diff options
Diffstat (limited to 'src/browser/NativeMessagingHost.cpp')
| -rwxr-xr-x | src/browser/NativeMessagingHost.cpp | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/src/browser/NativeMessagingHost.cpp b/src/browser/NativeMessagingHost.cpp new file mode 100755 index 000000000..4dfa87d51 --- /dev/null +++ b/src/browser/NativeMessagingHost.cpp @@ -0,0 +1,208 @@ +/* +* Copyright (C) 2017 Sami Vänttinen <sami.vanttinen@protonmail.com> +* 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 <QMutexLocker> +#include <QtNetwork> +#include <iostream> +#include "sodium.h" +#include "NativeMessagingHost.h" +#include "BrowserSettings.h" + +NativeMessagingHost::NativeMessagingHost(DatabaseTabWidget* parent) : + NativeMessagingBase(), + m_mutex(QMutex::Recursive), + m_browserClients(m_browserService), + m_browserService(parent) +{ + m_localServer.reset(new QLocalServer(this)); + m_localServer->setSocketOptions(QLocalServer::UserAccessOption); + m_running.store(false); + + if (BrowserSettings::isEnabled() && !m_running) { + run(); + } + + connect(&m_browserService, SIGNAL(databaseLocked()), this, SLOT(databaseLocked())); + connect(&m_browserService, SIGNAL(databaseUnlocked()), this, SLOT(databaseUnlocked())); +} + +NativeMessagingHost::~NativeMessagingHost() +{ + stop(); +} + +int NativeMessagingHost::init() +{ + QMutexLocker locker(&m_mutex); + return sodium_init(); +} + +void NativeMessagingHost::run() +{ + QMutexLocker locker(&m_mutex); + if (!m_running.load() && init() == -1) { + return; + } + + // Update KeePassXC/keepassxc-proxy binary paths to Native Messaging scripts + if (BrowserSettings::updateBinaryPath()) { + BrowserSettings::updateBinaryPaths(BrowserSettings::useCustomProxy() ? BrowserSettings::customProxyLocation() : ""); + } + + m_running.store(true); +#ifdef Q_OS_WIN + m_future = QtConcurrent::run(this, static_cast<void(NativeMessagingHost::*)()>(&NativeMessagingHost::readNativeMessages)); +#endif + + if (BrowserSettings::supportBrowserProxy()) { + QString serverPath = getLocalServerPath(); + QFile::remove(serverPath); + + if (m_localServer->isListening()) { + m_localServer->close(); + } + + m_localServer->listen(serverPath); + connect(m_localServer.data(), SIGNAL(newConnection()), this, SLOT(newLocalConnection())); + } else { + m_localServer->close(); + } +} + +void NativeMessagingHost::stop() +{ + databaseLocked(); + QMutexLocker locker(&m_mutex); + m_socketList.clear(); + m_running.testAndSetOrdered(true, false); + m_future.waitForFinished(); + m_localServer->close(); +} + +void NativeMessagingHost::readLength() +{ + quint32 length = 0; + std::cin.read(reinterpret_cast<char*>(&length), 4); + if (!std::cin.eof() && length > 0) { + readStdIn(length); + } else { + m_notifier->setEnabled(false); + } +} + +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) { + QMutexLocker locker(&m_mutex); + sendReply(m_browserClients.readResponse(arr)); + } + } +} + +void NativeMessagingHost::newLocalConnection() +{ + QLocalSocket* socket = m_localServer->nextPendingConnection(); + if (socket) { + connect(socket, SIGNAL(readyRead()), this, SLOT(newLocalMessage())); + connect(socket, SIGNAL(disconnected()), this, SLOT(disconnectSocket())); + } +} + +void NativeMessagingHost::newLocalMessage() +{ + QLocalSocket* socket = qobject_cast<QLocalSocket*>(QObject::sender()); + + if (!socket || socket->bytesAvailable() <= 0) { + return; + } + + QByteArray arr = socket->readAll(); + if (arr.isEmpty()) { + return; + } + + QMutexLocker locker(&m_mutex); + if (!m_socketList.contains(socket)) { + m_socketList.push_back(socket); + } + + QString reply = jsonToString(m_browserClients.readResponse(arr)); + if (socket && socket->isValid() && socket->state() == QLocalSocket::ConnectedState) { + QByteArray arr = reply.toUtf8(); + socket->write(arr.constData(), arr.length()); + socket->flush(); + } +} + +void NativeMessagingHost::sendReplyToAllClients(const QJsonObject& json) +{ + QString reply = jsonToString(json); + QMutexLocker locker(&m_mutex); + for (const auto socket : m_socketList) { + if (socket && socket->isValid() && socket->state() == QLocalSocket::ConnectedState) { + QByteArray arr = reply.toUtf8(); + socket->write(arr.constData(), arr.length()); + socket->flush(); + } + } +} + +void NativeMessagingHost::disconnectSocket() +{ + QLocalSocket* socket(qobject_cast<QLocalSocket*>(QObject::sender())); + QMutexLocker locker(&m_mutex); + for (auto s : m_socketList) { + if (s == socket) { + m_socketList.removeOne(s); + } + } +} + +void NativeMessagingHost::removeSharedEncryptionKeys() +{ + QMutexLocker locker(&m_mutex); + m_browserService.removeSharedEncryptionKeys(); +} + +void NativeMessagingHost::removeStoredPermissions() +{ + QMutexLocker locker(&m_mutex); + m_browserService.removeStoredPermissions(); +} + +void NativeMessagingHost::databaseLocked() +{ + QJsonObject response; + response["action"] = "database-locked"; + sendReplyToAllClients(response); +} + +void NativeMessagingHost::databaseUnlocked() +{ + QJsonObject response; + response["action"] = "database-unlocked"; + sendReplyToAllClients(response); +} |