public static JsonMessage DES3Decrypt(string text, string key)
{
JsonMessage jsonMessage = new JsonMessage();
if (string.IsNullOrEmpty(text))
{
jsonMessage.Flag = false;
jsonMessage.Message = "解密内容不能为空";
return(jsonMessage);
}
try {
jsonMessage.Flag = true;
if (string.IsNullOrEmpty(key))
{
key = s_key;
}
jsonMessage.Data = DES3.Decrypt(text, key);
}
catch (Exception ex) {
jsonMessage.Flag = false;
jsonMessage.Message = ex.Message;
}
return(jsonMessage);
}
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!");
}
}
private async Task <JDPayDictionary> GetParametersAsync(HttpRequest request)
{
var parameters = new JDPayDictionary();
var form = await request.ReadFormAsync();
foreach (var item in form)
{
parameters.Add(item.Key, item.Key.Equals(SIGN) ? item.Value.ToString() : DES3.DecryptECB(item.Value, DesKey));
}
return(parameters);
}
