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// SPDX-FileCopyrightText: Nheko Contributors
//
// SPDX-License-Identifier: GPL-3.0-or-later
#include "VerificationManager.h"
#include <chrono>
#include "Cache.h"
#include "ChatPage.h"
#include "DeviceVerificationFlow.h"
#include "timeline/TimelineViewManager.h"
VerificationManager::VerificationManager(TimelineViewManager *o)
: QObject(o)
, rooms_(o->rooms())
{
instance_ = this;
}
static bool
isValidTime(std::optional<uint64_t> t)
{
if (!t)
return false;
using namespace std::chrono_literals;
std::chrono::time_point<std::chrono::system_clock> time{std::chrono::milliseconds(*t)};
auto diff = std::chrono::system_clock::now() - time;
return diff < 10min && diff > -5min;
}
void
VerificationManager::receivedRoomDeviceVerificationRequest(
const mtx::events::RoomEvent<mtx::events::msg::KeyVerificationRequest> &message,
TimelineModel *model)
{
if (this->isInitialSync_)
return;
if (!isValidTime(message.origin_server_ts))
return;
auto event_id = QString::fromStdString(message.event_id);
if (!this->dvList.contains(event_id)) {
if (auto flow = DeviceVerificationFlow::NewInRoomVerification(
this, model, message.content, QString::fromStdString(message.sender), event_id)) {
dvList[event_id] = flow;
emit newDeviceVerificationRequest(flow.data());
}
}
}
void
VerificationManager::receivedDeviceVerificationRequest(
const mtx::events::msg::KeyVerificationRequest &msg,
std::string sender)
{
if (this->isInitialSync_)
return;
if (!isValidTime(msg.timestamp))
return;
if (!msg.transaction_id)
return;
auto txnid = QString::fromStdString(msg.transaction_id.value());
if (!this->dvList.contains(txnid)) {
if (auto flow = DeviceVerificationFlow::NewToDeviceVerification(
this, msg, QString::fromStdString(sender), txnid)) {
dvList[txnid] = flow;
emit newDeviceVerificationRequest(flow.data());
}
}
}
void
VerificationManager::receivedDeviceVerificationStart(
const mtx::events::msg::KeyVerificationStart &msg,
std::string sender)
{
if (this->isInitialSync_)
return;
// can't do this for start messages sent as to_device...
// if (!isValidTime(msg.timestamp))
// return;
if (!msg.transaction_id)
return;
auto txnid = QString::fromStdString(msg.transaction_id.value());
if (!this->dvList.contains(txnid)) {
if (auto flow = DeviceVerificationFlow::NewToDeviceVerification(
this, msg, QString::fromStdString(sender), txnid)) {
dvList[txnid] = flow;
emit newDeviceVerificationRequest(flow.data());
}
}
}
void
VerificationManager::verifyUser(QString userid)
{
auto joined_rooms = cache::joinedRooms();
auto room_infos = cache::getRoomInfo(joined_rooms);
for (const std::string &room_id : joined_rooms) {
if ((room_infos[QString::fromStdString(room_id)].member_count == 2) &&
cache::isRoomEncrypted(room_id)) {
auto room_members = cache::roomMembers(room_id);
if (std::find(room_members.begin(), room_members.end(), (userid).toStdString()) !=
room_members.end()) {
if (auto model = rooms_->getRoomById(QString::fromStdString(room_id))) {
auto flow =
DeviceVerificationFlow::InitiateUserVerification(this, model.data(), userid);
std::unique_ptr<QObject> context{new QObject(flow.get())};
QObject *pcontext = context.get();
connect(
model.data(),
&TimelineModel::updateFlowEventId,
pcontext,
[this, flow, context = std::move(context)](std::string eventId) mutable {
if (context->parent() == flow.get()) {
dvList[QString::fromStdString(eventId)] = flow;
context.reset();
}
});
emit newDeviceVerificationRequest(flow.data());
return;
}
}
}
}
emit ChatPage::instance()->showNotification(
tr("No encrypted private chat found with this user. Create an "
"encrypted private chat with this user and try again."));
}
void
VerificationManager::removeVerificationFlow(DeviceVerificationFlow *flow)
{
nhlog::crypto()->debug("Removing verification flow {}", (void *)flow);
for (auto it = dvList.keyValueBegin(); it != dvList.keyValueEnd(); ++it) {
if (it->second == flow) {
dvList.remove((*it).first);
return;
}
}
}
void
VerificationManager::verifyDevice(QString userid, QString deviceid)
{
auto flow = DeviceVerificationFlow::InitiateDeviceVerification(this, userid, {deviceid});
this->dvList[flow->transactionId()] = flow;
emit newDeviceVerificationRequest(flow.data());
}
void
VerificationManager::verifyOneOfDevices(QString userid, std::vector<QString> deviceids)
{
auto flow =
DeviceVerificationFlow::InitiateDeviceVerification(this, userid, std::move(deviceids));
this->dvList[flow->transactionId()] = flow;
emit newDeviceVerificationRequest(flow.data());
}
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