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Java微信公众号安全模式消息解密 Java微信公众号安全模式消息解密

Caisin_He 人气:0

1.微信公众平台下载解密工具,导入项目中,根据demo解密消息,解密工具官方下载地址:点击打开链接

 public static String streamToString(HttpServletRequest request) throws IOException {
  BufferedReader reader = new BufferedReader(new InputStreamReader(request.getInputStream()));
  StringBuilder sb = new StringBuilder();
  String line;
  try {
   while ((line = reader.readLine()) != null) {
    sb.append(line);
   }
  } catch (IOException e) {
   e.printStackTrace();
  }
  return sb.toString();
 }
 
 /**
  * xml转为map集合
  *
  * @param request
  * @param msg
  * @return
  * @throws IOException
  * @throws DocumentException
  */
 public static Map<String, String> xmlToMap(HttpServletRequest request, Message msg) throws Exception {
  SAXReader reader = new SAXReader();
  String token = "";
  String encodingAesKey = "";
  String appId = "";
  //获取加密消息xml字符串
  /* String format = "<xml><ToUserName><![CDATA[toUser]]></ToUserName><Encrypt><![CDATA[%1$s]]></Encrypt></xml>";
  Document document = reader.read(request.getInputStream());
  Element rootElement = document.getRootElement();
  Element encrypt = rootElement.element("Encrypt");*/
//  String fromXML = String.format(format, encrypt.getText());
  String fromXML = streamToString(request);
  //解密消息
  WXBizMsgCrypt pc = new WXBizMsgCrypt(token, encodingAesKey, appId);
  //获得解密消息
  String result = pc.decryptMsg(msg.getMsg_signature(), msg.getTimestamp(), msg.getNonce(), fromXML);
  Map<String, String> map = new HashMap<>(6);
  //将解密后的消息转为xml
  Document doc = DocumentHelper.parseText(result);
  Element root = doc.getRootElement();
  List<Element> list = root.elements();
  for (Element e : list) {
   map.put(e.getName(), e.getText());
  }
  return map;
 }

Message实体类

package com.caisin.weixin.domain;
 
import lombok.Data;
 
@Data
public class Message {
 private String signature;
 private String timestamp;
 private String nonce;
 private String openid;
 private String msg_signature;
 private String encrypt_type;
}

2.将JDK中 jdk\jre\lib\security\policy\unlimited目录中local_policy.jar和US_export_policy.jar两个文件拷贝到 jdk\jre\lib\security目录下


以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。

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