public async Task <IActionResult> UploadImage(List <IFormFile> file)
{
// Create an unique folder path to help with concurrent users to avoid filename clash
var imageTempPath =
_hostingEnvironment.MapPathWebRoot(Constants.SystemDirectories.TempImageUploads + "/" + Guid.NewGuid());
// Ensure image temp path exists
if (Directory.Exists(imageTempPath) == false)
{
Directory.CreateDirectory(imageTempPath);
}
// Must have a file
if (file.Count == 0)
{
return(NotFound());
}
// Should only have one file
if (file.Count > 1)
{
return(new UmbracoProblemResult("Only one file can be uploaded at a time", HttpStatusCode.BadRequest));
}
IFormFile formFile = file.First();
// Really we should only have one file per request to this endpoint
// var file = result.FileData[0];
var fileName = formFile.FileName.Trim(new[] { '\"' }).TrimEnd();
var safeFileName = fileName.ToSafeFileName(_shortStringHelper);
var ext = safeFileName.Substring(safeFileName.LastIndexOf('.') + 1).ToLowerInvariant();
if (_contentSettings.IsFileAllowedForUpload(ext) == false ||
_imageUrlGenerator.IsSupportedImageFormat(ext) == false)
{
// Throw some error - to say can't upload this IMG type
return(new UmbracoProblemResult("This is not an image filetype extension that is approved", HttpStatusCode.BadRequest));
}
var newFilePath = imageTempPath + Path.DirectorySeparatorChar + safeFileName;
var relativeNewFilePath = _ioHelper.GetRelativePath(newFilePath);
await using (FileStream stream = System.IO.File.Create(newFilePath))
{
await formFile.CopyToAsync(stream);
}
return(Ok(new { tmpLocation = relativeNewFilePath }));
}