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/*
* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.IOException;
import java.net.InetSocketAddress;
import java.net.SocketException;
import java.util.ArrayList;
import java.util.List;
import javax.net.ssl.SNIHostName;
import javax.net.ssl.SNIServerName;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLParameters;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
/*
* A JDK client based on SSLSocket.
*/
public class JdkClient extends AbstractClient {
protected final int timeout;
protected final String request;
protected final boolean readResponse;
protected final ConnectionInterceptor interceptor;
protected final SSLContext context;
protected final SSLSocket socket;
public JdkClient(Builder builder) throws Exception {
timeout = builder.getTimeout() * 1000;
request = builder.getMessage();
readResponse = builder.isReadResponse();
interceptor = builder.getInterceptor();
context = getContext(builder);
socket = (SSLSocket) context.getSocketFactory().createSocket();
configClientSocket(builder);
}
protected SSLContext getContext(Builder builder) throws Exception {
return builder.getContext() == null
? Utilities.createSSLContext(builder.getCertTuple())
: builder.getContext();
}
protected void configClientSocket(Builder builder) throws SocketException {
socket.setSoTimeout(timeout);
if (builder.getProtocols() != null) {
socket.setEnabledProtocols(Utilities.enumsToStrs(protocol -> {
return JdkUtils.protocol((Protocol) protocol);
}, builder.getProtocols()));
}
if (builder.getCipherSuites() != null) {
socket.setEnabledCipherSuites(
Utilities.enumsToStrs(builder.getCipherSuites()));
}
SSLParameters sslParams = socket.getSSLParameters();
if (builder.getServerNames() != null) {
List<SNIServerName> serverNames = new ArrayList<>();
for(String bufServerName : builder.getServerNames()) {
serverNames.add(new SNIHostName(bufServerName));
}
sslParams.setServerNames(serverNames);
}
if (builder.getAppProtocols() != null) {
sslParams.setApplicationProtocols(builder.getAppProtocols());
}
socket.setSSLParameters(sslParams);
}
public static class Builder extends AbstractClient.Builder {
private ConnectionInterceptor interceptor;
private SSLContext context;
public ConnectionInterceptor getInterceptor() {
return interceptor;
}
public Builder setInterceptor(ConnectionInterceptor interceptor) {
this.interceptor = interceptor;
return this;
}
public SSLContext getContext() {
return context;
}
public Builder setContext(SSLContext context) {
this.context = context;
return this;
}
@Override
public JdkClient build() throws Exception {
return new JdkClient(this);
}
}
@Override
public Product getProduct() {
return Jdk.DEFAULT;
}
public SSLSession getSession() {
return socket.getSession();
}
@Override
public void connect(String host, int port) throws IOException {
socket.connect(new InetSocketAddress(host, port), timeout);
System.out.println("Client connected");
Utilities.writeOut(socket.getOutputStream(), request);
System.out.printf("Client sent request: [%s]%n", request);
if (readResponse) {
String response = Utilities.readIn(socket.getInputStream());
System.out.printf("Client received response: [%s]%n", response);
}
if (interceptor != null) {
interceptor.beforeExit(socket);
}
}
@Override
public String getNegoAppProtocol() throws SSLTestException {
return socket.getApplicationProtocol();
}
public void close() throws IOException {
if (!socket.isClosed()) {
socket.close();
}
}
}
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