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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
// Qt-Security score:significant
#include "qqmldebugpluginmanager_p.h"
#include "qqmldebugconnector_p.h"
#include "qqmldebugservicefactory_p.h"
#include <QtCore/QPluginLoader>
#include <QtCore/QCborArray>
#include <QtCore/QCoreApplication>
#include <QtCore/QDir>
#include <QtCore/QDebug>
#include <QtCore/QDataStream>
#include <private/qcoreapplication_p.h>
#include <private/qqmlengine_p.h>
QT_BEGIN_NAMESPACE
// Connectors. We could add more plugins here, and distinguish by arguments to instance()
Q_QML_DEBUG_PLUGIN_LOADER(QQmlDebugConnector)
// Services
Q_QML_DEBUG_PLUGIN_LOADER(QQmlDebugService)
int QQmlDebugConnector::s_dataStreamVersion = QDataStream::Qt_4_7;
struct QQmlDebugConnectorParams {
QString pluginKey;
QStringList services;
QString arguments;
QQmlDebugConnector *instance;
QQmlDebugConnectorParams() : instance(nullptr)
{
if (qApp) {
QCoreApplicationPrivate *appD =
static_cast<QCoreApplicationPrivate*>(QObjectPrivate::get(qApp));
if (appD)
arguments = appD->qmljs_debug_arguments;
}
}
};
Q_GLOBAL_STATIC(QQmlDebugConnectorParams, qmlDebugConnectorParams)
void QQmlDebugConnector::setPluginKey(const QString &key)
{
QQmlDebugConnectorParams *params = qmlDebugConnectorParams();
if (params && params->pluginKey != key) {
if (params->instance)
qWarning() << "QML debugger: Cannot set plugin key after loading the plugin.";
else
params->pluginKey = key;
}
}
void QQmlDebugConnector::setServices(const QStringList &services)
{
QQmlDebugConnectorParams *params = qmlDebugConnectorParams();
if (params)
params->services = services;
}
QString QQmlDebugConnector::commandLineArguments()
{
QQmlDebugConnectorParams *params = qmlDebugConnectorParams();
if (!params)
return QString();
return params->arguments;
}
QQmlDebugConnector *QQmlDebugConnector::instance()
{
QQmlDebugConnectorParams *params = qmlDebugConnectorParams();
if (!params)
return nullptr;
if (!QQmlEnginePrivate::qml_debugging_enabled.load(std::memory_order_relaxed)) {
if (!params->arguments.isEmpty()) {
qWarning().noquote() << QString::fromLatin1(
"QML Debugger: Ignoring \"-qmljsdebugger=%1\". Debugging "
"has not been enabled.").arg(params->arguments);
params->arguments.clear();
}
return nullptr;
}
if (!params->instance) {
if (!params->pluginKey.isEmpty()) {
params->instance = loadQQmlDebugConnector(params->pluginKey);
} else if (params->arguments.isEmpty()) {
return nullptr; // no explicit class name given and no command line arguments
} else if (params->arguments.startsWith(QLatin1String("connector:"))) {
static const int connectorBegin = int(strlen("connector:"));
int connectorEnd = params->arguments.indexOf(QLatin1Char(','), connectorBegin);
if (connectorEnd == -1)
connectorEnd = params->arguments.size();
params->instance = loadQQmlDebugConnector(params->arguments.mid(
connectorBegin,
connectorEnd - connectorBegin));
} else {
params->instance = loadQQmlDebugConnector(
params->arguments.startsWith(QLatin1String("native")) ?
QStringLiteral("QQmlNativeDebugConnector") :
QStringLiteral("QQmlDebugServer"));
}
if (params->instance) {
const auto metaData = metaDataForQQmlDebugService();
for (const QPluginParsedMetaData &md : metaData) {
const auto keys = md.value(QtPluginMetaDataKeys::MetaData).toMap()
.value(QLatin1String("Keys")).toArray();
for (const QCborValue &key : keys) {
QString keyString = key.toString();
if (params->services.isEmpty() || params->services.contains(keyString))
loadQQmlDebugService(keyString);
}
}
}
}
return params->instance;
}
QQmlDebugConnectorFactory::~QQmlDebugConnectorFactory()
{
// This is triggered when the plugin is unloaded.
QQmlDebugConnectorParams *params = qmlDebugConnectorParams();
if (params) {
params->pluginKey.clear();
params->arguments.clear();
params->services.clear();
delete params->instance;
params->instance = nullptr;
}
}
QT_END_NAMESPACE
#include "moc_qqmldebugconnector_p.cpp"