private void HandleIfErrorResponse(RegistryApiResponse response)
{
// If no customer handlers just default the response.
foreach (var handler in _errorHandlers)
{
handler(response);
}
// No custom handler was fired. Default the response for generic success/failures.
if (response.StatusCode < HttpStatusCode.OK || response.StatusCode >= HttpStatusCode.BadRequest)
{
throw new RegistryApiException(response);
}
}
internal async Task <RegistryApiResponse <Stream> > MakeRequestForStreamedResponseAsync(
CancellationToken cancellationToken,
HttpMethod method,
string path,
IQueryString queryString = null)
{
var response = await InternalMakeRequestAsync(s_InfiniteTimeout, HttpCompletionOption.ResponseHeadersRead, method, path, queryString, null, null, cancellationToken);
var body = await response.Content.ReadAsStreamAsync();
var apiResponse = new RegistryApiResponse <Stream>(response.StatusCode, body, response.Headers);
HandleIfErrorResponse(apiResponse);
return(apiResponse);
}
internal async Task <RegistryApiResponse <string> > MakeRequestAsync(
CancellationToken cancellationToken,
HttpMethod method,
string path,
IQueryString queryString = null,
IDictionary <string, string> headers = null,
Func <HttpContent> content = null)
{
using (var response = await InternalMakeRequestAsync(DefaultTimeout,
HttpCompletionOption.ResponseContentRead, method, path, queryString, headers, content, cancellationToken))
{
var responseBody = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
var apiResponse = new RegistryApiResponse <string>(response.StatusCode, responseBody, response.Headers);
HandleIfErrorResponse(apiResponse);
return(apiResponse);
}
}
internal RegistryApiException(RegistryApiResponse response)
: base($"Docker API responded with status code={response.StatusCode}")
{
StatusCode = response.StatusCode;
Headers = response.Headers;
}
/// <summary>
/// Attempts to retrieve the value of a response header.
/// </summary>
/// <param name="response"></param>
/// <param name="name"></param>
/// <returns>The first value if one is found, null otherwise.</returns>
public static string GetHeader(this RegistryApiResponse response, string name)
{
return(response.Headers
.FirstOrDefault(h => h.Key == name).Value?.FirstOrDefault());
}