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Optionally allow AskPassphraseDialog to output the passphrase

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This commit is contained in:
Andrew Chow 2019-05-24 15:14:54 -04:00
parent bc6d8a3662
commit 60adb21c7a
2 changed files with 33 additions and 20 deletions
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48
src/qt/askpassphrasedialog.cpp
View File

@ -18,12 +18,13 @@
#include <QMessageBox> #include <QMessageBox>
#include <QPushButton> #include <QPushButton>
AskPassphraseDialog::AskPassphraseDialog(Mode _mode, QWidget *parent) : AskPassphraseDialog::AskPassphraseDialog(Mode _mode, QWidget *parent, SecureString* passphrase_out) :
QDialog(parent), QDialog(parent),
ui(new Ui::AskPassphraseDialog), ui(new Ui::AskPassphraseDialog),
mode(_mode), mode(_mode),
model(nullptr), model(nullptr),
fCapsLock(false) fCapsLock(false),
m_passphrase_out(passphrase_out)
{ {
ui->setupUi(this); ui->setupUi(this);
@ -90,7 +91,7 @@ void AskPassphraseDialog::setModel(WalletModel *_model)
void AskPassphraseDialog::accept() void AskPassphraseDialog::accept()
{ {
SecureString oldpass, newpass1, newpass2; SecureString oldpass, newpass1, newpass2;
if(!model) if (!model && mode != Encrypt)
return; return;
oldpass.reserve(MAX_PASSPHRASE_SIZE); oldpass.reserve(MAX_PASSPHRASE_SIZE);
newpass1.reserve(MAX_PASSPHRASE_SIZE); newpass1.reserve(MAX_PASSPHRASE_SIZE);
@ -119,24 +120,33 @@ void AskPassphraseDialog::accept()
{ {
if(newpass1 == newpass2) if(newpass1 == newpass2)
{ {
if(model->setWalletEncrypted(true, newpass1)) QString encryption_reminder = tr("Remember that encrypting your wallet cannot fully protect "
{ "your bitcoins from being stolen by malware infecting your computer.");
QMessageBox::warning(this, tr("Wallet encrypted"), if (m_passphrase_out) {
m_passphrase_out->assign(newpass1);
QMessageBox::warning(this, tr("Wallet to be encrypted"),
"<qt>" + "<qt>" +
tr("Your wallet is now encrypted. " tr("Your wallet is about to be encrypted. ") + encryption_reminder +
"Remember that encrypting your wallet cannot fully protect "
"your bitcoins 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>"); "</b></qt>");
} } else {
else assert(model != nullptr);
{ if(model->setWalletEncrypted(true, newpass1))
QMessageBox::critical(this, tr("Wallet encryption failed"), {
tr("Wallet encryption failed due to an internal error. Your wallet was not encrypted.")); QMessageBox::warning(this, tr("Wallet encrypted"),
"<qt>" +
tr("Your wallet is now encrypted. ") + encryption_reminder +
"<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>");
}
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 QDialog::accept(); // Success
} }

5
src/qt/askpassphrasedialog.h
View File

@ -7,6 +7,8 @@
#include <QDialog> #include <QDialog>
#include <support/allocators/secure.h>
class WalletModel; class WalletModel;
namespace Ui { namespace Ui {
@ -27,7 +29,7 @@ public:
Decrypt /**< Ask passphrase and decrypt wallet */ Decrypt /**< Ask passphrase and decrypt wallet */
}; };
explicit AskPassphraseDialog(Mode mode, QWidget *parent); explicit AskPassphraseDialog(Mode mode, QWidget *parent, SecureString* passphrase_out = nullptr);
~AskPassphraseDialog(); ~AskPassphraseDialog();
void accept(); void accept();
@ -39,6 +41,7 @@ private:
Mode mode; Mode mode;
WalletModel *model; WalletModel *model;
bool fCapsLock; bool fCapsLock;
SecureString* m_passphrase_out;
private Q_SLOTS: private Q_SLOTS:
void textChanged(); void textChanged();