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.TcpTransportFactory;
036import org.apache.activemq.transport.tcp.TcpTransportServer;
037import org.apache.activemq.util.IOExceptionSupport;
038import org.apache.activemq.util.IntrospectionSupport;
039import org.apache.activemq.util.URISupport;
040import org.apache.activemq.wireformat.WireFormat;
041
042
043public class AutoSslTransportFactory extends SslTransportFactory implements BrokerServiceAware  {
044
045    protected BrokerService brokerService;
046    /* (non-Javadoc)
047     * @see org.apache.activemq.broker.BrokerServiceAware#setBrokerService(org.apache.activemq.broker.BrokerService)
048     */
049    @Override
050    public void setBrokerService(BrokerService brokerService) {
051        this.brokerService = brokerService;
052    }
053
054    private Set<String> enabledProtocols;
055
056    /**
057     * Overriding to use SslTransportServer and allow for proper reflection.
058     */
059    @Override
060    public TransportServer doBind(final URI location) throws IOException {
061        try {
062            Map<String, String> options = new HashMap<String, String>(URISupport.parseParameters(location));
063
064            Map<String, Object> autoProperties = IntrospectionSupport.extractProperties(options, "auto.");
065            this.enabledProtocols = AutoTransportUtils.parseProtocols((String) autoProperties.get("protocols"));
066
067            ServerSocketFactory serverSocketFactory = createServerSocketFactory();
068            AutoSslTransportServer server = createAutoSslTransportServer(location, (SSLServerSocketFactory)serverSocketFactory);
069            if (options.get("allowLinkStealing") != null){
070                allowLinkStealingSet = true;
071            }
072            IntrospectionSupport.setProperties(server, options);
073            server.setAutoTransportOptions(IntrospectionSupport.extractProperties(options, "auto."));
074            server.setTransportOption(IntrospectionSupport.extractProperties(options, "transport."));
075            server.setWireFormatOptions(AutoTransportUtils.extractWireFormatOptions(options));
076            server.bind();
077
078            return server;
079        } catch (URISyntaxException e) {
080            throw IOExceptionSupport.create(e);
081        }
082    }
083
084    boolean allowLinkStealingSet = false;
085
086    /**
087     * Allows subclasses of SslTransportFactory to create custom instances of
088     * SslTransportServer.
089     *
090     * @param location
091     * @param serverSocketFactory
092     * @return
093     * @throws IOException
094     * @throws URISyntaxException
095     */
096    protected AutoSslTransportServer createAutoSslTransportServer(final URI location, SSLServerSocketFactory serverSocketFactory) throws IOException, URISyntaxException {
097        AutoSslTransportServer server = new AutoSslTransportServer(this, location, serverSocketFactory,
098                this.brokerService, enabledProtocols) {
099            @Override
100            protected TcpTransport createTransport(Socket socket, WireFormat format)
101                    throws IOException {
102                setDefaultLinkStealing(format, this);
103                return super.createTransport(socket, format);
104            }
105
106            @Override
107            protected TcpTransport createTransport(Socket socket, WireFormat format,
108                    TcpTransportFactory detectedTransportFactory) throws IOException {
109                setDefaultLinkStealing(format, this);
110                return super.createTransport(socket, format, detectedTransportFactory);
111            }
112        };
113        return server;
114    }
115
116    private void setDefaultLinkStealing(WireFormat format, TcpTransportServer server) {
117        if (format.getClass().toString().contains("MQTT") && !allowLinkStealingSet) {
118            server.setAllowLinkStealing(true);
119        }
120    }
121
122}