124 lines
3.8 KiB
C#
124 lines
3.8 KiB
C#
using Renci.SshNet;
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using ResevalnaScanner.Classes;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Input;
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using InfosysPublisher.Classes;
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using Microsoft.Data.SqlClient;
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namespace InfosysPublisher
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{
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/// <summary>
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/// Interaction logic for WinLogin.xaml
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/// </summary>
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public partial class WinLogin : Window
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{
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public WinLogin()
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{
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InitializeComponent();
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tbUsername.KeyDown += (sender, args) =>
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{
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if (args.Key != Key.Enter) return;
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tbPassword.Focus();
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};
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tbPassword.KeyDown += (sender, args) =>
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{
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if (args.Key != Key.Enter) return;
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Login();
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};
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tblVersion.Text = $"Version: {App.CurrentVersion}";
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tbUsername.Focus();
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}
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private void Login_OnClick(object sender, RoutedEventArgs e)
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{
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Login();
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}
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private async void Login()
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{
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var succeeded = false;
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var isLockedOut = false;
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var username = tbUsername.Text;
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var password = tbPassword.Password;
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tbPassword.Password = "";
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User user = null;
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await Task.Run(() =>
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{
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using var sqlConnection = new SqlConnection(App.SqlConnectionString);
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sqlConnection.Open();
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var sqlCommandString = @"
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SELECT ID_Uporabnik,
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UporabniskoIme,
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Ime,
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Priimek,
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GesloBytes,
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SaltBytes,
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Aktiven
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FROM Uporabnik
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WHERE UporabniskoIme = @uporabniskoIme
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AND GesloBytes IS NOT NULL
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AND SaltBytes IS NOT NULL"
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;
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using var sqlCommand = new SqlCommand(sqlCommandString, sqlConnection);
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sqlCommand.Parameters.AddWithValue("uporabniskoIme", username);
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using var sqlDataReader = sqlCommand.ExecuteReader();
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if (sqlDataReader.Read())
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{
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if (sqlDataReader.GetString("UporabniskoIme") == username
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&& Encryption.CompareByteArrays(Encryption.CreatePasswordHash(password, (byte[])sqlDataReader.GetValue("SaltBytes")).Hash, (byte[])sqlDataReader.GetValue("GesloBytes")))
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{
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if (sqlDataReader.GetBoolean("Aktiven"))
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{
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user = new User
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{
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Id = sqlDataReader.GetInt32(sqlDataReader.GetOrdinal("ID_Uporabnik")),
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Name = sqlDataReader.GetString(sqlDataReader.GetOrdinal("Ime")),
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Surname = sqlDataReader.GetString(sqlDataReader.GetOrdinal("Priimek")),
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Username = sqlDataReader.GetString(sqlDataReader.GetOrdinal("UporabniskoIme")),
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};
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succeeded = true;
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}
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else
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{
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isLockedOut = true;
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}
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}
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}
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else
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{
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//zato da ne takoj konca
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Encryption.CompareByteArrays(Encryption.CreatePasswordHash(password).Hash, new byte[4] { 0, 1, 0, 1 });
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}
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});
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tbPassword.Password = "";
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if (!succeeded)
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{
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MessageBox.Show("Wrong login data!", "Login", MessageBoxButton.OK, MessageBoxImage.Stop);
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return;
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}
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App.User = user;
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this.Hide();
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var win = new WinMain();
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win.ShowDialog();
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this.Show();
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this.Close();
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}
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}
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}
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