wxController迁移

epmet-auth/src/main/java/com/epmet/controller/WxController.java

@@ -0,0 +1,125 @@
+
+package com.epmet.controller;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.Arrays;
+
+
+/**
+ * desc:微信配置测试
+ *
+ * @author generator generator@elink-cn.com
+ * @since v1.0.0 2020-03-08
+ */
+@RestController
+@RequestMapping("wechat")
+public class WxController {
+    private static Logger log = LoggerFactory.getLogger(WxController.class);
+
+
+    @RequestMapping("check")
+    public void doGet(HttpServletRequest request, HttpServletResponse response) {
+        log.debug("weixin get...");
+        // 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。
+        String signature = request.getParameter("signature");
+        // 时间戳
+        String timestamp = request.getParameter("timestamp");
+        // 随机数
+        String nonce = request.getParameter("nonce");
+        // 随机字符串
+        String echostr = request.getParameter("echostr");
+
+        // 通过检验signature对请求进行校验，若校验成功则原样返回echostr，表示接入成功，否则接入失败
+        PrintWriter out = null;
+        try {
+            out = response.getWriter();
+            if (WxController.checkSignature(signature, timestamp, nonce)) {
+                log.debug("weixin get success....");
+                out.print(echostr);
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        } finally {
+            if (out != null)
+                out.close();
+        }
+    }
+
+    /**
+     * 与接口配置信息中的Token要一致
+     */
+    private static String token = "o2opri3hschiwit";
+
+    /**
+     * 验证签名
+     *
+     * @param signature
+     * @param timestamp
+     * @param nonce
+     * @return
+     */
+    public static boolean checkSignature(String signature, String timestamp, String nonce) {
+        String[] arr = new String[]{token, timestamp, nonce};
+        // 将token、timestamp、nonce三个参数进行字典序排序
+        Arrays.sort(arr);
+        StringBuilder content = new StringBuilder();
+        for (int i = 0; i < arr.length; i++) {
+            content.append(arr[i]);
+        }
+        MessageDigest md = null;
+        String tmpStr = null;
+
+        try {
+            md = MessageDigest.getInstance("SHA-1");
+            // 将三个参数字符串拼接成一个字符串进行sha1加密
+            byte[] digest = md.digest(content.toString().getBytes());
+            tmpStr = byteToStr(digest);
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+        }
+
+        content = null;
+        // 将sha1加密后的字符串可与signature对比，标识该请求来源于微信
+        return tmpStr != null ? tmpStr.equals(signature.toUpperCase()) : false;
+    }
+
+    /**
+     * 将字节数组转换为十六进制字符串
+     *
+     * @param byteArray
+     * @return
+     */
+    private static String byteToStr(byte[] byteArray) {
+        String strDigest = "";
+        for (int i = 0; i < byteArray.length; i++) {
+            strDigest += byteToHexStr(byteArray[i]);
+        }
+        return strDigest;
+    }
+
+    /**
+     * 将字节转换为十六进制字符串
+     *
+     * @param mByte
+     * @return
+     */
+    private static String byteToHexStr(byte mByte) {
+        char[] Digit = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
+        char[] tempArr = new char[2];
+        tempArr[0] = Digit[(mByte >>> 4) & 0X0F];
+        tempArr[1] = Digit[mByte & 0X0F];
+
+        String s = new String(tempArr);
+        return s;
+    }
+}