//do not validate request token (XSRF)
// [AdminAntiForgery(true)]
public virtual IActionResult AsyncUpload()
{
var httpPostedFile = Request.Form.Files.FirstOrDefault();
if (httpPostedFile == null)
{
return(Json(new
{
success = false,
message = "No file uploaded",
downloadGuid = Guid.Empty
}));
}
var fileBinary = httpPostedFile.GetDownloadBits();
var qqFileNameParameter = "qqfilename";
var fileName = httpPostedFile.FileName;
if (string.IsNullOrEmpty(fileName) && Request.Form.ContainsKey(qqFileNameParameter))
{
fileName = Request.Form[qqFileNameParameter].ToString();
}
//remove path (passed in IE)
fileName = _fileProvider.GetFileName(fileName);
var contentType = httpPostedFile.ContentType;
var fileExtension = _fileProvider.GetFileExtension(fileName);
if (!string.IsNullOrEmpty(fileExtension))
{
fileExtension = fileExtension.ToLowerInvariant();
}
var download = new Download
{
DownloadGuid = Guid.NewGuid(),
UseDownloadUrl = false,
DownloadUrl = string.Empty,
DownloadBinary = fileBinary,
ContentType = contentType,
//we store filename without extension for downloads
Filename = _fileProvider.GetFileNameWithoutExtension(fileName),
Extension = fileExtension,
IsNew = true
};
_downloadService.InsertDownload(download);
//when returning JSON the mime-type must be set to text/plain
//otherwise some browsers will pop-up a "Save As" dialog.
return(Json(new { success = true,
downloadId = download.Id,
downloadUrl = Url.Action("DownloadFile", new { downloadGuid = download.DownloadGuid }) }));
}
/// <summary>
/// Get picture (thumb) local path
/// </summary>
/// <param name="thumbFileName">Filename</param>
/// <returns>Local picture thumb path</returns>
protected virtual string GetThumbLocalPath(string thumbFileName)
{
var thumbsDirectoryPath = _fileProvider.GetAbsolutePath(ResearchMediaDefaults.ImageThumbsPath);
if (_mediaSettings.MultipleThumbDirectories)
{
//get the first two letters of the file name
var fileNameWithoutExtension = _fileProvider.GetFileNameWithoutExtension(thumbFileName);
if (fileNameWithoutExtension != null && fileNameWithoutExtension.Length > ResearchMediaDefaults.MultipleThumbDirectoriesLength)
{
var subDirectoryName = fileNameWithoutExtension.Substring(0, ResearchMediaDefaults.MultipleThumbDirectoriesLength);
thumbsDirectoryPath = _fileProvider.GetAbsolutePath(ResearchMediaDefaults.ImageThumbsPath, subDirectoryName);
_fileProvider.CreateDirectory(thumbsDirectoryPath);
}
}
var thumbFilePath = _fileProvider.Combine(thumbsDirectoryPath, thumbFileName);
return(thumbFilePath);
}