public JDPayClient(
IOptions <JDPayOptions> optionsAccessor,
ILogger <JDPayClient> logger,
IHttpClientFactory clientFactory)
{
Logger = logger;
ClientFactory = clientFactory;
Options = optionsAccessor.Value;
if (string.IsNullOrEmpty(Options.Merchant))
{
throw new ArgumentNullException(nameof(Options.Merchant));
}
if (string.IsNullOrEmpty(Options.RsaPrivateKey))
{
throw new ArgumentNullException(nameof(Options.RsaPrivateKey));
}
if (string.IsNullOrEmpty(Options.RsaPublicKey))
{
throw new ArgumentNullException(nameof(Options.RsaPublicKey));
}
if (string.IsNullOrEmpty(Options.DesKey))
{
throw new ArgumentNullException(nameof(Options.DesKey));
}
}
public async Task <T> ExecuteAsync <T>(IJDPayNPP10Request <T> request, JDPayOptions options) where T : JDPayResponse
{
var sortedTxtParams = new JDPayDictionary(request.GetParameters())
{
{ JDPayContants.CUSTOMER_NO, options.CustomerNo },
{ JDPayContants.SIGN_TYPE, options.SignType }
};
var isEncrypt = false;
if (request is JDPayDefrayPayRequest)
{
isEncrypt = true;
}
var encryptDic = JDPaySecurity.EncryptData(options.PrivateCret, options.Password, options.PublicCert, sortedTxtParams, options.SingKey, options.EncryptType, isEncrypt);
var content = JDPayUtility.BuildQuery(encryptDic);
using (var client = _httpClientFactory.CreateClient(nameof(JDPayClient)))
{
var body = await client.DoPostAsync(request.GetRequestUrl(), content, "application/x-www-form-urlencoded");
// 验签
var dictionary = JsonConvert.DeserializeObject <JDPayDictionary>(body);
if (!JDPaySecurity.VerifySign(dictionary, options.SingKey))
{
throw new JDPayException("sign check fail: check Sign and Data Fail!");
}
var rsp = JsonConvert.DeserializeObject <T>(body);
rsp.Body = body;
return(rsp);
}
}
public Task <T> PageExecuteAsync <T>(IJDPayRequest <T> request, JDPayOptions options) where T : JDPayResponse
{
// 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));
}
public async Task <T> ExecuteAsync <T>(IJDPayRequest <T> request, JDPayOptions options) where T : JDPayResponse
{
// 字典排序
var sortedTxtParams = new JDPayDictionary(request.GetParameters());
var content = BuildEncryptXml(request, sortedTxtParams, options);
using (var client = _httpClientFactory.CreateClient(nameof(JDPayClient)))
{
var body = await client.DoPostAsync(request.GetRequestUrl(), content);
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);
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), options.PublicKey);
var decryptStr = JDPaySecurity.BytesToString(decryptByte);
if (sha256SourceSignString == decryptStr)
{
rsp = parser.Parse(reqBody);
rsp.Encrypt = encrypt;
}
else
{
throw new JDPayException("sign check fail: check Sign and Data Fail!");
}
}
return(rsp);
}
}
private void CheckNotifyDefrayPaySign(JDPayDictionary dictionary, JDPayOptions options)
{
if (dictionary.Count == 0)
{
throw new JDPayException("sign check fail: dictionary is Empty!");
}
if (!dictionary.TryGetValue(JDPayContants.SIGN_DATA, out var sign_data))
{
throw new JDPayException("sign check fail: sign is Empty!");
}
if (!JDPaySecurity.VerifySign(dictionary, options.SingKey))
{
throw new JDPayException("sign check fail: check Sign and Data Fail!");
}
}
private void CheckNotifySign(JDPayDictionary dictionary, JDPayOptions options)
{
if (dictionary.Count == 0)
{
throw new JDPayException("sign check fail: dictionary is Empty!");
}
if (!dictionary.TryGetValue(JDPayContants.SIGN, out var sign))
{
throw new JDPayException("sign check fail: sign is Empty!");
}
var signContent = JDPaySecurity.GetSignContent(dictionary);
if (!JDPaySecurity.RSACheckContent(signContent, sign, options.PublicKey))
{
throw new JDPayException("sign check fail: check Sign and Data Fail");
}
}
private JDPayDictionary GetParameters(HttpRequest request, JDPayOptions options, bool isDecrypt = true)
{
var dictionary = new JDPayDictionary();
if (request.Method == "POST")
{
foreach (var iter in request.Form)
{
if (!string.IsNullOrEmpty(iter.Value))
{
var value = iter.Value.ToString();
if (isDecrypt)
{
value = iter.Key == JDPayContants.SIGN ? iter.Value.ToString() : JDPaySecurity.DecryptECB(iter.Value, options.DesKeyBase64);
}
dictionary.Add(iter.Key, value);
}
}
}
else
{
foreach (var iter in request.Query)
{
if (!string.IsNullOrEmpty(iter.Value))
{
var value = iter.Value.ToString();
if (isDecrypt)
{
value = iter.Key == JDPayContants.SIGN ? iter.Value.ToString() : JDPaySecurity.DecryptECB(iter.Value, options.DesKeyBase64);
}
dictionary.Add(iter.Key, value);
}
}
}
return(dictionary);
}
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 string BuildEncryptXml <T>(IJDPayRequest <T> request, JDPayDictionary dictionary, JDPayOptions options) where T : JDPayResponse
{
var xmldoc = JDPayUtility.SortedDictionary2AllXml(dictionary);
var smlStr = JDPayUtility.ConvertXmlToString(xmldoc);
var sha256SourceSignString = SHA256.Compute(smlStr);
var encyptBytes = RSA_ECB_PKCS1Padding.Encrypt(Encoding.UTF8.GetBytes(sha256SourceSignString), options.PrivateKey);
var sign = Convert.ToBase64String(encyptBytes, Base64FormattingOptions.InsertLineBreaks);
var data = smlStr.Replace("</jdpay>", "<sign>" + sign + "</sign></jdpay>");
var encrypt = JDPaySecurity.EncryptECB(data, options.DesKeyBase64);
// 字典排序
var reqdic = new JDPayDictionary
{
{ JDPayContants.VERSION, request.GetApiVersion() },
{ JDPayContants.MERCHANT, options.Merchant },
{ JDPayContants.ENCRYPT, Convert.ToBase64String(Encoding.UTF8.GetBytes(encrypt)) }
};
return(JDPayUtility.SortedDictionary2XmlStr(reqdic));
}
public async Task <T> ExecuteAsync <T>(HttpRequest request, JDPayOptions options) where T : JDPayNotify
{
if (request.HasFormContentType || request.Method == "GET")
{
var rspInstance = Activator.CreateInstance <T>();
var parameters = GetParameters(request, options, !(rspInstance is JDPayDefrayPayNotify));
var parser = new JDPayDictionaryParser <T>();
var rsp = parser.Parse(parameters);
if (rsp is JDPayDefrayPayNotify)
{
CheckNotifyDefrayPaySign(rsp.Parameters, options);
}
else
{
CheckNotifySign(rsp.Parameters, options);
}
return(rsp);
}
if (request.HasTextXmlContentType())
{
var body = await new StreamReader(request.Body).ReadToEndAsync();
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);
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), options.PublicKey);
var decryptStr = JDPaySecurity.BytesToString(decryptByte);
if (sha256SourceSignString == decryptStr)
{
rsp = parser.Parse(reqBody);
rsp.Encrypt = encrypt;
return(rsp);
}
throw new JDPayException("sign check fail: check Sign and Data Fail!");
}
throw new JDPayException("encrypt is Empty!");
}
throw new JDPayException("content type is not supported!");
}