overte/interface/src/commerce/Wallet.h
2017-10-04 11:05:17 -07:00

76 lines
2.3 KiB
C++

//
// Wallet.h
// interface/src/commerce
//
// API for secure keypair management
//
// Created by Howard Stearns on 8/4/17.
// Copyright 2017 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
#ifndef hifi_Wallet_h
#define hifi_Wallet_h
#include <DependencyManager.h>
#include <Node.h>
#include <ReceivedMessage.h>
#include <QPixmap>
class Wallet : public QObject, public Dependency {
Q_OBJECT
SINGLETON_DEPENDENCY
public:
Wallet();
~Wallet();
// These are currently blocking calls, although they might take a moment.
bool generateKeyPair();
QStringList listPublicKeys();
QString signWithKey(const QByteArray& text, const QString& key);
void chooseSecurityImage(const QString& imageFile);
bool getSecurityImage();
QString getKeyFilePath();
void setSalt(const QByteArray& salt) { _salt = salt; }
QByteArray getSalt() { return _salt; }
void setIv(const QByteArray& iv) { _iv = iv; }
QByteArray getIv() { return _iv; }
void setCKey(const QByteArray& ckey) { _ckey = ckey; }
QByteArray getCKey() { return _ckey; }
bool setPassphrase(const QString& passphrase);
QString* getPassphrase() { return _passphrase; }
bool getPassphraseIsCached() { return !(_passphrase->isEmpty()); }
bool walletIsAuthenticatedWithPassphrase();
bool changePassphrase(const QString& newPassphrase);
void reset();
signals:
void securityImageResult(bool exists);
void keyFilePathIfExistsResult(const QString& path);
private slots:
void handleChallengeOwnershipPacket(QSharedPointer<ReceivedMessage> packet, SharedNodePointer sendingNode);
private:
QStringList _publicKeys{};
QPixmap* _securityImage { nullptr };
QByteArray _salt;
QByteArray _iv;
QByteArray _ckey;
QString* _passphrase { new QString("") };
bool writeWallet(const QString& newPassphrase = QString(""));
void updateImageProvider();
bool writeSecurityImage(const QPixmap* pixmap, const QString& outputFilePath);
bool readSecurityImage(const QString& inputFilePath, unsigned char** outputBufferPtr, int* outputBufferLen);
bool verifyOwnerChallenge(const QByteArray& encryptedText, const QString& publicKey, QString& decryptedText);
};
#endif // hifi_Wallet_h