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/* Copyright (c) 2012-2014, Isode Limited, London, England.
* All rights reserved.
*
* Acquisition and use of this software and related materials for any
* purpose requires a written licence agreement from Isode Limited,
* or a written licence from an organisation licensed by Isode Limited Limited
* to grant such a licence.
*
*/
package com.isode.stroke.tls.java;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import javax.net.ssl.SSLException;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;
/**
* A concrete X509TrustManager implementation which provides a trust manager
* based on the default java "pkcs12" keystore.
*/
public class JavaTrustManager implements X509TrustManager {
/**
* Construct a new object
* @param jsseContext reference to JSSEContext; must not be null.
*
* @throws SSLException if it was not possible to initialise the
* TrustManager or KeyStore
*/
JavaTrustManager(JSSEContext jsseContext) throws SSLException {
if (jsseContext == null) {
throw new NullPointerException("JSSEContext may not be null");
}
this.jsseContext = jsseContext;
try {
TrustManagerFactory tmf =
TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
tmf.init((KeyStore) null); //Java's default keystore
TrustManager tms [] = tmf.getTrustManagers();
/*
* Iterate over the returned trustmanagers, look
* for an instance of X509TrustManager. If found,
* use that as our "default" trust manager.
*/
for (int i = 0; i < tms.length; i++) {
if (tms[i] instanceof X509TrustManager) {
pkixTrustManager = (X509TrustManager) tms[i];
return;
}
}
/*
* Find some other way to initialize, or else we have to fail the
* constructor.
*/
throw new SSLException("Couldn't initialize");
}
catch (KeyStoreException e) {
throw new SSLException(e);
}
catch (NoSuchAlgorithmException e) {
throw new SSLException(e);
}
}
@Override
public void checkClientTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
// It's not expected that a Stroke application will ever be in the
// position of checking client certificates. Just delegate to
// default trust manager
pkixTrustManager.checkClientTrusted(chain, authType);
}
@Override
public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
CertificateException certificateException = null;
try {
pkixTrustManager.checkServerTrusted(chain, authType);
} catch (CertificateException e) {
certificateException = e;
}
if (certificateException == null && chain != null && chain.length > 0) {
try {
chain[0].checkValidity();
}
catch (CertificateException e) {
certificateException = e;
}
}
jsseContext.setPeerCertificateInfo(chain, certificateException);
}
@Override
public X509Certificate[] getAcceptedIssuers() {
// TODO Auto-generated method stub
return null;
}
/*
* The default PKIX X509TrustManager, to which decisions can be
* delegated when we don't make them ourselves.
*/
X509TrustManager pkixTrustManager;
/**
* The object who wants to know what server certificates appear
*/
JSSEContext jsseContext;
}
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Swift