新增微信公众号回调接口customerservice/callback

epmet-module/epmet-third/epmet-third-server/src/main/java/com/epmet/controller/officialaccount/OfficialAccountCallBackController.java

@@ -0,0 +1,61 @@
+package com.epmet.controller.officialaccount;
+
+import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.ArrayList;
+import java.util.Collections;
+
+/**
+ * 党群e事通公众号（客服号）
+ *
+ * @author yinzuomei@elink-cn.com
+ * @date 2020/7/8 12:43
+ */
+@RestController
+@RequestMapping("customerservice")
+public class OfficialAccountCallBackController {
+    private Logger logger = LogManager.getLogger();
+    /**
+     * @param signature 微信加密签名，signature结合了开发者填写的token参数和请求中的timestamp参数、nonce参数。
+     * @param timestamp 时间戳
+     * @param nonce 随机数
+     * @param echostr 随机字符串
+     * @return java.lang.String
+     * @author yinzuomei
+     * @description 确认此次GET请求来自微信服务器，请原样返回echostr参数内容，则接入生效，成为开发者成功，否则接入失败
+     * @Date 2020/7/8 12:47
+     **/
+    @GetMapping(value = "/callback")
+    public String wxServerValdation(@RequestParam("signature") String signature,
+                                    @RequestParam("timestamp") String timestamp,
+                                    @RequestParam("nonce") String nonce,
+                                    @RequestParam("echostr") String echostr) {
+        if (StringUtils.isEmpty(signature) || StringUtils.isEmpty(timestamp) || StringUtils.isEmpty(nonce) || StringUtils.isEmpty(echostr)) {
+            logger.warn("入参错误");
+            return "";
+        }
+        ArrayList<String> list = new ArrayList<String>();
+        list.add(nonce);
+        list.add(timestamp);
+        //这是第5步中你设置的Token
+        list.add("12345678Yzm");
+        Collections.sort(list);
+        String sha1Singnature = DigestUtils.sha1Hex(list.get(0) + list.get(1) + list.get(2));
+        if (sha1Singnature.equals(signature)) {
+            logger.info("校验成功");
+            return echostr;
+        } else {
+            logger.warn("校验失败");
+            return "";
+        }
+    }
+
+
+}