1 /***************************************************************************
2 * Copyright (C) 2005-2015 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
21 #include "coresessioneventprocessor.h"
23 #include "coreirclisthelper.h"
24 #include "corenetwork.h"
25 #include "coresession.h"
26 #include "coretransfer.h"
27 #include "coretransfermanager.h"
28 #include "ctcpevent.h"
32 #include "messageevent.h"
37 # include "keyevent.h"
40 CoreSessionEventProcessor::CoreSessionEventProcessor(CoreSession *session)
41 : BasicHandler("handleCtcp", session),
44 connect(coreSession(), SIGNAL(networkDisconnected(NetworkId)), this, SLOT(destroyNetsplits(NetworkId)));
45 connect(this, SIGNAL(newEvent(Event *)), coreSession()->eventManager(), SLOT(postEvent(Event *)));
49 bool CoreSessionEventProcessor::checkParamCount(IrcEvent *e, int minParams)
51 if (e->params().count() < minParams) {
52 if (e->type() == EventManager::IrcEventNumeric) {
53 qWarning() << "Command " << static_cast<IrcEventNumeric *>(e)->number() << " requires " << minParams << "params, got: " << e->params();
56 QString name = coreSession()->eventManager()->enumName(e->type());
57 qWarning() << qPrintable(name) << "requires" << minParams << "params, got:" << e->params();
66 void CoreSessionEventProcessor::tryNextNick(NetworkEvent *e, const QString &errnick, bool erroneus)
68 QStringList desiredNicks = coreSession()->identity(e->network()->identity())->nicks();
69 int nextNickIdx = desiredNicks.indexOf(errnick) + 1;
71 if (nextNickIdx > 0 && desiredNicks.size() > nextNickIdx) {
72 nextNick = desiredNicks[nextNickIdx];
76 // FIXME Make this an ErrorEvent or something like that, so it's translated in the client
77 MessageEvent *msgEvent = new MessageEvent(Message::Error, e->network(),
78 tr("No free and valid nicks in nicklist found. use: /nick <othernick> to continue"),
79 QString(), QString(), Message::None, e->timestamp());
80 emit newEvent(msgEvent);
84 nextNick = errnick + "_";
87 // FIXME Use a proper output event for this
88 coreNetwork(e)->putRawLine("NICK " + coreNetwork(e)->encodeServerString(nextNick));
92 void CoreSessionEventProcessor::processIrcEventNumeric(IrcEventNumeric *e)
94 switch (e->number()) {
95 // SASL authentication replies
96 // See: http://ircv3.net/specs/extensions/sasl-3.1.html
97 // TODO Handle errors to stop connection if appropriate
98 case 903: // RPL_SASLSUCCESS
99 case 904: // ERR_SASLFAIL
100 case 905: // ERR_SASLTOOLONG
101 case 906: // ERR_SASLABORTED
102 case 907: // ERR_SASLALREADY
103 // Move on to the next capability
104 sendNextCap(e->network());
113 void CoreSessionEventProcessor::processIrcEventAuthenticate(IrcEvent *e)
115 if (!checkParamCount(e, 1))
118 if (e->params().at(0) != "+") {
119 qWarning() << "Invalid AUTHENTICATE" << e;
123 CoreNetwork *net = coreNetwork(e);
126 if (net->identityPtr()->sslCert().isNull()) {
128 QString construct = net->saslAccount();
129 construct.append(QChar(QChar::Null));
130 construct.append(net->saslAccount());
131 construct.append(QChar(QChar::Null));
132 construct.append(net->saslPassword());
133 QByteArray saslData = QByteArray(construct.toLatin1().toBase64());
134 saslData.prepend("AUTHENTICATE ");
135 net->putRawLine(saslData);
138 net->putRawLine("AUTHENTICATE +");
143 void CoreSessionEventProcessor::sendNextCap(Network *net)
145 CoreNetwork *coreNet = qobject_cast<CoreNetwork *>(net);
146 if (coreNet->capNegotiationInProgress()) {
147 // Request the next capability and remove it from the list
148 // Handle one at a time so one capability failing won't NAK all of 'em
149 coreNet->putRawLine(coreNet->serverEncode(QString("CAP REQ :%1").arg(coreNet->takeQueuedCap())));
151 // If SASL requested but not available, print a warning
152 if (coreNet->networkInfo().useSasl && !coreNet->useCapSASL())
153 emit newEvent(new MessageEvent(Message::Error, net, tr("SASL authentication not supported by server, continuing without"), QString(), QString(), Message::None, QDateTime::currentDateTimeUtc()));
155 // No pending desired capabilities, end negotiation
156 coreNet->putRawLine(coreNet->serverEncode(QString("CAP END")));
157 emit newEvent(new MessageEvent(Message::Server, net, tr("Capability negotiation finished"), QString(), QString(), Message::None, QDateTime::currentDateTimeUtc()));
161 void CoreSessionEventProcessor::processIrcEventCap(IrcEvent *e)
163 // Handle capability negotiation
164 // See: http://ircv3.net/specs/core/capability-negotiation-3.2.html
165 // And: http://ircv3.net/specs/core/capability-negotiation-3.1.html
166 if (e->params().count() >= 3) {
167 CoreNetwork *coreNet = coreNetwork(e);
168 if (e->params().at(1).compare("LS", Qt::CaseInsensitive) == 0) {
169 // Server: CAP * LS * :multi-prefix extended-join account-notify batch invite-notify tls
170 // Server: CAP * LS * :cap-notify server-time example.org/dummy-cap=dummyvalue example.org/second-dummy-cap
171 // Server: CAP * LS :userhost-in-names sasl=EXTERNAL,DH-AES,DH-BLOWFISH,ECDSA-NIST256P-CHALLENGE,PLAIN
172 bool capListFinished;
173 QStringList availableCaps;
174 if (e->params().count() == 4) {
175 // Middle of multi-line reply, ignore the asterisk
176 capListFinished = false;
177 availableCaps = e->params().at(3).split(' ');
180 capListFinished = true;
181 availableCaps = e->params().at(2).split(' ');
183 // We know what capabilities are available, request what we want.
184 QStringList availableCapPair;
185 bool queueCurrentCap;
186 for (int i = 0; i < availableCaps.count(); ++i) {
187 // Capability may include values, e.g. CAP * LS :multi-prefix sasl=EXTERNAL
188 availableCapPair = availableCaps[i].trimmed().split('=');
189 queueCurrentCap = false;
190 if (availableCapPair.at(0).startsWith("sasl")) {
191 // Only request SASL if it's enabled
192 if (coreNet->networkInfo().useSasl)
193 queueCurrentCap = true;
194 } else if (availableCapPair.at(0).startsWith("away-notify")) {
195 // Always request these capabilities if available
196 queueCurrentCap = true;
198 if (queueCurrentCap) {
199 if(availableCapPair.count() >= 2)
200 coreNet->queuePendingCap(availableCapPair.at(0).trimmed(), availableCapPair.at(1).trimmed());
202 coreNet->queuePendingCap(availableCapPair.at(0).trimmed());
205 // Begin capability requests when capability listing complete
206 if (capListFinished) {
207 emit newEvent(new MessageEvent(Message::Server, e->network(), tr("Negotiating capabilities..."), QString(), QString(), Message::None, e->timestamp()));
208 sendNextCap(coreNet);
210 } else if (e->params().at(1).compare("ACK", Qt::CaseInsensitive) == 0) {
211 // Server: CAP * ACK :multi-prefix sasl
212 // Got the capability we want, enable, handle as needed.
213 // As only one capability is requested at a time, no need to split
214 // Lower-case the list to make later comparisons easier
215 // Capability may include values, e.g. CAP * LS :multi-prefix sasl=EXTERNAL
216 QStringList acceptedCap = e->params().at(2).trimmed().split('=');
218 // Mark this cap as accepted
219 if(acceptedCap.count() >= 2)
220 coreNet->addCap(acceptedCap.at(0), acceptedCap.at(1));
222 coreNet->addCap(acceptedCap.at(0));
224 // Handle special cases
225 if (acceptedCap.at(0).startsWith("sasl")) {
226 // Freenode (at least) sends "sasl " with a trailing space for some reason!
227 // if the current identity has a cert set, use SASL EXTERNAL
229 // TODO If value of sasl capability is not empty, limit to accepted
231 if (!coreNet->identityPtr()->sslCert().isNull()) {
232 coreNet->putRawLine(coreNet->serverEncode("AUTHENTICATE EXTERNAL"));
235 // Only working with PLAIN atm, blowfish later
236 coreNet->putRawLine(coreNet->serverEncode("AUTHENTICATE PLAIN"));
241 // Special handling not needed, move on to next cap
242 sendNextCap(coreNet);
244 } else if (e->params().at(1).compare("NAK", Qt::CaseInsensitive) == 0) {
245 // Something went wrong with this capability, disable, go to next cap
246 // As only one capability is requested at a time, no need to split
247 // Lower-case the list to make later comparisons easier
248 QString deniedCap = e->params().at(2).trimmed();
249 coreNet->removeCap(deniedCap);
250 sendNextCap(coreNet);
256 /* IRCv3 away-notify - ":nick!user@host AWAY [:message]" */
257 void CoreSessionEventProcessor::processIrcEventAway(IrcEvent *e)
259 if (!checkParamCount(e, 2))
262 // Nick is sent as part of parameters in order to split user/server decoding
263 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
265 if (!e->params().at(1).isEmpty()) {
266 ircuser->setAway(true);
267 ircuser->setAwayMessage(e->params().at(1));
269 ircuser->setAway(false);
272 qDebug() << "Received away-notify data for unknown user" << e->params().at(0);
276 void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e)
278 if (checkParamCount(e, 2)) {
279 e->network()->updateNickFromMask(e->prefix());
284 void CoreSessionEventProcessor::processIrcEventJoin(IrcEvent *e)
286 if (e->testFlag(EventManager::Fake)) // generated by handleEarlyNetsplitJoin
289 if (!checkParamCount(e, 1))
292 CoreNetwork *net = coreNetwork(e);
293 QString channel = e->params()[0];
294 IrcUser *ircuser = net->updateNickFromMask(e->prefix());
296 bool handledByNetsplit = false;
297 foreach(Netsplit* n, _netsplits.value(e->network())) {
298 handledByNetsplit = n->userJoined(e->prefix(), channel);
299 if (handledByNetsplit)
303 // If using away-notify, check new users. Works around buggy IRC servers
304 // forgetting to send :away messages for users who join channels when away.
305 if (coreNetwork(e)->useCapAwayNotify()) {
306 coreNetwork(e)->queueAutoWhoOneshot(ircuser->nick());
309 if (!handledByNetsplit)
310 ircuser->joinChannel(channel);
312 e->setFlag(EventManager::Netsplit);
314 if (net->isMe(ircuser)) {
315 net->setChannelJoined(channel);
317 net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely
322 void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e)
324 if (checkParamCount(e, 2)) {
325 e->network()->updateNickFromMask(e->prefix());
326 IrcUser *victim = e->network()->ircUser(e->params().at(1));
328 victim->partChannel(e->params().at(0));
329 //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel);
335 void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e)
337 if (!checkParamCount(e, 2))
340 if (e->network()->isChannelName(e->params().first())) {
343 IrcChannel *channel = e->network()->ircChannel(e->params()[0]);
345 // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that
346 // anyways: we don't have a place to store the data --> discard the info.
350 QString modes = e->params()[1];
353 for (int c = 0; c < modes.length(); c++) {
354 if (modes[c] == '+') {
358 if (modes[c] == '-') {
363 if (e->network()->prefixModes().contains(modes[c])) {
364 // user channel modes (op, voice, etc...)
365 if (paramOffset < e->params().count()) {
366 IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]);
368 qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset];
372 bool handledByNetsplit = false;
373 QHash<QString, Netsplit *> splits = _netsplits.value(e->network());
374 foreach(Netsplit* n, _netsplits.value(e->network())) {
375 handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name());
376 if (handledByNetsplit) {
377 n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c]));
381 if (!handledByNetsplit)
382 channel->addUserMode(ircUser, QString(modes[c]));
385 channel->removeUserMode(ircUser, QString(modes[c]));
389 qWarning() << "Received MODE with too few parameters:" << e->params();
394 // regular channel modes
396 Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]);
397 if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) {
398 if (paramOffset < e->params().count()) {
399 value = e->params()[paramOffset];
402 qWarning() << "Received MODE with too few parameters:" << e->params();
408 channel->addChannelMode(modes[c], value);
410 channel->removeChannelMode(modes[c], value);
416 IrcUser *ircUser = e->network()->newIrcUser(e->params().first());
417 QString modeString(e->params()[1]);
421 for (int c = 0; c < modeString.count(); c++) {
422 if (modeString[c] == '+') {
426 if (modeString[c] == '-') {
431 addModes += modeString[c];
433 removeModes += modeString[c];
435 if (!addModes.isEmpty())
436 ircUser->addUserModes(addModes);
437 if (!removeModes.isEmpty())
438 ircUser->removeUserModes(removeModes);
440 if (e->network()->isMe(ircUser)) {
441 coreNetwork(e)->updatePersistentModes(addModes, removeModes);
447 void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e)
449 if (checkParamCount(e, 1)) {
450 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
452 qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
455 QString newnick = e->params().at(0);
456 QString oldnick = ircuser->nick();
458 // the order is cruicial
459 // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore
460 // and remove the ircuser from the querybuffer leading to a wrong on/offline state
461 ircuser->setNick(newnick);
462 coreSession()->renameBuffer(e->networkId(), newnick, oldnick);
467 void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e)
469 if (checkParamCount(e, 1)) {
470 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
472 qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
475 QString channel = e->params().at(0);
476 ircuser->partChannel(channel);
477 if (e->network()->isMe(ircuser))
478 qobject_cast<CoreNetwork *>(e->network())->setChannelParted(channel);
483 void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e)
485 QString param = e->params().count() ? e->params().first() : QString();
487 coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param));
491 void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e)
493 // the server is supposed to send back what we passed as param. and we send a timestamp
494 // but using quote and whatnought one can send arbitrary pings, so we have to do some sanity checks
495 if (checkParamCount(e, 2)) {
496 QString timestamp = e->params().at(1);
497 QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz");
498 if (sendTime.isValid())
499 e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2);
504 void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e)
506 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
511 if (e->params().count() > 0)
512 msg = e->params()[0];
515 if (Netsplit::isNetsplit(msg)) {
517 if (!_netsplits[e->network()].contains(msg)) {
518 n = new Netsplit(e->network(), this);
519 connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished()));
520 connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)),
521 this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString)));
522 connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)),
523 this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString)));
524 connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)),
525 this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList)));
526 _netsplits[e->network()].insert(msg, n);
529 n = _netsplits[e->network()][msg];
531 // add this user to the netsplit
532 n->userQuit(e->prefix(), ircuser->channels(), msg);
533 e->setFlag(EventManager::Netsplit);
535 // normal quit is handled in lateProcessIrcEventQuit()
539 void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e)
541 if (e->testFlag(EventManager::Netsplit))
544 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
552 void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e)
554 if (checkParamCount(e, 2)) {
555 e->network()->updateNickFromMask(e->prefix());
556 IrcChannel *channel = e->network()->ircChannel(e->params().at(0));
558 channel->setTopic(e->params().at(1));
564 void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e)
566 if (!Cipher::neededFeaturesAvailable()) {
567 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()));
570 CoreNetwork *net = qobject_cast<CoreNetwork*>(e->network());
571 Cipher *c = net->cipher(e->target());
572 if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?)
575 if (e->exchangeType() == KeyEvent::Init) {
576 QByteArray pubKey = c->parseInitKeyX(e->key());
577 if (pubKey.isEmpty()) {
578 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()));
581 net->setCipherKey(e->target(), c->key());
582 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()));
584 p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey;
585 net->putCmd("NOTICE", p);
588 if (c->parseFinishKeyX(e->key())) {
589 net->setCipherKey(e->target(), c->key());
590 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()));
592 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()));
600 void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e)
602 e->network()->setCurrentServer(e->prefix());
603 e->network()->setMyNick(e->target());
608 // TODO Complete 005 handling, also use sensible defaults for non-sent stuff
609 void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e)
611 if (!checkParamCount(e, 1))
615 for (int i = 0; i < e->params().count() - 1; i++) {
616 QString key = e->params()[i].section("=", 0, 0);
617 QString value = e->params()[i].section("=", 1);
618 e->network()->addSupport(key, value);
621 /* determine our prefixes here to get an accurate result */
622 e->network()->determinePrefixes();
626 /* RPL_UMODEIS - "<user_modes> [<user_mode_params>]" */
627 void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *)
629 // TODO: save information in network object
633 /* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */
634 void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *)
636 // TODO: save information in network object
640 /* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */
641 void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *)
643 // TODO: save information in network object
647 /* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */
648 void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *)
650 // TODO: save information in network object
656 Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message.
658 "<nick> :<away message>"
660 Replies 352 and 315 paired are used to answer a WHO message.
663 Replies 314 and 369 are responses to a WHOWAS message.
667 /* RPL_AWAY - "<nick> :<away message>" */
668 void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e)
670 if (!checkParamCount(e, 2))
673 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
675 ircuser->setAway(true);
676 ircuser->setAwayMessage(e->params().at(1));
677 //ircuser->setLastAwayMessage(now);
682 /* RPL_UNAWAY - ":You are no longer marked as being away" */
683 void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e)
685 IrcUser *me = e->network()->me();
689 if (e->network()->autoAwayActive()) {
690 e->network()->setAutoAwayActive(false);
691 e->setFlag(EventManager::Silent);
696 /* RPL_NOWAWAY - ":You have been marked as being away" */
697 void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e)
699 IrcUser *me = e->network()->me();
705 /* RPL_WHOISSERVICE - "<user> is registered nick" */
706 void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e)
708 if (!checkParamCount(e, 1))
711 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
713 ircuser->setWhoisServiceReply(e->params().join(" "));
717 /* RPL_SUSERHOST - "<user> is available for help." */
718 void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e)
720 if (!checkParamCount(e, 1))
723 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
725 ircuser->setSuserHost(e->params().join(" "));
729 /* RPL_WHOISUSER - "<nick> <user> <host> * :<real name>" */
730 void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e)
732 if (!checkParamCount(e, 3))
735 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
737 ircuser->setUser(e->params().at(1));
738 ircuser->setHost(e->params().at(2));
739 ircuser->setRealName(e->params().last());
744 /* RPL_WHOISSERVER - "<nick> <server> :<server info>" */
745 void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e)
747 if (!checkParamCount(e, 2))
750 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
752 ircuser->setServer(e->params().at(1));
756 /* RPL_WHOISOPERATOR - "<nick> :is an IRC operator" */
757 void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e)
759 if (!checkParamCount(e, 1))
762 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
764 ircuser->setIrcOperator(e->params().last());
768 /* RPL_ENDOFWHO: "<name> :End of WHO list" */
769 void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e)
771 if (!checkParamCount(e, 1))
774 if (coreNetwork(e)->setAutoWhoDone(e->params()[0]))
775 e->setFlag(EventManager::Silent);
779 /* RPL_WHOISIDLE - "<nick> <integer> :seconds idle"
780 (real life: "<nick> <integer> <integer> :seconds idle, signon time) */
781 void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e)
783 if (!checkParamCount(e, 2))
788 int idleSecs = e->params()[1].toInt();
789 if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation
790 int logintime = e->params()[2].toInt();
791 loginTime = QDateTime::fromTime_t(logintime);
794 IrcUser *ircuser = e->network()->ircUser(e->params()[0]);
796 ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs));
797 if (loginTime.isValid())
798 ircuser->setLoginTime(loginTime);
803 /* RPL_LIST - "<channel> <# visible> :<topic>" */
804 void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e)
806 if (!checkParamCount(e, 1))
810 quint32 userCount = 0;
813 switch (e->params().count()) {
815 topic = e->params()[2];
817 userCount = e->params()[1].toUInt();
819 channelName = e->params()[0];
823 if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic))
824 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
828 /* RPL_LISTEND ":End of LIST" */
829 void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e)
831 if (!checkParamCount(e, 1))
834 if (coreSession()->ircListHelper()->endOfChannelList(e->networkId()))
835 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
839 /* RPL_CHANNELMODEIS - "<channel> <mode> <mode params>" */
840 void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e)
842 processIrcEventMode(e);
847 void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e)
849 if (!checkParamCount(e, 1))
852 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
854 chan->setTopic(QString());
859 void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e)
861 if (!checkParamCount(e, 2))
864 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
866 chan->setTopic(e->params()[1]);
870 /* RPL_WHOREPLY: "<channel> <user> <host> <server> <nick>
871 ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] :<hopcount> <real name>" */
872 void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e)
874 if (!checkParamCount(e, 6))
877 QString channel = e->params()[0];
878 IrcUser *ircuser = e->network()->ircUser(e->params()[4]);
880 ircuser->setUser(e->params()[1]);
881 ircuser->setHost(e->params()[2]);
883 bool away = e->params()[5].startsWith("G");
884 ircuser->setAway(away);
885 ircuser->setServer(e->params()[3]);
886 ircuser->setRealName(e->params().last().section(" ", 1));
889 // Check if channel name has a who in progress.
890 // If not, then check if user nick exists and has a who in progress.
891 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
892 (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
893 e->setFlag(EventManager::Silent);
899 void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e)
901 if (!checkParamCount(e, 3))
904 // param[0] is either "=", "*" or "@" indicating a public, private or secret channel
905 // we don't use this information at the time beeing
906 QString channelname = e->params()[1];
908 IrcChannel *channel = e->network()->ircChannel(channelname);
910 qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname;
917 foreach(QString nick, e->params()[2].split(' ', QString::SkipEmptyParts)) {
920 if (e->network()->prefixes().contains(nick[0])) {
921 mode = e->network()->prefixToMode(nick[0]);
929 channel->joinIrcUsers(nicks, modes);
933 /* ERR_ERRONEUSNICKNAME */
934 void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e)
936 if (!checkParamCount(e, 1))
940 if (e->params().count() < 2) {
941 // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase:
943 // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters
944 // correct server reply:
945 // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters
946 e->params().prepend(e->target());
949 errnick = e->params()[0];
951 tryNextNick(e, errnick, true /* erroneus */);
955 /* ERR_NICKNAMEINUSE */
956 void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e)
958 if (!checkParamCount(e, 1))
961 QString errnick = e->params().first();
963 // if there is a problem while connecting to the server -> we handle it
964 // but only if our connection has not been finished yet...
965 if (!e->network()->currentServer().isEmpty())
968 tryNextNick(e, errnick);
972 /* ERR_UNAVAILRESOURCE */
973 void CoreSessionEventProcessor::processIrcEvent437(IrcEventNumeric *e)
975 if (!checkParamCount(e, 1))
978 QString errnick = e->params().first();
980 // if there is a problem while connecting to the server -> we handle it
981 // but only if our connection has not been finished yet...
982 if (!e->network()->currentServer().isEmpty())
985 if (!e->network()->isChannelName(errnick))
986 tryNextNick(e, errnick);
991 void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) {
992 if(!checkParamCount(e, 1))
998 /* Handle signals from Netsplit objects */
1000 void CoreSessionEventProcessor::handleNetsplitJoin(Network *net,
1001 const QString &channel,
1002 const QStringList &users,
1003 const QStringList &modes,
1004 const QString &quitMessage)
1006 IrcChannel *ircChannel = net->ircChannel(channel);
1010 QList<IrcUser *> ircUsers;
1011 QStringList newModes = modes;
1012 QStringList newUsers = users;
1014 foreach(const QString &user, users) {
1015 IrcUser *iu = net->ircUser(nickFromMask(user));
1017 ircUsers.append(iu);
1018 else { // the user already quit
1019 int idx = users.indexOf(user);
1020 newUsers.removeAt(idx);
1021 newModes.removeAt(idx);
1025 ircChannel->joinIrcUsers(ircUsers, newModes);
1026 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage);
1027 emit newEvent(event);
1031 void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage)
1033 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage);
1034 emit newEvent(event);
1035 foreach(QString user, users) {
1036 IrcUser *iu = net->ircUser(nickFromMask(user));
1043 void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes)
1045 IrcChannel *ircChannel = net->ircChannel(channel);
1047 qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid";
1050 QList<NetworkEvent *> events;
1051 QList<IrcUser *> ircUsers;
1052 QStringList newModes = modes;
1054 foreach(QString user, users) {
1055 IrcUser *iu = net->updateNickFromMask(user);
1057 ircUsers.append(iu);
1058 // fake event for scripts that consume join events
1059 events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel);
1062 newModes.removeAt(users.indexOf(user));
1065 ircChannel->joinIrcUsers(ircUsers, newModes);
1066 foreach(NetworkEvent *event, events) {
1067 event->setFlag(EventManager::Fake); // ignore this in here!
1068 emit newEvent(event);
1073 void CoreSessionEventProcessor::handleNetsplitFinished()
1075 Netsplit *n = qobject_cast<Netsplit *>(sender());
1077 QHash<QString, Netsplit *> splithash = _netsplits.take(n->network());
1078 splithash.remove(splithash.key(n));
1079 if (splithash.count())
1080 _netsplits[n->network()] = splithash;
1085 void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId)
1087 Network *net = coreSession()->network(netId);
1091 QHash<QString, Netsplit *> splits = _netsplits.take(net);
1096 /*******************************/
1097 /******** CTCP HANDLING ********/
1098 /*******************************/
1100 void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e)
1102 if (e->testFlag(EventManager::Self))
1103 return; // ignore ctcp events generated by user input
1105 if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query)
1108 handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e));
1112 void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e)
1114 // This handler is only there to avoid warnings for unknown CTCPs
1120 void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e)
1122 // This handler is only there to feed CLIENTINFO
1127 void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e)
1129 QStringList supportedHandlers;
1130 foreach(QString handler, providesHandlers())
1131 supportedHandlers << handler.toUpper();
1132 qSort(supportedHandlers);
1133 e->setReply(supportedHandlers.join(" "));
1137 // http://www.irchelp.org/irchelp/rfc/ctcpspec.html
1138 // http://en.wikipedia.org/wiki/Direct_Client-to-Client
1139 void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e)
1141 // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in
1142 if (!Quassel::isOptionSet("enable-experimental-dcc")) {
1143 quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
1147 // normal: SEND <filename> <ip> <port> [<filesize>]
1148 // reverse: SEND <filename> <ip> 0 <filesize> <token>
1149 QStringList params = e->param().split(' ');
1150 if (params.count()) {
1151 QString cmd = params[0].toUpper();
1152 if (cmd == "SEND") {
1153 if (params.count() < 4) {
1154 qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client
1157 QString filename = params[1];
1158 QHostAddress address;
1159 quint16 port = params[3].toUShort();
1161 QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon)
1162 if (numIp.contains(':')) { // IPv6
1163 if (!address.setAddress(numIp)) {
1164 qWarning() << "Invalid IPv6:" << numIp;
1169 address.setAddress(numIp.toUInt());
1172 if (port == 0) { // Reverse DCC is indicated by a 0 port
1173 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp()));
1177 qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok
1181 if (params.count() > 4) { // filesize is optional
1182 size = params[4].toULong();
1185 // TODO: check if target is the right thing to use for the partner
1186 CoreTransfer *transfer = new CoreTransfer(Transfer::Receive, e->target(), filename, address, port, size, this);
1187 coreSession()->signalProxy()->synchronize(transfer);
1188 coreSession()->transferManager()->addTransfer(transfer);
1191 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp()));
1198 void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e)
1200 e->setReply(e->param().isNull() ? "" : e->param());
1204 void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e)
1206 e->setReply(QDateTime::currentDateTime().toString());
1210 void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
1212 e->setReply(QString("Quassel IRC %1 (built on %2) -- http://www.quassel-irc.org")
1213 .arg(Quassel::buildInfo().plainVersionString).arg(Quassel::buildInfo().buildDate));