/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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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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*/
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package com.sun.opends.sdk.tools;
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import java.net.Socket;
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import java.security.*;
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import java.security.cert.X509Certificate;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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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 com.sun.opends.sdk.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. This implementation tries to check also that
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* the subject DN of the certificate corresponds to the host passed using the
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* setHostName method.
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*<p>
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* The constructor tries to use a default TrustManager from the system and if it
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* cannot be retrieved this class will only accept the certificates explicitly
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* accepted by the user (and specified by calling acceptCertificate).
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*<p>
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* NOTE: this class is not aimed to be used when we have connections in
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* parallel.
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*/
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final class ApplicationKeyManager implements X509KeyManager
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{
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static private final Logger LOG = Logger
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.getLogger(ApplicationKeyManager.class.getName());
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/**
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* The default keyManager.
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*/
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private X509KeyManager keyManager = null;
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/**
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* The default constructor.
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*
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* @param keystore
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* The keystore to use for this keymanager.
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* @param password
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* The keystore password to use for this keymanager.
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*/
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ApplicationKeyManager(final KeyStore keystore, final char[] password)
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{
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KeyManagerFactory kmf = null;
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String userSpecifiedAlgo = System
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.getProperty("org.opends.admin.keymanageralgo");
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String userSpecifiedProvider = System
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.getProperty("org.opends.admin.keymanagerprovider");
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// Handle IBM specific cases if the user did not specify a algorithm
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// and/or 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
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// key manager. First see if the user wanted to use something
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// specific, then try with the SunJSSE provider and SunX509
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// algorithm. Finally, fallback to the default algorithm of the JVM.
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final String[] preferredProvider = { userSpecifiedProvider, "SunJSSE",
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null, null };
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final String[] preferredAlgo = { 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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final String provider = preferredProvider[i];
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final 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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final KeyManager kms[] = kmf.getKeyManagers();
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/*
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* Iterate over the returned keymanagers, look for an instance of
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* X509KeyManager. If found, use that as our "default" key manager.
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*/
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for (final KeyManager km : kms)
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{
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if (kms[i] instanceof X509KeyManager)
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{
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keyManager = (X509KeyManager) km;
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break;
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}
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}
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}
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catch (final NoSuchAlgorithmException e)
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{
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// Nothing to do. Maybe we should avoid this and be strict, but
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// we are in a best effor mode.
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LOG.log(Level.WARNING, "Error with the algorithm", e);
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}
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catch (final KeyStoreException e)
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{
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// Nothing to do. Maybe we should avoid this and be strict, but
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// we are in a best effor mode..
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LOG.log(Level.WARNING, "Error with the keystore", e);
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}
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catch (final UnrecoverableKeyException e)
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{
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// Nothing to do. Maybe we should avoid this and be strict, but
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// we are in a best effor mode.
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LOG.log(Level.WARNING, "Error with the key", e);
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}
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catch (final NoSuchProviderException e)
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{
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// Nothing to do. Maybe we should avoid this and be strict, but
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// we are in a best effor mode.
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LOG.log(Level.WARNING, "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 socket given
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* the public key type and the list of certificate issuer authorities
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* 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 most-preferred
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* key type first.
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* @param issuers
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* the list of acceptable CA issuer subject names or null if it does
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* 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 parameter can be
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* null, in which case this method will return the most generic alias
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* to use.
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* @return the alias name for the desired key, or null if there are no
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* matches.
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*/
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public String chooseClientAlias(final String[] keyType,
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final Principal[] issuers, final 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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else
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{
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return null;
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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 socket given
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* the public key type and the list of certificate issuer authorities
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* 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 most-preferred
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* key type first.
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* @param issuers
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* the list of acceptable CA issuer subject names or null if it does
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* 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 parameter can be
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* null, in which case this method will return the most generic alias
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* to use.
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* @return the alias name for the desired key, or null if there are no
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* matches.
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*/
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public String chooseServerAlias(final String keyType,
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final Principal[] issuers, final 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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else
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{
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return null;
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}
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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 certificate first
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* and the root certificate authority last), or null if the alias
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* can't be found.
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*/
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public X509Certificate[] getCertificateChain(final 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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else
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{
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return null;
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}
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}
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/**
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* Get the matching aliases for authenticating the server side of a secure
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* socket given the public key type and the list of certificate issuer
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* 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 if it does
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* not matter which issuers are used.
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* @return an array of the matching alias names, or null if there were no
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* matches.
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*/
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public String[] getClientAliases(final String keyType,
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final 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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else
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{
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return null;
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}
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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(final 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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else
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{
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return null;
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}
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}
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/**
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* Get the matching aliases for authenticating the server side of a secure
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* socket given the public key type and the list of certificate issuer
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* 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 if it does
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* not matter which issuers are used.
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* @return an array of the matching alias names, or null if there were no
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* matches.
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*/
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public String[] getServerAliases(final String keyType,
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final 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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else
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{
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return null;
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}
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}
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}
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