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// SPDX-FileCopyrightText: 2019 Alexey Andreyev <aa13q@ya.ru>
// SPDX-License-Identifier: LGPL-2.1-or-later
#include "encryptedevent.h"
#include "e2ee/e2ee.h"
#include "logging.h"
using namespace Quotient;
EncryptedEvent::EncryptedEvent(const QJsonObject& ciphertexts,
const QString& senderKey)
: RoomEvent({ { AlgorithmKeyL, OlmV1Curve25519AesSha2AlgoKey },
{ CiphertextKeyL, ciphertexts },
{ SenderKeyKeyL, senderKey } })
{}
EncryptedEvent::EncryptedEvent(const QByteArray& ciphertext,
const QString& senderKey,
const QString& deviceId, const QString& sessionId)
: RoomEvent({
{ AlgorithmKeyL, MegolmV1AesSha2AlgoKey },
{ CiphertextKeyL, QString(ciphertext) },
{ DeviceIdKeyL, deviceId },
{ SenderKeyKeyL, senderKey },
{ SessionIdKeyL, sessionId },
})
{}
EncryptedEvent::EncryptedEvent(const QJsonObject& obj)
: RoomEvent(obj)
{
qCDebug(E2EE) << "Encrypted event from" << senderId();
}
QString EncryptedEvent::algorithm() const
{
const auto algo = contentPart<QString>(AlgorithmKeyL);
if (!isSupportedAlgorithm(algo))
qWarning(MAIN) << "The EncryptedEvent's algorithm" << algo
<< "is not supported";
return algo;
}
RoomEventPtr EncryptedEvent::createDecrypted(const QString &decrypted) const
{
auto eventObject = QJsonDocument::fromJson(decrypted.toUtf8()).object();
eventObject["event_id"] = id();
eventObject["sender"] = senderId();
eventObject["origin_server_ts"] = originTimestamp().toMSecsSinceEpoch();
if (const auto relatesToJson = contentPart<QJsonObject>("m.relates_to"_ls);
!relatesToJson.isEmpty()) {
auto content = eventObject["content"].toObject();
content["m.relates_to"] = relatesToJson;
eventObject["content"] = content;
}
if (const auto redactsJson = unsignedPart<QString>("redacts"_ls);
!redactsJson.isEmpty()) {
auto unsign = eventObject["unsigned"].toObject();
unsign["redacts"] = redactsJson;
eventObject["unsigned"] = unsign;
}
return loadEvent<RoomEvent>(eventObject);
}
void EncryptedEvent::setRelation(const QJsonObject& relation)
{
auto content = contentJson();
content["m.relates_to"] = relation;
editJson()["content"] = content;
}
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