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/**
* 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;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import java.security.KeyStore;
import java.security.SecureRandom;
import javax.jms.JMSException;
import javax.net.ssl.KeyManager;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import org.apache.activemq.broker.SslContext;
import org.apache.activemq.transport.Transport;
import org.apache.activemq.util.JMSExceptionSupport;
/**
* An ActiveMQConnectionFactory that allows access to the key and trust managers
* used for SslConnections. There is no reason to use this class unless SSL is
* being used AND the key and trust managers need to be specified from within
* code. In fact, if the URI passed to this class does not have an "ssl" scheme,
* this class will pass all work on to its superclass.
*
* There are two alternative approaches you can use to provide X.509
* certificates for the SSL connections:
*
* Call setTrustStore, setTrustStorePassword,
* setKeyStore, and setKeyStorePassword.
*
* Call setKeyAndTrustManagers.
*
* @author [email protected]
*/
public class ActiveMQSslConnectionFactory extends ActiveMQConnectionFactory {
// The key and trust managers used to initialize the used SSLContext.
protected KeyManager[] keyManager;
protected TrustManager[] trustManager;
protected SecureRandom secureRandom;
protected String trustStoreType = KeyStore.getDefaultType();
protected String trustStore;
protected String trustStorePassword;
protected String keyStoreType = KeyStore.getDefaultType();
protected String keyStore;
protected String keyStorePassword;
protected String keyStoreKeyPassword;
public ActiveMQSslConnectionFactory() {
super();
}
public ActiveMQSslConnectionFactory(String brokerURL) {
super(brokerURL);
}
public ActiveMQSslConnectionFactory(URI brokerURL) {
super(brokerURL);
}
/**
* Sets the key and trust managers used when creating SSL connections.
*
* @param km
* The KeyManagers used.
* @param tm
* The TrustManagers used.
* @param random
* The SecureRandom number used.
*/
public void setKeyAndTrustManagers(final KeyManager[] km, final TrustManager[] tm, final SecureRandom random) {
keyManager = km;
trustManager = tm;
secureRandom = random;
}
/**
* Overriding to make special considerations for SSL connections. If we are
* not using SSL, the superclass's method is called. If we are using SSL, an
* SslConnectionFactory is used and it is given the needed key and trust
* managers.
*
* @author [email protected]
*/
@Override
protected Transport createTransport() throws JMSException {
SslContext existing = SslContext.getCurrentSslContext();
try {
if (keyStore != null || trustStore != null) {
keyManager = createKeyManager();
trustManager = createTrustManager();
}
if (keyManager != null || trustManager != null) {
SslContext.setCurrentSslContext(new SslContext(keyManager, trustManager, secureRandom));
}
return super.createTransport();
} catch (Exception e) {
throw JMSExceptionSupport.create("Could not create Transport. Reason: " + e, e);
} finally {
SslContext.setCurrentSslContext(existing);
}
}
protected TrustManager[] createTrustManager() throws Exception {
TrustManager[] trustStoreManagers = null;
KeyStore trustedCertStore = KeyStore.getInstance(getTrustStoreType());
if (trustStore != null) {
try(InputStream tsStream = getInputStream(trustStore)) {
trustedCertStore.load(tsStream, trustStorePassword != null ? trustStorePassword.toCharArray() : null);
TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
tmf.init(trustedCertStore);
trustStoreManagers = tmf.getTrustManagers();
}
}
return trustStoreManagers;
}
protected KeyManager[] createKeyManager() throws Exception {
KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
KeyStore ks = KeyStore.getInstance(getKeyStoreType());
KeyManager[] keystoreManagers = null;
if (keyStore != null) {
byte[] sslCert = loadClientCredential(keyStore);
if (sslCert != null && sslCert.length > 0) {
try(ByteArrayInputStream bin = new ByteArrayInputStream(sslCert)) {
//A null password may not be allowed depending on implementation
//Check for null so an UnrecoverableKeyException is thrown if not supported or wrong instead of NullPointerException here
final char[] keyStorePass = keyStorePassword != null ? keyStorePassword.toCharArray() : null;
ks.load(bin, keyStorePass);
kmf.init(ks, keyStoreKeyPassword != null ? keyStoreKeyPassword.toCharArray() : keyStorePass);
keystoreManagers = kmf.getKeyManagers();
}
}
}
return keystoreManagers;
}
protected byte[] loadClientCredential(String fileName) throws IOException {
if (fileName == null) {
return null;
}
try(InputStream in = getInputStream(fileName);
ByteArrayOutputStream out = new ByteArrayOutputStream()) {
byte[] buf = new byte[512];
int i = in.read(buf);
while (i > 0) {
out.write(buf, 0, i);
i = in.read(buf);
}
return out.toByteArray();
}
}
protected InputStream getInputStream(String urlOrResource) throws IOException {
try {
File ifile = new File(urlOrResource);
// only open the file if and only if it exists
if (ifile.exists()) {
return new FileInputStream(ifile);
}
} catch (Exception e) {
}
InputStream ins = null;
try {
URL url = new URL(urlOrResource);
ins = url.openStream();
if (ins != null) {
return ins;
}
} catch (MalformedURLException ignore) {
}
// Alternatively, treat as classpath resource
if (ins == null) {
ins = Thread.currentThread().getContextClassLoader().getResourceAsStream(urlOrResource);
}
if (ins == null) {
throw new IOException("Could not load resource: " + urlOrResource);
}
return ins;
}
public String getTrustStoreType() {
return trustStoreType;
}
public void setTrustStoreType(String type) {
trustStoreType = type;
}
public String getTrustStore() {
return trustStore;
}
/**
* The location of a keystore file (in jks format) containing
* one or more trusted certificates.
*
* @param trustStore
* If specified with a scheme, treat as a URL, otherwise treat as
* a classpath resource.
*/
public void setTrustStore(String trustStore) throws Exception {
this.trustStore = trustStore;
trustManager = null;
}
public String getTrustStorePassword() {
return trustStorePassword;
}
/**
* The password to match the trust store specified by {@link setTrustStore}.
*
* @param trustStorePassword
* The password used to unlock the keystore file.
*/
public void setTrustStorePassword(String trustStorePassword) {
this.trustStorePassword = trustStorePassword;
}
public String getKeyStoreType() {
return keyStoreType;
}
public void setKeyStoreType(String type) {
keyStoreType = type;
}
public String getKeyStore() {
return keyStore;
}
/**
* The location of a keystore file (in jks format) containing a
* certificate and its private key.
*
* @param keyStore
* If specified with a scheme, treat as a URL, otherwise treat as
* a classpath resource.
*/
public void setKeyStore(String keyStore) throws Exception {
this.keyStore = keyStore;
keyManager = null;
}
public String getKeyStorePassword() {
return keyStorePassword;
}
/**
* The password to match the key store specified by {@link setKeyStore}.
*
* @param keyStorePassword
* The password, which is used both to unlock the keystore file
* and as the pass phrase for the private key stored in the
* keystore.
*/
public void setKeyStorePassword(String keyStorePassword) {
this.keyStorePassword = keyStorePassword;
}
public String getKeyStoreKeyPassword() {
return keyStoreKeyPassword;
}
/**
* The password to match the key from the keyStore.
*
* @param keyStoreKeyPassword
* The password for the private key stored in the
* keyStore if different from keyStorePassword.
*/
public void setKeyStoreKeyPassword(String keyStoreKeyPassword) {
this.keyStoreKeyPassword = keyStoreKeyPassword;
}
}
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