public async Task <T> ExecuteAsync <T>(HttpRequest request, WeChatPayOptions options) where T : WeChatPayNotify
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (string.IsNullOrEmpty(options.Key))
{
throw new ArgumentNullException(nameof(options.Key));
}
var body = await new StreamReader(request.Body, Encoding.UTF8).ReadToEndAsync();
var parser = new WeChatPayXmlParser <T>();
var notify = parser.Parse(body);
if (notify is WeChatPayRefundNotify)
{
var key = MD5.Compute(options.Key).ToLowerInvariant();
var data = AES.Decrypt((notify as WeChatPayRefundNotify).ReqInfo, key, CipherMode.ECB, PaddingMode.PKCS7);
notify = parser.Parse(body, data);
}
else
{
CheckNotifySign(notify, options);
}
return(notify);
}
public Task <WeChatPayDictionary> ExecuteAsync(IWeChatPaySdkRequest request, WeChatPayOptions options)
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (string.IsNullOrEmpty(options.AppId))
{
throw new ArgumentNullException(nameof(options.AppId));
}
if (string.IsNullOrEmpty(options.MchId))
{
throw new ArgumentNullException(nameof(options.MchId));
}
if (string.IsNullOrEmpty(options.Key))
{
throw new ArgumentNullException(nameof(options.Key));
}
var sortedTxtParams = new WeChatPayDictionary(request.GetParameters());
request.PrimaryHandler(options, sortedTxtParams);
return(Task.FromResult(sortedTxtParams));
}
private void CheckResponseSign(WeChatPayResponse response, WeChatPayOptions options, bool signType = true)
{
if (string.IsNullOrEmpty(response.Body))
{
throw new WeChatPayException("sign check fail: Body is Empty!");
}
if (response.Parameters.Count == 0)
{
throw new WeChatPayException("sign check fail: Parameters is Empty!");
}
if (response.Parameters["return_code"] == "SUCCESS")
{
if (!response.Parameters.TryGetValue("sign", out var sign))
{
throw new WeChatPayException("sign check fail: sign is Empty!");
}
var cal_sign = WeChatPaySignature.SignWithKey(response.Parameters, options.Key, signType);
if (cal_sign != sign)
{
throw new WeChatPayException("sign check fail: check Sign and Data Fail!");
}
}
}
public async Task <T> ExecuteAsync <T>(IWeChatPayCertRequest <T> request, WeChatPayOptions options) where T : WeChatPayResponse
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (string.IsNullOrEmpty(options.AppId))
{
throw new ArgumentNullException(nameof(options.AppId));
}
if (string.IsNullOrEmpty(options.MchId))
{
throw new ArgumentNullException(nameof(options.MchId));
}
if (string.IsNullOrEmpty(options.Key))
{
throw new ArgumentNullException(nameof(options.Key));
}
if (string.IsNullOrEmpty(options.Certificate))
{
throw new ArgumentNullException(nameof(options.Certificate));
}
var signType = request.GetSignType();
var sortedTxtParams = new WeChatPayDictionary(request.GetParameters());
request.PrimaryHandler(options, signType, sortedTxtParams);
var hash = options.GetCertificateHash();
if (!_certificateManager.Contains(hash))
{
var certificate = File.Exists(options.Certificate) ?
new X509Certificate2(options.Certificate, options.CertificatePassword, X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.MachineKeySet) :
new X509Certificate2(Convert.FromBase64String(options.Certificate), options.CertificatePassword, X509KeyStorageFlags.PersistKeySet | X509KeyStorageFlags.MachineKeySet);
_certificateManager.TryAdd(hash, certificate);
}
var client = _httpClientFactory.CreateClient(Prefix + hash);
var body = await client.PostAsync(request.GetRequestUrl(), sortedTxtParams);
var parser = new WeChatPayXmlParser <T>();
var response = parser.Parse(body);
if (request.GetNeedCheckSign())
{
CheckResponseSign(response, options, signType);
}
return(response);
}
public WeChatPayNotifyClient(
ILogger <WeChatPayNotifyClient> logger,
IOptions <WeChatPayOptions> optionsAccessor)
{
Logger = logger;
Options = optionsAccessor.Value;
if (string.IsNullOrEmpty(Options.Key))
{
throw new ArgumentNullException(nameof(Options.Key));
}
}
public Task <T> PageExecuteAsync <T>(IWeChatPayRequest <T> request, WeChatPayOptions options) where T : WeChatPayResponse
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (string.IsNullOrEmpty(options.AppId))
{
throw new ArgumentNullException(nameof(options.AppId));
}
if (string.IsNullOrEmpty(options.MchId))
{
throw new ArgumentNullException(nameof(options.MchId));
}
if (string.IsNullOrEmpty(options.Key))
{
throw new ArgumentNullException(nameof(options.Key));
}
var signType = request.GetSignType();
var sortedTxtParams = new WeChatPayDictionary(request.GetParameters());
request.PrimaryHandler(options, signType, sortedTxtParams);
var url = request.GetRequestUrl();
if (url.Contains("?"))
{
url += "&" + WeChatPayUtility.BuildQuery(sortedTxtParams);
}
else
{
url += "?" + WeChatPayUtility.BuildQuery(sortedTxtParams);
}
var rsp = Activator.CreateInstance <T>();
rsp.ResponseBody = url;
return(Task.FromResult(rsp));
}
public async Task <T> ExecuteAsync <T>(IWeChatPayRequest <T> request, WeChatPayOptions options) where T : WeChatPayResponse
{
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (string.IsNullOrEmpty(options.AppId))
{
throw new ArgumentNullException(nameof(options.AppId));
}
if (string.IsNullOrEmpty(options.MchId))
{
throw new ArgumentNullException(nameof(options.MchId));
}
if (string.IsNullOrEmpty(options.Key))
{
throw new ArgumentNullException(nameof(options.Key));
}
var signType = request.GetSignType();
var sortedTxtParams = new WeChatPayDictionary(request.GetParameters());
request.PrimaryHandler(options, signType, sortedTxtParams);
var client = _httpClientFactory.CreateClient(nameof(WeChatPayClient));
var body = await client.PostAsync(request.GetRequestUrl(), sortedTxtParams);
var parser = new WeChatPayXmlParser <T>();
var response = parser.Parse(body);
if (request.GetNeedCheckSign())
{
CheckResponseSign(response, options, signType);
}
return(response);
}
private void CheckNotifySign(WeChatPayNotify notify, WeChatPayOptions options)
{
if (string.IsNullOrEmpty(notify.ResponseBody))
{
throw new WeChatPayException("sign check fail: Body is Empty!");
}
if (notify.ResponseParameters.Count == 0)
{
throw new WeChatPayException("sign check fail: Parameters is Empty!");
}
if (!notify.ResponseParameters.TryGetValue("sign", out var sign))
{
throw new WeChatPayException("sign check fail: sign is Empty!");
}
var cal_sign = WeChatPaySignature.SignWithKey(notify.ResponseParameters, options.Key, WeChatPaySignType.MD5);
if (cal_sign != sign)
{
throw new WeChatPayException("sign check fail: check Sign and Data Fail!");
}
}
public WeChatPayClient(
ILogger <WeChatPayClient> logger,
IHttpClientFactory clientFactory,
IOptions <WeChatPayOptions> optionsAccessor)
{
Logger = logger;
ClientFactory = clientFactory;
Options = optionsAccessor.Value;
if (string.IsNullOrEmpty(Options.AppId))
{
throw new ArgumentNullException(nameof(Options.AppId));
}
if (string.IsNullOrEmpty(Options.MchId))
{
throw new ArgumentNullException(nameof(Options.MchId));
}
if (string.IsNullOrEmpty(Options.Key))
{
throw new ArgumentNullException(nameof(Options.Key));
}
}
