protected async Task <ExchangeResponse> GetResponse(ExchangeRequestBase request)
{
var relativeUrl = request.RequestUrl;
var absoluteUri = new Uri(new Uri(API_ENDPOINT_URL), relativeUrl);
var timestamp = (request.TimeStamp).ToString(System.Globalization.CultureInfo.InvariantCulture);
var body = request.RequestBody;
var method = request.Method;
var url = absoluteUri.ToString();
var passphrase = _authContainer.Passphrase;
var apiKey = _authContainer.ApiKey;
// Caution: Use the relative URL, *NOT* the absolute one.
var signature = _authContainer.ComputeSignature(timestamp, relativeUrl, method, body);
using (var httpClient = new HttpClient())
{
HttpResponseMessage response;
httpClient.DefaultRequestHeaders.Add("CB-ACCESS-KEY", apiKey);
httpClient.DefaultRequestHeaders.Add("CB-ACCESS-SIGN", signature);
httpClient.DefaultRequestHeaders.Add("CB-ACCESS-TIMESTAMP", timestamp);
httpClient.DefaultRequestHeaders.Add("CB-ACCESS-PASSPHRASE", passphrase);
httpClient.DefaultRequestHeaders.Add("User-Agent", "sefbkn.github.io");
switch (method)
{
case "GET":
response = await httpClient.GetAsync(absoluteUri);
break;
case "POST":
var requestBody = new StringContent(body, Encoding.UTF8, "application/json");
response = await httpClient.PostAsync(absoluteUri, requestBody);
break;
default:
throw new NotImplementedException("The supplied HTTP method is not supported: " + method ?? "(null)");
}
var contentBody = await response.Content.ReadAsStringAsync();
var headers = response.Headers.AsEnumerable();
var statusCode = response.StatusCode;
var isSuccess = response.IsSuccessStatusCode;
var genericExchangeResponse = new ExchangeResponse(statusCode, isSuccess, headers, contentBody);
return(genericExchangeResponse);
}
}
protected ExchangePageableResponseBase(ExchangeResponse response)
{
var beforeHeader = response.Headers.LastOrDefault(x => x.Key != null && x.Key.ToUpper() == "CB-BEFORE");
var afterHeader = response.Headers.LastOrDefault(x => x.Key != null && x.Key.ToUpper() == "CB-AFTER");
if (beforeHeader.Value != null)
{
BeforePaginationToken = beforeHeader.Value.LastOrDefault();
}
if (afterHeader.Value != null)
{
AfterPaginationToken = afterHeader.Value.LastOrDefault();
}
}
protected ExchangeResponseBase(ExchangeResponse response)
{
}