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179 lines
8.1 KiB
179 lines
8.1 KiB
namespace com.hitrust.trustpay.client
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{
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using Security;
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using System;
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using System.IO;
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using System.Net;
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using System.Text;
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public abstract class TrxRequest
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{
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public const string EC_MERCHANT_TYPE_B2B = "B2B";
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public const string EC_MERCHANT_TYPE_B2C = "B2C";
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private readonly string iECMerchantType = "";
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private LogWriter iLogWriter = null;
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public TrxRequest(string aECMerchantType)
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{
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this.iECMerchantType = aECMerchantType;
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}
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protected internal abstract void checkRequest();
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private XMLDocument composeRequestMessage(string aMerchantNo, XMLDocument aMessage)
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{
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this.iLogWriter.logNewLine("composeRequestMessage中==" + aMerchantNo);
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return new XMLDocument("<Merchant><ECMerchantType>" + this.iECMerchantType + "</ECMerchantType><MerchantID>" + MerchantConfig.MerchantID(aMerchantNo) + "</MerchantID></Merchant>" + aMessage.ToString());
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}
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protected internal abstract TrxResponse constructResponse(XMLDocument aResponseMessage);
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public virtual TrxResponse extendPostRequest(string aMerchantNo)
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{
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TrxResponse response = null;
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try {
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this.iLogWriter = new LogWriter();
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this.iLogWriter.logNewLine("TrustPayClient ASP V2.0.1 交易开始==========================");
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if (!MerchantConfig.hasMerchant(aMerchantNo)) {
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throw new TrxException("1008", "指定的商户配置编号不合法", string.Concat(new object[] {"配置文件中商户数为", MerchantConfig.MerchantNum, ", 但是请求指定的商户配置编号为", aMerchantNo, "！"}));
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}
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this.iLogWriter.logNewLine("extendPostRequest中==" + aMerchantNo);
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this.iLogWriter.logNewLine("检查交易请求是否合法：");
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this.checkRequest();
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this.iLogWriter.logNewLine("正确");
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this.iLogWriter.logNewLine("交易报文：");
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XMLDocument requestMessage = this.RequestMessage;
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this.iLogWriter.logNewLine("完整交易报文：");
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requestMessage = this.composeRequestMessage(aMerchantNo, requestMessage);
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this.iLogWriter.logNewLine("签名后的报文：");
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requestMessage = MerchantConfig.signMessage(aMerchantNo, requestMessage);
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this.iLogWriter.logNewLine("发送交易报文至网上支付平台：");
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XMLDocument aMessage = this.sendMessage(requestMessage);
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this.iLogWriter.logNewLine("验证网上支付平台响应报文的签名：");
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aMessage = MerchantConfig.verifySign(aMessage);
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this.iLogWriter.log("正确");
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this.iLogWriter.logNewLine("生成交易响应对象：");
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response = this.constructResponse(aMessage);
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this.iLogWriter.logNewLine("交易结果：[" + response.ReturnCode + "]");
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this.iLogWriter.logNewLine("错误信息：[" + response.ErrorMessage + "]");
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} catch (TrxException exception) {
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response = new TrxResponse(exception.Code, exception.Message + " - " + exception.DetailMessage);
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if (this.iLogWriter != null) {
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this.iLogWriter.logNewLine("错误代码：[" + response.ReturnCode + "] 错误信息：[" + response.ErrorMessage + "]");
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}
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} catch (Exception exception2) {
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response = new TrxResponse("1999", "系统发生无法预期的错误 - " + exception2.Message);
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if (this.iLogWriter != null) {
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this.iLogWriter.logNewLine("错误代码：[" + response.ReturnCode + "] 错误信息：[" + response.ErrorMessage + "]");
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}
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}
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if (this.iLogWriter != null) {
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this.iLogWriter.logNewLine("交易结束==================================================");
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this.iLogWriter.closeWriter(MerchantConfig.getTrxLogFile());
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}
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return response;
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}
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public virtual TrxResponse postRequest()
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{
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string aMerchantNo = MerchantConfig.FirstMerchantID();
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return this.extendPostRequest(aMerchantNo);
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}
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private XMLDocument sendMessage(XMLDocument aMessage)
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{
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string s = "<MSG>" + aMessage.ToString() + "</MSG>";
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this.iLogWriter.logNewLine("提交网上支付平台的报文：\n" + s);
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try {
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int length = Encoding.UTF8.GetBytes(s).Length;
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} catch (Exception exception) {
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SupportClass.WriteStackTrace(exception, Console.Out);
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throw new TrxException("1999", "系统发生无法预期的错误", exception.Message);
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}
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HttpWebRequest request = null;
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BufferedStream stream = null;
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HttpWebResponse response = null;
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string aXMLString = "";
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XMLDocument document = null;
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ServicePointManager.ServerCertificateValidationCallback = delegate {
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return true;
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};
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string str3 = MerchantConfig.TrustPayConnectMethod + "://" + MerchantConfig.TrustPayServerName;
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if ((MerchantConfig.TrustPayConnectMethod.Equals("https") && (MerchantConfig.TrustPayServerPort != 0x1bb)) || (MerchantConfig.TrustPayConnectMethod.Equals("http") && (MerchantConfig.TrustPayServerPort != 80))) {
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str3 = str3 + ":" + MerchantConfig.TrustPayServerPort;
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}
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try {
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this.iLogWriter.logNewLine("连线网上支付平台：[" + str3 + "] ");
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request = (HttpWebRequest)WebRequest.Create(str3 + MerchantConfig.TrustPayTrxURL);
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if (MerchantConfig.getParameterByName("ProxyIP", false) != null) {
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request.Proxy = new WebProxy(MerchantConfig.getParameterByName("ProxyIP", false), int.Parse(MerchantConfig.getParameterByName("ProxyPort", false)));
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}
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request.Method = "POST";
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request.ProtocolVersion = HttpVersion.Version10;
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request.ContentType = "application/x-www-form-urlencoded";
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this.iLogWriter.log("成功");
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this.iLogWriter.logNewLine("提交交易报文：");
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byte[] bytes = Encoding.UTF8.GetBytes(s);
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request.ContentLength = bytes.Length;
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stream = new BufferedStream(request.GetRequestStream());
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if (!stream.CanWrite) {
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throw new TrxException("1201", "无法连线网上支付平台", "无法连线到[" + str3 + "]");
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}
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stream.Write(bytes, 0, bytes.Length);
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stream.Flush();
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stream.Close();
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this.iLogWriter.log("成功");
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this.iLogWriter.logNewLine("等待网上支付平台返回交易结果：");
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response = (HttpWebResponse)request.GetResponse();
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Stream responseStream = response.GetResponseStream();
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Encoding encoding = Encoding.GetEncoding("gb2312");
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StreamReader reader = new StreamReader(responseStream, encoding);
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for (string str4 = null; (str4 = reader.ReadLine()) != null; str4 = reader.ReadLine()) {
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aXMLString = aXMLString + str4;
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if (str4.IndexOf("</MSG>") != -1) {
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break;
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}
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}
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response.Close();
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this.iLogWriter.log("成功");
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this.iLogWriter.logNewLine("返回报文：");
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this.iLogWriter.log("\n" + aXMLString.ToString());
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if (response.StatusCode != HttpStatusCode.OK) {
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throw new TrxException("1206", "网上支付平台服务暂时停止");
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}
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document = new XMLDocument(aXMLString).getValue("MSG");
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if (document == null) {
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throw new TrxException("1205", "无法辨识网上支付平台的响应报文", "无[MSG]段！");
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}
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} catch (WebException exception2) {
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this.iLogWriter.logNewLine(exception2.ToString());
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throw new TrxException("1201", "无法连线网上支付平台", "无法连线到[" + str3 + "], " + exception2.Message);
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} catch (IOException exception3) {
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this.iLogWriter.logNewLine(exception3.ToString());
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throw new TrxException("1202", "提交交易时发生网络错误", "连线中断！");
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} catch (SecurityException exception4) {
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this.iLogWriter.logNewLine(exception4.ToString());
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throw new TrxException("1201", "无法连线网上支付平台", "进程权限太低！");
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} catch (TrxException exception5) {
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throw exception5;
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} catch (Exception exception6) {
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this.iLogWriter.logNewLine(exception6.StackTrace);
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throw new TrxException("1201", "无法连线网上支付平台", exception6.StackTrace);
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} finally {
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if (stream != null) {
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try {
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stream.Close();
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} catch (Exception) {}
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}
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if (response != null) {
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try {
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response.Close();
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} catch (Exception) {}
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}
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}
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return document;
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}
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protected internal abstract XMLDocument RequestMessage { get; }
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}
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}
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