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corenetwork.cpp
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20 
21 #include <QHostInfo>
22 
23 #include "corenetwork.h"
24 
25 #include "core.h"
26 #include "coreidentity.h"
27 #include "corenetworkconfig.h"
28 #include "coresession.h"
29 #include "coreuserinputhandler.h"
30 #include "networkevent.h"
31 
33 CoreNetwork::CoreNetwork(const NetworkId &networkid, CoreSession *session)
34  : Network(networkid, session),
35  _coreSession(session),
36  _userInputHandler(new CoreUserInputHandler(this)),
37  _autoReconnectCount(0),
38  _quitRequested(false),
39 
40  _previousConnectionAttemptFailed(false),
41  _lastUsedServerIndex(0),
42 
43  _lastPingTime(0),
44  _pingCount(0),
45  _sendPings(false),
46  _requestedUserModes('-')
47 {
48  _autoReconnectTimer.setSingleShot(true);
49  connect(&_socketCloseTimer, SIGNAL(timeout()), this, SLOT(socketCloseTimeout()));
50 
51  setPingInterval(networkConfig()->pingInterval());
52  connect(&_pingTimer, SIGNAL(timeout()), this, SLOT(sendPing()));
53 
54  setAutoWhoDelay(networkConfig()->autoWhoDelay());
55  setAutoWhoInterval(networkConfig()->autoWhoInterval());
56 
57  QHash<QString, QString> channels = coreSession()->persistentChannels(networkId());
58  foreach(QString chan, channels.keys()) {
59  _channelKeys[chan.toLower()] = channels[chan];
60  }
61 
62  connect(networkConfig(), SIGNAL(pingTimeoutEnabledSet(bool)), SLOT(enablePingTimeout(bool)));
63  connect(networkConfig(), SIGNAL(pingIntervalSet(int)), SLOT(setPingInterval(int)));
64  connect(networkConfig(), SIGNAL(autoWhoEnabledSet(bool)), SLOT(setAutoWhoEnabled(bool)));
65  connect(networkConfig(), SIGNAL(autoWhoIntervalSet(int)), SLOT(setAutoWhoInterval(int)));
66  connect(networkConfig(), SIGNAL(autoWhoDelaySet(int)), SLOT(setAutoWhoDelay(int)));
67 
68  connect(&_autoReconnectTimer, SIGNAL(timeout()), this, SLOT(doAutoReconnect()));
69  connect(&_autoWhoTimer, SIGNAL(timeout()), this, SLOT(sendAutoWho()));
70  connect(&_autoWhoCycleTimer, SIGNAL(timeout()), this, SLOT(startAutoWhoCycle()));
71  connect(&_tokenBucketTimer, SIGNAL(timeout()), this, SLOT(fillBucketAndProcessQueue()));
72 
73  connect(&socket, SIGNAL(connected()), this, SLOT(socketInitialized()));
74  connect(&socket, SIGNAL(disconnected()), this, SLOT(socketDisconnected()));
75  connect(&socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(socketError(QAbstractSocket::SocketError)));
76  connect(&socket, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SLOT(socketStateChanged(QAbstractSocket::SocketState)));
77  connect(&socket, SIGNAL(readyRead()), this, SLOT(socketHasData()));
78 #ifdef HAVE_SSL
79  connect(&socket, SIGNAL(encrypted()), this, SLOT(socketInitialized()));
80  connect(&socket, SIGNAL(sslErrors(const QList<QSslError> &)), this, SLOT(sslErrors(const QList<QSslError> &)));
81 #endif
82  connect(this, SIGNAL(newEvent(Event *)), coreSession()->eventManager(), SLOT(postEvent(Event *)));
83 
84  if (Quassel::isOptionSet("oidentd")) {
85  connect(this, SIGNAL(socketOpen(const CoreIdentity*, QHostAddress, quint16, QHostAddress, quint16)), Core::instance()->oidentdConfigGenerator(), SLOT(addSocket(const CoreIdentity*, QHostAddress, quint16, QHostAddress, quint16)), Qt::BlockingQueuedConnection);
86  connect(this, SIGNAL(socketDisconnected(const CoreIdentity*, QHostAddress, quint16, QHostAddress, quint16)), Core::instance()->oidentdConfigGenerator(), SLOT(removeSocket(const CoreIdentity*, QHostAddress, quint16, QHostAddress, quint16)));
87  }
88 }
89 
90 
92 {
93  if (connectionState() != Disconnected && connectionState() != Network::Reconnecting)
94  disconnectFromIrc(false); // clean up, but this does not count as requested disconnect!
95  disconnect(&socket, 0, this, 0); // this keeps the socket from triggering events during clean up
96  delete _userInputHandler;
97 }
98 
99 
100 QString CoreNetwork::channelDecode(const QString &bufferName, const QByteArray &string) const
101 {
102  if (!bufferName.isEmpty()) {
103  IrcChannel *channel = ircChannel(bufferName);
104  if (channel)
105  return channel->decodeString(string);
106  }
107  return decodeString(string);
108 }
109 
110 
111 QString CoreNetwork::userDecode(const QString &userNick, const QByteArray &string) const
112 {
113  IrcUser *user = ircUser(userNick);
114  if (user)
115  return user->decodeString(string);
116  return decodeString(string);
117 }
118 
119 
120 QByteArray CoreNetwork::channelEncode(const QString &bufferName, const QString &string) const
121 {
122  if (!bufferName.isEmpty()) {
123  IrcChannel *channel = ircChannel(bufferName);
124  if (channel)
125  return channel->encodeString(string);
126  }
127  return encodeString(string);
128 }
129 
130 
131 QByteArray CoreNetwork::userEncode(const QString &userNick, const QString &string) const
132 {
133  IrcUser *user = ircUser(userNick);
134  if (user)
135  return user->encodeString(string);
136  return encodeString(string);
137 }
138 
139 
140 void CoreNetwork::connectToIrc(bool reconnecting)
141 {
142  if (!reconnecting && useAutoReconnect() && _autoReconnectCount == 0) {
143  _autoReconnectTimer.setInterval(autoReconnectInterval() * 1000);
145  _autoReconnectCount = -1;
146  else
148  }
149  if (serverList().isEmpty()) {
150  qWarning() << "Server list empty, ignoring connect request!";
151  return;
152  }
154  if (!identity) {
155  qWarning() << "Invalid identity configures, ignoring connect request!";
156  return;
157  }
158 
159  // cleaning up old quit reason
160  _quitReason.clear();
161 
162  // use a random server?
163  if (useRandomServer()) {
164  _lastUsedServerIndex = qrand() % serverList().size();
165  }
167  // cycle to next server if previous connection attempt failed
168  displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Connection failed. Cycling to next Server"));
169  if (++_lastUsedServerIndex >= serverList().size()) {
171  }
172  }
174 
176  displayStatusMsg(tr("Connecting to %1:%2...").arg(server.host).arg(server.port));
177  displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Connecting to %1:%2...").arg(server.host).arg(server.port));
178 
179  if (server.useProxy) {
180  QNetworkProxy proxy((QNetworkProxy::ProxyType)server.proxyType, server.proxyHost, server.proxyPort, server.proxyUser, server.proxyPass);
181  socket.setProxy(proxy);
182  }
183  else {
184  socket.setProxy(QNetworkProxy::NoProxy);
185  }
186 
188 
189  // Qt caches DNS entries for a minute, resulting in round-robin (e.g. for chat.freenode.net) not working if several users
190  // connect at a similar time. QHostInfo::fromName(), however, always performs a fresh lookup, overwriting the cache entry.
191  QHostInfo::fromName(server.host);
192 
193 #ifdef HAVE_SSL
194  if (server.useSsl) {
195  CoreIdentity *identity = identityPtr();
196  if (identity) {
197  socket.setLocalCertificate(identity->sslCert());
198  socket.setPrivateKey(identity->sslKey());
199  }
200  socket.connectToHostEncrypted(server.host, server.port);
201  }
202  else {
203  socket.connectToHost(server.host, server.port);
204  }
205 #else
206  socket.connectToHost(server.host, server.port);
207 #endif
208 }
209 
210 
211 void CoreNetwork::disconnectFromIrc(bool requested, const QString &reason, bool withReconnect)
212 {
213  _quitRequested = requested; // see socketDisconnected();
214  if (!withReconnect) {
215  _autoReconnectTimer.stop();
216  _autoReconnectCount = 0; // prohibiting auto reconnect
217  }
219  _msgQueue.clear();
220 
221  IrcUser *me_ = me();
222  if (me_) {
223  QString awayMsg;
224  if (me_->isAway())
225  awayMsg = me_->awayMessage();
226  Core::setAwayMessage(userId(), networkId(), awayMsg);
227  }
228 
229  if (reason.isEmpty() && identityPtr())
231  else
232  _quitReason = reason;
233 
234  displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Disconnecting. (%1)").arg((!requested && !withReconnect) ? tr("Core Shutdown") : _quitReason));
235  if (socket.state() == QAbstractSocket::UnconnectedState) {
237  } else {
238  if (socket.state() == QAbstractSocket::ConnectedState) {
240  } else {
241  socket.close();
242  }
243  if (requested || withReconnect) {
244  // the irc server has 10 seconds to close the socket
245  _socketCloseTimer.start(10000);
246  }
247  }
248 }
249 
250 
251 void CoreNetwork::userInput(BufferInfo buf, QString msg)
252 {
253  userInputHandler()->handleUserInput(buf, msg);
254 }
255 
256 
257 void CoreNetwork::putRawLine(QByteArray s)
258 {
259  if (_tokenBucket > 0)
260  writeToSocket(s);
261  else
262  _msgQueue.append(s);
263 }
264 
265 
266 void CoreNetwork::putCmd(const QString &cmd, const QList<QByteArray> &params, const QByteArray &prefix)
267 {
268  QByteArray msg;
269 
270  if (!prefix.isEmpty())
271  msg += ":" + prefix + " ";
272  msg += cmd.toUpper().toLatin1();
273 
274  for (int i = 0; i < params.size(); i++) {
275  msg += " ";
276 
277  if (i == params.size() - 1 && (params[i].contains(' ') || (!params[i].isEmpty() && params[i][0] == ':')))
278  msg += ":";
279 
280  msg += params[i];
281  }
282 
283  putRawLine(msg);
284 }
285 
286 
287 void CoreNetwork::putCmd(const QString &cmd, const QList<QList<QByteArray>> &params, const QByteArray &prefix)
288 {
289  QListIterator<QList<QByteArray>> i(params);
290  while (i.hasNext()) {
291  QList<QByteArray> msg = i.next();
292  putCmd(cmd, msg, prefix);
293  }
294 }
295 
296 
297 void CoreNetwork::setChannelJoined(const QString &channel)
298 {
299  _autoWhoQueue.prepend(channel.toLower()); // prepend so this new chan is the first to be checked
300 
301  Core::setChannelPersistent(userId(), networkId(), channel, true);
302  Core::setPersistentChannelKey(userId(), networkId(), channel, _channelKeys[channel.toLower()]);
303 }
304 
305 
306 void CoreNetwork::setChannelParted(const QString &channel)
307 {
308  removeChannelKey(channel);
309  _autoWhoQueue.removeAll(channel.toLower());
310  _autoWhoPending.remove(channel.toLower());
311 
312  Core::setChannelPersistent(userId(), networkId(), channel, false);
313 }
314 
315 
316 void CoreNetwork::addChannelKey(const QString &channel, const QString &key)
317 {
318  if (key.isEmpty()) {
319  removeChannelKey(channel);
320  }
321  else {
322  _channelKeys[channel.toLower()] = key;
323  }
324 }
325 
326 
327 void CoreNetwork::removeChannelKey(const QString &channel)
328 {
329  _channelKeys.remove(channel.toLower());
330 }
331 
332 
333 #ifdef HAVE_QCA2
334 Cipher *CoreNetwork::cipher(const QString &target)
335 {
336  if (target.isEmpty())
337  return 0;
338 
340  return 0;
341 
342  CoreIrcChannel *channel = qobject_cast<CoreIrcChannel *>(ircChannel(target));
343  if (channel) {
344  return channel->cipher();
345  }
346  CoreIrcUser *user = qobject_cast<CoreIrcUser *>(ircUser(target));
347  if (user) {
348  return user->cipher();
349  } else if (!isChannelName(target)) {
350  return qobject_cast<CoreIrcUser*>(newIrcUser(target))->cipher();
351  }
352  return 0;
353 }
354 
355 
356 QByteArray CoreNetwork::cipherKey(const QString &target) const
357 {
358  CoreIrcChannel *c = qobject_cast<CoreIrcChannel*>(ircChannel(target));
359  if (c)
360  return c->cipher()->key();
361 
362  CoreIrcUser *u = qobject_cast<CoreIrcUser*>(ircUser(target));
363  if (u)
364  return u->cipher()->key();
365 
366  return QByteArray();
367 }
368 
369 
370 void CoreNetwork::setCipherKey(const QString &target, const QByteArray &key)
371 {
372  CoreIrcChannel *c = qobject_cast<CoreIrcChannel*>(ircChannel(target));
373  if (c) {
374  c->setEncrypted(c->cipher()->setKey(key));
375  return;
376  }
377 
378  CoreIrcUser *u = qobject_cast<CoreIrcUser*>(ircUser(target));
379  if (!u && !isChannelName(target))
380  u = qobject_cast<CoreIrcUser*>(newIrcUser(target));
381 
382  if (u) {
383  u->setEncrypted(u->cipher()->setKey(key));
384  return;
385  }
386 }
387 
388 
389 bool CoreNetwork::cipherUsesCBC(const QString &target)
390 {
391  CoreIrcChannel *c = qobject_cast<CoreIrcChannel*>(ircChannel(target));
392  if (c)
393  return c->cipher()->usesCBC();
394  CoreIrcUser *u = qobject_cast<CoreIrcUser*>(ircUser(target));
395  if (u)
396  return u->cipher()->usesCBC();
397 
398  return false;
399 }
400 #endif /* HAVE_QCA2 */
401 
402 bool CoreNetwork::setAutoWhoDone(const QString &channel)
403 {
404  QString chan = channel.toLower();
405  if (_autoWhoPending.value(chan, 0) <= 0)
406  return false;
407  if (--_autoWhoPending[chan] <= 0)
408  _autoWhoPending.remove(chan);
409  return true;
410 }
411 
412 
413 void CoreNetwork::setMyNick(const QString &mynick)
414 {
415  Network::setMyNick(mynick);
416  if (connectionState() == Network::Initializing)
418 }
419 
420 
422 {
423  while (socket.canReadLine()) {
424  QByteArray s = socket.readLine();
425  if (s.endsWith("\r\n"))
426  s.chop(2);
427  else if (s.endsWith("\n"))
428  s.chop(1);
429  NetworkDataEvent *event = new NetworkDataEvent(EventManager::NetworkIncoming, this, s);
430  event->setTimestamp(QDateTime::currentDateTimeUtc());
431  emit newEvent(event);
432  }
433 }
434 
435 
436 void CoreNetwork::socketError(QAbstractSocket::SocketError error)
437 {
438  if (_quitRequested && error == QAbstractSocket::RemoteHostClosedError)
439  return;
440 
442  qWarning() << qPrintable(tr("Could not connect to %1 (%2)").arg(networkName(), socket.errorString()));
443  emit connectionError(socket.errorString());
444  displayMsg(Message::Error, BufferInfo::StatusBuffer, "", tr("Connection failure: %1").arg(socket.errorString()));
445  emitConnectionError(socket.errorString());
446  if (socket.state() < QAbstractSocket::ConnectedState) {
448  }
449 }
450 
451 
453 {
455  if (!identity) {
456  qCritical() << "Identity invalid!";
458  return;
459  }
460 
461  emit socketOpen(identity, localAddress(), localPort(), peerAddress(), peerPort());
462 
464 #ifdef HAVE_SSL
465  if (server.useSsl && !socket.isEncrypted())
466  return;
467 #endif
468  socket.setSocketOption(QAbstractSocket::KeepAliveOption, true);
469 
470  emit socketInitialized(identity, localAddress(), localPort(), peerAddress(), peerPort());
471 
472  // TokenBucket to avoid sending too much at once
473  _messageDelay = 2200; // this seems to be a safe value (2.2 seconds delay)
474  _burstSize = 5;
475  _tokenBucket = _burstSize; // init with a full bucket
477 
478  if (networkInfo().useSasl) {
479  putRawLine(serverEncode(QString("CAP REQ :sasl")));
480  }
481  if (!server.password.isEmpty()) {
482  putRawLine(serverEncode(QString("PASS %1").arg(server.password)));
483  }
484  QString nick;
485  if (identity->nicks().isEmpty()) {
486  nick = "quassel";
487  qWarning() << "CoreNetwork::socketInitialized(): no nicks supplied for identity Id" << identity->id();
488  }
489  else {
490  nick = identity->nicks()[0];
491  }
492  putRawLine(serverEncode(QString("NICK :%1").arg(nick)));
493  putRawLine(serverEncode(QString("USER %1 8 * :%2").arg(identity->ident(), identity->realName())));
494 }
495 
496 
498 {
500  _msgQueue.clear();
501 
502  _autoWhoCycleTimer.stop();
503  _autoWhoTimer.stop();
504  _autoWhoQueue.clear();
505  _autoWhoPending.clear();
506 
507  _socketCloseTimer.stop();
508 
509  _tokenBucketTimer.stop();
510 
511  IrcUser *me_ = me();
512  if (me_) {
513  foreach(QString channel, me_->channels())
514  displayMsg(Message::Quit, BufferInfo::ChannelBuffer, channel, _quitReason, me_->hostmask());
515  }
516 
517  setConnected(false);
518  emit disconnected(networkId());
520  if (_quitRequested) {
521  _quitRequested = false;
522  setConnectionState(Network::Disconnected);
524  }
525  else if (_autoReconnectCount != 0) {
526  setConnectionState(Network::Reconnecting);
528  doAutoReconnect(); // first try is immediate
529  else
530  _autoReconnectTimer.start();
531  }
532 }
533 
534 
535 void CoreNetwork::socketStateChanged(QAbstractSocket::SocketState socketState)
536 {
537  Network::ConnectionState state;
538  switch (socketState) {
539  case QAbstractSocket::UnconnectedState:
540  state = Network::Disconnected;
541  break;
542  case QAbstractSocket::HostLookupState:
543  case QAbstractSocket::ConnectingState:
544  state = Network::Connecting;
545  break;
546  case QAbstractSocket::ConnectedState:
547  state = Network::Initializing;
548  break;
549  case QAbstractSocket::ClosingState:
550  state = Network::Disconnecting;
551  break;
552  default:
553  state = Network::Disconnected;
554  }
555  setConnectionState(state);
556 }
557 
558 
560 {
561  setConnectionState(Network::Initialized);
562  setConnected(true);
563  _quitRequested = false;
564 
565  if (useAutoReconnect()) {
566  // reset counter
568  }
569 
570  // restore away state
571  QString awayMsg = Core::awayMessage(userId(), networkId());
572  if (!awayMsg.isEmpty())
574 
575  sendPerform();
576 
577  _sendPings = true;
578 
579  if (networkConfig()->autoWhoEnabled()) {
580  _autoWhoCycleTimer.start();
581  _autoWhoTimer.start();
582  startAutoWhoCycle(); // FIXME wait for autojoin to be completed
583  }
584 
585  Core::bufferInfo(userId(), networkId(), BufferInfo::StatusBuffer); // create status buffer
587 }
588 
589 
591 {
593 
594  // do auto identify
595  if (useAutoIdentify() && !autoIdentifyService().isEmpty() && !autoIdentifyPassword().isEmpty()) {
596  userInputHandler()->handleMsg(statusBuf, QString("%1 IDENTIFY %2").arg(autoIdentifyService(), autoIdentifyPassword()));
597  }
598 
599  // restore old user modes if server default mode is set.
600  IrcUser *me_ = me();
601  if (me_) {
602  if (!me_->userModes().isEmpty()) {
604  }
605  else {
606  connect(me_, SIGNAL(userModesSet(QString)), this, SLOT(restoreUserModes()));
607  connect(me_, SIGNAL(userModesAdded(QString)), this, SLOT(restoreUserModes()));
608  }
609  }
610 
611  // send perform list
612  foreach(QString line, perform()) {
613  if (!line.isEmpty()) userInput(statusBuf, line);
614  }
615 
616  // rejoin channels we've been in
617  if (rejoinChannels()) {
618  QStringList channels, keys;
619  foreach(QString chan, coreSession()->persistentChannels(networkId()).keys()) {
620  QString key = channelKey(chan);
621  if (!key.isEmpty()) {
622  channels.prepend(chan);
623  keys.prepend(key);
624  }
625  else {
626  channels.append(chan);
627  }
628  }
629  QString joinString = QString("%1 %2").arg(channels.join(",")).arg(keys.join(",")).trimmed();
630  if (!joinString.isEmpty())
631  userInputHandler()->handleJoin(statusBuf, joinString);
632  }
633 }
634 
635 
637 {
638  IrcUser *me_ = me();
639  Q_ASSERT(me_);
640 
641  disconnect(me_, SIGNAL(userModesSet(QString)), this, SLOT(restoreUserModes()));
642  disconnect(me_, SIGNAL(userModesAdded(QString)), this, SLOT(restoreUserModes()));
643 
644  QString modesDelta = Core::userModes(userId(), networkId());
645  QString currentModes = me_->userModes();
646 
647  QString addModes, removeModes;
648  if (modesDelta.contains('-')) {
649  addModes = modesDelta.section('-', 0, 0);
650  removeModes = modesDelta.section('-', 1);
651  }
652  else {
653  addModes = modesDelta;
654  }
655 
656  addModes.remove(QRegExp(QString("[%1]").arg(currentModes)));
657  if (currentModes.isEmpty())
658  removeModes = QString();
659  else
660  removeModes.remove(QRegExp(QString("[^%1]").arg(currentModes)));
661 
662  if (addModes.isEmpty() && removeModes.isEmpty())
663  return;
664 
665  if (!addModes.isEmpty())
666  addModes = '+' + addModes;
667  if (!removeModes.isEmpty())
668  removeModes = '-' + removeModes;
669 
670  // don't use InputHandler::handleMode() as it keeps track of our persistent mode changes
671  putRawLine(serverEncode(QString("MODE %1 %2%3").arg(me_->nick()).arg(addModes).arg(removeModes)));
672 }
673 
674 
675 void CoreNetwork::updateIssuedModes(const QString &requestedModes)
676 {
677  QString addModes;
678  QString removeModes;
679  bool addMode = true;
680 
681  for (int i = 0; i < requestedModes.length(); i++) {
682  if (requestedModes[i] == '+') {
683  addMode = true;
684  continue;
685  }
686  if (requestedModes[i] == '-') {
687  addMode = false;
688  continue;
689  }
690  if (addMode) {
691  addModes += requestedModes[i];
692  }
693  else {
694  removeModes += requestedModes[i];
695  }
696  }
697 
698  QString addModesOld = _requestedUserModes.section('-', 0, 0);
699  QString removeModesOld = _requestedUserModes.section('-', 1);
700 
701  addModes.remove(QRegExp(QString("[%1]").arg(addModesOld))); // deduplicate
702  addModesOld.remove(QRegExp(QString("[%1]").arg(removeModes))); // update
703  addModes += addModesOld;
704 
705  removeModes.remove(QRegExp(QString("[%1]").arg(removeModesOld))); // deduplicate
706  removeModesOld.remove(QRegExp(QString("[%1]").arg(addModes))); // update
707  removeModes += removeModesOld;
708 
709  _requestedUserModes = QString("%1-%2").arg(addModes).arg(removeModes);
710 }
711 
712 
713 void CoreNetwork::updatePersistentModes(QString addModes, QString removeModes)
714 {
715  QString persistentUserModes = Core::userModes(userId(), networkId());
716 
717  QString requestedAdd = _requestedUserModes.section('-', 0, 0);
718  QString requestedRemove = _requestedUserModes.section('-', 1);
719 
720  QString persistentAdd, persistentRemove;
721  if (persistentUserModes.contains('-')) {
722  persistentAdd = persistentUserModes.section('-', 0, 0);
723  persistentRemove = persistentUserModes.section('-', 1);
724  }
725  else {
726  persistentAdd = persistentUserModes;
727  }
728 
729  // remove modes we didn't issue
730  if (requestedAdd.isEmpty())
731  addModes = QString();
732  else
733  addModes.remove(QRegExp(QString("[^%1]").arg(requestedAdd)));
734 
735  if (requestedRemove.isEmpty())
736  removeModes = QString();
737  else
738  removeModes.remove(QRegExp(QString("[^%1]").arg(requestedRemove)));
739 
740  // deduplicate
741  persistentAdd.remove(QRegExp(QString("[%1]").arg(addModes)));
742  persistentRemove.remove(QRegExp(QString("[%1]").arg(removeModes)));
743 
744  // update
745  persistentAdd.remove(QRegExp(QString("[%1]").arg(removeModes)));
746  persistentRemove.remove(QRegExp(QString("[%1]").arg(addModes)));
747 
748  // update issued mode list
749  requestedAdd.remove(QRegExp(QString("[%1]").arg(addModes)));
750  requestedRemove.remove(QRegExp(QString("[%1]").arg(removeModes)));
751  _requestedUserModes = QString("%1-%2").arg(requestedAdd).arg(requestedRemove);
752 
753  persistentAdd += addModes;
754  persistentRemove += removeModes;
755  Core::setUserModes(userId(), networkId(), QString("%1-%2").arg(persistentAdd).arg(persistentRemove));
756 }
757 
758 
760 {
761  _requestedUserModes = QString('-');
762  Core::setUserModes(userId(), networkId(), QString());
763 }
764 
765 
767 {
769  if (!use)
770  _autoReconnectTimer.stop();
771 }
772 
773 
775 {
777  _autoReconnectTimer.setInterval(interval * 1000);
778 }
779 
780 
782 {
784  if (_autoReconnectCount != 0) {
786  _autoReconnectCount = -1;
787  else
789  }
790 }
791 
792 
794 {
795  if (connectionState() != Network::Disconnected && connectionState() != Network::Reconnecting) {
796  qWarning() << "CoreNetwork::doAutoReconnect(): Cannot reconnect while not being disconnected!";
797  return;
798  }
799  if (_autoReconnectCount > 0 || _autoReconnectCount == -1)
800  _autoReconnectCount--; // -2 means we delay the next reconnect
801  connectToIrc(true);
802 }
803 
804 
806 {
807  uint now = QDateTime::currentDateTime().toTime_t();
808  if (_pingCount != 0) {
809  qDebug() << "UserId:" << userId() << "Network:" << networkName() << "missed" << _pingCount << "pings."
810  << "BA:" << socket.bytesAvailable() << "BTW:" << socket.bytesToWrite();
811  }
812  if ((int)_pingCount >= networkConfig()->maxPingCount() && now - _lastPingTime <= (uint)(_pingTimer.interval() / 1000) + 1) {
813  // the second check compares the actual elapsed time since the last ping and the pingTimer interval
814  // if the interval is shorter then the actual elapsed time it means that this thread was somehow blocked
815  // and unable to even handle a ping answer. So we ignore those misses.
816  disconnectFromIrc(false, QString("No Ping reply in %1 seconds.").arg(_pingCount * _pingTimer.interval() / 1000), true /* withReconnect */);
817  }
818  else {
819  _lastPingTime = now;
820  _pingCount++;
821  // Don't send pings until the network is initialized
822  if(_sendPings)
823  userInputHandler()->handlePing(BufferInfo(), QString());
824  }
825 }
826 
827 
829 {
830  if (!enable)
832  else {
834  if (networkConfig()->pingTimeoutEnabled())
835  _pingTimer.start();
836  }
837 }
838 
839 
841 {
842  _pingTimer.stop();
843  _sendPings = false;
845 }
846 
847 
849 {
850  _pingTimer.setInterval(interval * 1000);
851 }
852 
853 
854 /******** AutoWHO ********/
855 
857 {
858  if (!_autoWhoQueue.isEmpty()) {
859  _autoWhoCycleTimer.stop();
860  return;
861  }
863 }
864 
865 
867 {
868  _autoWhoTimer.setInterval(delay * 1000);
869 }
870 
871 
873 {
874  _autoWhoCycleTimer.setInterval(interval * 1000);
875 }
876 
877 
879 {
880  if (enabled && isConnected() && !_autoWhoTimer.isActive())
881  _autoWhoTimer.start();
882  else if (!enabled) {
883  _autoWhoTimer.stop();
884  _autoWhoCycleTimer.stop();
885  }
886 }
887 
888 
890 {
891  // Don't send autowho if there are still some pending
892  if (_autoWhoPending.count())
893  return;
894 
895  while (!_autoWhoQueue.isEmpty()) {
896  QString chan = _autoWhoQueue.takeFirst();
897  IrcChannel *ircchan = ircChannel(chan);
898  if (!ircchan) continue;
899  if (networkConfig()->autoWhoNickLimit() > 0 && ircchan->ircUsers().count() >= networkConfig()->autoWhoNickLimit())
900  continue;
901  _autoWhoPending[chan]++;
902  putRawLine("WHO " + serverEncode(chan));
903  break;
904  }
905  if (_autoWhoQueue.isEmpty() && networkConfig()->autoWhoEnabled() && !_autoWhoCycleTimer.isActive()) {
906  // Timer was stopped, means a new cycle is due immediately
907  _autoWhoCycleTimer.start();
909  }
910 }
911 
912 
913 #ifdef HAVE_SSL
914 void CoreNetwork::sslErrors(const QList<QSslError> &sslErrors)
915 {
916  Q_UNUSED(sslErrors)
917  socket.ignoreSslErrors();
918  // TODO errorhandling
919 }
920 
921 
922 #endif // HAVE_SSL
923 
925 {
926  if (_tokenBucket < _burstSize) {
927  _tokenBucket++;
928  }
929 
930  while (_msgQueue.size() > 0 && _tokenBucket > 0) {
931  writeToSocket(_msgQueue.takeFirst());
932  }
933 }
934 
935 
936 void CoreNetwork::writeToSocket(const QByteArray &data)
937 {
938  socket.write(data);
939  socket.write("\r\n");
940  _tokenBucket--;
941 }
942 
943 
945 {
946  if (_lastUsedServerIndex < serverList().count())
948 
949  if (!serverList().isEmpty())
950  return serverList()[0];
951 
952  return Network::Server();
953 }
954 
955 
957 {
958  if (connectionState() != Disconnected) {
959  qWarning() << "Requesting connect while already being connected!";
960  return;
961  }
962  QMetaObject::invokeMethod(const_cast<CoreNetwork *>(this), "connectToIrc", Qt::QueuedConnection);
963 }
964 
965 
967 {
968  if (connectionState() == Disconnected) {
969  qWarning() << "Requesting disconnect while not being connected!";
970  return;
971  }
972  userInputHandler()->handleQuit(BufferInfo(), QString());
973 }
974 
975 
977 {
979  setNetworkInfo(info);
980  Core::updateNetwork(coreSession()->user(), info);
981 
982  // the order of the servers might have changed,
983  // so we try to find the previously used server
985  for (int i = 0; i < serverList().count(); i++) {
987  if (server.host == currentServer.host && server.port == currentServer.port) {
989  break;
990  }
991  }
992 }
993 
994 
995 QList<QList<QByteArray>> CoreNetwork::splitMessage(const QString &cmd, const QString &message, std::function<QList<QByteArray>(QString &)> cmdGenerator)
996 {
997  QString wrkMsg(message);
998  QList<QList<QByteArray>> msgsToSend;
999 
1000  // do while (wrkMsg.size() > 0)
1001  do {
1002  // First, check to see if the whole message can be sent at once. The
1003  // cmdGenerator function is passed in by the caller and is used to encode
1004  // and encrypt (if applicable) the message, since different callers might
1005  // want to use different encoding or encode different values.
1006  int splitPos = wrkMsg.size();
1007  QList<QByteArray> initialSplitMsgEnc = cmdGenerator(wrkMsg);
1008  int initialOverrun = userInputHandler()->lastParamOverrun(cmd, initialSplitMsgEnc);
1009 
1010  if (initialOverrun) {
1011  // If the message was too long to be sent, first try splitting it along
1012  // word boundaries with QTextBoundaryFinder.
1013  QString splitMsg(wrkMsg);
1014  QTextBoundaryFinder qtbf(QTextBoundaryFinder::Word, splitMsg);
1015  qtbf.setPosition(initialSplitMsgEnc[1].size() - initialOverrun);
1016  QList<QByteArray> splitMsgEnc;
1017  int overrun = initialOverrun;
1018 
1019  while (overrun) {
1020  splitPos = qtbf.toPreviousBoundary();
1021 
1022  // splitPos==-1 means the QTBF couldn't find a split point at all and
1023  // splitPos==0 means the QTBF could only find a boundary at the beginning of
1024  // the string. Neither one of these works for us.
1025  if (splitPos > 0) {
1026  // If a split point could be found, split the message there, calculate the
1027  // overrun, and continue with the loop.
1028  splitMsg = splitMsg.left(splitPos);
1029  splitMsgEnc = cmdGenerator(splitMsg);
1030  overrun = userInputHandler()->lastParamOverrun(cmd, splitMsgEnc);
1031  }
1032  else {
1033  // If a split point could not be found (the beginning of the message
1034  // is reached without finding a split point short enough to send) and we
1035  // are still in Word mode, switch to Grapheme mode. We also need to restore
1036  // the full wrkMsg to splitMsg, since splitMsg may have been cut down during
1037  // the previous attempt to find a split point.
1038  if (qtbf.type() == QTextBoundaryFinder::Word) {
1039  splitMsg = wrkMsg;
1040  splitPos = splitMsg.size();
1041  QTextBoundaryFinder graphemeQtbf(QTextBoundaryFinder::Grapheme, splitMsg);
1042  graphemeQtbf.setPosition(initialSplitMsgEnc[1].size() - initialOverrun);
1043  qtbf = graphemeQtbf;
1044  }
1045  else {
1046  // If the QTBF fails to find a split point in Grapheme mode, we give up.
1047  // This should never happen, but it should be handled anyway.
1048  qWarning() << "Unexpected failure to split message!";
1049  return msgsToSend;
1050  }
1051  }
1052  }
1053 
1054  // Once a message of sendable length has been found, remove it from the wrkMsg and
1055  // add it to the list of messages to be sent.
1056  wrkMsg.remove(0, splitPos);
1057  msgsToSend.append(splitMsgEnc);
1058  }
1059  else{
1060  // If the entire remaining message is short enough to be sent all at once, remove
1061  // it from the wrkMsg and add it to the list of messages to be sent.
1062  wrkMsg.remove(0, splitPos);
1063  msgsToSend.append(initialSplitMsgEnc);
1064  }
1065  } while (wrkMsg.size() > 0);
1066 
1067  return msgsToSend;
1068 }