public async Task VerifySessionExpirationForBinary(string key)
{
var sessionId = key.AsSessionId();
var(_, _, expiresAt) = _memoryCache.Get <(SessionDescriptor, AuthorInfo, DateTime)>(sessionId);
if (expiresAt == default)
{
GetObjectMetadataResponse response;
try
{
response = await _cephS3Client.GetObjectMetadataAsync(_filesBucketName, sessionId.AsS3ObjectKey(Tokens.SessionPostfix));
}
catch (AmazonS3Exception ex) when(ex.StatusCode == HttpStatusCode.NotFound)
{
throw new ObjectNotFoundException($"Session '{sessionId}' does not exist");
}
catch (Exception ex)
{
throw new S3Exception(ex);
}
var metadataWrapper = MetadataCollectionWrapper.For(response.Metadata);
expiresAt = metadataWrapper.Read <DateTime>(MetadataElement.ExpiresAt);
}
if (SessionDescriptor.IsSessionExpired(expiresAt))
{
throw new SessionExpiredException(sessionId, expiresAt);
}
}
public async Task <int> ArchiveSessionAsync(Guid sessionId, DateTime archiveDate)
{
var listResponse = await _cephS3Client.ListObjectsAsync(
new ListObjectsRequest
{
BucketName = _filesBucketName,
Prefix = sessionId.ToString()
});
if (listResponse.S3Objects.Count == 0)
{
return(0);
}
var s3Objects = listResponse.S3Objects.OrderByDescending(x => x.Size).ToList();
foreach (var obj in s3Objects)
{
var getMetadataResponse = await _cephS3Client.GetObjectMetadataAsync(_filesBucketName, obj.Key);
var archivedFileKey = obj.Key.AsArchivedFileKey(archiveDate);
var copyRequest = new CopyObjectRequest
{
SourceBucket = _filesBucketName,
SourceKey = obj.Key,
DestinationBucket = _filesBucketName,
DestinationKey = archivedFileKey,
MetadataDirective = S3MetadataDirective.REPLACE,
CannedACL = S3CannedACL.PublicRead
};
foreach (var metadataKey in getMetadataResponse.Metadata.Keys)
{
copyRequest.Metadata.Add(metadataKey, getMetadataResponse.Metadata[metadataKey]);
}
await _cephS3Client.CopyObjectAsync(copyRequest);
_logger.LogInformation(
"File {fileKey} copied to {archivedFileKey} while archiving session '{sessionId}'.",
obj.Key,
archivedFileKey,
sessionId);
}
var count = await DeleteSessionFilesAsync(sessionId, s3Objects);
_logger.LogInformation("Session '{sessionId}' archived.", sessionId);
return(count);
}
