private static void ParseWellKnownErrorNoContent(IRestResponse response)
{
MinioException error = null;
ErrorResponse errorResponse = new ErrorResponse();
foreach (Parameter parameter in response.Headers)
{
if (parameter.Name.Equals("x-amz-id-2", StringComparison.CurrentCultureIgnoreCase))
{
errorResponse.HostId = parameter.Value.ToString();
}
if (parameter.Name.Equals("x-amz-request-id", StringComparison.CurrentCultureIgnoreCase))
{
errorResponse.RequestId = parameter.Value.ToString();
}
if (parameter.Name.Equals("x-amz-bucket-region", StringComparison.CurrentCultureIgnoreCase))
{
errorResponse.BucketRegion = parameter.Value.ToString();
}
}
errorResponse.Resource = response.Request.Resource;
// zero, one or two segments
var resourceSplits = response.Request.Resource.Split(new[] { '/' }, 2, StringSplitOptions.RemoveEmptyEntries);
if (HttpStatusCode.NotFound.Equals(response.StatusCode))
{
int pathLength = resourceSplits.Length;
bool isAWS = response.ResponseUri.Host.EndsWith("s3.amazonaws.com");
bool isVirtual = isAWS && !response.ResponseUri.Host.StartsWith("s3.amazonaws.com");
if (pathLength > 1)
{
var objectName = resourceSplits[1];
errorResponse.Code = "NoSuchKey";
error = new ObjectNotFoundException(objectName, "Not found.");
}
else if (pathLength == 1)
{
var resource = resourceSplits[0];
if (isAWS && isVirtual && response.Request.Resource != string.Empty)
{
errorResponse.Code = "NoSuchKey";
error = new ObjectNotFoundException(resource, "Not found.");
}
else
{
errorResponse.Code = "NoSuchBucket";
BucketRegionCache.Instance.Remove(resource);
error = new BucketNotFoundException(resource, "Not found.");
}
}
else
{
error = new InternalClientException("404 without body resulted in path with less than two components", response);
}
}
else if (HttpStatusCode.BadRequest.Equals(response.StatusCode))
{
int pathLength = resourceSplits.Length;
if (pathLength > 1)
{
var objectName = resourceSplits[1];
errorResponse.Code = "InvalidObjectName";
error = new InvalidObjectNameException(objectName, "Invalid object name.");
}
else
{
error = new InternalClientException("400 without body resulted in path with less than two components", response);
}
}
else if (HttpStatusCode.Forbidden.Equals(response.StatusCode))
{
errorResponse.Code = "Forbidden";
error = new AccessDeniedException("Access denied on the resource: " + response.Request.Resource);
}
error.Response = errorResponse;
throw error;
}
/// <summary>
/// Parse response errors if any and return relevant error messages
/// </summary>
/// <param name="response"></param>
internal static void ParseError(IRestResponse response)
{
if (response == null)
{
throw new ConnectionException("Response is nil. Please report this issue https://github.com/minio/minio-dotnet/issues");
}
if (HttpStatusCode.Redirect.Equals(response.StatusCode) || HttpStatusCode.TemporaryRedirect.Equals(response.StatusCode) || HttpStatusCode.MovedPermanently.Equals(response.StatusCode))
{
throw new RedirectionException("Redirection detected. Please report this issue https://github.com/minio/minio-dotnet/issues");
}
if (string.IsNullOrWhiteSpace(response.Content))
{
ErrorResponse errorResponse = new ErrorResponse();
if (HttpStatusCode.Forbidden.Equals(response.StatusCode) || HttpStatusCode.NotFound.Equals(response.StatusCode) ||
HttpStatusCode.MethodNotAllowed.Equals(response.StatusCode) || HttpStatusCode.NotImplemented.Equals(response.StatusCode))
{
MinioException e = null;
foreach (Parameter parameter in response.Headers)
{
if (parameter.Name.Equals("x-amz-id-2", StringComparison.CurrentCultureIgnoreCase))
{
errorResponse.HostId = parameter.Value.ToString();
}
if (parameter.Name.Equals("x-amz-request-id", StringComparison.CurrentCultureIgnoreCase))
{
errorResponse.RequestId = parameter.Value.ToString();
}
if (parameter.Name.Equals("x-amz-bucket-region", StringComparison.CurrentCultureIgnoreCase))
{
errorResponse.BucketRegion = parameter.Value.ToString();
}
}
errorResponse.Resource = response.Request.Resource;
if (HttpStatusCode.NotFound.Equals(response.StatusCode))
{
int pathLength = response.Request.Resource.Split('/').Count();
bool isAWS = response.ResponseUri.Host.EndsWith("s3.amazonaws.com");
bool isVirtual = isAWS && !(response.ResponseUri.Host.StartsWith("s3.amazonaws.com"));
if (pathLength > 1)
{
errorResponse.Code = "NoSuchKey";
var bucketName = response.Request.Resource.Split('/')[0];
var objectName = response.Request.Resource.Split('/')[1];
if (objectName == "")
{
e = new BucketNotFoundException(bucketName, "Not found.");
}
else
{
e = new ObjectNotFoundException(objectName, "Not found.");
}
}
else if (pathLength == 1)
{
var resource = response.Request.Resource.Split('/')[0];
if (isAWS && isVirtual && response.Request.Resource != "")
{
errorResponse.Code = "NoSuchKey";
e = new ObjectNotFoundException(resource, "Not found.");
}
else
{
errorResponse.Code = "NoSuchBucket";
BucketRegionCache.Instance.Remove(resource);
e = new BucketNotFoundException(resource, "Not found.");
}
}
else
{
e = new InternalClientException("404 without body resulted in path with less than two components");
}
}
else if (HttpStatusCode.Forbidden.Equals(response.StatusCode))
{
errorResponse.Code = "Forbidden";
e = new AccessDeniedException("Access denied on the resource: " + response.Request.Resource);
}
e.Response = errorResponse;
throw e;
}
throw new InternalClientException("Unsuccessful response from server without XML error: " + response.ErrorMessage);
}
if (response.StatusCode.Equals(HttpStatusCode.NotFound) && response.Request.Resource.EndsWith("?location") &&
response.Request.Method.Equals(Method.GET))
{
var bucketName = response.Request.Resource.Split('?')[0];
BucketRegionCache.Instance.Remove(bucketName);
throw new BucketNotFoundException(bucketName, "Not found.");
}
var contentBytes = System.Text.Encoding.UTF8.GetBytes(response.Content);
var stream = new MemoryStream(contentBytes);
ErrorResponse errResponse = (ErrorResponse)(new XmlSerializer(typeof(ErrorResponse)).Deserialize(stream));
// Handle XML response for Bucket Policy not found case
if (response.StatusCode.Equals(HttpStatusCode.NotFound) && response.Request.Resource.EndsWith("?policy") &&
response.Request.Method.Equals(Method.GET) && (errResponse.Code.Equals("NoSuchBucketPolicy")))
{
ErrorResponseException ErrorException = new ErrorResponseException(errResponse.Message, errResponse.Code);
ErrorException.Response = errResponse;
ErrorException.XmlError = response.Content;
throw ErrorException;
}
MinioException MinioException = new MinioException(errResponse.Message);
MinioException.Response = errResponse;
MinioException.XmlError = response.Content;
throw MinioException;
}
