初始提交

2020-10-07 20:25:03 +08:00
commit d318014316
3809 changed files with 263103 additions and 0 deletions
--- a/Infrastructure/ServiceClient/Alipay.AopSdk.Core/Parser/AopXmlParser.cs
+++ b/Infrastructure/ServiceClient/Alipay.AopSdk.Core/Parser/AopXmlParser.cs
@@ -0,0 +1,195 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Xml.Serialization;
+using Newtonsoft.Json;
+using Alipay.AopSdk.Core.Util;
+
+namespace Alipay.AopSdk.Core.Parser
+{
+	/// <summary>
+	///     AOP XML响应通用解释器。
+	/// </summary>
+	public class AopXmlParser<T> : IAopParser<T> where T : AopResponse
+	{
+		private static readonly Regex regex = new Regex("<(\\w+?)[ >]", RegexOptions.Compiled);
+		private static readonly Dictionary<string, XmlSerializer> parsers = new Dictionary<string, XmlSerializer>();
+
+
+		public string EncryptSourceData(IAopRequest<T> request, string body, string encryptType, string encryptKey,
+			string charset)
+		{
+			var item = ParseEncryptData(request, body);
+
+			var bodyIndexContent = body.Substring(0, item.startIndex);
+			var bodyEndContent = body.Substring(item.endIndex);
+			var encryptContent = AlipayEncrypt.AesDencrypt(encryptKey, item.encryptContent, charset);
+
+			return bodyIndexContent + encryptContent + bodyEndContent;
+		}
+
+		/// <summary>
+		///     获取XML响应的根节点名称
+		/// </summary>
+		private string GetRootElement(string body)
+		{
+			var match = regex.Match(body);
+			if (match.Success)
+				return match.Groups[1].ToString();
+			throw new AopException("Invalid XML response format!");
+		}
+
+		private static string GetSign(string body)
+		{
+			var signNodeName = "<" + AlipayConstants.SIGN + ">";
+			var signEndNodeName = "</" + AlipayConstants.SIGN + ">";
+
+			var indexOfSignNode = body.IndexOf(signNodeName);
+			var indexOfSignEndNode = body.IndexOf(signEndNodeName);
+
+			if (indexOfSignNode < 0 || indexOfSignEndNode < 0)
+				return null;
+
+			//  签名
+			var startPos = indexOfSignNode + signNodeName.Length;
+			return body.Substring(startPos, indexOfSignEndNode - startPos);
+		}
+
+		private static string GetSignSourceData(IAopRequest<T> request, string body)
+		{
+			var rootNode = request.GetApiName().Replace(".", "_") + AlipayConstants.RESPONSE_SUFFIX;
+			var errorRootNode = AlipayConstants.ERROR_RESPONSE;
+
+			var indexOfRootNode = body.IndexOf(rootNode);
+			var indexOfErrorRoot = body.IndexOf(errorRootNode);
+
+			string result = null;
+			if (indexOfRootNode > 0)
+				result = ParseSignSourceData(body, rootNode, indexOfRootNode);
+			else if (indexOfErrorRoot > 0)
+				result = ParseSignSourceData(body, errorRootNode, indexOfErrorRoot);
+
+			return result;
+		}
+
+		private static string ParseSignSourceData(string body, string rootNode, int indexOfRootNode)
+		{
+			//  第一个字母+长度+>
+			var signDataStartIndex = indexOfRootNode + rootNode.Length + 1;
+			var indexOfSign = body.IndexOf("<" + AlipayConstants.SIGN);
+			if (indexOfSign < 0)
+				return null;
+
+			// 签名前减去
+			var signDataEndIndex = indexOfSign;
+
+			return body.Substring(signDataStartIndex, signDataEndIndex - signDataStartIndex);
+		}
+
+
+		private static EncryptParseItem ParseEncryptData(IAopRequest<T> request, string body)
+		{
+			var rootNode = request.GetApiName().Replace(".", "_") + AlipayConstants.RESPONSE_SUFFIX;
+			var errorRootNode = AlipayConstants.ERROR_RESPONSE;
+
+			var indexOfRootNode = body.IndexOf(rootNode);
+			var indexOfErrorRoot = body.IndexOf(errorRootNode);
+
+			EncryptParseItem result = null;
+			if (indexOfRootNode > 0)
+				result = ParseEncryptItem(body, rootNode, indexOfRootNode);
+			else if (indexOfErrorRoot > 0)
+				result = ParseEncryptItem(body, errorRootNode, indexOfErrorRoot);
+
+			return result;
+		}
+
+		private static EncryptParseItem ParseEncryptItem(string body, string rootNode, int indexOfRootNode)
+		{
+			//  第一个字母+长度+>
+			var signDataStartIndex = indexOfRootNode + rootNode.Length + 1;
+
+			var xmlStartNode = "<" + AlipayConstants.ENCRYPT_NODE_NAME + ">";
+			var xmlEndNode = "</" + AlipayConstants.ENCRYPT_NODE_NAME + ">";
+			var indexOfEncryptNode = body.IndexOf(xmlEndNode);
+
+			if (indexOfEncryptNode < 0)
+			{
+				var item = new EncryptParseItem();
+				item.encryptContent = null;
+				item.startIndex = 0;
+				item.endIndex = 0;
+
+				return item;
+			}
+
+			var startIndex = signDataStartIndex + xmlStartNode.Length;
+			var bizLen = indexOfEncryptNode - startIndex;
+
+			var encryptBizContent = body.Substring(startIndex, bizLen);
+
+			var item2 = new EncryptParseItem();
+			item2.encryptContent = encryptBizContent;
+			item2.startIndex = signDataStartIndex;
+			item2.endIndex = indexOfEncryptNode + xmlEndNode.Length;
+
+			return item2;
+		}
+
+		#region IAopParser<T> Members
+
+		public T Parse(string body, string charset)
+		{
+			XmlSerializer serializer = null;
+			var rootTagName = GetRootElement(body);
+
+			var inc = parsers.TryGetValue(rootTagName, out serializer);
+			if (!inc || serializer == null)
+			{
+				var rootAttrs = new XmlAttributes();
+				rootAttrs.XmlRoot = new XmlRootAttribute(rootTagName);
+
+				var attrOvrs = new XmlAttributeOverrides();
+				attrOvrs.Add(typeof(T), rootAttrs);
+
+				serializer = new XmlSerializer(typeof(T), attrOvrs);
+				parsers[rootTagName] = serializer;
+			}
+
+			object obj = null;
+			Encoding encoding = null;
+			if (string.IsNullOrEmpty(charset))
+				encoding = Encoding.UTF8;
+			else
+				encoding = Encoding.GetEncoding(charset);
+			using (Stream stream = new MemoryStream(encoding.GetBytes(body)))
+			{
+				obj = serializer.Deserialize(stream);
+			}
+
+			var rsp = (T) obj;
+			if (rsp != null)
+				rsp.Body = body;
+			return rsp;
+		}
+
+
+		public SignItem GetSignItem(IAopRequest<T> request, string reponseBody)
+		{
+			if (string.IsNullOrEmpty(reponseBody))
+				return null;
+
+			var signItem = new SignItem();
+			var sign = GetSign(reponseBody);
+			signItem.Sign = sign;
+
+			var signSourceData = GetSignSourceData(request, reponseBody);
+			signItem.SignSourceDate = signSourceData;
+
+			return signItem;
+		}
+
+		#endregion
+	}
+}