public async Task <IActionResult> Cipher(string method, IFormFile file, [FromForm] Key key)
{
CreateDirectory();
var path = "";
var methodToUpper = method.ToUpper();
switch (methodToUpper)
{
case "ZIGZAG": //.zz
ZigZag.Cifrar(file, key.levels);
var extZigZag = ".zz";
var PathZz = Environment.CurrentDirectory + "\\temp\\" + Path.GetFileNameWithoutExtension(file.FileName) + extZigZag;
path = PathZz;
break;
case "CESAR": //.csr
Cesar.Cifrar(file, key.word);
var extCesar = ".csr";
var PathCsr = Environment.CurrentDirectory + "\\temp\\" + Path.GetFileNameWithoutExtension(file.FileName) + extCesar;
path = PathCsr;
break;
case "CÉSAR":
Cesar.Cifrar(file, key.word);
var extCesar1 = ".csr";
var PathCsr2 = Environment.CurrentDirectory + "\\temp\\" + Path.GetFileNameWithoutExtension(file.FileName) + extCesar1;
path = PathCsr2;
break;
case "RUTA": //.rt
Route.CifradoEspiral(file, key.columns, key.rows);
var extRoute = ".rt";
var PathRt = Environment.CurrentDirectory + "\\temp\\" + Path.GetFileNameWithoutExtension(file.FileName) + extRoute;
path = PathRt;
break;
default:
return(StatusCode(StatusCodes.Status500InternalServerError));
break;
}
var Memory = new MemoryStream();
using (var Stream = new FileStream(path, FileMode.Open))
{
await Stream.CopyToAsync(Memory);
}
Memory.Position = 0;
var extensionFile = Path.GetExtension(path).ToLowerInvariant();
DeleteDirectoy();
return(File(Memory, GetMimeTypes()[extensionFile], Path.GetFileName(path)));
}
public IActionResult Upload()
{
var file = Request.Form.Files[0];
string file_nameN = Request.Form["nombre"];
string type_cipher = Request.Form["tipo"];
//lectura archivo
var folderName = Path.Combine("Resources", "Files");
var pathToSave = Path.Combine(Directory.GetCurrentDirectory(), folderName);
if (!Directory.Exists(pathToSave))
{
Directory.CreateDirectory(pathToSave);
}
string extension = Path.GetExtension(file.FileName);
var buffer = new byte[Data.BufferLength];
if (extension == ".txt")
{
if (file.Length > 0)
{
var fileName = ContentDispositionHeaderValue.Parse(file.ContentDisposition).FileName.Trim('"');
var fullPath = Path.Combine(pathToSave, fileName);
var dbPath = Path.Combine(folderName, fileName);
file_nameN = file_nameN + ".txt";
string fullPathC = Path.Combine(pathToSave, file_nameN);
var dbPathH = Path.Combine(folderName, file_nameN);
if (type_cipher == "Cesar")
{
string clave = Request.Form["clave"];
int cl = 0;
bool result = int.TryParse(clave, out cl);
Cesar cif = new Cesar();
cif.LlenarDiccionarios();
if (result == false) //la clave no es númerica
{
cif.LlenarClave(clave);
}
else //la clave es númerica
{
cif.LlenarClaveInt(cl);
}
//esto se repite en cada if
using (var stream = new FileStream(fullPathC, FileMode.Create))
{
//ya se creó el archivo
}
using (var stream = new FileStream(fullPath, FileMode.Create))
{
file.CopyTo(stream);
}
using (var stream = new FileStream(fullPath, FileMode.Open))
{
using (BinaryReader br = new BinaryReader(stream))
{
while (br.BaseStream.Position != br.BaseStream.Length)
{
buffer = br.ReadBytes(Data.BufferLength); //llenar el buffer
cif.Cifrar(buffer);
cif.EscribirCifrado(fullPathC);
}
}
}
var stream1 = new FileStream(fullPathC, FileMode.Open);
return(File(stream1, System.Net.Mime.MediaTypeNames.Application.Octet, file_nameN));
}
if (type_cipher == "ZigZag")
{
int niveles = Convert.ToInt32(Request.Form["clave"]);
ZigZag cif = new ZigZag();
//esto se repite en cada if
using (var stream = new FileStream(fullPathC, FileMode.Create))
{
//ya se creó el archivo
}
using (var stream = new FileStream(fullPath, FileMode.Create))
{
file.CopyTo(stream);
}
using (var stream = new FileStream(fullPath, FileMode.Open))
{
using (BinaryReader br = new BinaryReader(stream))
{
while (br.BaseStream.Position != br.BaseStream.Length)
{
buffer = br.ReadBytes(Data.BufferLength);
cif.InicializarLista(niveles);
cif.LLenarNiveles(buffer, niveles);
cif.Cifrar();
cif.EscribirZigZag(fullPathC);
}
}
}
var stream1 = new FileStream(fullPathC, FileMode.Open);
return(File(stream1, System.Net.Mime.MediaTypeNames.Application.Octet, file_nameN));
}
if (type_cipher == "Ruta_Vertical")
{
int row = Convert.ToInt32(Request.Form["fila"]);
int column = Convert.ToInt32(Request.Form["columna"]);
int total = row * column; //cantidad de bytes a leer o que van en la matriz
buffer = new byte[Data.BufferLength];
Vertical cif = new Vertical();
//esto se repite en cada if
using (var stream = new FileStream(fullPathC, FileMode.Create))
{
//ya se creó el archivo
}
using (var stream = new FileStream(fullPath, FileMode.Create))
{
file.CopyTo(stream);
}
using (var stream = new FileStream(fullPath, FileMode.Open))
{
using (BinaryReader br = new BinaryReader(stream))
{
while (br.BaseStream.Position != br.BaseStream.Length)
{
buffer = br.ReadBytes(total);
cif.Cipher(buffer, column, row, fullPathC);
}
}
}
var stream1 = new FileStream(fullPathC, FileMode.Open);
return(File(stream1, System.Net.Mime.MediaTypeNames.Application.Octet, file_nameN));
}
if (type_cipher == "Ruta_Espiral")
{
return(BadRequest());
}
else
{
return(StatusCode(3, "El tipo de cifrado ingresado no es valido para ruta"));
}
}
else
{
return(BadRequest());
}
}
else
{
return(BadRequest());
}
}