Amazon.Runtime.InstanceProfileAWSCredentials.GetContents C# (CSharp) Method

        private static string GetContents(Uri uri)
        {
            try
            {
                HttpWebRequest request = HttpWebRequest.Create(uri) as HttpWebRequest;
                var asyncResult = request.BeginGetResponse(null, null);
                using (HttpWebResponse response = request.EndGetResponse(asyncResult) as HttpWebResponse)
                using (StreamReader reader = new StreamReader(response.GetResponseStream()))
                {
                    return reader.ReadToEnd();
                }
            }
            catch (WebException)
            {
                throw new AmazonServiceException("Unable to reach credentials server");
            }
        }