private bool EnsureDatabaseIsCreated()
{
filepath = Path.Combine(Application.StartupPath, "dbase.bin");
if (!File.Exists(filepath))
{
using (var dlg = new EnterPasswordDialog())
{
dlg.Text = "Create Database";
dlg.ConfirmPassword = true;
if (dlg.ShowDialog(this) == System.Windows.Forms.DialogResult.OK)
{
ProcessEnterPasswordInput(dlg);
convoNames = new ConversationNames();
SaveConversationNames();
}
else
{
// the user did not click "OK", so the database will not be created
return(false);
}
}
}
return(true);
}
private void ProcessEnterPasswordInput(EnterPasswordDialog dlg)
{
string password = dlg.Password;
InitializeEncryption(password);
if (dlg.SavePassword)
{
SavePassword(password);
}
}
private bool EnsureEncryptionIsCreated()
{
if (encryption == null)
{
// has the password been saved?
var path = appFile.Value;
if (File.Exists(path))
{
try
{
var cipher = File.ReadAllBytes(path);
var bytes = ProtectedData.Unprotect(cipher, null, DataProtectionScope.CurrentUser);
InitializeEncryption(Encoding.UTF8.GetString(bytes));
// the encryption has been initialized, so return
return(true);
}
catch (Exception ex)
{
// delete the file and fall through
MessageBox.Show(this, "Unable to read the saved password because " + ex.Message, "Error",
MessageBoxButtons.OK, MessageBoxIcon.Error);
File.Delete(path);
}
}
// if we get here, we need the password so we can initialize the encryption
using (var dlg = new EnterPasswordDialog())
{
dlg.Text = "Enter Password";
dlg.ConfirmPassword = false;
if (dlg.ShowDialog(this) == System.Windows.Forms.DialogResult.OK)
{
ProcessEnterPasswordInput(dlg);
}
else
{
return(false);
}
}
}
return(true);
}