private void loginClick(object sender, EventArgs e)
{
SHA256 sha256 = SHA256.Create();
string user = uzivJmenoTxtBx.Text;
string pass = hesloTxtBx.Text;
byte[] userByte = Encoding.UTF8.GetBytes(user);
byte[] encryptedPass = sha256.ComputeHash(Encoding.UTF8.GetBytes(pass));
string path = Environment.CurrentDirectory + "\\Uzivatele" + "\\" + BitConverter.ToString(userByte).Replace("-", "").ToLower() + ".txt";
FileStream fs = new FileStream(path, FileMode.Open, FileAccess.ReadWrite);
if (!File.Exists(path))
{
label6.Text = "Zadali jste špatné jméno nebo heslo";
label6.Show();
}
if (uzivJmenoTxtBx.Text == "" || hesloTxtBx.Text == "")
{
if (uzivJmenoTxtBx.Text == "")
{
label4.Show();
label4.Text = "Zadejte uživatelské jméno";
}
if (hesloTxtBx.Text == "")
{
label5.Show();
label5.Text = "Zadejte heslo";
}
}
fs.Close();
#region adminLogin
if (user == "admin")
{
Regex rx = new Regex(@"(?<=pass: )\S+");
using (StreamReader sr = new StreamReader(path))
{
//Regex rx = new Regex(@"(?<=pass: )\S+");
string line;
while ((line = sr.ReadLine()) != null)
{
if (rx.IsMatch(line))
{
if (Convert.ToString(rx.Match(line)) == BitConverter.ToString(encryptedPass).Replace("-", "").ToLower())
{
AdminskyForm af = new AdminskyForm();
af.Show();
this.Hide();
}
else
{
label6.Text = "Zadali jste spatne heslo!";
label7.Text = pass;
label6.Show();
}
}
}
}
}
#endregion
bool zmenahesla = false;
Regex rg = new Regex(@"(?<=pass: )\S+");
if (user != "" && pass != "")
{
if (File.Exists(path))
{
string[] lines = File.ReadAllLines(path);
for (int i = 0; i < lines.Length; i++)
{
if (!rg.IsMatch(lines[i]) /*lines[i].Contains("zmenahesla")*/)
{
zmenahesla = true;
}
}
if (File.Exists(path) && zmenahesla == true)
{
zmenaHesla zh = new zmenaHesla(pass);
zh.Show();
this.Hide();
}
}
}
if (File.Exists(path) && user != "admin")
{
string password = "";
using (StreamReader sr = new StreamReader(path))
{
Regex rx = new Regex(@"(?<=pass: )\S+");
string line;
while ((line = sr.ReadLine()) != null)
{
if (rx.IsMatch(line))
{
password = Convert.ToString(rx.Match(line));
label5.Text = password;
}
}
label5.Text = password;
label5.Show();
}
if (BitConverter.ToString(encryptedPass).Replace("-", "").ToLower() == password)
{
using (StreamWriter sw = File.AppendText(path))
{
sw.WriteLine(DateTime.Now);
}
this.Hide();
UzivatelskyForm uf = new UzivatelskyForm();
uf.Show();
}
}
fs.Close();
}
private void loginClick(object sender, EventArgs e)
{
SHA256 sha256 = SHA256.Create();
string user = uzivJmenoTxtBx.Text;
string pass = hesloTxtBx.Text;
byte[] userByte = Encoding.UTF8.GetBytes(user);
byte[] encryptedPass = sha256.ComputeHash(Encoding.UTF8.GetBytes(pass));
string path = Environment.CurrentDirectory + "\\Uzivatele" + "\\" + BitConverter.ToString(userByte).Replace("-", "").ToLower() + ".txt";
if (uzivJmenoTxtBx.Text == "" || hesloTxtBx.Text == "")
{
if (uzivJmenoTxtBx.Text == "")
{
label4.Show();
label4.Text = "Zadejte uživatelské jméno";
}
if (hesloTxtBx.Text == "")
{
label5.Show();
label5.Text = "Zadejte heslo";
}
}
if (user == "admin")
{
Regex rx = new Regex(@"(?<=pass: )\S+");
using (StreamReader sr = new StreamReader(path))
{
//Regex rx = new Regex(@"(?<=pass: )\S+");
string line;
string match;
while ((line = sr.ReadLine()) != null)
{
if (rx.IsMatch(line))
{
if (Convert.ToString(rx.Match(line)) == BitConverter.ToString(encryptedPass).Replace("-", "").ToLower())
{
AdminskyForm af = new AdminskyForm();
this.Hide();
af.ShowDialog();
}
}
else
{
label6.Text = "Zadali jste spatne heslo!";
label7.Text = pass;
label6.Show();
}
}
}
}
string misPass = "";
using (StreamReader sr = new StreamReader(path))
{
Regex rx = new Regex(@"(?<=pass: )\S+");
string line;
while ((line = sr.ReadLine()) != null)
{
if (rx.IsMatch(line))
{
misPass = Convert.ToString(rx.Match(line));
}
}
}
if (File.Exists(path) && (misPass == ""))
{
}
//using (StreamReader sr = new StreamReader(path))
//{
//}
if (File.Exists(path))
{
string password = "";
using (StreamReader sr = new StreamReader(path))
{
Regex rx = new Regex(@"(?<=pass: )\S+");
string line;
while ((line = sr.ReadLine()) != null)
{
if (rx.IsMatch(line))
{
password = Convert.ToString(rx.Match(line));
label5.Text = password;
}
}
label5.Text = password;
label5.Show();
}
if (BitConverter.ToString(encryptedPass).Replace("-", "").ToLower() == password)
{
using (StreamWriter sw = File.AppendText(path))
{
sw.WriteLine(DateTime.Now);
}
this.Hide();
UzivatelskyForm uf = new UzivatelskyForm();
uf.Show();
}
}
}
