Wladimir J. van der Laan
13 years ago
16 changed files with 582 additions and 9 deletions
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#include "askpassphrasedialog.h" |
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#include "ui_askpassphrasedialog.h" |
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#include "guiconstants.h" |
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#include "walletmodel.h" |
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#include <QMessageBox> |
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#include <QPushButton> |
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AskPassphraseDialog::AskPassphraseDialog(Mode mode, QWidget *parent) : |
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QDialog(parent), |
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ui(new Ui::AskPassphraseDialog), |
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mode(mode), |
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model(0) |
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{ |
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ui->setupUi(this); |
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ui->passEdit1->setMaxLength(MAX_PASSPHRASE_SIZE); |
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ui->passEdit2->setMaxLength(MAX_PASSPHRASE_SIZE); |
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ui->passEdit3->setMaxLength(MAX_PASSPHRASE_SIZE); |
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switch(mode) |
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{ |
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case Encrypt: // Ask passphrase x2
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ui->passLabel1->hide(); |
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ui->passEdit1->hide(); |
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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>.")); |
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setWindowTitle(tr("Encrypt wallet")); |
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break; |
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case Unlock: // Ask passphrase
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ui->warningLabel->setText(tr("This operation needs your wallet passphrase to unlock the wallet.")); |
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ui->passLabel2->hide(); |
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ui->passEdit2->hide(); |
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ui->passLabel3->hide(); |
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ui->passEdit3->hide(); |
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setWindowTitle(tr("Unlock wallet")); |
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break; |
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case Decrypt: // Ask passphrase
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ui->warningLabel->setText(tr("This operation needs your wallet passphrase to decrypt the wallet.")); |
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ui->passLabel2->hide(); |
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ui->passEdit2->hide(); |
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ui->passLabel3->hide(); |
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ui->passEdit3->hide(); |
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setWindowTitle(tr("Decrypt wallet")); |
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break; |
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case ChangePass: // Ask old passphrase + new passphrase x2
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setWindowTitle(tr("Change passphrase")); |
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ui->warningLabel->setText(tr("Enter the old and new passphrase to the wallet.")); |
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break; |
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} |
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resize(minimumSize()); // Get rid of extra space in dialog
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textChanged(); |
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connect(ui->passEdit1, SIGNAL(textChanged(QString)), this, SLOT(textChanged())); |
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connect(ui->passEdit2, SIGNAL(textChanged(QString)), this, SLOT(textChanged())); |
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connect(ui->passEdit3, SIGNAL(textChanged(QString)), this, SLOT(textChanged())); |
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} |
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AskPassphraseDialog::~AskPassphraseDialog() |
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{ |
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// Attempt to overwrite text so that they do not linger around in memory
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ui->passEdit1->setText(QString(" ").repeated(ui->passEdit1->text().size())); |
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ui->passEdit2->setText(QString(" ").repeated(ui->passEdit2->text().size())); |
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ui->passEdit3->setText(QString(" ").repeated(ui->passEdit3->text().size())); |
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delete ui; |
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} |
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void AskPassphraseDialog::setModel(WalletModel *model) |
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{ |
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this->model = model; |
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} |
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void AskPassphraseDialog::accept() |
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{ |
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std::string oldpass, newpass1, newpass2; |
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// TODO: mlock memory / munlock on return so they will not be swapped out, really need "mlockedstring" wrapper class to do this safely
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oldpass.reserve(MAX_PASSPHRASE_SIZE); |
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newpass1.reserve(MAX_PASSPHRASE_SIZE); |
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newpass2.reserve(MAX_PASSPHRASE_SIZE); |
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oldpass.assign(ui->passEdit1->text().toStdString()); |
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newpass1.assign(ui->passEdit2->text().toStdString()); |
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newpass2.assign(ui->passEdit3->text().toStdString()); |
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switch(mode) |
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{ |
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case Encrypt: { |
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if(newpass1.empty() || newpass2.empty()) |
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{ |
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// Cannot encrypt with empty passphrase
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break; |
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} |
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QMessageBox::StandardButton retval = QMessageBox::question(this, tr("Confirm wallet encryption"), |
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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?"), |
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QMessageBox::Yes|QMessageBox::Cancel, |
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QMessageBox::Cancel); |
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if(retval == QMessageBox::Yes) |
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{ |
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if(newpass1 == newpass2) |
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{ |
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if(model->setWalletEncrypted(true, newpass1)) |
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{ |
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QMessageBox::warning(this, tr("Wallet encrypted"), |
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tr("Remember that encrypting your wallet cannot fully protect your bitcoins from being stolen by malware infecting your computer.")); |
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} |
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else |
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{ |
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QMessageBox::critical(this, tr("Wallet encryption failed"), |
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tr("Wallet encryption failed due to an internal error. Your wallet was not encrypted.")); |
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} |
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QDialog::accept(); // Success
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} |
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else |
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{ |
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QMessageBox::critical(this, tr("Wallet encryption failed"), |
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tr("The supplied passphrases do not match.")); |
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} |
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} |
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else |
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{ |
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QDialog::reject(); // Cancelled
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} |
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} break; |
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case Unlock: |
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if(!model->setWalletLocked(false, oldpass)) |
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{ |
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QMessageBox::critical(this, tr("Wallet unlock failed"), |
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tr("The passphrase entered for the wallet decryption was incorrect.")); |
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} |
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else |
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{ |
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QDialog::accept(); // Success
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} |
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break; |
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case Decrypt: |
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if(!model->setWalletEncrypted(false, oldpass)) |
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{ |
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QMessageBox::critical(this, tr("Wallet decryption failed"), |
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tr("The passphrase entered for the wallet decryption was incorrect.")); |
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} |
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else |
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{ |
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QDialog::accept(); // Success
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} |
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break; |
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case ChangePass: |
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if(newpass1 == newpass2) |
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{ |
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if(model->changePassphrase(oldpass, newpass1)) |
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{ |
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QMessageBox::information(this, tr("Wallet encrypted"), |
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tr("Wallet passphrase was succesfully changed.")); |
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QDialog::accept(); // Success
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} |
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else |
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{ |
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QMessageBox::critical(this, tr("Wallet encryption failed"), |
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tr("The passphrase entered for the wallet decryption was incorrect.")); |
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} |
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} |
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else |
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{ |
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QMessageBox::critical(this, tr("Wallet encryption failed"), |
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tr("The supplied passphrases do not match.")); |
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} |
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break; |
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} |
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} |
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void AskPassphraseDialog::textChanged() |
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{ |
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// Validate input, set Ok button to enabled when accepable
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bool acceptable = false; |
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switch(mode) |
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{ |
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case Encrypt: // New passphrase x2
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acceptable = !ui->passEdit2->text().isEmpty() && !ui->passEdit3->text().isEmpty(); |
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break; |
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case Unlock: // Old passphrase x1
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case Decrypt: |
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acceptable = !ui->passEdit1->text().isEmpty(); |
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break; |
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case ChangePass: // Old passphrase x1, new passphrase x2
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acceptable = !ui->passEdit1->text().isEmpty() && !ui->passEdit2->text().isEmpty() && !ui->passEdit3->text().isEmpty(); |
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break; |
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} |
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ui->buttonBox->button(QDialogButtonBox::Ok)->setEnabled(acceptable); |
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} |
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@ -0,0 +1,40 @@ |
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#ifndef ASKPASSPHRASEDIALOG_H |
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#define ASKPASSPHRASEDIALOG_H |
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#include <QDialog> |
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namespace Ui { |
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class AskPassphraseDialog; |
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} |
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class WalletModel; |
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class AskPassphraseDialog : public QDialog |
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{ |
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Q_OBJECT |
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public: |
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enum Mode { |
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Encrypt, // Ask passphrase x2
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Unlock, // Ask passphrase
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ChangePass, // Ask old passphrase + new passphrase x2
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Decrypt // Ask passphrase
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}; |
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explicit AskPassphraseDialog(Mode mode, QWidget *parent = 0); |
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~AskPassphraseDialog(); |
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void accept(); |
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void setModel(WalletModel *model); |
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private: |
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Ui::AskPassphraseDialog *ui; |
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Mode mode; |
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WalletModel *model; |
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private slots: |
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void textChanged(); |
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}; |
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#endif // ASKPASSPHRASEDIALOG_H
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@ -0,0 +1,148 @@ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<ui version="4.0"> |
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<class>AskPassphraseDialog</class> |
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<widget class="QDialog" name="AskPassphraseDialog"> |
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<property name="geometry"> |
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<rect> |
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<x>0</x> |
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<y>0</y> |
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<width>589</width> |
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<height>228</height> |
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</rect> |
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</property> |
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<property name="sizePolicy"> |
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<sizepolicy hsizetype="Preferred" vsizetype="Minimum"> |
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<horstretch>0</horstretch> |
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<verstretch>0</verstretch> |
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</sizepolicy> |
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</property> |
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<property name="minimumSize"> |
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<size> |
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<width>550</width> |
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<height>0</height> |
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</size> |
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</property> |
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<property name="windowTitle"> |
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<string>Dialog</string> |
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</property> |
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<layout class="QVBoxLayout" name="verticalLayout"> |
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<item> |
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<widget class="QLabel" name="warningLabel"> |
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<property name="text"> |
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<string>TextLabel</string> |
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</property> |
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<property name="textFormat"> |
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<enum>Qt::RichText</enum> |
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</property> |
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</widget> |
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</item> |
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<item> |
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<layout class="QFormLayout" name="formLayout"> |
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<property name="fieldGrowthPolicy"> |
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<enum>QFormLayout::AllNonFixedFieldsGrow</enum> |
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</property> |
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<item row="1" column="0"> |
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<widget class="QLabel" name="passLabel1"> |
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<property name="text"> |
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<string>Enter passphrase</string> |
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</property> |
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</widget> |
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</item> |
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<item row="1" column="1"> |
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<widget class="QLineEdit" name="passEdit1"> |
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<property name="echoMode"> |
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<enum>QLineEdit::Password</enum> |
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</property> |
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</widget> |
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</item> |
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<item row="2" column="0"> |
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<widget class="QLabel" name="passLabel2"> |
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<property name="text"> |
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<string>New passphrase</string> |
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</property> |
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</widget> |
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</item> |
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<item row="2" column="1"> |
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<widget class="QLineEdit" name="passEdit2"> |
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<property name="echoMode"> |
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<enum>QLineEdit::Password</enum> |
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</property> |
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</widget> |
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</item> |
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<item row="3" column="0"> |
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<widget class="QLabel" name="passLabel3"> |
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<property name="text"> |
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<string>Repeat new passphrase</string> |
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</property> |
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</widget> |
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</item> |
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<item row="3" column="1"> |
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<widget class="QLineEdit" name="passEdit3"> |
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<property name="echoMode"> |
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<enum>QLineEdit::Password</enum> |
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</property> |
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</widget> |
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</item> |
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</layout> |
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</item> |
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<item> |
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<spacer name="verticalSpacer"> |
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<property name="orientation"> |
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<enum>Qt::Vertical</enum> |
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</property> |
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<property name="sizeHint" stdset="0"> |
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<size> |
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<width>20</width> |
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<height>40</height> |
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</size> |
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</property> |
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</spacer> |
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</item> |
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<item> |
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<widget class="QDialogButtonBox" name="buttonBox"> |
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<property name="orientation"> |
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<enum>Qt::Horizontal</enum> |
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</property> |
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<property name="standardButtons"> |
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<set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set> |
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</property> |
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</widget> |
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</item> |
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</layout> |
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</widget> |
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<resources/> |
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<connections> |
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<connection> |
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<sender>buttonBox</sender> |
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<signal>accepted()</signal> |
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<receiver>AskPassphraseDialog</receiver> |
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<slot>accept()</slot> |
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<hints> |
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<hint type="sourcelabel"> |
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<x>248</x> |
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<y>254</y> |
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</hint> |
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<hint type="destinationlabel"> |
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<x>157</x> |
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<y>274</y> |
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</hint> |
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</hints> |
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</connection> |
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<connection> |
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<sender>buttonBox</sender> |
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<signal>rejected()</signal> |
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<receiver>AskPassphraseDialog</receiver> |
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<slot>reject()</slot> |
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<hints> |
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<hint type="sourcelabel"> |
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<x>316</x> |
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<y>260</y> |
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</hint> |
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<hint type="destinationlabel"> |
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<x>286</x> |
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<y>274</y> |
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</hint> |
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</hints> |
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</connection> |
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</connections> |
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</ui> |
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After Width: | Height: | Size: 1.2 KiB |
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