/***************************************************************************
- * Copyright (C) 2005-08 by the Quassel Project *
+ * Copyright (C) 2005-2015 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
+#include <QHostInfo>
+
#include "corenetwork.h"
+
+#include "core.h"
+#include "coreidentity.h"
+#include "corenetworkconfig.h"
#include "coresession.h"
+#include "coreuserinputhandler.h"
+#include "networkevent.h"
+INIT_SYNCABLE_OBJECT(CoreNetwork)
CoreNetwork::CoreNetwork(const NetworkId &networkid, CoreSession *session)
- : Network(networkid, session),
- _coreSession(session)
+ : Network(networkid, session),
+ _coreSession(session),
+ _userInputHandler(new CoreUserInputHandler(this)),
+ _autoReconnectCount(0),
+ _quitRequested(false),
+
+ _previousConnectionAttemptFailed(false),
+ _lastUsedServerIndex(0),
+
+ _lastPingTime(0),
+ _pingCount(0),
+ _sendPings(false),
+ _requestedUserModes('-')
+{
+ _autoReconnectTimer.setSingleShot(true);
+ connect(&_socketCloseTimer, SIGNAL(timeout()), this, SLOT(socketCloseTimeout()));
+
+ setPingInterval(networkConfig()->pingInterval());
+ connect(&_pingTimer, SIGNAL(timeout()), this, SLOT(sendPing()));
+
+ setAutoWhoDelay(networkConfig()->autoWhoDelay());
+ setAutoWhoInterval(networkConfig()->autoWhoInterval());
+
+ QHash<QString, QString> channels = coreSession()->persistentChannels(networkId());
+ foreach(QString chan, channels.keys()) {
+ _channelKeys[chan.toLower()] = channels[chan];
+ }
+
+ connect(networkConfig(), SIGNAL(pingTimeoutEnabledSet(bool)), SLOT(enablePingTimeout(bool)));
+ connect(networkConfig(), SIGNAL(pingIntervalSet(int)), SLOT(setPingInterval(int)));
+ connect(networkConfig(), SIGNAL(autoWhoEnabledSet(bool)), SLOT(setAutoWhoEnabled(bool)));
+ connect(networkConfig(), SIGNAL(autoWhoIntervalSet(int)), SLOT(setAutoWhoInterval(int)));
+ connect(networkConfig(), SIGNAL(autoWhoDelaySet(int)), SLOT(setAutoWhoDelay(int)));
+
+ connect(&_autoReconnectTimer, SIGNAL(timeout()), this, SLOT(doAutoReconnect()));
+ connect(&_autoWhoTimer, SIGNAL(timeout()), this, SLOT(sendAutoWho()));
+ connect(&_autoWhoCycleTimer, SIGNAL(timeout()), this, SLOT(startAutoWhoCycle()));
+ connect(&_tokenBucketTimer, SIGNAL(timeout()), this, SLOT(fillBucketAndProcessQueue()));
+
+ connect(&socket, SIGNAL(connected()), this, SLOT(socketInitialized()));
+ connect(&socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(socketError(QAbstractSocket::SocketError)));
+ connect(&socket, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SLOT(socketStateChanged(QAbstractSocket::SocketState)));
+ connect(&socket, SIGNAL(readyRead()), this, SLOT(socketHasData()));
+#ifdef HAVE_SSL
+ connect(&socket, SIGNAL(encrypted()), this, SLOT(socketInitialized()));
+ connect(&socket, SIGNAL(sslErrors(const QList<QSslError> &)), this, SLOT(sslErrors(const QList<QSslError> &)));
+#endif
+ connect(this, SIGNAL(newEvent(Event *)), coreSession()->eventManager(), SLOT(postEvent(Event *)));
+
+ if (Quassel::isOptionSet("oidentd")) {
+ connect(this, SIGNAL(socketInitialized(const CoreIdentity*, QHostAddress, quint16, QHostAddress, quint16)), Core::instance()->oidentdConfigGenerator(), SLOT(addSocket(const CoreIdentity*, QHostAddress, quint16, QHostAddress, quint16)), Qt::BlockingQueuedConnection);
+ connect(this, SIGNAL(socketDisconnected(const CoreIdentity*, QHostAddress, quint16, QHostAddress, quint16)), Core::instance()->oidentdConfigGenerator(), SLOT(removeSocket(const CoreIdentity*, QHostAddress, quint16, QHostAddress, quint16)));
+ }
+}
+
+
+CoreNetwork::~CoreNetwork()
+{
+ if (connectionState() != Disconnected && connectionState() != Network::Reconnecting)
+ disconnectFromIrc(false); // clean up, but this does not count as requested disconnect!
+ disconnect(&socket, 0, this, 0); // this keeps the socket from triggering events during clean up
+ delete _userInputHandler;
+}
+
+
+QString CoreNetwork::channelDecode(const QString &bufferName, const QByteArray &string) const
+{
+ if (!bufferName.isEmpty()) {
+ IrcChannel *channel = ircChannel(bufferName);
+ if (channel)
+ return channel->decodeString(string);
+ }
+ return decodeString(string);
+}
+
+
+QString CoreNetwork::userDecode(const QString &userNick, const QByteArray &string) const
+{
+ IrcUser *user = ircUser(userNick);
+ if (user)
+ return user->decodeString(string);
+ return decodeString(string);
+}
+
+
+QByteArray CoreNetwork::channelEncode(const QString &bufferName, const QString &string) const
+{
+ if (!bufferName.isEmpty()) {
+ IrcChannel *channel = ircChannel(bufferName);
+ if (channel)
+ return channel->encodeString(string);
+ }
+ return encodeString(string);
+}
+
+
+QByteArray CoreNetwork::userEncode(const QString &userNick, const QString &string) const
+{
+ IrcUser *user = ircUser(userNick);
+ if (user)
+ return user->encodeString(string);
+ return encodeString(string);
+}
+
+
+void CoreNetwork::connectToIrc(bool reconnecting)
+{
+ if (!reconnecting && useAutoReconnect() && _autoReconnectCount == 0) {
+ _autoReconnectTimer.setInterval(autoReconnectInterval() * 1000);
+ if (unlimitedReconnectRetries())
+ _autoReconnectCount = -1;
+ else
+ _autoReconnectCount = autoReconnectRetries();
+ }
+ if (serverList().isEmpty()) {
+ qWarning() << "Server list empty, ignoring connect request!";
+ return;
+ }
+ CoreIdentity *identity = identityPtr();
+ if (!identity) {
+ qWarning() << "Invalid identity configures, ignoring connect request!";
+ return;
+ }
+
+ // cleaning up old quit reason
+ _quitReason.clear();
+
+ // reset capability negotiation in case server changes during a reconnect
+ _capsQueued.clear();
+ _capsPending.clear();
+ _capsSupported.clear();
+
+ // use a random server?
+ if (useRandomServer()) {
+ _lastUsedServerIndex = qrand() % serverList().size();
+ }
+ else if (_previousConnectionAttemptFailed) {
+ // cycle to next server if previous connection attempt failed
+ displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Connection failed. Cycling to next Server"));
+ if (++_lastUsedServerIndex >= serverList().size()) {
+ _lastUsedServerIndex = 0;
+ }
+ }
+ _previousConnectionAttemptFailed = false;
+
+ Server server = usedServer();
+ displayStatusMsg(tr("Connecting to %1:%2...").arg(server.host).arg(server.port));
+ displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Connecting to %1:%2...").arg(server.host).arg(server.port));
+
+ if (server.useProxy) {
+ QNetworkProxy proxy((QNetworkProxy::ProxyType)server.proxyType, server.proxyHost, server.proxyPort, server.proxyUser, server.proxyPass);
+ socket.setProxy(proxy);
+ }
+ else {
+ socket.setProxy(QNetworkProxy::NoProxy);
+ }
+
+ enablePingTimeout();
+
+ // Qt caches DNS entries for a minute, resulting in round-robin (e.g. for chat.freenode.net) not working if several users
+ // connect at a similar time. QHostInfo::fromName(), however, always performs a fresh lookup, overwriting the cache entry.
+ QHostInfo::fromName(server.host);
+
+#ifdef HAVE_SSL
+ if (server.useSsl) {
+ CoreIdentity *identity = identityPtr();
+ if (identity) {
+ socket.setLocalCertificate(identity->sslCert());
+ socket.setPrivateKey(identity->sslKey());
+ }
+ socket.connectToHostEncrypted(server.host, server.port);
+ }
+ else {
+ socket.connectToHost(server.host, server.port);
+ }
+#else
+ socket.connectToHost(server.host, server.port);
+#endif
+}
+
+
+void CoreNetwork::disconnectFromIrc(bool requested, const QString &reason, bool withReconnect)
+{
+ _quitRequested = requested; // see socketDisconnected();
+ if (!withReconnect) {
+ _autoReconnectTimer.stop();
+ _autoReconnectCount = 0; // prohibiting auto reconnect
+ }
+ disablePingTimeout();
+ _msgQueue.clear();
+
+ IrcUser *me_ = me();
+ if (me_) {
+ QString awayMsg;
+ if (me_->isAway())
+ awayMsg = me_->awayMessage();
+ Core::setAwayMessage(userId(), networkId(), awayMsg);
+ }
+
+ if (reason.isEmpty() && identityPtr())
+ _quitReason = identityPtr()->quitReason();
+ else
+ _quitReason = reason;
+
+ displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Disconnecting. (%1)").arg((!requested && !withReconnect) ? tr("Core Shutdown") : _quitReason));
+ if (socket.state() == QAbstractSocket::UnconnectedState) {
+ socketDisconnected();
+ } else {
+ if (socket.state() == QAbstractSocket::ConnectedState) {
+ userInputHandler()->issueQuit(_quitReason);
+ } else {
+ socket.close();
+ }
+ if (requested || withReconnect) {
+ // the irc server has 10 seconds to close the socket
+ _socketCloseTimer.start(10000);
+ }
+ }
+}
+
+
+void CoreNetwork::userInput(BufferInfo buf, QString msg)
+{
+ userInputHandler()->handleUserInput(buf, msg);
+}
+
+
+void CoreNetwork::putRawLine(QByteArray s)
+{
+ if (_tokenBucket > 0)
+ writeToSocket(s);
+ else
+ _msgQueue.append(s);
+}
+
+
+void CoreNetwork::putCmd(const QString &cmd, const QList<QByteArray> ¶ms, const QByteArray &prefix)
+{
+ QByteArray msg;
+
+ if (!prefix.isEmpty())
+ msg += ":" + prefix + " ";
+ msg += cmd.toUpper().toLatin1();
+
+ for (int i = 0; i < params.size(); i++) {
+ msg += " ";
+
+ if (i == params.size() - 1 && (params[i].contains(' ') || (!params[i].isEmpty() && params[i][0] == ':')))
+ msg += ":";
+
+ msg += params[i];
+ }
+
+ putRawLine(msg);
+}
+
+
+void CoreNetwork::putCmd(const QString &cmd, const QList<QList<QByteArray>> ¶ms, const QByteArray &prefix)
+{
+ QListIterator<QList<QByteArray>> i(params);
+ while (i.hasNext()) {
+ QList<QByteArray> msg = i.next();
+ putCmd(cmd, msg, prefix);
+ }
+}
+
+
+void CoreNetwork::setChannelJoined(const QString &channel)
+{
+ queueAutoWhoOneshot(channel); // check this new channel first
+
+ 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();
+ if (s.endsWith("\r\n"))
+ s.chop(2);
+ else if (s.endsWith("\n"))
+ s.chop(1);
+ NetworkDataEvent *event = new NetworkDataEvent(EventManager::NetworkIncoming, this, s);
+ event->setTimestamp(QDateTime::currentDateTimeUtc());
+ 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()
+{
+ CoreIdentity *identity = identityPtr();
+ if (!identity) {
+ qCritical() << "Identity invalid!";
+ disconnectFromIrc();
+ return;
+ }
+
+ Server server = usedServer();
+
+#ifdef HAVE_SSL
+ // Non-SSL connections enter here only once, always emit socketInitialized(...) in these cases
+ // SSL connections call socketInitialized() twice, only emit socketInitialized(...) on the first (not yet encrypted) run
+ if (!server.useSsl || !socket.isEncrypted()) {
+ emit socketInitialized(identity, localAddress(), localPort(), peerAddress(), peerPort());
+ }
+
+ if (server.useSsl && !socket.isEncrypted()) {
+ // We'll finish setup once we're encrypted, and called again
+ return;
+ }
+#else
+ emit socketInitialized(identity, localAddress(), localPort(), peerAddress(), peerPort());
+#endif
+
+ socket.setSocketOption(QAbstractSocket::KeepAliveOption, true);
+
+ // 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);
+
+ // Request capabilities as per IRCv3.2 specifications
+ // Older servers should ignore this; newer servers won't downgrade to RFC1459
+ displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Requesting capability list..."));
+ putRawLine(serverEncode(QString("CAP LS 302")));
+
+ 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;
+ socketDisconnected();
+ 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);
+}
+
+/******** IRCv3 Capability Negotiation ********/
+
+void CoreNetwork::addCap(const QString &capability, const QString &value)
+{
+ // Clear from pending list, add to supported list
+ if (!_capsSupported.contains(capability)) {
+ if (value != "") {
+ // Value defined, just use it
+ _capsSupported[capability] = value;
+ } else if (_capsPending.contains(capability)) {
+ // Value not defined, but a pending capability had a value.
+ // E.g. CAP * LS :sasl=PLAIN multi-prefix
+ // Preserve the capability value for later use.
+ _capsSupported[capability] = _capsPending[capability];
+ } else {
+ // No value ever given, assign to blank
+ _capsSupported[capability] = QString();
+ }
+ }
+ if (_capsPending.contains(capability))
+ _capsPending.remove(capability);
+
+ // Handle special cases here
+ // TODO Use events if it makes sense
+ if (capability == "away-notify") {
+ // away-notify enabled, stop the automatic timers, handle manually
+ setAutoWhoEnabled(false);
+ }
+}
+
+void CoreNetwork::removeCap(const QString &capability)
+{
+ // Clear from pending list, remove from supported list
+ if (_capsPending.contains(capability))
+ _capsPending.remove(capability);
+ if (_capsSupported.contains(capability))
+ _capsSupported.remove(capability);
+
+ // Handle special cases here
+ // TODO Use events if it makes sense
+ if (capability == "away-notify") {
+ // away-notify disabled, enable autowho according to configuration
+ setAutoWhoEnabled(networkConfig()->autoWhoEnabled());
+ }
+}
+
+QString CoreNetwork::capValue(const QString &capability) const
+{
+ // If a supported capability exists, good; if not, return pending value.
+ // If capability isn't supported after all, the pending entry will be removed.
+ if (_capsSupported.contains(capability))
+ return _capsSupported[capability];
+ else if (_capsPending.contains(capability))
+ return _capsPending[capability];
+ else
+ return QString();
+}
+
+void CoreNetwork::queuePendingCap(const QString &capability, const QString &value)
+{
+ if (!_capsQueued.contains(capability)) {
+ _capsQueued.append(capability);
+ // Some capabilities may have values attached, preserve them as pending
+ _capsPending[capability] = value;
+ }
+}
+
+QString CoreNetwork::takeQueuedCap()
+{
+ if (!_capsQueued.empty()) {
+ return _capsQueued.takeFirst();
+ } else {
+ return QString();
+ }
+}
+
+/******** AutoWHO ********/
+
+void CoreNetwork::startAutoWhoCycle()
+{
+ if (!_autoWhoQueue.isEmpty()) {
+ _autoWhoCycleTimer.stop();
+ return;
+ }
+ _autoWhoQueue = channels();
+}
+
+void CoreNetwork::queueAutoWhoOneshot(const QString &channelOrNick)
+{
+ // Prepend so these new channels/nicks are the first to be checked
+ // Don't allow duplicates
+ if (!_autoWhoQueue.contains(channelOrNick.toLower())) {
+ _autoWhoQueue.prepend(channelOrNick.toLower());
+ }
+ if (useCapAwayNotify()) {
+ // When away-notify is active, the timer's stopped. Start a new cycle to who this channel.
+ setAutoWhoEnabled(true);
+ }
+}
+
+
+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 chanOrNick = _autoWhoQueue.takeFirst();
+ // Check if it's a known channel or nick
+ IrcChannel *ircchan = ircChannel(chanOrNick);
+ IrcUser *ircuser = ircUser(chanOrNick);
+ if (ircchan) {
+ // Apply channel limiting rules
+ // If using away-notify, don't impose channel size limits in order to capture away
+ // state of everyone. Auto-who won't run on a timer so network impact is minimal.
+ if (networkConfig()->autoWhoNickLimit() > 0
+ && ircchan->ircUsers().count() >= networkConfig()->autoWhoNickLimit()
+ && !useCapAwayNotify())
+ continue;
+ _autoWhoPending[chanOrNick.toLower()]++;
+ } else if (ircuser) {
+ // Checking a nick, add it to the pending list
+ _autoWhoPending[ircuser->nick().toLower()]++;
+ } else {
+ // Not a channel or a nick, skip it
+ qDebug() << "Skipping who polling of unknown channel or nick" << chanOrNick;
+ continue;
+ }
+ // TODO Use WHO extended to poll away users and/or user accounts
+ // If a server supports it, supports("WHOX") will be true
+ // See: http://faerion.sourceforge.net/doc/irc/whox.var and HexChat
+ putRawLine("WHO " + serverEncode(chanOrNick));
+ break;
+ }
+
+ if (_autoWhoQueue.isEmpty() && networkConfig()->autoWhoEnabled() && !_autoWhoCycleTimer.isActive()
+ && !useCapAwayNotify()) {
+ // Timer was stopped, means a new cycle is due immediately
+ // Don't run a new cycle if using away-notify; server will notify as appropriate
+ _autoWhoCycleTimer.start();
+ startAutoWhoCycle();
+ } else if (useCapAwayNotify() && _autoWhoCycleTimer.isActive()) {
+ // Don't run another who cycle if away-notify is enabled
+ _autoWhoCycleTimer.stop();
+ }
+}
+
+
+#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::requestConnect() const {
- if(connectionState() != Disconnected) {
- qWarning() << "Requesting connect while already being connected!";
- return;
- }
- emit connectRequested(networkId());
+
+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;
+ }
+ }
}
-void CoreNetwork::requestDisconnect() const {
- if(connectionState() == Disconnected) {
- qWarning() << "Requesting disconnect while not being connected!";
- return;
- }
- emit disconnectRequested(networkId());
+
+QList<QList<QByteArray>> CoreNetwork::splitMessage(const QString &cmd, const QString &message, std::function<QList<QByteArray>(QString &)> cmdGenerator)
+{
+ QString wrkMsg(message);
+ QList<QList<QByteArray>> msgsToSend;
+
+ // do while (wrkMsg.size() > 0)
+ do {
+ // First, check to see if the whole message can be sent at once. The
+ // cmdGenerator function is passed in by the caller and is used to encode
+ // and encrypt (if applicable) the message, since different callers might
+ // want to use different encoding or encode different values.
+ int splitPos = wrkMsg.size();
+ QList<QByteArray> initialSplitMsgEnc = cmdGenerator(wrkMsg);
+ int initialOverrun = userInputHandler()->lastParamOverrun(cmd, initialSplitMsgEnc);
+
+ if (initialOverrun) {
+ // If the message was too long to be sent, first try splitting it along
+ // word boundaries with QTextBoundaryFinder.
+ QString splitMsg(wrkMsg);
+ QTextBoundaryFinder qtbf(QTextBoundaryFinder::Word, splitMsg);
+ qtbf.setPosition(initialSplitMsgEnc[1].size() - initialOverrun);
+ QList<QByteArray> splitMsgEnc;
+ int overrun = initialOverrun;
+
+ while (overrun) {
+ splitPos = qtbf.toPreviousBoundary();
+
+ // splitPos==-1 means the QTBF couldn't find a split point at all and
+ // splitPos==0 means the QTBF could only find a boundary at the beginning of
+ // the string. Neither one of these works for us.
+ if (splitPos > 0) {
+ // If a split point could be found, split the message there, calculate the
+ // overrun, and continue with the loop.
+ splitMsg = splitMsg.left(splitPos);
+ splitMsgEnc = cmdGenerator(splitMsg);
+ overrun = userInputHandler()->lastParamOverrun(cmd, splitMsgEnc);
+ }
+ else {
+ // If a split point could not be found (the beginning of the message
+ // is reached without finding a split point short enough to send) and we
+ // are still in Word mode, switch to Grapheme mode. We also need to restore
+ // the full wrkMsg to splitMsg, since splitMsg may have been cut down during
+ // the previous attempt to find a split point.
+ if (qtbf.type() == QTextBoundaryFinder::Word) {
+ splitMsg = wrkMsg;
+ splitPos = splitMsg.size();
+ QTextBoundaryFinder graphemeQtbf(QTextBoundaryFinder::Grapheme, splitMsg);
+ graphemeQtbf.setPosition(initialSplitMsgEnc[1].size() - initialOverrun);
+ qtbf = graphemeQtbf;
+ }
+ else {
+ // If the QTBF fails to find a split point in Grapheme mode, we give up.
+ // This should never happen, but it should be handled anyway.
+ qWarning() << "Unexpected failure to split message!";
+ return msgsToSend;
+ }
+ }
+ }
+
+ // Once a message of sendable length has been found, remove it from the wrkMsg and
+ // add it to the list of messages to be sent.
+ wrkMsg.remove(0, splitPos);
+ msgsToSend.append(splitMsgEnc);
+ }
+ else{
+ // If the entire remaining message is short enough to be sent all at once, remove
+ // it from the wrkMsg and add it to the list of messages to be sent.
+ wrkMsg.remove(0, splitPos);
+ msgsToSend.append(initialSplitMsgEnc);
+ }
+ } while (wrkMsg.size() > 0);
+
+ return msgsToSend;
}