private static void initialize() {
final File dbPropsFile = PropertiesUtil.findConfigFile("db.properties");
final Properties dbProps;
if (EncryptionSecretKeyChecker.useEncryption()) {
StandardPBEStringEncryptor encryptor = EncryptionSecretKeyChecker.getEncryptor();
dbProps = new EncryptableProperties(encryptor);
try {
dbProps.load(new FileInputStream(dbPropsFile));
} catch (FileNotFoundException e) {
throw new CloudRuntimeException(
"db.properties file not found while reading DB secret key", e);
} catch (IOException e) {
throw new CloudRuntimeException("Erroe while reading DB secret key from db.properties", e);
}
String dbSecretKey = dbProps.getProperty("db.cloud.encrypt.secret");
if (dbSecretKey == null || dbSecretKey.isEmpty()) {
throw new CloudRuntimeException("Empty DB secret key in db.properties");
}
s_encryptor = new StandardPBEStringEncryptor();
s_encryptor.setAlgorithm("PBEWithMD5AndDES");
s_encryptor.setPassword(dbSecretKey);
} else {
throw new CloudRuntimeException("Trying to encrypt db values when encrytion is not enabled");
}
}
public static String encrypt(String plain) {
if (!EncryptionSecretKeyChecker.useEncryption() || (plain == null) || plain.isEmpty()) {
return plain;
}
if (s_encryptor == null) {
initialize();
}
String encryptedString = null;
try {
encryptedString = s_encryptor.encrypt(plain);
} catch (EncryptionOperationNotPossibleException e) {
s_logger.debug("Error while encrypting: " + plain);
throw e;
}
return encryptedString;
}