初始提交

2020-10-07 20:25:03 +08:00
commit d318014316
3809 changed files with 263103 additions and 0 deletions
--- a/Services/Hncore.Pass.PaymentCenter/Pay/WeiFuTong/Util.cs
+++ b/Services/Hncore.Pass.PaymentCenter/Pay/WeiFuTong/Util.cs
@@ -0,0 +1,100 @@
+using Hncore.Infrastructure.Common;
+using Hncore.Infrastructure.Data;
+using Hncore.Infrastructure.Extension;
+using Hncore.Pass.PaymentCenter.Model;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Cryptography;
+using System.Text;
+using System.Xml;
+using XC.RSAUtil;
+
+namespace Hncore.Pass.PaymentCenter.WeiFuTong
+{
+    public class Util
+    {
+        public static void CheckSignFromXml(string xmlText, MchInfo mchInfo)
+        {
+            XmlDocument xmlDoc = new XmlDocument();
+            xmlDoc.XmlResolver = null;
+            xmlDoc.LoadXml(xmlText);
+            XmlNode root = xmlDoc.SelectSingleNode("xml");
+            XmlNodeList xnl = root.ChildNodes;
+
+            if (root.SelectSingleNode("status") == null || root.SelectSingleNode("status").InnerText != "0")
+            {
+                return;
+            }
+
+            SortedDictionary<string, string> dic = new SortedDictionary<string, string>();
+            string responseSign = "";
+            string signType = "MD5";
+
+
+            foreach (XmlNode xnf in xnl)
+            {
+                var parameter = xnf.Name;
+                var parameterValue = xnf.InnerText;
+
+                if (parameter == "sign")
+                {
+                    responseSign = parameterValue;
+                }
+
+                if (parameter == "sign_type")
+                {
+                    signType = parameterValue;
+                }
+
+                if (parameter.Has() && parameterValue.Has() && parameter != "sign")
+                {
+                    if (dic.Keys.Contains(parameter))
+                    {
+                        dic.Remove(parameter);
+                    }
+
+                    dic.Add(parameter, parameterValue);
+                }
+            }
+
+            string sign = "";
+
+            foreach (var item in dic)
+            {
+                sign += item.Key + "=" + item.Value + "&";
+            }
+
+
+            if (signType == "MD5" || string.IsNullOrEmpty(signType))
+            {
+                sign += "key=" + mchInfo.Key;
+                sign = SecurityHelper.GetMd5Hash(sign).ToUpper();
+
+                if (responseSign.ToUpper() != sign)
+                {
+                    BusinessException.Throw("验签失败");
+                }
+            }
+            else if (signType == "RSA_1_1")
+            {
+                sign = sign.Substring(0, sign.Length - 1);
+
+                var verify = new RsaPkcs8Util(Encoding.UTF8
+                        , mchInfo.RSAPublicKey
+                        , mchInfo.RSAPrivateKey)
+                    .VerifyData(sign, responseSign, HashAlgorithmName.SHA1, RSASignaturePadding.Pkcs1);
+
+                if (!verify)
+                {
+                    BusinessException.Throw("验签失败");
+                }
+            }
+            else
+            {
+                BusinessException.Throw("未知签名方式");
+            }
+        }
+        
+      
+    }
+}