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/*
* passdialog.cpp
*
* (c) 2003-2004,2008-2010 by Jeremy Bowman <jmbowman@alum.mit.edu>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
/** @file passdialog.cpp
* Source file for PasswordDialog
*/
#include <QApplication>
#include <QDialogButtonBox>
#include <QLabel>
#include <QLineEdit>
#include <QMessageBox>
#include "database.h"
#include "factory.h"
#include "passdialog.h"
#include "encryption/crypto.h"
/**
* Constructor.
*
* @param dbase The database being created, opened, or modified
* @param dlgMode The mode in which this dialog will be used
* @param parent This dialog's parent widget
*/
PasswordDialog::PasswordDialog(Database *dbase, DialogMode dlgMode, QWidget *parent)
: PBDialog(tr("Password"), parent, true), db(dbase), mode(dlgMode)
{
QGridLayout *grid = Factory::gridLayout(vbox);
int currentRow = 0;
if (mode == ChangePassword) {
grid->addWidget(new QLabel(tr("Old password") + ":", this), 0, 0);
oldPass = new QLineEdit(this);
oldPass->setEchoMode(QLineEdit::Password);
grid->addWidget(oldPass, 0, 1);
currentRow++;
}
QString label((mode == ChangePassword) ? tr("New password") : tr("Password"));
grid->addWidget(new QLabel(label + ":", this), currentRow, 0);
pass = new QLineEdit(this);
pass->setEchoMode(QLineEdit::Password);
grid->addWidget(pass, currentRow, 1);
currentRow++;
if (mode != OpenFile) {
label = (mode == NewPassword) ? tr("Repeat password") : tr("Repeat new password");
grid->addWidget(new QLabel(label + ":", this), currentRow, 0);
repeatPass = new QLineEdit(this);
repeatPass->setEchoMode(QLineEdit::Password);
grid->addWidget(repeatPass, currentRow, 1);
currentRow++;
}
finishLayout();
}
/**
* Validate the entered password(s). May fail if the incorrect password for
* an existing file is entered, if two newly-entered passwords don't match,
* if a newly-specified password isn't deemed suitable, etc.
*
* @return True if the password(s) have been accepted, false otherwise
*/
bool PasswordDialog::validate()
{
QString password = pass->text();
if (mode == OpenFile) {
QString error = db->encryption()->setPassword(password, false);
if (!error.isEmpty()) {
QMessageBox::warning(this, qApp->applicationName(), error);
return false;
}
error = db->load();
if (!error.isEmpty()) {
QMessageBox::warning(this, qApp->applicationName(), error);
return false;
}
}
else if (mode == NewPassword) {
QString repeatPassword = repeatPass->text();
if (password != repeatPassword) {
QMessageBox::warning(this, qApp->applicationName(),
tr("Repeated password doesn't match"));
return false;
}
QString error = db->encryption()->setPassword(password, true);
if (!error.isEmpty()) {
QMessageBox::warning(this, qApp->applicationName(), error);
return false;
}
}
else {
QString oldPassword = oldPass->text();
QString repeatPassword = repeatPass->text();
if (password != repeatPassword) {
QMessageBox::warning(this, qApp->applicationName(),
tr("Repeated password doesn't match"));
return false;
}
QString error = db->encryption()->changePassword(oldPassword, password);
if (!error.isEmpty()) {
QMessageBox::warning(this, qApp->applicationName(), error);
return false;
}
}
return true;
}
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