+++ /dev/null
-/***************************************************************************
- * Copyright (C) 2005-10 by the Quassel Project *
- * devel@quassel-irc.org *
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) version 3. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * 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. *
- ***************************************************************************/
-#include "ircserverhandler.h"
-
-#include "util.h"
-
-#include "coresession.h"
-#include "coreirclisthelper.h"
-#include "coreidentity.h"
-#include "ctcphandler.h"
-
-#include "ircuser.h"
-#include "coreircchannel.h"
-#include "logger.h"
-
-#include <QDebug>
-
-#ifdef HAVE_QCA2
-# include "cipher.h"
-#endif
-
-IrcServerHandler::IrcServerHandler(CoreNetwork *parent)
- : CoreBasicHandler(parent),
- _whois(false)
-{
-
-}
-
-IrcServerHandler::~IrcServerHandler() {
-
-}
-
-/*! Handle a raw message string sent by the server. We try to find a suitable handler, otherwise we call a default handler. */
-void IrcServerHandler::handleServerMsg(QByteArray msg) {
- if(msg.isEmpty()) {
- qWarning() << "Received empty string from server!";
- return;
- }
-
- // Now we split the raw message into its various parts...
- QString prefix = "";
- QByteArray trailing;
- QString cmd;
-
- // First, check for a trailing parameter introduced by " :", since this might screw up splitting the msg
- // NOTE: This assumes that this is true in raw encoding, but well, hopefully there are no servers running in japanese on protocol level...
- int idx = msg.indexOf(" :");
- if(idx >= 0) {
- if(msg.length() > idx + 2)
- trailing = msg.mid(idx + 2);
- msg = msg.left(idx);
- }
- // OK, now it is safe to split...
- QList<QByteArray> params = msg.split(' ');
-
- // This could still contain empty elements due to (faulty?) ircds sending multiple spaces in a row
- // Also, QByteArray is not nearly as convenient to work with as QString for such things :)
- QList<QByteArray>::iterator iter = params.begin();
- while(iter != params.end()) {
- if(iter->isEmpty())
- iter = params.erase(iter);
- else
- ++iter;
- }
-
- if(!trailing.isEmpty()) params << trailing;
- if(params.count() < 1) {
- qWarning() << "Received invalid string from server!";
- return;
- }
-
- QString foo = serverDecode(params.takeFirst());
-
- // with SASL, the command is 'AUTHENTICATE +' and we should check for this here.
- /* obsolete because of events
- if(foo == QString("AUTHENTICATE +")) {
- handleAuthenticate();
- return;
- }
- */
- // a colon as the first chars indicates the existence of a prefix
- if(foo[0] == ':') {
- foo.remove(0, 1);
- prefix = foo;
- if(params.count() < 1) {
- qWarning() << "Received invalid string from server!";
- return;
- }
- foo = serverDecode(params.takeFirst());
- }
-
- // next string without a whitespace is the command
- cmd = foo.trimmed().toUpper();
-
- // numeric replies have the target as first param (RFC 2812 - 2.4). this is usually our own nick. Remove this!
- uint num = cmd.toUInt();
- if(num > 0) {
- if(params.count() == 0) {
- qWarning() << "Message received from server violates RFC and is ignored!" << msg;
- return;
- }
- _target = serverDecode(params.takeFirst());
- } else {
- _target = QString();
- }
-
- // note that the IRC server is still alive
- network()->resetPingTimeout();
-
- // Now we try to find a handler for this message. BTW, I do love the Trolltech guys ;-)
- handle(cmd, Q_ARG(QString, prefix), Q_ARG(QList<QByteArray>, params));
-}
-
-
-void IrcServerHandler::defaultHandler(QString cmd, const QString &prefix, const QList<QByteArray> &rawparams) {
- // many commands are handled by the event system now
- Q_UNUSED(cmd)
- Q_UNUSED(prefix)
- Q_UNUSED(rawparams)
-}
-
-//******************************/
-// IRC SERVER HANDLER
-//******************************/
-
-void IrcServerHandler::handleNotice(const QString &prefix, const QList<QByteArray> ¶ms) {
- if(!checkParamCount("IrcServerHandler::handleNotice()", params, 2))
- return;
-
-
- QStringList targets = serverDecode(params[0]).split(',', QString::SkipEmptyParts);
- QStringList::const_iterator targetIter;
- for(targetIter = targets.constBegin(); targetIter != targets.constEnd(); targetIter++) {
- QString target = *targetIter;
-
- // special treatment for welcome messages like:
- // :ChanServ!ChanServ@services. NOTICE egst :[#apache] Welcome, this is #apache. Please read the in-channel topic message. This channel is being logged by IRSeekBot. If you have any question please see http://blog.freenode.net/?p=68
- if(!network()->isChannelName(target)) {
- QString msg = serverDecode(params[1]);
- QRegExp welcomeRegExp("^\\[([^\\]]+)\\] ");
- if(welcomeRegExp.indexIn(msg) != -1) {
- QString channelname = welcomeRegExp.cap(1);
- msg = msg.mid(welcomeRegExp.matchedLength());
- CoreIrcChannel *chan = static_cast<CoreIrcChannel *>(network()->ircChannel(channelname)); // we only have CoreIrcChannels in the core, so this cast is safe
- if(chan && !chan->receivedWelcomeMsg()) {
- chan->setReceivedWelcomeMsg();
- emit displayMsg(Message::Notice, BufferInfo::ChannelBuffer, channelname, msg, prefix);
- continue;
- }
- }
- }
-
- if(prefix.isEmpty() || target == "AUTH") {
- target = "";
- } else {
- if(!target.isEmpty() && network()->prefixes().contains(target[0]))
- target = target.mid(1);
- if(!network()->isChannelName(target))
- target = nickFromMask(prefix);
- }
-
- network()->ctcpHandler()->parse(Message::Notice, prefix, target, params[1]);
- }
-
-}
-
-void IrcServerHandler::handlePrivmsg(const QString &prefix, const QList<QByteArray> ¶ms) {
- if(!checkParamCount("IrcServerHandler::handlePrivmsg()", params, 1))
- return;
-
- IrcUser *ircuser = network()->updateNickFromMask(prefix);
- if(!ircuser) {
- qWarning() << "IrcServerHandler::handlePrivmsg(): Unknown IrcUser!";
- return;
- }
-
- if(params.isEmpty()) {
- qWarning() << "IrcServerHandler::handlePrivmsg(): received PRIVMSG without target or message from:" << prefix;
- return;
- }
-
- QString senderNick = nickFromMask(prefix);
-
- QByteArray msg = params.count() < 2
- ? QByteArray("")
- : params[1];
-
- QStringList targets = serverDecode(params[0]).split(',', QString::SkipEmptyParts);
- QStringList::const_iterator targetIter;
- for(targetIter = targets.constBegin(); targetIter != targets.constEnd(); targetIter++) {
- const QString &target = network()->isChannelName(*targetIter)
- ? *targetIter
- : senderNick;
-
-#ifdef HAVE_QCA2
- msg = decrypt(target, msg);
-#endif
- // it's possible to pack multiple privmsgs into one param using ctcp
- // - > we let the ctcpHandler do the work
- network()->ctcpHandler()->parse(Message::Plain, prefix, target, msg);
- }
-}
-
-// FIXME networkConnection()->setChannelKey("") for all ERR replies indicating that a JOIN went wrong
-// mostly, these are codes in the 47x range
-
-/* */
-
-void IrcServerHandler::tryNextNick(const QString &errnick, bool erroneus) {
- QStringList desiredNicks = coreSession()->identity(network()->identity())->nicks();
- int nextNickIdx = desiredNicks.indexOf(errnick) + 1;
- QString nextNick;
- if(nextNickIdx > 0 && desiredNicks.size() > nextNickIdx) {
- nextNick = desiredNicks[nextNickIdx];
- } else {
- if(erroneus) {
- emit displayMsg(Message::Error, BufferInfo::StatusBuffer, "", tr("No free and valid nicks in nicklist found. use: /nick <othernick> to continue"));
- return;
- } else {
- nextNick = errnick + "_";
- }
- }
- putCmd("NICK", serverEncode(nextNick));
-}
-
-bool IrcServerHandler::checkParamCount(const QString &methodName, const QList<QByteArray> ¶ms, int minParams) {
- if(params.count() < minParams) {
- qWarning() << qPrintable(methodName) << "requires" << minParams << "parameters but received only" << params.count() << serverDecode(params);
- return false;
- } else {
- return true;
- }
-}
-
-#ifdef HAVE_QCA2
-QByteArray IrcServerHandler::decrypt(const QString &bufferName, const QByteArray &message_, bool isTopic) {
- if(message_.isEmpty())
- return message_;
-
- Cipher *cipher = network()->cipher(bufferName);
- if(!cipher)
- return message_;
-
- QByteArray message = message_;
- message = isTopic? cipher->decryptTopic(message) : cipher->decrypt(message);
- return message;
-}
-#endif
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