/*
* Copyright (c) 2002, 2006, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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
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*/
package sun.security.validator;
import java.io.*;
import java.util.*;
import java.security.*;
import java.security.cert.*;
import java.security.cert.Certificate;
import sun.security.action.*;
/**
* Collection of static utility methods related to KeyStores.
*
* @author Andreas Sterbenz
*/
public class KeyStores {
private KeyStores() {
// empty
}
// in the future, all accesses to the system cacerts keystore should
// go through this class. but not right now.
/*
private final static String javaHome =
(String)AccessController.doPrivileged(new GetPropertyAction("java.home"));
private final static char SEP = File.separatorChar;
private static KeyStore caCerts;
private static KeyStore getKeyStore(String type, String name,
char[] password) throws IOException {
if (type == null) {
type = "JKS";
}
try {
KeyStore ks = KeyStore.getInstance(type);
FileInputStream in = (FileInputStream)AccessController.doPrivileged
(new OpenFileInputStreamAction(name));
ks.load(in, password);
return ks;
} catch (GeneralSecurityException e) {
// XXX
throw new IOException();
} catch (PrivilegedActionException e) {
throw (IOException)e.getCause();
}
}
/**
* Return a KeyStore with the contents of the lib/security/cacerts file.
* The file is only opened once per JVM invocation and the contents
* cached subsequently.
*
public synchronized static KeyStore getCaCerts() throws IOException {
if (caCerts != null) {
return caCerts;
}
String name = javaHome + SEP + "lib" + SEP + "security" + SEP + "cacerts";
caCerts = getKeyStore(null, name, null);
return caCerts;
}
*/
/**
* Return a Set with all trusted X509Certificates contained in
* this KeyStore.
*/
public static Set<X509Certificate> getTrustedCerts(KeyStore ks) {
Set<X509Certificate> set = new HashSet<X509Certificate>();
try {
for (Enumeration<String> e = ks.aliases(); e.hasMoreElements(); ) {
String alias = e.nextElement();
if (ks.isCertificateEntry(alias)) {
Certificate cert = ks.getCertificate(alias);
if (cert instanceof X509Certificate) {
set.add((X509Certificate)cert);
}
} else if (ks.isKeyEntry(alias)) {
Certificate[] certs = ks.getCertificateChain(alias);
if ((certs != null) && (certs.length > 0) &&
(certs[0] instanceof X509Certificate)) {
set.add((X509Certificate)certs[0]);
}
}
}
} catch (KeyStoreException e) {
// ignore
}
return set;
}
}