Programm_Wirl/FormLogin.cs
2025-04-28 08:31:23 +02:00

121 lines
3.6 KiB
C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Security.Cryptography;
using DatenDB;
using System.Threading;
namespace Deckungsbeitrag
{
public partial class FormLogin : Form
{
public Thread t;
public FormLogin()
{
InitializeComponent();
this.groupBox1.Height = 110;
this.labelPwdWh.Visible = false;
this.textBoxPwdWh.Visible = false;
this.buttonRegistrieren.Visible = false;
}
private void buttonAnmelden_Click(object sender, EventArgs e)
{
try
{
//t = new Thread(new ThreadStart(Splash));
//t.Start();
MD5 md5 = MD5.Create();
byte[] md5hash = md5.ComputeHash(Encoding.UTF8.GetBytes(this.textBoxPasswort.Text));
string pwdHash = string.Empty;
foreach (byte b in md5hash) pwdHash += b.ToString("x2");
this.Person = Benutzer.Get(this.textBoxBenutzer.Text, pwdHash);
this.Person.Save();
//t.Abort();
this.DialogResult = DialogResult.OK;
this.Close();
}
catch (LoginException lex)
{
//t.Abort();
switch (lex.ErrorCode)
{
case -1:
MessageBox.Show(lex.Message, "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
this.buttonRegistrieren.Visible = false;
break;
case -2:
MessageBox.Show(lex.Message, "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
this.buttonRegistrieren.Visible = false;
break;
case -3:
MessageBox.Show(lex.Message, "Registrieren", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
this.buttonRegistrieren.Visible = true;
this.buttonAnmelden.Enabled = false;
this.groupBox1.Height = this.groupBox1.Height + 35;
this.labelPwdWh.Visible = true;
this.textBoxPwdWh.Visible = true;
break;
case -4:
MessageBox.Show(lex.Message, "Server Fehler", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
break;
default:
break;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Fehler", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
private void Splash()
{
//Open a splash screen form
FormLaden frm = new FormLaden();
Application.Run(frm);
}
private void buttonAbbrechen_Click(object sender, EventArgs e)
{
this.DialogResult = DialogResult.Cancel;
this.Close();
}
public Benutzer Person { get; set; }
private void buttonRegistrieren_Click(object sender, EventArgs e)
{
if (!String.IsNullOrEmpty(this.textBoxBenutzer.Text) && !String.IsNullOrEmpty(this.textBoxPasswort.Text) && this.textBoxPasswort.Text == this.textBoxPwdWh.Text)
{
Benutzer person = Benutzer.GetBenutzer(this.textBoxBenutzer.Text, null);
//person.BenutzerName = this.textBoxBenutzer.Text;
MD5 md5 = MD5.Create();
byte[] md5hash = md5.ComputeHash(Encoding.UTF8.GetBytes(this.textBoxPasswort.Text));
string pwdHash = string.Empty;
foreach (byte b in md5hash) pwdHash += b.ToString("x2");
person.Passwort = pwdHash;
if (person.Save() == 1)
{
this.groupBox1.Height = 100;
this.labelPwdWh.Visible = false;
this.textBoxPwdWh.Visible = false;
this.buttonRegistrieren.Visible = false;
this.textBoxPasswort.Text = this.textBoxPwdWh.Text = string.Empty;
MessageBox.Show($"Benutzer {this.textBoxBenutzer.Text} wurde erfolgreich angelegt!", "Hinweis", MessageBoxButtons.OK, MessageBoxIcon.Information);
this.buttonAnmelden.Enabled = true;
}
}
}
}
}