5b160ac802
out why, but the basic code is there), and delay the starting of the jolie service and unlocking of the keyring for your credentials to when it's actually needed. svn path=/trunk/KDE/kdelibs/; revision=1019142
300 lines
9.3 KiB
C++
300 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 "private/authorizationmanager_p.h"
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#include "authorizationinterface.h"
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#include "authorizationrule.h"
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#include "credentials.h"
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#include "service.h"
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#include "servicejob.h"
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#include "private/authorizationrule_p.h"
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#include "private/denyallauthorization.h"
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#include "private/joliemessagehelper_p.h"
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#include "private/pinpairingauthorization.h"
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#include "private/trustedonlyauthorization.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 <QtNetwork/QHostInfo>
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#include <QtJolie/Message>
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#include <QtJolie/Server>
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#include <QtCrypto>
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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 <ktemporaryfile.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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kDebug() << "Can't change AuthorizationPolicy: interface locked.";
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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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kDebug() << "Can't change AuthorizationInterface: interface locked.";
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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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delete wallet;
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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("Plasma", 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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//Let's set up plasma for remote service support. Since most of the set up involves crypto,
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//AuthorizationManager seems the sensible place.
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//First, let's start the JOLIE 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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kDebug() << "SAVE RULES";
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KTemporaryFile 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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kDebug() << "adding rule " << i;
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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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kDebug() << "tempfile = " << tempFile.fileName();
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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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kDebug() << "KAuth failed.... YOU SUCK!";
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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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kDebug() << "Existing identity found";
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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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kDebug() << "Creating a new identity";
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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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kDebug() << "Invalid rule";
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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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kDebug() << "no matching rule";
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} else {
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kDebug() << "matching rule found: " << matchingRule->description();
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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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kDebug() << "Adding a new identity for " << identity.id();
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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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