kdeconnect-kde/core/backends/lan/lanpairinghandler.cpp
2020-08-17 09:48:10 +00:00

129 lines
3.6 KiB
C++

/**
* SPDX-FileCopyrightText: 2015 Vineet Garg <grg.vineet@gmail.com>
*
* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
*/
#include "lanpairinghandler.h"
#include <KLocalizedString>
#include "core_debug.h"
#include "daemon.h"
#include "kdeconnectconfig.h"
#include "landevicelink.h"
#include "networkpackettypes.h"
LanPairingHandler::LanPairingHandler(DeviceLink* deviceLink)
: PairingHandler(deviceLink)
, m_status(NotPaired)
{
m_pairingTimeout.setSingleShot(true);
m_pairingTimeout.setInterval(pairingTimeoutMsec());
connect(&m_pairingTimeout, &QTimer::timeout, this, &LanPairingHandler::pairingTimeout);
}
void LanPairingHandler::packetReceived(const NetworkPacket& np)
{
bool wantsPair = np.get<bool>(QStringLiteral("pair"));
if (wantsPair) {
if (isPairRequested()) { //We started pairing
qCDebug(KDECONNECT_CORE) << "Pair answer";
setInternalPairStatus(Paired);
} else {
qCDebug(KDECONNECT_CORE) << "Pair request";
if (isPaired()) { //I'm already paired, but they think I'm not
acceptPairing();
return;
}
setInternalPairStatus(RequestedByPeer);
}
} else { //wantsPair == false
qCDebug(KDECONNECT_CORE) << "Unpair request";
if (isPairRequested()) {
Q_EMIT pairingError(i18n("Canceled by other peer"));
}
setInternalPairStatus(NotPaired);
}
}
bool LanPairingHandler::requestPairing()
{
if (m_status == Paired) {
Q_EMIT pairingError(i18n("%1: Already paired", deviceLink()->name()));
return false;
}
if (m_status == RequestedByPeer) {
qCDebug(KDECONNECT_CORE) << deviceLink()->name() << ": Pairing already started by the other end, accepting their request.";
return acceptPairing();
}
NetworkPacket np(PACKET_TYPE_PAIR, {{QStringLiteral("pair"), true}});
const bool success = deviceLink()->sendPacket(np);
if (success) {
setInternalPairStatus(Requested);
}
return success;
}
bool LanPairingHandler::acceptPairing()
{
NetworkPacket np(PACKET_TYPE_PAIR, {{QStringLiteral("pair"), true}});
bool success = deviceLink()->sendPacket(np);
if (success) {
setInternalPairStatus(Paired);
}
return success;
}
void LanPairingHandler::rejectPairing()
{
NetworkPacket np(PACKET_TYPE_PAIR, {{QStringLiteral("pair"), false}});
deviceLink()->sendPacket(np);
setInternalPairStatus(NotPaired);
}
void LanPairingHandler::unpair() {
NetworkPacket np(PACKET_TYPE_PAIR, {{QStringLiteral("pair"), false}});
deviceLink()->sendPacket(np);
setInternalPairStatus(NotPaired);
}
void LanPairingHandler::pairingTimeout()
{
NetworkPacket np(PACKET_TYPE_PAIR, {{QStringLiteral("pair"), false}});
deviceLink()->sendPacket(np);
setInternalPairStatus(NotPaired); //Will emit the change as well
Q_EMIT pairingError(i18n("Timed out"));
}
void LanPairingHandler::setInternalPairStatus(LanPairingHandler::InternalPairStatus status)
{
if (status == Requested || status == RequestedByPeer) {
m_pairingTimeout.start();
} else {
m_pairingTimeout.stop();
}
if (m_status == RequestedByPeer && (status == NotPaired || status == Paired)) {
Q_EMIT deviceLink()->pairingRequestExpired(this);
} else if (status == RequestedByPeer) {
Q_EMIT deviceLink()->pairingRequest(this);
}
m_status = status;
if (status == Paired) {
deviceLink()->setPairStatus(DeviceLink::Paired);
} else {
deviceLink()->setPairStatus(DeviceLink::NotPaired);
}
}