--- /dev/null
+#include "askpassphrasedialog.h"
+#include "ui_askpassphrasedialog.h"
+
+#include "guiconstants.h"
+#include "walletmodel.h"
+
+#include <QMessageBox>
+#include <QPushButton>
+
+AskPassphraseDialog::AskPassphraseDialog(Mode mode, QWidget *parent) :
+ QDialog(parent),
+ ui(new Ui::AskPassphraseDialog),
+ mode(mode),
+ model(0)
+{
+ ui->setupUi(this);
+ ui->passEdit1->setMaxLength(MAX_PASSPHRASE_SIZE);
+ ui->passEdit2->setMaxLength(MAX_PASSPHRASE_SIZE);
+ ui->passEdit3->setMaxLength(MAX_PASSPHRASE_SIZE);
+
+ 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;
+ }
+ resize(minimumSize()); // Get rid of extra space in dialog
+
+ 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()
+{
+ std::string oldpass, newpass1, newpass2;
+ // TODO: mlock memory / munlock on return so they will not be swapped out, really need "mlockedstring" wrapper class to do this safely
+ oldpass.reserve(MAX_PASSPHRASE_SIZE);
+ newpass1.reserve(MAX_PASSPHRASE_SIZE);
+ newpass2.reserve(MAX_PASSPHRASE_SIZE);
+ oldpass.assign(ui->passEdit1->text().toStdString());
+ newpass1.assign(ui->passEdit2->text().toStdString());
+ newpass2.assign(ui->passEdit3->text().toStdString());
+
+ 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 BITCOINS</b>!\nAre 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"),
+ tr("Remember that encrypting your wallet cannot fully protect your bitcoins from being stolen by malware infecting your computer."));
+ }
+ 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 succesfully 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 accepable
+ 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);
+}
git://git.novaco.in / novacoin.git / blobdiff