001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.activemq.transport.auto;
018
019import java.io.IOException;
020import java.net.Socket;
021import java.net.URI;
022import java.net.URISyntaxException;
023import java.util.HashMap;
024import java.util.Map;
025import java.util.Set;
026
027import javax.net.ServerSocketFactory;
028import javax.net.ssl.SSLServerSocketFactory;
029
030import org.apache.activemq.broker.BrokerService;
031import org.apache.activemq.broker.BrokerServiceAware;
032import org.apache.activemq.transport.TransportServer;
033import org.apache.activemq.transport.tcp.SslTransportFactory;
034import org.apache.activemq.transport.tcp.TcpTransport;
035import org.apache.activemq.transport.tcp.TcpTransport.InitBuffer;
036import org.apache.activemq.transport.tcp.TcpTransportFactory;
037import org.apache.activemq.transport.tcp.TcpTransportServer;
038import org.apache.activemq.util.IOExceptionSupport;
039import org.apache.activemq.util.IntrospectionSupport;
040import org.apache.activemq.util.URISupport;
041import org.apache.activemq.wireformat.WireFormat;
042
043
044public class AutoSslTransportFactory extends SslTransportFactory implements BrokerServiceAware  {
045
046    protected BrokerService brokerService;
047    /* (non-Javadoc)
048     * @see org.apache.activemq.broker.BrokerServiceAware#setBrokerService(org.apache.activemq.broker.BrokerService)
049     */
050    @Override
051    public void setBrokerService(BrokerService brokerService) {
052        this.brokerService = brokerService;
053    }
054
055    private Set<String> enabledProtocols;
056
057    /**
058     * Overriding to use SslTransportServer and allow for proper reflection.
059     */
060    @Override
061    public TransportServer doBind(final URI location) throws IOException {
062        try {
063            Map<String, String> options = new HashMap<String, String>(URISupport.parseParameters(location));
064
065            Map<String, Object> autoProperties = IntrospectionSupport.extractProperties(options, "auto.");
066            this.enabledProtocols = AutoTransportUtils.parseProtocols((String) autoProperties.get("protocols"));
067
068            ServerSocketFactory serverSocketFactory = createServerSocketFactory();
069            AutoSslTransportServer server = createAutoSslTransportServer(location, (SSLServerSocketFactory)serverSocketFactory);
070            if (options.get("allowLinkStealing") != null){
071                allowLinkStealingSet = true;
072            }
073            IntrospectionSupport.setProperties(server, options);
074            server.setAutoTransportOptions(IntrospectionSupport.extractProperties(options, "auto."));
075            server.setTransportOption(IntrospectionSupport.extractProperties(options, "transport."));
076            server.setWireFormatOptions(AutoTransportUtils.extractWireFormatOptions(options));
077            server.bind();
078
079            return server;
080        } catch (URISyntaxException e) {
081            throw IOExceptionSupport.create(e);
082        }
083    }
084
085    boolean allowLinkStealingSet = false;
086
087    /**
088     * Allows subclasses of SslTransportFactory to create custom instances of
089     * SslTransportServer.
090     *
091     * @param location
092     * @param serverSocketFactory
093     * @return
094     * @throws IOException
095     * @throws URISyntaxException
096     */
097    protected AutoSslTransportServer createAutoSslTransportServer(final URI location, SSLServerSocketFactory serverSocketFactory) throws IOException, URISyntaxException {
098        AutoSslTransportServer server = new AutoSslTransportServer(this, location, serverSocketFactory,
099                this.brokerService, enabledProtocols) {
100
101            @Override
102            protected TcpTransport createTransport(Socket socket, WireFormat format,
103                    TcpTransportFactory detectedTransportFactory, InitBuffer initBuffer) throws IOException {
104                setDefaultLinkStealing(format, this);
105                return super.createTransport(socket, format, detectedTransportFactory, initBuffer);
106            }
107        };
108        return server;
109    }
110
111    private void setDefaultLinkStealing(WireFormat format, TcpTransportServer server) {
112        if (format.getClass().toString().contains("MQTT") && !allowLinkStealingSet) {
113            server.setAllowLinkStealing(true);
114        }
115    }
116
117}