/// <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));
}
/// <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;
if (request.Bucket.IndexOf('.') > -1)
url = String.Format("https://s3.amazonaws.com/{0}/", request.Bucket);
else
url = String.Format("https://{0}.s3.amazonaws.com", request.Bucket);
HttpWebRequest webRequest = WebRequest.Create(url) as HttpWebRequest;
var boundary = Convert.ToBase64String(Guid.NewGuid().ToByteArray()).Replace('=','z');
webRequest.ContentType = String.Format("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("--{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("\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);
}
private S3PostUploadResponse testPost(string key, string bucketName, Stream contentStream, string extraConditions, AWSCredentials credentials, RegionEndpoint region)
{
var expDate = DateTime.UtcNow.AddMinutes(5).ToString(AWSSDKUtils.ISO8601DateFormat, CultureInfo.InvariantCulture);
var policy = policy_tmpl.Replace("EXPIRATIONDATE", expDate)
.Replace("BUCKETNAME", bucketName)
.Replace("MOARCONDITIONS", extraConditions);
var signedPolicy = S3PostUploadSignedPolicy.GetSignedPolicy(policy, credentials);
var req = new S3PostUploadRequest
{
Key = key,
Bucket = bucketName,
CannedACL = S3CannedACL.PublicRead,
InputStream = contentStream,
SignedPolicy = signedPolicy,
Region = region
};
return AmazonS3Util.PostUpload(req);
}
