/*
* 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 com.cloud.utils.db;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import org.apache.commons.io.IOUtils;
import org.apache.log4j.Logger;
import org.jasypt.encryption.pbe.StandardPBEStringEncryptor;
import org.jasypt.properties.EncryptableProperties;
import com.cloud.utils.PropertiesUtil;
import com.cloud.utils.crypt.EncryptionSecretKeyChecker;
public class DbProperties {
private static final Logger log = Logger.getLogger(DbProperties.class);
private static Properties properties = new Properties();
private static boolean loaded = false;
protected static Properties wrapEncryption(Properties dbProps) throws IOException {
EncryptionSecretKeyChecker checker = new EncryptionSecretKeyChecker();
checker.check(dbProps);
if ( EncryptionSecretKeyChecker.useEncryption() ) {
return dbProps;
} else {
EncryptableProperties encrProps = new EncryptableProperties(EncryptionSecretKeyChecker.getEncryptor());
encrProps.putAll(dbProps);
return encrProps;
}
}
public synchronized static Properties getDbProperties() {
if ( ! loaded ) {
Properties dbProps = new Properties();
InputStream is = null;
try {
File props = PropertiesUtil.findConfigFile("db.properties");
if ( props != null && props.exists() ) {
is = new FileInputStream(props);
}
if ( is == null ) {
is = PropertiesUtil.openStreamFromURL("db.properties");
}
if ( is == null ) {
System.err.println("Failed to find db.properties");
log.error("Failed to find db.properties");
}
if ( is != null ) {
dbProps.load(is);
}
EncryptionSecretKeyChecker checker = new EncryptionSecretKeyChecker();
checker.check(dbProps);
if (EncryptionSecretKeyChecker.useEncryption()) {
StandardPBEStringEncryptor encryptor = EncryptionSecretKeyChecker.getEncryptor();
EncryptableProperties encrDbProps = new EncryptableProperties(encryptor);
encrDbProps.putAll(dbProps);
dbProps = encrDbProps;
}
} catch ( IOException e ) {
throw new IllegalStateException("Failed to load db.properties", e);
} finally {
IOUtils.closeQuietly(is);
}
properties = dbProps;
loaded = true;
}
return properties;
}
public synchronized static Properties setDbProperties(Properties props) throws IOException {
if ( loaded ) {
throw new IllegalStateException("DbProperties has already been loaded");
}
properties = wrapEncryption(props);
loaded = true;
return properties;
}
}