/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2008-2009 Sun Microsystems, Inc.
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* Portions Copyright 2009 Parametric Technology Corporation (PTC)
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* Portions Copyright 2014-2015 ForgeRock AS.
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*/
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package org.opends.admin.ads.util;
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import java.net.Socket;
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import java.security.KeyStore;
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import java.security.KeyStoreException;
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import java.security.NoSuchAlgorithmException;
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import java.security.NoSuchProviderException;
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import java.security.Principal;
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import java.security.PrivateKey;
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import java.security.UnrecoverableKeyException;
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import java.security.cert.X509Certificate;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import javax.net.ssl.KeyManager;
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import javax.net.ssl.KeyManagerFactory;
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import javax.net.ssl.TrustManagerFactory;
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import javax.net.ssl.X509KeyManager;
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import org.opends.server.util.Platform;
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/**
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* This class is in charge of checking whether the certificates that are
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* presented are trusted or not.
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* This implementation tries to check also that the subject DN of the
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* certificate corresponds to the host passed using the setHostName method.
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*
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* The constructor tries to use a default TrustManager from the system and if
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* it cannot be retrieved this class will only accept the certificates
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* explicitly accepted by the user (and specified by calling acceptCertificate).
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*
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* NOTE: this class is not aimed to be used when we have connections in parallel.
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*/
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public class ApplicationKeyManager implements X509KeyManager
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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/**
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* The default keyManager.
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*/
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private X509KeyManager keyManager;
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/**
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* The default constructor.
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* @param keystore The keystore to use for this keymanager.
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* @param password The keystore password to use for this keymanager.
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*/
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public ApplicationKeyManager(KeyStore keystore, char[] password)
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{
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KeyManagerFactory kmf = null;
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String userSpecifiedAlgo =
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System.getProperty("org.opends.admin.keymanageralgo");
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String userSpecifiedProvider =
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System.getProperty("org.opends.admin.keymanagerprovider");
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//Handle IBM specific cases if the user did not specify a algorithm and/or
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//provider.
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if(userSpecifiedAlgo == null && Platform.isVendor("IBM"))
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{
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userSpecifiedAlgo = "IbmX509";
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}
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if(userSpecifiedProvider == null && Platform.isVendor("IBM"))
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{
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userSpecifiedProvider = "IBMJSSE2";
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}
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// Have some fallbacks to choose the provider and algorith of the key
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// manager. First see if the user wanted to use something specific,
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// then try with the SunJSSE provider and SunX509 algorithm. Finally,
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// fallback to the default algorithm of the JVM.
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String[] preferredProvider =
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{ userSpecifiedProvider, "SunJSSE", null, null };
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String[] preferredAlgo =
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{ userSpecifiedAlgo, "SunX509", "SunX509",
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TrustManagerFactory.getDefaultAlgorithm() };
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for (int i=0; i<preferredProvider.length && keyManager == null; i++)
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{
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String provider = preferredProvider[i];
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String algo = preferredAlgo[i];
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if (algo == null)
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{
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continue;
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}
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try
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{
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if (provider != null)
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{
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kmf = KeyManagerFactory.getInstance(algo, provider);
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}
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else
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{
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kmf = KeyManagerFactory.getInstance(algo);
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}
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kmf.init(keystore, password);
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KeyManager kms[] = kmf.getKeyManagers();
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/*
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* Iterate over the returned keymanagers, look for an instance
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* of X509KeyManager. If found, use that as our "default" key
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* manager.
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*/
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for (int j = 0; j < kms.length; j++)
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{
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if (kms[i] instanceof X509KeyManager)
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{
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keyManager = (X509KeyManager) kms[j];
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break;
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}
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}
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}
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catch (NoSuchAlgorithmException e)
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{
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// Nothing to do. Maybe we should avoid this and be strict, but we are
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// in a best effort mode.
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logger.warn(LocalizableMessage.raw("Error with the algorithm", e));
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}
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catch (KeyStoreException e)
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{
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// Nothing to do. Maybe we should avoid this and be strict, but we are
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// in a best effort mode.
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logger.warn(LocalizableMessage.raw("Error with the keystore", e));
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}
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catch (UnrecoverableKeyException e)
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{
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// Nothing to do. Maybe we should avoid this and be strict, but we are
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// in a best effort mode.
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logger.warn(LocalizableMessage.raw("Error with the key", e));
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}
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catch (NoSuchProviderException e)
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{
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// Nothing to do. Maybe we should avoid this and be strict, but we are
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// in a best effort mode.
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logger.warn(LocalizableMessage.raw("Error with the provider", e));
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}
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}
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}
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/**
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* Choose an alias to authenticate the client side of a secure
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* socket given the public key type and the list of certificate
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* issuer authorities recognized by the peer (if any).
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*
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* @param keyType
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* the key algorithm type name(s), ordered with the
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* most-preferred key type first.
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* @param issuers
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* the list of acceptable CA issuer subject names or null
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* if it does not matter which issuers are used.
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* @param socket
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* the socket to be used for this connection. This
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* parameter can be null, in which case this method will
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* return the most generic alias to use.
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* @return the alias name for the desired key, or null if there are
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* no matches.
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*/
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public String chooseClientAlias(String[] keyType, Principal[] issuers,
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Socket socket)
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{
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if (keyManager != null)
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{
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return keyManager.chooseClientAlias(keyType, issuers, socket);
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}
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return null;
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}
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/**
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* Choose an alias to authenticate the client side of a secure
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* socket given the public key type and the list of certificate
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* issuer authorities recognized by the peer (if any).
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*
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* @param keyType
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* the key algorithm type name(s), ordered with the
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* most-preferred key type first.
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* @param issuers
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* the list of acceptable CA issuer subject names or null
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* if it does not matter which issuers are used.
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* @param socket
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* the socket to be used for this connection. This
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* parameter can be null, in which case this method will
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* return the most generic alias to use.
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* @return the alias name for the desired key, or null if there are
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* no matches.
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*/
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public String chooseServerAlias(String keyType, Principal[] issuers,
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Socket socket)
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{
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if (keyManager != null)
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{
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return keyManager.chooseServerAlias(keyType, issuers, socket);
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}
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return null;
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}
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/**
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* Returns the certificate chain associated with the given alias.
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*
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* @param alias
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* the alias name
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* @return the certificate chain (ordered with the user's
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* certificate first and the root certificate authority
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* last), or null if the alias can't be found.
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*/
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public X509Certificate[] getCertificateChain(String alias)
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{
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if (keyManager != null)
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{
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return keyManager.getCertificateChain(alias);
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}
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return null;
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}
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/**
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* Get the matching aliases for authenticating the server side of a
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* secure socket given the public key type and the list of
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* certificate issuer authorities recognized by the peer (if any).
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*
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* @param keyType
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* the key algorithm type name
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* @param issuers
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* the list of acceptable CA issuer subject names or null
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* if it does not matter which issuers are used.
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* @return an array of the matching alias names, or null if there
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* were no matches.
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*/
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public String[] getClientAliases(String keyType, Principal[] issuers)
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{
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if (keyManager != null)
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{
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return keyManager.getClientAliases(keyType, issuers);
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}
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return null;
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}
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/**
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* Returns the key associated with the given alias.
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*
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* @param alias
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* the alias name
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* @return the requested key, or null if the alias can't be found.
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*/
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public PrivateKey getPrivateKey(String alias)
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{
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if (keyManager != null)
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{
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return keyManager.getPrivateKey(alias);
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}
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return null;
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}
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/**
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* Get the matching aliases for authenticating the server side of a
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* secure socket given the public key type and the list of
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* certificate issuer authorities recognized by the peer (if any).
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*
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* @param keyType
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* the key algorithm type name
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* @param issuers
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* the list of acceptable CA issuer subject names or null
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* if it does not matter which issuers are used.
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* @return an array of the matching alias names, or null if there
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* were no matches.
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*/
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public String[] getServerAliases(String keyType, Principal[] issuers)
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{
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if (keyManager != null)
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{
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return keyManager.getServerAliases(keyType, issuers);
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}
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return null;
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}
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}
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