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// SPDX-FileCopyrightText: 2021 Carl Schwan <carlschwan@kde.org>
//
// SPDX-License-Identifier: LGPL-2.1-or-later
#pragma once
#include "converters.h"
#include <array>
namespace Quotient {
/**
* JSON Web Key object as specified in
* https://spec.matrix.org/unstable/client-server-api/#extensions-to-mroommessage-msgtypes
* The only currently relevant member is `k`, the rest needs to be set to the defaults specified in the spec.
*/
struct JWK
{
Q_GADGET
Q_PROPERTY(QString kty MEMBER kty CONSTANT)
Q_PROPERTY(QStringList keyOps MEMBER keyOps CONSTANT)
Q_PROPERTY(QString alg MEMBER alg CONSTANT)
Q_PROPERTY(QString k MEMBER k CONSTANT)
Q_PROPERTY(bool ext MEMBER ext CONSTANT)
public:
QString kty;
QStringList keyOps;
QString alg;
QString k;
bool ext;
};
struct QUOTIENT_API EncryptedFileMetadata {
Q_GADGET
Q_PROPERTY(QUrl url MEMBER url CONSTANT)
Q_PROPERTY(JWK key MEMBER key CONSTANT)
Q_PROPERTY(QString iv MEMBER iv CONSTANT)
Q_PROPERTY(QHash<QString, QString> hashes MEMBER hashes CONSTANT)
Q_PROPERTY(QString v MEMBER v CONSTANT)
public:
QUrl url;
JWK key;
QString iv;
QHash<QString, QString> hashes;
QString v;
};
QUOTIENT_API std::pair<EncryptedFileMetadata, QByteArray> encryptFile(
const QByteArray& plainText);
QUOTIENT_API QByteArray decryptFile(const QByteArray& ciphertext,
const EncryptedFileMetadata& metadata);
template <>
struct QUOTIENT_API JsonObjectConverter<EncryptedFileMetadata> {
static void dumpTo(QJsonObject& jo, const EncryptedFileMetadata& pod);
static void fillFrom(const QJsonObject& jo, EncryptedFileMetadata& pod);
};
template <>
struct QUOTIENT_API JsonObjectConverter<JWK> {
static void dumpTo(QJsonObject& jo, const JWK& pod);
static void fillFrom(const QJsonObject& jo, JWK& pod);
};
using FileSourceInfo = std::variant<QUrl, EncryptedFileMetadata>;
QUOTIENT_API QUrl getUrlFromSourceInfo(const FileSourceInfo& fsi);
QUOTIENT_API void setUrlInSourceInfo(FileSourceInfo& fsi, const QUrl& newUrl);
// The way FileSourceInfo is stored in JSON requires an extra parameter so
// the original template is not applicable
template <>
void fillJson(QJsonObject&, const FileSourceInfo&) = delete;
//! \brief Export FileSourceInfo to a JSON object
//!
//! Depending on what is stored inside FileSourceInfo, this function will insert
//! - a key-to-string pair where key is taken from jsonKeys[0] and the string
//! is the URL, if FileSourceInfo stores a QUrl;
//! - a key-to-object mapping where key is taken from jsonKeys[1] and the object
//! is the result of converting EncryptedFileMetadata to JSON,
//! if FileSourceInfo stores EncryptedFileMetadata
QUOTIENT_API void fillJson(QJsonObject& jo,
const std::array<QLatin1String, 2>& jsonKeys,
const FileSourceInfo& fsi);
} // namespace Quotient
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