public IActionResult Document(UploadModel uploadModel)
{
if (ModelState.IsValid)
{
var upload = HttpContext.Request.Form.Files;
if (HttpContext.Request.Form.Files.Count == 0)
{
ModelState.AddModelError("File", "Please Upload Your file");
}
else
{
foreach (var file in upload)
{
if (file.Length > 0)
{
byte[] tempFileBytes = null;
// getting File Name
var fileName = file.FileName.Trim();
using (BinaryReader reader = new BinaryReader(file.OpenReadStream()))
{
// getting filebytes
tempFileBytes = reader.ReadBytes((int)file.Length);
}
// Creating new FileName
var myUniqueFileName = Convert.ToString(Guid.NewGuid());
var filetype = Path.GetExtension(fileName).Replace('.', ' ').Trim();
// getting FileExtension
var fileExtension = Path.GetExtension(fileName);
var types = CoreSecurity.Filters.FileUploadCheck.FileType.Image; // Setting Image type
var result = FileUploadCheck.IsValidFile(tempFileBytes, types, filetype); // Validate Header
if (result)
{
var newFileName = string.Concat(myUniqueFileName, fileExtension);
fileName = Path.Combine(_environment.WebRootPath, "images") + $@"\{newFileName}";
using (FileStream fs = System.IO.File.Create(fileName))
{
file.CopyTo(fs);
fs.Flush();
}
}
}
}
}
}
return(View(uploadModel));
}
