/// <summary>
/// Upload data to Amazon S3 using HTTP POST.
/// </summary>
/// <remarks>
/// For more information, <see href="http://docs.aws.amazon.com/AmazonS3/latest/dev/UsingHTTPPOST.html"/>
/// </remarks>
/// <param name="request">Request object which describes the data to POST</param>
/// <exception cref="S3PostUploadException">Thrown if the service returns an error</exception>
public static S3PostUploadResponse PostUpload(S3PostUploadRequest request)
{
string url;
string subdomain = request.Region.Equals(RegionEndpoint.USEast1) ? "s3" : "s3-" + request.Region.SystemName;
if (request.Bucket.IndexOf('.') > -1)
{
url = string.Format(CultureInfo.InvariantCulture, "https://{0}.amazonaws.com/{1}/", subdomain, request.Bucket);
}
else
{
url = string.Format(CultureInfo.InvariantCulture, "https://{0}.{1}.amazonaws.com", request.Bucket, subdomain);
}
Uri uri = new Uri(url);
HttpWebRequest webRequest = WebRequest.Create(uri) as HttpWebRequest;
var boundary = Convert.ToBase64String(Guid.NewGuid().ToByteArray()).Replace('=', 'z');
webRequest.ContentType = string.Format(CultureInfo.InvariantCulture, "multipart/form-data; boundary={0}", boundary);
webRequest.Method = "POST";
using (var reqStream = webRequest.GetRequestStream())
{
request.WriteFormData(boundary, reqStream);
byte[] boundaryBytes = Encoding.UTF8.GetBytes(string.Format(CultureInfo.InvariantCulture, "--{0}\r\nContent-Disposition: form-data; name=\"file\"\r\n\r\n", boundary));
reqStream.Write(boundaryBytes, 0, boundaryBytes.Length);
using (var inputStream = null == request.Path ? request.InputStream : File.OpenRead(request.Path))
{
byte[] buf = new byte[1024];
int bytesRead;
while ((bytesRead = inputStream.Read(buf, 0, 1024)) > 0)
{
reqStream.Write(buf, 0, bytesRead);
}
}
byte[] endBoundaryBytes = Encoding.UTF8.GetBytes(string.Format(CultureInfo.InvariantCulture, "\r\n--{0}--", boundary));
reqStream.Write(endBoundaryBytes, 0, endBoundaryBytes.Length);
}
HttpWebResponse response = null;
try
{
response = webRequest.GetResponse() as HttpWebResponse;
}
catch (WebException ex)
{
throw S3PostUploadException.FromResponse((HttpWebResponse)ex.Response);
}
return(S3PostUploadResponse.FromWebResponse(response));
}
internal static S3PostUploadResponse FromWebResponse(HttpWebResponse response)
{
var postResponse = new S3PostUploadResponse{ StatusCode = response.StatusCode };
if (response.Headers.AllKeys.Contains(HeaderKeys.XAmzRequestIdHeader))
postResponse.RequestId = response.Headers[HeaderKeys.XAmzRequestIdHeader];
if (response.Headers.AllKeys.Contains(HeaderKeys.XAmzId2Header))
postResponse.HostId = response.Headers[HeaderKeys.XAmzId2Header];
return postResponse;
}
internal static S3PostUploadResponse FromWebResponse(HttpWebResponse response)
{
var postResponse = new S3PostUploadResponse {
StatusCode = response.StatusCode
};
if (response.Headers.AllKeys.Contains(S3Constants.AmzRequestIdHeader))
{
postResponse.RequestId = response.Headers[S3Constants.AmzRequestIdHeader];
}
if (response.Headers.AllKeys.Contains(S3Constants.AmzId2Header))
{
postResponse.HostId = response.Headers[S3Constants.AmzId2Header];
}
return(postResponse);
}
internal static S3PostUploadResponse FromWebResponse(HttpWebResponse response)
{
S3PostUploadResponse s3PostUploadResponse = new S3PostUploadResponse
{
StatusCode = response.StatusCode
};
if (response.Headers.AllKeys.Contains("x-amz-request-id"))
{
s3PostUploadResponse.RequestId = response.Headers["x-amz-request-id"];
}
if (response.Headers.AllKeys.Contains("x-amz-id-2"))
{
s3PostUploadResponse.HostId = response.Headers["x-amz-id-2"];
}
if (response.Headers.AllKeys.Contains("X-Amz-Cf-Id"))
{
s3PostUploadResponse.AmzCfId = response.Headers["X-Amz-Cf-Id"];
}
return(s3PostUploadResponse);
}
