/***************************************************************************
- * Copyright (C) 2005-2013 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 *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
+#include <QHostInfo>
+
#include "corenetwork.h"
#include "core.h"
_requestedUserModes('-')
{
_autoReconnectTimer.setSingleShot(true);
- _socketCloseTimer.setSingleShot(true);
connect(&_socketCloseTimer, SIGNAL(timeout()), this, SLOT(socketCloseTimeout()));
setPingInterval(networkConfig()->pingInterval());
connect(&_tokenBucketTimer, SIGNAL(timeout()), this, SLOT(fillBucketAndProcessQueue()));
connect(&socket, SIGNAL(connected()), this, SLOT(socketInitialized()));
- connect(&socket, SIGNAL(disconnected()), this, SLOT(socketDisconnected()));
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()));
// 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();
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
- socket.setProtocol((QSsl::SslProtocol)server.sslVersion);
if (server.useSsl) {
CoreIdentity *identity = identityPtr();
if (identity) {
_quitReason = reason;
displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Disconnecting. (%1)").arg((!requested && !withReconnect) ? tr("Core Shutdown") : _quitReason));
- switch (socket.state()) {
- case QAbstractSocket::ConnectedState:
- userInputHandler()->issueQuit(_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);
- break;
}
- default:
- socket.close();
- socketDisconnected();
}
}
if (!prefix.isEmpty())
msg += ":" + prefix + " ";
- msg += cmd.toUpper().toAscii();
+ 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 += ":";
- for (int i = 0; i < params.size() - 1; i++) {
- msg += " " + params[i];
+ msg += params[i];
}
- if (!params.isEmpty())
- msg += " :" + params.last();
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)
{
- _autoWhoQueue.prepend(channel.toLower()); // prepend so this new chan is the first to be checked
+ queueAutoWhoOneshot(channel); // check this new channel first
Core::setChannelPersistent(userId(), networkId(), channel, true);
Core::setPersistentChannelKey(userId(), networkId(), channel, _channelKeys[channel.toLower()]);
{
while (socket.canReadLine()) {
QByteArray s = socket.readLine();
- s.chop(2);
+ if (s.endsWith("\r\n"))
+ s.chop(2);
+ else if (s.endsWith("\n"))
+ s.chop(1);
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::socketInitialized()
{
- Server server = usedServer();
-#ifdef HAVE_SSL
- if (server.useSsl && !socket.isEncrypted())
- return;
-#endif
-
CoreIdentity *identity = identityPtr();
if (!identity) {
qCritical() << "Identity invalid!";
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
- enablePingTimeout();
+ 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)
_tokenBucket = _burstSize; // init with a full bucket
_tokenBucketTimer.start(_messageDelay);
- if (networkInfo().useSasl) {
- putRawLine(serverEncode(QString("CAP REQ :sasl")));
- }
+ // 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)));
}
else {
nick = identity->nicks()[0];
}
- putRawLine(serverEncode(QString("NICK :%1").arg(nick)));
+ putRawLine(serverEncode(QString("NICK %1").arg(nick)));
putRawLine(serverEncode(QString("USER %1 8 * :%2").arg(identity->ident(), identity->realName())));
}
switch (socketState) {
case QAbstractSocket::UnconnectedState:
state = Network::Disconnected;
+ socketDisconnected();
break;
case QAbstractSocket::HostLookupState:
case QAbstractSocket::ConnectingState:
_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 ********/
_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)
{
return;
while (!_autoWhoQueue.isEmpty()) {
- QString chan = _autoWhoQueue.takeFirst();
- IrcChannel *ircchan = ircChannel(chan);
- if (!ircchan) continue;
- if (networkConfig()->autoWhoNickLimit() > 0 && ircchan->ircUsers().count() >= networkConfig()->autoWhoNickLimit())
+ 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;
- _autoWhoPending[chan]++;
- putRawLine("WHO " + serverEncode(chan));
+ }
+ // 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()) {
+
+ 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();
}
}
}
}
}
+
+
+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;
+}
projects / quassel.git / blobdiff