internal override async Task <bool> Handle(ContextAdapter context)
{
var metadata = context.Request.GetHeader(HeaderConstants.UploadMetadata);
string fileId;
DateTimeOffset?expires = null;
var response = context.Response;
var request = context.Request;
var cancellationToken = context.CancellationToken;
var tusConcatenationStore = context.Configuration.Store as ITusConcatenationStore;
var uploadConcat = request.Headers.ContainsKey(HeaderConstants.UploadConcat)
? new UploadConcat(request.GetHeader(HeaderConstants.UploadConcat), context.Configuration.UrlPath)
: null;
var supportsUploadConcat = tusConcatenationStore != null && uploadConcat != null;
var uploadLength = GetUploadLength(context.Request);
if (await HandleOnBeforeCreateAsync(context, supportsUploadConcat, uploadConcat, metadata, uploadLength))
{
return(true);
}
if (supportsUploadConcat)
{
fileId = await HandleCreationOfConcatFiles(context, uploadConcat, tusConcatenationStore, uploadLength, metadata, cancellationToken);
}
else
{
var creationStore = (ITusCreationStore)context.Configuration.Store;
fileId = await creationStore.CreateFileAsync(uploadLength, metadata, cancellationToken);
await HandleOnCreateComplete(context, fileId, supportsUploadConcat, uploadConcat, metadata, uploadLength);
}
ITusExpirationStore expirationStore = context.Configuration.Store as ITusExpirationStore;
if (expirationStore != null &&
context.Configuration.Expiration != null &&
!(uploadConcat?.Type is FileConcatFinal))
{
expires = DateTimeOffset.UtcNow.Add(context.Configuration.Expiration.Timeout);
await expirationStore.SetExpirationAsync(fileId, expires.Value, context.CancellationToken);
}
response.SetHeader(HeaderConstants.TusResumable, HeaderConstants.TusResumableValue);
response.SetHeader(HeaderConstants.Location, $"{context.Configuration.UrlPath.TrimEnd('/')}/{fileId}");
if (expires != null)
{
response.SetHeader(HeaderConstants.UploadExpires, expires.Value.ToString("R"));
}
response.SetStatus((int)HttpStatusCode.Created);
return(true);
}
internal async Task <DateTimeOffset?> SetExpirationIfSupported(string fileId, CancellationToken cancellationToken)
{
if (!_isSupported)
{
return(null);
}
var expires = DateTimeOffset.UtcNow.Add(_expiration.Timeout);
await _expirationStore.SetExpirationAsync(fileId, expires, cancellationToken);
return(expires);
}