private JDPayDictionary BuildEncryptDic <T>(IJDPayRequest <T> request, IDictionary <string, string> dictionary, JDPayOptions options) where T : JDPayResponse
{
var signDic = new JDPayDictionary(dictionary)
{
{ JDPayContants.VERSION, request.GetApiVersion() },
{ JDPayContants.MERCHANT, options.Merchant }
};
var signContent = JDPaySecurity.GetSignContent(signDic);
var sign = JDPaySecurity.RSASign(signContent, options.PrivateKey);
var encyptDic = new JDPayDictionary
{
{ JDPayContants.VERSION, request.GetApiVersion() },
{ JDPayContants.MERCHANT, options.Merchant },
{ JDPayContants.SIGN, sign }
};
foreach (var iter in dictionary)
{
if (!string.IsNullOrEmpty(iter.Value))
{
encyptDic.Add(iter.Key, JDPaySecurity.EncryptECB(iter.Value, options.DesKeyBase64));
}
}
return(encyptDic);
}
private JDPayDictionary BuildEncryptDic <T>(IJDPayRequest <T> request, IDictionary <string, string> parameters) where T : JDPayResponse
{
var signDic = new JDPayDictionary(parameters)
{
{ VERSION, request.GetApiVersion() },
{ MERCHANT, Options.Merchant },
};
var signContent = JDPaySecurity.GetSignContent(signDic);
var sign = JDPaySecurity.RSASign(signContent, PrivateKey);
var encyptDic = new JDPayDictionary
{
{ VERSION, request.GetApiVersion() },
{ MERCHANT, Options.Merchant },
{ SIGN, sign }
};
foreach (var iter in parameters)
{
if (!string.IsNullOrEmpty(iter.Value))
{
encyptDic.Add(iter.Key, JDPaySecurity.EncryptECB(iter.Value, DesKey));
}
}
return(encyptDic);
}
public Task <T> PageExecuteAsync <T>(IJDPayRequest <T> request, string reqMethod) where T : JDPayResponse
{
// 字典排序
var sortedTxtParams = new JDPayDictionary(request.GetParameters());
var encyptParams = BuildEncryptDic(request, sortedTxtParams);
var rsp = Activator.CreateInstance <T>();
var url = request.GetRequestUrl();
if (reqMethod == "GET")
{
//拼接get请求的url
var tmpUrl = url;
if (encyptParams != null && encyptParams.Count > 0)
{
if (tmpUrl.Contains("?"))
{
tmpUrl = tmpUrl + "&" + HttpClientEx.BuildQuery(encyptParams);
}
else
{
tmpUrl = tmpUrl + "?" + HttpClientEx.BuildQuery(encyptParams);
}
}
rsp.Body = tmpUrl;
}
else
{
//输出post表单
rsp.Body = BuildHtmlRequest(url, encyptParams);
}
return(Task.FromResult(rsp));
}
public async Task <T> ExecuteAsync <T>(IJDPayRequest <T> request) where T : JDPayResponse
{
// 字典排序
var sortedTxtParams = new JDPayDictionary(request.GetParameters());
var content = BuildEncryptXml(request, sortedTxtParams);
Logger?.LogTrace(0, "Request:{content}", content);
using (var client = ClientFactory.CreateClient(JDPayOptions.DefaultClientName))
{
var body = await HttpClientUtility.DoPostAsync(client, request.GetRequestUrl(), content);
Logger?.LogTrace(1, "Response:{content}", body);
var parser = new JDPayXmlParser <T>();
var rsp = parser.Parse(JDPayUtility.FotmatXmlString(body));
if (!string.IsNullOrEmpty(rsp.Encrypt))
{
var encrypt = rsp.Encrypt;
var base64EncryptStr = Encoding.UTF8.GetString(Convert.FromBase64String(encrypt));
var reqBody = JDPaySecurity.DecryptECB(base64EncryptStr, Options.DesKeyBase64);
Logger?.LogTrace(2, "Encrypt Content:{body}", reqBody);
var reqBodyDoc = new XmlDocument()
{
XmlResolver = null
};
reqBodyDoc.LoadXml(reqBody);
var sign = JDPayUtility.GetValue(reqBodyDoc, "sign");
var rootNode = reqBodyDoc.SelectSingleNode("jdpay");
var signNode = rootNode.SelectSingleNode("sign");
rootNode.RemoveChild(signNode);
var reqBodyStr = JDPayUtility.ConvertXmlToString(reqBodyDoc);
var xmlh = rsp.Body.Substring(0, rsp.Body.IndexOf("<jdpay>"));
if (!string.IsNullOrEmpty(xmlh))
{
reqBodyStr = reqBodyStr.Replace("<?xml version=\"1.0\" encoding=\"UTF-8\"?>", xmlh);
}
var sha256SourceSignString = SHA256.Compute(reqBodyStr);
var decryptByte = RSA_ECB_PKCS1Padding.Decrypt(Convert.FromBase64String(sign), Options.PublicKey);
var decryptStr = JDPaySecurity.BytesToString(decryptByte);
if (sha256SourceSignString == decryptStr)
{
rsp = parser.Parse(reqBody);
rsp.Encrypt = encrypt;
}
else
{
throw new Exception("sign check fail: check Sign and Data Fail!");
}
}
return(rsp);
}
}
public Task <T> PageExecuteAsync <T>(IJDPayRequest <T> request) where T : JDPayResponse
{
// 字典排序
var sortedTxtParams = new JDPayDictionary(request.GetParameters());
var encyptParams = BuildEncryptDic(request, sortedTxtParams);
var rsp = Activator.CreateInstance <T>();
//输出post表单
rsp.Body = BuildHtmlRequest(request, encyptParams);
return(Task.FromResult(rsp));
}
public Task <T> PageExecuteAsync <T>(IJDPayRequest <T> request, string optionsName) where T : JDPayResponse
{
var options = string.IsNullOrEmpty(optionsName) ? _optionsSnapshotAccessor.Value : _optionsSnapshotAccessor.Get(optionsName);
// 字典排序
var sortedTxtParams = new JDPayDictionary(request.GetParameters());
var encyptParams = BuildEncryptDic(request, sortedTxtParams, options);
var rsp = Activator.CreateInstance <T>();
//输出post表单
rsp.Body = BuildHtmlRequest(request, encyptParams);
return(Task.FromResult(rsp));
}
private string BuildHtmlRequest <T>(IJDPayRequest <T> request, IDictionary <string, string> parameters) where T : JDPayResponse
{
var sb = new StringBuilder();
sb.Append("<form id='submit' name='submit' action='" + request.GetRequestUrl() + "' method='post' style='display:none;'>");
foreach (var iter in parameters)
{
if (!string.IsNullOrEmpty(iter.Value))
{
sb.Append("<input name='" + iter.Key + "' value='" + iter.Value + "'/>");
}
}
sb.Append("<input type='submit' style='display:none;'></form>");
sb.Append("<script>document.forms['submit'].submit();</script>");
return(sb.ToString());
}
private string BuildEncryptXml <T>(IJDPayRequest <T> request, JDPayDictionary dic) where T : JDPayResponse
{
var xmldoc = JDPayUtility.SortedDictionary2AllXml(dic);
var smlStr = JDPayUtility.ConvertXmlToString(xmldoc);
var sha256SourceSignString = SHA256.Compute(smlStr);
var encyptBytes = RSA_ECB_PKCS1Padding.Encrypt(Encoding.UTF8.GetBytes(sha256SourceSignString), PrivateKey);
var sign = Convert.ToBase64String(encyptBytes, Base64FormattingOptions.InsertLineBreaks);
var data = smlStr.Replace("</jdpay>", "<sign>" + sign + "</sign></jdpay>");
var encrypt = JDPaySecurity.EncryptECB(data, DesKey);
// 字典排序
var reqdic = new JDPayDictionary
{
{ VERSION, request.GetApiVersion() },
{ MERCHANT, Options.Merchant },
{ ENCRYPT, Convert.ToBase64String(Encoding.UTF8.GetBytes(encrypt)) }
};
return(JDPayUtility.SortedDictionary2XmlStr(reqdic));
}
public async Task <T> ExecuteAsync <T>(IJDPayRequest <T> request) where T : JDPayResponse
{
return(await ExecuteAsync(request, null));
}
public Task <T> PageExecuteAsync <T>(IJDPayRequest <T> request) where T : JDPayResponse
{
return(PageExecuteAsync(request, null));
}