Java微信公众号安全模式消息解密

  这篇文章主要为大家详细介绍了Java微信公众号安全模式消息解密,具有一定的参考价值,感兴趣的小伙伴们可以参考一下
  
  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
  
  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,www.dfgjpt.com Message msg) throws Exception {
  
  SAXReader reader = new SAXReader(www.yongshi123.cn);
  
  String token = "";
  
  String encodingAesKey = "";
  
  String appId = "";
  
  //获取加密消息xml字符串
  
  /* String format = "<xml><ToUserName><www.mhylpt.com![CDATA[toUser]]></ToUserName><Encrypt><![CDATA[%1$s]]></Encrypt></xml>";
  
  Document document = reader.read(request.getInputStream());
  
  Element rootElement = document.getRootElement();
  
  Element encrypt = rootElement.element("Encrypt"www.68076.cn);*/
  
  // String fromXML = String.format(format, encrypt.getText());
  
  String fromXML = streamToString(www.68079.cn request);
  
  //解密消息
  
  WXBizMsgCrypt pc =www.jiahuayulpt.com new WXBizMsgCrypt(token, encodingAesKey, appId);
  
  //获得解密消息
  
  String result = pc.decryptMsg(msg.getMsg_signature(www.yongxin7.com), msg.getTimestamp(), msg.getNonce(), fromXML);
  
  Map<String, String> map = new HashMap<www.thd178.com>(6);
  
  //将解密后的消息转为xml
  
  Document doc www.tiaotiaoylzc.com= DocumentHelper.parseText(result);
  
  Element root = doc.getRootElement(www.078881.cn);
  
  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
  
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