//
// 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;
}
}