keepassxc/src/proxy/NativeMessagingProxy.cpp
smlu 0c6587b5b7 Add support for Microsoft Visual Studio buildchain
* Use C++17 when using MSVC compiler
* Remove unneeded header files and macros
* Removed unnecessary Yubikey cmake file
* Enhance release tool
* Updated INSTALL.md
2021-09-19 17:16:45 -04:00

124 lines
3.6 KiB
C++

/*
* Copyright (C) 2020 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 "NativeMessagingProxy.h"
#include "browser/BrowserShared.h"
#include <QCoreApplication>
#include <QFuture>
#include <QtConcurrent/qtconcurrentrun.h>
#include <iostream>
#ifdef Q_OS_WIN
#include <fcntl.h>
#include <io.h>
#include <winsock2.h>
#else
#include <sys/socket.h>
#endif
NativeMessagingProxy::NativeMessagingProxy()
: QObject()
{
connect(this,
&NativeMessagingProxy::stdinMessage,
this,
&NativeMessagingProxy::transferStdinMessage,
Qt::QueuedConnection);
setupStandardInput();
setupLocalSocket();
}
void NativeMessagingProxy::setupStandardInput()
{
#ifdef Q_OS_WIN
#ifdef Q_CC_MSVC
_setmode(_fileno(stdin), _O_BINARY);
_setmode(_fileno(stdout), _O_BINARY);
#else
setmode(fileno(stdin), _O_BINARY);
setmode(fileno(stdout), _O_BINARY);
#endif
#endif
QtConcurrent::run([this] {
while (std::cin.good()) {
if (std::cin.peek() != EOF) {
uint length = 0;
for (uint i = 0; i < sizeof(uint); ++i) {
length |= getchar() << (i * 8);
}
QString msg;
msg.reserve(length);
for (uint i = 0; i < length; ++i) {
msg.append(getchar());
}
if (msg.length() > 0) {
emit stdinMessage(msg);
}
}
QThread::msleep(100);
}
QCoreApplication::quit();
});
}
void NativeMessagingProxy::transferStdinMessage(const QString& msg)
{
if (m_localSocket && m_localSocket->state() == QLocalSocket::ConnectedState) {
m_localSocket->write(msg.toUtf8(), msg.length());
m_localSocket->flush();
}
}
void NativeMessagingProxy::setupLocalSocket()
{
m_localSocket.reset(new QLocalSocket());
m_localSocket->connectToServer(BrowserShared::localServerPath());
m_localSocket->setReadBufferSize(BrowserShared::NATIVEMSG_MAX_LENGTH);
int socketDesc = m_localSocket->socketDescriptor();
if (socketDesc) {
int max = BrowserShared::NATIVEMSG_MAX_LENGTH;
setsockopt(socketDesc, SOL_SOCKET, SO_SNDBUF, reinterpret_cast<char*>(&max), sizeof(max));
}
connect(m_localSocket.data(), SIGNAL(readyRead()), this, SLOT(transferSocketMessage()));
connect(m_localSocket.data(), SIGNAL(disconnected()), this, SLOT(socketDisconnected()));
}
void NativeMessagingProxy::transferSocketMessage()
{
auto msg = m_localSocket->readAll();
if (!msg.isEmpty()) {
// Explicitly write the message length as 1 byte chunks
uint len = msg.size();
std::cout.write(reinterpret_cast<char*>(&len), sizeof(len));
// Write the message and flush the stream
std::cout << msg.toStdString() << std::flush;
}
}
void NativeMessagingProxy::socketDisconnected()
{
// Shutdown the proxy when disconnected from the application
QCoreApplication::quit();
}