基于拦截器+mybatis+注解实现对敏感字段进行加解密 - JAVA

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基于拦截器+mybatis+注解实现对敏感字段进行加解密(四)

2023-07-26 08:16:12 【大中小】浏览:126次

* ===================================== * *****************开发部 * ===================================== * * @author 开发者 * @version 1.0-SNAPSHOT * @description * @date 2023/2/10 */ @Service public class AesServiceImpl implements AesService { @Value("${aes.key}") private String key; @Value("${aes.keyField}") private String keyField; @Resource private AesFieldUtils aesFieldUtils; @Override public <T> T encrypt(Field[] declaredFields, T paramsObject) throws Exception { for (Field field : declaredFields) { //取出所有被EncryptDecryptField注解的字段 SensitiveField sensitiveField = field.getAnnotation(SensitiveField.class); if (Objects.isNull(sensitiveField)) { continue; } field.setAccessible(true); Object object = field.get(paramsObject); //暂时只实现String类型的加密 if (object instanceof String) { String value = (String) object; //如果映射字段值为空,并且以==结尾则跳过不进行加密 if (!StringUtils.noEmpty(value)) { continue; } //加密这里我使用自定义的AES加密工具 field.set(paramsObject, aesFieldUtils.encrypt(value, key)); } } return paramsObject; } @Override public <T> T decrypt(T result) throws Exception { //取出resultType的类 Class<?> resultClass = result.getClass(); Field[] declaredFields = resultClass.getDeclaredFields(); for (Field field : declaredFields) { //取出所有被EncryptDecryptField注解的字段 SensitiveField sensitiveField = field.getAnnotation(SensitiveField.class); if (Objects.isNull(sensitiveField)) { continue; } field.setAccessible(true); Object object = field.get(result); //只支持String的解密 if (object instanceof String) { String value = (String) object; //如果映射字段值为空,并且不已==结尾则跳过不进行解密 if (!StringUtils.noEmpty(value)) { continue; } //对注解的字段进行逐一解密 field.set(result, aesFieldUtils.decrypt(value, key)); } } return result; } @Override public String replaceAll(String sql) { if (sql.contains(keyField)) { return sql.replaceAll(keyField, key); } return null; } }

5. 测试代码

import **************.SensitiveEntity;
import **************.SensitiveField;
import com.baomidou.mybatisplus.annotation.IdType;
import com.baomidou.mybatisplus.annotation.TableId;
import com.baomidou.mybatisplus.annotation.TableName;
import com.baomidou.mybatisplus.extension.activerecord.Model;

@SensitiveEntity
@TableName("t_users")
public class Users extends Model<Users> {
    /**
     *
     * This field was generated by MyBatis Generator.
     * This field corresponds to the database column t_users.id
     *
     * @mbg.generated Wed Feb 01 10:03:44 CST 2023
     */
    @TableId(value = "id", type = IdType.AUTO)
    private Integer id;

    /**
     *
     * This field was generated by MyBatis Generator.
     * This field corresponds to the database column t_users.user_id
     *
     * @mbg.generated Wed Feb 01 10:03:44 CST 2023
     */
    private String userId;

    /**
     *
     * This field was generated by MyBatis Generator.
     * This field corresponds to the database column t_users.user_name
     *
     * @mbg.generated Wed Feb 01 10:03:44 CST 2023
     */
    private String userName;

    /**
     *
     * This field was generated by MyBatis Generator.
     * This field corresponds to the database column t_users.nick_name
     *
     * @mbg.generated Wed Feb 01 10:03:44 CST 2023
     */
    private String nickName;

    /**
     *
     * This field was generated by MyBatis Generator.
     * This field corresponds to the database column t_users.password
     *
     * @mbg.generated Wed Fe

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