credentialmanager.h

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/*
Sailfin: a Jellyfin client written using Qt
Copyright (C) 2021 Chris Josten
 
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
 
This library 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
Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
*/
 
#ifndef CREDENTIALS_MANAGER_H
#define CREDENTIALS_MANAGER_H
 
#include <QDebug>
#include <QHash>
#include <QObject>
#include <QSettings>
#include <QString>
 
class CredentialsManager : public QObject {
    Q_OBJECT
public:
    virtual void store(const QString &server, const QString &user, const QString &token) {
        Q_UNUSED(server)
        Q_UNUSED(user)
        Q_UNUSED(token)
        Q_UNIMPLEMENTED();
    }
    virtual void get(const QString &server, const QString &user) const {
        Q_UNUSED(server)
        Q_UNUSED(user)
        Q_UNIMPLEMENTED();
    }
 
    virtual void remove(const QString &server, const QString &user) {
        Q_UNUSED(server)
        Q_UNUSED(user)
        Q_UNIMPLEMENTED();
    }
 
    virtual void listServers() const { Q_UNIMPLEMENTED(); }
 
    virtual void listUsers(const QString &server) {
        Q_UNUSED(server)
        Q_UNIMPLEMENTED();
    }
 
    static CredentialsManager *newInstance(QObject *parent = nullptr);
 
    virtual bool isSecure() const { return false; }
 
signals:
    void tokenRetrieved(const QString &server, const QString &user, const QString &token) const;
    void serversListed(const QStringList &servers) const;
    void usersListed(const QString& server, const QStringList &users) const;
 
protected:
    explicit CredentialsManager(QObject *parent = nullptr) : QObject (parent) {}
};
 
class FallbackCredentialsManager : public CredentialsManager {
    Q_OBJECT
public:
    FallbackCredentialsManager(QObject *parent = nullptr);
    void store(const QString &server, const QString &user, const QString &token) override;
    void get(const QString &server, const QString &user) const override;
    void remove(const QString &server, const QString &user) override;
    void listServers() const override;
    void listUsers(const QString &server) override;
    bool isSecure() const override { return false; }
 
private:
    QString urlToGroupName(const QString &url) const;
    QSettings m_settings;
};
 
#endif // CREDENTIAL_MANAGER_H