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111 lines
4.5 KiB
111 lines
4.5 KiB
// This is an example not a library
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/***************************************************************************
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* Copyright (C) 2008 Daniel Nicoletti <dantti85-pk@yahoo.com.br> *
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* Copyright (C) 2009 Radek Novacek <rnovacek@redhat.com> *
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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 General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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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 General Public License *
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* 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 "PkExampleHelper.h"
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#include "examplesadaptor.h"
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#include "polkittqt-authority.h"
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#include <TQtDBus/TQDBusConnection>
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#include <TQtCore/TQTimer>
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#include <TQtCore/TQDebug>
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#include <TQtXml/TQDomDocument>
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#define MINUTE 60000
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using namespace PolkitTQt1;
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PkExampleHelper::PkExampleHelper(int &argc, char **argv)
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: TQCoreApplication(argc, argv)
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{
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tqDebug() << "Creating Helper";
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(void) new ExamplesAdaptor(this);
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// Register the DBus service
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if (!TQDBusConnection::systemBus().registerService("org.tqt.policykit.examples")) {
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tqDebug() << TQDBusConnection::systemBus().lastError().message();;
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TQTimer::singleShot(0, this, SLOT(quit()));
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return;
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}
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if (!TQDBusConnection::systemBus().registerObject("/", this)) {
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tqDebug() << "unable to register service interface to dbus";
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TQTimer::singleShot(0, this, SLOT(quit()));
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return;
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}
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// Normally you will set a timeout so your application can
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// free some resources of the poor client machine ;)
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TQTimer::singleShot(MINUTE, this, SLOT(quit()));
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}
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PkExampleHelper::~PkExampleHelper()
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{
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tqDebug() << "Destroying Helper";
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}
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bool PkExampleHelper::set(const TQString &action)
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{
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tqDebug() << "PkExampleHelper::set" << action;
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// message().service() is the service name of the caller
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// We can check if the caller is authorized to the following action
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Authority::Result result;
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SystemBusNameSubject subject(message().service());
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result = Authority::instance()->checkAuthorizationSync("org.tqt.policykit.examples.set",
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subject , Authority::AllowUserInteraction);
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if (result == Authority::Yes) {
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tqDebug() << message().service() << TQString("Implicit authorization set to") << action;
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// Caller is authorized so we can perform the action
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return setValue(action);
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} else {
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tqDebug() << message().service() << TQString("Can't set the implicit authorization");
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// Caller is not authorized so the action can't be performed
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return false;
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}
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}
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bool PkExampleHelper::setValue(const TQString &action)
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{
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// This action must be authorized first. It will set the implicit
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// authorization for the Shout action by editing the .policy file
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TQDomDocument doc = TQDomDocument("policy");
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TQFile file("/usr/share/polkit-1/actions/org.tqt.policykit.examples.policy");
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if (!file.open(TQIODevice::ReadOnly))
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return false;
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doc.setContent(&file);
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file.close();
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TQDomElement el = doc.firstChildElement("policyconfig").
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firstChildElement("action");
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while (!el.isNull() && el.attribute("id", TQString()) != "org.tqt.policykit.examples.shout") {
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el = el.nextSiblingElement("action");
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}
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el = el.firstChildElement("defaults");
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el = el.firstChildElement("allow_active");
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if (el.isNull())
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return false;
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el.firstChild().toText().setData(action);
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if (!file.open(TQIODevice::WriteOnly))
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return false;
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TQTextStream stream(&file);
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doc.save(stream, 2);
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file.close();
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return true;
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}
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