/// <summary>
/// Ensures that success response is received.
/// </summary>
/// <param name="client">The client that is making the request.</param>
/// <param name="expectedStatusCode">The exected status code.</param>
/// <returns>
/// True if success response is received; false if redirection response is received.
/// In this case, _baseUri will be updated to be the new redirected Uri and the requrest
/// should be retried.
/// </returns>
public NuGetServiceGetClientResult ensure_successful_response(HttpClient client, HttpStatusCode? expectedStatusCode = null)
{
this.Log().Debug(() => "Reaching out to '{0}'".format_with(client.Uri.to_string()));
var result = new NuGetServiceGetClientResult
{
Success = false
};
HttpWebResponse response = null;
try
{
response = (HttpWebResponse)client.GetResponse();
result.Messages.Add(
new ResultMessage
{
MessageType = ResultType.Note,
Message = response != null ? response.StatusDescription : "Response was null"
});
if (response != null &&
((expectedStatusCode.HasValue && expectedStatusCode.Value != response.StatusCode) ||
// If expected status code isn't provided, just look for anything 400 (Client Errors) or higher (incl. 500-series, Server Errors)
// 100-series is protocol changes, 200-series is success, 300-series is redirect.
(!expectedStatusCode.HasValue && (int)response.StatusCode >= 400))) Bootstrap.handle_exception(new InvalidOperationException("Failed to process request.{0} '{1}'".format_with(Environment.NewLine, response.StatusDescription)));
else result.Success = true;
return result;
}
catch (WebException e)
{
if (e.Response == null)
{
Bootstrap.handle_exception(e);
return result;
}
response = (HttpWebResponse)e.Response;
// Check if the error is caused by redirection
if (response.StatusCode == HttpStatusCode.MultipleChoices ||
response.StatusCode == HttpStatusCode.MovedPermanently ||
response.StatusCode == HttpStatusCode.Found ||
response.StatusCode == HttpStatusCode.SeeOther ||
response.StatusCode == HttpStatusCode.TemporaryRedirect)
{
var location = response.Headers["Location"];
Uri newUri;
if (!Uri.TryCreate(client.Uri, location, out newUri))
{
Bootstrap.handle_exception(e);
return result;
}
result.RedirectUrl = newUri.ToString();
return result;
}
result.Messages.Add(
new ResultMessage
{
MessageType = ResultType.Note,
Message = response.StatusDescription
});
if (expectedStatusCode != response.StatusCode) Bootstrap.handle_exception(new InvalidOperationException("Failed to process request.{0} '{1}':{0} {2}".format_with(Environment.NewLine, response.StatusDescription, e.Message), e));
else result.Success = true;
return result;
}
finally
{
if (response != null)
{
response.Close();
response = null;
}
}
}
/// <summary>
/// Ensures that success response is received.
/// </summary>
/// <param name="client">The client that is making the request.</param>
/// <param name="expectedStatusCode">The exected status code.</param>
/// <returns>
/// True if success response is received; false if redirection response is received.
/// In this case, _baseUri will be updated to be the new redirected Uri and the requrest
/// should be retried.
/// </returns>
public NuGetServiceGetClientResult ensure_successful_response(HttpClient client, HttpStatusCode?expectedStatusCode = null)
{
this.Log().Debug(() => "Reaching out to '{0}'".format_with(client.Uri.to_string()));
var result = new NuGetServiceGetClientResult
{
Success = false
};
HttpWebResponse response = null;
try
{
response = (HttpWebResponse)client.GetResponse();
result.Messages.Add(
new ResultMessage
{
MessageType = ResultType.Note,
Message = response != null ? response.StatusDescription : "Response was null"
});
if (response != null &&
((expectedStatusCode.HasValue && expectedStatusCode.Value != response.StatusCode) ||
// If expected status code isn't provided, just look for anything 400 (Client Errors) or higher (incl. 500-series, Server Errors)
// 100-series is protocol changes, 200-series is success, 300-series is redirect.
(!expectedStatusCode.HasValue && (int)response.StatusCode >= 400)))
{
Bootstrap.handle_exception(new InvalidOperationException("Failed to process request.{0} '{1}'".format_with(Environment.NewLine, response.StatusDescription)));
}
else
{
result.Success = true;
}
return(result);
}
catch (WebException e)
{
if (e.Response == null)
{
Bootstrap.handle_exception(e);
return(result);
}
response = (HttpWebResponse)e.Response;
// Check if the error is caused by redirection
if (response.StatusCode == HttpStatusCode.MultipleChoices ||
response.StatusCode == HttpStatusCode.MovedPermanently ||
response.StatusCode == HttpStatusCode.Found ||
response.StatusCode == HttpStatusCode.SeeOther ||
response.StatusCode == HttpStatusCode.TemporaryRedirect)
{
var location = response.Headers["Location"];
Uri newUri;
if (!Uri.TryCreate(client.Uri, location, out newUri))
{
Bootstrap.handle_exception(e);
return(result);
}
result.RedirectUrl = newUri.ToString();
return(result);
}
result.Messages.Add(
new ResultMessage
{
MessageType = ResultType.Note,
Message = response.StatusDescription
});
if (expectedStatusCode != response.StatusCode)
{
Bootstrap.handle_exception(new InvalidOperationException("Failed to process request.{0} '{1}':{0} {2}".format_with(Environment.NewLine, response.StatusDescription, e.Message), e));
}
else
{
result.Success = true;
}
return(result);
}
finally
{
if (response != null)
{
response.Close();
response = null;
}
}
}
