public async Task InvokeAsync(HttpContext context,
SetupInfo setupInfo,
DaoFactory daoFactory,
FileSizeComment fileSizeComment,
IServiceProvider serviceProvider,
TenantExtra tenantExtra,
TenantStatisticsProvider tenantStatisticsProvider)
{
context.Request.EnableBuffering();
var fileUploadResult = new FileUploadResult();
if (context.Request.Form.Files.Count == 0)
{
await context.Response.WriteAsync(JsonSerializer.Serialize(fileUploadResult));
}
var fileName = context.Request.Form.Files[0].FileName;
var contentLength = context.Request.Form.Files[0].Length;
if (String.IsNullOrEmpty(fileName) || contentLength == 0)
{
throw new InvalidOperationException(CRMErrorsResource.InvalidFile);
}
if (0 < setupInfo.MaxUploadSize(tenantExtra, tenantStatisticsProvider) && setupInfo.MaxUploadSize(tenantExtra, tenantStatisticsProvider) < contentLength)
{
throw fileSizeComment.FileSizeException;
}
fileName = fileName.LastIndexOf('\\') != -1
? fileName.Substring(fileName.LastIndexOf('\\') + 1)
: fileName;
var document = serviceProvider.GetService <File <int> >();
document.Title = fileName;
document.FolderID = daoFactory.GetFileDao().GetRoot();
document.ContentLength = contentLength;
document = daoFactory.GetFileDao().SaveFile(document, context.Request.Form.Files[0].OpenReadStream());
fileUploadResult.Data = document.ID;
fileUploadResult.FileName = document.Title;
fileUploadResult.FileURL = document.DownloadUrl;
fileUploadResult.Success = true;
await context.Response.WriteAsync(JsonSerializer.Serialize(fileUploadResult));
}
public ChunkedUploadSession <T> UploadChunk <T>(string uploadId, Stream stream, long chunkLength)
{
var uploadSession = ChunkedUploadSessionHolder.GetSession <T>(uploadId);
uploadSession.Expired = DateTime.UtcNow + ChunkedUploadSessionHolder.SlidingExpiration;
if (chunkLength <= 0)
{
throw new Exception(FilesCommonResource.ErrorMassage_EmptyFile);
}
if (chunkLength > SetupInfo.ChunkUploadSize)
{
throw FileSizeComment.GetFileSizeException(SetupInfo.MaxUploadSize(TenantExtra, TenantStatisticsProvider));
}
var maxUploadSize = GetMaxFileSize(uploadSession.FolderId, uploadSession.BytesTotal > 0);
if (uploadSession.BytesUploaded + chunkLength > maxUploadSize)
{
AbortUpload(uploadSession);
throw FileSizeComment.GetFileSizeException(maxUploadSize);
}
var dao = DaoFactory.GetFileDao <T>();
dao.UploadChunk(uploadSession, stream, chunkLength);
if (uploadSession.BytesUploaded == uploadSession.BytesTotal)
{
var linkDao = DaoFactory.GetLinkDao();
linkDao.DeleteAllLink(uploadSession.File.ID.ToString());
FileMarker.MarkAsNew(uploadSession.File);
ChunkedUploadSessionHolder.RemoveSession(uploadSession);
}
else
{
ChunkedUploadSessionHolder.StoreSession(uploadSession);
}
return(uploadSession);
}
