public ServiceResponse(HttpResponseMessage response, Stream responseContent, Func <Stream, TContent> convert)
{
Code = (int)response.StatusCode;
Success = response.IsSuccessStatusCode;
ContentType = response.Content.Headers.ContentType.ToString();
switch (response.StatusCode)
{
case HttpStatusCode.OK:
Content = convert(responseContent);
break;
case HttpStatusCode.Forbidden:
Error = AuthenticationError.Parse(responseContent);
break;
case HttpStatusCode.BadRequest:
Error = AuthenticationError.Parse(responseContent) ?? ServiceError.Parse(responseContent);
break;
default:
Error = ServiceError.Parse(responseContent);
break;
}
}
/// <summary>
/// Gets a valid access token.
/// </summary>
/// <param name="cancellationToken">The cancellation notification.</param>
/// <returns>A valid access token.</returns>
private async Task <OAuthToken> GetToken(CancellationToken cancellationToken)
{
if (_cacheToken != null && _cacheToken.Validate())
{
return(_cacheToken);
}
using (var request = new HttpRequestMessage(HttpMethod.Post, "auth/accesstoken"))
{
request.Headers.Accept.Add(MediaTypeWithQualityHeaderValue.Parse("application/json"));
request.Headers.Authorization = new AuthenticationHeaderValue("Basic", _consumer);
request.Content = new FormUrlEncodedContent(new Dictionary <string, string> {
{ "grant_type", "client_credentials" }
});
using (var response = await _client.SendAsync(request, cancellationToken))
using (var responseContent = await response.Content.ReadAsStreamAsync())
{
if (!response.IsSuccessStatusCode)
{
var error = AuthenticationError.Parse(responseContent);
throw new OPSAuthenticationException(error);
}
try
{
var serializer = new DataContractJsonSerializer(typeof(OAuthToken));
return(_cacheToken = serializer.ReadObject(responseContent) as OAuthToken);
}
catch (Exception exception)
{
throw new OPSSerializationException(responseContent, exception);
}
}
}
}