MQLArticles/Utils/File/FolderOps/Test/TestDec.mq5

//+------------------------------------------------------------------+
//|                                                      TestDec.mq5 |
//|                                  Copyright 2026, Niquel Mendoza. |
//|                          https://www.mql5.com/es/users/nique_372 |
//+------------------------------------------------------------------+
#property copyright "Copyright 2026, Niquel Mendoza."
#property link      "https://www.mql5.com/es/users/nique_372"
#property version   "1.00"
#property strict

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//|                                                                  |
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#include "..\\FolderEncrypt.mqh"
// incluimos PRNG random
#include <TSN\\Crypto\\URandomPRNG.mqh>
// Xoshiro256 para random
#include <TSN\\Random\\Xoshiro256.mqh>

//+------------------------------------------------------------------+
//| Script program start function                                    |
//+------------------------------------------------------------------+
void OnStart()
 {
//---
  const string folder_path = "MQLArticles\\File\\FolderOps\\Enc\\";

//--- Random para el IV
  TSN::CURandomPRNG<Xoshiro256>::s_rand.Seed(1000);
// key 0 para reproducibilidad
  uchar key[CRYPTOBYLEO_FERNET_KEYBYTES];
  ArrayInitialize(key, 0);

//---
  TSN::CFernet fernet;
  fernet.Key(key);

//---
  TSN::CFolderOpsEncrypt folder_dec;
  folder_dec.AddLogFlags(LOG_ALL);
  folder_dec.Fernet(&fernet);
  folder_dec.SizeArrInclued(2);
  folder_dec.SetValIncluyed(0, "*.txt.enc");
  folder_dec.SetValIncluyed(1, "*.csv.enc");
  folder_dec.SetInitialPass();
  Print(folder_dec.DecryptFolder(folder_path, true, true, INT_MAX, "-"));

//--- Verificamos contenido
  const string files[] = {"data_importante.txt", "data_importante.csv"};
  for(int i = 0; i < ArraySize(files); i++)
   {
    ::ResetLastError();
    int fh = FileOpen(folder_path + files[i], FILE_READ | FILE_TXT | FILE_COMMON);
    if(fh == INVALID_HANDLE)
     {
      Print("Fallo al abrir = ", files[i], " | last err = ", ::GetLastError());
      continue;
     }
    Print(files[i], " = ", FileReadString(fh));
    FileClose(fh);
   }
 }
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