mirror of https://github.com/GOSTSec/gostcoin
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
249 lines
9.5 KiB
249 lines
9.5 KiB
8 years ago
|
#include "askpassphrasedialog.h"
|
||
|
|
#include "ui_askpassphrasedialog.h"
|
||
|
|
|
||
|
|
#include "guiconstants.h"
|
||
|
|
#include "walletmodel.h"
|
||
|
|
|
||
|
|
#include <QMessageBox>
|
||
|
|
#include <QPushButton>
|
||
|
|
#include <QKeyEvent>
|
||
|
|
|
||
|
|
AskPassphraseDialog::AskPassphraseDialog(Mode mode, QWidget *parent) :
|
||
|
|
QDialog(parent),
|
||
|
|
ui(new Ui::AskPassphraseDialog),
|
||
|
|
mode(mode),
|
||
|
|
model(0),
|
||
|
|
fCapsLock(false)
|
||
|
|
{
|
||
|
|
ui->setupUi(this);
|
||
|
|
ui->passEdit1->setMaxLength(MAX_PASSPHRASE_SIZE);
|
||
|
|
ui->passEdit2->setMaxLength(MAX_PASSPHRASE_SIZE);
|
||
|
|
ui->passEdit3->setMaxLength(MAX_PASSPHRASE_SIZE);
|
||
|
|
|
||
|
|
// Setup Caps Lock detection.
|
||
|
|
ui->passEdit1->installEventFilter(this);
|
||
|
|
ui->passEdit2->installEventFilter(this);
|
||
|
|
ui->passEdit3->installEventFilter(this);
|
||
|
|
|
||
|
|
switch(mode)
|
||
|
|
{
|
||
|
|
case Encrypt: // Ask passphrase x2
|
||
|
|
ui->passLabel1->hide();
|
||
|
|
ui->passEdit1->hide();
|
||
|
|
ui->warningLabel->setText(tr("Enter the new passphrase to the wallet.<br/>Please use a passphrase of <b>10 or more random characters</b>, or <b>eight or more words</b>."));
|
||
|
|
setWindowTitle(tr("Encrypt wallet"));
|
||
|
|
break;
|
||
|
|
case Unlock: // Ask passphrase
|
||
|
|
ui->warningLabel->setText(tr("This operation needs your wallet passphrase to unlock the wallet."));
|
||
|
|
ui->passLabel2->hide();
|
||
|
|
ui->passEdit2->hide();
|
||
|
|
ui->passLabel3->hide();
|
||
|
|
ui->passEdit3->hide();
|
||
|
|
setWindowTitle(tr("Unlock wallet"));
|
||
|
|
break;
|
||
|
|
case Decrypt: // Ask passphrase
|
||
|
|
ui->warningLabel->setText(tr("This operation needs your wallet passphrase to decrypt the wallet."));
|
||
|
|
ui->passLabel2->hide();
|
||
|
|
ui->passEdit2->hide();
|
||
|
|
ui->passLabel3->hide();
|
||
|
|
ui->passEdit3->hide();
|
||
|
|
setWindowTitle(tr("Decrypt wallet"));
|
||
|
|
break;
|
||
|
|
case ChangePass: // Ask old passphrase + new passphrase x2
|
||
|
|
setWindowTitle(tr("Change passphrase"));
|
||
|
|
ui->warningLabel->setText(tr("Enter the old and new passphrase to the wallet."));
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
textChanged();
|
||
|
|
connect(ui->passEdit1, SIGNAL(textChanged(QString)), this, SLOT(textChanged()));
|
||
|
|
connect(ui->passEdit2, SIGNAL(textChanged(QString)), this, SLOT(textChanged()));
|
||
|
|
connect(ui->passEdit3, SIGNAL(textChanged(QString)), this, SLOT(textChanged()));
|
||
|
|
}
|
||
|
|
|
||
|
|
AskPassphraseDialog::~AskPassphraseDialog()
|
||
|
|
{
|
||
|
|
// Attempt to overwrite text so that they do not linger around in memory
|
||
|
|
ui->passEdit1->setText(QString(" ").repeated(ui->passEdit1->text().size()));
|
||
|
|
ui->passEdit2->setText(QString(" ").repeated(ui->passEdit2->text().size()));
|
||
|
|
ui->passEdit3->setText(QString(" ").repeated(ui->passEdit3->text().size()));
|
||
|
|
delete ui;
|
||
|
|
}
|
||
|
|
|
||
|
|
void AskPassphraseDialog::setModel(WalletModel *model)
|
||
|
|
{
|
||
|
|
this->model = model;
|
||
|
|
}
|
||
|
|
|
||
|
|
void AskPassphraseDialog::accept()
|
||
|
|
{
|
||
|
|
SecureString oldpass, newpass1, newpass2;
|
||
|
|
if(!model)
|
||
|
|
return;
|
||
|
|
oldpass.reserve(MAX_PASSPHRASE_SIZE);
|
||
|
|
newpass1.reserve(MAX_PASSPHRASE_SIZE);
|
||
|
|
newpass2.reserve(MAX_PASSPHRASE_SIZE);
|
||
|
|
// TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
|
||
|
|
// Alternately, find a way to make this input mlock()'d to begin with.
|
||
|
|
oldpass.assign(ui->passEdit1->text().toStdString().c_str());
|
||
|
|
newpass1.assign(ui->passEdit2->text().toStdString().c_str());
|
||
|
|
newpass2.assign(ui->passEdit3->text().toStdString().c_str());
|
||
|
|
|
||
|
|
switch(mode)
|
||
|
|
{
|
||
|
|
case Encrypt: {
|
||
|
|
if(newpass1.empty() || newpass2.empty())
|
||
|
|
{
|
||
|
|
// Cannot encrypt with empty passphrase
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
QMessageBox::StandardButton retval = QMessageBox::question(this, tr("Confirm wallet encryption"),
|
||
|
|
tr("Warning: If you encrypt your wallet and lose your passphrase, you will <b>LOSE ALL OF YOUR ANONCOINS</b>!") + "<br><br>" + tr("Are you sure you wish to encrypt your wallet?"),
|
||
|
|
QMessageBox::Yes|QMessageBox::Cancel,
|
||
|
|
QMessageBox::Cancel);
|
||
|
|
if(retval == QMessageBox::Yes)
|
||
|
|
{
|
||
|
|
if(newpass1 == newpass2)
|
||
|
|
{
|
||
|
|
if(model->setWalletEncrypted(true, newpass1))
|
||
|
|
{
|
||
|
|
QMessageBox::warning(this, tr("Wallet encrypted"),
|
||
|
|
"<qt>" +
|
||
|
|
tr("Anoncoin will close now to finish the encryption process. "
|
||
|
|
"Remember that encrypting your wallet cannot fully protect "
|
||
|
|
"your anoncoins from being stolen by malware infecting your computer.") +
|
||
|
|
"<br><br><b>" +
|
||
|
|
tr("IMPORTANT: Any previous backups you have made of your wallet file "
|
||
|
|
"should be replaced with the newly generated, encrypted wallet file. "
|
||
|
|
"For security reasons, previous backups of the unencrypted wallet file "
|
||
|
|
"will become useless as soon as you start using the new, encrypted wallet.") +
|
||
|
|
"</b></qt>");
|
||
|
|
QApplication::quit();
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
QMessageBox::critical(this, tr("Wallet encryption failed"),
|
||
|
|
tr("Wallet encryption failed due to an internal error. Your wallet was not encrypted."));
|
||
|
|
}
|
||
|
|
QDialog::accept(); // Success
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
QMessageBox::critical(this, tr("Wallet encryption failed"),
|
||
|
|
tr("The supplied passphrases do not match."));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
QDialog::reject(); // Cancelled
|
||
|
|
}
|
||
|
|
} break;
|
||
|
|
case Unlock:
|
||
|
|
if(!model->setWalletLocked(false, oldpass))
|
||
|
|
{
|
||
|
|
QMessageBox::critical(this, tr("Wallet unlock failed"),
|
||
|
|
tr("The passphrase entered for the wallet decryption was incorrect."));
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
QDialog::accept(); // Success
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case Decrypt:
|
||
|
|
if(!model->setWalletEncrypted(false, oldpass))
|
||
|
|
{
|
||
|
|
QMessageBox::critical(this, tr("Wallet decryption failed"),
|
||
|
|
tr("The passphrase entered for the wallet decryption was incorrect."));
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
QDialog::accept(); // Success
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
case ChangePass:
|
||
|
|
if(newpass1 == newpass2)
|
||
|
|
{
|
||
|
|
if(model->changePassphrase(oldpass, newpass1))
|
||
|
|
{
|
||
|
|
QMessageBox::information(this, tr("Wallet encrypted"),
|
||
|
|
tr("Wallet passphrase was successfully changed."));
|
||
|
|
QDialog::accept(); // Success
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
QMessageBox::critical(this, tr("Wallet encryption failed"),
|
||
|
|
tr("The passphrase entered for the wallet decryption was incorrect."));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
QMessageBox::critical(this, tr("Wallet encryption failed"),
|
||
|
|
tr("The supplied passphrases do not match."));
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void AskPassphraseDialog::textChanged()
|
||
|
|
{
|
||
|
|
// Validate input, set Ok button to enabled when acceptable
|
||
|
|
bool acceptable = false;
|
||
|
|
switch(mode)
|
||
|
|
{
|
||
|
|
case Encrypt: // New passphrase x2
|
||
|
|
acceptable = !ui->passEdit2->text().isEmpty() && !ui->passEdit3->text().isEmpty();
|
||
|
|
break;
|
||
|
|
case Unlock: // Old passphrase x1
|
||
|
|
case Decrypt:
|
||
|
|
acceptable = !ui->passEdit1->text().isEmpty();
|
||
|
|
break;
|
||
|
|
case ChangePass: // Old passphrase x1, new passphrase x2
|
||
|
|
acceptable = !ui->passEdit1->text().isEmpty() && !ui->passEdit2->text().isEmpty() && !ui->passEdit3->text().isEmpty();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(acceptable);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool AskPassphraseDialog::event(QEvent *event)
|
||
|
|
{
|
||
|
|
// Detect Caps Lock key press.
|
||
|
|
if (event->type() == QEvent::KeyPress) {
|
||
|
|
QKeyEvent *ke = static_cast<QKeyEvent *>(event);
|
||
|
|
if (ke->key() == Qt::Key_CapsLock) {
|
||
|
|
fCapsLock = !fCapsLock;
|
||
|
|
}
|
||
|
|
if (fCapsLock) {
|
||
|
|
ui->capsLabel->setText(tr("Warning: The Caps Lock key is on!"));
|
||
|
|
} else {
|
||
|
|
ui->capsLabel->clear();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return QWidget::event(event);
|
||
|
|
}
|
||
|
|
|
||
|
|
bool AskPassphraseDialog::eventFilter(QObject *object, QEvent *event)
|
||
|
|
{
|
||
|
|
/* Detect Caps Lock.
|
||
|
|
* There is no good OS-independent way to check a key state in Qt, but we
|
||
|
|
* can detect Caps Lock by checking for the following condition:
|
||
|
|
* Shift key is down and the result is a lower case character, or
|
||
|
|
* Shift key is not down and the result is an upper case character.
|
||
|
|
*/
|
||
|
|
if (event->type() == QEvent::KeyPress) {
|
||
|
|
QKeyEvent *ke = static_cast<QKeyEvent *>(event);
|
||
|
|
QString str = ke->text();
|
||
|
|
if (str.length() != 0) {
|
||
|
|
const QChar *psz = str.unicode();
|
||
|
|
bool fShift = (ke->modifiers() & Qt::ShiftModifier) != 0;
|
||
|
|
if ((fShift && *psz >= 'a' && *psz <= 'z') || (!fShift && *psz >= 'A' && *psz <= 'Z')) {
|
||
|
|
fCapsLock = true;
|
||
|
|
ui->capsLabel->setText(tr("Warning: The Caps Lock key is on!"));
|
||
|
|
} else if (psz->isLetter()) {
|
||
|
|
fCapsLock = false;
|
||
|
|
ui->capsLabel->clear();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return QDialog::eventFilter(object, event);
|
||
|
|
}
|