From 54ad395d139829cd3369ebffe7985a1399959e54 Mon Sep 17 00:00:00 2001
From: Geoffroy Bonneville <geogeob@hotmail.com>
Date: Thu, 19 Oct 2017 16:33:07 +0200
Subject: [PATCH] Added password complexity indicator to Entry page

---
 ModernKeePass/Pages/EntryDetailPage.xaml |  3 +++
 ModernKeePass/ViewModels/EntryVm.cs      | 12 ++++++------
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/ModernKeePass/Pages/EntryDetailPage.xaml b/ModernKeePass/Pages/EntryDetailPage.xaml
index 8a6dabe..9f3777f 100644
--- a/ModernKeePass/Pages/EntryDetailPage.xaml
+++ b/ModernKeePass/Pages/EntryDetailPage.xaml
@@ -13,6 +13,8 @@
     <Page.Resources>
         <converters:BooleanToVisibilityConverter x:Key="BooleanToVisibilityConverter"/>
         <converters:InverseBooleanToVisibilityConverter x:Key="InverseBooleanToVisibilityConverter"/>
+        <converters:ProgressBarLegalValuesConverter x:Key="ProgressBarLegalValuesConverter"/>
+        <converters:DoubleToForegroungBrushComplexityConverter x:Key="DoubleToForegroungBrushComplexityConverter"/>
         <Style TargetType="PasswordBox" x:Name="PasswordBoxWithButtonStyle">
             <Setter Property="MinWidth" Value="{ThemeResource TextControlThemeMinWidth}" />
             <Setter Property="MinHeight" Value="{ThemeResource TextControlThemeMinHeight}" />
@@ -376,6 +378,7 @@
             <TextBlock TextWrapping="Wrap" Text="Password"  FontSize="18"/>
             <PasswordBox HorizontalAlignment="Left" Password="{Binding Password, Mode=TwoWay}" Width="350" Height="32" IsPasswordRevealButtonEnabled="True" Visibility="{Binding IsRevealPassword, Converter={StaticResource InverseBooleanToVisibilityConverter}}" Style="{StaticResource PasswordBoxWithButtonStyle}" />
             <TextBox HorizontalAlignment="Left" TextWrapping="Wrap" Text="{Binding Password, Mode=TwoWay}" Width="350" Height="32" Visibility="{Binding IsRevealPassword, Converter={StaticResource BooleanToVisibilityConverter}}" />
+            <ProgressBar Value="{Binding PasswordComplexityIndicator, ConverterParameter=0\,128, Converter={StaticResource ProgressBarLegalValuesConverter}}" Maximum="128" Width="350" HorizontalAlignment="Left" Foreground="{Binding PasswordComplexityIndicator, ConverterParameter=128, Converter={StaticResource DoubleToForegroungBrushComplexityConverter}}" />
             <CheckBox HorizontalAlignment="Left" Margin="-3,0,0,0" Content="Show password" IsChecked="{Binding IsRevealPassword, Mode=TwoWay}" IsEnabled="{Binding IsRevealPasswordEnabled}" />
             <TextBlock TextWrapping="Wrap" Text="URL" FontSize="18"/>
             <local:TextBoxWithButton x:Name="UrlTextBox" HorizontalAlignment="Left" Text="{Binding Url, Mode=TwoWay}" Height="32" Width="350" MaxLength="256" Style="{StaticResource TextBoxWithButtonStyle}" GotoClick="UrlButton_Click" />
diff --git a/ModernKeePass/ViewModels/EntryVm.cs b/ModernKeePass/ViewModels/EntryVm.cs
index 4b18fe8..e82c106 100644
--- a/ModernKeePass/ViewModels/EntryVm.cs
+++ b/ModernKeePass/ViewModels/EntryVm.cs
@@ -7,6 +7,7 @@ using ModernKeePassLib.Cryptography.PasswordGenerator;
 using ModernKeePassLib.Security;
 using System;
 using Windows.UI.Xaml;
+using ModernKeePassLib.Cryptography;
 
 namespace ModernKeePass.ViewModels
 {
@@ -18,7 +19,8 @@ namespace ModernKeePass.ViewModels
         public System.Drawing.Color? BackgroundColor => Entry?.BackgroundColor;
         public System.Drawing.Color? ForegroundColor => Entry?.ForegroundColor;
         public bool IsRevealPasswordEnabled => !string.IsNullOrEmpty(Password);
-
+        public bool HasExpired => HasExpirationDate && Entry.ExpiryTime < DateTime.Now;
+        public double PasswordComplexityIndicator => QualityEstimation.EstimatePasswordBits(Password.ToCharArray());
 
         public double PasswordLength { get; set; } = 25;
         public bool UpperCasePatternSelected { get; set; } = true;
@@ -55,6 +57,7 @@ namespace ModernKeePass.ViewModels
             {
                 SetEntryValue(PwDefs.PasswordField, value);
                 NotifyPropertyChanged("Password");
+                NotifyPropertyChanged("PasswordComplexityIndicator");
             }
         }
         public string Url
@@ -118,11 +121,7 @@ namespace ModernKeePass.ViewModels
                 NotifyPropertyChanged("HasExpirationDate");
             }
         }
-        public bool HasExpired
-        {
-            get { return HasExpirationDate && Entry.ExpiryTime < DateTime.Now; }
-        }
-        
+
         public event PropertyChangedEventHandler PropertyChanged;
 
         private bool _isEditMode;
@@ -167,6 +166,7 @@ namespace ModernKeePass.ViewModels
             Entry?.Strings.Set(PwDefs.PasswordField, password);
             NotifyPropertyChanged("Password");
             NotifyPropertyChanged("IsRevealPasswordEnabled");
+            NotifyPropertyChanged("PasswordComplexityIndicator");
         }
 
         private string GetEntryValue(string key)