private void SetReponseHeaders(string fileId, DateTimeOffset?expires)
{
if (expires != null)
{
Response.SetHeader(HeaderConstants.UploadExpires, _expirationHelper.FormatHeader(expires));
}
Response.SetHeader(HeaderConstants.TusResumable, HeaderConstants.TusResumableValue);
Response.SetHeader(HeaderConstants.Location, $"{Context.Configuration.UrlPath.TrimEnd('/')}/{fileId}");
}
internal override async Task Invoke()
{
await WriteUploadLengthIfDefered();
var guardedStream = new ClientDisconnectGuardedReadOnlyStream(Request.Body, CancellationTokenSource.CreateLinkedTokenSource(CancellationToken));
var bytesWritten = await Store.AppendDataAsync(Request.FileId, guardedStream, guardedStream.CancellationToken);
if (guardedStream.CancellationToken.IsCancellationRequested)
{
return;
}
var expires = _expirationHelper.IsSlidingExpiration
? await _expirationHelper.SetExpirationIfSupported(Request.FileId, CancellationToken)
: await _expirationHelper.GetExpirationIfSupported(Request.FileId, CancellationToken);
if (!await MatchChecksum())
{
await Response.Error((HttpStatusCode)460, "Header Upload-Checksum does not match the checksum of the file");
return;
}
var fileOffset = long.Parse(Request.GetHeader(HeaderConstants.UploadOffset));
Response.SetHeader(HeaderConstants.TusResumable, HeaderConstants.TusResumableValue);
Response.SetHeader(HeaderConstants.UploadOffset, (fileOffset + bytesWritten).ToString());
if (expires.HasValue)
{
Response.SetHeader(HeaderConstants.UploadExpires, _expirationHelper.FormatHeader(expires));
}
Response.SetStatus(HttpStatusCode.NoContent);
if (await FileIsComplete(Request.FileId, fileOffset, bytesWritten))
{
if (!await IsPartialUpload())
{
await EventHelper.NotifyFileComplete(Context);
}
}
}
internal override async Task Invoke()
{
var metadataString = Request.GetHeader(HeaderConstants.UploadMetadata);
var metadata = Metadata.Parse(metadataString);
string fileId;
DateTimeOffset?expires = null;
var onBeforeCreateResult = await EventHelper.Validate <BeforeCreateContext>(Context, ctx =>
{
ctx.Metadata = metadata;
ctx.UploadLength = Request.UploadLength;
ctx.FileConcatenation = UploadConcat.Type;
});
if (onBeforeCreateResult == ResultType.StopExecution)
{
return;
}
fileId = await HandleCreationOfConcatFiles(Request.UploadLength, metadataString, metadata);
if (IsPartialFile())
{
expires = await _expirationHelper.SetExpirationIfSupported(fileId, CancellationToken);
}
Response.SetHeader(HeaderConstants.TusResumable, HeaderConstants.TusResumableValue);
Response.SetHeader(HeaderConstants.Location, $"{Context.Configuration.UrlPath.TrimEnd('/')}/{fileId}");
if (expires != null)
{
Response.SetHeader(HeaderConstants.UploadExpires, _expirationHelper.FormatHeader(expires));
}
Response.SetStatus(HttpStatusCode.Created);
}