public async Task Precreate()
{
string orderId = Guid.NewGuid().ToString().Replace("-", string.Empty);
var content = new PrecreateContent
{
OutTradeNo = orderId,
Subject = "Preceate Test" + orderId,
TotalAmount = 1
};
var arg = new PrecreateArg
{
AppId = config.AppId,
BizContent = content
};
var client = new AlipayClient();
client.PrivateKey = @"D:\Programing\Dev Repos\ZeusPay\alipayPrivateKey.txt";
client.AlipayRootCertSN = GetCertSN(@"D:\Programing\Dev Repos\ZeusPay\alipayRootCert.crt");
client.AppCertSN = GetCertSN(@"D:\Programing\Dev Repos\ZeusPay\appCertPublicKey.crt");
client.UseProductEnv();
await PrecreateRequest.Request(client, arg);
}
public static async Task <PrecreateResult> Request(this AlipayClient client, PrecreateArg arg)
{
string text = JsonConvert.SerializeObject(arg);
var jObj = (JObject)JsonConvert.DeserializeObject(text);
JToken bizContent;
if (!jObj.TryGetValue("bizContent", out bizContent))
{
return(null);
}
jObj.Remove("bizContent");
var query = String.Join("&",
jObj.Children().Cast <JProperty>()
.OrderBy(c => c.Name)
.Select(jp => jp.Name + "=" + jp.Value.ToString()));
List <JToken> removeTokens = new List <JToken>();
foreach (var item in bizContent.Children().Cast <JProperty>())
{
if (string.IsNullOrWhiteSpace(item.Value.ToString()))
{
removeTokens.Add(item);
}
}
foreach (var item in removeTokens)
{
item.Remove();
}
query += "&biz_content=" + bizContent.ToString().Replace("\r\n", "");
string pattern = "(?:^|&)[a-zA-Z_]+=(?=&|$)";
if (client.EncryptMode == EncryptMode.RSA2)
{
query += "&sign_type=RSA2";
}
else if (client.EncryptMode == EncryptMode.RSA)
{
query += "&sign_type=RSA";
}
query += $"&app_cert_sn={client.AppCertSN}&alipay_root_cert_sn={client.AlipayRootCertSN}";
Regex rgx = new Regex(pattern);
text = rgx.Replace(query, "");
var queryString = HttpUtility.ParseQueryString(text);
queryString.Remove("sign");
//queryString.Remove("biz_content");
var orderedKeys = queryString.Cast <string>().Where(k => k != null).OrderBy(k => k);
text = string.Join("&", orderedKeys.Select(k =>
{
if (k != "timestamp")
{
return(string.Format("{0}={1}", k, queryString[k].Replace(" ", "")));
}
else
{
return(string.Format("{0}={1}", k, queryString[k]));
}
}
));
text = text.Replace(" \"", "");
if (client.EncryptMode == EncryptMode.RSA2)
{
string sign = AlipaySignature.RSASignCharSet(text, client.PrivateKey, "GBK", "RSA2");
//string sign = AlipaySignature.RSASignCharSet(HttpUtility.HtmlEncode(text), client.PrivateKey, "utf-8", "RSA2");
query = text + $"&sign={sign}";
}
else if (client.EncryptMode == EncryptMode.RSA)
{
string sign = AlipaySignature.RSASignCharSet(HttpUtility.HtmlEncode(text), client.PrivateKey, "GBK", "RSA");
query = text + $"&sign={sign}";
}
queryString = HttpUtility.ParseQueryString(query);
query = string.Join("&", queryString.Cast <string>().Select(k => string.Format("{0}={1}", k, HttpUtility.UrlEncode(queryString[k]))));
var parameters = new Dictionary <string, string>();
foreach (var k in queryString.Cast <string>())
{
parameters.Add(k, queryString[k]);
}
var encodedContent = new FormUrlEncodedContent(parameters);
//.Select(jp => jp.Name + "=" + HttpUtility.UrlEncode(jp.Value.ToString())));
var http = new HttpClient();
//var response = await http.GetAsync(client.Host + "?" + query);
var response = await http.PostAsync(client.Host, encodedContent);
if (response.StatusCode == HttpStatusCode.OK)
{
var content = await response.Content.ReadAsStringAsync();
return(JsonConvert.DeserializeObject <PrecreateResult>(content));
}
else
{
var content = await response.Content.ReadAsStringAsync();
return(null);
}
}
