passwordmanager.h

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/* ============================================================
* Falkon - Qt web browser
* Copyright (C) 2013-2018 David Rosca <nowrep@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program.  If not, see <http://www.gnu.org/licenses/>.
* ============================================================ */
#ifndef PASSWORDMANAGER_H
#define PASSWORDMANAGER_H
 
#include <QObject>
#include <QUrl>
#include <QVariant>
 
#include "qzcommon.h"
 
class PasswordBackend;
class DatabasePasswordBackend;
class DatabaseEncryptedPasswordBackend;
 
struct FALKON_EXPORT PasswordEntry {
    QVariant id;
    QString host;
    QString username;
    QString password;
    QByteArray data;
    int updated;
 
    PasswordEntry() : updated(-1) { }
 
    bool isValid() const {
        return !password.isEmpty() && !host.isEmpty();
    }
 
    bool operator==(const PasswordEntry &other) const {
        return id == other.id;
    }
 
    bool operator<(const PasswordEntry &other) const {
        return updated > other.updated;
    }
 
    friend FALKON_EXPORT QDataStream &operator<<(QDataStream &stream, const PasswordEntry &entry);
    friend FALKON_EXPORT QDataStream &operator>>(QDataStream &stream, PasswordEntry &entry);
};
 
class FALKON_EXPORT PasswordManager : public QObject
{
    Q_OBJECT
public:
    explicit PasswordManager(QObject* parent = nullptr);
    ~PasswordManager();
 
    void loadSettings();
 
    QStringList getUsernames(const QUrl &url);
    QVector<PasswordEntry> getEntries(const QUrl &url);
    QVector<PasswordEntry> getAllEntries();
 
    void addEntry(const PasswordEntry &entry);
    bool updateEntry(const PasswordEntry &entry);
    void updateLastUsed(PasswordEntry &entry);
 
    void removeEntry(const PasswordEntry &entry);
    void removeAllEntries();
 
    QHash<QString, PasswordBackend*> availableBackends();
    PasswordBackend* activeBackend();
    void switchBackend(const QString &backendID);
 
    bool registerBackend(const QString &id, PasswordBackend* backend);
    void unregisterBackend(PasswordBackend* backend);
 
    static QString createHost(const QUrl &url);
    static QByteArray urlEncodePassword(const QString &password);
 
private:
    void ensureLoaded();
 
    bool m_loaded;
 
    PasswordBackend* m_backend;
    DatabasePasswordBackend* m_databaseBackend;
    DatabaseEncryptedPasswordBackend* m_databaseEncryptedBackend;
 
    QHash<QString, PasswordBackend*> m_backends;
 
Q_SIGNALS:
    void passwordBackendChanged();
};
 
// Hint to QVector to use std::realloc on item moving
Q_DECLARE_TYPEINFO(PasswordEntry, Q_MOVABLE_TYPE);
 
Q_DECLARE_METATYPE(PasswordEntry)
 
#endif // PASSWORDMANAGER_H