/**
* Decrypts a text using cipher text and cipher key
* Chooses between a permanent or a individual password using the preferences
*/
void MainWindow::on_actionDecrypt_triggered()
{
if (passwordUsed)
{
query.prepare("SELECT `Password` FROM `password`;");
query.exec();
QString passwordBase;
while ( query.next() ) {
passwordBase = query.value(0).toString();
}
QByteArray passwordTemp = QByteArray::fromBase64( passwordBase.toUtf8() );
password = QString(passwordTemp);
Regex regex;
QRegExp rePassword( regex.getPassword() );
if ( !password.isEmpty() && password.contains(rePassword) )
{
decrypted = decrypt(password);
ui->textEdit_mainWindow_surface->setHtml( QString(decrypted) );
} else
{
QMessageBox::critical(this, tr("Error"), tr("An error has ocurred. Please revise your entries and note the following:\n"
"A Password must contain at least one upper case letter.\n"
"A Password must contain at least one lower case letter.\n"
"A Password must contain at least one numeric digit."));
qDebug() << "Data could not be decrypted because the password requirements were not met.";
}
} else
{
bool ok = false;
QInputDialog* inputDialog = new QInputDialog();
inputDialog->setAttribute(Qt::WA_DeleteOnClose, true);
inputDialog->setOptions(QInputDialog::NoButtons);
password = inputDialog->getText(NULL ,tr("Decryption"),
tr("Password:"******"", &ok);
if (ok)
{
Regex regex;
QRegExp rePassword( regex.getPassword() );
if ( !password.isEmpty() && password.contains(rePassword) )
{
decrypted = decrypt(password);
ui->textEdit_mainWindow_surface->setHtml( QString(decrypted) );
} else
{
QMessageBox::critical(this, tr("Error"), tr("An error has ocurred. Please revise your entries and note the following:\n"
"A Password must contain at least one upper case letter.\n"
"A Password must contain at least one lower case letter.\n"
"A Password must contain at least one numeric digit."));
qDebug() << "Data could not be decrypted because the password requirements were not met.";
}
} else
{
inputDialog->reject();
}
inputDialog->close();
}
}
