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/*
*
* keygendialog.cpp
*
* Copyright 2008 gpg4usb-team <[email protected]>
*
* This file is part of gpg4usb.
*
* Gpg4usb 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 3 of the License, or
* (at your option) any later version.
*
* Gpg4usb is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with gpg4usb. If not, see <http://www.gnu.org/licenses/>
*/
#include "keygendialog.h"
KeyGenDialog::KeyGenDialog(GpgME::GpgContext *ctx, QWidget *parent)
: QDialog(parent)
{
mCtx = ctx;
buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel);
this->setWindowTitle(tr("Generate Key"));
this->setModal(true);
generateKeyDialog();
}
void KeyGenDialog::generateKeyDialog()
{
errorLabel = new QLabel(tr(""));
nameEdit = new QLineEdit(this);
emailEdit = new QLineEdit(this);
commentEdit = new QLineEdit(this);
keySizeSpinBox = new QSpinBox(this);
keySizeSpinBox->setRange(1024, 4096);
keySizeSpinBox->setValue(2048);
keySizeSpinBox->setSingleStep(1024);
dateEdit = new QDateEdit(QDate::currentDate().addYears(5), this);
dateEdit->setMinimumDate(QDate::currentDate());
dateEdit->setDisplayFormat("dd/MM/yyyy");
dateEdit->setCalendarPopup(true);
dateEdit->setEnabled(true);
expireCheckBox = new QCheckBox(this);
expireCheckBox->setCheckState(Qt::Unchecked);
passwordEdit = new QLineEdit(this);
repeatpwEdit = new QLineEdit(this);
passwordEdit->setEchoMode(QLineEdit::Password);
repeatpwEdit->setEchoMode(QLineEdit::Password);
pwStrengthSlider = new QSlider(this);
pwStrengthSlider->setOrientation(Qt::Horizontal);
pwStrengthSlider->setMaximum(6);
pwStrengthSlider->setDisabled(true);
pwStrengthSlider->setToolTip(tr("Password Strength"));
pwStrengthSlider->setTickPosition(QSlider::TicksBelow);
QGridLayout *vbox1 = new QGridLayout;
vbox1->addWidget(new QLabel(tr("Name:")), 0, 0);
vbox1->addWidget(new QLabel(tr("E-Mailaddress:")), 1, 0);
vbox1->addWidget(new QLabel(tr("Comment:")), 2, 0);
vbox1->addWidget(new QLabel(tr("Expiration Date:")), 3, 0);
vbox1->addWidget(new QLabel(tr("Never Expire")), 3, 3);
vbox1->addWidget(new QLabel(tr("KeySize (in Bit):")), 4, 0);
vbox1->addWidget(new QLabel(tr("Password:")), 5, 0);
vbox1->addWidget(new QLabel(tr("Password: Strength\nWeak -> Strong")), 5, 3);
vbox1->addWidget(new QLabel(tr("Repeat Password:")), 6, 0);
vbox1->addWidget(nameEdit, 0, 1);
vbox1->addWidget(emailEdit, 1, 1);
vbox1->addWidget(commentEdit, 2, 1);
vbox1->addWidget(dateEdit, 3, 1);
vbox1->addWidget(expireCheckBox, 3, 2);
vbox1->addWidget(keySizeSpinBox, 4, 1);
vbox1->addWidget(passwordEdit, 5, 1);
vbox1->addWidget(repeatpwEdit, 6, 1);
vbox1->addWidget(pwStrengthSlider, 6, 3);
QWidget *nameList = new QWidget(this);
nameList->setLayout(vbox1);
QVBoxLayout *vbox2 = new QVBoxLayout();
vbox2->addWidget(nameList);
vbox2->addWidget(errorLabel);
vbox2->addWidget(buttonBox);
connect(buttonBox, SIGNAL(accepted()), this, SLOT(slotKeyGenAccept()));
connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
connect(expireCheckBox, SIGNAL(stateChanged(int)), this, SLOT(slotExpireBoxChanged()));
connect(passwordEdit, SIGNAL(textChanged(QString)), this, SLOT(slotPasswordEditChanged()));
this->setLayout(vbox2);
}
void KeyGenDialog::slotKeyGenAccept()
{
QString errorString = "";
QString keyGenParams = "";
/**
* check for errors in keygen dialog input
*/
if ((nameEdit->text()).size() < 5) {
errorString.append(tr(" Name must contain at least five characters. \n"));
}
if (passwordEdit->text() != repeatpwEdit->text()) {
errorString.append(tr(" Password and Repeat don't match. "));
}
if (errorString.isEmpty()) {
/**
* create the string for key generation
*/
keyGenParams = "<GnupgKeyParms format=\"internal\">\n"
"Key-Type: RSA\n"
"Key-Usage: sign\n"
"Key-Length: " + keySizeSpinBox->cleanText() + "\n"
"Subkey-Type: RSA\n"
"Subkey-Length: " + keySizeSpinBox->cleanText() + "\n"
"Subkey-Usage: encrypt\n";
keyGenParams += "Name-Real: " + nameEdit->text().toUtf8() + "\n";
if (!(commentEdit->text().isEmpty())) {
keyGenParams += "Name-Comment: " + commentEdit->text().toUtf8() + "\n";
}
if (!(emailEdit->text().isEmpty())) {
keyGenParams += "Name-Email: " + emailEdit->text().toUtf8() + "\n";
}
if (expireCheckBox->checkState()) {
keyGenParams += "Expire-Date: 0\n";
} else {
keyGenParams += "Expire-Date: " + dateEdit->sectionText(QDateTimeEdit::YearSection) + "-" + dateEdit->sectionText(QDateTimeEdit::MonthSection) + "-" + dateEdit->sectionText(QDateTimeEdit::DaySection) + "\n";
}
if (!(passwordEdit->text().isEmpty())) {
keyGenParams += "Passphrase: " + passwordEdit->text() + "\n";
}
keyGenParams += "</GnupgKeyParms>";
KeyGenThread *kg = new KeyGenThread(keyGenParams, mCtx);
kg->start();
this->accept();
QDialog *dialog = new QDialog(this, Qt::CustomizeWindowHint | Qt::WindowTitleHint);
dialog->setModal(true);
dialog->setWindowTitle(tr("Generating Key..."));
QLabel *waitMessage = new QLabel(tr("Collecting random data for key generation.\n This may take a while.\n To speed up the process use your computer\n (e.g. browse the net, listen to music,...)"));
QProgressBar *pb = new QProgressBar();
pb->setRange(0, 0);
QVBoxLayout *layout = new QVBoxLayout(dialog);
layout->addWidget(waitMessage);
layout->addWidget(pb);
dialog->setLayout(layout);
dialog->show();
while (kg->isRunning()) {
QCoreApplication::processEvents();
}
dialog->close();
QMessageBox::information(0,tr("Success"),tr("New key created"));
} else {
/**
* create error message
*/
errorLabel->setAutoFillBackground(true);
QPalette error = errorLabel->palette();
error.setColor(QPalette::Background, "#ff8080");
errorLabel->setPalette(error);
errorLabel->setText(errorString);
this->show();
}
}
void KeyGenDialog::slotExpireBoxChanged()
{
if (expireCheckBox->checkState()) {
dateEdit->setEnabled(false);
} else {
dateEdit->setEnabled(true);
}
}
void KeyGenDialog::slotPasswordEditChanged()
{
pwStrengthSlider->setValue(checkPassWordStrength());
update();
}
int KeyGenDialog::checkPassWordStrength()
{
int strength = 0;
// increase strength by two, if password has more than 7 characters
if ((passwordEdit->text()).length() > 7) {
strength = strength + 2;
}
// increase strength by one, if password contains a digit
if ((passwordEdit->text()).contains(QRegExp("\\d"))) {
strength++;
}
// increase strength by one, if password contains a lowercase character
if ((passwordEdit->text()).contains(QRegExp("[a-z]"))) {
strength++;
}
// increase strength by one, if password contains an uppercase character
if ((passwordEdit->text()).contains(QRegExp("[A-Z]"))) {
strength++;
}
// increase strength by one, if password contains a non-word character
if ((passwordEdit->text()).contains(QRegExp("\\W"))) {
strength++;
}
return strength;
}
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