QXmppOmemoStorage.h

// SPDX-FileCopyrightText: 2022 Melvin Keskin <melvo@olomono.de>
//
// SPDX-License-Identifier: LGPL-2.1-or-later
 
#ifndef QXMPPOMEMOSTORAGE_H
#define QXMPPOMEMOSTORAGE_H
 
#include "QXmppTask.h"
#include "qxmppomemo_export.h"
 
#include <optional>
 
#include <QDateTime>
#include <QFuture>
 
class QXMPPOMEMO_EXPORT QXmppOmemoStorage
{
public:
    struct OwnDevice {
        uint32_t id = 0;
 
        QString label;
 
        QByteArray privateIdentityKey;
 
        QByteArray publicIdentityKey;
 
        uint32_t latestSignedPreKeyId = 1;
 
        uint32_t latestPreKeyId = 1;
    };
 
    struct Device {
        QString label;
 
        QByteArray keyId;
 
        QByteArray session;
 
        int unrespondedSentStanzasCount = 0;
 
        int unrespondedReceivedStanzasCount = 0;
 
        QDateTime removalFromDeviceListDate;
    };
 
    struct SignedPreKeyPair {
        QDateTime creationDate;
 
        QByteArray data;
    };
 
    struct OmemoData {
        std::optional<OwnDevice> ownDevice;
 
        QHash<uint32_t, SignedPreKeyPair> signedPreKeyPairs;
 
        QHash<uint32_t, QByteArray> preKeyPairs;
 
        QHash<QString, QHash<uint32_t, Device>> devices;
    };
 
    virtual ~QXmppOmemoStorage() = default;
 
    virtual QXmppTask<OmemoData> allData() = 0;
 
    virtual QXmppTask<void> setOwnDevice(const std::optional<OwnDevice> &device) = 0;
 
    virtual QXmppTask<void> addSignedPreKeyPair(uint32_t keyId, const SignedPreKeyPair &keyPair) = 0;
    virtual QXmppTask<void> removeSignedPreKeyPair(uint32_t keyId) = 0;
 
    virtual QXmppTask<void> addPreKeyPairs(const QHash<uint32_t, QByteArray> &keyPairs) = 0;
    virtual QXmppTask<void> removePreKeyPair(uint32_t keyId) = 0;
 
    virtual QXmppTask<void> addDevice(const QString &jid, uint32_t deviceId, const Device &device) = 0;
    virtual QXmppTask<void> removeDevice(const QString &jid, uint32_t deviceId) = 0;
    virtual QXmppTask<void> removeDevices(const QString &jid) = 0;
 
    virtual QXmppTask<void> resetAll() = 0;
};
 
#endif  // QXMPPOMEMOSTORAGE_H