public static WalletVM FromFile(string fileName, string password)
{
try
{
List <byte> myBytes = new List <byte>();
using (IsolatedStorageFile myFile = IsolatedStorageFile.GetUserStoreForApplication())
{
using (IsolatedStorageFileStream ifs = myFile.OpenFile(fileName, FileMode.Open))
{
using (MemoryStream ms = new MemoryStream())
{
ifs.CopyTo(ms);
WalletVM retVal = DeSerializeFromXML <WalletVM>(AES.Decrypt(ms.ToArray(), password));
retVal.BindItemEvents();
retVal.ResetChanges();
return(retVal);
}
}
}
}
catch (Exception ex)
{
MessageBox.Show("Corrupt file or wrong password", "Loading File Failed", MessageBoxButton.OK);
return(null);
}
}
internal static WalletVM OpenCommand()
{
OpenFileDialog dialog = new OpenFileDialog();
dialog.InitialDirectory = Properties.Settings.Default.LastSaveFolder;
dialog.DefaultExt = "wlt";
dialog.Filter = "Wallet files (*.wlt)|*.wlt|All files (*.*)|*.*";
if (dialog.ShowDialog().Value)
{
if (dialog.CheckFileExists)
{
PasswordDialog dialog1 = new PasswordDialog();
if (dialog1.ShowDialog().Value)
{
if (!string.IsNullOrWhiteSpace(dialog1.Password))
{
WalletVM wallet = FromFile(dialog.FileName, dialog1.Password);
if (wallet != null)
{
Properties.Settings.Default.LastSaveFolder = dialog.InitialDirectory;
Properties.Settings.Default.Save();
wallet._fullPath = dialog.FileName;
wallet.FileName = dialog.SafeFileName;
wallet.Password = dialog1.Password;
wallet.BindItemEvents();
wallet.ResetChanges();
}
return(wallet);
}
else
{
return(null);
}
}
else
{
return(null);
}
}
else
{
return(null);
}
}
else
{
return(null);
}
}
internal void NewWalletCommand()
{
if (string.IsNullOrEmpty(_password))
{
MessageBox.Show("Please enter a password", "Password can't be empty", MessageBoxButton.OK);
return;
}
CloudWallet.ViewModels.WalletVM myWallet = new ViewModels.WalletVM()
{
FileName = "MyCloudWallet" + _walletFiles.Count.ToString() + ".wlt", Password = _password
};
App.MyWalletFile = null;
App.MyWallet = myWallet;
myWallet.OnSaveCompleted += myWallet_OnSaveCompleted;
myWallet.AddCommand();
myWallet.SaveFile();
this.IsBusy = true;
}
