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     loadSettings();
 104     initScriptEngine();
 105
 106     eventManager()->registerObject(ircParser(), EventManager::NormalPriority);
 107     eventManager()->registerObject(sessionEventProcessor(), EventManager::HighPriority); // needs to process events *before* the stringifier!
 108     eventManager()->registerObject(ctcpParser(), EventManager::NormalPriority);
 109     eventManager()->registerObject(eventStringifier(), EventManager::NormalPriority);
 110     eventManager()->registerObject(this, EventManager::LowPriority); // for sending MessageEvents to the client
 111     // some events need to be handled after msg generation
 112     eventManager()->registerObject(sessionEventProcessor(), EventManager::LowPriority, "lateProcess");
 113     eventManager()->registerObject(ctcpParser(), EventManager::LowPriority, "send");
 114
 115     // periodically save our session state
 116     connect(&(Core::instance()->syncTimer()), SIGNAL(timeout()), this, SLOT(saveSessionState()));
 117
 118     p->synchronize(_bufferSyncer);
 119     p->synchronize(&aliasManager());
 120     p->synchronize(_backlogManager);
 121     p->synchronize(ircListHelper());
 122     p->synchronize(networkConfig());
 123     p->synchronize(&_coreInfo);
 124     p->synchronize(&_ignoreListManager);
 125     p->synchronize(transferManager());
 126     // Restore session state
 127     if (restoreState)
 128         restoreSessionState();
 129
 130     emit initialized();
 131 }
 132
 133
 134 CoreSession::~CoreSession()
 135 {
 136     saveSessionState();
 137     foreach(CoreNetwork *net, _networks.values()) {
 138         delete net;
 139     }
 140 }
 141
 142
 143 CoreNetwork *CoreSession::network(NetworkId id) const
 144 {
 145     if (_networks.contains(id)) return _networks[id];
 146     return 0;
 147 }
 148
 149
 150 CoreIdentity *CoreSession::identity(IdentityId id) const
 151 {
 152     if (_identities.contains(id)) return _identities[id];
 153     return 0;
 154 }
 155
 156
 157 void CoreSession::loadSettings()
 158 {
 159     CoreUserSettings s(user());
 160
 161     // migrate to db
 162     QList<IdentityId> ids = s.identityIds();
 163     QList<NetworkInfo> networkInfos = Core::networks(user());
 164     foreach(IdentityId id, ids) {
 165         CoreIdentity identity(s.identity(id));
 166         IdentityId newId = Core::createIdentity(user(), identity);
 167         QList<NetworkInfo>::iterator networkIter = networkInfos.begin();
 168         while (networkIter != networkInfos.end()) {
 169             if (networkIter->identity == id) {
 170                 networkIter->identity = newId;
 171                 Core::updateNetwork(user(), *networkIter);
 172                 networkIter = networkInfos.erase(networkIter);
 173             }
 174             else {
 175                 networkIter++;
 176             }
 177         }
 178         s.removeIdentity(id);
 179     }
 180     // end of migration
 181
 182     foreach(CoreIdentity identity, Core::identities(user())) {
 183         createIdentity(identity);
 184     }
 185
 186     foreach(NetworkInfo info, Core::networks(user())) {
 187         createNetwork(info);
 188     }
 189 }
 190
 191
 192 void CoreSession::saveSessionState() const
 193 {
 194     _bufferSyncer->storeDirtyIds();
 195     _bufferViewManager->saveBufferViews();
 196     _networkConfig->save();
 197 }
 198
 199
 200 void CoreSession::restoreSessionState()
 201 {
 202     QList<NetworkId> nets = Core::connectedNetworks(user());
 203     CoreNetwork *net = 0;
 204     foreach(NetworkId id, nets) {
 205         net = network(id);
 206         Q_ASSERT(net);
 207         net->connectToIrc();
 208     }
 209 }
 210
 211
 212 void CoreSession::addClient(RemotePeer *peer)
 213 {
 214     peer->dispatch(sessionState());
 215     signalProxy()->addPeer(peer);
 216 }
 217
 218
 219 void CoreSession::addClient(InternalPeer *peer)
 220 {
 221     signalProxy()->addPeer(peer);
 222     emit sessionState(sessionState());
 223 }
 224
 225
 226 void CoreSession::removeClient(Peer *peer)
 227 {
 228     RemotePeer *p = qobject_cast<RemotePeer *>(peer);
 229     if (p)
 230         quInfo() << qPrintable(tr("Client")) << p->description() << qPrintable(tr("disconnected (UserId: %1).").arg(user().toInt()));
 231 }
 232
 233
 234 QHash<QString, QString> CoreSession::persistentChannels(NetworkId id) const
 235 {
 236     return Core::persistentChannels(user(), id);
 237 }
 238
 239
 240 // FIXME switch to BufferId
 241 void CoreSession::msgFromClient(BufferInfo bufinfo, QString msg)
 242 {
 243     CoreNetwork *net = network(bufinfo.networkId());
 244     if (net) {
 245         net->userInput(bufinfo, msg);
 246     }
 247     else {
 248         qWarning() << "Trying to send to unconnected network:" << msg;
 249     }
 250 }
 251
 252
 253 // ALL messages coming pass through these functions before going to the GUI.
 254 // So this is the perfect place for storing the backlog and log stuff.
 255 void CoreSession::recvMessageFromServer(NetworkId networkId, Message::Type type, BufferInfo::Type bufferType,
 256     const QString &target, const QString &text_, const QString &sender, Message::Flags flags)
 257 {
 258     // U+FDD0 and U+FDD1 are special characters for Qt's text engine, specifically they mark the boundaries of
 259     // text frames in a QTextDocument. This might lead to problems in widgets displaying QTextDocuments (such as
 260     // KDE's notifications), hence we remove those just to be safe.
 261     QString text = text_;
 262     text.remove(QChar(0xfdd0)).remove(QChar(0xfdd1));
 263     RawMessage rawMsg(networkId, type, bufferType, target, text, sender, flags);
 264
 265     // check for HardStrictness ignore
 266     CoreNetwork *currentNetwork = network(networkId);
 267     QString networkName = currentNetwork ? currentNetwork->networkName() : QString("");
 268     if (_ignoreListManager.match(rawMsg, networkName) == IgnoreListManager::HardStrictness)
 269         return;
 270
 271     _messageQueue << rawMsg;
 272     if (!_processMessages) {
 273         _processMessages = true;
 274         QCoreApplication::postEvent(this, new ProcessMessagesEvent());
 275     }
 276 }
 277
 278
 279 void CoreSession::recvStatusMsgFromServer(QString msg)
 280 {
 281     CoreNetwork *net = qobject_cast<CoreNetwork *>(sender());
 282     Q_ASSERT(net);
 283     emit displayStatusMsg(net->networkName(), msg);
 284 }
 285
 286
 287 void CoreSession::processMessageEvent(MessageEvent *event)
 288 {
 289     recvMessageFromServer(event->networkId(), event->msgType(), event->bufferType(),
 290         event->target().isNull() ? "" : event->target(),
 291         event->text().isNull() ? "" : event->text(),
 292         event->sender().isNull() ? "" : event->sender(),
 293         event->msgFlags());
 294 }
 295
 296
 297 QList<BufferInfo> CoreSession::buffers() const
 298 {
 299     return Core::requestBuffers(user());
 300 }
 301
 302
 303 void CoreSession::customEvent(QEvent *event)
 304 {
 305     if (event->type() != QEvent::User)
 306         return;
 307
 308     processMessages();
 309     event->accept();
 310 }
 311
 312
 313 void CoreSession::processMessages()
 314 {
 315     if (_messageQueue.count() == 1) {
 316         const RawMessage &rawMsg = _messageQueue.first();
 317         bool createBuffer = !(rawMsg.flags & Message::Redirected);
 318         BufferInfo bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, rawMsg.bufferType, rawMsg.target, createBuffer);
 319         if (!bufferInfo.isValid()) {
 320             Q_ASSERT(!createBuffer);
 321             bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, BufferInfo::StatusBuffer, "");
 322         }
 323         Message msg(bufferInfo, rawMsg.type, rawMsg.text, rawMsg.sender, rawMsg.flags);
 324         if(Core::storeMessage(msg))
 325             emit displayMsg(msg);
 326     }
 327     else {
 328         QHash<NetworkId, QHash<QString, BufferInfo> > bufferInfoCache;
 329         MessageList messages;
 330         QList<RawMessage> redirectedMessages; // list of Messages which don't enforce a buffer creation
 331         BufferInfo bufferInfo;
 332         for (int i = 0; i < _messageQueue.count(); i++) {
 333             const RawMessage &rawMsg = _messageQueue.at(i);
 334             if (bufferInfoCache.contains(rawMsg.networkId) && bufferInfoCache[rawMsg.networkId].contains(rawMsg.target)) {
 335                 bufferInfo = bufferInfoCache[rawMsg.networkId][rawMsg.target];
 336             }
 337             else {
 338                 bool createBuffer = !(rawMsg.flags & Message::Redirected);
 339                 bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, rawMsg.bufferType, rawMsg.target, createBuffer);
 340                 if (!bufferInfo.isValid()) {
 341                     Q_ASSERT(!createBuffer);
 342                     redirectedMessages << rawMsg;
 343                     continue;
 344                 }
 345                 bufferInfoCache[rawMsg.networkId][rawMsg.target] = bufferInfo;
 346             }
 347             Message msg(bufferInfo, rawMsg.type, rawMsg.text, rawMsg.sender, rawMsg.flags);
 348             messages << msg;
 349         }
 350
 351         // recheck if there exists a buffer to store a redirected message in
 352         for (int i = 0; i < redirectedMessages.count(); i++) {
 353             const RawMessage &rawMsg = redirectedMessages.at(i);
 354             if (bufferInfoCache.contains(rawMsg.networkId) && bufferInfoCache[rawMsg.networkId].contains(rawMsg.target)) {
 355                 bufferInfo = bufferInfoCache[rawMsg.networkId][rawMsg.target];
 356             }
 357             else {
 358                 // no luck -> we store them in the StatusBuffer
 359                 bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, BufferInfo::StatusBuffer, "");
 360                 // add the StatusBuffer to the Cache in case there are more Messages for the original target
 361                 bufferInfoCache[rawMsg.networkId][rawMsg.target] = bufferInfo;
 362             }
 363             Message msg(bufferInfo, rawMsg.type, rawMsg.text, rawMsg.sender, rawMsg.flags);
 364             messages << msg;
 365         }
 366
 367         if(Core::storeMessages(messages)) {
 368             // FIXME: extend protocol to a displayMessages(MessageList)
 369             for (int i = 0; i < messages.count(); i++) {
 370                 emit displayMsg(messages[i]);
 371             }
 372         }
 373     }
 374     _processMessages = false;
 375     _messageQueue.clear();
 376 }
 377
 378
 379 Protocol::SessionState CoreSession::sessionState() const
 380 {
 381     QVariantList bufferInfos;
 382     QVariantList networkIds;
 383     QVariantList identities;
 384
 385     foreach(const BufferInfo &id, buffers())
 386         bufferInfos << QVariant::fromValue(id);
 387     foreach(const NetworkId &id, _networks.keys())
 388         networkIds << QVariant::fromValue(id);
 389     foreach(const Identity *i, _identities.values())
 390         identities << QVariant::fromValue(*i);
 391
 392     return Protocol::SessionState(identities, bufferInfos, networkIds);
 393 }
 394
 395
 396 void CoreSession::initScriptEngine()
 397 {
 398     signalProxy()->attachSlot(SIGNAL(scriptRequest(QString)), this, SLOT(scriptRequest(QString)));
 399     signalProxy()->attachSignal(this, SIGNAL(scriptResult(QString)));
 400
 401     // FIXME
 402     //QScriptValue storage_ = scriptEngine->newQObject(storage);
 403     //scriptEngine->globalObject().setProperty("storage", storage_);
 404 }
 405
 406
 407 void CoreSession::scriptRequest(QString script)
 408 {
 409     emit scriptResult(scriptEngine->evaluate(script).toString());
 410 }
 411
 412
 413 /*** Identity Handling ***/
 414 void CoreSession::createIdentity(const Identity &identity, const QVariantMap &additional)
 415 {
 416 #ifndef HAVE_SSL
 417     Q_UNUSED(additional)
 418 #endif
 419
 420     CoreIdentity coreIdentity(identity);
 421 #ifdef HAVE_SSL
 422     if (additional.contains("KeyPem"))
 423         coreIdentity.setSslKey(additional["KeyPem"].toByteArray());
 424     if (additional.contains("CertPem"))
 425         coreIdentity.setSslCert(additional["CertPem"].toByteArray());
 426 #endif
 427     qDebug() << Q_FUNC_INFO;
 428     IdentityId id = Core::createIdentity(user(), coreIdentity);
 429     if (!id.isValid())
 430         return;
 431     else
 432         createIdentity(coreIdentity);
 433 }
 434
 435
 436 void CoreSession::createIdentity(const CoreIdentity &identity)
 437 {
 438     CoreIdentity *coreIdentity = new CoreIdentity(identity, this);
 439     _identities[identity.id()] = coreIdentity;
 440     // CoreIdentity has its own synchronize method since its "private" sslManager needs to be synced as well
 441     coreIdentity->synchronize(signalProxy());
 442     connect(coreIdentity, SIGNAL(updated()), this, SLOT(updateIdentityBySender()));
 443     emit identityCreated(*coreIdentity);
 444 }
 445
 446
 447 void CoreSession::updateIdentityBySender()
 448 {
 449     CoreIdentity *identity = qobject_cast<CoreIdentity *>(sender());
 450     if (!identity)
 451         return;
 452     Core::updateIdentity(user(), *identity);
 453 }
 454
 455
 456 void CoreSession::removeIdentity(IdentityId id)
 457 {
 458     CoreIdentity *identity = _identities.take(id);
 459     if (identity) {
 460         emit identityRemoved(id);
 461         Core::removeIdentity(user(), id);
 462         identity->deleteLater();
 463     }
 464 }
 465
 466
 467 /*** Network Handling ***/
 468
 469 void CoreSession::createNetwork(const NetworkInfo &info_, const QStringList &persistentChans)
 470 {
 471     NetworkInfo info = info_;
 472     int id;
 473
 474     if (!info.networkId.isValid())
 475         Core::createNetwork(user(), info);
 476
 477     if (!info.networkId.isValid()) {
 478         qWarning() << qPrintable(tr("CoreSession::createNetwork(): Got invalid networkId from Core when trying to create network %1!").arg(info.networkName));
 479         return;
 480     }
 481
 482     id = info.networkId.toInt();
 483     if (!_networks.contains(id)) {
 484         // create persistent chans
 485         QRegExp rx("\\s*(\\S+)(?:\\s*(\\S+))?\\s*");
 486         foreach(QString channel, persistentChans) {
 487             if (!rx.exactMatch(channel)) {
 488                 qWarning() << QString("Invalid persistent channel declaration: %1").arg(channel);
 489                 continue;
 490             }
 491             Core::bufferInfo(user(), info.networkId, BufferInfo::ChannelBuffer, rx.cap(1), true);
 492             Core::setChannelPersistent(user(), info.networkId, rx.cap(1), true);
 493             if (!rx.cap(2).isEmpty())
 494                 Core::setPersistentChannelKey(user(), info.networkId, rx.cap(1), rx.cap(2));
 495         }
 496
 497         CoreNetwork *net = new CoreNetwork(id, this);
 498         connect(net, SIGNAL(displayMsg(NetworkId, Message::Type, BufferInfo::Type, const QString &, const QString &, const QString &, Message::Flags)),
 499             SLOT(recvMessageFromServer(NetworkId, Message::Type, BufferInfo::Type, const QString &, const QString &, const QString &, Message::Flags)));
 500         connect(net, SIGNAL(displayStatusMsg(QString)), SLOT(recvStatusMsgFromServer(QString)));
 501         connect(net, SIGNAL(disconnected(NetworkId)), SIGNAL(networkDisconnected(NetworkId)));
 502
 503         net->setNetworkInfo(info);
 504         net->setProxy(signalProxy());
 505         _networks[id] = net;
 506         signalProxy()->synchronize(net);
 507         emit networkCreated(id);
 508     }
 509     else {
 510         qWarning() << qPrintable(tr("CoreSession::createNetwork(): Trying to create a network that already exists, updating instead!"));
 511         _networks[info.networkId]->requestSetNetworkInfo(info);
 512     }
 513 }
 514
 515
 516 void CoreSession::removeNetwork(NetworkId id)
 517 {
 518     // Make sure the network is disconnected!
 519     CoreNetwork *net = network(id);
 520     if (!net)
 521         return;
 522
 523     if (net->connectionState() != Network::Disconnected) {
 524         // make sure we no longer receive data from the tcp buffer
 525         disconnect(net, SIGNAL(displayMsg(NetworkId, Message::Type, BufferInfo::Type, const QString &, const QString &, const QString &, Message::Flags)), this, 0);
 526         disconnect(net, SIGNAL(displayStatusMsg(QString)), this, 0);
 527         connect(net, SIGNAL(disconnected(NetworkId)), this, SLOT(destroyNetwork(NetworkId)));
 528         net->disconnectFromIrc();
 529     }
 530     else {
 531         destroyNetwork(id);
 532     }
 533 }
 534
 535
 536 void CoreSession::destroyNetwork(NetworkId id)
 537 {
 538     QList<BufferId> removedBuffers = Core::requestBufferIdsForNetwork(user(), id);
 539     Network *net = _networks.take(id);
 540     if (net && Core::removeNetwork(user(), id)) {
 541         // make sure that all unprocessed RawMessages from this network are removed
 542         QList<RawMessage>::iterator messageIter = _messageQueue.begin();
 543         while (messageIter != _messageQueue.end()) {
 544             if (messageIter->networkId == id) {
 545                 messageIter = _messageQueue.erase(messageIter);
 546             }
 547             else {
 548                 messageIter++;
 549             }
 550         }
 551         // remove buffers from syncer
 552         foreach(BufferId bufferId, removedBuffers) {
 553             _bufferSyncer->removeBuffer(bufferId);
 554         }
 555         emit networkRemoved(id);
 556         net->deleteLater();
 557     }
 558 }
 559
 560
 561 void CoreSession::renameBuffer(const NetworkId &networkId, const QString &newName, const QString &oldName)
 562 {
 563     BufferInfo bufferInfo = Core::bufferInfo(user(), networkId, BufferInfo::QueryBuffer, oldName, false);
 564     if (bufferInfo.isValid()) {
 565         _bufferSyncer->renameBuffer(bufferInfo.bufferId(), newName);
 566     }
 567 }
 568
 569
 570 void CoreSession::clientsConnected()
 571 {
 572     QHash<NetworkId, CoreNetwork *>::iterator netIter = _networks.begin();
 573     Identity *identity = 0;
 574     CoreNetwork *net = 0;
 575     IrcUser *me = 0;
 576     while (netIter != _networks.end()) {
 577         net = *netIter;
 578         netIter++;
 579
 580         if (!net->isConnected())
 581             continue;
 582         identity = net->identityPtr();
 583         if (!identity)
 584             continue;
 585         me = net->me();
 586         if (!me)
 587             continue;
 588
 589         if (identity->detachAwayEnabled() && me->isAway()) {
 590             net->userInputHandler()->handleAway(BufferInfo(), QString());
 591         }
 592     }
 593 }
 594
 595
 596 void CoreSession::clientsDisconnected()
 597 {
 598     QHash<NetworkId, CoreNetwork *>::iterator netIter = _networks.begin();
 599     Identity *identity = 0;
 600     CoreNetwork *net = 0;
 601     IrcUser *me = 0;
 602     QString awayReason;
 603     while (netIter != _networks.end()) {
 604         net = *netIter;
 605         netIter++;
 606
 607         if (!net->isConnected())
 608             continue;
 609
 610         identity = net->identityPtr();
 611         if (!identity)
 612             continue;
 613         me = net->me();
 614         if (!me)
 615             continue;
 616
 617         if (identity->detachAwayEnabled() && !me->isAway()) {
 618             if (!identity->detachAwayReason().isEmpty())
 619                 awayReason = identity->detachAwayReason();
 620             net->setAutoAwayActive(true);
 621             net->userInputHandler()->handleAway(BufferInfo(), awayReason);
 622         }
 623     }
 624 }
 625
 626
 627 void CoreSession::globalAway(const QString &msg)
 628 {
 629     QHash<NetworkId, CoreNetwork *>::iterator netIter = _networks.begin();
 630     CoreNetwork *net = 0;
 631     while (netIter != _networks.end()) {
 632         net = *netIter;
 633         netIter++;
 634
 635         if (!net->isConnected())
 636             continue;
 637
 638         net->userInputHandler()->issueAway(msg, false /* no force away */);
 639     }
 640 }