession) || sessionId == null) {
return;
}
SamlSession account = (SamlSession) value;
idMapper.map(account.getSessionIndex(), account.getPrincipal().getSamlSubject(), sessionId);
}
private void unmap(String sessionId, Object value) {
if (! (value instanceof SamlSession) || sessionId == null) {
return;
}
SamlSession samlSession = (SamlSession) value;
if (samlSession.getSessionIndex() != null) {
idMapper.removeSession(sessionId);
}
}
}