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/*
* Copyright (c) 2020, 2024, 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.InetAddress;
import java.net.SocketException;
import java.util.ArrayList;
import java.util.List;
import javax.net.ssl.SNIHostName;
import javax.net.ssl.SNIMatcher;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLParameters;
import javax.net.ssl.SSLServerSocket;
import javax.net.ssl.SSLServerSocketFactory;
import javax.net.ssl.SSLSession;
import javax.net.ssl.SSLSocket;
/*
* A JDK server based on SSLServerSocket.
*/
public class JdkServer extends AbstractServer {
protected final String response;
protected final SSLServerSocket serverSocket;
protected final SSLContext context;
private SSLSocket socket;
public JdkServer(Builder builder) throws Exception {
response = builder.getMessage();
context = Utilities.createSSLContext(builder.getCertTuple());
SSLServerSocketFactory serverFactory = context.getServerSocketFactory();
serverSocket
= (SSLServerSocket) serverFactory.createServerSocket(builder.getPort(),
0, builder.getListenInterface());
configServerSocket(builder);
}
protected void configServerSocket(Builder builder) throws SocketException {
serverSocket.setSoTimeout(builder.getTimeout() * 1000);
if (builder.getProtocols() != null) {
serverSocket.setEnabledProtocols(Utilities.enumsToStrs(protocol -> {
return JdkUtils.protocol((Protocol) protocol);
}, builder.getProtocols()));
}
if (builder.getCipherSuites() != null) {
serverSocket.setEnabledCipherSuites(
Utilities.enumsToStrs(builder.getCipherSuites()));
}
serverSocket.setNeedClientAuth(builder.getClientAuth());
SSLParameters sslParams = serverSocket.getSSLParameters();
if (builder.getServerNames() != null) {
List<SNIMatcher> matchers = new ArrayList<>();
for(String bufServerName : builder.getServerNames()) {
matchers.add(SNIHostName.createSNIMatcher(bufServerName));
}
sslParams.setSNIMatchers(matchers);
}
if (builder.getAppProtocols() != null) {
sslParams.setApplicationProtocols(builder.getAppProtocols());
for (String appProtocol : sslParams.getApplicationProtocols()) {
System.out.println("appProtocol: " + appProtocol);
}
}
serverSocket.setSSLParameters(sslParams);
}
public static class Builder extends AbstractServer.Builder {
@Override
public JdkServer build() throws Exception {
return new JdkServer(this);
}
}
@Override
public Product getProduct() {
return Jdk.DEFAULT;
}
@Override
public int getPort() {
return serverSocket.getLocalPort();
}
@Override
public void accept() throws IOException {
while (true) {
try (SSLSocket socket = (SSLSocket) serverSocket.accept()) {
this.socket = socket;
System.out.println("Server accepted connection");
String request = Utilities.readIn(socket.getInputStream());
System.out.printf("Server received request: [%s]%n", request);
if (response != null) {
Utilities.writeOut(socket.getOutputStream(), response);
System.out.printf("Server sent response: [%s]%n", response);
}
}
}
}
private synchronized SSLSocket getSocket() {
return socket;
}
public SSLSession getSession() {
return getSocket().getSession();
}
@Override
public String getNegoAppProtocol() throws SSLTestException {
return getSocket().getApplicationProtocol();
}
@Override
public boolean isAlive() {
return !serverSocket.isClosed();
}
@Override
public void close() throws IOException {
if (!serverSocket.isClosed()) {
serverSocket.close();
}
}
}
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