src/core/coresession.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2019 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 <utility>
  24
  25 #include <QtScript>
  26
  27 #include "core.h"
  28 #include "corebacklogmanager.h"
  29 #include "corebuffersyncer.h"
  30 #include "corebufferviewmanager.h"
  31 #include "coredccconfig.h"
  32 #include "coreeventmanager.h"
  33 #include "coreidentity.h"
  34 #include "coreignorelistmanager.h"
  35 #include "coreinfo.h"
  36 #include "coreirclisthelper.h"
  37 #include "corenetwork.h"
  38 #include "corenetworkconfig.h"
  39 #include "coresessioneventprocessor.h"
  40 #include "coretransfermanager.h"
  41 #include "coreuserinputhandler.h"
  42 #include "coreusersettings.h"
  43 #include "ctcpparser.h"
  44 #include "eventstringifier.h"
  45 #include "internalpeer.h"
  46 #include "ircchannel.h"
  47 #include "ircparser.h"
  48 #include "ircuser.h"
  49 #include "messageevent.h"
  50 #include "remotepeer.h"
  51 #include "storage.h"
  52 #include "util.h"
  53
  54 class ProcessMessagesEvent : public QEvent
  55 {
  56 public:
  57     ProcessMessagesEvent()
  58         : QEvent(QEvent::User)
  59     {}
  60 };
  61
  62 CoreSession::CoreSession(UserId uid, bool restoreState, bool strictIdentEnabled, QObject* parent)
  63     : QObject(parent)
  64     , _user(uid)
  65     , _strictIdentEnabled(strictIdentEnabled)
  66     , _signalProxy(new SignalProxy(SignalProxy::Server, this))
  67     , _aliasManager(this)
  68     , _bufferSyncer(new CoreBufferSyncer(this))
  69     , _backlogManager(new CoreBacklogManager(this))
  70     , _bufferViewManager(new CoreBufferViewManager(_signalProxy, this))
  71     , _dccConfig(new CoreDccConfig(this))
  72     , _ircListHelper(new CoreIrcListHelper(this))
  73     , _networkConfig(new CoreNetworkConfig("GlobalNetworkConfig", this))
  74     , _coreInfo(new CoreInfo(this))
  75     , _transferManager(new CoreTransferManager(this))
  76     , _eventManager(new CoreEventManager(this))
  77     , _eventStringifier(new EventStringifier(this))
  78     , _sessionEventProcessor(new CoreSessionEventProcessor(this))
  79     , _ctcpParser(new CtcpParser(this))
  80     , _ircParser(new IrcParser(this))
  81     , scriptEngine(new QScriptEngine(this))
  82     , _processMessages(false)
  83     , _ignoreListManager(this)
  84     , _highlightRuleManager(this)
  85     , _metricsServer(Core::instance()->metricsServer())
  86 {
  87     SignalProxy* p = signalProxy();
  88     p->setHeartBeatInterval(30);
  89     p->setMaxHeartBeatCount(60);  // 30 mins until we throw a dead socket out
  90
  91     connect(p, &SignalProxy::peerRemoved, this, &CoreSession::removeClient);
  92
  93     connect(p, &SignalProxy::connected, this, &CoreSession::clientsConnected);
  94     connect(p, &SignalProxy::disconnected, this, &CoreSession::clientsDisconnected);
  95
  96     p->attachSlot(SIGNAL(sendInput(BufferInfo,QString)), this, &CoreSession::msgFromClient);
  97     p->attachSignal(this, &CoreSession::displayMsg);
  98     p->attachSignal(this, &CoreSession::displayStatusMsg);
  99
 100     p->attachSignal(this, &CoreSession::identityCreated);
 101     p->attachSignal(this, &CoreSession::identityRemoved);
 102     p->attachSlot(SIGNAL(createIdentity(Identity,QVariantMap)), this, selectOverload<const Identity&, const QVariantMap&>(&CoreSession::createIdentity));
 103     p->attachSlot(SIGNAL(removeIdentity(IdentityId)), this, &CoreSession::removeIdentity);
 104
 105     p->attachSignal(this, &CoreSession::networkCreated);
 106     p->attachSignal(this, &CoreSession::networkRemoved);
 107     p->attachSlot(SIGNAL(createNetwork(NetworkInfo,QStringList)), this,&CoreSession::createNetwork);
 108     p->attachSlot(SIGNAL(removeNetwork(NetworkId)), this, &CoreSession::removeNetwork);
 109
 110     p->attachSlot(SIGNAL(changePassword(PeerPtr,QString,QString,QString)), this, &CoreSession::changePassword);
 111     p->attachSignal(this, &CoreSession::passwordChanged);
 112
 113     p->attachSlot(SIGNAL(kickClient(int)), this, &CoreSession::kickClient);
 114     p->attachSignal(this, &CoreSession::disconnectFromCore);
 115
 116     QVariantMap data;
 117     data["quasselVersion"] = Quassel::buildInfo().fancyVersionString;
 118     data["quasselBuildDate"] = Quassel::buildInfo().commitDate;  // "BuildDate" for compatibility
 119     data["startTime"] = Core::startTime();
 120     data["sessionConnectedClients"] = 0;
 121     _coreInfo->setCoreData(data);
 122
 123     loadSettings();
 124     initScriptEngine();
 125
 126     eventManager()->registerObject(ircParser(), EventManager::NormalPriority);
 127     eventManager()->registerObject(sessionEventProcessor(), EventManager::HighPriority);  // needs to process events *before* the stringifier!
 128     eventManager()->registerObject(ctcpParser(), EventManager::NormalPriority);
 129     eventManager()->registerObject(eventStringifier(), EventManager::NormalPriority);
 130     eventManager()->registerObject(this, EventManager::LowPriority);  // for sending MessageEvents to the client
 131     // some events need to be handled after msg generation
 132     eventManager()->registerObject(sessionEventProcessor(), EventManager::LowPriority, "lateProcess");
 133     eventManager()->registerObject(ctcpParser(), EventManager::LowPriority, "send");
 134
 135     // periodically save our session state
 136     connect(Core::syncTimer(), &QTimer::timeout, this, &CoreSession::saveSessionState);
 137
 138     p->synchronize(_bufferSyncer);
 139     p->synchronize(&aliasManager());
 140     p->synchronize(_backlogManager);
 141     p->synchronize(dccConfig());
 142     p->synchronize(ircListHelper());
 143     p->synchronize(networkConfig());
 144     p->synchronize(_coreInfo);
 145     p->synchronize(&_ignoreListManager);
 146     p->synchronize(&_highlightRuleManager);
 147     // Listen to network removed events
 148     connect(this, &CoreSession::networkRemoved, &_highlightRuleManager, &HighlightRuleManager::networkRemoved);
 149     p->synchronize(transferManager());
 150     // Restore session state
 151     if (restoreState)
 152         restoreSessionState();
 153
 154     emit initialized();
 155
 156     if (_metricsServer) {
 157         _metricsServer->addSession(user(), Core::instance()->strictSysIdent(_user));
 158     }
 159 }
 160
 161 void CoreSession::shutdown()
 162 {
 163     saveSessionState();
 164
 165     // Request disconnect from all connected networks in parallel, and wait until every network
 166     // has emitted the disconnected() signal before deleting the session itself
 167     for (CoreNetwork* net : _networks.values()) {
 168         if (net->socketState() != QAbstractSocket::UnconnectedState) {
 169             _networksPendingDisconnect.insert(net->networkId());
 170             connect(net, &CoreNetwork::disconnected, this, &CoreSession::onNetworkDisconnected);
 171             net->shutdown();
 172         }
 173     }
 174
 175     if (_networksPendingDisconnect.isEmpty()) {
 176         // Nothing to do, suicide so the core can shut down
 177         deleteLater();
 178     }
 179
 180     if (_metricsServer) {
 181         _metricsServer->removeSession(user());
 182     }
 183 }
 184
 185 void CoreSession::onNetworkDisconnected(NetworkId networkId)
 186 {
 187     _networksPendingDisconnect.remove(networkId);
 188     if (_networksPendingDisconnect.isEmpty()) {
 189         // We're done, suicide so the core can shut down
 190         deleteLater();
 191     }
 192 }
 193
 194 CoreNetwork* CoreSession::network(NetworkId id) const
 195 {
 196     if (_networks.contains(id))
 197         return _networks[id];
 198     return nullptr;
 199 }
 200
 201 CoreIdentity* CoreSession::identity(IdentityId id) const
 202 {
 203     if (_identities.contains(id))
 204         return _identities[id];
 205     return nullptr;
 206 }
 207
 208 void CoreSession::loadSettings()
 209 {
 210     CoreUserSettings s(user());
 211
 212     // migrate to db
 213     QList<IdentityId> ids = s.identityIds();
 214     QList<NetworkInfo> networkInfos = Core::networks(user());
 215     for (IdentityId id : ids) {
 216         CoreIdentity identity(s.identity(id));
 217         IdentityId newId = Core::createIdentity(user(), identity);
 218         QList<NetworkInfo>::iterator networkIter = networkInfos.begin();
 219         while (networkIter != networkInfos.end()) {
 220             if (networkIter->identity == id) {
 221                 networkIter->identity = newId;
 222                 Core::updateNetwork(user(), *networkIter);
 223                 networkIter = networkInfos.erase(networkIter);
 224             }
 225             else {
 226                 ++networkIter;
 227             }
 228         }
 229         s.removeIdentity(id);
 230     }
 231     // end of migration
 232
 233     for (const CoreIdentity& identity : Core::identities(user())) {
 234         createIdentity(identity);
 235     }
 236
 237     for (const NetworkInfo& info : Core::networks(user())) {
 238         createNetwork(info);
 239     }
 240 }
 241
 242 void CoreSession::saveSessionState() const
 243 {
 244     _bufferSyncer->storeDirtyIds();
 245     _bufferViewManager->saveBufferViews();
 246     _networkConfig->save();
 247 }
 248
 249 void CoreSession::restoreSessionState()
 250 {
 251     QList<NetworkId> nets = Core::connectedNetworks(user());
 252     CoreNetwork* net = nullptr;
 253     for (NetworkId id :  nets) {
 254         net = network(id);
 255         Q_ASSERT(net);
 256         net->connectToIrc();
 257     }
 258 }
 259
 260 void CoreSession::addClient(RemotePeer* peer)
 261 {
 262     signalProxy()->setTargetPeer(peer);
 263
 264     peer->dispatch(sessionState());
 265     signalProxy()->addPeer(peer);
 266     _coreInfo->setConnectedClientData(signalProxy()->peerCount(), signalProxy()->peerData());
 267
 268     signalProxy()->setTargetPeer(nullptr);
 269
 270     if (_metricsServer) {
 271         _metricsServer->addClient(user());
 272     }
 273 }
 274
 275 void CoreSession::addClient(InternalPeer* peer)
 276 {
 277     signalProxy()->addPeer(peer);
 278     emit sessionStateReceived(sessionState());
 279 }
 280
 281 void CoreSession::removeClient(Peer* peer)
 282 {
 283     auto* p = qobject_cast<RemotePeer*>(peer);
 284     if (p)
 285         qInfo() << qPrintable(tr("Client")) << p->description() << qPrintable(tr("disconnected (UserId: %1).").arg(user().toInt()));
 286     _coreInfo->setConnectedClientData(signalProxy()->peerCount(), signalProxy()->peerData());
 287
 288     if (_metricsServer) {
 289         _metricsServer->removeClient(user());
 290     }
 291 }
 292
 293 QHash<QString, QString> CoreSession::persistentChannels(NetworkId id) const
 294 {
 295     return Core::persistentChannels(user(), id);
 296 }
 297
 298 QHash<QString, QByteArray> CoreSession::bufferCiphers(NetworkId id) const
 299 {
 300     return Core::bufferCiphers(user(), id);
 301 }
 302
 303 void CoreSession::setBufferCipher(NetworkId id, const QString& bufferName, const QByteArray& cipher) const
 304 {
 305     Core::setBufferCipher(user(), id, bufferName, cipher);
 306 }
 307
 308 // FIXME switch to BufferId
 309 void CoreSession::msgFromClient(BufferInfo bufinfo, QString msg)
 310 {
 311     CoreNetwork* net = network(bufinfo.networkId());
 312     if (net) {
 313         net->userInput(bufinfo, msg);
 314     }
 315     else {
 316         qWarning() << "Trying to send to unconnected network:" << msg;
 317     }
 318 }
 319
 320 // ALL messages coming pass through these functions before going to the GUI.
 321 // So this is the perfect place for storing the backlog and log stuff.
 322 void CoreSession::recvMessageFromServer(RawMessage msg)
 323 {
 324     // U+FDD0 and U+FDD1 are special characters for Qt's text engine, specifically they mark the boundaries of
 325     // text frames in a QTextDocument. This might lead to problems in widgets displaying QTextDocuments (such as
 326     // KDE's notifications), hence we remove those just to be safe.
 327     msg.text.remove(QChar(0xfdd0)).remove(QChar(0xfdd1));
 328
 329     // check for HardStrictness ignore
 330     CoreNetwork* currentNetwork = network(msg.networkId);
 331     QString networkName = currentNetwork ? currentNetwork->networkName() : QString("");
 332     if (_ignoreListManager.match(msg, networkName) == IgnoreListManager::HardStrictness)
 333         return;
 334
 335     if (currentNetwork && _highlightRuleManager.match(msg, currentNetwork->myNick(), currentNetwork->identityPtr()->nicks()))
 336         msg.flags |= Message::Flag::Highlight;
 337
 338     _messageQueue << std::move(msg);
 339     if (!_processMessages) {
 340         _processMessages = true;
 341         QCoreApplication::postEvent(this, new ProcessMessagesEvent());
 342     }
 343 }
 344
 345 void CoreSession::recvStatusMsgFromServer(QString msg)
 346 {
 347     auto* net = qobject_cast<CoreNetwork*>(sender());
 348     Q_ASSERT(net);
 349     emit displayStatusMsg(net->networkName(), std::move(msg));
 350 }
 351
 352 void CoreSession::processMessageEvent(MessageEvent* event)
 353 {
 354     recvMessageFromServer(RawMessage{
 355         event->timestamp(),
 356         event->networkId(),
 357         event->msgType(),
 358         event->bufferType(),
 359         event->target().isNull() ? "" : event->target(),
 360         event->text().isNull() ? "" : event->text(),
 361         event->sender().isNull() ? "" : event->sender(),
 362         event->msgFlags()
 363     });
 364 }
 365
 366 QList<BufferInfo> CoreSession::buffers() const
 367 {
 368     return Core::requestBuffers(user());
 369 }
 370
 371 void CoreSession::customEvent(QEvent* event)
 372 {
 373     if (event->type() != QEvent::User)
 374         return;
 375
 376     processMessages();
 377     event->accept();
 378 }
 379
 380 void CoreSession::processMessages()
 381 {
 382     if (_messageQueue.count() == 1) {
 383         const RawMessage& rawMsg = _messageQueue.first();
 384         bool createBuffer = !(rawMsg.flags & Message::Redirected);
 385         BufferInfo bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, rawMsg.bufferType, rawMsg.target, createBuffer);
 386         if (!bufferInfo.isValid()) {
 387             Q_ASSERT(!createBuffer);
 388             bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, BufferInfo::StatusBuffer, "");
 389         }
 390         Message msg(rawMsg.timestamp,
 391                     bufferInfo,
 392                     rawMsg.type,
 393                     rawMsg.text,
 394                     rawMsg.sender,
 395                     senderPrefixes(rawMsg.sender, bufferInfo),
 396                     realName(rawMsg.sender, rawMsg.networkId),
 397                     avatarUrl(rawMsg.sender, rawMsg.networkId),
 398                     rawMsg.flags);
 399         if (Core::storeMessage(msg))
 400             emit displayMsg(msg);
 401     }
 402     else {
 403         QHash<NetworkId, QHash<QString, BufferInfo>> bufferInfoCache;
 404         MessageList messages;
 405         QList<RawMessage> redirectedMessages;  // list of Messages which don't enforce a buffer creation
 406         BufferInfo bufferInfo;
 407         for (int i = 0; i < _messageQueue.count(); i++) {
 408             const RawMessage& rawMsg = _messageQueue.at(i);
 409             if (bufferInfoCache.contains(rawMsg.networkId) && bufferInfoCache[rawMsg.networkId].contains(rawMsg.target)) {
 410                 bufferInfo = bufferInfoCache[rawMsg.networkId][rawMsg.target];
 411             }
 412             else {
 413                 bool createBuffer = !(rawMsg.flags & Message::Redirected);
 414                 bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, rawMsg.bufferType, rawMsg.target, createBuffer);
 415                 if (!bufferInfo.isValid()) {
 416                     Q_ASSERT(!createBuffer);
 417                     redirectedMessages << rawMsg;
 418                     continue;
 419                 }
 420                 bufferInfoCache[rawMsg.networkId][rawMsg.target] = bufferInfo;
 421             }
 422             Message msg(rawMsg.timestamp,
 423                         bufferInfo,
 424                         rawMsg.type,
 425                         rawMsg.text,
 426                         rawMsg.sender,
 427                         senderPrefixes(rawMsg.sender, bufferInfo),
 428                         realName(rawMsg.sender, rawMsg.networkId),
 429                         avatarUrl(rawMsg.sender, rawMsg.networkId),
 430                         rawMsg.flags);
 431             messages << msg;
 432         }
 433
 434         // recheck if there exists a buffer to store a redirected message in
 435         for (int i = 0; i < redirectedMessages.count(); i++) {
 436             const RawMessage& rawMsg = redirectedMessages.at(i);
 437             if (bufferInfoCache.contains(rawMsg.networkId) && bufferInfoCache[rawMsg.networkId].contains(rawMsg.target)) {
 438                 bufferInfo = bufferInfoCache[rawMsg.networkId][rawMsg.target];
 439             }
 440             else {
 441                 // no luck -> we store them in the StatusBuffer
 442                 bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, BufferInfo::StatusBuffer, "");
 443                 // add the StatusBuffer to the Cache in case there are more Messages for the original target
 444                 bufferInfoCache[rawMsg.networkId][rawMsg.target] = bufferInfo;
 445             }
 446             Message msg(rawMsg.timestamp,
 447                         bufferInfo,
 448                         rawMsg.type,
 449                         rawMsg.text,
 450                         rawMsg.sender,
 451                         senderPrefixes(rawMsg.sender, bufferInfo),
 452                         realName(rawMsg.sender, rawMsg.networkId),
 453                         avatarUrl(rawMsg.sender, rawMsg.networkId),
 454                         rawMsg.flags);
 455             messages << msg;
 456         }
 457
 458         if (Core::storeMessages(messages)) {
 459             // FIXME: extend protocol to a displayMessages(MessageList)
 460             for (int i = 0; i < messages.count(); i++) {
 461                 emit displayMsg(messages[i]);
 462             }
 463         }
 464     }
 465     _processMessages = false;
 466     _messageQueue.clear();
 467 }
 468
 469 QString CoreSession::senderPrefixes(const QString& sender, const BufferInfo& bufferInfo) const
 470 {
 471     CoreNetwork* currentNetwork = network(bufferInfo.networkId());
 472     if (!currentNetwork) {
 473         return {};
 474     }
 475
 476     if (bufferInfo.type() != BufferInfo::ChannelBuffer) {
 477         return {};
 478     }
 479
 480     IrcChannel* currentChannel = currentNetwork->ircChannel(bufferInfo.bufferName());
 481     if (!currentChannel) {
 482         return {};
 483     }
 484
 485     const QString modes = currentChannel->userModes(nickFromMask(sender).toLower());
 486     return currentNetwork->modesToPrefixes(modes);
 487 }
 488
 489 QString CoreSession::realName(const QString& sender, NetworkId networkId) const
 490 {
 491     CoreNetwork* currentNetwork = network(networkId);
 492     if (!currentNetwork) {
 493         return {};
 494     }
 495
 496     IrcUser* currentUser = currentNetwork->ircUser(nickFromMask(sender));
 497     if (!currentUser) {
 498         return {};
 499     }
 500
 501     return currentUser->realName();
 502 }
 503
 504 QString CoreSession::avatarUrl(const QString& sender, NetworkId networkId) const
 505 {
 506     Q_UNUSED(sender);
 507     Q_UNUSED(networkId);
 508     // Currently we do not have a way to retrieve this value yet.
 509     //
 510     // This likely will require implementing IRCv3's METADATA spec.
 511     // See https://ircv3.net/irc/
 512     // And https://blog.irccloud.com/avatars/
 513     return "";
 514 }
 515
 516 Protocol::SessionState CoreSession::sessionState() const
 517 {
 518     QVariantList bufferInfos;
 519     QVariantList networkIds;
 520     QVariantList identities;
 521
 522     for (const BufferInfo& id : buffers()) {
 523         bufferInfos << QVariant::fromValue(id);
 524     }
 525     for (const NetworkId& id : _networks.keys()) {
 526         networkIds << QVariant::fromValue(id);
 527     }
 528     for (const Identity* i : _identities.values()) {
 529         identities << QVariant::fromValue(*i);
 530     }
 531
 532     return Protocol::SessionState(identities, bufferInfos, networkIds);
 533 }
 534
 535 void CoreSession::initScriptEngine()
 536 {
 537     signalProxy()->attachSlot(SIGNAL(scriptRequest(QString)), this, &CoreSession::scriptRequest);
 538     signalProxy()->attachSignal(this, &CoreSession::scriptResult);
 539
 540     // FIXME
 541     // QScriptValue storage_ = scriptEngine->newQObject(storage);
 542     // scriptEngine->globalObject().setProperty("storage", storage_);
 543 }
 544
 545 void CoreSession::scriptRequest(QString script)
 546 {
 547     emit scriptResult(scriptEngine->evaluate(script).toString());
 548 }
 549
 550 /*** Identity Handling ***/
 551 void CoreSession::createIdentity(const Identity& identity, const QVariantMap& additional)
 552 {
 553 #ifndef HAVE_SSL
 554     Q_UNUSED(additional)
 555 #endif
 556
 557     CoreIdentity coreIdentity(identity);
 558 #ifdef HAVE_SSL
 559     if (additional.contains("KeyPem"))
 560         coreIdentity.setSslKey(additional["KeyPem"].toByteArray());
 561     if (additional.contains("CertPem"))
 562         coreIdentity.setSslCert(additional["CertPem"].toByteArray());
 563 #endif
 564     qDebug() << Q_FUNC_INFO;
 565     IdentityId id = Core::createIdentity(user(), coreIdentity);
 566     if (!id.isValid())
 567         return;
 568     else
 569         createIdentity(coreIdentity);
 570 }
 571
 572 const QString CoreSession::strictCompliantIdent(const CoreIdentity* identity)
 573 {
 574     if (_strictIdentEnabled) {
 575         // Strict mode enabled: only allow the user's Quassel username as an ident
 576         return Core::instance()->strictSysIdent(_user);
 577     }
 578     else {
 579         // Strict mode disabled: allow any identity specified
 580         return identity->ident();
 581     }
 582 }
 583
 584 void CoreSession::createIdentity(const CoreIdentity& identity)
 585 {
 586     auto* coreIdentity = new CoreIdentity(identity, this);
 587     _identities[identity.id()] = coreIdentity;
 588     // CoreIdentity has its own synchronize method since its "private" sslManager needs to be synced as well
 589     coreIdentity->synchronize(signalProxy());
 590     connect(coreIdentity, &SyncableObject::updated, this, &CoreSession::updateIdentityBySender);
 591     emit identityCreated(*coreIdentity);
 592 }
 593
 594 void CoreSession::updateIdentityBySender()
 595 {
 596     auto* identity = qobject_cast<CoreIdentity*>(sender());
 597     if (!identity)
 598         return;
 599     Core::updateIdentity(user(), *identity);
 600 }
 601
 602 void CoreSession::removeIdentity(IdentityId id)
 603 {
 604     CoreIdentity* identity = _identities.take(id);
 605     if (identity) {
 606         emit identityRemoved(id);
 607         Core::removeIdentity(user(), id);
 608         identity->deleteLater();
 609     }
 610 }
 611
 612 /*** Network Handling ***/
 613
 614 void CoreSession::createNetwork(const NetworkInfo& info_, const QStringList& persistentChans)
 615 {
 616     NetworkInfo info = info_;
 617     int id;
 618
 619     if (!info.networkId.isValid())
 620         Core::createNetwork(user(), info);
 621
 622     if (!info.networkId.isValid()) {
 623         qWarning() << qPrintable(
 624             tr("CoreSession::createNetwork(): Got invalid networkId from Core when trying to create network %1!").arg(info.networkName));
 625         return;
 626     }
 627
 628     id = info.networkId.toInt();
 629     if (!_networks.contains(id)) {
 630         // create persistent chans
 631         QRegExp rx(R"(\s*(\S+)(?:\s*(\S+))?\s*)");
 632         for (const QString& channel : persistentChans) {
 633             if (!rx.exactMatch(channel)) {
 634                 qWarning() << QString("Invalid persistent channel declaration: %1").arg(channel);
 635                 continue;
 636             }
 637             Core::bufferInfo(user(), info.networkId, BufferInfo::ChannelBuffer, rx.cap(1), true);
 638             Core::setChannelPersistent(user(), info.networkId, rx.cap(1), true);
 639             if (!rx.cap(2).isEmpty())
 640                 Core::setPersistentChannelKey(user(), info.networkId, rx.cap(1), rx.cap(2));
 641         }
 642
 643         CoreNetwork* net = new CoreNetwork(id, this);
 644         connect(net, &CoreNetwork::displayMsg, this, &CoreSession::recvMessageFromServer);
 645         connect(net, &CoreNetwork::displayStatusMsg, this, &CoreSession::recvStatusMsgFromServer);
 646         connect(net, &CoreNetwork::disconnected, this, &CoreSession::networkDisconnected);
 647
 648         net->setNetworkInfo(info);
 649         net->setProxy(signalProxy());
 650         _networks[id] = net;
 651         signalProxy()->synchronize(net);
 652         emit networkCreated(id);
 653     }
 654     else {
 655         qWarning() << qPrintable(tr("CoreSession::createNetwork(): Trying to create a network that already exists, updating instead!"));
 656         _networks[info.networkId]->requestSetNetworkInfo(info);
 657     }
 658 }
 659
 660 void CoreSession::removeNetwork(NetworkId id)
 661 {
 662     // Make sure the network is disconnected!
 663     CoreNetwork* net = network(id);
 664     if (!net)
 665         return;
 666
 667     if (net->connectionState() != Network::Disconnected) {
 668         // make sure we no longer receive data from the tcp buffer
 669         disconnect(net, &CoreNetwork::displayMsg, this, nullptr);
 670         disconnect(net, &CoreNetwork::displayStatusMsg, this, nullptr);
 671         connect(net, &CoreNetwork::disconnected, this, &CoreSession::destroyNetwork);
 672         net->disconnectFromIrc();
 673     }
 674     else {
 675         destroyNetwork(id);
 676     }
 677 }
 678
 679 void CoreSession::destroyNetwork(NetworkId id)
 680 {
 681     QList<BufferId> removedBuffers = Core::requestBufferIdsForNetwork(user(), id);
 682     Network* net = _networks.take(id);
 683     if (net && Core::removeNetwork(user(), id)) {
 684         // make sure that all unprocessed RawMessages from this network are removed
 685         QList<RawMessage>::iterator messageIter = _messageQueue.begin();
 686         while (messageIter != _messageQueue.end()) {
 687             if (messageIter->networkId == id) {
 688                 messageIter = _messageQueue.erase(messageIter);
 689             }
 690             else {
 691                 ++messageIter;
 692             }
 693         }
 694         // remove buffers from syncer
 695         for (BufferId bufferId : removedBuffers) {
 696             _bufferSyncer->removeBuffer(bufferId);
 697         }
 698         emit networkRemoved(id);
 699         net->deleteLater();
 700     }
 701 }
 702
 703 void CoreSession::renameBuffer(const NetworkId& networkId, const QString& newName, const QString& oldName)
 704 {
 705     BufferInfo bufferInfo = Core::bufferInfo(user(), networkId, BufferInfo::QueryBuffer, oldName, false);
 706     if (bufferInfo.isValid()) {
 707         _bufferSyncer->renameBuffer(bufferInfo.bufferId(), newName);
 708     }
 709 }
 710
 711 void CoreSession::clientsConnected()
 712 {
 713     QHash<NetworkId, CoreNetwork*>::iterator netIter = _networks.begin();
 714     Identity* identity = nullptr;
 715     CoreNetwork* net = nullptr;
 716     IrcUser* me = nullptr;
 717     while (netIter != _networks.end()) {
 718         net = *netIter;
 719         ++netIter;
 720
 721         if (!net->isConnected())
 722             continue;
 723         identity = net->identityPtr();
 724         if (!identity)
 725             continue;
 726         me = net->me();
 727         if (!me)
 728             continue;
 729
 730         if (identity->detachAwayEnabled() && me->isAway()) {
 731             net->userInputHandler()->handleAway(BufferInfo(), QString());
 732         }
 733     }
 734 }
 735
 736 void CoreSession::clientsDisconnected()
 737 {
 738     QHash<NetworkId, CoreNetwork*>::iterator netIter = _networks.begin();
 739     Identity* identity = nullptr;
 740     CoreNetwork* net = nullptr;
 741     IrcUser* me = nullptr;
 742     QString awayReason;
 743     while (netIter != _networks.end()) {
 744         net = *netIter;
 745         ++netIter;
 746
 747         if (!net->isConnected())
 748             continue;
 749
 750         identity = net->identityPtr();
 751         if (!identity)
 752             continue;
 753         me = net->me();
 754         if (!me)
 755             continue;
 756
 757         if (identity->detachAwayEnabled() && !me->isAway()) {
 758             if (!identity->detachAwayReason().isEmpty())
 759                 awayReason = identity->detachAwayReason();
 760             net->setAutoAwayActive(true);
 761             // Allow handleAway() to format the current date/time in the string.
 762             net->userInputHandler()->handleAway(BufferInfo(), awayReason);
 763         }
 764     }
 765 }
 766
 767 void CoreSession::globalAway(const QString& msg, const bool skipFormatting)
 768 {
 769     QHash<NetworkId, CoreNetwork*>::iterator netIter = _networks.begin();
 770     CoreNetwork* net = nullptr;
 771     while (netIter != _networks.end()) {
 772         net = *netIter;
 773         ++netIter;
 774
 775         if (!net->isConnected())
 776             continue;
 777
 778         net->userInputHandler()->issueAway(msg, false /* no force away */, skipFormatting);
 779     }
 780 }
 781
 782 void CoreSession::changePassword(PeerPtr peer, const QString& userName, const QString& oldPassword, const QString& newPassword)
 783 {
 784     Q_UNUSED(peer);
 785
 786     bool success = false;
 787     UserId uid = Core::validateUser(userName, oldPassword);
 788     if (uid.isValid() && uid == user())
 789         success = Core::changeUserPassword(uid, newPassword);
 790
 791     signalProxy()->restrictTargetPeers(signalProxy()->sourcePeer(), [&] { emit passwordChanged(nullptr, success); });
 792 }
 793
 794 void CoreSession::kickClient(int peerId)
 795 {
 796     auto peer = signalProxy()->peerById(peerId);
 797     if (peer == nullptr) {
 798         qWarning() << "Invalid peer Id: " << peerId;
 799         return;
 800     }
 801     signalProxy()->restrictTargetPeers(peer, [&] { emit disconnectFromCore(); });
 802 }