private GetObjectRequest ConstructGetRequest(string key, GetBlobOptions options)
{
var request = new GetObjectRequest(
host: client.Host,
bucketName: bucketName,
key: key
);
if (options.IfModifiedSince is DateTimeOffset ifModifiedSince)
{
request.IfModifiedSince = ifModifiedSince;
}
if (options.EncryptionKey is byte[] encryptionKey)
{
request.SetCustomerEncryptionKey(new ServerSideEncryptionKey(encryptionKey));
}
if (options.IfNoneMatch is string ifNoneMatch)
{
request.IfNoneMatch = ifNoneMatch;
}
if (options.Range is ByteRange range)
{
request.SetRange(range.Start, range.End);
}
if (options.BufferResponse)
{
request.CompletionOption = HttpCompletionOption.ResponseContentRead;
}
return(request);
}
public async Task <IBlob> GetRangeAsync(string name, long start, long end)
{
var request = new GetObjectRequest(client.Region, bucketName, key: name);
request.SetRange(start, end);
return(await client.GetObjectAsync(request).ConfigureAwait(false));
}
// If-Modified-Since OR 304
// If-None-Match -- ETag OR 304
public async Task <IBlobResult> GetAsync(string key, GetBlobOptions options)
{
#region Preconditions
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
#endregion
var request = new GetObjectRequest(
host: client.Host,
bucketName: bucketName,
objectName: key
);
if (options.IfModifiedSince != null)
{
request.IfModifiedSince = options.IfModifiedSince;
}
if (options.EncryptionKey != null)
{
request.SetCustomerEncryptionKey(new ServerSideEncryptionKey(options.EncryptionKey));
}
if (options.IfNoneMatch != null)
{
request.IfNoneMatch = options.IfNoneMatch;
}
if (options.Range != null)
{
request.SetRange(options.Range.Value.Start, options.Range.Value.End);
}
if (options.BufferResponse)
{
request.CompletionOption = HttpCompletionOption.ResponseContentRead;
}
return(await client.GetObjectAsync(request).ConfigureAwait(false));
}