Quarkus中ConfigSourceInterceptor的加密設定實現

public interface ConfigSourceInterceptor extends Serializable {
    ConfigValue getValue(ConfigSourceInterceptorContext context, String name);
  //省略、、、
}

/**
 * 1、使用方式為 正常設定值的前面拼接Encrypt=>字串，如
 * quarkus.datasource.password = Encrypt=>xxxx
 * 2、設定解密的aeskey值，如
 * config.encrypt.aeskey = 11111111111111111
 *
 * @author kl : http://kailing.pub
 * @version 1.0
 * @date 2020/7/10 9:46
 */
//value 值越低優先順序越高
@Priority(value = Priorities.PLATFORM)
public class EncryptConfigInterceptor implements ConfigSourceInterceptor {
    private static final String CONFIG_ENCRYPT_KEY = "config.encrypt.aeskey";
    private static final int AES_KEY_LENGTH = 16;
    /**
     * 需要加密值的字首標記
     */
    private static final String ENCRYPT_PREFIX_NAME = "Encrypt=>";
    /**
     * AES加密模式
     */
    private static final String AES_MODE = "AES/CBC/PKCS5Padding";
    /**
     * AES的iv向量值
     */
    private static final String AES_IV = "1234567890123456";
    @Override
    public ConfigValue getValue(ConfigSourceInterceptorContext context, String name) {
        ConfigValue config = context.proceed(name);
        if (config != null && config.getValue().startsWith(ENCRYPT_PREFIX_NAME)) {
            String encryptValue = config.getValue().replace(ENCRYPT_PREFIX_NAME, "");
            String aesKey = context.proceed(CONFIG_ENCRYPT_KEY).getValue();
            String value = AesEncyptUtil.decrypt(encryptValue, aesKey);
            return config.withValue(value);
        }
        return config;
    }
    public static void main(String[] args) {
        System.out.println("加密後的設定："+ AesEncyptUtil.encrypt("office#123", "1111111111111111"));
    }
   static class AesEncyptUtil{
       public static Cipher getCipher(int mode, String key) {
           if (key == null || key.length() != AES_KEY_LENGTH) {
               throw new RuntimeException("config.encrypt.key不能為空，且長度為16位元");
           }
           SecretKeySpec skeySpec = new SecretKeySpec(key.getBytes(), "AES");
           //使用CBC模式，需要一個向量iv，可增加加密演演算法的強度
           IvParameterSpec iv = new IvParameterSpec(AES_IV.getBytes());
           Cipher cipher = null;
           try {
               cipher = Cipher.getInstance(AES_MODE);
               cipher.init(mode, skeySpec, iv);
           } catch (InvalidKeyException | InvalidAlgorithmParameterException | NoSuchPaddingException | NoSuchAlgorithmException e) {
               e.printStackTrace();
           }
           return cipher;
       }
       /**
        * AES加密函數
        * @param plaintext 被加密的字串
        * @param key       AES key
        * @return 加密後的值
        */
       public static String encrypt(final Object plaintext, String key) {
           if (null == plaintext) {
               return null;
           }
           byte[] encrypted = new byte[0];
           try {
               Cipher encryptCipher = getCipher(Cipher.ENCRYPT_MODE, key);
               encrypted = encryptCipher.doFinal(String.valueOf(plaintext).getBytes(StandardCharsets.UTF_8));
           } catch (IllegalBlockSizeException | BadPaddingException e) {
               e.printStackTrace();
           }
           //此處使用BASE64做轉碼。
           return Base64.getEncoder().encodeToString(encrypted);
       }
       /**
        * AES 解密函數
        *
        * @param ciphertext 被解密的字串
        * @param key        AES key
        * @return 解密後的值
        */
       public static String decrypt(final String ciphertext, String key) {
           if (null == ciphertext) {
               return null;
           }
           try {
               Cipher decryptCipher = getCipher(Cipher.DECRYPT_MODE, key);
               //先用base64解密
               byte[] encrypted1 = Base64.getDecoder().decode(ciphertext);
               byte[] original = decryptCipher.doFinal(encrypted1);
               return new String(original, StandardCharsets.UTF_8);
           } catch (Exception ex) {
               ex.printStackTrace();
               return null;
           }
       }
   }
}

config.encrypt.aeskey = xxxxxxxxxxxxxx

quarkus.datasource.username=mobile_office
quarkus.datasource.password=Encrypt=>/8wYwbxokEleEZzT4niJew==