public void StartRequest(string api, string method, XHttpRequestParamters paramter, HttpResponseHandler handler, bool needAuthtication = false)
{
var request = (HttpWebRequest)WebRequest.Create(api);
request.Method = method;
request.Accept = "application/json";
request.ContentType = "application/x-www-form-urlencoded";
if (needAuthtication)
{
AddAuthenticationHead(new Uri(api), method, paramter);
}
foreach (var headerString in paramter.HeaderStrings)
{
request.Headers[headerString.Key] = headerString.Value;
}
if (paramter.BodyParamters != null)
{
var urlEncodedContent = paramter.BodyParamters is string?paramter.BodyParamters.ToString()
: new FormUrlEncodedContent(paramter.BodyParamters.ToKeyValue()).ReadAsStringAsync().Result;
request.BeginGetRequestStream(PostCallBack, new HttpRequestAsyncState(request, urlEncodedContent, handler));
}
else
{
request.BeginGetResponse(ReadCallBack, new HttpResponseAsyncResult(request, handler));
}
}
public Task <string> StartRequestAsync(string api, string method, XHttpRequestParamters paramter, bool needAuthtication = false)
{
var request = (HttpWebRequest)WebRequest.Create(api);
request.Method = method;
request.Accept = "application/json";
request.ContentType = "application/x-www-form-urlencoded";
if (needAuthtication)
{
AddAuthenticationHead(new Uri(api), method, paramter);
}
foreach (var headerString in paramter.HeaderStrings)
{
request.Headers.Add(headerString.Key, headerString.Value);
}
if (paramter.BodyParamters != null)
{
var s = paramter.BodyParamters is string?paramter.BodyParamters.ToString()
: new FormUrlEncodedContent(paramter.BodyParamters.ToKeyValue()).ReadAsStringAsync().Result;
var requestStream = request.GetRequestStream();
var bytes = Encoding.UTF8.GetBytes(s);
requestStream.Write(bytes, 0, bytes.Length);
}
return(Task.Factory.FromAsync(request.BeginGetResponse, asyncResult => request.EndGetResponse(asyncResult), null).ContinueWith <string>(t => ReadStreamFromResponse(t.Result)));
}
private void AddAuthenticationHead(Uri apiUrl, string method, XHttpRequestParamters paramter)
{
var requestContentBase64String = string.Empty;
var requestUri = HttpUtility.UrlEncode(apiUrl.ToString().ToLower());
var requestHttpMethod = method;
var requestTimeStamp = Convert.ToUInt64((DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc)).TotalSeconds).ToString();
var nonce = Guid.NewGuid().ToString("N");
if (paramter.BodyParamters != null)
{
requestContentBase64String = Convert.ToBase64String(MD5.Create().ComputeHash(Encoding.UTF8.GetBytes(paramter.BodyParamters is string
?paramter.BodyParamters.ToString()
: new FormUrlEncodedContent(paramter.BodyParamters.ToKeyValue()).ReadAsStringAsync().Result)));
}
var s = $"{AppId}{requestHttpMethod}{requestUri}{requestTimeStamp}{nonce}{requestContentBase64String}";
var key = Convert.FromBase64String(ApiKey);
var bytes = Encoding.UTF8.GetBytes(s);
using (var hmacshA256 = new HMACSHA256(key))
{
var base64String = Convert.ToBase64String(hmacshA256.ComputeHash(bytes));
paramter.AddHeader("Authorization", $"cpx {AppId}:{base64String}:{nonce}:{requestTimeStamp}");
}
}