294 lines
9.0 KiB
C++
294 lines
9.0 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 <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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}
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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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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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