Major OpenDatabaseUserControl refactor, now has proper ViewModel

Status text and password box border colors are updated according to database status Update composite key in Settings work Some code cleanup
2025-10-03 15:40:18 -04:00 · 2017-11-07 18:45:35 +01:00
parent c3b8c97eea
commit 10a4941b26
24 changed files with 261 additions and 106 deletions
--- a/ModernKeePass/ViewModels/CompositeKeyVm.cs
+++ b/ModernKeePass/ViewModels/CompositeKeyVm.cs
@@ -0,0 +1,113 @@
+using Windows.Storage;
+using Windows.UI.Xaml;
+using ModernKeePass.Common;
+using ModernKeePassLib.Cryptography;
+using ModernKeePassLib.Keys;
+using ModernKeePassLib.Serialization;
+
+namespace ModernKeePass.ViewModels
+{
+    public class CompositeKeyVm: NotifyPropertyChangedBase
+    {
+        public enum StatusTypes
+        {
+            Normal = 0,
+            Error = 1,
+            Warning = 3,
+            Success = 5
+        }
+
+        private readonly App _app = Application.Current as App;
+        private bool _hasPassword;
+        private bool _hasKeyFile;
+        private string _password;
+        private string _status;
+        private StatusTypes _statusType;
+        private StorageFile _keyFile;
+
+        public bool HasPassword
+        {
+            get { return _hasPassword; }
+            set
+            {
+                SetProperty(ref _hasPassword, value);
+                OnPropertyChanged("IsValid");
+            }
+        }
+
+        public bool HasKeyFile
+        {
+            get { return _hasKeyFile; }
+            set
+            {
+                SetProperty(ref _hasKeyFile, value);
+                OnPropertyChanged("IsValid");
+            }
+        }
+
+        public bool IsValid => HasPassword || HasKeyFile;
+
+        public string Status
+        {
+            get { return _status; }
+            set { SetProperty(ref _status, value); }
+        }
+
+        public int StatusType
+        {
+            get { return (int)_statusType; }
+            set { SetProperty(ref _statusType, (StatusTypes)value); }
+        }
+
+        public string Password
+        {
+            get { return _password; }
+            set
+            {
+                _password = value;
+                OnPropertyChanged("PasswordComplexityIndicator");
+                StatusType = (int)StatusTypes.Normal;
+            }
+        }
+
+        public StorageFile KeyFile
+        {
+            get { return _keyFile; }
+            set
+            {
+                _keyFile = value;
+                UpdateStatus($"Key file: {value.Name}", StatusTypes.Normal);
+            }
+        }
+
+        public GroupVm RootGroup { get; set; }
+        public double PasswordComplexityIndicator => QualityEstimation.EstimatePasswordBits(Password?.ToCharArray());
+        
+        public DatabaseHelper.DatabaseStatus OpenDatabase(bool createNew)
+        {
+            UpdateStatus(_app.Database.Open(CreateCompositeKey(), createNew), StatusTypes.Error);
+            RootGroup = _app.Database.RootGroup;
+            return _app.Database.Status;
+        }
+
+        public void UpdateKey()
+        {
+            _app.Database.UpdateCompositeKey(CreateCompositeKey());
+            UpdateStatus("Database composite key updated.", StatusTypes.Success);
+        }
+
+        private void UpdateStatus(string text, StatusTypes type)
+        {
+            Status = text;
+            StatusType = (int)type;
+        }
+
+        private CompositeKey CreateCompositeKey()
+        {
+            var compositeKey = new CompositeKey();
+            if (HasPassword) compositeKey.AddUserKey(new KcpPassword(Password));
+            if (HasKeyFile) compositeKey.AddUserKey(new KcpKeyFile(IOConnectionInfo.FromFile(KeyFile)));
+            return compositeKey;
+        }
+    }
+}