微信后端代码
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package com.ynxbd.wx.wxfactory.utils;
import com.ynxbd.wx.wxfactory.bean.event.WxEvent;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.codec.digest.DigestUtils;
import javax.servlet.http.HttpServletRequest;
import java.util.Arrays;
@Slf4j
public class WxEventHelper {
/**
* 过滤内容可以直接返回
*
* @param wxEvent 事件
*/
public static boolean filter(WxEvent wxEvent) {
String event = wxEvent.getEvent();
if (event != null) {
event = event.toUpperCase();
}
String msgType = wxEvent.getMsgType();
if (msgType != null) {
msgType = msgType.toUpperCase();
}
if ("VIEW".equals(event) && "EVENT".equals(msgType)) { // 点击菜单
return true;
}
if ("TEMPLATESENDJOBFINISH".equals(event)) { // 模板发送作业完成-->直接返回success
log.warn("[公众号]模板消息推送 fromUserName={}, msgType={}, eventKey={}, event={}", wxEvent.getFromUserName(), msgType, wxEvent.getEventKey(), event);
return true;
}
return false;
}
/**
* 消息验签
*
* @param request request
* @param wxToken wxToken
*/
public static boolean verifyEventSign(HttpServletRequest request, String wxToken) {
String nonce = request.getParameter("nonce");
String timestamp = request.getParameter("timestamp");
String[] array = new String[]{wxToken, timestamp, nonce};
Arrays.sort(array);
StringBuilder sb = new StringBuilder();
for (String s : array) {
sb.append(s);
}
return DigestUtils.sha1Hex(sb.toString()).equals(request.getParameter("signature"));
}
}