/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.karaf.service.guard.impl;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.Filter;
import org.osgi.framework.hooks.service.EventListenerHook;
import org.osgi.framework.hooks.service.FindHook;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
// This bundle is quite low-level and benefits from starting early in the process. Therefore it does not depend
// on Blueprint but rather uses direct OSGi framework APIs and Service Trackers ...
public class Activator implements BundleActivator {
private final Logger logger = LoggerFactory.getLogger(getClass());
GuardingEventHook guardingEventHook;
GuardingFindHook guardingFindHook;
GuardProxyCatalog guardProxyCatalog;
@Override
public void start(BundleContext bundleContext) throws Exception {
String f = System.getProperty(GuardProxyCatalog.KARAF_SECURED_SERVICES_SYSPROP);
Filter securedServicesFilter;
if (f == null) {
// no services need to be secured
logger.info("No role-based security for services as its system property is not set: {}", GuardProxyCatalog.KARAF_SECURED_SERVICES_SYSPROP);
return;
} else {
securedServicesFilter = bundleContext.createFilter(f);
logger.info("Adding role-based security to services with filter: {}", f);
}
guardProxyCatalog = new GuardProxyCatalog(bundleContext);
guardingEventHook = new GuardingEventHook(bundleContext, guardProxyCatalog, securedServicesFilter);
bundleContext.registerService(EventListenerHook.class, guardingEventHook, null);
guardingFindHook = new GuardingFindHook(bundleContext, guardProxyCatalog, securedServicesFilter);
bundleContext.registerService(FindHook.class, guardingFindHook, null);
}
@Override
public void stop(BundleContext bundleContext) throws Exception {
if (guardProxyCatalog != null) {
guardProxyCatalog.close();
}
}
}