org.apache.karaf.management.internal.JMXSecurityMBeanImpl Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of org.apache.karaf.management.server Show documentation
This bundle starts the Karaf embedded MBean server and RMI registry allowing users to use JMX to manage Karaf.
The newest version!
/*
 * 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.management.internal;

import java.util.Arrays;
import org.apache.karaf.management.JMXSecurityMBean;
import org.apache.karaf.management.KarafMBeanServerGuard;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.management.MBeanServer;
import javax.management.NotCompliantMBeanException;
import javax.management.ObjectName;
import javax.management.StandardMBean;
import javax.management.openmbean.CompositeData;
import javax.management.openmbean.CompositeDataSupport;
import javax.management.openmbean.KeyAlreadyExistsException;
import javax.management.openmbean.TabularData;
import javax.management.openmbean.TabularDataSupport;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

public class JMXSecurityMBeanImpl extends StandardMBean implements JMXSecurityMBean {

    private static final Logger LOG = LoggerFactory.getLogger(JMXSecurityMBeanImpl.class);

    private MBeanServer mbeanServer;
    private KarafMBeanServerGuard guard;

    public JMXSecurityMBeanImpl() throws NotCompliantMBeanException {
        super(JMXSecurityMBean.class);
    }

    public boolean canInvoke(String objectName) throws Exception {
        return canInvoke((BulkRequestContext) null, objectName);
    }

    public boolean canInvoke(String objectName, String methodName) throws Exception {
        return canInvoke(null, objectName, methodName);
    }

    public boolean canInvoke(String objectName, String methodName, String[] argumentTypes) throws Exception {
        return canInvoke(null, objectName, methodName, argumentTypes);
    }

    private boolean canInvoke(BulkRequestContext context, String objectName) throws Exception {
        if (guard == null)
            return true;

        return guard.canInvoke(context, mbeanServer, new ObjectName(objectName));
    }

    private boolean canInvoke(BulkRequestContext context, String objectName, String methodName) throws Exception {
        if (guard == null)
            return true;

        return guard.canInvoke(context, mbeanServer, new ObjectName(objectName), methodName);
    }

    private boolean canInvoke(BulkRequestContext context, String objectName, String methodName, String[] argumentTypes) throws Exception {
        ObjectName on = new ObjectName(objectName);

        if (guard == null)
            return true;

        return guard.canInvoke(context, mbeanServer, on, methodName, argumentTypes);
    }

    public TabularData canInvoke(Map> bulkQuery) throws Exception {
        TabularData table = new TabularDataSupport(CAN_INVOKE_TABULAR_TYPE);

        BulkRequestContext context = BulkRequestContext.newContext(guard.getConfigAdmin());

        for (Map.Entry> entry : bulkQuery.entrySet()) {
            String objectName = entry.getKey();
            List methods = entry.getValue();
            if (methods.size() == 0) {
                boolean res = canInvoke(context, objectName);
                CompositeData data = new CompositeDataSupport(CAN_INVOKE_RESULT_ROW_TYPE, CAN_INVOKE_RESULT_COLUMNS, new Object[]{ objectName, "", res });
                table.put(data);
            } else {
                for (String method : methods) {
                    List argTypes = new ArrayList<>();
                    String name = parseMethodName(method, argTypes);

                    boolean res;
                    if (name.equals(method)) {
                        res = canInvoke(context, objectName, name);
                    } else {
                        res = canInvoke(context, objectName, name, argTypes.toArray(new String[]{}));
                    }
                    CompositeData data = new CompositeDataSupport(CAN_INVOKE_RESULT_ROW_TYPE, CAN_INVOKE_RESULT_COLUMNS, new Object[]{ objectName, method, res });
                    try {
                        table.put(data);
                    } catch (KeyAlreadyExistsException e) {
                        // KeyAlreadyExistsException can happen only when methods are not empty
                        LOG.warn("{} (objectName = \"{}\", method = \"{}\")", e, new Object[] { objectName, method });
                    }
                }
            }
        }

        return table;
    }

    private String parseMethodName(String method, List argTypes) {
        method = method.trim();
        int index = method.indexOf('(');
        if (index < 0)
            return method;

        String args = method.substring(index + 1, method.length() - 1);
        argTypes.addAll(Arrays.asList(args.split(",")));

        return method.substring(0, index);
    }

    public MBeanServer getMBeanServer() {
        return this.mbeanServer;
    }

    public void setMBeanServer(MBeanServer mbeanServer) {
        this.mbeanServer = mbeanServer;
    }

    public KarafMBeanServerGuard getGuard() {
        return guard;
    }

    public void setGuard(KarafMBeanServerGuard guard) {
        this.guard = guard;
    }

}