新增顺丰同城的业务代码

mall-shop/src/main/java/com/suisung/mall/shop/api/service/SFExpressApiService.java

@@ -0,0 +1,4 @@
+package com.suisung.mall.shop.api.service;
+
+public interface SFExpressApiService {
+}

mall-shop/src/main/java/com/suisung/mall/shop/api/service/impl/SFExpressApiServiceImpl.java

@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2024. Lorem ipsum dolor sit amet, consectetur adipiscing elit.
+ * Morbi non lorem porttitor neque feugiat blandit. Ut vitae ipsum eget quam lacinia accumsan.
+ * Etiam sed turpis ac ipsum condimentum fringilla. Maecenas magna.
+ * Proin dapibus sapien vel ante. Aliquam erat volutpat. Pellentesque sagittis ligula eget metus.
+ * Vestibulum commodo. Ut rhoncus gravida arcu.
+ */
+
+package com.suisung.mall.shop.api.service.impl;
+
+import cn.hutool.core.util.StrUtil;
+import com.suisung.mall.shop.api.service.SFExpressApiService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Service;
+
+import javax.annotation.Resource;
+import java.security.MessageDigest;
+
+@Service
+public class SFExpressApiServiceImpl implements SFExpressApiService {
+
+    private static Logger logger = LoggerFactory.getLogger(SFExpressApiServiceImpl.class);
+
+    @Value("${sf-express.appid}")
+    private Long appId;
+    @Value("${sf-express.appkey}")
+    private String appKey;
+
+
+
+    /**
+     * 生成顺丰同城请求签名，参考官网：https://commit-openic.sf-express.com/#/apidoc
+     *
+     * @param postData
+     * @param appId
+     * @param appKey
+     * @return
+     */
+    private String generateOpenSign(String postData, Long appId, String appKey) {
+        try {
+            StringBuilder sb = new StringBuilder();
+            sb.append(postData);
+            sb.append("&" + appId + "&" + appKey);
+
+            MessageDigest md = MessageDigest.getInstance("MD5");
+            byte[] md5 = md.digest(sb.toString().getBytes("utf-8"));
+            int i;
+            StringBuffer buf = new StringBuffer("");
+            for (byte b : md5) {
+                i = b;
+                if (i < 0) {
+                    i += 256;
+                }
+                if (i < 16) {
+                    buf.append("0");
+                }
+                buf.append(Integer.toHexString(i));
+            }
+            return buf.toString();
+        } catch (Exception e) {
+            logger.error(e.getMessage());
+            return "";
+        }
+    }
+
+    /**
+     * 验证签名是否一致
+     *
+     * @param sign
+     * @param postData
+     * @param appId
+     * @param appKey
+     * @return
+     */
+    private boolean checkOpenSign(String sign, String postData, Long appId, String appKey) {
+        if (StrUtil.isBlank(sign) || StrUtil.isBlank(postData) || StrUtil.isBlank(appKey) || appId == null || appId <= 0) {
+            return false;
+        }
+
+        String newSign = generateOpenSign(postData, appId, appKey);
+        if (sign.equals(newSign)) {
+            return true;
+        }
+
+        return false;
+    }
+}