+
+void CoreNetwork::putCmd(const QString &cmd, const QList<QByteArray> ¶ms, const QByteArray &prefix)
+{
+ QByteArray msg;
+
+ if (!prefix.isEmpty())
+ msg += ":" + prefix + " ";
+ msg += cmd.toUpper().toAscii();
+
+ for (int i = 0; i < params.size() - 1; i++) {
+ msg += " " + params[i];
+ }
+ if (!params.isEmpty())
+ msg += " :" + params.last();
+
+ putRawLine(msg);
+}
+
+
+void CoreNetwork::setChannelJoined(const QString &channel)
+{
+ _autoWhoQueue.prepend(channel.toLower()); // prepend so this new chan is the first to be checked
+
+ Core::setChannelPersistent(userId(), networkId(), channel, true);
+ Core::setPersistentChannelKey(userId(), networkId(), channel, _channelKeys[channel.toLower()]);
+}
+
+
+void CoreNetwork::setChannelParted(const QString &channel)
+{
+ removeChannelKey(channel);
+ _autoWhoQueue.removeAll(channel.toLower());
+ _autoWhoPending.remove(channel.toLower());
+
+ Core::setChannelPersistent(userId(), networkId(), channel, false);
+}
+
+
+void CoreNetwork::addChannelKey(const QString &channel, const QString &key)
+{
+ if (key.isEmpty()) {
+ removeChannelKey(channel);
+ }
+ else {
+ _channelKeys[channel.toLower()] = key;
+ }
+}
+
+
+void CoreNetwork::removeChannelKey(const QString &channel)
+{
+ _channelKeys.remove(channel.toLower());
+}
+
+
+#ifdef HAVE_QCA2
+Cipher *CoreNetwork::cipher(const QString &target)
+{
+ if (target.isEmpty())
+ return 0;
+
+ if (!Cipher::neededFeaturesAvailable())
+ return 0;
+
+ CoreIrcChannel *channel = qobject_cast<CoreIrcChannel *>(ircChannel(target));
+ if (channel) {
+ return channel->cipher();
+ }
+ CoreIrcUser *user = qobject_cast<CoreIrcUser *>(ircUser(target));
+ if (user) {
+ return user->cipher();
+ } else if (!isChannelName(target)) {
+ return qobject_cast<CoreIrcUser*>(newIrcUser(target))->cipher();
+ }
+ return 0;
+}
+
+
+QByteArray CoreNetwork::cipherKey(const QString &target) const
+{
+ CoreIrcChannel *c = qobject_cast<CoreIrcChannel*>(ircChannel(target));
+ if (c)
+ return c->cipher()->key();
+
+ CoreIrcUser *u = qobject_cast<CoreIrcUser*>(ircUser(target));
+ if (u)
+ return u->cipher()->key();
+
+ return QByteArray();
+}
+
+
+void CoreNetwork::setCipherKey(const QString &target, const QByteArray &key)
+{
+ CoreIrcChannel *c = qobject_cast<CoreIrcChannel*>(ircChannel(target));
+ if (c) {
+ c->setEncrypted(c->cipher()->setKey(key));
+ return;
+ }
+
+ CoreIrcUser *u = qobject_cast<CoreIrcUser*>(ircUser(target));
+ if (!u && !isChannelName(target))
+ u = qobject_cast<CoreIrcUser*>(newIrcUser(target));
+
+ if (u) {
+ u->setEncrypted(u->cipher()->setKey(key));
+ return;
+ }
+}
+
+
+bool CoreNetwork::cipherUsesCBC(const QString &target)
+{
+ CoreIrcChannel *c = qobject_cast<CoreIrcChannel*>(ircChannel(target));
+ if (c)
+ return c->cipher()->usesCBC();
+ CoreIrcUser *u = qobject_cast<CoreIrcUser*>(ircUser(target));
+ if (u)
+ return u->cipher()->usesCBC();
+
+ return false;
+}
+#endif /* HAVE_QCA2 */
+
+bool CoreNetwork::setAutoWhoDone(const QString &channel)
+{
+ QString chan = channel.toLower();
+ if (_autoWhoPending.value(chan, 0) <= 0)
+ return false;
+ if (--_autoWhoPending[chan] <= 0)
+ _autoWhoPending.remove(chan);
+ return true;
+}
+
+
+void CoreNetwork::setMyNick(const QString &mynick)
+{
+ Network::setMyNick(mynick);
+ if (connectionState() == Network::Initializing)
+ networkInitialized();
+}
+
+
+void CoreNetwork::socketHasData()
+{
+ while (socket.canReadLine()) {
+ QByteArray s = socket.readLine();
+ s.chop(2);
+ NetworkDataEvent *event = new NetworkDataEvent(EventManager::NetworkIncoming, this, s);
+#if QT_VERSION >= 0x040700
+ event->setTimestamp(QDateTime::currentDateTimeUtc());
+#else
+ event->setTimestamp(QDateTime::currentDateTime().toUTC());
+#endif
+ emit newEvent(event);
+ }
+}
+
+
+void CoreNetwork::socketError(QAbstractSocket::SocketError error)
+{
+ if (_quitRequested && error == QAbstractSocket::RemoteHostClosedError)
+ return;
+
+ _previousConnectionAttemptFailed = true;
+ qWarning() << qPrintable(tr("Could not connect to %1 (%2)").arg(networkName(), socket.errorString()));
+ emit connectionError(socket.errorString());
+ displayMsg(Message::Error, BufferInfo::StatusBuffer, "", tr("Connection failure: %1").arg(socket.errorString()));
+ emitConnectionError(socket.errorString());
+ if (socket.state() < QAbstractSocket::ConnectedState) {
+ socketDisconnected();
+ }
+}
+
+
+void CoreNetwork::socketInitialized()
+{
+ Server server = usedServer();
+#ifdef HAVE_SSL
+ if (server.useSsl && !socket.isEncrypted())
+ return;
+#endif
+
+ CoreIdentity *identity = identityPtr();
+ if (!identity) {
+ qCritical() << "Identity invalid!";
+ disconnectFromIrc();
+ return;
+ }
+
+ emit socketInitialized(identity, localAddress(), localPort(), peerAddress(), peerPort());
+
+ enablePingTimeout();
+
+ // TokenBucket to avoid sending too much at once
+ _messageDelay = 2200; // this seems to be a safe value (2.2 seconds delay)
+ _burstSize = 5;
+ _tokenBucket = _burstSize; // init with a full bucket
+ _tokenBucketTimer.start(_messageDelay);
+
+ if (networkInfo().useSasl) {
+ putRawLine(serverEncode(QString("CAP REQ :sasl")));
+ }
+ if (!server.password.isEmpty()) {
+ putRawLine(serverEncode(QString("PASS %1").arg(server.password)));
+ }
+ QString nick;
+ if (identity->nicks().isEmpty()) {
+ nick = "quassel";
+ qWarning() << "CoreNetwork::socketInitialized(): no nicks supplied for identity Id" << identity->id();
+ }
+ else {
+ nick = identity->nicks()[0];
+ }
+ putRawLine(serverEncode(QString("NICK :%1").arg(nick)));
+ putRawLine(serverEncode(QString("USER %1 8 * :%2").arg(identity->ident(), identity->realName())));
+}
+
+
+void CoreNetwork::socketDisconnected()
+{
+ disablePingTimeout();
+ _msgQueue.clear();
+
+ _autoWhoCycleTimer.stop();
+ _autoWhoTimer.stop();
+ _autoWhoQueue.clear();
+ _autoWhoPending.clear();
+
+ _socketCloseTimer.stop();
+
+ _tokenBucketTimer.stop();
+
+ IrcUser *me_ = me();
+ if (me_) {
+ foreach(QString channel, me_->channels())
+ displayMsg(Message::Quit, BufferInfo::ChannelBuffer, channel, _quitReason, me_->hostmask());
+ }
+
+ setConnected(false);
+ emit disconnected(networkId());
+ emit socketDisconnected(identityPtr(), localAddress(), localPort(), peerAddress(), peerPort());
+ if (_quitRequested) {
+ _quitRequested = false;
+ setConnectionState(Network::Disconnected);
+ Core::setNetworkConnected(userId(), networkId(), false);
+ }
+ else if (_autoReconnectCount != 0) {
+ setConnectionState(Network::Reconnecting);
+ if (_autoReconnectCount == -1 || _autoReconnectCount == autoReconnectRetries())
+ doAutoReconnect(); // first try is immediate
+ else
+ _autoReconnectTimer.start();
+ }
+}
+
+
+void CoreNetwork::socketStateChanged(QAbstractSocket::SocketState socketState)
+{
+ Network::ConnectionState state;
+ switch (socketState) {
+ case QAbstractSocket::UnconnectedState:
+ state = Network::Disconnected;
+ break;
+ case QAbstractSocket::HostLookupState:
+ case QAbstractSocket::ConnectingState:
+ state = Network::Connecting;
+ break;
+ case QAbstractSocket::ConnectedState:
+ state = Network::Initializing;
+ break;
+ case QAbstractSocket::ClosingState:
+ state = Network::Disconnecting;
+ break;
+ default:
+ state = Network::Disconnected;
+ }
+ setConnectionState(state);
+}
+
+
+void CoreNetwork::networkInitialized()
+{
+ setConnectionState(Network::Initialized);
+ setConnected(true);
+ _quitRequested = false;
+
+ if (useAutoReconnect()) {
+ // reset counter
+ _autoReconnectCount = unlimitedReconnectRetries() ? -1 : autoReconnectRetries();
+ }
+
+ // restore away state
+ QString awayMsg = Core::awayMessage(userId(), networkId());
+ if (!awayMsg.isEmpty())
+ userInputHandler()->handleAway(BufferInfo(), Core::awayMessage(userId(), networkId()));
+
+ sendPerform();
+
+ _sendPings = true;
+
+ if (networkConfig()->autoWhoEnabled()) {
+ _autoWhoCycleTimer.start();
+ _autoWhoTimer.start();
+ startAutoWhoCycle(); // FIXME wait for autojoin to be completed
+ }
+
+ Core::bufferInfo(userId(), networkId(), BufferInfo::StatusBuffer); // create status buffer
+ Core::setNetworkConnected(userId(), networkId(), true);
+}
+
+
+void CoreNetwork::sendPerform()
+{
+ BufferInfo statusBuf = BufferInfo::fakeStatusBuffer(networkId());
+
+ // do auto identify
+ if (useAutoIdentify() && !autoIdentifyService().isEmpty() && !autoIdentifyPassword().isEmpty()) {
+ userInputHandler()->handleMsg(statusBuf, QString("%1 IDENTIFY %2").arg(autoIdentifyService(), autoIdentifyPassword()));
+ }
+
+ // restore old user modes if server default mode is set.
+ IrcUser *me_ = me();
+ if (me_) {
+ if (!me_->userModes().isEmpty()) {
+ restoreUserModes();
+ }
+ else {
+ connect(me_, SIGNAL(userModesSet(QString)), this, SLOT(restoreUserModes()));
+ connect(me_, SIGNAL(userModesAdded(QString)), this, SLOT(restoreUserModes()));
+ }
+ }
+
+ // send perform list
+ foreach(QString line, perform()) {
+ if (!line.isEmpty()) userInput(statusBuf, line);
+ }
+
+ // rejoin channels we've been in
+ if (rejoinChannels()) {
+ QStringList channels, keys;
+ foreach(QString chan, coreSession()->persistentChannels(networkId()).keys()) {
+ QString key = channelKey(chan);
+ if (!key.isEmpty()) {
+ channels.prepend(chan);
+ keys.prepend(key);
+ }
+ else {
+ channels.append(chan);
+ }
+ }
+ QString joinString = QString("%1 %2").arg(channels.join(",")).arg(keys.join(",")).trimmed();
+ if (!joinString.isEmpty())
+ userInputHandler()->handleJoin(statusBuf, joinString);
+ }
+}
+
+
+void CoreNetwork::restoreUserModes()
+{
+ IrcUser *me_ = me();
+ Q_ASSERT(me_);
+
+ disconnect(me_, SIGNAL(userModesSet(QString)), this, SLOT(restoreUserModes()));
+ disconnect(me_, SIGNAL(userModesAdded(QString)), this, SLOT(restoreUserModes()));
+
+ QString modesDelta = Core::userModes(userId(), networkId());
+ QString currentModes = me_->userModes();
+
+ QString addModes, removeModes;
+ if (modesDelta.contains('-')) {
+ addModes = modesDelta.section('-', 0, 0);
+ removeModes = modesDelta.section('-', 1);
+ }
+ else {
+ addModes = modesDelta;
+ }
+
+ addModes.remove(QRegExp(QString("[%1]").arg(currentModes)));
+ if (currentModes.isEmpty())
+ removeModes = QString();
+ else
+ removeModes.remove(QRegExp(QString("[^%1]").arg(currentModes)));
+
+ if (addModes.isEmpty() && removeModes.isEmpty())
+ return;
+
+ if (!addModes.isEmpty())
+ addModes = '+' + addModes;
+ if (!removeModes.isEmpty())
+ removeModes = '-' + removeModes;
+
+ // don't use InputHandler::handleMode() as it keeps track of our persistent mode changes
+ putRawLine(serverEncode(QString("MODE %1 %2%3").arg(me_->nick()).arg(addModes).arg(removeModes)));
+}
+
+
+void CoreNetwork::updateIssuedModes(const QString &requestedModes)
+{
+ QString addModes;
+ QString removeModes;
+ bool addMode = true;
+
+ for (int i = 0; i < requestedModes.length(); i++) {
+ if (requestedModes[i] == '+') {
+ addMode = true;
+ continue;
+ }
+ if (requestedModes[i] == '-') {
+ addMode = false;
+ continue;
+ }
+ if (addMode) {
+ addModes += requestedModes[i];
+ }
+ else {
+ removeModes += requestedModes[i];
+ }
+ }
+
+ QString addModesOld = _requestedUserModes.section('-', 0, 0);
+ QString removeModesOld = _requestedUserModes.section('-', 1);
+
+ addModes.remove(QRegExp(QString("[%1]").arg(addModesOld))); // deduplicate
+ addModesOld.remove(QRegExp(QString("[%1]").arg(removeModes))); // update
+ addModes += addModesOld;
+
+ removeModes.remove(QRegExp(QString("[%1]").arg(removeModesOld))); // deduplicate
+ removeModesOld.remove(QRegExp(QString("[%1]").arg(addModes))); // update
+ removeModes += removeModesOld;
+
+ _requestedUserModes = QString("%1-%2").arg(addModes).arg(removeModes);
+}
+
+
+void CoreNetwork::updatePersistentModes(QString addModes, QString removeModes)
+{
+ QString persistentUserModes = Core::userModes(userId(), networkId());
+
+ QString requestedAdd = _requestedUserModes.section('-', 0, 0);
+ QString requestedRemove = _requestedUserModes.section('-', 1);
+
+ QString persistentAdd, persistentRemove;
+ if (persistentUserModes.contains('-')) {
+ persistentAdd = persistentUserModes.section('-', 0, 0);
+ persistentRemove = persistentUserModes.section('-', 1);
+ }
+ else {
+ persistentAdd = persistentUserModes;
+ }
+
+ // remove modes we didn't issue
+ if (requestedAdd.isEmpty())
+ addModes = QString();
+ else
+ addModes.remove(QRegExp(QString("[^%1]").arg(requestedAdd)));
+
+ if (requestedRemove.isEmpty())
+ removeModes = QString();
+ else
+ removeModes.remove(QRegExp(QString("[^%1]").arg(requestedRemove)));
+
+ // deduplicate
+ persistentAdd.remove(QRegExp(QString("[%1]").arg(addModes)));
+ persistentRemove.remove(QRegExp(QString("[%1]").arg(removeModes)));
+
+ // update
+ persistentAdd.remove(QRegExp(QString("[%1]").arg(removeModes)));
+ persistentRemove.remove(QRegExp(QString("[%1]").arg(addModes)));
+
+ // update issued mode list
+ requestedAdd.remove(QRegExp(QString("[%1]").arg(addModes)));
+ requestedRemove.remove(QRegExp(QString("[%1]").arg(removeModes)));
+ _requestedUserModes = QString("%1-%2").arg(requestedAdd).arg(requestedRemove);
+
+ persistentAdd += addModes;
+ persistentRemove += removeModes;
+ Core::setUserModes(userId(), networkId(), QString("%1-%2").arg(persistentAdd).arg(persistentRemove));
+}
+
+
+void CoreNetwork::resetPersistentModes()
+{
+ _requestedUserModes = QString('-');
+ Core::setUserModes(userId(), networkId(), QString());
+}
+
+
+void CoreNetwork::setUseAutoReconnect(bool use)
+{
+ Network::setUseAutoReconnect(use);
+ if (!use)
+ _autoReconnectTimer.stop();
+}
+
+
+void CoreNetwork::setAutoReconnectInterval(quint32 interval)
+{
+ Network::setAutoReconnectInterval(interval);
+ _autoReconnectTimer.setInterval(interval * 1000);
+}
+
+
+void CoreNetwork::setAutoReconnectRetries(quint16 retries)
+{
+ Network::setAutoReconnectRetries(retries);
+ if (_autoReconnectCount != 0) {
+ if (unlimitedReconnectRetries())
+ _autoReconnectCount = -1;
+ else
+ _autoReconnectCount = autoReconnectRetries();
+ }
+}
+
+
+void CoreNetwork::doAutoReconnect()
+{
+ if (connectionState() != Network::Disconnected && connectionState() != Network::Reconnecting) {
+ qWarning() << "CoreNetwork::doAutoReconnect(): Cannot reconnect while not being disconnected!";
+ return;
+ }
+ if (_autoReconnectCount > 0 || _autoReconnectCount == -1)
+ _autoReconnectCount--; // -2 means we delay the next reconnect
+ connectToIrc(true);
+}
+
+
+void CoreNetwork::sendPing()
+{
+ uint now = QDateTime::currentDateTime().toTime_t();
+ if (_pingCount != 0) {
+ qDebug() << "UserId:" << userId() << "Network:" << networkName() << "missed" << _pingCount << "pings."
+ << "BA:" << socket.bytesAvailable() << "BTW:" << socket.bytesToWrite();
+ }
+ if ((int)_pingCount >= networkConfig()->maxPingCount() && now - _lastPingTime <= (uint)(_pingTimer.interval() / 1000) + 1) {
+ // the second check compares the actual elapsed time since the last ping and the pingTimer interval
+ // if the interval is shorter then the actual elapsed time it means that this thread was somehow blocked
+ // and unable to even handle a ping answer. So we ignore those misses.
+ disconnectFromIrc(false, QString("No Ping reply in %1 seconds.").arg(_pingCount * _pingTimer.interval() / 1000), true /* withReconnect */);
+ }
+ else {
+ _lastPingTime = now;
+ _pingCount++;
+ // Don't send pings until the network is initialized
+ if(_sendPings)
+ userInputHandler()->handlePing(BufferInfo(), QString());
+ }
+}
+
+
+void CoreNetwork::enablePingTimeout(bool enable)
+{
+ if (!enable)
+ disablePingTimeout();
+ else {
+ resetPingTimeout();
+ if (networkConfig()->pingTimeoutEnabled())
+ _pingTimer.start();
+ }
+}
+
+
+void CoreNetwork::disablePingTimeout()
+{
+ _pingTimer.stop();
+ _sendPings = false;
+ resetPingTimeout();
+}
+
+
+void CoreNetwork::setPingInterval(int interval)
+{
+ _pingTimer.setInterval(interval * 1000);
+}
+
+
+/******** AutoWHO ********/
+
+void CoreNetwork::startAutoWhoCycle()
+{
+ if (!_autoWhoQueue.isEmpty()) {
+ _autoWhoCycleTimer.stop();
+ return;
+ }
+ _autoWhoQueue = channels();
+}
+
+
+void CoreNetwork::setAutoWhoDelay(int delay)
+{
+ _autoWhoTimer.setInterval(delay * 1000);
+}
+
+
+void CoreNetwork::setAutoWhoInterval(int interval)
+{
+ _autoWhoCycleTimer.setInterval(interval * 1000);
+}
+
+
+void CoreNetwork::setAutoWhoEnabled(bool enabled)
+{
+ if (enabled && isConnected() && !_autoWhoTimer.isActive())
+ _autoWhoTimer.start();
+ else if (!enabled) {
+ _autoWhoTimer.stop();
+ _autoWhoCycleTimer.stop();
+ }
+}
+
+
+void CoreNetwork::sendAutoWho()
+{
+ // Don't send autowho if there are still some pending
+ if (_autoWhoPending.count())
+ return;
+
+ while (!_autoWhoQueue.isEmpty()) {
+ QString chan = _autoWhoQueue.takeFirst();
+ IrcChannel *ircchan = ircChannel(chan);
+ if (!ircchan) continue;
+ if (networkConfig()->autoWhoNickLimit() > 0 && ircchan->ircUsers().count() >= networkConfig()->autoWhoNickLimit())
+ continue;
+ _autoWhoPending[chan]++;
+ putRawLine("WHO " + serverEncode(chan));
+ break;
+ }
+ if (_autoWhoQueue.isEmpty() && networkConfig()->autoWhoEnabled() && !_autoWhoCycleTimer.isActive()) {
+ // Timer was stopped, means a new cycle is due immediately
+ _autoWhoCycleTimer.start();
+ startAutoWhoCycle();
+ }
+}
+
+
+#ifdef HAVE_SSL
+void CoreNetwork::sslErrors(const QList<QSslError> &sslErrors)
+{
+ Q_UNUSED(sslErrors)
+ socket.ignoreSslErrors();
+ // TODO errorhandling
+}
+
+
+#endif // HAVE_SSL
+
+void CoreNetwork::fillBucketAndProcessQueue()
+{
+ if (_tokenBucket < _burstSize) {
+ _tokenBucket++;
+ }
+
+ while (_msgQueue.size() > 0 && _tokenBucket > 0) {
+ writeToSocket(_msgQueue.takeFirst());
+ }
+}
+
+
+void CoreNetwork::writeToSocket(const QByteArray &data)
+{
+ socket.write(data);
+ socket.write("\r\n");
+ _tokenBucket--;
+}
+
+
+Network::Server CoreNetwork::usedServer() const
+{
+ if (_lastUsedServerIndex < serverList().count())
+ return serverList()[_lastUsedServerIndex];
+
+ if (!serverList().isEmpty())
+ return serverList()[0];
+
+ return Network::Server();
+}
+
+
+void CoreNetwork::requestConnect() const
+{
+ if (connectionState() != Disconnected) {
+ qWarning() << "Requesting connect while already being connected!";
+ return;
+ }
+ QMetaObject::invokeMethod(const_cast<CoreNetwork *>(this), "connectToIrc", Qt::QueuedConnection);
+}
+
+
+void CoreNetwork::requestDisconnect() const
+{
+ if (connectionState() == Disconnected) {
+ qWarning() << "Requesting disconnect while not being connected!";
+ return;
+ }
+ userInputHandler()->handleQuit(BufferInfo(), QString());
+}
+
+
+void CoreNetwork::requestSetNetworkInfo(const NetworkInfo &info)
+{
+ Network::Server currentServer = usedServer();
+ setNetworkInfo(info);
+ Core::updateNetwork(coreSession()->user(), info);
+
+ // the order of the servers might have changed,
+ // so we try to find the previously used server
+ _lastUsedServerIndex = 0;
+ for (int i = 0; i < serverList().count(); i++) {
+ Network::Server server = serverList()[i];
+ if (server.host == currentServer.host && server.port == currentServer.port) {
+ _lastUsedServerIndex = i;
+ break;
+ }
+ }