private async void ChangePasswordButton_Click(object sender, RoutedEventArgs e)
{
_ = sender;
_ = e;
// Show password dialog at first time.
SetNewPassDialog d = new SetNewPassDialog(true, false);
d.Password = "";
await d.ShowAsync();
// If canceled, give up to change password.
if (!d.IsOK)
{
return;
}
string currentPass = d.OldPassword;
string newPass = d.Password;
bool saveFlg = d.SavePassword;
// Try to change password, and if failed, request new password again.
while (!AppData.ChangeUserPassword(currentPass, newPass))
{
// Show dialog
d = new SetNewPassDialog(true, true);
d.Password = newPass;
d.SavePassword = saveFlg;
await d.ShowAsync();
// If canceled, give up to change password.
if (!d.IsOK)
{
return;
}
currentPass = d.OldPassword;
newPass = d.Password;
saveFlg = d.SavePassword;
}
if (saveFlg)
{
// If save password flag is set, save new password string.
AppData.SaveUserPassword(newPass);
}
else
{
// If save password flag is not set, clear saved old password.
AppData.ClearSavedUserPassword();
}
}
private async Task <bool> LoadPasswordFile()
{
string masterPass = "";
bool passerror;
bool isFirst = true;
// Get saved password
string savedPass = AppData.GetSavedUserPassword();
if (!string.IsNullOrEmpty(savedPass))
{
if (!AppData.Authenticate(savedPass, out passerror, out masterPass))
{
// If authenticate is failed by unknown error, it failed to load file.
if (!passerror)
{
return(false);
}
masterPass = "";
isFirst = false;
}
}
string d_userPass = "";
bool d_savePassFlg = false;
while (string.IsNullOrEmpty(masterPass))
{
// Show password dialog
PasswordDialog d = new PasswordDialog();
d.Password = d_userPass;
d.SavePassword = d_savePassFlg;
d.IsFirstTime = isFirst;
await d.ShowAsync();
// If canceled, failed to load file.
if (!d.IsOK)
{
return(false);
}
d_userPass = d.Password;
d_savePassFlg = d.SavePassword;
if (!AppData.Authenticate(d_userPass, out passerror, out masterPass))
{
// If authenticate is failed by unknown error, it failed to load file.
if (!passerror)
{
return(false);
}
masterPass = "";
isFirst = false;
}
}
// If authenticated and save password flag is specified, save inputed password string
if (d_savePassFlg)
{
AppData.SaveUserPassword(d_userPass);
}
// Load password file
PasswordFile pf = new PasswordFile();
if (pf.Load(masterPass))
{
// hold opened password file
m_PasswordFile = pf;
}
else
{
// If failed to file, create new empty file.
m_PasswordFile = new PasswordFile();
}
// hold master password string for future saving
m_Password = masterPass;
m_LastEditDate = DateTime.UtcNow;
EditEnableToggle.OnContent = SAVED_LABEL_TEXT;
return(true);
}
// Load password file
private static async Task <Tuple <PasswordFile, string> > LoadSelectedPasswordFile()
{
// Get stored password
string savedPass = AppData.GetSavedUserPassword();
string masterPass = "";
bool passerror;
bool isFirst = true;
if (!string.IsNullOrEmpty(savedPass))
{
if (!AppData.Authenticate(savedPass, out passerror, out masterPass))
{
if (!passerror)
{
// Unexpected error
return(new Tuple <PasswordFile, string>(null, ""));
}
masterPass = "";
isFirst = false;
}
}
string d_userPass = "";
bool d_savePassFlg = false;
while (string.IsNullOrEmpty(masterPass))
{
// Show password dialog
PasswordDialog d = new PasswordDialog();
d.Password = d_userPass;
d.SavePassword = d_savePassFlg;
d.IsFirstTime = isFirst;
await d.ShowAsync();
// If canceled, failed to load file
if (!d.IsOK)
{
return(new Tuple <PasswordFile, string>(null, ""));
}
d_userPass = d.Password;
d_savePassFlg = d.SavePassword;
if (!AppData.Authenticate(d_userPass, out passerror, out masterPass))
{
if (!passerror)
{
// Unexpected error
return(new Tuple <PasswordFile, string>(null, ""));
}
// Retry
masterPass = "";
isFirst = false;
}
}
// If authenticated and save password flag is specified, save inputed password string
if (d_savePassFlg)
{
AppData.SaveUserPassword(d_userPass);
}
PasswordFile pwFile = new PasswordFile();
bool loadResult = pwFile.Load(masterPass);
if (!loadResult)
{
// Unexpected error
return(new Tuple <PasswordFile, string>(null, ""));
}
return(new Tuple <PasswordFile, string>(pwFile, masterPass));
}
