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/*
* Copyright (c) 2016, 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.net.Socket;
import java.security.Principal;
import java.security.PrivateKey;
import java.security.cert.X509Certificate;
import javax.net.ssl.SSLEngine;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.X509ExtendedKeyManager;
public class MyX509ExtendedKeyManager extends X509ExtendedKeyManager {
static final String ERROR = "ERROR";
X509ExtendedKeyManager akm;
String expectedAP;
boolean doCheck = true;
MyX509ExtendedKeyManager(X509ExtendedKeyManager akm) {
this.akm = akm;
}
public MyX509ExtendedKeyManager(
X509ExtendedKeyManager akm, String expectedAP, boolean doCheck) {
this.akm = akm;
this.expectedAP = expectedAP;
this.doCheck = doCheck;
}
@Override
public String[] getClientAliases(String keyType, Principal[] issuers) {
return akm.getClientAliases(keyType, issuers);
}
@Override
public String chooseClientAlias(String[] keyType, Principal[] issuers,
Socket socket) {
String nap = ((SSLSocket) socket).getHandshakeApplicationProtocol();
checkALPN(nap);
return akm.chooseClientAlias(keyType, issuers, socket);
}
@Override
public String[] getServerAliases(String keyType, Principal[] issuers) {
return akm.getServerAliases(keyType, issuers);
}
@Override
public String chooseServerAlias(String keyType, Principal[] issuers,
Socket socket) {
String nap = ((SSLSocket) socket).getHandshakeApplicationProtocol();
checkALPN(nap);
return akm.chooseServerAlias(keyType, issuers, socket);
}
@Override
public X509Certificate[] getCertificateChain(String alias) {
return akm.getCertificateChain(alias);
}
@Override
public PrivateKey getPrivateKey(String alias) {
return akm.getPrivateKey(alias);
}
@Override
public String chooseEngineClientAlias(String[] keyType, Principal[] issuers,
SSLEngine engine) {
String nap = engine.getHandshakeApplicationProtocol();
checkALPN(nap);
return akm.chooseEngineClientAlias(keyType, issuers, engine);
}
@Override
public String chooseEngineServerAlias(String keyType, Principal[] issuers,
SSLEngine engine) {
String nap = engine.getHandshakeApplicationProtocol();
checkALPN(nap);
return akm.chooseEngineServerAlias(keyType, issuers, engine);
}
private void checkALPN(String ap) {
if (!doCheck) {
System.out.println("Skipping KeyManager checks " +
"because a callback has been registered");
return;
}
if (ERROR.equals(expectedAP)) {
throw new RuntimeException("Should not reach here");
}
System.out.println("Expected ALPN value: " + expectedAP
+ " Got: " + ap);
if (ap == null) {
throw new RuntimeException(
"ALPN should be negotiated, but null was received");
}
if (expectedAP.equals("NONE")) {
if (!ap.isEmpty()) {
throw new RuntimeException("Expected no ALPN value");
} else {
System.out.println("No ALPN value negotiated, as expected");
}
} else if (!expectedAP.equals(ap)) {
throw new RuntimeException(expectedAP
+ " ALPN value not available on negotiated connection");
}
}
}
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