public string FileUpload([FromForm] FormUploadModel upload)
{
var FileName = System.IO.Path.GetExtension(upload.File.FileName);
string ret = upload.ID + "_image" + FileName;
using var DestFile = System.IO.File.OpenWrite("wwwroot/images/" + ret);
using var UploadStream = upload.File.OpenReadStream();
UploadStream.CopyTo(DestFile);
return("/images/" + ret);
}
public IActionResult Index([FromForm] QRCodeFileModel myFile)
{
try
{
var file = myFile.Image;
var allowedExtensions = new[] { ".png", ".gif", ".jpeg" };
if (file != null && file.Length > 0)
{
ViewBag.FileLength = "";
var folderName = Path.Combine("Resources", "Images");
var pathToSave = Path.Combine(Directory.GetCurrentDirectory(), folderName);
var fileName = ContentDispositionHeaderValue.Parse(file.ContentDisposition).FileName.Trim('"');
var fullPath = Path.Combine(pathToSave, fileName);
var flag = false;
var fileExt = Path.GetExtension(fileName);
foreach (var itm in allowedExtensions)
{
if (itm.Contains(fileExt))
{
flag = true;
}
}
if (flag)
{
// To Create a file on server
using (var stream = new FileStream(fullPath, FileMode.Create))
{
file.CopyTo(stream);
}
var fileFormat = fileExt.Trim('.');
FileStream fs = new FileStream(fullPath, FileMode.Open, FileAccess.Read);
byte[] data = new byte[fs.Length];
fs.Read(data, 0, data.Length);
fs.Close();
// Generate post objects
Dictionary <string, object> postParameters = new Dictionary <string, object>();
postParameters.Add("filename", fileName);
postParameters.Add("fileformat", fileFormat);
postParameters.Add("file", new FormUploadModel.FileParameter(data, fileName, "multipart/form-data"));
// Create request and receive response
string postURL = "http://api.qrserver.com/v1/read-qr-code/?file=";
string userAgent = "file";
HttpWebResponse webResponse = FormUploadModel.MultipartFormDataPost(postURL, userAgent, postParameters);
// Process response
StreamReader responseReader = new StreamReader(webResponse.GetResponseStream());
string fullResponse = responseReader.ReadToEnd();
webResponse.Close();
ViewBag.Message = fullResponse;
// Delete QR file created on server
System.IO.File.Delete(fullPath);
}
else
{
ViewBag.Message = "File type should be .png/.gif/.jpeg.";
}
}
else
{
ViewBag.Message = "You have not specified a file.";
}
}
catch (Exception ex)
{
ViewBag.Message = "ERROR:" + ex.Message.ToString();
}
return(View());
}
