1 /***************************************************************************
2 * Copyright (C) 2005-2016 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"
43 CoreSessionEventProcessor::CoreSessionEventProcessor(CoreSession *session)
44 : BasicHandler("handleCtcp", session),
47 connect(coreSession(), SIGNAL(networkDisconnected(NetworkId)), this, SLOT(destroyNetsplits(NetworkId)));
48 connect(this, SIGNAL(newEvent(Event *)), coreSession()->eventManager(), SLOT(postEvent(Event *)));
52 bool CoreSessionEventProcessor::checkParamCount(IrcEvent *e, int minParams)
54 if (e->params().count() < minParams) {
55 if (e->type() == EventManager::IrcEventNumeric) {
56 qWarning() << "Command " << static_cast<IrcEventNumeric *>(e)->number() << " requires " << minParams << "params, got: " << e->params();
59 QString name = coreSession()->eventManager()->enumName(e->type());
60 qWarning() << qPrintable(name) << "requires" << minParams << "params, got:" << e->params();
69 void CoreSessionEventProcessor::tryNextNick(NetworkEvent *e, const QString &errnick, bool erroneus)
71 QStringList desiredNicks = coreSession()->identity(e->network()->identity())->nicks();
72 int nextNickIdx = desiredNicks.indexOf(errnick) + 1;
74 if (nextNickIdx > 0 && desiredNicks.size() > nextNickIdx) {
75 nextNick = desiredNicks[nextNickIdx];
79 // FIXME Make this an ErrorEvent or something like that, so it's translated in the client
80 MessageEvent *msgEvent = new MessageEvent(Message::Error, e->network(),
81 tr("No free and valid nicks in nicklist found. use: /nick <othernick> to continue"),
82 QString(), QString(), Message::None, e->timestamp());
83 emit newEvent(msgEvent);
87 nextNick = errnick + "_";
90 // FIXME Use a proper output event for this
91 coreNetwork(e)->putRawLine("NICK " + coreNetwork(e)->encodeServerString(nextNick));
95 void CoreSessionEventProcessor::processIrcEventNumeric(IrcEventNumeric *e)
97 switch (e->number()) {
98 // SASL authentication replies
99 // See: http://ircv3.net/specs/extensions/sasl-3.1.html
101 //case 900: // RPL_LOGGEDIN
102 //case 901: // RPL_LOGGEDOUT
103 // Don't use 900 or 901 for updating the local hostmask. Unreal 3.2 gives it as the IP address
104 // even when cloaked.
105 // Every other reply should result in moving on
106 // TODO Handle errors to stop connection if appropriate
107 case 902: // ERR_NICKLOCKED
108 case 903: // RPL_SASLSUCCESS
109 case 904: // ERR_SASLFAIL
110 case 905: // ERR_SASLTOOLONG
111 case 906: // ERR_SASLABORTED
112 case 907: // ERR_SASLALREADY
113 // Move on to the next capability
114 coreNetwork(e)->sendNextCap();
123 void CoreSessionEventProcessor::processIrcEventAuthenticate(IrcEvent *e)
125 if (!checkParamCount(e, 1))
128 if (e->params().at(0) != "+") {
129 qWarning() << "Invalid AUTHENTICATE" << e;
133 CoreNetwork *net = coreNetwork(e);
136 if (net->identityPtr()->sslCert().isNull()) {
138 QString construct = net->saslAccount();
139 construct.append(QChar(QChar::Null));
140 construct.append(net->saslAccount());
141 construct.append(QChar(QChar::Null));
142 construct.append(net->saslPassword());
143 QByteArray saslData = QByteArray(construct.toLatin1().toBase64());
144 saslData.prepend("AUTHENTICATE ");
145 net->putRawLine(saslData);
148 net->putRawLine("AUTHENTICATE +");
153 void CoreSessionEventProcessor::processIrcEventCap(IrcEvent *e)
155 // Handle capability negotiation
156 // See: http://ircv3.net/specs/core/capability-negotiation-3.2.html
157 // And: http://ircv3.net/specs/core/capability-negotiation-3.1.html
158 if (e->params().count() >= 3) {
159 CoreNetwork *coreNet = coreNetwork(e);
160 QString capCommand = e->params().at(1).trimmed().toUpper();
161 if (capCommand == "LS" || capCommand == "NEW") {
162 // Either we've gotten a list of capabilities, or new capabilities we may want
163 // Server: CAP * LS * :multi-prefix extended-join account-notify batch invite-notify tls
164 // Server: CAP * LS * :cap-notify server-time example.org/dummy-cap=dummyvalue example.org/second-dummy-cap
165 // Server: CAP * LS :userhost-in-names sasl=EXTERNAL,DH-AES,DH-BLOWFISH,ECDSA-NIST256P-CHALLENGE,PLAIN
166 bool capListFinished;
167 QStringList availableCaps;
168 if (e->params().count() == 4) {
169 // Middle of multi-line reply, ignore the asterisk
170 capListFinished = false;
171 availableCaps = e->params().at(3).split(' ');
174 capListFinished = true;
175 availableCaps = e->params().at(2).split(' ');
177 // Store what capabilities are available
178 QStringList availableCapPair;
179 for (int i = 0; i < availableCaps.count(); ++i) {
180 // Capability may include values, e.g. CAP * LS :multi-prefix sasl=EXTERNAL
181 availableCapPair = availableCaps[i].trimmed().split('=');
182 if(availableCapPair.count() >= 2) {
183 coreNet->addCap(availableCapPair.at(0).trimmed().toLower(), availableCapPair.at(1).trimmed());
185 coreNet->addCap(availableCapPair.at(0).trimmed().toLower());
189 // Begin capability requests when capability listing complete
191 coreNet->beginCapNegotiation();
192 } else if (capCommand == "ACK") {
193 // Server: CAP * ACK :multi-prefix sasl
194 // Got the capability we want, handle as needed.
195 // As only one capability is requested at a time, no need to split
196 QString acceptedCap = e->params().at(2).trimmed().toLower();
198 // Mark this cap as accepted
199 coreNet->acknowledgeCap(acceptedCap);
201 if (!coreNet->capsRequiringConfiguration.contains(acceptedCap)) {
202 // Some capabilities (e.g. SASL) require further messages to finish. If so, do NOT
203 // send the next capability; it will be handled elsewhere in CoreNetwork.
204 // Otherwise, move on to the next capability
205 coreNet->sendNextCap();
207 } else if (capCommand == "NAK" || capCommand == "DEL") {
208 // Either something went wrong with this capability, or it is no longer supported
210 // Server: CAP * NAK :multi-prefix sasl
212 // Server: :irc.example.com CAP modernclient DEL :multi-prefix sasl
213 // CAP NAK and CAP DEL replies are always single-line
215 QStringList removedCaps;
216 removedCaps = e->params().at(2).split(' ');
218 // Store what capability was denied or removed
220 for (int i = 0; i < removedCaps.count(); ++i) {
221 removedCap = removedCaps[i].trimmed().toLower();
222 // Mark this cap as removed
223 coreNet->removeCap(removedCap);
226 if (capCommand == "NAK") {
227 // Continue negotiation when capability listing complete only if this is the result
228 // of a denied cap, not a removed cap
229 coreNet->sendNextCap();
235 /* IRCv3 account-notify
236 * Log in: ":nick!user@host ACCOUNT accountname"
237 * Log out: ":nick!user@host ACCOUNT *" */
238 void CoreSessionEventProcessor::processIrcEventAccount(IrcEvent *e)
240 if (!checkParamCount(e, 1))
243 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
245 QString newAccount = e->params().at(0);
246 // WHOX uses '0' to indicate logged-out, account-notify uses '*'
247 if (newAccount != "*") {
248 // Account logged in, set account name
249 ircuser->setAccount(newAccount);
251 // Account logged out, set account name to logged-out
252 ircuser->setAccount("*");
255 qDebug() << "Received account-notify data for unknown user" << e->prefix();
259 /* IRCv3 away-notify - ":nick!user@host AWAY [:message]" */
260 void CoreSessionEventProcessor::processIrcEventAway(IrcEvent *e)
262 if (!checkParamCount(e, 2))
265 // Nick is sent as part of parameters in order to split user/server decoding
266 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
268 if (!e->params().at(1).isEmpty()) {
269 ircuser->setAway(true);
270 ircuser->setAwayMessage(e->params().at(1));
272 ircuser->setAway(false);
275 qDebug() << "Received away-notify data for unknown user" << e->params().at(0);
279 /* IRCv3 chghost - ":nick!user@host CHGHOST newuser new.host.goes.here" */
280 void CoreSessionEventProcessor::processIrcEventChghost(IrcEvent *e)
282 if (!checkParamCount(e, 2))
285 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
287 // Update with new user/hostname information. setUser/setHost handles checking what
289 ircuser->setUser(e->params().at(0));
290 ircuser->setHost(e->params().at(1));
292 qDebug() << "Received chghost data for unknown user" << e->prefix();
296 void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e)
298 if (checkParamCount(e, 2)) {
299 e->network()->updateNickFromMask(e->prefix());
304 void CoreSessionEventProcessor::processIrcEventJoin(IrcEvent *e)
306 if (e->testFlag(EventManager::Fake)) // generated by handleEarlyNetsplitJoin
309 if (!checkParamCount(e, 1))
312 CoreNetwork *net = coreNetwork(e);
313 QString channel = e->params()[0];
314 IrcUser *ircuser = net->updateNickFromMask(e->prefix());
316 if (net->capEnabled(IrcCap::EXTENDED_JOIN)) {
317 if (!checkParamCount(e, 3))
319 // If logged in, :nick!user@host JOIN #channelname accountname :Real Name
320 // If logged out, :nick!user@host JOIN #channelname * :Real Name
321 // See: http://ircv3.net/specs/extensions/extended-join-3.1.html
322 // FIXME Keep track of authed user account, requires adding support to ircuser.h/cpp
323 ircuser->setRealName(e->params()[2]);
325 // Else :nick!user@host JOIN #channelname
327 bool handledByNetsplit = false;
328 foreach(Netsplit* n, _netsplits.value(e->network())) {
329 handledByNetsplit = n->userJoined(e->prefix(), channel);
330 if (handledByNetsplit)
334 // If using away-notify, check new users. Works around buggy IRC servers
335 // forgetting to send :away messages for users who join channels when away.
336 if (net->capEnabled(IrcCap::AWAY_NOTIFY)) {
337 net->queueAutoWhoOneshot(ircuser->nick());
340 if (!handledByNetsplit)
341 ircuser->joinChannel(channel);
343 e->setFlag(EventManager::Netsplit);
345 if (net->isMe(ircuser)) {
346 net->setChannelJoined(channel);
348 net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely
353 void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e)
355 if (checkParamCount(e, 2)) {
356 e->network()->updateNickFromMask(e->prefix());
357 IrcUser *victim = e->network()->ircUser(e->params().at(1));
359 victim->partChannel(e->params().at(0));
360 //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel);
366 void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e)
368 if (!checkParamCount(e, 2))
371 if (e->network()->isChannelName(e->params().first())) {
374 IrcChannel *channel = e->network()->ircChannel(e->params()[0]);
376 // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that
377 // anyways: we don't have a place to store the data --> discard the info.
381 QString modes = e->params()[1];
384 for (int c = 0; c < modes.length(); c++) {
385 if (modes[c] == '+') {
389 if (modes[c] == '-') {
394 if (e->network()->prefixModes().contains(modes[c])) {
395 // user channel modes (op, voice, etc...)
396 if (paramOffset < e->params().count()) {
397 IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]);
399 qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset];
403 bool handledByNetsplit = false;
404 QHash<QString, Netsplit *> splits = _netsplits.value(e->network());
405 foreach(Netsplit* n, _netsplits.value(e->network())) {
406 handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name());
407 if (handledByNetsplit) {
408 n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c]));
412 if (!handledByNetsplit)
413 channel->addUserMode(ircUser, QString(modes[c]));
416 channel->removeUserMode(ircUser, QString(modes[c]));
420 qWarning() << "Received MODE with too few parameters:" << e->params();
425 // regular channel modes
427 Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]);
428 if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) {
429 if (paramOffset < e->params().count()) {
430 value = e->params()[paramOffset];
433 qWarning() << "Received MODE with too few parameters:" << e->params();
439 channel->addChannelMode(modes[c], value);
441 channel->removeChannelMode(modes[c], value);
447 IrcUser *ircUser = e->network()->newIrcUser(e->params().first());
448 QString modeString(e->params()[1]);
452 for (int c = 0; c < modeString.count(); c++) {
453 if (modeString[c] == '+') {
457 if (modeString[c] == '-') {
462 addModes += modeString[c];
464 removeModes += modeString[c];
466 if (!addModes.isEmpty())
467 ircUser->addUserModes(addModes);
468 if (!removeModes.isEmpty())
469 ircUser->removeUserModes(removeModes);
471 if (e->network()->isMe(ircUser)) {
472 coreNetwork(e)->updatePersistentModes(addModes, removeModes);
478 void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e)
480 if (checkParamCount(e, 1)) {
481 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
483 qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
486 QString newnick = e->params().at(0);
487 QString oldnick = ircuser->nick();
489 // the order is cruicial
490 // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore
491 // and remove the ircuser from the querybuffer leading to a wrong on/offline state
492 ircuser->setNick(newnick);
493 coreSession()->renameBuffer(e->networkId(), newnick, oldnick);
498 void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e)
500 if (checkParamCount(e, 1)) {
501 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
503 qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
506 QString channel = e->params().at(0);
507 ircuser->partChannel(channel);
508 if (e->network()->isMe(ircuser))
509 qobject_cast<CoreNetwork *>(e->network())->setChannelParted(channel);
514 void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e)
516 QString param = e->params().count() ? e->params().first() : QString();
518 coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param));
522 void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e)
524 // the server is supposed to send back what we passed as param. and we send a timestamp
525 // but using quote and whatnought one can send arbitrary pings, so we have to do some sanity checks
526 if (checkParamCount(e, 2)) {
527 QString timestamp = e->params().at(1);
528 QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz");
529 if (sendTime.isValid())
530 e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2);
535 void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e)
537 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
542 if (e->params().count() > 0)
543 msg = e->params()[0];
546 if (Netsplit::isNetsplit(msg)) {
548 if (!_netsplits[e->network()].contains(msg)) {
549 n = new Netsplit(e->network(), this);
550 connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished()));
551 connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)),
552 this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString)));
553 connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)),
554 this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString)));
555 connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)),
556 this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList)));
557 _netsplits[e->network()].insert(msg, n);
560 n = _netsplits[e->network()][msg];
562 // add this user to the netsplit
563 n->userQuit(e->prefix(), ircuser->channels(), msg);
564 e->setFlag(EventManager::Netsplit);
566 // normal quit is handled in lateProcessIrcEventQuit()
570 void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e)
572 if (e->testFlag(EventManager::Netsplit))
575 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
583 void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e)
585 if (checkParamCount(e, 2)) {
586 e->network()->updateNickFromMask(e->prefix());
587 IrcChannel *channel = e->network()->ircChannel(e->params().at(0));
589 channel->setTopic(e->params().at(1));
595 void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e)
597 if (!Cipher::neededFeaturesAvailable()) {
598 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()));
601 CoreNetwork *net = qobject_cast<CoreNetwork*>(e->network());
602 Cipher *c = net->cipher(e->target());
603 if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?)
606 if (e->exchangeType() == KeyEvent::Init) {
607 QByteArray pubKey = c->parseInitKeyX(e->key());
608 if (pubKey.isEmpty()) {
609 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()));
612 net->setCipherKey(e->target(), c->key());
613 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()));
615 p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey;
616 net->putCmd("NOTICE", p);
619 if (c->parseFinishKeyX(e->key())) {
620 net->setCipherKey(e->target(), c->key());
621 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()));
623 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()));
631 void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e)
633 e->network()->setCurrentServer(e->prefix());
634 e->network()->setMyNick(e->target());
639 // TODO Complete 005 handling, also use sensible defaults for non-sent stuff
640 void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e)
642 if (!checkParamCount(e, 1))
646 for (int i = 0; i < e->params().count() - 1; i++) {
647 QString key = e->params()[i].section("=", 0, 0);
648 QString value = e->params()[i].section("=", 1);
649 e->network()->addSupport(key, value);
652 /* determine our prefixes here to get an accurate result */
653 e->network()->determinePrefixes();
657 /* RPL_UMODEIS - "<user_modes> [<user_mode_params>]" */
658 void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *)
660 // TODO: save information in network object
664 /* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */
665 void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *)
667 // TODO: save information in network object
671 /* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */
672 void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *)
674 // TODO: save information in network object
678 /* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */
679 void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *)
681 // TODO: save information in network object
687 Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message.
689 "<nick> :<away message>"
691 Replies 352 and 315 paired are used to answer a WHO message.
694 Replies 314 and 369 are responses to a WHOWAS message.
698 /* RPL_AWAY - "<nick> :<away message>" */
699 void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e)
701 if (!checkParamCount(e, 2))
704 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
706 ircuser->setAway(true);
707 ircuser->setAwayMessage(e->params().at(1));
708 //ircuser->setLastAwayMessage(now);
713 /* RPL_UNAWAY - ":You are no longer marked as being away" */
714 void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e)
716 IrcUser *me = e->network()->me();
720 if (e->network()->autoAwayActive()) {
721 e->network()->setAutoAwayActive(false);
722 e->setFlag(EventManager::Silent);
727 /* RPL_NOWAWAY - ":You have been marked as being away" */
728 void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e)
730 IrcUser *me = e->network()->me();
736 /* RPL_WHOISSERVICE - "<user> is registered nick" */
737 void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e)
739 if (!checkParamCount(e, 1))
742 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
744 ircuser->setWhoisServiceReply(e->params().join(" "));
748 /* RPL_SUSERHOST - "<user> is available for help." */
749 void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e)
751 if (!checkParamCount(e, 1))
754 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
756 ircuser->setSuserHost(e->params().join(" "));
760 /* RPL_WHOISUSER - "<nick> <user> <host> * :<real name>" */
761 void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e)
763 if (!checkParamCount(e, 3))
766 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
768 ircuser->setUser(e->params().at(1));
769 ircuser->setHost(e->params().at(2));
770 ircuser->setRealName(e->params().last());
775 /* RPL_WHOISSERVER - "<nick> <server> :<server info>" */
776 void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e)
778 if (!checkParamCount(e, 2))
781 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
783 ircuser->setServer(e->params().at(1));
787 /* RPL_WHOISOPERATOR - "<nick> :is an IRC operator" */
788 void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e)
790 if (!checkParamCount(e, 1))
793 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
795 ircuser->setIrcOperator(e->params().last());
799 /* RPL_ENDOFWHO: "<name> :End of WHO list" */
800 void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e)
802 if (!checkParamCount(e, 1))
805 if (coreNetwork(e)->setAutoWhoDone(e->params()[0]))
806 e->setFlag(EventManager::Silent);
810 /* RPL_WHOISIDLE - "<nick> <integer> :seconds idle"
811 (real life: "<nick> <integer> <integer> :seconds idle, signon time) */
812 void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e)
814 if (!checkParamCount(e, 2))
819 int idleSecs = e->params()[1].toInt();
820 if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation
821 int logintime = e->params()[2].toInt();
822 loginTime = QDateTime::fromTime_t(logintime);
825 IrcUser *ircuser = e->network()->ircUser(e->params()[0]);
827 ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs));
828 if (loginTime.isValid())
829 ircuser->setLoginTime(loginTime);
834 /* RPL_LIST - "<channel> <# visible> :<topic>" */
835 void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e)
837 if (!checkParamCount(e, 1))
841 quint32 userCount = 0;
844 switch (e->params().count()) {
846 topic = e->params()[2];
848 userCount = e->params()[1].toUInt();
850 channelName = e->params()[0];
854 if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic))
855 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
859 /* RPL_LISTEND ":End of LIST" */
860 void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e)
862 if (!checkParamCount(e, 1))
865 if (coreSession()->ircListHelper()->endOfChannelList(e->networkId()))
866 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
870 /* RPL_CHANNELMODEIS - "<channel> <mode> <mode params>" */
871 void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e)
873 processIrcEventMode(e);
877 /* RPL_WHOISACCOUNT: "<nick> <account> :is authed as */
878 void CoreSessionEventProcessor::processIrcEvent330(IrcEvent *e)
880 if (!checkParamCount(e, 3))
883 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
885 ircuser->setAccount(e->params().at(1));
891 void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e)
893 if (!checkParamCount(e, 1))
896 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
898 chan->setTopic(QString());
903 void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e)
905 if (!checkParamCount(e, 2))
908 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
910 chan->setTopic(e->params()[1]);
914 /* RPL_WHOREPLY: "<channel> <user> <host> <server> <nick>
915 ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] :<hopcount> <real name>" */
916 void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e)
918 if (!checkParamCount(e, 6))
921 QString channel = e->params()[0];
922 IrcUser *ircuser = e->network()->ircUser(e->params()[4]);
924 processWhoInformation(e->network(), channel, ircuser, e->params()[3], e->params()[1],
925 e->params()[2], e->params()[5], e->params().last().section(" ", 1));
928 // Check if channel name has a who in progress.
929 // If not, then check if user nick exists and has a who in progress.
930 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
931 (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
932 e->setFlag(EventManager::Silent);
938 void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e)
940 if (!checkParamCount(e, 3))
943 // param[0] is either "=", "*" or "@" indicating a public, private or secret channel
944 // we don't use this information at the time beeing
945 QString channelname = e->params()[1];
947 IrcChannel *channel = e->network()->ircChannel(channelname);
949 qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname;
956 // Cache result of multi-prefix to avoid unneeded casts and lookups with each iteration.
957 bool _useCapMultiPrefix = coreNetwork(e)->capEnabled(IrcCap::MULTI_PREFIX);
959 foreach(QString nick, e->params()[2].split(' ', QString::SkipEmptyParts)) {
962 if (_useCapMultiPrefix) {
963 // If multi-prefix is enabled, all modes will be sent in NAMES replies.
964 // :hades.arpa 353 guest = #tethys :~&@%+aji &@Attila @+alyx +KindOne Argure
965 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
966 while (e->network()->prefixes().contains(nick[0])) {
967 // Mode found in 1 left-most character, add it to the list.
968 // Note: sending multiple modes may cause a warning in older clients.
969 // In testing, the clients still seemed to function fine.
970 mode.append(e->network()->prefixToMode(nick[0]));
971 // Remove this mode from the nick
972 nick = nick.remove(0, 1);
974 } else if (e->network()->prefixes().contains(nick[0])) {
975 // Multi-prefix is disabled and a mode prefix was found.
976 mode = e->network()->prefixToMode(nick[0]);
980 // If userhost-in-names capability is enabled, the following will be
981 // in the form "nick!user@host" rather than "nick". This works without
982 // special handling as the following use nickFromHost() as needed.
983 // See: http://ircv3.net/specs/extensions/userhost-in-names-3.2.html
989 channel->joinIrcUsers(nicks, modes);
993 /* RPL_WHOSPCRPL: "<yournick> 152 #<channel> ~<ident> <host> <servname> <nick>
994 ("H"/ "G") <account> :<realname>"
995 <channel> is * if not specific to any channel
996 <account> is * if not logged in
997 Follows HexChat's usage of 'whox'
998 See https://github.com/hexchat/hexchat/blob/c874a9525c9b66f1d5ddcf6c4107d046eba7e2c5/src/common/proto-irc.c#L750
999 And http://faerion.sourceforge.net/doc/irc/whox.var*/
1000 void CoreSessionEventProcessor::processIrcEvent354(IrcEvent *e)
1002 // First only check if at least one parameter exists. Otherwise, it'll stop the result from
1003 // being shown if the user chooses different parameters.
1004 if (!checkParamCount(e, 1))
1007 if (e->params()[0].toUInt() != IrcCap::ACCOUNT_NOTIFY_WHOX_NUM) {
1008 // Ignore WHOX replies without expected number for we have no idea what fields are specified
1012 // Now we're fairly certain this is supposed to be an automated WHOX. Bail out if it doesn't
1013 // match what we require - 9 parameters.
1014 if (!checkParamCount(e, 9))
1017 QString channel = e->params()[1];
1018 IrcUser *ircuser = e->network()->ircUser(e->params()[5]);
1020 processWhoInformation(e->network(), channel, ircuser, e->params()[4], e->params()[2],
1021 e->params()[3], e->params()[6], e->params().last());
1022 // Don't use .section(" ", 1) with WHOX replies, for there's no hopcount to trim out
1024 // As part of IRCv3 account-notify, check account name
1025 // WHOX uses '0' to indicate logged-out, account-notify uses '*'
1026 QString newAccount = e->params()[7];
1027 if (newAccount != "0") {
1028 // Account logged in, set account name
1029 ircuser->setAccount(newAccount);
1031 // Account logged out, set account name to logged-out
1032 ircuser->setAccount("*");
1036 // Check if channel name has a who in progress.
1037 // If not, then check if user nick exists and has a who in progress.
1038 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
1039 (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
1040 e->setFlag(EventManager::Silent);
1045 void CoreSessionEventProcessor::processWhoInformation (Network *net, const QString &targetChannel, IrcUser *ircUser,
1046 const QString &server, const QString &user, const QString &host,
1047 const QString &awayStateAndModes, const QString &realname)
1049 ircUser->setUser(user);
1050 ircUser->setHost(host);
1051 ircUser->setServer(server);
1052 ircUser->setRealName(realname);
1054 bool away = awayStateAndModes.contains("G", Qt::CaseInsensitive);
1055 ircUser->setAway(away);
1057 if (net->capEnabled(IrcCap::MULTI_PREFIX)) {
1058 // If multi-prefix is enabled, all modes will be sent in WHO replies.
1059 // :kenny.chatspike.net 352 guest #test grawity broken.symlink *.chatspike.net grawity H@%+ :0 Mantas M.
1060 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
1061 QString uncheckedModes = awayStateAndModes;
1062 QString validModes = QString();
1063 while (!uncheckedModes.isEmpty()) {
1064 // Mode found in 1 left-most character, add it to the list
1065 if (net->prefixes().contains(uncheckedModes[0])) {
1066 validModes.append(net->prefixToMode(uncheckedModes[0]));
1068 // Remove this mode from the list of unchecked modes
1069 uncheckedModes = uncheckedModes.remove(0, 1);
1072 // Some IRC servers decide to not follow the spec, returning only -some- of the user
1073 // modes in WHO despite listing them all in NAMES. For now, assume it can only add
1074 // and not take away. *sigh*
1075 if (!validModes.isEmpty()) {
1076 if (targetChannel != "*") {
1077 // Channel-specific modes received, apply to given channel only
1078 IrcChannel *ircChan = net->ircChannel(targetChannel);
1080 // Do one mode at a time
1081 // TODO Better way of syncing this without breaking protocol?
1082 for (int i = 0; i < validModes.count(); ++i) {
1083 ircChan->addUserMode(ircUser, validModes.at(i));
1087 // Modes apply to the user everywhere
1088 ircUser->addUserModes(validModes);
1095 /* ERR_NOSUCHCHANNEL - "<channel name> :No such channel" */
1096 void CoreSessionEventProcessor::processIrcEvent403(IrcEventNumeric *e)
1098 // If this is the result of an AutoWho, hide it. It's confusing to show to the user.
1099 if (!checkParamCount(e, 2))
1102 QString channelOrNick = e->params()[0];
1103 // Check if channel name has a who in progress.
1104 // If not, then check if user nick exists and has a who in progress.
1105 if (coreNetwork(e)->isAutoWhoInProgress(channelOrNick)) {
1106 qDebug() << "Channel/nick" << channelOrNick << "no longer exists during AutoWho, ignoring";
1107 e->setFlag(EventManager::Silent);
1111 /* ERR_ERRONEUSNICKNAME */
1112 void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e)
1114 if (!checkParamCount(e, 1))
1118 if (e->params().count() < 2) {
1119 // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase:
1121 // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters
1122 // correct server reply:
1123 // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters
1124 e->params().prepend(e->target());
1127 errnick = e->params()[0];
1129 tryNextNick(e, errnick, true /* erroneus */);
1133 /* ERR_NICKNAMEINUSE */
1134 void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e)
1136 if (!checkParamCount(e, 1))
1139 QString errnick = e->params().first();
1141 // if there is a problem while connecting to the server -> we handle it
1142 // but only if our connection has not been finished yet...
1143 if (!e->network()->currentServer().isEmpty())
1146 tryNextNick(e, errnick);
1150 /* ERR_UNAVAILRESOURCE */
1151 void CoreSessionEventProcessor::processIrcEvent437(IrcEventNumeric *e)
1153 if (!checkParamCount(e, 1))
1156 QString errnick = e->params().first();
1158 // if there is a problem while connecting to the server -> we handle it
1159 // but only if our connection has not been finished yet...
1160 if (!e->network()->currentServer().isEmpty())
1163 if (!e->network()->isChannelName(errnick))
1164 tryNextNick(e, errnick);
1169 void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) {
1170 if(!checkParamCount(e, 1))
1176 /* Handle signals from Netsplit objects */
1178 void CoreSessionEventProcessor::handleNetsplitJoin(Network *net,
1179 const QString &channel,
1180 const QStringList &users,
1181 const QStringList &modes,
1182 const QString &quitMessage)
1184 IrcChannel *ircChannel = net->ircChannel(channel);
1188 QList<IrcUser *> ircUsers;
1189 QStringList newModes = modes;
1190 QStringList newUsers = users;
1192 foreach(const QString &user, users) {
1193 IrcUser *iu = net->ircUser(nickFromMask(user));
1195 ircUsers.append(iu);
1196 else { // the user already quit
1197 int idx = users.indexOf(user);
1198 newUsers.removeAt(idx);
1199 newModes.removeAt(idx);
1203 ircChannel->joinIrcUsers(ircUsers, newModes);
1204 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage);
1205 emit newEvent(event);
1209 void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage)
1211 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage);
1212 emit newEvent(event);
1213 foreach(QString user, users) {
1214 IrcUser *iu = net->ircUser(nickFromMask(user));
1221 void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes)
1223 IrcChannel *ircChannel = net->ircChannel(channel);
1225 qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid";
1228 QList<NetworkEvent *> events;
1229 QList<IrcUser *> ircUsers;
1230 QStringList newModes = modes;
1232 foreach(QString user, users) {
1233 IrcUser *iu = net->updateNickFromMask(user);
1235 ircUsers.append(iu);
1236 // fake event for scripts that consume join events
1237 events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel);
1240 newModes.removeAt(users.indexOf(user));
1243 ircChannel->joinIrcUsers(ircUsers, newModes);
1244 foreach(NetworkEvent *event, events) {
1245 event->setFlag(EventManager::Fake); // ignore this in here!
1246 emit newEvent(event);
1251 void CoreSessionEventProcessor::handleNetsplitFinished()
1253 Netsplit *n = qobject_cast<Netsplit *>(sender());
1255 QHash<QString, Netsplit *> splithash = _netsplits.take(n->network());
1256 splithash.remove(splithash.key(n));
1257 if (splithash.count())
1258 _netsplits[n->network()] = splithash;
1263 void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId)
1265 Network *net = coreSession()->network(netId);
1269 QHash<QString, Netsplit *> splits = _netsplits.take(net);
1274 /*******************************/
1275 /******** CTCP HANDLING ********/
1276 /*******************************/
1278 void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e)
1280 if (e->testFlag(EventManager::Self))
1281 return; // ignore ctcp events generated by user input
1283 if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query)
1286 handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e));
1290 void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e)
1292 // This handler is only there to avoid warnings for unknown CTCPs
1298 void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e)
1300 // This handler is only there to feed CLIENTINFO
1305 void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e)
1307 QStringList supportedHandlers;
1308 foreach(QString handler, providesHandlers())
1309 supportedHandlers << handler.toUpper();
1310 qSort(supportedHandlers);
1311 e->setReply(supportedHandlers.join(" "));
1315 // http://www.irchelp.org/irchelp/rfc/ctcpspec.html
1316 // http://en.wikipedia.org/wiki/Direct_Client-to-Client
1317 void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e)
1319 // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in
1320 if (!Quassel::isOptionSet("enable-experimental-dcc")) {
1321 quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
1325 // normal: SEND <filename> <ip> <port> [<filesize>]
1326 // reverse: SEND <filename> <ip> 0 <filesize> <token>
1327 QStringList params = e->param().split(' ');
1328 if (params.count()) {
1329 QString cmd = params[0].toUpper();
1330 if (cmd == "SEND") {
1331 if (params.count() < 4) {
1332 qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client
1335 QString filename = params[1];
1336 QHostAddress address;
1337 quint16 port = params[3].toUShort();
1339 QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon)
1340 if (numIp.contains(':')) { // IPv6
1341 if (!address.setAddress(numIp)) {
1342 qWarning() << "Invalid IPv6:" << numIp;
1347 address.setAddress(numIp.toUInt());
1350 if (port == 0) { // Reverse DCC is indicated by a 0 port
1351 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp()));
1355 qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok
1359 if (params.count() > 4) { // filesize is optional
1360 size = params[4].toULong();
1363 // TODO: check if target is the right thing to use for the partner
1364 CoreTransfer *transfer = new CoreTransfer(Transfer::Direction::Receive, e->target(), filename, address, port, size, this);
1365 coreSession()->signalProxy()->synchronize(transfer);
1366 coreSession()->transferManager()->addTransfer(transfer);
1369 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp()));
1376 void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e)
1378 e->setReply(e->param().isNull() ? "" : e->param());
1382 void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e)
1384 e->setReply(QDateTime::currentDateTime().toString());
1388 void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
1390 e->setReply(QString("Quassel IRC %1 (built on %2) -- http://www.quassel-irc.org")
1391 .arg(Quassel::buildInfo().plainVersionString).arg(Quassel::buildInfo().commitDate));