/***************************************************************************
- * Copyright (C) 2005-2010 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 "coresessioneventprocessor.h"
+#include "coreirclisthelper.h"
+#include "corenetwork.h"
#include "coresession.h"
+#include "coretransfer.h"
+#include "coretransfermanager.h"
+#include "ctcpevent.h"
+#include "ircevent.h"
+#include "ircuser.h"
+#include "logger.h"
+#include "messageevent.h"
+#include "netsplit.h"
+#include "quassel.h"
+
+#ifdef HAVE_QCA2
+# include "keyevent.h"
+#endif
CoreSessionEventProcessor::CoreSessionEventProcessor(CoreSession *session)
- : QObject(session),
- _coreSession(session)
+ : BasicHandler("handleCtcp", session),
+ _coreSession(session)
+{
+ connect(coreSession(), SIGNAL(networkDisconnected(NetworkId)), this, SLOT(destroyNetsplits(NetworkId)));
+ connect(this, SIGNAL(newEvent(Event *)), coreSession()->eventManager(), SLOT(postEvent(Event *)));
+}
+
+
+bool CoreSessionEventProcessor::checkParamCount(IrcEvent *e, int minParams)
+{
+ if (e->params().count() < minParams) {
+ if (e->type() == EventManager::IrcEventNumeric) {
+ qWarning() << "Command " << static_cast<IrcEventNumeric *>(e)->number() << " requires " << minParams << "params, got: " << e->params();
+ }
+ else {
+ QString name = coreSession()->eventManager()->enumName(e->type());
+ qWarning() << qPrintable(name) << "requires" << minParams << "params, got:" << e->params();
+ }
+ e->stop();
+ return false;
+ }
+ return true;
+}
+
+
+void CoreSessionEventProcessor::tryNextNick(NetworkEvent *e, const QString &errnick, bool erroneus)
+{
+ QStringList desiredNicks = coreSession()->identity(e->network()->identity())->nicks();
+ int nextNickIdx = desiredNicks.indexOf(errnick) + 1;
+ QString nextNick;
+ if (nextNickIdx > 0 && desiredNicks.size() > nextNickIdx) {
+ nextNick = desiredNicks[nextNickIdx];
+ }
+ else {
+ if (erroneus) {
+ // FIXME Make this an ErrorEvent or something like that, so it's translated in the client
+ MessageEvent *msgEvent = new MessageEvent(Message::Error, e->network(),
+ tr("No free and valid nicks in nicklist found. use: /nick <othernick> to continue"),
+ QString(), QString(), Message::None, e->timestamp());
+ emit newEvent(msgEvent);
+ return;
+ }
+ else {
+ nextNick = errnick + "_";
+ }
+ }
+ // FIXME Use a proper output event for this
+ coreNetwork(e)->putRawLine("NICK " + coreNetwork(e)->encodeServerString(nextNick));
+}
+
+
+void CoreSessionEventProcessor::processIrcEventNumeric(IrcEventNumeric *e)
+{
+ switch (e->number()) {
+ // CAP stuff
+ case 903:
+ case 904:
+ case 905:
+ case 906:
+ case 907:
+ qobject_cast<CoreNetwork *>(e->network())->putRawLine("CAP END");
+ break;
+
+ default:
+ break;
+ }
+}
+
+
+void CoreSessionEventProcessor::processIrcEventAuthenticate(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ if (e->params().at(0) != "+") {
+ qWarning() << "Invalid AUTHENTICATE" << e;
+ return;
+ }
+
+ CoreNetwork *net = coreNetwork(e);
+
+#ifdef HAVE_SSL
+ if (net->identityPtr()->sslCert().isNull()) {
+#endif
+ QString construct = net->saslAccount();
+ construct.append(QChar(QChar::Null));
+ construct.append(net->saslAccount());
+ construct.append(QChar(QChar::Null));
+ construct.append(net->saslPassword());
+ QByteArray saslData = QByteArray(construct.toLatin1().toBase64());
+ saslData.prepend("AUTHENTICATE ");
+ net->putRawLine(saslData);
+#ifdef HAVE_SSL
+ } else {
+ net->putRawLine("AUTHENTICATE +");
+ }
+#endif
+}
+
+
+void CoreSessionEventProcessor::processIrcEventCap(IrcEvent *e)
+{
+ // for SASL, there will only be a single param of 'sasl', however you can check here for
+ // additional CAP messages (ls, multi-prefix, et cetera).
+
+ if (e->params().count() == 3) {
+ if (e->params().at(2).startsWith("sasl")) { // Freenode (at least) sends "sasl " with a trailing space for some reason!
+ // FIXME use event
+ // if the current identity has a cert set, use SASL EXTERNAL
+#ifdef HAVE_SSL
+ if (!coreNetwork(e)->identityPtr()->sslCert().isNull()) {
+ coreNetwork(e)->putRawLine(coreNetwork(e)->serverEncode("AUTHENTICATE EXTERNAL"));
+ } else {
+#endif
+ // Only working with PLAIN atm, blowfish later
+ coreNetwork(e)->putRawLine(coreNetwork(e)->serverEncode("AUTHENTICATE PLAIN"));
+#ifdef HAVE_SSL
+ }
+#endif
+ }
+ }
+}
+
+
+void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e)
+{
+ if (checkParamCount(e, 2)) {
+ e->network()->updateNickFromMask(e->prefix());
+ }
+}
+
+
+void CoreSessionEventProcessor::processIrcEventJoin(IrcEvent *e)
+{
+ if (e->testFlag(EventManager::Fake)) // generated by handleEarlyNetsplitJoin
+ return;
+
+ if (!checkParamCount(e, 1))
+ return;
+
+ CoreNetwork *net = coreNetwork(e);
+ QString channel = e->params()[0];
+ IrcUser *ircuser = net->updateNickFromMask(e->prefix());
+
+ bool handledByNetsplit = false;
+ foreach(Netsplit* n, _netsplits.value(e->network())) {
+ handledByNetsplit = n->userJoined(e->prefix(), channel);
+ if (handledByNetsplit)
+ break;
+ }
+
+ if (!handledByNetsplit)
+ ircuser->joinChannel(channel);
+ else
+ e->setFlag(EventManager::Netsplit);
+
+ if (net->isMe(ircuser)) {
+ net->setChannelJoined(channel);
+ // FIXME use event
+ net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely
+ }
+}
+
+
+void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e)
+{
+ if (checkParamCount(e, 2)) {
+ e->network()->updateNickFromMask(e->prefix());
+ IrcUser *victim = e->network()->ircUser(e->params().at(1));
+ if (victim) {
+ victim->partChannel(e->params().at(0));
+ //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel);
+ }
+ }
+}
+
+
+void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e)
+{
+ if (!checkParamCount(e, 2))
+ return;
+
+ if (e->network()->isChannelName(e->params().first())) {
+ // Channel Modes
+
+ IrcChannel *channel = e->network()->ircChannel(e->params()[0]);
+ if (!channel) {
+ // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that
+ // anyways: we don't have a place to store the data --> discard the info.
+ return;
+ }
+
+ QString modes = e->params()[1];
+ bool add = true;
+ int paramOffset = 2;
+ for (int c = 0; c < modes.length(); c++) {
+ if (modes[c] == '+') {
+ add = true;
+ continue;
+ }
+ if (modes[c] == '-') {
+ add = false;
+ continue;
+ }
+
+ if (e->network()->prefixModes().contains(modes[c])) {
+ // user channel modes (op, voice, etc...)
+ if (paramOffset < e->params().count()) {
+ IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]);
+ if (!ircUser) {
+ qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset];
+ }
+ else {
+ if (add) {
+ bool handledByNetsplit = false;
+ QHash<QString, Netsplit *> splits = _netsplits.value(e->network());
+ foreach(Netsplit* n, _netsplits.value(e->network())) {
+ handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name());
+ if (handledByNetsplit) {
+ n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c]));
+ break;
+ }
+ }
+ if (!handledByNetsplit)
+ channel->addUserMode(ircUser, QString(modes[c]));
+ }
+ else
+ channel->removeUserMode(ircUser, QString(modes[c]));
+ }
+ }
+ else {
+ qWarning() << "Received MODE with too few parameters:" << e->params();
+ }
+ ++paramOffset;
+ }
+ else {
+ // regular channel modes
+ QString value;
+ Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]);
+ if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) {
+ if (paramOffset < e->params().count()) {
+ value = e->params()[paramOffset];
+ }
+ else {
+ qWarning() << "Received MODE with too few parameters:" << e->params();
+ }
+ ++paramOffset;
+ }
+
+ if (add)
+ channel->addChannelMode(modes[c], value);
+ else
+ channel->removeChannelMode(modes[c], value);
+ }
+ }
+ }
+ else {
+ // pure User Modes
+ IrcUser *ircUser = e->network()->newIrcUser(e->params().first());
+ QString modeString(e->params()[1]);
+ QString addModes;
+ QString removeModes;
+ bool add = false;
+ for (int c = 0; c < modeString.count(); c++) {
+ if (modeString[c] == '+') {
+ add = true;
+ continue;
+ }
+ if (modeString[c] == '-') {
+ add = false;
+ continue;
+ }
+ if (add)
+ addModes += modeString[c];
+ else
+ removeModes += modeString[c];
+ }
+ if (!addModes.isEmpty())
+ ircUser->addUserModes(addModes);
+ if (!removeModes.isEmpty())
+ ircUser->removeUserModes(removeModes);
+
+ if (e->network()->isMe(ircUser)) {
+ coreNetwork(e)->updatePersistentModes(addModes, removeModes);
+ }
+ }
+}
+
+
+void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e)
{
+ if (checkParamCount(e, 1)) {
+ IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
+ if (!ircuser) {
+ qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
+ return;
+ }
+ QString newnick = e->params().at(0);
+ QString oldnick = ircuser->nick();
+
+ // the order is cruicial
+ // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore
+ // and remove the ircuser from the querybuffer leading to a wrong on/offline state
+ ircuser->setNick(newnick);
+ coreSession()->renameBuffer(e->networkId(), newnick, oldnick);
+ }
+}
+
+
+void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e)
+{
+ if (checkParamCount(e, 1)) {
+ IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
+ if (!ircuser) {
+ qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
+ return;
+ }
+ QString channel = e->params().at(0);
+ ircuser->partChannel(channel);
+ if (e->network()->isMe(ircuser))
+ qobject_cast<CoreNetwork *>(e->network())->setChannelParted(channel);
+ }
+}
+
+
+void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e)
+{
+ QString param = e->params().count() ? e->params().first() : QString();
+ // FIXME use events
+ coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param));
+}
+
+
+void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e)
+{
+ // the server is supposed to send back what we passed as param. and we send a timestamp
+ // but using quote and whatnought one can send arbitrary pings, so we have to do some sanity checks
+ if (checkParamCount(e, 2)) {
+ QString timestamp = e->params().at(1);
+ QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz");
+ if (sendTime.isValid())
+ e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2);
+ }
+}
+
+
+void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e)
+{
+ IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
+ if (!ircuser)
+ return;
+
+ QString msg;
+ if (e->params().count() > 0)
+ msg = e->params()[0];
+
+ // check if netsplit
+ if (Netsplit::isNetsplit(msg)) {
+ Netsplit *n;
+ if (!_netsplits[e->network()].contains(msg)) {
+ n = new Netsplit(e->network(), this);
+ connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished()));
+ connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)),
+ this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString)));
+ connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)),
+ this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString)));
+ connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)),
+ this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList)));
+ _netsplits[e->network()].insert(msg, n);
+ }
+ else {
+ n = _netsplits[e->network()][msg];
+ }
+ // add this user to the netsplit
+ n->userQuit(e->prefix(), ircuser->channels(), msg);
+ e->setFlag(EventManager::Netsplit);
+ }
+ // normal quit is handled in lateProcessIrcEventQuit()
+}
+
+
+void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e)
+{
+ if (e->testFlag(EventManager::Netsplit))
+ return;
+
+ IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
+ if (!ircuser)
+ return;
+
+ ircuser->quit();
+}
+
+
+void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e)
+{
+ if (checkParamCount(e, 2)) {
+ e->network()->updateNickFromMask(e->prefix());
+ IrcChannel *channel = e->network()->ircChannel(e->params().at(0));
+ if (channel)
+ channel->setTopic(e->params().at(1));
+ }
+}
+
+
+#ifdef HAVE_QCA2
+void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e)
+{
+ if (!Cipher::neededFeaturesAvailable()) {
+ emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Unable to perform key exchange, missing qca-ossl plugin."), e->prefix(), e->target(), Message::None, e->timestamp()));
+ return;
+ }
+ CoreNetwork *net = qobject_cast<CoreNetwork*>(e->network());
+ Cipher *c = net->cipher(e->target());
+ if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?)
+ return;
+
+ if (e->exchangeType() == KeyEvent::Init) {
+ QByteArray pubKey = c->parseInitKeyX(e->key());
+ if (pubKey.isEmpty()) {
+ emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Unable to parse the DH1080_INIT. Key exchange failed."), e->prefix(), e->target(), Message::None, e->timestamp()));
+ return;
+ } else {
+ net->setCipherKey(e->target(), c->key());
+ emit newEvent(new MessageEvent(Message::Info, e->network(), tr("Your key is set and messages will be encrypted."), e->prefix(), e->target(), Message::None, e->timestamp()));
+ QList<QByteArray> p;
+ p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey;
+ net->putCmd("NOTICE", p);
+ }
+ } else {
+ if (c->parseFinishKeyX(e->key())) {
+ net->setCipherKey(e->target(), c->key());
+ emit newEvent(new MessageEvent(Message::Info, e->network(), tr("Your key is set and messages will be encrypted."), e->prefix(), e->target(), Message::None, e->timestamp()));
+ } else {
+ emit newEvent(new MessageEvent(Message::Info, e->network(), tr("Failed to parse DH1080_FINISH. Key exchange failed."), e->prefix(), e->target(), Message::None, e->timestamp()));
+ }
+ }
+}
+#endif
+
+
+/* RPL_WELCOME */
+void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e)
+{
+ e->network()->setCurrentServer(e->prefix());
+ e->network()->setMyNick(e->target());
+}
+
+
+/* RPL_ISUPPORT */
+// TODO Complete 005 handling, also use sensible defaults for non-sent stuff
+void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ QString key, value;
+ for (int i = 0; i < e->params().count() - 1; i++) {
+ QString key = e->params()[i].section("=", 0, 0);
+ QString value = e->params()[i].section("=", 1);
+ e->network()->addSupport(key, value);
+ }
+
+ /* determine our prefixes here to get an accurate result */
+ e->network()->determinePrefixes();
+}
+
+
+/* RPL_UMODEIS - "<user_modes> [<user_mode_params>]" */
+void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *)
+{
+ // TODO: save information in network object
+}
+
+
+/* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */
+void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *)
+{
+ // TODO: save information in network object
+}
+
+
+/* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */
+void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *)
+{
+ // TODO: save information in network object
+}
+
+
+/* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */
+void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *)
+{
+ // TODO: save information in network object
+}
+
+
+/*
+WHOIS-Message:
+ Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message.
+ and 301 (RPL_AWAY)
+ "<nick> :<away message>"
+WHO-Message:
+ Replies 352 and 315 paired are used to answer a WHO message.
+
+WHOWAS-Message:
+ Replies 314 and 369 are responses to a WHOWAS message.
+
+*/
+
+/* RPL_AWAY - "<nick> :<away message>" */
+void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e)
+{
+ if (!checkParamCount(e, 2))
+ return;
+
+ IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
+ if (ircuser) {
+ ircuser->setAway(true);
+ ircuser->setAwayMessage(e->params().at(1));
+ //ircuser->setLastAwayMessage(now);
+ }
+}
+
+
+/* RPL_UNAWAY - ":You are no longer marked as being away" */
+void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e)
+{
+ IrcUser *me = e->network()->me();
+ if (me)
+ me->setAway(false);
+
+ if (e->network()->autoAwayActive()) {
+ e->network()->setAutoAwayActive(false);
+ e->setFlag(EventManager::Silent);
+ }
+}
+
+
+/* RPL_NOWAWAY - ":You have been marked as being away" */
+void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e)
+{
+ IrcUser *me = e->network()->me();
+ if (me)
+ me->setAway(true);
+}
+
+
+/* RPL_WHOISSERVICE - "<user> is registered nick" */
+void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
+ if (ircuser)
+ ircuser->setWhoisServiceReply(e->params().join(" "));
+}
+
+
+/* RPL_SUSERHOST - "<user> is available for help." */
+void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
+ if (ircuser)
+ ircuser->setSuserHost(e->params().join(" "));
+}
+
+
+/* RPL_WHOISUSER - "<nick> <user> <host> * :<real name>" */
+void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e)
+{
+ if (!checkParamCount(e, 3))
+ return;
+
+ IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
+ if (ircuser) {
+ ircuser->setUser(e->params().at(1));
+ ircuser->setHost(e->params().at(2));
+ ircuser->setRealName(e->params().last());
+ }
+}
+
+/* RPL_WHOISSERVER - "<nick> <server> :<server info>" */
+void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e)
+{
+ if (!checkParamCount(e, 2))
+ return;
+
+ IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
+ if (ircuser)
+ ircuser->setServer(e->params().at(1));
+}
+
+
+/* RPL_WHOISOPERATOR - "<nick> :is an IRC operator" */
+void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
+ if (ircuser)
+ ircuser->setIrcOperator(e->params().last());
+}
+
+
+/* RPL_ENDOFWHO: "<name> :End of WHO list" */
+void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ if (coreNetwork(e)->setAutoWhoDone(e->params()[0]))
+ e->setFlag(EventManager::Silent);
+}
+
+
+/* RPL_WHOISIDLE - "<nick> <integer> :seconds idle"
+ (real life: "<nick> <integer> <integer> :seconds idle, signon time) */
+void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e)
+{
+ if (!checkParamCount(e, 2))
+ return;
+
+ QDateTime loginTime;
+
+ int idleSecs = e->params()[1].toInt();
+ if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation
+ int logintime = e->params()[2].toInt();
+ loginTime = QDateTime::fromTime_t(logintime);
+ }
+
+ IrcUser *ircuser = e->network()->ircUser(e->params()[0]);
+ if (ircuser) {
+ ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs));
+ if (loginTime.isValid())
+ ircuser->setLoginTime(loginTime);
+ }
+}
+
+
+/* RPL_LIST - "<channel> <# visible> :<topic>" */
+void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ QString channelName;
+ quint32 userCount = 0;
+ QString topic;
+
+ switch (e->params().count()) {
+ case 3:
+ topic = e->params()[2];
+ case 2:
+ userCount = e->params()[1].toUInt();
+ case 1:
+ channelName = e->params()[0];
+ default:
+ break;
+ }
+ if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic))
+ e->stop(); // consumed by IrcListHelper, so don't further process/show this event
+}
+
+
+/* RPL_LISTEND ":End of LIST" */
+void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ if (coreSession()->ircListHelper()->endOfChannelList(e->networkId()))
+ e->stop(); // consumed by IrcListHelper, so don't further process/show this event
+}
+
+
+/* RPL_CHANNELMODEIS - "<channel> <mode> <mode params>" */
+void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e)
+{
+ processIrcEventMode(e);
+}
+
+
+/* RPL_NOTOPIC */
+void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
+ if (chan)
+ chan->setTopic(QString());
+}
+
+
+/* RPL_TOPIC */
+void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e)
+{
+ if (!checkParamCount(e, 2))
+ return;
+
+ IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
+ if (chan)
+ chan->setTopic(e->params()[1]);
+}
+
+
+/* RPL_WHOREPLY: "<channel> <user> <host> <server> <nick>
+ ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] :<hopcount> <real name>" */
+void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e)
+{
+ if (!checkParamCount(e, 6))
+ return;
+
+ QString channel = e->params()[0];
+ IrcUser *ircuser = e->network()->ircUser(e->params()[4]);
+ if (ircuser) {
+ ircuser->setUser(e->params()[1]);
+ ircuser->setHost(e->params()[2]);
+
+ bool away = e->params()[5].startsWith("G");
+ ircuser->setAway(away);
+ ircuser->setServer(e->params()[3]);
+ ircuser->setRealName(e->params().last().section(" ", 1));
+ }
+
+ if (coreNetwork(e)->isAutoWhoInProgress(channel))
+ e->setFlag(EventManager::Silent);
+}
+
+
+/* RPL_NAMREPLY */
+void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e)
+{
+ if (!checkParamCount(e, 3))
+ return;
+
+ // param[0] is either "=", "*" or "@" indicating a public, private or secret channel
+ // we don't use this information at the time beeing
+ QString channelname = e->params()[1];
+
+ IrcChannel *channel = e->network()->ircChannel(channelname);
+ if (!channel) {
+ qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname;
+ return;
+ }
+
+ QStringList nicks;
+ QStringList modes;
+
+ foreach(QString nick, e->params()[2].split(' ', QString::SkipEmptyParts)) {
+ QString mode;
+
+ if (e->network()->prefixes().contains(nick[0])) {
+ mode = e->network()->prefixToMode(nick[0]);
+ nick = nick.mid(1);
+ }
+
+ nicks << nick;
+ modes << mode;
+ }
+
+ channel->joinIrcUsers(nicks, modes);
+}
+
+
+/* ERR_ERRONEUSNICKNAME */
+void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ QString errnick;
+ if (e->params().count() < 2) {
+ // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase:
+ // nick @@@
+ // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters
+ // correct server reply:
+ // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters
+ e->params().prepend(e->target());
+ e->setTarget("*");
+ }
+ errnick = e->params()[0];
+
+ tryNextNick(e, errnick, true /* erroneus */);
+}
+
+
+/* ERR_NICKNAMEINUSE */
+void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ QString errnick = e->params().first();
+
+ // if there is a problem while connecting to the server -> we handle it
+ // but only if our connection has not been finished yet...
+ if (!e->network()->currentServer().isEmpty())
+ return;
+
+ tryNextNick(e, errnick);
+}
+
+
+/* ERR_UNAVAILRESOURCE */
+void CoreSessionEventProcessor::processIrcEvent437(IrcEventNumeric *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ QString errnick = e->params().first();
+
+ // if there is a problem while connecting to the server -> we handle it
+ // but only if our connection has not been finished yet...
+ if (!e->network()->currentServer().isEmpty())
+ return;
+
+ if (!e->network()->isChannelName(errnick))
+ tryNextNick(e, errnick);
+}
+
+
+/* template
+void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) {
+ if(!checkParamCount(e, 1))
+ return;
+
+}
+*/
+
+/* Handle signals from Netsplit objects */
+
+void CoreSessionEventProcessor::handleNetsplitJoin(Network *net,
+ const QString &channel,
+ const QStringList &users,
+ const QStringList &modes,
+ const QString &quitMessage)
+{
+ IrcChannel *ircChannel = net->ircChannel(channel);
+ if (!ircChannel) {
+ return;
+ }
+ QList<IrcUser *> ircUsers;
+ QStringList newModes = modes;
+ QStringList newUsers = users;
+
+ foreach(const QString &user, users) {
+ IrcUser *iu = net->ircUser(nickFromMask(user));
+ if (iu)
+ ircUsers.append(iu);
+ else { // the user already quit
+ int idx = users.indexOf(user);
+ newUsers.removeAt(idx);
+ newModes.removeAt(idx);
+ }
+ }
+
+ ircChannel->joinIrcUsers(ircUsers, newModes);
+ NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage);
+ emit newEvent(event);
+}
+
+
+void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage)
+{
+ NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage);
+ emit newEvent(event);
+ foreach(QString user, users) {
+ IrcUser *iu = net->ircUser(nickFromMask(user));
+ if (iu)
+ iu->quit();
+ }
+}
+
+
+void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes)
+{
+ IrcChannel *ircChannel = net->ircChannel(channel);
+ if (!ircChannel) {
+ qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid";
+ return;
+ }
+ QList<NetworkEvent *> events;
+ QList<IrcUser *> ircUsers;
+ QStringList newModes = modes;
+
+ foreach(QString user, users) {
+ IrcUser *iu = net->updateNickFromMask(user);
+ if (iu) {
+ ircUsers.append(iu);
+ // fake event for scripts that consume join events
+ events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel);
+ }
+ else {
+ newModes.removeAt(users.indexOf(user));
+ }
+ }
+ ircChannel->joinIrcUsers(ircUsers, newModes);
+ foreach(NetworkEvent *event, events) {
+ event->setFlag(EventManager::Fake); // ignore this in here!
+ emit newEvent(event);
+ }
+}
+
+
+void CoreSessionEventProcessor::handleNetsplitFinished()
+{
+ Netsplit *n = qobject_cast<Netsplit *>(sender());
+ Q_ASSERT(n);
+ QHash<QString, Netsplit *> splithash = _netsplits.take(n->network());
+ splithash.remove(splithash.key(n));
+ if (splithash.count())
+ _netsplits[n->network()] = splithash;
+ n->deleteLater();
+}
+
+
+void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId)
+{
+ Network *net = coreSession()->network(netId);
+ if (!net)
+ return;
+
+ QHash<QString, Netsplit *> splits = _netsplits.take(net);
+ qDeleteAll(splits);
+}
+
+
+/*******************************/
+/******** CTCP HANDLING ********/
+/*******************************/
+
+void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e)
+{
+ if (e->testFlag(EventManager::Self))
+ return; // ignore ctcp events generated by user input
+
+ if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query)
+ return;
+
+ handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e));
+}
+
+
+void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e)
+{
+ // This handler is only there to avoid warnings for unknown CTCPs
+ Q_UNUSED(e);
+ Q_UNUSED(ctcpCmd);
+}
+
+
+void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e)
+{
+ // This handler is only there to feed CLIENTINFO
+ Q_UNUSED(e);
+}
+
+
+void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e)
+{
+ QStringList supportedHandlers;
+ foreach(QString handler, providesHandlers())
+ supportedHandlers << handler.toUpper();
+ qSort(supportedHandlers);
+ e->setReply(supportedHandlers.join(" "));
+}
+
+
+// http://www.irchelp.org/irchelp/rfc/ctcpspec.html
+// http://en.wikipedia.org/wiki/Direct_Client-to-Client
+void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e)
+{
+ // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in
+ if (!Quassel::isOptionSet("enable-experimental-dcc")) {
+ quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
+ return;
+ }
+
+ // normal: SEND <filename> <ip> <port> [<filesize>]
+ // reverse: SEND <filename> <ip> 0 <filesize> <token>
+ QStringList params = e->param().split(' ');
+ if (params.count()) {
+ QString cmd = params[0].toUpper();
+ if (cmd == "SEND") {
+ if (params.count() < 4) {
+ qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client
+ return;
+ }
+ QString filename = params[1];
+ QHostAddress address;
+ quint16 port = params[3].toUShort();
+ quint64 size = 0;
+ QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon)
+ if (numIp.contains(':')) { // IPv6
+ if (!address.setAddress(numIp)) {
+ qWarning() << "Invalid IPv6:" << numIp;
+ return;
+ }
+ }
+ else {
+ address.setAddress(numIp.toUInt());
+ }
+
+ if (port == 0) { // Reverse DCC is indicated by a 0 port
+ emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp()));
+ return;
+ }
+ if (port < 1024) {
+ qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok
+ }
+
+
+ if (params.count() > 4) { // filesize is optional
+ size = params[4].toULong();
+ }
+
+ // TODO: check if target is the right thing to use for the partner
+ CoreTransfer *transfer = new CoreTransfer(Transfer::Receive, e->target(), filename, address, port, size, this);
+ coreSession()->signalProxy()->synchronize(transfer);
+ coreSession()->transferManager()->addTransfer(transfer);
+ }
+ else {
+ emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp()));
+ return;
+ }
+ }
+}
+
+
+void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e)
+{
+ e->setReply(e->param().isNull() ? "" : e->param());
+}
+
+
+void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e)
+{
+ e->setReply(QDateTime::currentDateTime().toString());
+}
+
+
+void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
+{
+ e->setReply(QString("Quassel IRC %1 (built on %2) -- http://www.quassel-irc.org")
+ .arg(Quassel::buildInfo().plainVersionString).arg(Quassel::buildInfo().buildDate));
}