Merge pull request #684 from Sitecore/feature/676-SIM_is_crashed_when_typing_an_Illegal_character_into_the_Site_name_field_during_installation

#676 Prevent using of invalid file name chars in the site name

Author: AndreyFilchenkov

src/SIM.Tool.Windows/UserControls/Install/Instance9Details.xaml

@@ -34,7 +34,7 @@
         <ComboBox Grid.Row="3" Grid.Column="1" Name="ProductRevision" DisplayMemberPath="RevisionAndLabel" SelectionChanged="ProductRevisionChanged" />
 
         <TextBlock Grid.Row="0" Grid.Column="3" Text="Site Name: " VerticalAlignment="Center" HorizontalAlignment="Left" Width="77" Grid.RowSpan="2" Height="16" Margin="0,6" Grid.ColumnSpan="3" />
-        <TextBox Grid.Row="0" Grid.Column="5" Name="InstanceName" Text="{Binding ElementName=ProductRevision, Path=SelectedValue, Converter={x:Static converters:Product._DefaultInstanceName}, Mode=OneWay}" Grid.RowSpan="2"  />
+        <TextBox Grid.Row="0" Grid.Column="5" Name="InstanceName" Text="{Binding ElementName=ProductRevision, Path=SelectedValue, Converter={x:Static converters:Product._DefaultInstanceName}, Mode=OneWay}" Grid.RowSpan="2" PreviewTextInput="InstanceName_PreviewTextInput" />
 
         <TextBlock Grid.Column="3" Grid.Row="2" TextWrapping="Wrap" VerticalAlignment="Center" HorizontalAlignment="Left" Width="30" Margin="0,5" Height="16"><Run Text="Solr:"/></TextBlock>
         <Button Grid.Column="4" Grid.Row="2" Content="+" Margin="0,3,0,2" Click="AddSolr_Click" HorizontalAlignment="Right" Width="23" />

src/SIM.Tool.Windows/UserControls/Install/Instance9Details.xaml.cs

@@ -44,6 +44,7 @@ public partial class Instance9Details : IWizardStep, IFlowControl
     private Window owner;
     private InstallWizardArgs _InstallParameters = null;
     private IEnumerable<Product> _StandaloneProducts;
+    private char[] _InvalidChars;
 
     // According to the following document the maximum length for a path in Windows systems is defined as 260 characters:
     // https://docs.microsoft.com/en-us/windows/win32/fileio/naming-a-file
@@ -57,6 +58,7 @@ public partial class Instance9Details : IWizardStep, IFlowControl
     public Instance9Details()
     {
       InitializeComponent();
+      _InvalidChars = Path.GetInvalidFileNameChars();
     }
 
     #endregion
@@ -762,5 +764,17 @@ private void AddSolr_Click(object sender, RoutedEventArgs e)
         this.Solrs.SelectedItem = solr;
       }
     }
+
+    private void InstanceName_PreviewTextInput(object sender, System.Windows.Input.TextCompositionEventArgs e)
+    {
+      if (e.Text.Any(c => _InvalidChars.Contains(c)))
+      {
+        WindowHelper.ShowMessage($"The enetered '{e.Text}' character is invalid for the site name.",
+          messageBoxImage: MessageBoxImage.Warning,
+          messageBoxButton: MessageBoxButton.OK
+        );
+        e.Handled = true;
+      }
+    }
   }
 }