private async Task <ICouchRawResponse> DnxCoreImplementation(Uri url, string method, string data, string contentType, ICouchAuthorizationInterceptor interceptor, int deep = 0)
{
using (var client = new HttpClient())
{
using (var request = new HttpRequestMessage
{
Method = new HttpMethod(method)
})
{
if (string.IsNullOrEmpty(data) == false)
{
request.Content = new StringContent(data, Encoding.UTF8, contentType);
}
if (interceptor != null)
{
foreach (var header in await interceptor.ProvideHeaders(url))
{
request.Headers.Add(header.Name, header.Value);
}
}
var result = await client.SendAsync(request);
if (result.StatusCode == HttpStatusCode.Unauthorized)
{
if (deep > 0)
{
throw new CouchException("Authentication interceptor failed to authenticate application.");
}
if (interceptor == null)
{
throw new CouchException("Authentication interceptor is not set, but server requires authentication.");
}
if (await interceptor.PerformAuthorization(url) == false)
{
throw new CouchException($"Authentication interceptor failed to authenticate host {url.Host}");
}
return(await DnxCoreImplementation(url, method, data, contentType, interceptor, ++deep));
}
if (result.IsSuccessStatusCode == false)
{
throw new CouchException($"Response status code does not indicate success or exception occured. {result.StatusCode} : {result.ReasonPhrase}");
}
var content = await result.Content.ReadAsStringAsync();
// return new DefaultCouch
throw new NotImplementedException();
}
}
}
private static async Task <ICouchRawResponse> Dnx451Implementation(Uri url, string method, string data, string contentType, ICouchAuthorizationInterceptor interceptor, int deep = 0)
{
var req = (HttpWebRequest)WebRequest.Create(url);
req.Method = method;
req.Timeout = Timeout.Infinite;
if (string.IsNullOrEmpty(contentType) == false)
{
req.ContentType = contentType;
}
if (string.IsNullOrEmpty(data) == false)
{
var bytes = Encoding.UTF8.GetBytes(data);
req.ContentLength = bytes.Length;
using (var ps = req.GetRequestStream())
{
ps.Write(bytes, 0, bytes.Length);
}
}
if (interceptor != null)
{
foreach (var header in await interceptor.ProvideHeaders(url))
{
req.Headers[header.Name] = header.Value;
}
}
try
{
using (var resp = (HttpWebResponse)await req.GetResponseAsync())
{
using (var stream = resp.GetResponseStream())
{
if (stream == null)
{
throw new InvalidOperationException("Response stream contains no data");
}
using (var reader = new StreamReader(stream))
{
var result = await reader.ReadToEndAsync();
return(new DefaultCouchRawResponse(result,
resp.Headers.AllKeys.Select(l => new DefaultCouchHeader(l, resp.Headers[l])).ToArray()));
}
}
}
}
catch (WebException e)
{
if (deep > 0)
{
throw new CouchException("Authentication interceptor failed to authenticate application.");
}
if ((e.Status != WebExceptionStatus.ProtocolError) && ((HttpWebResponse)e.Response).StatusCode != HttpStatusCode.Unauthorized)
{
throw new CouchException("Response status code does not indicate success or exception occured.", e);
}
if (interceptor == null)
{
throw new CouchException("Authentication interceptor is not set, but server requires authentication.", e);
}
if (await interceptor.PerformAuthorization(url) == false)
{
throw new CouchException($"Authentication interceptor failed to authenticate host {url.Host}");
}
return(await Dnx451Implementation(url, method, data, contentType, interceptor, ++deep));
}
}