From b116b2b304a6aff67a41e9fdcb89967afef194f8 Mon Sep 17 00:00:00 2001
From: KKSU <15274802129@163.com>
Date: Sat, 08 Feb 2025 16:31:32 +0800
Subject: [PATCH] refactor(pay): 重构 FiuuReturnController 中的 skey 计算逻辑

---
 src/main/java/cc/mrbird/febs/pay/controller/FiuuReturnController.java |   72 ++++++++++-------------------------
 1 files changed, 21 insertions(+), 51 deletions(-)

diff --git a/src/main/java/cc/mrbird/febs/pay/controller/FiuuReturnController.java b/src/main/java/cc/mrbird/febs/pay/controller/FiuuReturnController.java
index 0dca5b3..19ba8b9 100644
--- a/src/main/java/cc/mrbird/febs/pay/controller/FiuuReturnController.java
+++ b/src/main/java/cc/mrbird/febs/pay/controller/FiuuReturnController.java
@@ -9,20 +9,19 @@
 import cn.hutool.core.date.DateUtil;
 import io.swagger.annotations.Api;
 import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.codec.digest.DigestUtils;
 import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 
 import javax.annotation.Resource;
-import javax.servlet.http.HttpServletResponse;
-import java.io.IOException;
-import java.security.MessageDigest;
-import java.security.NoSuchAlgorithmException;
 
 @Slf4j
 @Controller
-@Api(value = "FIUUController", tags = "FIUU支付")
+//@RestController
+@Api(value = "FiuuReturnController", tags = "FIUU支付-ReturnURL")
 @RequestMapping(value = "/api/fuPayReturn")
 public class FiuuReturnController {
 
@@ -30,9 +29,8 @@
     @Resource
     private MallOrderInfoMapper mallOrderInfoMapper;
 
-    // Java 通知接口 暂时停止使用
-    @PostMapping("/callback")
-    public void handlePaymentCallback(
+    @PostMapping("/payment/callback")
+    public String handlePaymentCallback(
             @RequestParam("amount") String amount,
             @RequestParam("orderid") String orderId,
             @RequestParam("tranID") String tranId,
@@ -40,60 +38,32 @@
             @RequestParam("domain") String domain,
             @RequestParam("currency") String currency,
             @RequestParam("paydate") String payDate,
-            @RequestParam("approcode") String appCode,
             @RequestParam("skey") String receivedSkey,
-            HttpServletResponse response) throws IOException{
+            Model model) {
 
-        // 计算 skey 验证
-        String calculatedSkey = calculateSkey(tranId, orderId, status, domain, amount, currency, payDate, appCode);
-        MallOrderInfo mallOrderInfo = ValidateEntityUtils
-                .ensureColumnReturnEntity(orderId, MallOrderInfo::getId, mallOrderInfoMapper::selectOne, "订单不存在");
+        // 验证skey以确保数据完整性
+        String preSkey = DigestUtils.md5Hex(tranId + orderId + status + domain + amount + currency);
+        String calculatedSkey = DigestUtils.md5Hex(payDate + domain + preSkey + SECRET_KEY);
+
         log.info("callback status: {}", status);
         log.info("callback skey: {}", receivedSkey);
         log.info("callback calculatedSkey: {}", calculatedSkey);
-        log.info("callback payResult: {}", mallOrderInfo.getPayResult());
-        if("1".equals(mallOrderInfo.getPayResult())){
-            response.sendRedirect("/pages/order/pay/paySuccess?amount="+amount+"&type=3");
-            return;
-        }
         if (!calculatedSkey.equalsIgnoreCase(receivedSkey)) {
             // 记录安全警告日志
             throw new FebsException("订单回调失败,---"+orderId);
         }
-        if ("00".equals(status)) {
-            updateOrderStatus(orderId, status, amount, payDate, tranId);
-            response.sendRedirect("/pages/order/pay/paySuccess?amount="+amount+"&type=3");
-            return;
-        }
-    }
 
-    private String calculateSkey(String tranId, String orderId, String status,
-                                 String domain, String amount, String currency,
-                                 String payDate, String appCode) {
-        try {
-            // 第一步哈希计算
-            String preSkey = tranId + orderId + status + domain + amount + currency;
-            String preSkeyHash = md5(preSkey);
+        // 将支付结果信息传递给支付成功页面
+        model.addAttribute("amount", amount);
+        model.addAttribute("orderId", orderId);
+        model.addAttribute("tranId", tranId);
+        model.addAttribute("status", status);
+        model.addAttribute("currency", currency);
+        model.addAttribute("payDate", payDate);
+        updateOrderStatus(orderId, status, amount, payDate, tranId);
 
-            // 第二步哈希计算
-            String finalInput = payDate + domain + preSkeyHash + appCode + SECRET_KEY;
-            return md5(finalInput);
-        } catch (NoSuchAlgorithmException e) {
-            throw new RuntimeException("MD5算法不可用", e);
-        }
-    }
-
-    private String md5(String input) throws NoSuchAlgorithmException {
-        MessageDigest md = MessageDigest.getInstance("MD5");
-        byte[] hashBytes = md.digest(input.getBytes());
-
-        StringBuilder hexString = new StringBuilder();
-        for (byte b : hashBytes) {
-            String hex = Integer.toHexString(0xff & b);
-            if (hex.length() == 1) hexString.append('0');
-            hexString.append(hex);
-        }
-        return hexString.toString();
+        // 跳转到支付成功页面
+        return "payment-success";
     }
 
     private void updateOrderStatus(String orderId, String status, String amount, String paydate, String tranID) {

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