using Aop.Api.Domain;
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using ApiTools.Core.Utils.NongYePayUtils.Models;
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using Furion;
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using Furion.DatabaseAccessor;
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using Furion.DependencyInjection;
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using Furion.DistributedIDGenerator;
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using Furion.FriendlyException;
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using Microsoft.Extensions.Options;
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using NetTopologySuite.Algorithm;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using System.Linq;
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using System.Net.Sockets;
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using System.Text;
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using System.Threading.Tasks;
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using System.Xml;
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using System.Xml.Serialization;
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namespace ApiTools.Core
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{
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public class NongYePayUtils(
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IOptions<NongYePayOptions> options,
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IRepository<ThreeResourceLog, LogDbContextLocator> repThreeResourceLog
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) : ITransient
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{
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private readonly IOptions<NongYePayOptions> options = options;
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private readonly IRepository<ThreeResourceLog, LogDbContextLocator> repThreeResourceLog = repThreeResourceLog;
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/// <summary>
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/// 查询账户余额
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/// </summary>
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/// <returns>余额信息</returns>
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public Task<NongYePayGetBalanceResponse> GetBalance(NongYePayGetBalanceRequest request)
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{
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return Send<NongYePayGetBalanceRequest, NongYePayGetBalanceResponse>(request);
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}
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private async Task<TResponse> Send<TRequest, TResponse>(TRequest request)
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where TRequest : NongYePayBaseRequest
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where TResponse : NongYePayBaseResponse
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{
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var logier = JwtUtils.GetCurrentLogier();
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var now = DateTime.Now;
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var random = StringUtils.GenerateRandomString(6);
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request.CorpNo = options.Value.CorpNo;
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request.ReqDate = now.ToString("yyyyMMdd");
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request.ReqTime = now.ToString("HHmmss");
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request.ReqSeqNo = $"{now:yyyyMMddHHmmssfff}{random}";
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request.ChannelType = "ERP";
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request.ProductID = "ICC";
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string requestXml = SerializeRequest(request);
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var log = new ThreeResourceLog
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{
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CreatedTime = DateTimeOffset.Now,
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Id = IDGen.NextID(),
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TraceId = App.GetTraceId(),
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Method = EnumResourceMethod.Post,
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Domain = $"{options.Value.Ip}:{options.Value.Port}",
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Path = request.TransCode,
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CreatedUserId = logier?.Id,
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CreatedChannelId = logier?.ChannelId,
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Request = request.ToJson(),
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};
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await repThreeResourceLog.InsertNowAsync(log);
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var stopwatch = Stopwatch.StartNew();
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var responseXml = await SendRequest(requestXml);
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stopwatch.Stop();
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var response = DeserializeResponse<TResponse>(responseXml);
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log.UpdatedTime = DateTimeOffset.Now;
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log.Response = responseXml;
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log.IsSuccess = response.RespSource == "0";
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log.ElapsedMilliseconds = stopwatch.ElapsedMilliseconds;
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await repThreeResourceLog.UpdateNowAsync(log);
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if (!log.IsSuccess) throw Oops.Oh(EnumErrorCodeType.s510, $"农行接口异常：{response.RespInfo}");
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return response;
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}
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/// <summary>
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/// 泛型请求类转XML
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/// </summary>
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private string SerializeRequest<T>(T request)
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{
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var serializer = new XmlSerializer(typeof(T));
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var ns = new XmlSerializerNamespaces();
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ns.Add("", "");
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var settings = new XmlWriterSettings
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{
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OmitXmlDeclaration = true,
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Indent = false,
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Encoding = Encoding.UTF8
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};
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using var stream = new MemoryStream();
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using var writer = XmlWriter.Create(stream, settings);
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serializer.Serialize(writer, request, ns);
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// 转换为GBK编码
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stream.Position = 0;
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using var reader = new StreamReader(stream, Encoding.UTF8);
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string utf8Xml = reader.ReadToEnd();
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return Encoding.GetEncoding("GBK").GetString(Encoding.GetEncoding("GBK").GetBytes(utf8Xml));
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}
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/// <summary>
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/// XML转泛型应答类
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/// </summary>
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private T DeserializeResponse<T>(string gbkXml)
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{
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var serializer = new XmlSerializer(typeof(T));
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using var stream = new MemoryStream(Encoding.UTF8.GetBytes(gbkXml));
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return (T)serializer.Deserialize(stream);
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}
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/// <summary>
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/// 发送请求并接收应答
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/// </summary>
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private async Task<string> SendRequest(string requestXml)
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{
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byte[] requestBytes = Encoding.GetEncoding("GBK").GetBytes(requestXml);
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// 2. 构建7字节包头（加密标志0 + 数据长度，右补空格）
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byte[] header = new byte[7];
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header[0] = 0x30; // 加密标志：0（ASCII码）
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string requestLengthStr = requestBytes.Length.ToString().PadRight(6, ' '); // 后6字节：长度右补空格
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Buffer.BlockCopy(Encoding.ASCII.GetBytes(requestLengthStr), 0, header, 1, 6);
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// 3. 合并包头+数据包
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byte[] sendData = new byte[header.Length + requestBytes.Length];
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Buffer.BlockCopy(header, 0, sendData, 0, header.Length);
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Buffer.BlockCopy(requestBytes, 0, sendData, header.Length, requestBytes.Length);
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// 4. Socket发送（带超时）
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using var socket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
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socket.SendTimeout = (int)TimeSpan.FromMinutes(5).TotalMilliseconds;
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socket.ReceiveTimeout = (int)TimeSpan.FromMinutes(5).TotalMilliseconds;
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try
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{
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await socket.ConnectAsync(options.Value.Ip, options.Value.Port);
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await socket.SendAsync(sendData);
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// 接收包头
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byte[] responseHeader = new byte[7];
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int headerLen = socket.Receive(responseHeader);
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if (headerLen != 7) throw Oops.Oh(EnumErrorCodeType.s510, "接收包头失败");
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// 解析数据长度
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string lengthStr = Encoding.ASCII.GetString(responseHeader, 1, 6).Trim();
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if (!int.TryParse(lengthStr, out int dataLength))
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throw Oops.Oh(EnumErrorCodeType.s510, $"解析数据长度失败：{lengthStr}");
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// 接收数据包
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byte[] responseBytes = new byte[dataLength];
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int receivedLen = 0;
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while (receivedLen < dataLength)
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{
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int len = socket.Receive(responseBytes, receivedLen, dataLength - receivedLen, SocketFlags.None);
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receivedLen += len;
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}
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// 转换为GBK XML
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var responseXml = Encoding.GetEncoding("GBK").GetString(responseBytes);
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if (responseXml.IsNull())
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{
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throw Oops.Oh(EnumErrorCodeType.s510, "未收到应答");
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}
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return responseXml;
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}
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finally
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{
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socket.Dispose();
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}
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}
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}
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}
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