/// <summary>
/// TODO: Comment
/// </summary>
public MainView()
{
InitializeComponent();
//TODO: Save path in configuration
string configurationPath = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
"SecureVault",
"settings",
"configuration.dat");
ConfigurationHelper configHelper = new ConfigurationHelper(configurationPath);
if (!configHelper.CheckConfiguration())
{
ConfigurationPage configPage = new ConfigurationPage();
configPage.DataContext = new ConfigurationViewModel(new Configuration(), this.MainFrame);
this.MainFrame.Navigate(configPage);
}
else
{
PasswordPage passwordPage = new PasswordPage();
passwordPage.DataContext = new PasswordViewModel(new Vault(), this.MainFrame);
this.MainFrame.Navigate(passwordPage);
}
}
/// <summary>
/// TODO: Comment
/// </summary>
public void SaveConfigurationExcecute()
{
string configurationPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
"SecureVault",
"settings",
"configuration.dat");
ConfigurationHelper configHelper = new ConfigurationHelper(configurationPath);
HashHelper hashHelper = new HashHelper();
SecureStringHelper secureStringHelper = new SecureStringHelper();
if (String.IsNullOrWhiteSpace(secureStringHelper.SecureStringToString(this.MasterPassword)) ||
String.IsNullOrWhiteSpace(secureStringHelper.SecureStringToString(this.MasterPasswordConfirmation)))
{
this.Error = "Please set a Password";
return;
}
//Check if password and confirmation are equal
if (secureStringHelper.SecureStringToString(this.MasterPassword).Equals(secureStringHelper.SecureStringToString(this.MasterPasswordConfirmation)))
{
//Create configuration file
configHelper.CreateConfigurationFile();
//Save master password
string passwordHash = hashHelper.ComputeHash(secureStringHelper.SecureStringToString(this.MasterPassword));
configHelper.SaveMasterPassword(passwordHash);
//Navigate to PasswordPage
PasswordPage passwordPage = new PasswordPage();
passwordPage.DataContext = new PasswordViewModel(new Vault(), this.MainFrame);
this.MainFrame.Navigate(passwordPage);
}
else
{
this.Error = "Not equal";
}
}
/// <summary>
/// TODO: Comment
/// </summary>
public void ShowPasswordExcecute(int? selectedID)
{
//TODO: Save path in configuration
string configurationPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
"SecureVault",
"settings",
"configuration.dat");
ConfigurationHelper configHelper = new ConfigurationHelper(configurationPath);
KeyHelper keyHelper = new KeyHelper();
SecureStringHelper secureStringHelper = new SecureStringHelper();
byte[] key = keyHelper.DeriveKey(secureStringHelper.SecureStringToString(this.Password), configHelper.GetSalt());
CryptoHelper cryptoHelper = new CryptoHelper(key, Convert.FromBase64String(this.SavedData[selectedID.Value].Salt));
string decryptedValue = cryptoHelper.DecryptValue(this.SavedData[selectedID.Value].EncryptedValue);
this.DecryptedPassword = decryptedValue;
}
/// <summary>
/// TODO: Comment
/// </summary>
public void RefreshDataExcecute()
{
//TODO: Save path in configuration
string configurationPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
"SecureVault",
"settings",
"configuration.dat");
ConfigurationHelper configHelper = new ConfigurationHelper(configurationPath);
IEnumerable<Tuple<string, string, string>> savedData = configHelper.GetAllSavedData();
ObservableCollection<SavedData> dataCollection = new ObservableCollection<SavedData>();
foreach (var data in savedData)
{
dataCollection.Add(new SavedData() { Name = data.Item1, EncryptedValue = data.Item2, Salt = data.Item3 });
}
this.SavedData = dataCollection;
}
/// <summary>
/// TODO: Comment
/// </summary>
public void AuthenticateExcecute()
{
//TODO: Save path in configuration
string configurationPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
"SecureVault",
"settings",
"configuration.dat");
ConfigurationHelper configHelper = new ConfigurationHelper(configurationPath);
HashHelper hashHelper = new HashHelper();
SecureStringHelper secureStringHelper = new SecureStringHelper();
//Check if password is correct
if (hashHelper.ComputeHash(secureStringHelper.SecureStringToString(this.Password)).Equals(configHelper.GetPasswordHash()))
{
IEnumerable<Tuple<string, string, string>> savedData = configHelper.GetAllSavedData();
ObservableCollection<SavedData> dataCollection = new ObservableCollection<SavedData>();
foreach (var data in savedData)
{
dataCollection.Add(new SavedData() { Name = data.Item1, EncryptedValue = data.Item2, Salt = data.Item3 });
}
this.Model.SavedData = dataCollection;
//Navigate to the VaultPage
VaultPage vaultPage = new VaultPage();
vaultPage.DataContext = new VaultViewModel(this.Model);
this.MainFrame.Navigate(vaultPage);
}
else
{
this.Error = "Invalid Password";
this.Model.SavedData = null;
}
}
/// <summary>
/// TODO: Comment
/// </summary>
public void SaveDataExcecute()
{
//TODO: Save path in configuration
string configurationPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments),
"SecureVault",
"settings",
"configuration.dat");
ConfigurationHelper configHelper = new ConfigurationHelper(configurationPath);
SecureStringHelper secureStringHelper = new SecureStringHelper();
KeyHelper keyHelper = new KeyHelper();
SaltGenerator saltGenerator = new SaltGenerator();
//Generate random salt
byte[] salt = saltGenerator.GenerateSalt();
byte[] key = keyHelper.DeriveKey(secureStringHelper.SecureStringToString(this.Password), configHelper.GetSalt());
CryptoHelper cryptoHelper = new CryptoHelper(key, salt);
var plainTextBytes = Encoding.UTF8.GetBytes(secureStringHelper.SecureStringToString(this.SecureData));
var plainPasswordBase64 = Convert.ToBase64String(plainTextBytes);
string encryptedValue = cryptoHelper.EncryptValue(plainPasswordBase64);
configHelper.AddData(this.Name, encryptedValue, Convert.ToBase64String(salt));
//Close the NewData window
Application.Current.Windows.OfType<Window>().SingleOrDefault(x => x.IsActive).Close();
}
