8d37df4b8f
Mostly these are "<name>.moc" style includes which are incorrect compared to qmake and cmake automoc behaviour.
534 lines
18 KiB
C++
534 lines
18 KiB
C++
/*
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* Copyright © 2009 Rob Scheepmaker <r.scheepmaker@student.utwente.nl>
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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 "serviceprovider_p.h"
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#include <QtCore/QBuffer>
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#include <QtCore/QFile>
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#include <QtCore/QUuid>
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#include "authorizationrule_p.h"
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#include "authorizationmanager_p.h"
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#include "joliemessagehelper_p.h"
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#include "config-plasma.h"
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#include <plasma/remote/authorizationinterface.h>
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#include <plasma/remote/authorizationmanager.h>
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#include <plasma/remote/authorizationrule.h>
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#include <plasma/remote/credentials.h>
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#include <plasma/service.h>
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#include <plasma/servicejob.h>
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#include <plasma/private/servicejob_p.h>
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#include <QtJolie/Server>
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#ifdef ENABLE_REMOTE_WIDGETS
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#include <QtCrypto>
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#endif
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#include <kdebug.h>
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#include <kstandarddirs.h>
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namespace Plasma
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{
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ServiceProvider::ServiceProvider(const QString &name, Service *service)
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: Jolie::AbstractAdaptor(service),
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m_service(service)
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{
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connect(service, SIGNAL(finished(Plasma::ServiceJob *)),
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this, SLOT(operationCompleted(Plasma::ServiceJob*)));
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m_providerName = name;
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AuthorizationManager::self()->d->server->registerAdaptor(m_providerName.toUtf8(), this);
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#ifndef NDEBUG
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kDebug() << "registered service provider " << m_providerName;
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#endif
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}
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ServiceProvider::~ServiceProvider()
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{
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AuthorizationManager::self()->d->server->unregisterAdaptor(m_providerName.toUtf8());
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}
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void ServiceProvider::startOperationCall(Jolie::Message message)
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{
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#ifndef NDEBUG
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kDebug() << "starting operation call";
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#endif
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KConfigGroup description =
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m_service->operationDescription(QString(JolieMessage::field(JolieMessage::Field::OPERATION, message)));
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//deserialize the parameters
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QByteArray parametersByteArray;
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parametersByteArray = JolieMessage::field(JolieMessage::Field::PARAMETERS, message);
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#ifndef NDEBUG
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kDebug() << "parameters byte array: " << parametersByteArray.toBase64();
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#endif
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QBuffer buffer(¶metersByteArray);
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buffer.open(QIODevice::ReadOnly);
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QDataStream in(&buffer);
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QMap<QString, QVariant> parameters;
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in >> parameters;
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if (!description.isValid()) {
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#ifndef NDEBUG
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kDebug() << "invalid description.";
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#endif
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}
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#ifndef NDEBUG
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kDebug() << "====PARAMETERS====";
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#endif
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//write the parameters into the operation description
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QMap<QString, QVariant>::const_iterator it = parameters.constBegin();
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QMap<QString, QVariant>::const_iterator itEnd = parameters.constEnd();
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for ( ; it != itEnd; ++it) {
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const QString key = it.key();
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const QVariant value = it.value();
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#ifndef NDEBUG
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kDebug() << "key = " << key << ", value = " << value;
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#endif
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description.writeEntry(key, value);
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}
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m_service->setDestination(JolieMessage::field(JolieMessage::Field::DESTINATION, message));
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ServiceJob *job = m_service->startOperationCall(description);
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QString identityID = JolieMessage::field(JolieMessage::Field::IDENTITYID, message);
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job->d->identity = AuthorizationManager::self()->d->getCredentials(identityID);
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#ifndef NDEBUG
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kDebug() << "adding into messagemap:" << ((QObject*)job);
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#endif
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m_messageMap[job] = message;
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}
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void ServiceProvider::sendOperations(Jolie::Message message)
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{
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#ifndef NDEBUG
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kDebug() << "send operations.";
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#endif
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//kDebug() << printJolieMessage(message);
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Jolie::Message response(message.resourcePath(), message.operationName(), message.id());
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//FIXME: this is duplicated from Plasma::Service
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QString path = KStandardDirs::locate("data", "plasma/services/" + m_service->name() +
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".operations");
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if (path.isEmpty()) {
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#ifndef NDEBUG
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kDebug() << "Cannot find operations description:" << m_service->name() << ".operations";
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#endif
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response.setFault(Jolie::Fault("NoOperationsDescription"));
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} else {
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#ifndef NDEBUG
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kDebug() << "file = " << path;
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#endif
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QFile file(path);
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file.open(QIODevice::ReadOnly);
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Jolie::Value value;
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value.children(JolieMessage::Field::OPERATIONSDESCRIPTION) << Jolie::Value(file.readAll());
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file.close();
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response.setData(value);
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}
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QByteArray id = JolieMessage::field(JolieMessage::Field::IDENTITYID, message);
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QByteArray uuid = JolieMessage::field(JolieMessage::Field::UUID, message);
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response = appendToken(response, id, uuid);
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#ifndef NDEBUG
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kDebug() << "caller = " << id.toBase64();
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#endif
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//hack around the not yet async service adaptor api in qtjolie
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if (m_descriptorMap.contains(id + uuid)) {
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#ifndef NDEBUG
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kDebug() << "descriptor found, sending message";
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#endif
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AuthorizationManager::self()->d->server->sendReply(
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m_descriptorMap.value(id + uuid), response);
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} else {
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#ifndef NDEBUG
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kDebug() << "no valid entry in descriptormap.";
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#endif
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}
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}
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void ServiceProvider::sendEnabledOperations(Jolie::Message message)
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{
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#ifndef NDEBUG
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kDebug() << "send enabled operations.";
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#endif
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Jolie::Message response(message.resourcePath(), message.operationName(), message.id());
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QStringList enabledOperationsList;
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foreach (const QString &operation, m_service->operationNames()) {
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if (m_service->isOperationEnabled(operation)) {
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enabledOperationsList << operation;
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}
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}
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#ifndef NDEBUG
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kDebug() << "enabled operations: " << enabledOperationsList;
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#endif
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QByteArray enabledOperationsArray;
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QDataStream out(&enabledOperationsArray, QIODevice::WriteOnly);
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out << enabledOperationsList;
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Jolie::Value value;
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value.children(JolieMessage::Field::ENABLEDOPERATIONS) << Jolie::Value(enabledOperationsArray);
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response.setData(value);
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QByteArray id = JolieMessage::field(JolieMessage::Field::IDENTITYID, message);
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QByteArray uuid = JolieMessage::field(JolieMessage::Field::UUID, message);
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response = appendToken(response, id, uuid);
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#ifndef NDEBUG
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kDebug() << "caller = " << id.toBase64();
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#endif
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//hack around the not yet async service adaptor api in qtjolie
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if (m_descriptorMap.contains(id + uuid)) {
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#ifndef NDEBUG
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kDebug() << "descriptor found, sending message";
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#endif
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AuthorizationManager::self()->d->server->sendReply(
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m_descriptorMap.value(id + uuid), response);
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} else {
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#ifndef NDEBUG
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kDebug() << "no valid entry in descriptormap.";
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#endif
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}
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}
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QString ServiceProvider::resourceName() const
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{
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return m_providerName;
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}
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void ServiceProvider::relay(Jolie::Server *server, int descriptor,
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const Jolie::Message &message)
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{
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Q_UNUSED(server)
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if (message.operationName() == "startConnection") {
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#ifndef NDEBUG
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kDebug() << "reset token";
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#endif
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//add the identity
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Credentials identity;
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QByteArray identityByteArray = JolieMessage::field(JolieMessage::Field::IDENTITY, message);
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QDataStream stream(&identityByteArray, QIODevice::ReadOnly);
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stream >> identity;
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AuthorizationManager::self()->d->addCredentials(identity);
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Jolie::Message response(message.resourcePath(), message.operationName(), message.id());
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QByteArray uuid = JolieMessage::field(JolieMessage::Field::UUID, message);
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response = appendToken(response, identity.id().toAscii(), uuid);
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AuthorizationManager::self()->d->server->sendReply(descriptor, response);
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return;
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}
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if (JolieMessage::field(JolieMessage::Field::TOKEN, message).isEmpty()) {
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Jolie::Message response(message.resourcePath(), message.operationName(), message.id());
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response.setFault(Jolie::Fault(JolieMessage::Error::INVALIDTOKEN));
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AuthorizationManager::self()->d->server->sendReply(descriptor, response);
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return;
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}
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//m_descriptor = descriptor;
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QByteArray id = JolieMessage::field(JolieMessage::Field::IDENTITYID, message);
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QByteArray uuid = JolieMessage::field(JolieMessage::Field::UUID, message);
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m_descriptorMap[id + uuid] = descriptor;
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authorize(message, m_tokens[id + uuid]);
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}
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void ServiceProvider::operationCompleted(Plasma::ServiceJob *job)
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{
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#ifndef NDEBUG
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kDebug() << "operation completed.";
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#endif
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if (!m_messageMap.contains(job)) {
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#ifndef NDEBUG
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kDebug() << "service not in map!";
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#endif
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return;
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}
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#ifndef NDEBUG
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kDebug() << "found message in message map!";
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#endif
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Jolie::Message message = m_messageMap.take(job);
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Jolie::Message response(message.resourcePath(), message.operationName(), message.id());
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QVariant variantResult = job->result();
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#ifndef NDEBUG
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kDebug() << "got a result: " << variantResult;
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#endif
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QByteArray byteArrayResult;
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QBuffer buffer(&byteArrayResult);
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buffer.open(QIODevice::WriteOnly);
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QDataStream out(&buffer);
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out << variantResult;
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Jolie::Value data;
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data.children(JolieMessage::Field::RESULT) << Jolie::Value(byteArrayResult);
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response.setData(data);
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if (job->error()) {
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response.setFault(Jolie::Fault(job->errorString().toAscii()));
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}
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QByteArray id = JolieMessage::field(JolieMessage::Field::IDENTITYID, message);
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QByteArray uuid = JolieMessage::field(JolieMessage::Field::UUID, message);
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response = appendToken(response, id, uuid);
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//hack around the not yet async service adaptor api in qtjolie
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if (m_descriptorMap.contains(id + uuid)) {
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#ifndef NDEBUG
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kDebug() << "descriptor found, sending message";
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#endif
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AuthorizationManager::self()->d->server->sendReply(
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m_descriptorMap.value(id + uuid), response);
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} else {
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#ifndef NDEBUG
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kDebug() << "no valid entry in descriptormap.";
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#endif
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}
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}
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void ServiceProvider::ruleChanged(Plasma::AuthorizationRule *rule)
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{
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int i = 0;
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foreach (const Jolie::Message &message, m_messagesPendingAuthorization) {
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QByteArray id = JolieMessage::field(JolieMessage::Field::IDENTITYID, message);
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//Credentials identity = AuthorizationManager::self()->d->getCredentials(id);
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bool matches = rule->d->matches(message.resourcePath(), id);
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if (matches && rule->policy() == AuthorizationRule::PinRequired &&
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JolieMessage::field(JolieMessage::Field::PIN, message) != rule->pin()) {
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#ifndef NDEBUG
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kDebug() << "we need a pin";
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#endif
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authorizationFailed(message, JolieMessage::Error::REQUIREPIN);
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m_messagesPendingAuthorization.removeAt(i);
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return;
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/**
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} else if (matches && rule->policy() == AuthorizationRule::PinRequired) {
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#ifndef NDEBUG
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kDebug() << "AUTHORIZATION: Service is freely accessable for verified caller.";
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#endif
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rule->setPolicy(AuthorizationRule::Allow);
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authorizationSuccess(message);
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//TODO: it might be nicer to do a removeAll once Jolie::Message implements ==
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m_messagesPendingAuthorization.removeAt(i);
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return;
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*/
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} else if (matches && rule->policy() == AuthorizationRule::Allow) {
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#ifndef NDEBUG
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kDebug() << "AUTHORIZATION: Service is freely accessable for verified caller.";
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#endif
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authorizationSuccess(message);
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//TODO: it might be nicer to do a removeAll once Jolie::Message implements ==
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m_messagesPendingAuthorization.removeAt(i);
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return;
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} else if (matches && rule->policy() == AuthorizationRule::Deny) {
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#ifndef NDEBUG
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kDebug() << "AUTHORIZATION: Service is never accessable for verified caller.";
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#endif
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authorizationFailed(message, JolieMessage::Error::ACCESSDENIED);
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m_messagesPendingAuthorization.removeAt(i);
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return;
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} else {
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i++;
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}
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}
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}
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Jolie::Message ServiceProvider::appendToken(Jolie::Message message,
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const QByteArray &caller,
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const QByteArray &uuid)
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{
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m_tokens[caller + uuid] = QUuid::createUuid().toString().toAscii();
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//kDebug() << "setting token: " << m_tokens[caller + uuid].toBase64()
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//<< " for caller: " << caller.toBase64()
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//<< " with uuid caller: " << uuid.toBase64();
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Jolie::Value data = message.data();
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data.children(JolieMessage::Field::TOKEN) << Jolie::Value(m_tokens[caller + uuid]);
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message.setData(data);
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return message;
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}
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void ServiceProvider::authorize(const Jolie::Message &message, const QByteArray &validToken)
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{
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#ifndef NDEBUG
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kDebug() << "VALIDATING MESSAGE:";
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#endif
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//kDebug() << JolieMessage::print(message);
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//Authorization step 1: is the service accessable to all callers? In that case we can skip the
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//verification of the signature
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#ifndef NDEBUG
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kDebug() << "STEP1";
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#endif
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AuthorizationRule *rule =
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AuthorizationManager::self()->d->matchingRule(message.resourcePath(), Credentials());
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if (rule && rule->policy() == AuthorizationRule::Allow) {
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#ifndef NDEBUG
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kDebug() << "AUTHORIZATION: Service is freely accessable.";
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#endif
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authorizationSuccess(message);
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return;
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} else if (rule && rule->policy() == AuthorizationRule::Deny) {
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#ifndef NDEBUG
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kDebug() << "AUTHORIZATION: Service is never accessable.";
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#endif
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authorizationFailed(message, JolieMessage::Error::ACCESSDENIED);
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return;
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}
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//Authorization step 2: see if the token matches. If it doesn't we can't safely identify the
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//caller and are finished.
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#ifndef NDEBUG
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kDebug() << "STEP2";
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#endif
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if (JolieMessage::field(JolieMessage::Field::TOKEN, message) != validToken && !validToken.isEmpty()) {
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#ifndef NDEBUG
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kDebug() << "AUTHORIZATION: Message token doesn't match.";
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#endif
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#ifndef NDEBUG
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kDebug() << "expected: " << validToken.toBase64();
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#endif
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authorizationFailed(message, JolieMessage::Error::INVALIDTOKEN);
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return;
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}
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QByteArray payload = JolieMessage::payload(message);
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QByteArray signature = JolieMessage::field(JolieMessage::Field::SIGNATURE, message);
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Credentials identity = AuthorizationManager::self()->d->getCredentials(
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JolieMessage::field(JolieMessage::Field::IDENTITYID, message));
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if (!identity.isValid()) {
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#ifndef NDEBUG
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kDebug() << "no identity";
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#endif
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authorizationFailed(message, JolieMessage::Error::INVALIDTOKEN);
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return;
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}
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#ifndef NDEBUG
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kDebug() << "STEP3";
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#endif
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//Authorization step 3: see if we have the key and can validate the signature. If we can't,
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//either the public key has changed, or somebody is doing something nasty, and we're finished.
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if ((!identity.isValidSignature(signature, payload))) {
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#ifndef NDEBUG
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kDebug() << "AUTHORIZATION: signature invalid.";
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#endif
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authorizationFailed(message, JolieMessage::Error::ACCESSDENIED);
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return;
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}
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#ifndef NDEBUG
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kDebug() << "STEP4";
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#endif
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//Authorization step 4: if we have a valid signature, see if we've got a matching rule
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rule = AuthorizationManager::self()->d->matchingRule(message.resourcePath(), identity);
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if (rule && rule->policy() == AuthorizationRule::PinRequired) {
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#ifndef NDEBUG
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kDebug() << "we expect a pin!";
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#endif
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QByteArray pin = JolieMessage::field(JolieMessage::Field::PIN, message);
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if (rule->pin() == QString(pin)) {
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authorizationSuccess(message);
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rule->setPolicy(AuthorizationRule::Allow);
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} else {
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authorizationFailed(message, JolieMessage::Error::ACCESSDENIED);
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AuthorizationManager::self()->d->rules.removeAll(rule);
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delete rule;
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}
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} else if (rule && rule->policy() == AuthorizationRule::Allow) {
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#ifndef NDEBUG
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kDebug() << "AUTHORIZATION: Service is freely accessable for validated sender.";
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#endif
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authorizationSuccess(message);
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return;
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} else if (rule && rule->policy() == AuthorizationRule::Deny) {
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#ifndef NDEBUG
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kDebug() << "AUTHORIZATION: Service is not accessable for validated sender.";
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#endif
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authorizationFailed(message, JolieMessage::Error::ACCESSDENIED);
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return;
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} else {
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//- let the shell set the rule matching this request:
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#ifndef NDEBUG
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kDebug() << "STEP6";
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#endif
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#ifndef NDEBUG
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kDebug() << "leave it up to the authorization interface";
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#endif
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m_messagesPendingAuthorization << message;
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AuthorizationRule *newRule =
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new AuthorizationRule(QString(message.resourcePath()), identity.id());
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connect(newRule, SIGNAL(changed(Plasma::AuthorizationRule*)), this,
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SLOT(ruleChanged(Plasma::AuthorizationRule*)));
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AuthorizationManager::self()->d->rules.append(newRule);
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AuthorizationManager::self()->d->authorizationInterface->authorizationRequest(*newRule);
|
|
}
|
|
}
|
|
|
|
void ServiceProvider::authorizationSuccess(const Jolie::Message &message)
|
|
{
|
|
#ifndef NDEBUG
|
|
kDebug() << "message with operationName " << message.operationName() << " allowed!";
|
|
#endif
|
|
|
|
//would be lovely if this kind of stuff could be autogenerated code from xml like in dbus
|
|
//adaptors
|
|
if (message.operationName() == "getOperations") {
|
|
sendOperations(message);
|
|
} else if (message.operationName() == "getEnabledOperations") {
|
|
sendEnabledOperations(message);
|
|
} else if (message.operationName() == "startOperationCall") {
|
|
startOperationCall(message);
|
|
}
|
|
}
|
|
|
|
void ServiceProvider::authorizationFailed(const Jolie::Message &message, const QByteArray &error)
|
|
{
|
|
#ifndef NDEBUG
|
|
kDebug() << "message with operationName " << message.operationName() << " NOT allowed!";
|
|
#endif
|
|
Jolie::Message response(message.resourcePath(), message.operationName(), message.id());
|
|
response.setFault(Jolie::Fault(error));
|
|
|
|
QByteArray id = JolieMessage::field(JolieMessage::Field::IDENTITYID, message);
|
|
QByteArray uuid = JolieMessage::field(JolieMessage::Field::UUID, message);
|
|
AuthorizationManager::self()->d->server->sendReply(
|
|
m_descriptorMap.value(id + uuid), response);
|
|
return;
|
|
}
|
|
|
|
} //namespace Plasma
|
|
|
|
#include "moc_serviceprovider_p.cpp"
|