public static string RSASign(string sourceSignString, AsymmetricKeyParameter privateKey)
{
var sha256SourceSignString = SHA256.Compute(sourceSignString);
var newsks = RSA_ECB_PKCS1Padding.Encrypt(Encoding.UTF8.GetBytes(sha256SourceSignString), privateKey);
return(Convert.ToBase64String(newsks, Base64FormattingOptions.InsertLineBreaks));
}
public static bool RSACheckContent(string content, string sign, AsymmetricKeyParameter publicKey)
{
var sha256SourceSignString = SHA256.Compute(content);
var decryptArr = RSA_ECB_PKCS1Padding.Decrypt(Convert.FromBase64String(sign), publicKey);
var decrypStr = Encoding.UTF8.GetString(decryptArr);
return(sha256SourceSignString.Equals(decrypStr));
}
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);
}
}
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>(HttpRequest request) where T : JDPayNotifyResponse
{
if (request.HasFormContentType || request.Method == "GET")
{
var rspInstance = Activator.CreateInstance <T>();
var parameters = GetParameters(request, !(rspInstance is JDPayDefrayPayNotifyResponse));
var query = JDPayUtility.BuildQuery(parameters);
Logger?.LogTrace(0, "Request:{query}", query);
var parser = new JDPayDictionaryParser <T>();
var rsp = parser.Parse(parameters);
if (rsp is JDPayDefrayPayNotifyResponse)
{
CheckNotifyDefrayPaySign(rsp.Parameters);
}
else
{
CheckNotifySign(rsp.Parameters);
}
return(rsp);
}
else if (request.HasTextXmlContentType())
{
var body = await new StreamReader(request.Body).ReadToEndAsync();
Logger?.LogTrace(0, "Request:{body}", 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(1, "Encrypt Content:{reqBody}", 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;
return(rsp);
}
else
{
throw new Exception("sign check fail: check Sign and Data Fail!");
}
}
else
{
throw new Exception("encrypt is Empty!");
}
}
else
{
throw new Exception("content type is not supported!");
}
}
public async Task <T> ExecuteAsync <T>(HttpRequest request) where T : JDPayNotifyResponse
{
if (request.HasFormContentType)
{
var parameters = await GetParametersAsync(request);
var query = HttpClientEx.BuildQuery(parameters);
Logger.LogInformation(0, "Request:{query}", query);
var parser = new JDPayDictionaryParser <T>();
var rsp = parser.Parse(parameters);
CheckNotifySign(rsp.Parameters, PrivateKey);
return(rsp);
}
else if (request.HasTextXmlContentType())
{
var body = await new StreamReader(request.Body).ReadToEndAsync();
Logger.LogInformation(0, "Request:{body}", 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 = DES3.DecryptECB(base64EncryptStr, DesKey);
Logger.LogInformation(1, "Encrypt Content:{body}", reqBody);
var reqBodyDoc = new XmlDocument();
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), PublicKey);
var decryptStr = DES3.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);
}
else
{
throw new Exception("sign check fail: check Sign and Data Fail!");
}
}