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/*
* Copyright (C) 2017 KeePassXC Team <team@keepassxc.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <QCoreApplication>
#include "NativeMessagingHost.h"
NativeMessagingHost::NativeMessagingHost() : NativeMessagingBase()
{
m_localSocket = new QLocalSocket();
m_localSocket->connectToServer(getLocalServerPath());
#ifdef Q_OS_WIN
m_running.store(true);
m_future = QtConcurrent::run(this, static_cast<void(NativeMessagingHost::*)()>(&NativeMessagingHost::readNativeMessages));
#endif
connect(m_localSocket, SIGNAL(readyRead()), this, SLOT(newLocalMessage()));
connect(m_localSocket, SIGNAL(disconnected()), this, SLOT(deleteSocket()));
connect(m_localSocket, SIGNAL(stateChanged(QLocalSocket::LocalSocketState)), this, SLOT(socketStateChanged(QLocalSocket::LocalSocketState)));
}
NativeMessagingHost::~NativeMessagingHost()
{
#ifdef Q_OS_WIN
m_future.waitForFinished();
#endif
}
void NativeMessagingHost::readLength()
{
quint32 length = 0;
std::cin.read(reinterpret_cast<char*>(&length), 4);
if (!std::cin.eof() && length > 0) {
readStdIn(length);
} else {
QCoreApplication::quit();
}
}
void NativeMessagingHost::readStdIn(const quint32 length)
{
if (length > 0) {
QByteArray arr;
arr.reserve(length);
for (quint32 i = 0; i < length; ++i) {
arr.append(getchar());
}
if (arr.length() > 0 && m_localSocket && m_localSocket->state() == QLocalSocket::ConnectedState) {
m_localSocket->write(arr.constData(), arr.length());
m_localSocket->flush();
}
}
}
void NativeMessagingHost::newLocalMessage()
{
if (!m_localSocket || m_localSocket->bytesAvailable() <= 0) {
return;
}
QByteArray arr = m_localSocket->readAll();
if (!arr.isEmpty()) {
sendReply(arr);
}
}
void NativeMessagingHost::deleteSocket()
{
if (m_notifier) {
m_notifier->setEnabled(false);
}
m_localSocket->deleteLater();
QCoreApplication::quit();
}
void NativeMessagingHost::socketStateChanged(QLocalSocket::LocalSocketState socketState)
{
if (socketState == QLocalSocket::UnconnectedState || socketState == QLocalSocket::ClosingState) {
m_running.testAndSetOrdered(true, false);
}
}
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