/*
* 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.
* under the License.
*/
package org.apache.karaf.jaas.modules.audit;
import java.util.HashMap;
import java.util.Map;
import javax.security.auth.Subject;
import javax.security.auth.callback.CallbackHandler;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import org.osgi.service.event.Event;
import org.osgi.service.event.EventAdmin;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class EventAdminAuditLoginModule extends AbstractAuditLoginModule {
public static final String TOPIC_EVENTS = "org/apache/karaf/login/";
private static final Logger LOGGER = LoggerFactory.getLogger(EventAdminAuditLoginModule.class);
private static boolean errorLogged;
private BundleContext bundleContext;
private String topic;
public void initialize(Subject subject, CallbackHandler callbackHandler,
Map sharedState, Map options) {
super.initialize(subject, callbackHandler, sharedState, options);
bundleContext = (BundleContext) options.get(BundleContext.class.getName());
topic = (String) options.get("topic");
if (topic == null) {
topic = TOPIC_EVENTS;
} else if (!topic.endsWith("/")) {
topic += "/";
}
}
@Override
protected void audit(Action action, String user) {
try {
EventAdminAuditor.audit(bundleContext, topic + action.toString().toUpperCase(), user, subject);
} catch (Throwable t) {
if (!errorLogged) {
errorLogged = true;
LOGGER.warn("Unable to send security auditing EventAdmin events: " + t);
}
}
}
static class EventAdminAuditor {
public static void audit(BundleContext bundleContext, String topic, String username, Subject subject) {
ServiceReference<EventAdmin> ref = bundleContext.getServiceReference(EventAdmin.class);
if (ref != null) {
EventAdmin eventAdmin = bundleContext.getService(ref);
try {
Map<String, Object> props = new HashMap<String, Object>();
Event event = new Event(topic, props);
props.put("type", topic.substring(topic.lastIndexOf("/") + 1).toLowerCase());
props.put("timestamp", System.currentTimeMillis());
props.put("username", username);
props.put("subject", subject);
eventAdmin.postEvent(event);
} finally {
bundleContext.ungetService(ref);
}
}
}
}
}