From 8a467f4b887967382c6bb7e15d0d61e382e4f1c3 Mon Sep 17 00:00:00 2001
From: KKSU <15274802129@163.com>
Date: Fri, 07 Feb 2025 17:38:46 +0800
Subject: [PATCH] refactor(pay): 重构 FIUU 支付接口并创建专用的回调控制器

---
 src/main/java/cc/mrbird/febs/pay/controller/FIUUController.java |  127 +++++++++++++++++++++++++++++-------------
 1 files changed, 87 insertions(+), 40 deletions(-)

diff --git a/src/main/java/cc/mrbird/febs/pay/controller/FIUUController.java b/src/main/java/cc/mrbird/febs/pay/controller/FIUUController.java
index ab90931..204ebef 100644
--- a/src/main/java/cc/mrbird/febs/pay/controller/FIUUController.java
+++ b/src/main/java/cc/mrbird/febs/pay/controller/FIUUController.java
@@ -3,21 +3,25 @@
 import cc.mrbird.febs.common.entity.FebsResponse;
 import cc.mrbird.febs.common.enumerates.OrderDeliveryStateEnum;
 import cc.mrbird.febs.common.enumerates.OrderStatusEnum;
-import cc.mrbird.febs.common.exception.FebsException;
 import cc.mrbird.febs.common.utils.ValidateEntityUtils;
 import cc.mrbird.febs.mall.entity.MallOrderInfo;
 import cc.mrbird.febs.mall.entity.MallOrderItem;
 import cc.mrbird.febs.mall.mapper.MallOrderInfoMapper;
 import cc.mrbird.febs.pay.model.FIUUInitPayRequest;
 import cn.hutool.core.date.DateUtil;
+import cn.hutool.json.JSONUtil;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.commons.collections.CollectionUtils;
-import org.springframework.web.bind.annotation.*;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
 
 import javax.annotation.Resource;
+import javax.servlet.http.HttpServletRequest;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
@@ -35,13 +39,13 @@
     public FebsResponse initPayment(@RequestBody FIUUInitPayRequest orderRequest) {
         Long orderId = orderRequest.getOrderId();
         MallOrderInfo mallOrderInfo = ValidateEntityUtils.ensureColumnReturnEntity(orderId, MallOrderInfo::getId, mallOrderInfoMapper::selectOne, "订单不存在");
-        ValidateEntityUtils.ensureEqual("1", mallOrderInfo.getPayResult(), "订单已支付");
+        ValidateEntityUtils.ensureNotEqual("1", mallOrderInfo.getPayResult(), "订单已支付");
         String amount = mallOrderInfo.getAmount().toString();
         String productNames = getProductNames(mallOrderInfo.getMemberId(), mallOrderInfo.getId());
         try {
             String merchantId = "e2umart01";
             String verifyKey = "4e3a4ed58e62ddbfacf41f6d5ec56bf2";
-            String returnUrl = "https://api.mye2u.com/api/fuPay/callback"; // 支付结果回调地址
+            String returnUrl = "https://api.mye2u.com/api/fuPayReturn/callback"; // 支付结果回调地址
 
             // 生成 vcode(MD5(amount + merchantId + orderId + verifyKey))
             String vcode = DigestUtils.md5Hex(
@@ -70,46 +74,89 @@
         }
     }
 
-    // Java 回调接口
-    @PostMapping("/callback")
-    public FebsResponse handlePaymentCallback(@RequestParam Map<String, String> params) {
-        try {
-            String secretKey = "59c709fc18978a6a83b87f05d37cecbf";
-            String tranID = params.get("tranID");
-            String orderId = params.get("orderid");
-            String status = params.get("status");
-            String domain = params.get("domain");
-            String amount = params.get("amount");
-            String currency = params.get("currency");
-            String paydate = params.get("paydate");
-            String skey = params.get("skey");
+    /**
+     * FIUU 回调接口
+     * @param request
+     */
+    @PostMapping("/notify")
+    public void handlePaymentNotification(HttpServletRequest request) {
+        // 1. 从POST请求中获取参数
+        Map<String, String> params = new HashMap<>();
+        request.getParameterMap().forEach((key, values) -> params.put(key, values[0]));
+        log.info("notify: {}", JSONUtil.parseObj(params));
 
-            // 计算 skey 验证
-            String preSkey = DigestUtils.md5Hex(tranID + orderId + status + domain + amount + currency);
-            String calculatedSkey = DigestUtils.md5Hex(paydate + domain + preSkey + secretKey);
-
-            if (!calculatedSkey.equals(skey)) {
-                throw new FebsException("订单回调失败,---"+orderId);
-            }
-
-            MallOrderInfo mallOrderInfo = ValidateEntityUtils.ensureColumnReturnEntity(orderId, MallOrderInfo::getId, mallOrderInfoMapper::selectOne, "订单不存在");
-            ValidateEntityUtils.ensureEqual(mallOrderInfo.getPayResult(), "1", "订单已支付");
-            ValidateEntityUtils.ensureEqual(mallOrderInfo.getAmount().toString(), amount, "订单金额异常");
-            // 更新订单状态
-            if ("00".equals(status)) {
-                mallOrderInfo.setStatus(OrderStatusEnum.WAIT_SHIPPING.getValue());
-                mallOrderInfo.setPayResult("1");
-                mallOrderInfo.setPayTime(DateUtil.parseDateTime(paydate));
-                mallOrderInfo.setDeliveryState(OrderDeliveryStateEnum.DELIVERY_WAIT.getValue());
-                mallOrderInfo.setPayOrderNo(tranID);
-                mallOrderInfoMapper.updateById(mallOrderInfo);
-            }
-            return new FebsResponse().success().message("OK");
-        } catch (Exception e) {
-            return new FebsResponse().fail().message("Internal Error");
+        // 2. 验证skey的完整性
+        boolean isValid = verifySkey(params);
+        if (!isValid) {
+            return;
         }
+
+        // 3. 解析关键参数
+        String status = params.get("status");
+        String orderId = params.get("orderid");
+        String amount = params.get("amount");
+        String tranID = params.get("tranID");
+        String paydate = params.get("paydate");
+
+        log.info("notify status: {}", status);
+        // 4. 根据状态码更新订单
+        if ("00".equals(status)) {
+            // 支付成功,更新订单状态
+            updateOrderStatus(orderId, status, amount, paydate, tranID);
+            // 可选:记录交易ID防止重复处理
+            log.info("Payment succeeded for order: {}", orderId);
+        } else {
+            // 支付失败或待处理
+            log.warn("Payment failed/pending for order: {}", orderId);
+        }
+
+        // 5. 返回ACK响应(可选,但推荐)
+        return;
     }
 
+    private boolean verifySkey(Map<String, String> params) {
+        // 从配置或数据库中获取Secret Key
+        String secretKey = "59c709fc18978a6a83b87f05d37cecbf";
+
+        // 按API文档生成skey
+        String tranID = params.get("tranID");
+        String orderId = params.get("orderid");
+        String status = params.get("status");
+        String domain = params.get("domain");
+        String amount = params.get("amount");
+        String currency = params.get("currency");
+        String appcode = params.get("appcode");
+        String paydate = params.get("paydate");
+        String receivedSkey = params.get("skey");
+
+        // 第一步哈希:pre_skey = md5(txnID + orderID + status + domain + amount + currency)
+        String preSkey = DigestUtils.md5Hex(tranID + orderId + status + domain + amount + currency);
+
+        log.info("notify preSkey: {}", preSkey);
+        // 第二步哈希:skey = md5(paydate + domain + pre_skey + appcode + secretKey)
+        String calculatedSkey = DigestUtils.md5Hex(paydate + domain + preSkey + appcode + secretKey);
+
+        log.info("notify calculatedSkey: {}", calculatedSkey);
+
+        return calculatedSkey.equals(receivedSkey);
+    }
+
+    private void updateOrderStatus(String orderId, String status, String amount, String paydate, String tranID) {
+        // 实现订单状态更新逻辑(如更新数据库)
+        MallOrderInfo mallOrderInfo = ValidateEntityUtils.ensureColumnReturnEntity(orderId, MallOrderInfo::getId, mallOrderInfoMapper::selectOne, "订单不存在");
+        ValidateEntityUtils.ensureNotEqual(mallOrderInfo.getPayResult(), "1", "订单已支付");
+        ValidateEntityUtils.ensureEqual(mallOrderInfo.getAmount().toString(), amount, "订单金额异常");
+        // 更新订单状态
+        mallOrderInfo.setPayMethod("FIUU支付");
+        mallOrderInfo.setStatus(OrderStatusEnum.WAIT_SHIPPING.getValue());
+        mallOrderInfo.setPayResult("1");
+        mallOrderInfo.setPayTime(DateUtil.parseDateTime(paydate));
+        mallOrderInfo.setDeliveryState(OrderDeliveryStateEnum.DELIVERY_WAIT.getValue());
+        mallOrderInfo.setPayOrderNo(tranID);
+        mallOrderInfoMapper.updateById(mallOrderInfo);
+    }
+
+
     /**
      * 根据用户ID和订单ID获取所购买商品名称
      * @return 所含商品名称(多个以","隔开)

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