java json 加密_对json中指定字段进行加密操作

importcom.alibaba.fastjson.JSON;importcom.alibaba.fastjson.JSONObject;importorg.apache.commons.lang3.StringUtils;importorg.springframework.beans.factory.annotation.Value;importorg.springframework.stereotype.Component;import java.util.*;

@Componentpublic classJsonEncryptUtil {//加密key

@Value("${EncryptionKey}")privateString encryptKey;//需要加密的日志节点

private static Map> encryptNodeMap = new HashMap<>(){

{

put("order/submit", Arrays.asList( //进件接口

"customerInfo.name","customerInfo.identityNo","customerInfo.mobile","cardInfo.creditCardNo","cardInfo.cashCardNo");

put("order/check", Arrays.asList( //验证接口

"name","identityNo"));}

};/*** 文本加密(忽略异常)

*

*@paramtext 入参

*@return加密字符串*/

publicString stringEncrypt(String text) {try{if (!StringUtils.isBlank(text)) {

text=EencryptionUtil.encrypt(text, encryptKey);

}

}catch(Exception e) {

text= "文本加密异常:" + e.getMessage() + "加密前信息：" +text;

}returntext;

}/*** json指定节点加密

*

*@paramjson 入参

*@return加密字符串*/

publicString jsonEncrypt(String url, String json) {

String result=json;try{if (!StringUtils.isBlank(json)) {for(String key : encryptNodeMap.keySet()){if(url.toLowerCase().endsWith(key.toLowerCase())){

result=GetAesJToken(JSON.parseObject(json.trim()), encryptNodeMap.get(key)).toString();

}

}

}

}catch(Exception e) {

result= "日志加密异常:" + e.getMessage() + "加密前信息：" +json;

}returnresult;

}/*** 根据节点逐一展开json对象并进行加密

*

*@paramobject 入参

*@paramnodeList 入参

*@return结果*/

private Object GetAesJToken(Object object, ListnodeList) {//如果为空，直接返回

if (object == null || nodeList.size() == 0) returnobject;

JSONObject jsonObject= null;//多层节点递归展开，单层节点直接加密

Map> deepLevelNodes = new HashMap<>();for(var node : nodeList) {

var nodeArr= Arrays.asList(node.split("\."));if (nodeArr.size() > 1) {if (deepLevelNodes.containsKey(nodeArr.get(0)))

deepLevelNodes.get(nodeArr.get(0)).add(com.ctrip.framework.apollo.core.utils.StringUtils.join(nodeArr.subList(1, nodeArr.size()), "."));elsedeepLevelNodes.put(nodeArr.get(0), new ArrayList<>(Arrays.asList(com.ctrip.framework.apollo.core.utils.StringUtils.join(nodeArr.subList(1, nodeArr.size()), "."))));

}else{

object=JsonNodeToAes(object, node);

}

}if (deepLevelNodes.size() > 0) {for(String key : deepLevelNodes.keySet()) {if(JSON.isValidObject(object.toString())) {

var jObject=JSON.parseObject(object.toString());if (jObject.get(key) != null) {

jObject.put(key, GetAesJToken(jObject.get(key), deepLevelNodes.get(key)));

}

object=jObject;

}if(JSON.isValidArray(object.toString())) {

var jArray=JSON.parseArray(object.toString());for (int i = 0; i < jArray.size(); i++) {

JSONObject curObject=jArray.getJSONObject(i);if (curObject != null && curObject.get(key) != null) {

jArray.set(i, GetAesJToken(curObject.get(key), deepLevelNodes.get(key)));

}

}

object=jArray;

}

}

}returnobject;

}/*** 将确定节点加密

*

*@paramobject 入参

*@paramnode 入参

*@return结果*/

privateObject JsonNodeToAes(Object object, String node) {if (object == null) returnobject;if(JSON.isValidObject(object.toString())) {

var jObject=JSON.parseObject(object.toString());if (jObject.get(node) != null) {if(JSON.isValidArray(jObject.get(node).toString())) {

var jArray=jObject.getJSONArray(node);for (int i = 0; i < jArray.size(); i++) {

jArray.set(i, stringEncrypt(jArray.get(i).toString()));

}

jObject.put(node, jArray);

}else if (!JSON.isValidObject(jObject.get(node).toString())) {

jObject.put(node, stringEncrypt(jObject.get(node).toString()));

}

}

object=jObject;

}else if(JSON.isValidArray(object.toString())) {

var jArray=JSON.parseArray(object.toString());for (int i = 0; i < jArray.size(); i++) {

Object curObject=jArray.getJSONObject(i);if (curObject != null) {

jArray.set(i, JsonNodeToAes(curObject, node));

}

}

object=jArray;

}else{

object=stringEncrypt(object.toString());

}returnobject;

}

}