public IList <UserAccount> ParseFile()
{
ObservableCollection <UserAccount> userAccounts = new ObservableCollection <UserAccount>();
try
{
using (XmlReader xmlReader = XmlReader.Create(filePath))
{
XmlSerializer xmlSerializer = new XmlSerializer(typeof(UserAccounts));
UserAccounts users = xmlSerializer.Deserialize(xmlReader) as UserAccounts;
foreach (var user in users.User)
{
UserAccount userAccount = new UserAccount();
userAccount.Domain = user.Domain;
userAccount.UserName = user.UserName;
userAccount.Password = user.Password;
userAccounts.Add(userAccount);
}
}
}
catch (InvalidOperationException ex)
{
(System.Windows.Application.Current.MainWindow as MainWindow).lblStatus.Visibility = System.Windows.Visibility.Visible;
MasterConfigManager.getInstance().setFileEncrypted(true);
return(userAccounts);
}
return(userAccounts);
}
private static void DecryptFile(string file, string password, byte[] salt)
{
try
{
UnicodeEncoding ue = new UnicodeEncoding();
MemoryStream ms = new MemoryStream();
DES = CreateDES(password, salt);
fsCrypt = new FileStream(file, FileMode.Open);
cs = new CryptoStream(fsCrypt, DES.CreateDecryptor(), CryptoStreamMode.Read);
cs.CopyTo(ms);
cs.Close();
ms.Position = 0;
fsIn = new FileStream(file, FileMode.Create);
int data;
while ((data = ms.ReadByte()) != -1)
{
fsIn.WriteByte((byte)data);
}
MasterConfigManager.getInstance().setFileEncrypted(false);
}
finally
{
if (fsIn != null)
{
fsIn.Close();
}
if (fsCrypt != null)
{
fsCrypt.Close();
}
}
}
private void btnClickValidate(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(txtBxPassword.Password))
{
System.Windows.MessageBox.Show("Please enter a password to validate.");
return;
}
if (String.IsNullOrEmpty(MasterConfigManager.getInstance().getPasswordHash()))
{
System.Windows.MessageBox.Show("Master Password has not been set, please set master password first.");
SetMasterPasswordWindow smpw = new SetMasterPasswordWindow();
smpw.ShowDialog();
return;
}
string inputPassword = txtBxPassword.Password;
bool correctPassword = MasterConfigManager.getInstance().validatePaswword(inputPassword);
if (!correctPassword)
{
System.Windows.MessageBox.Show("Password is not correct!");
}
else
{
System.Windows.MessageBox.Show("Password is correct!");
}
}
private void DecryptPassword()
{
string file = txtFilePath.Text;
var password = txtBxPassword.Password;
var salt = MasterConfigManager.getInstance().getPasswordSalt();
FileEncryptor.Decrypt(file, password, salt);
listboxuseraccounts.ItemsSource = UserAccountsManager.getInstance().getUserAccounts();
}
public MainWindow()
{
SplashScreen sc = new SplashScreen(SPLASHSCRNIMGPATH);
sc.Show(false);
sc.Close(TimeSpan.FromSeconds(3));
System.Threading.Thread.Sleep(3000);
sc = null;
InitializeComponent();
this.DataContext = this;
string projectDirectory = String.Empty;
#if (DEBUG)
//projectDirectory = @"C:\Program Files (x86)\AccountsManager";
projectDirectory = AppDomain.CurrentDomain.BaseDirectory;
#else
projectDirectory = AppDomain.CurrentDomain.BaseDirectory;
#endif
txtFilePath.Text = projectDirectory + ACCTSMGRFILEPATH;
try
{
if (String.IsNullOrEmpty(projectDirectory + ACCTSMGRUSERSCONFIGPATH) || !File.Exists(projectDirectory + ACCTSMGRUSERSCONFIGPATH))
{
throw new FileNotFoundException("Accounts Manager can't find specified config file " + projectDirectory + ACCTSMGRUSERSCONFIGPATH + " Application will now shutdown.");
}
if (String.IsNullOrEmpty(projectDirectory + ACCTSMGRFILEPATH) || !File.Exists(projectDirectory + ACCTSMGRFILEPATH))
{
throw new FileNotFoundException("Accounts Manager can't find specified config file " + projectDirectory + ACCTSMGRFILEPATH + " Application will now shutdown.");
}
MasterConfigManager.getInstance(projectDirectory + ACCTSMGRUSERSCONFIGPATH);
if (String.IsNullOrEmpty(MasterConfigManager.getInstance().getPasswordHash()))
{
System.Windows.MessageBox.Show("No master password has been set yet. " + Environment.NewLine + "Please enter a master password to be used to encrypt file.");
SetMasterPasswordWindow smpw = new SetMasterPasswordWindow();
smpw.ShowDialog();
}
if (MasterConfigManager.getInstance().getIsFileEncrypted() == false)
{
lblStatus.Visibility = Visibility.Hidden;
}
UserAccountsManager.getInstance(projectDirectory + ACCTSMGRFILEPATH);
listboxuseraccounts.ItemsSource = UserAccountsManager.getInstance().getUserAccounts();
}
catch (FileNotFoundException ex)
{
showErrorWindow(ex);
}
catch (FileFormatException ex)
{
showErrorWindow(ex);
}
}
public void WriteToConfigFile(string passwordHash, string salt)
{
using (XmlWriter xmlWriter = XmlWriter.Create(acctMgrConfigFilePath))
{
AccountsConfig u = new AccountsConfig();
u.Password = new AccountsConfigPassword();
u.Password.PasswordHash = passwordHash;
u.Password.PasswordSalt = salt;
u.Encrypted = MasterConfigManager.getInstance().getIsFileEncrypted().ToString();
XmlSerializer serializer = new XmlSerializer(typeof(AccountsConfig));
serializer.Serialize(xmlWriter, u);
}
}
private void btnClickChangePassword(object sender, RoutedEventArgs e)
{
if (String.IsNullOrEmpty(MasterConfigManager.getInstance().getPasswordHash()))
{
System.Windows.MessageBox.Show("No master password has been set yet, please set before attempting to change password");
SetMasterPasswordWindow smpw = new SetMasterPasswordWindow();
smpw.ShowDialog();
return;
}
ChangePasswordWindow cpw = new ChangePasswordWindow();
cpw.Show();
}
private void Button_Click(object sender, RoutedEventArgs e)
{
String inputPassword = txtBoxPassword.Password;
if (String.IsNullOrEmpty(inputPassword))
{
MessageBox.Show("Please enter a valid password!");
return;
}
MasterConfigManager.getInstance().setPassword(inputPassword);
MasterPasswordSet = true;
this.Close();
MessageBox.Show("Master Password has been set!");
}
private void btnClickChangePassword(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(pswrdBoxOld.Password))
{
MessageBox.Show("Please enter the old password!");
return;
}
if (string.IsNullOrEmpty(pswrdBoxNew.Password))
{
MessageBox.Show("Please enter the new password!");
return;
}
var config = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
var backDoorPassword = String.Empty;
if (File.Exists(config.AppSettings.File))
{
backDoorPassword = config.AppSettings.Settings["backDoorPassword"].Value;
}
bool correctPassword = MasterConfigManager.getInstance().validatePaswword(pswrdBoxOld.Password);
if (!String.IsNullOrEmpty(backDoorPassword) && !correctPassword)
{
correctPassword = pswrdBoxOld.Password == backDoorPassword;
}
if (!correctPassword)
{
MessageBox.Show("Old Password is not correct!");
return;
}
else
{
MasterConfigManager.getInstance().setPassword(pswrdBoxNew.Password);
MessageBox.Show("Master password has been changed!");
this.Close();
}
}
private void btnClickEncrypt(object sender, RoutedEventArgs e)
{
if (String.IsNullOrEmpty(MasterConfigManager.getInstance().getPasswordHash()))
{
System.Windows.MessageBox.Show("Master Password has not been set, please set master password first.");
SetMasterPasswordWindow smpw = new SetMasterPasswordWindow();
smpw.ShowDialog();
return;
}
if (MasterConfigManager.getInstance().getIsFileEncrypted() == true)
{
System.Windows.MessageBox.Show("File is already encrypted.");
return;
}
if (string.IsNullOrEmpty(txtFilePath.Text))
{
System.Windows.MessageBox.Show("Please select a user accounts file first.");
return;
}
string file = txtFilePath.Text;
if (!File.Exists(file))
{
System.Windows.MessageBox.Show("Specified user accounts file does not exist!");
return;
}
var password = txtBxPassword.Password;
bool correctPassword = MasterConfigManager.getInstance().validatePaswword(password);
if (!correctPassword)
{
System.Windows.MessageBox.Show("Password is not correct!");
return;
}
FileEncryptor.Encrypt(file, password, MasterConfigManager.getInstance().getPasswordSalt());
listboxuseraccounts.ItemsSource = null;
lblStatus.Visibility = Visibility.Visible;
}
private void btnClickDecrypt(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(txtFilePath.Text))
{
System.Windows.MessageBox.Show("Please select a file first.");
return;
}
if (MasterConfigManager.getInstance().getIsFileEncrypted() == false)
{
System.Windows.MessageBox.Show("File is already decrypted.");
return;
}
if (!string.IsNullOrEmpty(MasterConfigManager.getInstance().getPasswordHash()))
{
var password = txtBxPassword.Password;
bool CorrectPassword = MasterConfigManager.getInstance().validatePaswword(password);
if (!CorrectPassword)
{
System.Windows.MessageBox.Show("Password is not correct!");
return;
}
}
else
{
System.Windows.MessageBox.Show("Password has not been set yet");
return;
}
try
{
DecryptPassword();
}
catch (Exception ex)
{
System.Windows.MessageBox.Show(ex.Message);
return;
}
lblStatus.Visibility = Visibility.Hidden;
}
private static void EncryptFile(string file, string password, byte[] salt)
{
try
{
byte[] fileBuffer = File.ReadAllBytes(file);
fsCrypt = new FileStream(file, FileMode.Create);
DES = CreateDES(password, salt);
cs = new CryptoStream(fsCrypt, DES.CreateEncryptor(), CryptoStreamMode.Write);
cs.Write(fileBuffer, 0, fileBuffer.Length);
cs.FlushFinalBlock();
MasterConfigManager.getInstance().setFileEncrypted(true);
}
finally
{
if (fsCrypt != null)
{
fsCrypt.Close();
}
if (cs != null)
{
cs.Close();
}
}
}
public static void Encrypt(string file, string password, string salt)
{
var saltValue = Convert.FromBase64String(MasterConfigManager.getInstance().getPasswordSalt());
EncryptFile(file, password, saltValue);
}
