/**
* 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.activemq.transport.mqtt;
import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.security.ProtectionDomain;
import java.security.SecureRandom;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.TimeUnit;
import javax.jms.JMSException;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.net.ssl.KeyManager;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerPlugin;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.TransportConnector;
import org.apache.activemq.broker.jmx.BrokerViewMBean;
import org.apache.activemq.broker.jmx.QueueViewMBean;
import org.apache.activemq.broker.jmx.TopicViewMBean;
import org.apache.activemq.transport.mqtt.util.ResourceLoadingSslContext;
import org.fusesource.mqtt.client.MQTT;
import org.fusesource.mqtt.client.Tracer;
import org.fusesource.mqtt.codec.MQTTFrame;
import org.junit.After;
import org.junit.Before;
import org.junit.Rule;
import org.junit.rules.TestName;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MQTTTestSupport {
private static final Logger LOG = LoggerFactory.getLogger(MQTTTestSupport.class);
protected BrokerService brokerService;
protected int port;
protected String jmsUri = "vm://localhost";
protected ActiveMQConnectionFactory cf;
protected LinkedList<Throwable> exceptions = new LinkedList<Throwable>();
protected boolean persistent;
protected String protocolConfig;
protected String protocolScheme;
protected boolean useSSL;
public static final int AT_MOST_ONCE = 0;
public static final int AT_LEAST_ONCE = 1;
public static final int EXACTLY_ONCE = 2;
@Rule public TestName name = new TestName();
public File basedir() throws IOException {
ProtectionDomain protectionDomain = getClass().getProtectionDomain();
return new File(new File(protectionDomain.getCodeSource().getLocation().getPath()), "../..").getCanonicalFile();
}
public MQTTTestSupport() {
this.protocolScheme = "mqtt";
this.useSSL = false;
}
public MQTTTestSupport(String connectorScheme, boolean useSSL) {
this.protocolScheme = connectorScheme;
this.useSSL = useSSL;
}
public String getName() {
return name.getMethodName();
}
@Before
public void setUp() throws Exception {
String basedir = basedir().getPath();
System.setProperty("javax.net.ssl.trustStore", basedir + "/src/test/resources/client.keystore");
System.setProperty("javax.net.ssl.trustStorePassword", "password");
System.setProperty("javax.net.ssl.trustStoreType", "jks");
System.setProperty("javax.net.ssl.keyStore", basedir + "/src/test/resources/server.keystore");
System.setProperty("javax.net.ssl.keyStorePassword", "password");
System.setProperty("javax.net.ssl.keyStoreType", "jks");
exceptions.clear();
startBroker();
}
@After
public void tearDown() throws Exception {
stopBroker();
}
public void startBroker() throws Exception {
createBroker();
applyBrokerPolicies();
applyMemoryLimitPolicy();
// Setup SSL context...
File keyStore = new File(basedir(), "src/test/resources/server.keystore");
File trustStore = new File(basedir(), "src/test/resources/client.keystore");
final ResourceLoadingSslContext sslContext = new ResourceLoadingSslContext();
sslContext.setKeyStore(keyStore.getCanonicalPath());
sslContext.setKeyStorePassword("password");
sslContext.setTrustStore(trustStore.getCanonicalPath());
sslContext.setTrustStorePassword("password");
sslContext.afterPropertiesSet();
brokerService.setSslContext(sslContext);
addMQTTConnector();
addOpenWireConnector();
cf = new ActiveMQConnectionFactory(jmsUri);
ArrayList<BrokerPlugin> plugins = new ArrayList<BrokerPlugin>();
createPlugins(plugins);
BrokerPlugin authenticationPlugin = configureAuthentication();
if (authenticationPlugin != null) {
plugins.add(configureAuthorization());
}
BrokerPlugin authorizationPlugin = configureAuthorization();
if (authorizationPlugin != null) {
plugins.add(configureAuthentication());
}
if (!plugins.isEmpty()) {
BrokerPlugin[] array = new BrokerPlugin[plugins.size()];
brokerService.setPlugins(plugins.toArray(array));
}
brokerService.start();
brokerService.waitUntilStarted();
port = brokerService.getTransportConnectorByName("mqtt").getConnectUri().getPort();
}
protected void applyMemoryLimitPolicy() throws Exception {
}
protected void createBroker() throws Exception {
brokerService = new BrokerService();
brokerService.setPersistent(isPersistent());
brokerService.setAdvisorySupport(false);
brokerService.setSchedulerSupport(isSchedulerSupportEnabled());
brokerService.setPopulateJMSXUserID(true);
}
/**
* Allows a subclass to add additional broker plugins during the broker startup
* process. This method should not add Authorization or Authentication plugins
* as those are handled by the configureAuthentication and configureAuthorization
* methods later.
*
* @param plugins
* The List object to add Plugins for installation into the new Broker.
*
* @throws Exception if an error occurs during the plugin creation process.
*/
protected void createPlugins(List<BrokerPlugin> plugins) throws Exception {
// NOOP
}
protected BrokerPlugin configureAuthentication() throws Exception {
return null;
}
protected BrokerPlugin configureAuthorization() throws Exception {
return null;
}
protected void applyBrokerPolicies() throws Exception {
// NOOP here
}
protected void addOpenWireConnector() throws Exception {
TransportConnector connector = brokerService.addConnector("tcp://0.0.0.0:0");
jmsUri = connector.getPublishableConnectString();
}
protected void addMQTTConnector() throws Exception {
// Overrides of this method can add additional configuration options or add multiple
// MQTT transport connectors as needed, the port variable is always supposed to be
// assigned the primary MQTT connector's port.
StringBuilder connectorURI = new StringBuilder();
connectorURI.append(getProtocolScheme());
connectorURI.append("://0.0.0.0:").append(port);
if (protocolConfig != null && !protocolConfig.isEmpty()) {
connectorURI.append("?").append(protocolConfig);
}
TransportConnector connector = new TransportConnector();
connector.setUri(new URI(connectorURI.toString()));
connector.setName("mqtt");
brokerService.addConnector(connector);
LOG.info("Added connector {} to broker", getProtocolScheme());
}
public void stopBroker() throws Exception {
if (brokerService != null) {
brokerService.stop();
brokerService.waitUntilStopped();
brokerService = null;
}
}
protected String getQueueName() {
return getClass().getName() + "." + name.getMethodName();
}
protected String getTopicName() {
return getClass().getName() + "." + name.getMethodName();
}
protected BrokerViewMBean getProxyToBroker() throws MalformedObjectNameException, JMSException {
ObjectName brokerViewMBean = new ObjectName(
"org.apache.activemq:type=Broker,brokerName=localhost");
BrokerViewMBean proxy = (BrokerViewMBean) brokerService.getManagementContext()
.newProxyInstance(brokerViewMBean, BrokerViewMBean.class, true);
return proxy;
}
protected QueueViewMBean getProxyToQueue(String name) throws MalformedObjectNameException, JMSException {
ObjectName queueViewMBeanName = new ObjectName("org.apache.activemq:type=Broker,brokerName=localhost,destinationType=Queue,destinationName="+name);
QueueViewMBean proxy = (QueueViewMBean) brokerService.getManagementContext()
.newProxyInstance(queueViewMBeanName, QueueViewMBean.class, true);
return proxy;
}
protected TopicViewMBean getProxyToTopic(String name) throws MalformedObjectNameException, JMSException {
ObjectName topicViewMBeanName = new ObjectName("org.apache.activemq:type=Broker,brokerName=localhost,destinationType=Topic,destinationName="+name);
TopicViewMBean proxy = (TopicViewMBean) brokerService.getManagementContext()
.newProxyInstance(topicViewMBeanName, TopicViewMBean.class, true);
return proxy;
}
/**
* Initialize an MQTTClientProvider instance. By default this method uses the port that's
* assigned to be the TCP based port using the base version of addMQTTConnector. A subclass
* can either change the value of port or override this method to assign the correct port.
*
* @param provider
* the MQTTClientProvider instance to initialize.
*
* @throws Exception if an error occurs during initialization.
*/
protected void initializeConnection(MQTTClientProvider provider) throws Exception {
if (!isUseSSL()) {
provider.connect("tcp://localhost:" + port);
} else {
SSLContext ctx = SSLContext.getInstance("TLS");
ctx.init(new KeyManager[0], new TrustManager[] { new DefaultTrustManager() }, new SecureRandom());
provider.setSslContext(ctx);
provider.connect("ssl://localhost:" + port);
}
}
public String getProtocolScheme() {
return protocolScheme;
}
public void setProtocolScheme(String scheme) {
this.protocolScheme = scheme;
}
public boolean isUseSSL() {
return this.useSSL;
}
public void setUseSSL(boolean useSSL) {
this.useSSL = useSSL;
}
public boolean isPersistent() {
return persistent;
}
public int getPort() {
return this.port;
}
public boolean isSchedulerSupportEnabled() {
return false;
}
protected static interface Task {
public void run() throws Exception;
}
protected void within(int time, TimeUnit unit, Task task) throws InterruptedException {
long timeMS = unit.toMillis(time);
long deadline = System.currentTimeMillis() + timeMS;
while (true) {
try {
task.run();
return;
} catch (Throwable e) {
long remaining = deadline - System.currentTimeMillis();
if( remaining <=0 ) {
if( e instanceof RuntimeException ) {
throw (RuntimeException)e;
}
if( e instanceof Error ) {
throw (Error)e;
}
throw new RuntimeException(e);
}
Thread.sleep(Math.min(timeMS/10, remaining));
}
}
}
protected MQTTClientProvider getMQTTClientProvider() {
return new FuseMQTTClientProvider();
}
protected MQTT createMQTTConnection() throws Exception {
return createMQTTConnection(null, false);
}
protected MQTT createMQTTConnection(String clientId, boolean clean) throws Exception {
if (isUseSSL()) {
return createMQTTSslConnection(clientId, clean);
} else {
return createMQTTTcpConnection(clientId, clean);
}
}
private MQTT createMQTTTcpConnection(String clientId, boolean clean) throws Exception {
MQTT mqtt = new MQTT();
mqtt.setConnectAttemptsMax(1);
mqtt.setReconnectAttemptsMax(0);
mqtt.setTracer(createTracer());
if (clientId != null) {
mqtt.setClientId(clientId);
}
mqtt.setCleanSession(clean);
mqtt.setHost("localhost", port);
return mqtt;
}
private MQTT createMQTTSslConnection(String clientId, boolean clean) throws Exception {
MQTT mqtt = new MQTT();
mqtt.setConnectAttemptsMax(1);
mqtt.setReconnectAttemptsMax(0);
mqtt.setTracer(createTracer());
mqtt.setHost("ssl://localhost:" + port);
if (clientId != null) {
mqtt.setClientId(clientId);
}
mqtt.setCleanSession(clean);
SSLContext ctx = SSLContext.getInstance("TLS");
ctx.init(new KeyManager[0], new TrustManager[] { new DefaultTrustManager() }, new SecureRandom());
mqtt.setSslContext(ctx);
return mqtt;
}
protected Tracer createTracer() {
return new Tracer() {
@Override
public void onReceive(MQTTFrame frame) {
LOG.info("Client Received:\n" + frame);
}
@Override
public void onSend(MQTTFrame frame) {
LOG.info("Client Sent:\n" + frame);
}
@Override
public void debug(String message, Object... args) {
LOG.info(String.format(message, args));
}
};
}
static class DefaultTrustManager implements X509TrustManager {
@Override
public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
}
@Override
public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
}
@Override
public X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[0];
}
}
}