/*
* Copyright (c) 2001-2007 Sun Microsystems, Inc. All rights reserved.
*
* The Sun Project JXTA(TM) Software License
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. The end-user documentation included with the redistribution, if any, must
* include the following acknowledgment: "This product includes software
* developed by Sun Microsystems, Inc. for JXTA(TM) technology."
* Alternately, this acknowledgment may appear in the software itself, if
* and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
* not be used to endorse or promote products derived from this software
* without prior written permission. For written permission, please contact
* Project JXTA at http://www.jxta.org.
*
* 5. Products derived from this software may not be called "JXTA", nor may
* "JXTA" appear in their name, without prior written permission of Sun.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SUN
* MICROSYSTEMS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* JXTA is a registered trademark of Sun Microsystems, Inc. in the United
* States and other countries.
*
* Please see the license information page at :
* <http://www.jxta.org/project/www/license.html> for instructions on use of
* the license in source files.
*
* ====================================================================
*
* This software consists of voluntary contributions made by many individuals
* on behalf of Project JXTA. For more information on Project JXTA, please see
* http://www.jxta.org.
*
* This license is based on the BSD license adopted by the Apache Foundation.
*/
package net.jxta.impl.membership.pse;
import net.jxta.logging.Logging;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.net.URI;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.cert.CertificateException;
import java.util.logging.Level;
import java.util.logging.Logger;
/**
* Manages a Keystore located at URI. This version precludes KeyStores which
* are built from multiple URIs.
**/
public class URIKeyStoreManager implements KeyStoreManager {
/**
* Log4J Logger
**/
private final static transient Logger LOG = Logger.getLogger(URIKeyStoreManager.class.getName());
/**
* The default keystore type we will use.
**/
private final static String DEFAULT_KEYSTORE_TYPE = "jks";
/**
* The keystore type
**/
private final String keystore_type;
/**
* The keystore type
**/
private final String keystore_provider;
/**
* The location where the keystore lives.
**/
private final URI keystore_location;
/**
* Default constructor.
**/
public URIKeyStoreManager(String type, String provider, URI location) throws NoSuchProviderException, KeyStoreException {
if (null == type) {
type = DEFAULT_KEYSTORE_TYPE;
provider = null;
}
if (!location.isAbsolute()) {
throw new IllegalArgumentException("location must be an absolute URI");
}
if ("file".equalsIgnoreCase(location.getScheme())) {
File asFile = new File(location);
if (asFile.exists() && !asFile.isFile()) {
throw new IllegalArgumentException("location must refer to a file");
}
}
if (Logging.SHOW_CONFIG && LOG.isLoggable(Level.CONFIG)) {
LOG.config("pse location = " + location);
}
keystore_type = type;
keystore_provider = provider;
keystore_location = location;
// check if we can get an instance.
if (null == keystore_provider) {
KeyStore.getInstance(keystore_type);
} else {
KeyStore.getInstance(keystore_type, keystore_provider);
}
}
/**
* {@inheritDoc}
**/
public boolean isInitialized() {
return isInitialized(null);
}
/**
* {@inheritDoc}
**/
public boolean isInitialized(char[] store_password) {
try {
KeyStore store;
if (null == keystore_provider) {
store = KeyStore.getInstance(keystore_type);
} else {
store = KeyStore.getInstance(keystore_type, keystore_provider);
}
store.load(keystore_location.toURL().openStream(), store_password);
return true;
} catch (Exception failed) {
return false;
}
}
/**
* {@inheritDoc}
**/
public void createKeyStore(char[] store_password) throws KeyStoreException, IOException {
try {
KeyStore store;
if (null == keystore_provider) {
store = KeyStore.getInstance(keystore_type);
} else {
store = KeyStore.getInstance(keystore_type, keystore_provider);
}
store.load(null, store_password);
saveKeyStore(store, store_password);
} catch (NoSuchProviderException failed) {
KeyStoreException failure = new KeyStoreException("NoSuchProviderException during keystore processing");
failure.initCause(failed);
throw failure;
} catch (NoSuchAlgorithmException failed) {
KeyStoreException failure = new KeyStoreException("NoSuchAlgorithmException during keystore processing");
failure.initCause(failed);
throw failure;
} catch (CertificateException failed) {
KeyStoreException failure = new KeyStoreException("CertificateException during keystore processing");
failure.initCause(failed);
throw failure;
}
}
/**
* {@inheritDoc}
**/
public KeyStore loadKeyStore(char[] password) throws KeyStoreException, IOException {
if (Logging.SHOW_FINE && LOG.isLoggable(Level.FINE)) {
LOG.fine("Loading (" + keystore_type + "," + keystore_provider + ") store from " + keystore_location);
}
try {
KeyStore store;
if (null == keystore_provider) {
store = KeyStore.getInstance(keystore_type);
} else {
store = KeyStore.getInstance(keystore_type, keystore_provider);
}
store.load(keystore_location.toURL().openStream(), password);
return store;
} catch (NoSuchAlgorithmException failed) {
KeyStoreException failure = new KeyStoreException("NoSuchAlgorithmException during keystore processing");
failure.initCause(failed);
throw failure;
} catch (CertificateException failed) {
KeyStoreException failure = new KeyStoreException("CertificateException during keystore processing");
failure.initCause(failed);
throw failure;
} catch (NoSuchProviderException failed) {
KeyStoreException failure = new KeyStoreException("NoSuchProviderException during keystore processing");
failure.initCause(failed);
throw failure;
}
}
/**
* {@inheritDoc}
**/
public void saveKeyStore(KeyStore store, char[] password) throws KeyStoreException, IOException {
if (Logging.SHOW_FINE && LOG.isLoggable(Level.FINE)) {
LOG.fine("Writing " + store + " to " + keystore_location);
}
try {
OutputStream os = null;
if ("file".equalsIgnoreCase(keystore_location.getScheme())) {
// Sadly we can't use URL.openConnection() to create the
// OutputStream for file:// URLs. bogus.
os = new FileOutputStream(new File(keystore_location));
} else {
os = keystore_location.toURL().openConnection().getOutputStream();
}
store.store(os, password);
} catch (NoSuchAlgorithmException failed) {
KeyStoreException failure = new KeyStoreException("NoSuchAlgorithmException during keystore processing");
failure.initCause(failed);
throw failure;
} catch (CertificateException failed) {
KeyStoreException failure = new KeyStoreException("CertificateException during keystore processing");
failure.initCause(failed);
throw failure;
}
}
/**
* {@inheritDoc}
**/
public void eraseKeyStore() {
if ("file".equalsIgnoreCase(keystore_location.getScheme())) {
File asFile = new File(keystore_location);
if (asFile.exists() && asFile.isFile() && asFile.canWrite()) {
asFile.delete();
}
} else {
if (Logging.SHOW_SEVERE && LOG.isLoggable(Level.SEVERE)) {
LOG.severe("Unable to delete non-file URI :" + keystore_location);
}
throw new UnsupportedOperationException("Unable to delete non-file URI");
}
}
/**
* {@inheritDoc}
**/
public String toString() {
StringBuilder sb = new StringBuilder("PSE keystore details: \n");
sb.append(" Class: ").append(this.getClass().getName()).append("\n");
sb.append(" Type: ").append(keystore_type==null ? "<default>" : keystore_type).append("\n");
sb.append(" Provider: ").append(keystore_provider==null ? "<default>" : keystore_provider).append("\n");
sb.append(" Location: ").append(keystore_location==null ? "<default>" : keystore_location.toString()).append("\n");
return sb.toString();
}
}