src/core/coresession.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2015 by the Quassel Project                        *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
  19  ***************************************************************************/
  20
  21 #include "coresession.h"
  22
  23 #include <QtScript>
  24
  25 #include "core.h"
  26 #include "coreuserinputhandler.h"
  27 #include "corebuffersyncer.h"
  28 #include "corebacklogmanager.h"
  29 #include "corebufferviewmanager.h"
  30 #include "coreeventmanager.h"
  31 #include "coreidentity.h"
  32 #include "coreignorelistmanager.h"
  33 #include "coreirclisthelper.h"
  34 #include "corenetwork.h"
  35 #include "corenetworkconfig.h"
  36 #include "coresessioneventprocessor.h"
  37 #include "coretransfermanager.h"
  38 #include "coreusersettings.h"
  39 #include "ctcpparser.h"
  40 #include "eventstringifier.h"
  41 #include "internalpeer.h"
  42 #include "ircchannel.h"
  43 #include "ircparser.h"
  44 #include "ircuser.h"
  45 #include "logger.h"
  46 #include "messageevent.h"
  47 #include "remotepeer.h"
  48 #include "storage.h"
  49 #include "util.h"
  50
  51
  52 class ProcessMessagesEvent : public QEvent
  53 {
  54 public:
  55     ProcessMessagesEvent() : QEvent(QEvent::User) {}
  56 };
  57
  58
  59 CoreSession::CoreSession(UserId uid, bool restoreState, QObject *parent)
  60     : QObject(parent),
  61     _user(uid),
  62     _signalProxy(new SignalProxy(SignalProxy::Server, this)),
  63     _aliasManager(this),
  64     _bufferSyncer(new CoreBufferSyncer(this)),
  65     _backlogManager(new CoreBacklogManager(this)),
  66     _bufferViewManager(new CoreBufferViewManager(_signalProxy, this)),
  67     _ircListHelper(new CoreIrcListHelper(this)),
  68     _networkConfig(new CoreNetworkConfig("GlobalNetworkConfig", this)),
  69     _coreInfo(this),
  70     _transferManager(new CoreTransferManager(this)),
  71     _eventManager(new CoreEventManager(this)),
  72     _eventStringifier(new EventStringifier(this)),
  73     _sessionEventProcessor(new CoreSessionEventProcessor(this)),
  74     _ctcpParser(new CtcpParser(this)),
  75     _ircParser(new IrcParser(this)),
  76     scriptEngine(new QScriptEngine(this)),
  77     _processMessages(false),
  78     _ignoreListManager(this)
  79 {
  80     SignalProxy *p = signalProxy();
  81     p->setHeartBeatInterval(30);
  82     p->setMaxHeartBeatCount(60); // 30 mins until we throw a dead socket out
  83
  84     connect(p, SIGNAL(peerRemoved(Peer*)), SLOT(removeClient(Peer*)));
  85
  86     connect(p, SIGNAL(connected()), SLOT(clientsConnected()));
  87     connect(p, SIGNAL(disconnected()), SLOT(clientsDisconnected()));
  88
  89     p->attachSlot(SIGNAL(sendInput(BufferInfo, QString)), this, SLOT(msgFromClient(BufferInfo, QString)));
  90     p->attachSignal(this, SIGNAL(displayMsg(Message)));
  91     p->attachSignal(this, SIGNAL(displayStatusMsg(QString, QString)));
  92
  93     p->attachSignal(this, SIGNAL(identityCreated(const Identity &)));
  94     p->attachSignal(this, SIGNAL(identityRemoved(IdentityId)));
  95     p->attachSlot(SIGNAL(createIdentity(const Identity &, const QVariantMap &)), this, SLOT(createIdentity(const Identity &, const QVariantMap &)));
  96     p->attachSlot(SIGNAL(removeIdentity(IdentityId)), this, SLOT(removeIdentity(IdentityId)));
  97
  98     p->attachSignal(this, SIGNAL(networkCreated(NetworkId)));
  99     p->attachSignal(this, SIGNAL(networkRemoved(NetworkId)));
 100     p->attachSlot(SIGNAL(createNetwork(const NetworkInfo &, const QStringList &)), this, SLOT(createNetwork(const NetworkInfo &, const QStringList &)));
 101     p->attachSlot(SIGNAL(removeNetwork(NetworkId)), this, SLOT(removeNetwork(NetworkId)));
 102
 103     p->attachSlot(SIGNAL(changePassword(PeerPtr,QString,QString,QString)), this, SLOT(changePassword(PeerPtr,QString,QString,QString)));
 104     p->attachSignal(this, SIGNAL(passwordChanged(PeerPtr,bool)));
 105
 106     loadSettings();
 107     initScriptEngine();
 108
 109     eventManager()->registerObject(ircParser(), EventManager::NormalPriority);
 110     eventManager()->registerObject(sessionEventProcessor(), EventManager::HighPriority); // needs to process events *before* the stringifier!
 111     eventManager()->registerObject(ctcpParser(), EventManager::NormalPriority);
 112     eventManager()->registerObject(eventStringifier(), EventManager::NormalPriority);
 113     eventManager()->registerObject(this, EventManager::LowPriority); // for sending MessageEvents to the client
 114     // some events need to be handled after msg generation
 115     eventManager()->registerObject(sessionEventProcessor(), EventManager::LowPriority, "lateProcess");
 116     eventManager()->registerObject(ctcpParser(), EventManager::LowPriority, "send");
 117
 118     // periodically save our session state
 119     connect(&(Core::instance()->syncTimer()), SIGNAL(timeout()), this, SLOT(saveSessionState()));
 120
 121     p->synchronize(_bufferSyncer);
 122     p->synchronize(&aliasManager());
 123     p->synchronize(_backlogManager);
 124     p->synchronize(ircListHelper());
 125     p->synchronize(networkConfig());
 126     p->synchronize(&_coreInfo);
 127     p->synchronize(&_ignoreListManager);
 128     p->synchronize(transferManager());
 129     // Restore session state
 130     if (restoreState)
 131         restoreSessionState();
 132
 133     emit initialized();
 134 }
 135
 136
 137 CoreSession::~CoreSession()
 138 {
 139     saveSessionState();
 140     foreach(CoreNetwork *net, _networks.values()) {
 141         delete net;
 142     }
 143 }
 144
 145
 146 CoreNetwork *CoreSession::network(NetworkId id) const
 147 {
 148     if (_networks.contains(id)) return _networks[id];
 149     return 0;
 150 }
 151
 152
 153 CoreIdentity *CoreSession::identity(IdentityId id) const
 154 {
 155     if (_identities.contains(id)) return _identities[id];
 156     return 0;
 157 }
 158
 159
 160 void CoreSession::loadSettings()
 161 {
 162     CoreUserSettings s(user());
 163
 164     // migrate to db
 165     QList<IdentityId> ids = s.identityIds();
 166     QList<NetworkInfo> networkInfos = Core::networks(user());
 167     foreach(IdentityId id, ids) {
 168         CoreIdentity identity(s.identity(id));
 169         IdentityId newId = Core::createIdentity(user(), identity);
 170         QList<NetworkInfo>::iterator networkIter = networkInfos.begin();
 171         while (networkIter != networkInfos.end()) {
 172             if (networkIter->identity == id) {
 173                 networkIter->identity = newId;
 174                 Core::updateNetwork(user(), *networkIter);
 175                 networkIter = networkInfos.erase(networkIter);
 176             }
 177             else {
 178                 ++networkIter;
 179             }
 180         }
 181         s.removeIdentity(id);
 182     }
 183     // end of migration
 184
 185     foreach(CoreIdentity identity, Core::identities(user())) {
 186         createIdentity(identity);
 187     }
 188
 189     foreach(NetworkInfo info, Core::networks(user())) {
 190         createNetwork(info);
 191     }
 192 }
 193
 194
 195 void CoreSession::saveSessionState() const
 196 {
 197     _bufferSyncer->storeDirtyIds();
 198     _bufferViewManager->saveBufferViews();
 199     _networkConfig->save();
 200 }
 201
 202
 203 void CoreSession::restoreSessionState()
 204 {
 205     QList<NetworkId> nets = Core::connectedNetworks(user());
 206     CoreNetwork *net = 0;
 207     foreach(NetworkId id, nets) {
 208         net = network(id);
 209         Q_ASSERT(net);
 210         net->connectToIrc();
 211     }
 212 }
 213
 214
 215 void CoreSession::addClient(RemotePeer *peer)
 216 {
 217     peer->dispatch(sessionState());
 218     signalProxy()->addPeer(peer);
 219 }
 220
 221
 222 void CoreSession::addClient(InternalPeer *peer)
 223 {
 224     signalProxy()->addPeer(peer);
 225     emit sessionState(sessionState());
 226 }
 227
 228
 229 void CoreSession::removeClient(Peer *peer)
 230 {
 231     RemotePeer *p = qobject_cast<RemotePeer *>(peer);
 232     if (p)
 233         quInfo() << qPrintable(tr("Client")) << p->description() << qPrintable(tr("disconnected (UserId: %1).").arg(user().toInt()));
 234 }
 235
 236
 237 QHash<QString, QString> CoreSession::persistentChannels(NetworkId id) const
 238 {
 239     return Core::persistentChannels(user(), id);
 240 }
 241
 242
 243 // FIXME switch to BufferId
 244 void CoreSession::msgFromClient(BufferInfo bufinfo, QString msg)
 245 {
 246     CoreNetwork *net = network(bufinfo.networkId());
 247     if (net) {
 248         net->userInput(bufinfo, msg);
 249     }
 250     else {
 251         qWarning() << "Trying to send to unconnected network:" << msg;
 252     }
 253 }
 254
 255
 256 // ALL messages coming pass through these functions before going to the GUI.
 257 // So this is the perfect place for storing the backlog and log stuff.
 258 void CoreSession::recvMessageFromServer(NetworkId networkId, Message::Type type, BufferInfo::Type bufferType,
 259     const QString &target, const QString &text_, const QString &sender, Message::Flags flags)
 260 {
 261     // U+FDD0 and U+FDD1 are special characters for Qt's text engine, specifically they mark the boundaries of
 262     // text frames in a QTextDocument. This might lead to problems in widgets displaying QTextDocuments (such as
 263     // KDE's notifications), hence we remove those just to be safe.
 264     QString text = text_;
 265     text.remove(QChar(0xfdd0)).remove(QChar(0xfdd1));
 266     RawMessage rawMsg(networkId, type, bufferType, target, text, sender, flags);
 267
 268     // check for HardStrictness ignore
 269     CoreNetwork *currentNetwork = network(networkId);
 270     QString networkName = currentNetwork ? currentNetwork->networkName() : QString("");
 271     if (_ignoreListManager.match(rawMsg, networkName) == IgnoreListManager::HardStrictness)
 272         return;
 273
 274     _messageQueue << rawMsg;
 275     if (!_processMessages) {
 276         _processMessages = true;
 277         QCoreApplication::postEvent(this, new ProcessMessagesEvent());
 278     }
 279 }
 280
 281
 282 void CoreSession::recvStatusMsgFromServer(QString msg)
 283 {
 284     CoreNetwork *net = qobject_cast<CoreNetwork *>(sender());
 285     Q_ASSERT(net);
 286     emit displayStatusMsg(net->networkName(), msg);
 287 }
 288
 289
 290 void CoreSession::processMessageEvent(MessageEvent *event)
 291 {
 292     recvMessageFromServer(event->networkId(), event->msgType(), event->bufferType(),
 293         event->target().isNull() ? "" : event->target(),
 294         event->text().isNull() ? "" : event->text(),
 295         event->sender().isNull() ? "" : event->sender(),
 296         event->msgFlags());
 297 }
 298
 299
 300 QList<BufferInfo> CoreSession::buffers() const
 301 {
 302     return Core::requestBuffers(user());
 303 }
 304
 305
 306 void CoreSession::customEvent(QEvent *event)
 307 {
 308     if (event->type() != QEvent::User)
 309         return;
 310
 311     processMessages();
 312     event->accept();
 313 }
 314
 315
 316 void CoreSession::processMessages()
 317 {
 318     if (_messageQueue.count() == 1) {
 319         const RawMessage &rawMsg = _messageQueue.first();
 320         bool createBuffer = !(rawMsg.flags & Message::Redirected);
 321         BufferInfo bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, rawMsg.bufferType, rawMsg.target, createBuffer);
 322         if (!bufferInfo.isValid()) {
 323             Q_ASSERT(!createBuffer);
 324             bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, BufferInfo::StatusBuffer, "");
 325         }
 326         Message msg(bufferInfo, rawMsg.type, rawMsg.text, rawMsg.sender, rawMsg.flags);
 327         if(Core::storeMessage(msg))
 328             emit displayMsg(msg);
 329     }
 330     else {
 331         QHash<NetworkId, QHash<QString, BufferInfo> > bufferInfoCache;
 332         MessageList messages;
 333         QList<RawMessage> redirectedMessages; // list of Messages which don't enforce a buffer creation
 334         BufferInfo bufferInfo;
 335         for (int i = 0; i < _messageQueue.count(); i++) {
 336             const RawMessage &rawMsg = _messageQueue.at(i);
 337             if (bufferInfoCache.contains(rawMsg.networkId) && bufferInfoCache[rawMsg.networkId].contains(rawMsg.target)) {
 338                 bufferInfo = bufferInfoCache[rawMsg.networkId][rawMsg.target];
 339             }
 340             else {
 341                 bool createBuffer = !(rawMsg.flags & Message::Redirected);
 342                 bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, rawMsg.bufferType, rawMsg.target, createBuffer);
 343                 if (!bufferInfo.isValid()) {
 344                     Q_ASSERT(!createBuffer);
 345                     redirectedMessages << rawMsg;
 346                     continue;
 347                 }
 348                 bufferInfoCache[rawMsg.networkId][rawMsg.target] = bufferInfo;
 349             }
 350             Message msg(bufferInfo, rawMsg.type, rawMsg.text, rawMsg.sender, rawMsg.flags);
 351             messages << msg;
 352         }
 353
 354         // recheck if there exists a buffer to store a redirected message in
 355         for (int i = 0; i < redirectedMessages.count(); i++) {
 356             const RawMessage &rawMsg = redirectedMessages.at(i);
 357             if (bufferInfoCache.contains(rawMsg.networkId) && bufferInfoCache[rawMsg.networkId].contains(rawMsg.target)) {
 358                 bufferInfo = bufferInfoCache[rawMsg.networkId][rawMsg.target];
 359             }
 360             else {
 361                 // no luck -> we store them in the StatusBuffer
 362                 bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, BufferInfo::StatusBuffer, "");
 363                 // add the StatusBuffer to the Cache in case there are more Messages for the original target
 364                 bufferInfoCache[rawMsg.networkId][rawMsg.target] = bufferInfo;
 365             }
 366             Message msg(bufferInfo, rawMsg.type, rawMsg.text, rawMsg.sender, rawMsg.flags);
 367             messages << msg;
 368         }
 369
 370         if(Core::storeMessages(messages)) {
 371             // FIXME: extend protocol to a displayMessages(MessageList)
 372             for (int i = 0; i < messages.count(); i++) {
 373                 emit displayMsg(messages[i]);
 374             }
 375         }
 376     }
 377     _processMessages = false;
 378     _messageQueue.clear();
 379 }
 380
 381
 382 Protocol::SessionState CoreSession::sessionState() const
 383 {
 384     QVariantList bufferInfos;
 385     QVariantList networkIds;
 386     QVariantList identities;
 387
 388     foreach(const BufferInfo &id, buffers())
 389         bufferInfos << QVariant::fromValue(id);
 390     foreach(const NetworkId &id, _networks.keys())
 391         networkIds << QVariant::fromValue(id);
 392     foreach(const Identity *i, _identities.values())
 393         identities << QVariant::fromValue(*i);
 394
 395     return Protocol::SessionState(identities, bufferInfos, networkIds);
 396 }
 397
 398
 399 void CoreSession::initScriptEngine()
 400 {
 401     signalProxy()->attachSlot(SIGNAL(scriptRequest(QString)), this, SLOT(scriptRequest(QString)));
 402     signalProxy()->attachSignal(this, SIGNAL(scriptResult(QString)));
 403
 404     // FIXME
 405     //QScriptValue storage_ = scriptEngine->newQObject(storage);
 406     //scriptEngine->globalObject().setProperty("storage", storage_);
 407 }
 408
 409
 410 void CoreSession::scriptRequest(QString script)
 411 {
 412     emit scriptResult(scriptEngine->evaluate(script).toString());
 413 }
 414
 415
 416 /*** Identity Handling ***/
 417 void CoreSession::createIdentity(const Identity &identity, const QVariantMap &additional)
 418 {
 419 #ifndef HAVE_SSL
 420     Q_UNUSED(additional)
 421 #endif
 422
 423     CoreIdentity coreIdentity(identity);
 424 #ifdef HAVE_SSL
 425     if (additional.contains("KeyPem"))
 426         coreIdentity.setSslKey(additional["KeyPem"].toByteArray());
 427     if (additional.contains("CertPem"))
 428         coreIdentity.setSslCert(additional["CertPem"].toByteArray());
 429 #endif
 430     qDebug() << Q_FUNC_INFO;
 431     IdentityId id = Core::createIdentity(user(), coreIdentity);
 432     if (!id.isValid())
 433         return;
 434     else
 435         createIdentity(coreIdentity);
 436 }
 437
 438
 439 void CoreSession::createIdentity(const CoreIdentity &identity)
 440 {
 441     CoreIdentity *coreIdentity = new CoreIdentity(identity, this);
 442     _identities[identity.id()] = coreIdentity;
 443     // CoreIdentity has its own synchronize method since its "private" sslManager needs to be synced as well
 444     coreIdentity->synchronize(signalProxy());
 445     connect(coreIdentity, SIGNAL(updated()), this, SLOT(updateIdentityBySender()));
 446     emit identityCreated(*coreIdentity);
 447 }
 448
 449
 450 void CoreSession::updateIdentityBySender()
 451 {
 452     CoreIdentity *identity = qobject_cast<CoreIdentity *>(sender());
 453     if (!identity)
 454         return;
 455     Core::updateIdentity(user(), *identity);
 456 }
 457
 458
 459 void CoreSession::removeIdentity(IdentityId id)
 460 {
 461     CoreIdentity *identity = _identities.take(id);
 462     if (identity) {
 463         emit identityRemoved(id);
 464         Core::removeIdentity(user(), id);
 465         identity->deleteLater();
 466     }
 467 }
 468
 469
 470 /*** Network Handling ***/
 471
 472 void CoreSession::createNetwork(const NetworkInfo &info_, const QStringList &persistentChans)
 473 {
 474     NetworkInfo info = info_;
 475     int id;
 476
 477     if (!info.networkId.isValid())
 478         Core::createNetwork(user(), info);
 479
 480     if (!info.networkId.isValid()) {
 481         qWarning() << qPrintable(tr("CoreSession::createNetwork(): Got invalid networkId from Core when trying to create network %1!").arg(info.networkName));
 482         return;
 483     }
 484
 485     id = info.networkId.toInt();
 486     if (!_networks.contains(id)) {
 487         // create persistent chans
 488         QRegExp rx("\\s*(\\S+)(?:\\s*(\\S+))?\\s*");
 489         foreach(QString channel, persistentChans) {
 490             if (!rx.exactMatch(channel)) {
 491                 qWarning() << QString("Invalid persistent channel declaration: %1").arg(channel);
 492                 continue;
 493             }
 494             Core::bufferInfo(user(), info.networkId, BufferInfo::ChannelBuffer, rx.cap(1), true);
 495             Core::setChannelPersistent(user(), info.networkId, rx.cap(1), true);
 496             if (!rx.cap(2).isEmpty())
 497                 Core::setPersistentChannelKey(user(), info.networkId, rx.cap(1), rx.cap(2));
 498         }
 499
 500         CoreNetwork *net = new CoreNetwork(id, this);
 501         connect(net, SIGNAL(displayMsg(NetworkId, Message::Type, BufferInfo::Type, const QString &, const QString &, const QString &, Message::Flags)),
 502             SLOT(recvMessageFromServer(NetworkId, Message::Type, BufferInfo::Type, const QString &, const QString &, const QString &, Message::Flags)));
 503         connect(net, SIGNAL(displayStatusMsg(QString)), SLOT(recvStatusMsgFromServer(QString)));
 504         connect(net, SIGNAL(disconnected(NetworkId)), SIGNAL(networkDisconnected(NetworkId)));
 505
 506         net->setNetworkInfo(info);
 507         net->setProxy(signalProxy());
 508         _networks[id] = net;
 509         signalProxy()->synchronize(net);
 510         emit networkCreated(id);
 511     }
 512     else {
 513         qWarning() << qPrintable(tr("CoreSession::createNetwork(): Trying to create a network that already exists, updating instead!"));
 514         _networks[info.networkId]->requestSetNetworkInfo(info);
 515     }
 516 }
 517
 518
 519 void CoreSession::removeNetwork(NetworkId id)
 520 {
 521     // Make sure the network is disconnected!
 522     CoreNetwork *net = network(id);
 523     if (!net)
 524         return;
 525
 526     if (net->connectionState() != Network::Disconnected) {
 527         // make sure we no longer receive data from the tcp buffer
 528         disconnect(net, SIGNAL(displayMsg(NetworkId, Message::Type, BufferInfo::Type, const QString &, const QString &, const QString &, Message::Flags)), this, 0);
 529         disconnect(net, SIGNAL(displayStatusMsg(QString)), this, 0);
 530         connect(net, SIGNAL(disconnected(NetworkId)), this, SLOT(destroyNetwork(NetworkId)));
 531         net->disconnectFromIrc();
 532     }
 533     else {
 534         destroyNetwork(id);
 535     }
 536 }
 537
 538
 539 void CoreSession::destroyNetwork(NetworkId id)
 540 {
 541     QList<BufferId> removedBuffers = Core::requestBufferIdsForNetwork(user(), id);
 542     Network *net = _networks.take(id);
 543     if (net && Core::removeNetwork(user(), id)) {
 544         // make sure that all unprocessed RawMessages from this network are removed
 545         QList<RawMessage>::iterator messageIter = _messageQueue.begin();
 546         while (messageIter != _messageQueue.end()) {
 547             if (messageIter->networkId == id) {
 548                 messageIter = _messageQueue.erase(messageIter);
 549             }
 550             else {
 551                 ++messageIter;
 552             }
 553         }
 554         // remove buffers from syncer
 555         foreach(BufferId bufferId, removedBuffers) {
 556             _bufferSyncer->removeBuffer(bufferId);
 557         }
 558         emit networkRemoved(id);
 559         net->deleteLater();
 560     }
 561 }
 562
 563
 564 void CoreSession::renameBuffer(const NetworkId &networkId, const QString &newName, const QString &oldName)
 565 {
 566     BufferInfo bufferInfo = Core::bufferInfo(user(), networkId, BufferInfo::QueryBuffer, oldName, false);
 567     if (bufferInfo.isValid()) {
 568         _bufferSyncer->renameBuffer(bufferInfo.bufferId(), newName);
 569     }
 570 }
 571
 572
 573 void CoreSession::clientsConnected()
 574 {
 575     QHash<NetworkId, CoreNetwork *>::iterator netIter = _networks.begin();
 576     Identity *identity = 0;
 577     CoreNetwork *net = 0;
 578     IrcUser *me = 0;
 579     while (netIter != _networks.end()) {
 580         net = *netIter;
 581         ++netIter;
 582
 583         if (!net->isConnected())
 584             continue;
 585         identity = net->identityPtr();
 586         if (!identity)
 587             continue;
 588         me = net->me();
 589         if (!me)
 590             continue;
 591
 592         if (identity->detachAwayEnabled() && me->isAway()) {
 593             net->userInputHandler()->handleAway(BufferInfo(), QString());
 594         }
 595     }
 596 }
 597
 598
 599 void CoreSession::clientsDisconnected()
 600 {
 601     QHash<NetworkId, CoreNetwork *>::iterator netIter = _networks.begin();
 602     Identity *identity = 0;
 603     CoreNetwork *net = 0;
 604     IrcUser *me = 0;
 605     QString awayReason;
 606     while (netIter != _networks.end()) {
 607         net = *netIter;
 608         ++netIter;
 609
 610         if (!net->isConnected())
 611             continue;
 612
 613         identity = net->identityPtr();
 614         if (!identity)
 615             continue;
 616         me = net->me();
 617         if (!me)
 618             continue;
 619
 620         if (identity->detachAwayEnabled() && !me->isAway()) {
 621             if (!identity->detachAwayReason().isEmpty())
 622                 awayReason = identity->detachAwayReason();
 623             net->setAutoAwayActive(true);
 624             net->userInputHandler()->handleAway(BufferInfo(), awayReason);
 625         }
 626     }
 627 }
 628
 629
 630 void CoreSession::globalAway(const QString &msg)
 631 {
 632     QHash<NetworkId, CoreNetwork *>::iterator netIter = _networks.begin();
 633     CoreNetwork *net = 0;
 634     while (netIter != _networks.end()) {
 635         net = *netIter;
 636         ++netIter;
 637
 638         if (!net->isConnected())
 639             continue;
 640
 641         net->userInputHandler()->issueAway(msg, false /* no force away */);
 642     }
 643 }
 644
 645 void CoreSession::changePassword(PeerPtr peer, const QString &userName, const QString &oldPassword, const QString &newPassword)
 646 {
 647     bool success = false;
 648     UserId uid = Core::validateUser(userName, oldPassword);
 649     if (uid.isValid() && uid == user())
 650         success = Core::changeUserPassword(uid, newPassword);
 651
 652     emit passwordChanged(peer, success);
 653 }