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// SPDX-FileCopyrightText: 2019 Alexey Andreyev <aa13q@ya.ru>
// SPDX-FileCopyrightText: 2019 Kitsune Ral <Kitsune-Ral@users.sf.net>
// SPDX-FileCopyrightText: 2021 Carl Schwan <carlschwan@kde.org>
// SPDX-License-Identifier: LGPL-2.1-or-later
#pragma once
#include "converters.h"
#include "expected.h"
#include "qolmerrors.h"
#include <QtCore/QMetaType>
#include <variant>
namespace Quotient {
constexpr auto CiphertextKeyL = "ciphertext"_ls;
constexpr auto SenderKeyKeyL = "sender_key"_ls;
constexpr auto DeviceIdKeyL = "device_id"_ls;
constexpr auto SessionIdKeyL = "session_id"_ls;
constexpr auto AlgorithmKeyL = "algorithm"_ls;
constexpr auto RotationPeriodMsKeyL = "rotation_period_ms"_ls;
constexpr auto RotationPeriodMsgsKeyL = "rotation_period_msgs"_ls;
constexpr auto AlgorithmKey = "algorithm"_ls;
constexpr auto RotationPeriodMsKey = "rotation_period_ms"_ls;
constexpr auto RotationPeriodMsgsKey = "rotation_period_msgs"_ls;
constexpr auto Ed25519Key = "ed25519"_ls;
constexpr auto Curve25519Key = "curve25519"_ls;
constexpr auto SignedCurve25519Key = "signed_curve25519"_ls;
constexpr auto OlmV1Curve25519AesSha2AlgoKey = "m.olm.v1.curve25519-aes-sha2"_ls;
constexpr auto MegolmV1AesSha2AlgoKey = "m.megolm.v1.aes-sha2"_ls;
inline bool isSupportedAlgorithm(const QString& algorithm)
{
static constexpr std::array SupportedAlgorithms {
OlmV1Curve25519AesSha2AlgoKey, MegolmV1AesSha2AlgoKey
};
return std::find(SupportedAlgorithms.cbegin(), SupportedAlgorithms.cend(),
algorithm)
!= SupportedAlgorithms.cend();
}
struct Unencrypted {};
struct Encrypted {
QByteArray key;
};
using PicklingMode = std::variant<Unencrypted, Encrypted>;
class QOlmSession;
using QOlmSessionPtr = std::unique_ptr<QOlmSession>;
class QOlmInboundGroupSession;
using QOlmInboundGroupSessionPtr = std::unique_ptr<QOlmInboundGroupSession>;
class QOlmOutboundGroupSession;
using QOlmOutboundGroupSessionPtr = std::unique_ptr<QOlmOutboundGroupSession>;
template <typename T>
using QOlmExpected = Expected<T, QOlmError>;
struct IdentityKeys
{
QByteArray curve25519;
QByteArray ed25519;
};
//! Struct representing the one-time keys.
struct UnsignedOneTimeKeys
{
QHash<QString, QHash<QString, QString>> keys;
//! Get the HashMap containing the curve25519 one-time keys.
QHash<QString, QString> curve25519() const { return keys[Curve25519Key]; }
};
//! Struct representing the signed one-time keys.
class SignedOneTimeKey
{
public:
//! Required. The unpadded Base64-encoded 32-byte Curve25519 public key.
QString key;
//! Required. Signatures of the key object.
//! The signature is calculated using the process described at Signing JSON.
QHash<QString, QHash<QString, QString>> signatures;
};
template <>
struct JsonObjectConverter<SignedOneTimeKey> {
static void fillFrom(const QJsonObject& jo, SignedOneTimeKey& result)
{
fromJson(jo.value("key"_ls), result.key);
fromJson(jo.value("signatures"_ls), result.signatures);
}
static void dumpTo(QJsonObject &jo, const SignedOneTimeKey &result)
{
addParam<>(jo, QStringLiteral("key"), result.key);
addParam<>(jo, QStringLiteral("signatures"), result.signatures);
}
};
using OneTimeKeys = QHash<QString, std::variant<QString, SignedOneTimeKey>>;
template <typename T>
class asKeyValueRange
{
public:
asKeyValueRange(T& data)
: m_data { data }
{}
auto begin() { return m_data.keyValueBegin(); }
auto end() { return m_data.keyValueEnd(); }
private:
T &m_data;
};
template <typename T>
asKeyValueRange(T&) -> asKeyValueRange<T>;
} // namespace Quotient
Q_DECLARE_METATYPE(Quotient::SignedOneTimeKey)
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