package com.panzhihua.common.model.helper.encrypt;
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import java.lang.annotation.Annotation;
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import java.lang.reflect.Field;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.stereotype.Component;
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import com.panzhihua.common.model.helper.AESUtil;
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import lombok.extern.slf4j.Slf4j;
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/***
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* 默认实现: AES 128 加密、解密 可自定义实现{@link IEncryptDecrypt }接口
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*
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* @author cedoo
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* @since 2021-4-1 10:40:52
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*/
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@Slf4j
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@Component
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public class DoEncrytDecrypt implements IEncryptDecrypt {
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@Value("${domain.aesKey:}")
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private String aesKey;
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@Override
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public <T> T encrypt(Field[] declaredFields, T parameterObject) throws IllegalAccessException {
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for (Field field : declaredFields) {
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if (field.getType() == String.class) {
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field.setAccessible(true);
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for (Annotation annotation : field.getAnnotations()) {
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if (annotation.annotationType() == EncryptDecryptField.class
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|| annotation.annotationType() == EncryptQuery.class) {
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log.debug("加密字段：" + field.getName());
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Object fieldVal = field.get(parameterObject);
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if (fieldVal != null) {
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try {
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String encryptedStr = AESUtil.encrypt128(fieldVal.toString(), aesKey);
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field.set(parameterObject, encryptedStr);
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} catch (Exception e) {
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log.debug("加密失败");
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}
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}
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}
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}
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}
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}
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return parameterObject;
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}
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@Override
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public <T> T decrypt(T result) throws IllegalAccessException {
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for (Field field : result.getClass().getDeclaredFields()) {
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try {
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field.setAccessible(true);
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if (field.get(result) != null) {
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for (Annotation annotation : field.getAnnotations()) {
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if (annotation.annotationType() == EncryptDecryptField.class) {
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log.debug("解密密字段：" + field.getName());
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String fieldVal = field.get(result).toString();
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try {
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String decryptVal = AESUtil.decrypt128(fieldVal, aesKey);
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field.set(result, decryptVal != null ? decryptVal : fieldVal);
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} catch (Exception e) {
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/**
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* 兼容原始未加密数据
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*/
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field.set(result, fieldVal);
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}
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}
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}
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}
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} catch (IllegalAccessException e) {
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throw e;
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}
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}
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return result;
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}
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}
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