311 lines
8.8 KiB
C++
311 lines
8.8 KiB
C++
/*
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* Copyright 2007-2008 Richard J. Moore <rich@kde.org>
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* Copyright 2009 Aaron J. Seigo <aseigo@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License version 2 as
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* published by the Free Software Foundation
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "scriptenv.h"
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#include <iostream>
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#include <QFile>
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#include <QMetaEnum>
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#include <KDebug>
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#include <KIO/Job>
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#include <KLocale>
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#include <KMimeType>
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#include <KService>
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#include <KShell>
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#include <KStandardDirs>
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#include <KRun>
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#ifdef USEGUI
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#include "simplebindings/filedialogproxy.h"
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#endif
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ScriptEnv::ScriptEnv(QObject *parent)
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: QScriptEngine(parent),
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m_allowedUrls(NoUrls)
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{
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QScriptValue global = globalObject();
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global.setProperty("print", newFunction(ScriptEnv::print));
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global.setProperty("debug", newFunction(ScriptEnv::debug));
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}
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ScriptEnv::~ScriptEnv()
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{
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}
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void ScriptEnv::registerEnums(QScriptValue &scriptValue, const QMetaObject &meta)
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{
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//manually create enum values. ugh
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for (int i = 0; i < meta.enumeratorCount(); ++i) {
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QMetaEnum e = meta.enumerator(i);
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//kDebug() << e.name();
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for (int i=0; i < e.keyCount(); ++i) {
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//kDebug() << e.key(i) << e.value(i);
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scriptValue.setProperty(e.key(i), QScriptValue(this, e.value(i)));
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}
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}
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}
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bool ScriptEnv::include(const QString &path)
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{
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QFile file(path);
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if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
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kWarning() << i18n("Unable to load script file: %1", path);
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return false;
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}
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QString script = file.readAll();
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//kDebug() << "Script says" << script;
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// change the context to the parent context so that the include is actually
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// executed in the same context as the caller; seems to be what javascript
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// coders expect :)
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QScriptContext *ctx = currentContext();
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if (ctx && ctx->parentContext()) {
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ctx->setActivationObject(ctx->parentContext()->activationObject());
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ctx->setThisObject(ctx->parentContext()->thisObject());
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}
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evaluate(script, path);
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if (hasUncaughtException()) {
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emit reportError(this, true);
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return false;
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}
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return true;
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}
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QScriptValue ScriptEnv::runApplication(QScriptContext *context, QScriptEngine *engine)
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{
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Q_UNUSED(engine)
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if (context->argumentCount() == 0) {
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return false;
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}
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KUrl::List urls;
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if (context->argumentCount() > 1) {
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urls = qscriptvalue_cast<KUrl::List>(context->argument(1));
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}
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const QString app = context->argument(0).toString();
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KService::Ptr service = KService::serviceByStorageId(app);
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if (service) {
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return KRun::run(*service, urls, 0);
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}
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const QString exec = KGlobal::dirs()->findExe(app);
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if (!exec.isEmpty()) {
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return KRun::run(exec, urls, 0);
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}
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return false;
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}
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QScriptValue ScriptEnv::runCommand(QScriptContext *context, QScriptEngine *engine)
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{
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Q_UNUSED(engine)
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if (context->argumentCount() == 0) {
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return false;
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}
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const QString exec = KGlobal::dirs()->findExe(context->argument(0).toString());
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if (!exec.isEmpty()) {
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QString args;
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if (context->argumentCount() > 1) {
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const QStringList argList = qscriptvalue_cast<QStringList>(context->argument(1));
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if (!argList.isEmpty()) {
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args = ' ' + KShell::joinArgs(argList);
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}
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}
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return KRun::runCommand(exec + args, 0);
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}
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return false;
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}
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QScriptValue ScriptEnv::openUrl(QScriptContext *context, QScriptEngine *engine)
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{
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Q_UNUSED(engine)
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if (context->argumentCount() == 0) {
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return false;
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}
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QScriptValue v = context->argument(0);
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KUrl url = v.isString() ? KUrl(v.toString()) : qscriptvalue_cast<KUrl>(v);
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if (url.isValid()) {
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return KRun::runUrl(url, KMimeType::findByUrl(url)->name(), 0);
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}
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return false;
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}
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QScriptValue ScriptEnv::getUrl(QScriptContext *context, QScriptEngine *engine)
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{
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if (context->argumentCount() == 0) {
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return engine->undefinedValue();
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}
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QScriptValue v = context->argument(0);
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KUrl url = v.isString() ? KUrl(v.toString()) : qscriptvalue_cast<KUrl>(v);
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if (!url.isValid()) {
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return engine->undefinedValue();
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}
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if (url.isLocalFile()) {
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if (!(static_cast<ScriptEnv*>(engine)->m_allowedUrls & LocalUrls)) {
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return engine->undefinedValue();
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}
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} else if (!(static_cast<ScriptEnv*>(engine)->m_allowedUrls & NetworkUrls) &&
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!((static_cast<ScriptEnv*>(engine)->m_allowedUrls & HttpUrls) && (url.protocol() == "http" || url.protocol() == "https"))) {
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return engine->undefinedValue();
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}
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KIO::Job *job = KIO::get(url);
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return engine->newQObject(job);
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}
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void ScriptEnv::registerGetUrl(QScriptValue &obj)
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{
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QScriptValue get = obj.property("getUrl");
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if (!get.isValid()) {
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obj.setProperty("getUrl", newFunction(ScriptEnv::getUrl));
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}
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}
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bool ScriptEnv::importBuiltinExtension(const QString &extension, QScriptValue &obj)
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{
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kDebug() << extension;
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if ("filedialog" == extension) {
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#ifdef USEGUI
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FileDialogProxy::registerWithRuntime(this);
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return true;
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#endif
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} else if ("launchapp" == extension) {
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obj.setProperty("runApplication", newFunction(ScriptEnv::runApplication));
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obj.setProperty("runCommand", newFunction(ScriptEnv::runCommand));
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obj.setProperty("openUrl", newFunction(ScriptEnv::openUrl));
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return true;
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} else if ("http" == extension) {
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m_allowedUrls |= HttpUrls;
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registerGetUrl(obj);
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return true;
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} else if ("networkio" == extension) {
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m_allowedUrls |= HttpUrls | NetworkUrls;
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registerGetUrl(obj);
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return true;
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} else if ("localio" == extension) {
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m_allowedUrls |= LocalUrls;
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registerGetUrl(obj);
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return true;
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}
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return false;
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}
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bool ScriptEnv::importExtensions(const KPluginInfo &info, QScriptValue &obj, Authorization &auth)
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{
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QStringList requiredExtensions = info.service()->property("X-Plasma-RequiredExtensions", QVariant::StringList).toStringList();
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kDebug() << "required extensions are" << requiredExtensions;
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foreach (const QString &ext, requiredExtensions) {
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QString extension = ext.toLower();
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if (m_extensions.contains(extension)) {
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continue;
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}
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if (!auth.authorizeRequiredExtension(extension)) {
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return false;
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}
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if (!importBuiltinExtension(extension, obj)) {
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if (auth.authorizeExternalExtensions()) {
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importExtension(extension);
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}
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}
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if (hasUncaughtException()) {
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emit reportError(this, true);
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return false;
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} else {
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m_extensions << extension;
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}
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}
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QStringList optionalExtensions = info.service()->property("X-Plasma-OptionalExtensions", QVariant::StringList).toStringList();
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kDebug() << "optional extensions are" << optionalExtensions;
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foreach (const QString &ext, optionalExtensions) {
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QString extension = ext.toLower();
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if (m_extensions.contains(extension)) {
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continue;
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}
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if (!auth.authorizeOptionalExtension(extension)) {
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continue;
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}
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if (!importBuiltinExtension(extension, obj)) {
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if (auth.authorizeExternalExtensions()) {
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importExtension(extension);
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}
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}
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if (hasUncaughtException()) {
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emit reportError(this, false);
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} else {
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m_extensions << extension;
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}
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}
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return true;
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}
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QSet<QString> ScriptEnv::loadedExtensions() const
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{
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return m_extensions;
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}
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QScriptValue ScriptEnv::debug(QScriptContext *context, QScriptEngine *engine)
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{
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if (context->argumentCount() != 1) {
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return context->throwError(i18n("debug takes one argument"));
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}
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kDebug() << context->argument(0).toString();
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return engine->undefinedValue();
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}
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QScriptValue ScriptEnv::print(QScriptContext *context, QScriptEngine *engine)
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{
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if (context->argumentCount() != 1) {
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return context->throwError(i18n("print() takes one argument"));
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}
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std::cout << context->argument(0).toString().toLocal8Bit().constData() << std::endl;
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return engine->undefinedValue();
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}
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#ifndef USEGUI
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#include "scriptenv.moc"
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#endif
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