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 // FIXME Keep track of authed user account, requires adding support to ircuser.h/cpp
247 if (e->params().at(0) != "*") {
249 qDebug() << "account-notify:" << ircuser->nick() << "logged in to" << e->params().at(0);
251 // Account logged out
252 qDebug() << "account-notify:" << ircuser->nick() << "logged out";
256 qDebug() << "Received account-notify data for unknown user" << e->prefix();
260 /* IRCv3 away-notify - ":nick!user@host AWAY [:message]" */
261 void CoreSessionEventProcessor::processIrcEventAway(IrcEvent *e)
263 if (!checkParamCount(e, 2))
266 // Nick is sent as part of parameters in order to split user/server decoding
267 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
269 if (!e->params().at(1).isEmpty()) {
270 ircuser->setAway(true);
271 ircuser->setAwayMessage(e->params().at(1));
273 ircuser->setAway(false);
276 qDebug() << "Received away-notify data for unknown user" << e->params().at(0);
280 /* IRCv3 chghost - ":nick!user@host CHGHOST newuser new.host.goes.here" */
281 void CoreSessionEventProcessor::processIrcEventChghost(IrcEvent *e)
283 if (!checkParamCount(e, 2))
286 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
288 // Update with new user/hostname information. setUser/setHost handles checking what
290 ircuser->setUser(e->params().at(0));
291 ircuser->setHost(e->params().at(1));
293 qDebug() << "Received chghost data for unknown user" << e->prefix();
297 void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e)
299 if (checkParamCount(e, 2)) {
300 e->network()->updateNickFromMask(e->prefix());
305 void CoreSessionEventProcessor::processIrcEventJoin(IrcEvent *e)
307 if (e->testFlag(EventManager::Fake)) // generated by handleEarlyNetsplitJoin
310 if (!checkParamCount(e, 1))
313 CoreNetwork *net = coreNetwork(e);
314 QString channel = e->params()[0];
315 IrcUser *ircuser = net->updateNickFromMask(e->prefix());
317 if (net->capEnabled(IrcCap::EXTENDED_JOIN)) {
318 if (!checkParamCount(e, 3))
320 // If logged in, :nick!user@host JOIN #channelname accountname :Real Name
321 // If logged out, :nick!user@host JOIN #channelname * :Real Name
322 // See: http://ircv3.net/specs/extensions/extended-join-3.1.html
323 // FIXME Keep track of authed user account, requires adding support to ircuser.h/cpp
324 ircuser->setRealName(e->params()[2]);
326 // Else :nick!user@host JOIN #channelname
328 bool handledByNetsplit = false;
329 foreach(Netsplit* n, _netsplits.value(e->network())) {
330 handledByNetsplit = n->userJoined(e->prefix(), channel);
331 if (handledByNetsplit)
335 // If using away-notify, check new users. Works around buggy IRC servers
336 // forgetting to send :away messages for users who join channels when away.
337 if (net->capEnabled(IrcCap::AWAY_NOTIFY)) {
338 net->queueAutoWhoOneshot(ircuser->nick());
341 if (!handledByNetsplit)
342 ircuser->joinChannel(channel);
344 e->setFlag(EventManager::Netsplit);
346 if (net->isMe(ircuser)) {
347 net->setChannelJoined(channel);
349 net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely
354 void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e)
356 if (checkParamCount(e, 2)) {
357 e->network()->updateNickFromMask(e->prefix());
358 IrcUser *victim = e->network()->ircUser(e->params().at(1));
360 victim->partChannel(e->params().at(0));
361 //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel);
367 void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e)
369 if (!checkParamCount(e, 2))
372 if (e->network()->isChannelName(e->params().first())) {
375 IrcChannel *channel = e->network()->ircChannel(e->params()[0]);
377 // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that
378 // anyways: we don't have a place to store the data --> discard the info.
382 QString modes = e->params()[1];
385 for (int c = 0; c < modes.length(); c++) {
386 if (modes[c] == '+') {
390 if (modes[c] == '-') {
395 if (e->network()->prefixModes().contains(modes[c])) {
396 // user channel modes (op, voice, etc...)
397 if (paramOffset < e->params().count()) {
398 IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]);
400 qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset];
404 bool handledByNetsplit = false;
405 QHash<QString, Netsplit *> splits = _netsplits.value(e->network());
406 foreach(Netsplit* n, _netsplits.value(e->network())) {
407 handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name());
408 if (handledByNetsplit) {
409 n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c]));
413 if (!handledByNetsplit)
414 channel->addUserMode(ircUser, QString(modes[c]));
417 channel->removeUserMode(ircUser, QString(modes[c]));
421 qWarning() << "Received MODE with too few parameters:" << e->params();
426 // regular channel modes
428 Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]);
429 if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) {
430 if (paramOffset < e->params().count()) {
431 value = e->params()[paramOffset];
434 qWarning() << "Received MODE with too few parameters:" << e->params();
440 channel->addChannelMode(modes[c], value);
442 channel->removeChannelMode(modes[c], value);
448 IrcUser *ircUser = e->network()->newIrcUser(e->params().first());
449 QString modeString(e->params()[1]);
453 for (int c = 0; c < modeString.count(); c++) {
454 if (modeString[c] == '+') {
458 if (modeString[c] == '-') {
463 addModes += modeString[c];
465 removeModes += modeString[c];
467 if (!addModes.isEmpty())
468 ircUser->addUserModes(addModes);
469 if (!removeModes.isEmpty())
470 ircUser->removeUserModes(removeModes);
472 if (e->network()->isMe(ircUser)) {
473 coreNetwork(e)->updatePersistentModes(addModes, removeModes);
479 void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e)
481 if (checkParamCount(e, 1)) {
482 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
484 qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
487 QString newnick = e->params().at(0);
488 QString oldnick = ircuser->nick();
490 // the order is cruicial
491 // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore
492 // and remove the ircuser from the querybuffer leading to a wrong on/offline state
493 ircuser->setNick(newnick);
494 coreSession()->renameBuffer(e->networkId(), newnick, oldnick);
499 void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e)
501 if (checkParamCount(e, 1)) {
502 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
504 qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
507 QString channel = e->params().at(0);
508 ircuser->partChannel(channel);
509 if (e->network()->isMe(ircuser))
510 qobject_cast<CoreNetwork *>(e->network())->setChannelParted(channel);
515 void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e)
517 QString param = e->params().count() ? e->params().first() : QString();
519 coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param));
523 void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e)
525 // the server is supposed to send back what we passed as param. and we send a timestamp
526 // but using quote and whatnought one can send arbitrary pings, so we have to do some sanity checks
527 if (checkParamCount(e, 2)) {
528 QString timestamp = e->params().at(1);
529 QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz");
530 if (sendTime.isValid())
531 e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2);
536 void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e)
538 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
543 if (e->params().count() > 0)
544 msg = e->params()[0];
547 if (Netsplit::isNetsplit(msg)) {
549 if (!_netsplits[e->network()].contains(msg)) {
550 n = new Netsplit(e->network(), this);
551 connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished()));
552 connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)),
553 this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString)));
554 connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)),
555 this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString)));
556 connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)),
557 this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList)));
558 _netsplits[e->network()].insert(msg, n);
561 n = _netsplits[e->network()][msg];
563 // add this user to the netsplit
564 n->userQuit(e->prefix(), ircuser->channels(), msg);
565 e->setFlag(EventManager::Netsplit);
567 // normal quit is handled in lateProcessIrcEventQuit()
571 void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e)
573 if (e->testFlag(EventManager::Netsplit))
576 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
584 void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e)
586 if (checkParamCount(e, 2)) {
587 e->network()->updateNickFromMask(e->prefix());
588 IrcChannel *channel = e->network()->ircChannel(e->params().at(0));
590 channel->setTopic(e->params().at(1));
596 void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e)
598 if (!Cipher::neededFeaturesAvailable()) {
599 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()));
602 CoreNetwork *net = qobject_cast<CoreNetwork*>(e->network());
603 Cipher *c = net->cipher(e->target());
604 if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?)
607 if (e->exchangeType() == KeyEvent::Init) {
608 QByteArray pubKey = c->parseInitKeyX(e->key());
609 if (pubKey.isEmpty()) {
610 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()));
613 net->setCipherKey(e->target(), c->key());
614 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()));
616 p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey;
617 net->putCmd("NOTICE", p);
620 if (c->parseFinishKeyX(e->key())) {
621 net->setCipherKey(e->target(), c->key());
622 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()));
624 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()));
632 void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e)
634 e->network()->setCurrentServer(e->prefix());
635 e->network()->setMyNick(e->target());
640 // TODO Complete 005 handling, also use sensible defaults for non-sent stuff
641 void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e)
643 if (!checkParamCount(e, 1))
647 for (int i = 0; i < e->params().count() - 1; i++) {
648 QString key = e->params()[i].section("=", 0, 0);
649 QString value = e->params()[i].section("=", 1);
650 e->network()->addSupport(key, value);
653 /* determine our prefixes here to get an accurate result */
654 e->network()->determinePrefixes();
658 /* RPL_UMODEIS - "<user_modes> [<user_mode_params>]" */
659 void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *)
661 // TODO: save information in network object
665 /* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */
666 void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *)
668 // TODO: save information in network object
672 /* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */
673 void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *)
675 // TODO: save information in network object
679 /* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */
680 void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *)
682 // TODO: save information in network object
688 Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message.
690 "<nick> :<away message>"
692 Replies 352 and 315 paired are used to answer a WHO message.
695 Replies 314 and 369 are responses to a WHOWAS message.
699 /* RPL_AWAY - "<nick> :<away message>" */
700 void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e)
702 if (!checkParamCount(e, 2))
705 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
707 ircuser->setAway(true);
708 ircuser->setAwayMessage(e->params().at(1));
709 //ircuser->setLastAwayMessage(now);
714 /* RPL_UNAWAY - ":You are no longer marked as being away" */
715 void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e)
717 IrcUser *me = e->network()->me();
721 if (e->network()->autoAwayActive()) {
722 e->network()->setAutoAwayActive(false);
723 e->setFlag(EventManager::Silent);
728 /* RPL_NOWAWAY - ":You have been marked as being away" */
729 void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e)
731 IrcUser *me = e->network()->me();
737 /* RPL_WHOISSERVICE - "<user> is registered nick" */
738 void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e)
740 if (!checkParamCount(e, 1))
743 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
745 ircuser->setWhoisServiceReply(e->params().join(" "));
749 /* RPL_SUSERHOST - "<user> is available for help." */
750 void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e)
752 if (!checkParamCount(e, 1))
755 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
757 ircuser->setSuserHost(e->params().join(" "));
761 /* RPL_WHOISUSER - "<nick> <user> <host> * :<real name>" */
762 void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e)
764 if (!checkParamCount(e, 3))
767 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
769 ircuser->setUser(e->params().at(1));
770 ircuser->setHost(e->params().at(2));
771 ircuser->setRealName(e->params().last());
776 /* RPL_WHOISSERVER - "<nick> <server> :<server info>" */
777 void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e)
779 if (!checkParamCount(e, 2))
782 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
784 ircuser->setServer(e->params().at(1));
788 /* RPL_WHOISOPERATOR - "<nick> :is an IRC operator" */
789 void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e)
791 if (!checkParamCount(e, 1))
794 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
796 ircuser->setIrcOperator(e->params().last());
800 /* RPL_ENDOFWHO: "<name> :End of WHO list" */
801 void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e)
803 if (!checkParamCount(e, 1))
806 if (coreNetwork(e)->setAutoWhoDone(e->params()[0]))
807 e->setFlag(EventManager::Silent);
811 /* RPL_WHOISIDLE - "<nick> <integer> :seconds idle"
812 (real life: "<nick> <integer> <integer> :seconds idle, signon time) */
813 void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e)
815 if (!checkParamCount(e, 2))
820 int idleSecs = e->params()[1].toInt();
821 if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation
822 int logintime = e->params()[2].toInt();
823 loginTime = QDateTime::fromTime_t(logintime);
826 IrcUser *ircuser = e->network()->ircUser(e->params()[0]);
828 ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs));
829 if (loginTime.isValid())
830 ircuser->setLoginTime(loginTime);
835 /* RPL_LIST - "<channel> <# visible> :<topic>" */
836 void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e)
838 if (!checkParamCount(e, 1))
842 quint32 userCount = 0;
845 switch (e->params().count()) {
847 topic = e->params()[2];
849 userCount = e->params()[1].toUInt();
851 channelName = e->params()[0];
855 if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic))
856 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
860 /* RPL_LISTEND ":End of LIST" */
861 void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e)
863 if (!checkParamCount(e, 1))
866 if (coreSession()->ircListHelper()->endOfChannelList(e->networkId()))
867 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
871 /* RPL_CHANNELMODEIS - "<channel> <mode> <mode params>" */
872 void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e)
874 processIrcEventMode(e);
879 void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e)
881 if (!checkParamCount(e, 1))
884 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
886 chan->setTopic(QString());
891 void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e)
893 if (!checkParamCount(e, 2))
896 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
898 chan->setTopic(e->params()[1]);
902 /* RPL_WHOREPLY: "<channel> <user> <host> <server> <nick>
903 ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] :<hopcount> <real name>" */
904 void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e)
906 if (!checkParamCount(e, 6))
909 QString channel = e->params()[0];
910 IrcUser *ircuser = e->network()->ircUser(e->params()[4]);
912 ircuser->setUser(e->params()[1]);
913 ircuser->setHost(e->params()[2]);
915 bool away = e->params()[5].contains("G", Qt::CaseInsensitive);
916 ircuser->setAway(away);
917 ircuser->setServer(e->params()[3]);
918 ircuser->setRealName(e->params().last().section(" ", 1));
920 if (coreNetwork(e)->capEnabled(IrcCap::MULTI_PREFIX)) {
921 // If multi-prefix is enabled, all modes will be sent in WHO replies.
922 // :kenny.chatspike.net 352 guest #test grawity broken.symlink *.chatspike.net grawity H@%+ :0 Mantas M.
923 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
924 QString uncheckedModes = e->params()[5];
925 QString validModes = QString();
926 while (!uncheckedModes.isEmpty()) {
927 // Mode found in 1 left-most character, add it to the list
928 if (e->network()->prefixes().contains(uncheckedModes[0])) {
929 validModes.append(e->network()->prefixToMode(uncheckedModes[0]));
931 // Remove this mode from the list of unchecked modes
932 uncheckedModes = uncheckedModes.remove(0, 1);
935 // Some IRC servers decide to not follow the spec, returning only -some- of the user
936 // modes in WHO despite listing them all in NAMES. For now, assume it can only add
937 // and not take away. *sigh*
938 if (!validModes.isEmpty()) {
939 if (channel != "*") {
940 // Channel-specific modes received, apply to given channel only
941 IrcChannel *ircChan = e->network()->ircChannel(channel);
943 // Do one mode at a time
944 // TODO Better way of syncing this without breaking protocol?
945 for (int i = 0; i < validModes.count(); ++i) {
946 ircChan->addUserMode(ircuser, validModes.at(i));
950 // Modes apply to the user everywhere
951 ircuser->addUserModes(validModes);
957 // Check if channel name has a who in progress.
958 // If not, then check if user nick exists and has a who in progress.
959 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
960 (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
961 e->setFlag(EventManager::Silent);
967 void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e)
969 if (!checkParamCount(e, 3))
972 // param[0] is either "=", "*" or "@" indicating a public, private or secret channel
973 // we don't use this information at the time beeing
974 QString channelname = e->params()[1];
976 IrcChannel *channel = e->network()->ircChannel(channelname);
978 qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname;
985 // Cache result of multi-prefix to avoid unneeded casts and lookups with each iteration.
986 bool _useCapMultiPrefix = coreNetwork(e)->capEnabled(IrcCap::MULTI_PREFIX);
988 foreach(QString nick, e->params()[2].split(' ', QString::SkipEmptyParts)) {
991 if (_useCapMultiPrefix) {
992 // If multi-prefix is enabled, all modes will be sent in NAMES replies.
993 // :hades.arpa 353 guest = #tethys :~&@%+aji &@Attila @+alyx +KindOne Argure
994 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
995 while (e->network()->prefixes().contains(nick[0])) {
996 // Mode found in 1 left-most character, add it to the list.
997 // Note: sending multiple modes may cause a warning in older clients.
998 // In testing, the clients still seemed to function fine.
999 mode.append(e->network()->prefixToMode(nick[0]));
1000 // Remove this mode from the nick
1001 nick = nick.remove(0, 1);
1003 } else if (e->network()->prefixes().contains(nick[0])) {
1004 // Multi-prefix is disabled and a mode prefix was found.
1005 mode = e->network()->prefixToMode(nick[0]);
1009 // If userhost-in-names capability is enabled, the following will be
1010 // in the form "nick!user@host" rather than "nick". This works without
1011 // special handling as the following use nickFromHost() as needed.
1012 // See: http://ircv3.net/specs/extensions/userhost-in-names-3.2.html
1018 channel->joinIrcUsers(nicks, modes);
1022 /* ERR_ERRONEUSNICKNAME */
1023 void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e)
1025 if (!checkParamCount(e, 1))
1029 if (e->params().count() < 2) {
1030 // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase:
1032 // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters
1033 // correct server reply:
1034 // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters
1035 e->params().prepend(e->target());
1038 errnick = e->params()[0];
1040 tryNextNick(e, errnick, true /* erroneus */);
1044 /* ERR_NICKNAMEINUSE */
1045 void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e)
1047 if (!checkParamCount(e, 1))
1050 QString errnick = e->params().first();
1052 // if there is a problem while connecting to the server -> we handle it
1053 // but only if our connection has not been finished yet...
1054 if (!e->network()->currentServer().isEmpty())
1057 tryNextNick(e, errnick);
1061 /* ERR_UNAVAILRESOURCE */
1062 void CoreSessionEventProcessor::processIrcEvent437(IrcEventNumeric *e)
1064 if (!checkParamCount(e, 1))
1067 QString errnick = e->params().first();
1069 // if there is a problem while connecting to the server -> we handle it
1070 // but only if our connection has not been finished yet...
1071 if (!e->network()->currentServer().isEmpty())
1074 if (!e->network()->isChannelName(errnick))
1075 tryNextNick(e, errnick);
1080 void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) {
1081 if(!checkParamCount(e, 1))
1087 /* Handle signals from Netsplit objects */
1089 void CoreSessionEventProcessor::handleNetsplitJoin(Network *net,
1090 const QString &channel,
1091 const QStringList &users,
1092 const QStringList &modes,
1093 const QString &quitMessage)
1095 IrcChannel *ircChannel = net->ircChannel(channel);
1099 QList<IrcUser *> ircUsers;
1100 QStringList newModes = modes;
1101 QStringList newUsers = users;
1103 foreach(const QString &user, users) {
1104 IrcUser *iu = net->ircUser(nickFromMask(user));
1106 ircUsers.append(iu);
1107 else { // the user already quit
1108 int idx = users.indexOf(user);
1109 newUsers.removeAt(idx);
1110 newModes.removeAt(idx);
1114 ircChannel->joinIrcUsers(ircUsers, newModes);
1115 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage);
1116 emit newEvent(event);
1120 void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage)
1122 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage);
1123 emit newEvent(event);
1124 foreach(QString user, users) {
1125 IrcUser *iu = net->ircUser(nickFromMask(user));
1132 void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes)
1134 IrcChannel *ircChannel = net->ircChannel(channel);
1136 qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid";
1139 QList<NetworkEvent *> events;
1140 QList<IrcUser *> ircUsers;
1141 QStringList newModes = modes;
1143 foreach(QString user, users) {
1144 IrcUser *iu = net->updateNickFromMask(user);
1146 ircUsers.append(iu);
1147 // fake event for scripts that consume join events
1148 events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel);
1151 newModes.removeAt(users.indexOf(user));
1154 ircChannel->joinIrcUsers(ircUsers, newModes);
1155 foreach(NetworkEvent *event, events) {
1156 event->setFlag(EventManager::Fake); // ignore this in here!
1157 emit newEvent(event);
1162 void CoreSessionEventProcessor::handleNetsplitFinished()
1164 Netsplit *n = qobject_cast<Netsplit *>(sender());
1166 QHash<QString, Netsplit *> splithash = _netsplits.take(n->network());
1167 splithash.remove(splithash.key(n));
1168 if (splithash.count())
1169 _netsplits[n->network()] = splithash;
1174 void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId)
1176 Network *net = coreSession()->network(netId);
1180 QHash<QString, Netsplit *> splits = _netsplits.take(net);
1185 /*******************************/
1186 /******** CTCP HANDLING ********/
1187 /*******************************/
1189 void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e)
1191 if (e->testFlag(EventManager::Self))
1192 return; // ignore ctcp events generated by user input
1194 if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query)
1197 handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e));
1201 void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e)
1203 // This handler is only there to avoid warnings for unknown CTCPs
1209 void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e)
1211 // This handler is only there to feed CLIENTINFO
1216 void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e)
1218 QStringList supportedHandlers;
1219 foreach(QString handler, providesHandlers())
1220 supportedHandlers << handler.toUpper();
1221 qSort(supportedHandlers);
1222 e->setReply(supportedHandlers.join(" "));
1226 // http://www.irchelp.org/irchelp/rfc/ctcpspec.html
1227 // http://en.wikipedia.org/wiki/Direct_Client-to-Client
1228 void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e)
1230 // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in
1231 if (!Quassel::isOptionSet("enable-experimental-dcc")) {
1232 quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
1236 // normal: SEND <filename> <ip> <port> [<filesize>]
1237 // reverse: SEND <filename> <ip> 0 <filesize> <token>
1238 QStringList params = e->param().split(' ');
1239 if (params.count()) {
1240 QString cmd = params[0].toUpper();
1241 if (cmd == "SEND") {
1242 if (params.count() < 4) {
1243 qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client
1246 QString filename = params[1];
1247 QHostAddress address;
1248 quint16 port = params[3].toUShort();
1250 QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon)
1251 if (numIp.contains(':')) { // IPv6
1252 if (!address.setAddress(numIp)) {
1253 qWarning() << "Invalid IPv6:" << numIp;
1258 address.setAddress(numIp.toUInt());
1261 if (port == 0) { // Reverse DCC is indicated by a 0 port
1262 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp()));
1266 qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok
1270 if (params.count() > 4) { // filesize is optional
1271 size = params[4].toULong();
1274 // TODO: check if target is the right thing to use for the partner
1275 CoreTransfer *transfer = new CoreTransfer(Transfer::Direction::Receive, e->target(), filename, address, port, size, this);
1276 coreSession()->signalProxy()->synchronize(transfer);
1277 coreSession()->transferManager()->addTransfer(transfer);
1280 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp()));
1287 void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e)
1289 e->setReply(e->param().isNull() ? "" : e->param());
1293 void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e)
1295 e->setReply(QDateTime::currentDateTime().toString());
1299 void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
1301 e->setReply(QString("Quassel IRC %1 (built on %2) -- http://www.quassel-irc.org")
1302 .arg(Quassel::buildInfo().plainVersionString).arg(Quassel::buildInfo().commitDate));