/// <summary>
/// Gets a data stream for an existing object in S3. It is your responsibility to close
/// the Stream when you are finished.
/// </summary>
public Stream GetObjectStream(string bucketName, string key, long from)
{
var request = new GetObjectRequest(this, bucketName, key);
request.AddRange((int)from);
var response = request.GetResponse();
return(response.GetResponseStream());
}
/// <summary>
/// Gets a data stream for an existing object in S3. It is your responsibility to close
/// the Stream when you are finished.
/// </summary>
public Stream GetObjectStream(string bucketName, string key,
out long contentLength, out string contentType)
{
var request = new GetObjectRequest(this, bucketName, key);
GetObjectResponse response = request.GetResponse();
contentLength = response.ContentLength;
contentType = response.ContentType;
return(response.GetResponseStream());
}
/// <summary>
/// Returns true if the given object exists in the given bucket.
/// </summary>
public bool ObjectExists(string bucketName, string key)
{
var request = new GetObjectRequest(this, bucketName, key, true);
// This is the recommended method from the S3 API docs.
try
{
using (GetObjectResponse response = request.GetResponse())
return(true);
}
catch (WebException exception)
{
var response = exception.Response as HttpWebResponse;
if (response != null && response.StatusCode == HttpStatusCode.NotFound)
{
return(false);
}
else
{
throw;
}
}
}
public GetObjectResponse GetMetadata(string key, bool recoveryIfFolderBroken = false)
{
S3Service service = connection.Connect ();
try{
var request = new LitS3.GetObjectRequest(service, RuntimeSettings.DefaultBucketName, key, true);
using (GetObjectResponse response = request.GetResponse()){
return response;
}
} catch (WebException webx) {
if (webx != null && ((HttpWebResponse)webx.Response) != null && ((HttpWebResponse)webx.Response).StatusCode == HttpStatusCode.NotFound)
{
try {
//METADATA NOT FOUND, recover it (if is folder)!
if(recoveryIfFolderBroken){
if(key.EndsWith("/")){
GenericCreateFolder(key);
Logger.LogInfo("INFO METADATA NOT FOUND", "METADATA FOR "+ key +" NOT FOUND, trying to recover it!");
GetObjectRequest request2 = new LitS3.GetObjectRequest(service, RuntimeSettings.DefaultBucketName, key, true);
using (GetObjectResponse response2 = request2.GetResponse()){
Logger.LogInfo("INFO METADATA RECOVERED", "METADATA FOR "+ key +" RECOVERED, folder created!");
return response2;
}
}
}
Logger.LogInfo("INFO METADATA NOT RECOVERED", "METADATA FOR "+ key +" CANNOT BE RECOVERED!");
return null;
} catch (Exception e){
Logger.LogInfo("ERROR CANNOT RECOVERY METADATA", e);
return null;
}
} else {
throw webx;
}
}
}
public bool Exists(string key)
{
try
{
S3Service service = connection.Connect();
var request = new LitS3.GetObjectRequest(service, RuntimeSettings.DefaultBucketName, key, true);
using (GetObjectResponse response = request.GetResponse())
{
//todo...
}
}
catch (WebException webx)
{
if (((HttpWebResponse)webx.Response).StatusCode == HttpStatusCode.NotFound)
return false;
else
throw webx;
}
return true;
}