/* * Copyright 2013 Marco Martin * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU Library General Public License as * published by the Free Software Foundation; either version 2, 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 Library General Public * License along with this program; if not, write to the * Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "packageurlinterceptor.h" #include #include #include #include namespace PlasmaQuick { PackageUrlInterceptor::PackageUrlInterceptor(QQmlEngine *engine, const Plasma::Package &p) : QQmlAbstractUrlInterceptor(), m_package(p), m_engine(engine) { m_allowedPaths << m_engine->importPathList(); } PackageUrlInterceptor::~PackageUrlInterceptor() { } void PackageUrlInterceptor::addAllowedPath(const QString &path) { m_allowedPaths << path; } void PackageUrlInterceptor::removeAllowedPath(const QString &path) { m_allowedPaths.removeAll(path); } QStringList PackageUrlInterceptor::allowedPaths() const { return m_allowedPaths; } QUrl PackageUrlInterceptor::intercept(const QUrl &path, QQmlAbstractUrlInterceptor::DataType type) { //qDebug() << "Intercepted URL:" << path << type; if (path.scheme() == QStringLiteral("plasmapackage")) { //FIXME: this is incorrect but works around a bug in qml in resolution of urls of qmldir files if (type == QQmlAbstractUrlInterceptor::QmldirFile) { return QUrl(m_package.filePath(0, path.path())); } else { return QUrl::fromLocalFile(m_package.filePath(0, path.path())); } } //TODO: security: permission for remote urls if (!path.isLocalFile() ) { return path; } //if is just a normal string, no qml file was asked, allow it if (type == QQmlAbstractUrlInterceptor::UrlString) { return path; } //asked a file inside a package: let's rewrite the url! if (path.path().startsWith(m_package.path())) { //qDebug() << "Found URL in package" << path; //tries to isolate the relative path asked relative to the contentsPrefixPath: like ui/foo.qml QString relativePath; foreach (const QString &prefix, m_package.contentsPrefixPaths()) { if (path.path().startsWith(m_package.path()+prefix)) { //obtain a string in the form ui/foo/bar/baz.qml relativePath = path.path().mid(QString(m_package.path()+prefix).length()); break; } } //should never happen Q_ASSERT(!relativePath.isEmpty()); QStringList components = relativePath.split(QLatin1Char('/')); //a path with less than 2 items should ever happen Q_ASSERT(components.count() >= 2); components.pop_front(); //obtain a string in the form foo/bar/baz.qml: ui/ gets discarded const QString &filename = components.join("/"); //qDebug() << "Returning" << QUrl::fromLocalFile(m_package.filePath(prefixForType(type, filename), filename)); return QUrl::fromLocalFile(m_package.filePath(prefixForType(type, filename), filename)); //forbid to load random absolute paths } else { foreach (const QString &allowed, m_allowedPaths) { //It's a private import if (path.path().contains("org/kde/plasma/private")) { QString pathCheck(path.path()); pathCheck = pathCheck.replace(QRegExp(".*org/kde/plasma/private/(.*)/.*"), "org.kde.plasma.\\1"); if (pathCheck == m_package.metadata().pluginName()) { return path; } else { return QUrl("file://" + allowed + "/org/kde/plasma/accessdenied/qmldir"); } } //it's from an allowed, good if (path.path().startsWith(allowed)) { //qDebug() << "Found allowed, access granted" << path; //check if there is a platform specific file that overrides this allowed foreach (const QString &platform, KDeclarative::KDeclarative::runtimePlatform()) { //qDebug() << "Trying" << platform; //search for a platformqml/ path sibling of this allowed path const QString &platformPath = allowed+QStringLiteral("/../platformqml/")+platform+path.path().mid(allowed.length()); const QFile f(platformPath); //qDebug() << "Found a platform specific file:" << QUrl::fromLocalFile(platformPath)<