108536cb93
My merge request (qtbase/57) for the missing feature in QTemporaryFile (naming the temp file after the application, to be able to sort out which app is leaking temp files), has been merged, so we don't need KTemporaryFile anymore.
318 lines
9.3 KiB
C++
318 lines
9.3 KiB
C++
/*
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* Copyright 2009 by Rob Scheepmaker <r.scheepmaker@student.utwente.nl>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*/
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#include "authorizationmanager.h"
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#include "authorizationmanager_p.h"
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#include "authorizationinterface.h"
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#include "authorizationrule.h"
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#include "authorizationrule_p.h"
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#include "denyallauthorization_p.h"
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#include "credentials.h"
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#include "pinpairingauthorization_p.h"
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#include "service.h"
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#include "servicejob.h"
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#include "trustedonlyauthorization_p.h"
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#include "private/joliemessagehelper_p.h"
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#include <QtCore/QBuffer>
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#include <QtCore/QMap>
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#include <QtCore/QMetaType>
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#include <QtCore/QTimer>
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#include <qtemporaryfile.h>
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#include <QtNetwork/QHostInfo>
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#include <QtJolie/Message>
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#include <QtJolie/Server>
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#include <kauthaction.h>
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#include <kconfiggroup.h>
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#include <kdebug.h>
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#include <kstandarddirs.h>
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#include <kurl.h>
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#include <kwallet.h>
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namespace Plasma
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{
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class AuthorizationManagerSingleton
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{
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public:
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AuthorizationManager self;
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};
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K_GLOBAL_STATIC(AuthorizationManagerSingleton, privateAuthorizationManagerSelf)
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AuthorizationManager *AuthorizationManager::self()
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{
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return &privateAuthorizationManagerSelf->self;
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}
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AuthorizationManager::AuthorizationManager()
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: QObject(),
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d(new AuthorizationManagerPrivate(this))
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{
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qRegisterMetaTypeStreamOperators<Plasma::Credentials>("Plasma::Credentials");
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}
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AuthorizationManager::~AuthorizationManager()
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{
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delete d;
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}
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void AuthorizationManager::setAuthorizationPolicy(AuthorizationPolicy policy)
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{
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if (d->locked) {
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#ifndef NDEBUG
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kDebug() << "Can't change AuthorizationPolicy: interface locked.";
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#endif
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return;
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}
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if (policy == d->authorizationPolicy) {
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return;
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}
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d->authorizationPolicy = policy;
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if (d->authorizationInterface != d->customAuthorizationInterface) {
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delete d->authorizationInterface;
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}
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switch (policy) {
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case DenyAll:
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d->authorizationInterface = new DenyAllAuthorization();
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break;
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case PinPairing:
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d->authorizationInterface = new PinPairingAuthorization();
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break;
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case TrustedOnly:
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d->authorizationInterface = new TrustedOnlyAuthorization();
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break;
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case Custom:
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d->authorizationInterface = d->customAuthorizationInterface;
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break;
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}
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d->locked = true;
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}
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void AuthorizationManager::setAuthorizationInterface(AuthorizationInterface *interface)
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{
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if (d->authorizationInterface) {
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#ifndef NDEBUG
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kDebug() << "Can't change AuthorizationInterface: interface locked.";
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#endif
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return;
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}
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delete d->customAuthorizationInterface;
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d->customAuthorizationInterface = interface;
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if (d->authorizationPolicy == Custom) {
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d->authorizationInterface = interface;
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}
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}
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AuthorizationManagerPrivate::AuthorizationManagerPrivate(AuthorizationManager *manager)
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: q(manager),
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server(0),
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authorizationPolicy(AuthorizationManager::DenyAll),
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authorizationInterface(new DenyAllAuthorization()),
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customAuthorizationInterface(0),
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rulesConfig(KSharedConfig::openConfig("/etc/plasma-remotewidgets.conf")->group("Rules")),
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locked(false)
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{
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}
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AuthorizationManagerPrivate::~AuthorizationManagerPrivate()
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{
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delete authorizationInterface;
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delete customAuthorizationInterface;
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delete server;
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}
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void AuthorizationManagerPrivate::prepareForServiceAccess()
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{
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if (myCredentials.isValid()) {
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return;
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}
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wallet = KWallet::Wallet::openWallet("kdewallet", 0, KWallet::Wallet::Asynchronous);
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q->connect(wallet, SIGNAL(walletOpened(bool)), q, SLOT(slotWalletOpened()));
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QTimer::singleShot(0, q, SLOT(slotLoadRules()));
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}
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void AuthorizationManagerPrivate::prepareForServicePublication()
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{
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if (!server) {
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server = new Jolie::Server(4000);
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}
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}
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void AuthorizationManagerPrivate::saveRules()
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{
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#ifndef NDEBUG
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kDebug() << "SAVE RULES";
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#endif
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QTemporaryFile tempFile;
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tempFile.open();
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tempFile.setAutoRemove(false);
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KConfigGroup rulesGroup = KSharedConfig::openConfig(tempFile.fileName())->group("Rules");
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int i = 0;
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foreach (AuthorizationRule *rule, rules) {
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if (rule->persistence() == AuthorizationRule::Persistent) {
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#ifndef NDEBUG
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kDebug() << "adding rule " << i;
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#endif
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rulesGroup.group(QString::number(i)).writeEntry("CredentialsID", rule->credentials().id());
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rulesGroup.group(QString::number(i)).writeEntry("serviceName", rule->serviceName());
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rulesGroup.group(QString::number(i)).writeEntry("Policy", (uint)rule->policy());
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rulesGroup.group(QString::number(i)).writeEntry("Targets", (uint)rule->targets());
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rulesGroup.group(QString::number(i)).writeEntry("Persistence", (uint)rule->persistence());
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i++;
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}
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}
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rulesGroup.sync();
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tempFile.close();
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#ifndef NDEBUG
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kDebug() << "tempfile = " << tempFile.fileName();
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#endif
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KAuth::Action action("org.kde.kcontrol.kcmremotewidgets.save");
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action.addArgument("source", tempFile.fileName());
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action.addArgument("filename", "/etc/plasma-remotewidgets.conf");
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KAuth::ActionReply reply = action.execute();
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if (reply.failed()) {
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#ifndef NDEBUG
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kDebug() << "KAuth failed.... YOU SUCK!";
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#endif
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}
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}
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void AuthorizationManagerPrivate::slotWalletOpened()
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{
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QByteArray identity;
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if (!wallet->readEntry("Credentials", identity)) {
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#ifndef NDEBUG
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kDebug() << "Existing identity found";
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#endif
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QDataStream stream(&identity, QIODevice::ReadOnly);
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stream >> myCredentials;
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}
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if (!myCredentials.isValid()) {
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#ifndef NDEBUG
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kDebug() << "Creating a new identity";
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#endif
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myCredentials = Credentials::createCredentials(QHostInfo::localHostName());
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QDataStream stream(&identity, QIODevice::WriteOnly);
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stream << myCredentials;
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wallet->writeEntry("Credentials", identity);
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}
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emit q->readyForRemoteAccess();
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}
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void AuthorizationManagerPrivate::slotLoadRules()
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{
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foreach (const QString &groupName, rulesConfig.groupList()) {
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QString identityID = rulesConfig.group(groupName).readEntry("CredentialsID", "");
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QString serviceName = rulesConfig.group(groupName).readEntry("serviceName", "");
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uint policy = rulesConfig.group(groupName).readEntry("Policy", 0);
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uint targets = rulesConfig.group(groupName).readEntry("Targets", 0);
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uint persistence = rulesConfig.group(groupName).readEntry("Persistence", 0);
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//Credentials storedCredentials = identities[identityID];
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if (serviceName.isEmpty()) {
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#ifndef NDEBUG
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kDebug() << "Invalid rule";
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#endif
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} else {
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AuthorizationRule *rule = new AuthorizationRule(serviceName, identityID);
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rule->setPolicy(static_cast<AuthorizationRule::Policy>(policy));
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rule->setTargets(static_cast<AuthorizationRule::Targets>(targets));
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rule->setPersistence(static_cast<AuthorizationRule::Persistence>(persistence));
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rules.append(rule);
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}
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}
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}
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AuthorizationRule *AuthorizationManagerPrivate::matchingRule(const QString &serviceName,
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const Credentials &identity) const
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{
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AuthorizationRule *matchingRule = 0;
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foreach (AuthorizationRule *rule, rules) {
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if (rule->d->matches(serviceName, identity.id())) {
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//a message can have multiple matching rules, consider priorities: the more specific the
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//rule is, the higher it's priority
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if (!matchingRule) {
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matchingRule = rule;
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} else {
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if (!matchingRule->targets().testFlag(AuthorizationRule::AllServices) &&
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!matchingRule->targets().testFlag(AuthorizationRule::AllUsers)) {
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matchingRule = rule;
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}
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}
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}
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}
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if (!matchingRule) {
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#ifndef NDEBUG
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kDebug() << "no matching rule";
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#endif
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} else {
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#ifndef NDEBUG
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kDebug() << "matching rule found: " << matchingRule->description();
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#endif
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}
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return matchingRule;
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}
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Credentials AuthorizationManagerPrivate::getCredentials(const QString &id)
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{
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if (identities.contains(id)) {
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return identities[id];
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} else {
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return Credentials();
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}
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}
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void AuthorizationManagerPrivate::addCredentials(const Credentials &identity)
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{
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if (identities.contains(identity.id())) {
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return;
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} else if (identity.isValid()) {
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#ifndef NDEBUG
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kDebug() << "Adding a new identity for " << identity.id();
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#endif
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identities[identity.id()] = identity;
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}
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}
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} // Plasma namespace
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#include "authorizationmanager.moc"
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