internal AuthTypeEnum?NegotiateAuthType(string bucketName, bool async)
{
AuthTypeEnum? authType = AuthTypeEnum.V2;
GetApiVersionRequest request = new GetApiVersionRequest();
request.BucketName = bucketName;
try
{
GetApiVersionResponse response = async ? this.GetApiVersionAsync(request) : this.GetApiVersion(request);
if (response.StatusCode == HttpStatusCode.OK)
{
if ((response.Headers.ContainsKey(Constants.ObsApiHeader) &&
response.Headers[Constants.ObsApiHeader].CompareTo("3.0") >= 0) || (response.Headers.ContainsKey(Constants.ObsApiHeaderWithPrefix) &&
response.Headers[Constants.ObsApiHeaderWithPrefix].CompareTo("3.0") >= 0))
{
authType = AuthTypeEnum.OBS;
}
}
}
catch (ObsException ex)
{
int statusCode = Convert.ToInt32(ex.StatusCode);
if (statusCode <= 0 || statusCode == 404 || statusCode >= 500)
{
throw ex;
}
if (LoggerMgr.IsInfoEnabled)
{
string msg = string.IsNullOrEmpty(bucketName) ? "The target server doesnot support OBS protocol, use S3 protocol" : string.Format("The target server doesnot support OBS protocol, use S3 protocol, Bucket:{0}", bucketName);
LoggerMgr.Info(msg, ex);
}
}
return(authType);
}
internal GetApiVersionResponse GetApiVersion(GetApiVersionRequest request)
{
return(this.DoRequest <GetApiVersionRequest, GetApiVersionResponse>(request));
}
internal GetApiVersionResponse GetApiVersionAsync(GetApiVersionRequest request)
{
return(this.EndDoRequest <GetApiVersionRequest, GetApiVersionResponse>(this.BeginDoRequest <GetApiVersionRequest>(request, null, null)));
}
