org.wildfly.security.keystore.ModifyTrackingKeyStoreSpi Maven / Gradle / Ivy
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* JBoss, Home of Professional Open Source.
* Copyright 2015 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.wildfly.security.keystore;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.Key;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.KeyStoreSpi;
import java.security.NoSuchAlgorithmException;
import java.security.cert.Certificate;
import java.security.cert.CertificateException;
/**
* The {@link KeyStoreSpi} implementation to track modifications.
*
* @author Darran Lofthouse
*/
class ModifyTrackingKeyStoreSpi extends DelegatingKeyStoreSpi {
private final KeyStore delegate;
private volatile boolean initialised = false;
private volatile boolean modified = false; ModifyTrackingKeyStoreSpi(KeyStore delegate) {
this.delegate = delegate;
}
@Override
public void engineSetKeyEntry(String alias, Key key, char[] password, Certificate[] chain) throws KeyStoreException {
super.engineSetKeyEntry(alias, key, password, chain);
modified = true;
}
@Override
public void engineSetKeyEntry(String alias, byte[] key, Certificate[] chain) throws KeyStoreException {
super.engineSetKeyEntry(alias, key, chain);
modified = true;
}
@Override
public void engineSetCertificateEntry(String alias, Certificate cert) throws KeyStoreException {
super.engineSetCertificateEntry(alias, cert);
modified = true;
}
@Override
public void engineDeleteEntry(String alias) throws KeyStoreException {
super.engineDeleteEntry(alias);
modified = true;
}
@Override
public void engineStore(OutputStream stream, char[] password) throws IOException, NoSuchAlgorithmException,
CertificateException {
super.engineStore(stream, password);
modified = false;
}
@Override
public void engineLoad(InputStream stream, char[] password) throws IOException, NoSuchAlgorithmException, CertificateException {
if (initialised) {
super.engineLoad(stream, password);
modified = false;
} else {
// Skip the first initialisation as we are deliberately getting initialised flags set.
initialised = true;
}
}
/**
* Identify if the KeyStore has been modified through this implementation since the last call to save or load.
*
* @return {@code true} if the {@link KeyStore} has been modified, {@code false} otherwise
*/
boolean isModified() {
return modified;
}
/**
* Set the modified flag for this {@link KeyStore}.
*
* @param modified the new value of the flag
*/
void setModified(final boolean modified) {
this.modified = modified;
}
@Override
protected KeyStore getKeyStore() {
return delegate;
}
}