/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.openejb.cipher;
import org.apache.webbeans.config.WebBeansContext;
import org.apache.webbeans.container.BeanManagerImpl;
import javax.enterprise.context.spi.CreationalContext;
import javax.enterprise.inject.spi.Bean;
// use: cipher:cdi:<your bean class>:<encrypted pwd>
public final class CdiPasswordCipher implements PasswordCipher {
@Override
public char[] encrypt(final String plainPassword) {
throw new UnsupportedOperationException("cdi password cipher only supports decryption");
}
@Override
public String decrypt(final char[] encryptedPassword) {
final String string = new String(encryptedPassword);
final BeanManagerImpl mgr;
try {
final WebBeansContext wbc = WebBeansContext.currentInstance();
mgr = wbc.getBeanManagerImpl();
if (!mgr.isInUse()) { // not yet the time to use CDI, container is not started
// would be cool to log a warning here but would pollute the logs with false positives
return "cipher:cdi:" + string;
}
} catch (final IllegalStateException ise) { // no cdi
return "cipher:cdi:" + string;
}
final int split = string.indexOf(':');
final String delegate = string.substring(0, split);
final String pwdStr = string.substring(split + 1, string.length());
final char[] pwd = pwdStr.toCharArray();
try {
final Class<?> beanType = Thread.currentThread().getContextClassLoader().loadClass(delegate);
final Bean<?> bean = mgr.resolve(mgr.getBeans(beanType));
if (bean == null) {
throw new IllegalArgumentException("No bean for " + delegate);
}
final CreationalContext<?> cc = mgr.createCreationalContext(null);
try {
return PasswordCipher.class.cast(mgr.getReference(bean, PasswordCipher.class, cc)).decrypt(pwd);
} finally {
if (!mgr.isNormalScope(bean.getScope())) {
cc.release();
}
}
} catch (final ClassNotFoundException e) {
throw new IllegalArgumentException("Can't find " + delegate, e);
}
}
}