Add registration form to MPN00BS

HorseIsleServer/MPN00BS/RegisterWindow.axaml.cs

@@ -0,0 +1,169 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Input;
+using Avalonia.Interactivity;
+using Avalonia.Markup.Xaml;
+using HISP.Security;
+using HISP.Server;
+using System;
+using System.Text.RegularExpressions;
+
+namespace MPN00BS
+{
+    public partial class RegisterWindow : Window
+    {
+        public RegisterWindow()
+        {
+            InitializeComponent();
+#if DEBUG
+            this.AttachDevTools();
+#endif
+        }
+
+
+        private void ValidateInput()
+        {
+            if (ValidateUsername() && ValidatePassword())
+                createAccountButton.IsEnabled = true;
+            else
+                createAccountButton.IsEnabled = false;
+        }
+
+        private bool ValidatePassword()
+        {
+            int selStart = passwordBox.SelectionStart;
+            int selEnd = passwordBox.SelectionEnd;
+            if (passwordBox.Text == null)
+                return false;
+            passwordBox.Text = Regex.Replace(passwordBox.Text, "[^A-Za-z0-9]", "");
+            passwordBox.SelectionStart = selStart;
+            passwordBox.SelectionEnd = selEnd;
+
+            if (passwordBox.Text.Length < 6)
+            {
+                passwordValidationFailReason.Content = "- Password must be more than 6 characters.";
+                return false;
+            }
+
+            if (passwordBox.Text.Length >= 16)
+            {
+                passwordValidationFailReason.Content = "- Password must be less than 16 characters.";
+                return false;
+            }
+
+            passwordValidationFailReason.Content = "";
+            return true;
+        }
+
+        private bool ValidateUsername()
+        {
+            int selStart = usernameBox.SelectionStart;
+            int selEnd = usernameBox.SelectionEnd;
+            if (usernameBox.Text == null)
+                return false;
+            usernameBox.Text = Regex.Replace(usernameBox.Text, "[^A-Za-z]", "");
+            usernameBox.SelectionStart = selStart;
+            usernameBox.SelectionEnd = selEnd;
+
+            if (usernameBox.Text.Length < 3)
+            {
+                usernameValidationFailReason.Content = "- Username must be more than 3 characters.";
+                return false;
+            }
+
+            if (usernameBox.Text.Length >= 16)
+            {
+                usernameValidationFailReason.Content = "- Username must be less than 16 characters.";
+                return false;
+            }
+
+            if (Regex.IsMatch(usernameBox.Text, "[A-Z]{2,}"))
+            {
+                usernameValidationFailReason.Content = "- Username have the first letter of each word capitalized.";
+                return false;
+            }
+
+            if (usernameBox.Text.ToUpper()[0] != usernameBox.Text[0])
+            {
+                usernameValidationFailReason.Content = "- Username have the first letter of each word capitalized.";
+                return false;
+            }
+
+            if (Database.CheckUserExist(usernameBox.Text))
+            {
+                usernameValidationFailReason.Content = "- Username is already in use.";
+                return false;
+            }
+
+            usernameValidationFailReason.Content = "";
+            return true;
+        }
+        private void usernameChanged(object sender, KeyEventArgs e)
+        {
+            if (usernameBox == null)
+                return;
+
+            ValidateInput();
+        }
+        private void passwordChanged(object sender, KeyEventArgs e)
+        {
+            if (passwordBox == null)
+                return;
+
+            ValidateInput();
+        }
+
+        private void adminChecked(object sender, RoutedEventArgs e)
+        {
+            if (modCheckbox == null)
+                return;
+
+            modCheckbox.IsChecked = true;
+        }
+
+        private void modUnchecked(object sender, RoutedEventArgs e)
+        {
+            if (adminCheckbox == null)
+                return;
+            adminCheckbox.IsChecked = false;
+        }
+
+        private void CreateAccount(object sender, RoutedEventArgs e)
+        {
+            int newUserId = Database.GetNextFreeUserId();
+
+            // Generate random salt
+            byte[] salt = new byte[64];
+            new Random(Guid.NewGuid().GetHashCode()).NextBytes(salt);
+
+            // Hash password
+            string saltText = BitConverter.ToString(salt).Replace("-", "");
+            string hashsalt = BitConverter.ToString(Authentication.HashAndSalt(passwordBox.Text, salt)).Replace("-", "");
+
+            // GENDer? I hardly knew THEM!
+            string gender = ((ComboBoxItem)genderSelectionBox.SelectedItem).Content.ToString();
+
+            Database.CreateUser(newUserId, usernameBox.Text, hashsalt, saltText, gender, (bool)adminCheckbox.IsChecked, (bool)modCheckbox.IsChecked);
+
+            this.Close();
+        }
+
+        private void InitializeComponent()
+        {
+            AvaloniaXamlLoader.Load(this);
+            genderSelectionBox = this.FindControl<ComboBox>("genderSelectionBox"); // TODO; add isEditable >->
+          
+            adminCheckbox = this.FindControl<CheckBox>("adminCheckbox");
+            modCheckbox = this.FindControl<CheckBox>("modCheckbox");
+
+            createAccountButton = this.FindControl<Button>("createAccountButton");
+
+            usernameValidationFailReason = this.FindControl<Label>("usernameValidationFailReason");
+            passwordValidationFailReason = this.FindControl<Label>("passwordValidationFailReason");
+
+            usernameBox = this.FindControl<TextBox>("usernameBox");
+            passwordBox = this.FindControl<TextBox>("passwordBox");
+        }
+
+    }
+}