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 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
246 // As '*' is used internally to represent logged-out, no need to handle that differently.
247 ircuser->setAccount(e->params().at(0));
249 qDebug() << "Received account-notify data for unknown user" << e->prefix();
253 /* IRCv3 away-notify - ":nick!user@host AWAY [:message]" */
254 void CoreSessionEventProcessor::processIrcEventAway(IrcEvent *e)
256 if (!checkParamCount(e, 2))
259 // Nick is sent as part of parameters in order to split user/server decoding
260 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
262 if (!e->params().at(1).isEmpty()) {
263 ircuser->setAway(true);
264 ircuser->setAwayMessage(e->params().at(1));
266 ircuser->setAway(false);
269 qDebug() << "Received away-notify data for unknown user" << e->params().at(0);
273 /* IRCv3 chghost - ":nick!user@host CHGHOST newuser new.host.goes.here" */
274 void CoreSessionEventProcessor::processIrcEventChghost(IrcEvent *e)
276 if (!checkParamCount(e, 2))
279 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
281 // Update with new user/hostname information. setUser/setHost handles checking what
283 ircuser->setUser(e->params().at(0));
284 ircuser->setHost(e->params().at(1));
286 qDebug() << "Received chghost data for unknown user" << e->prefix();
290 void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e)
292 if (checkParamCount(e, 2)) {
293 e->network()->updateNickFromMask(e->prefix());
297 /* JOIN: ":<nick!user@host> JOIN <channel>" */
298 void CoreSessionEventProcessor::processIrcEventJoin(IrcEvent *e)
300 if (e->testFlag(EventManager::Fake)) // generated by handleEarlyNetsplitJoin
303 if (!checkParamCount(e, 1))
306 CoreNetwork *net = coreNetwork(e);
307 QString channel = e->params()[0];
308 IrcUser *ircuser = net->updateNickFromMask(e->prefix());
310 if (net->capEnabled(IrcCap::EXTENDED_JOIN)) {
311 if (e->params().count() < 3) {
312 // Some IRC servers don't send extended-join events in all situations. Rather than
313 // ignore the join entirely, treat it as a regular join with a debug-level log entry.
314 // See: https://github.com/inspircd/inspircd/issues/821
315 qDebug() << "extended-join requires 3 params, got:" << e->params() << ", handling as a "
318 // If logged in, :nick!user@host JOIN #channelname accountname :Real Name
319 // If logged out, :nick!user@host JOIN #channelname * :Real Name
320 // See: http://ircv3.net/specs/extensions/extended-join-3.1.html
321 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
322 // As '*' is used internally to represent logged-out, no need to handle that differently.
323 ircuser->setAccount(e->params()[1]);
324 // Update the user's real name, too
325 ircuser->setRealName(e->params()[2]);
328 // Else :nick!user@host JOIN #channelname
330 bool handledByNetsplit = false;
331 foreach(Netsplit* n, _netsplits.value(e->network())) {
332 handledByNetsplit = n->userJoined(e->prefix(), channel);
333 if (handledByNetsplit)
337 // If using away-notify, check new users. Works around buggy IRC servers
338 // forgetting to send :away messages for users who join channels when away.
339 if (net->capEnabled(IrcCap::AWAY_NOTIFY)) {
340 net->queueAutoWhoOneshot(ircuser->nick());
343 if (!handledByNetsplit)
344 ircuser->joinChannel(channel);
346 e->setFlag(EventManager::Netsplit);
348 if (net->isMe(ircuser)) {
349 net->setChannelJoined(channel);
351 net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely
356 void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e)
358 if (checkParamCount(e, 2)) {
359 e->network()->updateNickFromMask(e->prefix());
360 IrcUser *victim = e->network()->ircUser(e->params().at(1));
362 victim->partChannel(e->params().at(0));
363 //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel);
369 void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e)
371 if (!checkParamCount(e, 2))
374 if (e->network()->isChannelName(e->params().first())) {
377 IrcChannel *channel = e->network()->ircChannel(e->params()[0]);
379 // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that
380 // anyways: we don't have a place to store the data --> discard the info.
384 QString modes = e->params()[1];
387 for (int c = 0; c < modes.length(); c++) {
388 if (modes[c] == '+') {
392 if (modes[c] == '-') {
397 if (e->network()->prefixModes().contains(modes[c])) {
398 // user channel modes (op, voice, etc...)
399 if (paramOffset < e->params().count()) {
400 IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]);
402 qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset];
406 bool handledByNetsplit = false;
407 QHash<QString, Netsplit *> splits = _netsplits.value(e->network());
408 foreach(Netsplit* n, _netsplits.value(e->network())) {
409 handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name());
410 if (handledByNetsplit) {
411 n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c]));
415 if (!handledByNetsplit)
416 channel->addUserMode(ircUser, QString(modes[c]));
419 channel->removeUserMode(ircUser, QString(modes[c]));
423 qWarning() << "Received MODE with too few parameters:" << e->params();
428 // regular channel modes
430 Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]);
431 if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) {
432 if (paramOffset < e->params().count()) {
433 value = e->params()[paramOffset];
436 qWarning() << "Received MODE with too few parameters:" << e->params();
442 channel->addChannelMode(modes[c], value);
444 channel->removeChannelMode(modes[c], value);
450 IrcUser *ircUser = e->network()->newIrcUser(e->params().first());
451 QString modeString(e->params()[1]);
455 for (int c = 0; c < modeString.count(); c++) {
456 if (modeString[c] == '+') {
460 if (modeString[c] == '-') {
465 addModes += modeString[c];
467 removeModes += modeString[c];
469 if (!addModes.isEmpty())
470 ircUser->addUserModes(addModes);
471 if (!removeModes.isEmpty())
472 ircUser->removeUserModes(removeModes);
474 if (e->network()->isMe(ircUser)) {
475 coreNetwork(e)->updatePersistentModes(addModes, removeModes);
481 void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e)
483 if (checkParamCount(e, 1)) {
484 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
486 qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
489 QString newnick = e->params().at(0);
490 QString oldnick = ircuser->nick();
492 // the order is cruicial
493 // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore
494 // and remove the ircuser from the querybuffer leading to a wrong on/offline state
495 ircuser->setNick(newnick);
496 coreSession()->renameBuffer(e->networkId(), newnick, oldnick);
501 void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e)
503 if (checkParamCount(e, 1)) {
504 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
506 qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
509 QString channel = e->params().at(0);
510 ircuser->partChannel(channel);
511 if (e->network()->isMe(ircuser))
512 qobject_cast<CoreNetwork *>(e->network())->setChannelParted(channel);
517 void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e)
519 QString param = e->params().count() ? e->params().first() : QString();
521 // Take priority so this won't get stuck behind other queued messages.
522 coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param), true);
526 void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e)
528 // the server is supposed to send back what we passed as param. and we send a timestamp
529 // but using quote and whatnought one can send arbitrary pings, so we have to do some sanity checks
530 if (checkParamCount(e, 2)) {
531 QString timestamp = e->params().at(1);
532 QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz");
533 if (sendTime.isValid())
534 e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2);
539 void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e)
541 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
546 if (e->params().count() > 0)
547 msg = e->params()[0];
550 if (Netsplit::isNetsplit(msg)) {
552 if (!_netsplits[e->network()].contains(msg)) {
553 n = new Netsplit(e->network(), this);
554 connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished()));
555 connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)),
556 this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString)));
557 connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)),
558 this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString)));
559 connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)),
560 this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList)));
561 _netsplits[e->network()].insert(msg, n);
564 n = _netsplits[e->network()][msg];
566 // add this user to the netsplit
567 n->userQuit(e->prefix(), ircuser->channels(), msg);
568 e->setFlag(EventManager::Netsplit);
570 // normal quit is handled in lateProcessIrcEventQuit()
574 void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e)
576 if (e->testFlag(EventManager::Netsplit))
579 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
587 void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e)
589 if (checkParamCount(e, 2)) {
590 e->network()->updateNickFromMask(e->prefix());
591 IrcChannel *channel = e->network()->ircChannel(e->params().at(0));
593 channel->setTopic(e->params().at(1));
599 void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e)
601 if (!Cipher::neededFeaturesAvailable()) {
602 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()));
605 CoreNetwork *net = qobject_cast<CoreNetwork*>(e->network());
606 Cipher *c = net->cipher(e->target());
607 if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?)
610 if (e->exchangeType() == KeyEvent::Init) {
611 QByteArray pubKey = c->parseInitKeyX(e->key());
612 if (pubKey.isEmpty()) {
613 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()));
616 net->setCipherKey(e->target(), c->key());
617 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()));
619 p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey;
620 net->putCmd("NOTICE", p);
623 if (c->parseFinishKeyX(e->key())) {
624 net->setCipherKey(e->target(), c->key());
625 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()));
627 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()));
635 void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e)
637 e->network()->setCurrentServer(e->prefix());
638 e->network()->setMyNick(e->target());
643 // TODO Complete 005 handling, also use sensible defaults for non-sent stuff
644 void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e)
646 if (!checkParamCount(e, 1))
650 for (int i = 0; i < e->params().count() - 1; i++) {
651 QString key = e->params()[i].section("=", 0, 0);
652 QString value = e->params()[i].section("=", 1);
653 e->network()->addSupport(key, value);
656 /* determine our prefixes here to get an accurate result */
657 e->network()->determinePrefixes();
661 /* RPL_UMODEIS - "<user_modes> [<user_mode_params>]" */
662 void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *)
664 // TODO: save information in network object
668 /* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */
669 void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *)
671 // TODO: save information in network object
675 /* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */
676 void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *)
678 // TODO: save information in network object
682 /* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */
683 void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *)
685 // TODO: save information in network object
691 Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message.
693 "<nick> :<away message>"
695 Replies 352 and 315 paired are used to answer a WHO message.
698 Replies 314 and 369 are responses to a WHOWAS message.
702 /* RPL_AWAY - "<nick> :<away message>" */
703 void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e)
705 if (!checkParamCount(e, 2))
708 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
710 ircuser->setAway(true);
711 ircuser->setAwayMessage(e->params().at(1));
712 //ircuser->setLastAwayMessage(now);
717 /* RPL_UNAWAY - ":You are no longer marked as being away" */
718 void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e)
720 IrcUser *me = e->network()->me();
724 if (e->network()->autoAwayActive()) {
725 e->network()->setAutoAwayActive(false);
726 e->setFlag(EventManager::Silent);
731 /* RPL_NOWAWAY - ":You have been marked as being away" */
732 void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e)
734 IrcUser *me = e->network()->me();
740 /* RPL_WHOISSERVICE - "<user> is registered nick" */
741 void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e)
743 if (!checkParamCount(e, 1))
746 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
748 ircuser->setWhoisServiceReply(e->params().join(" "));
752 /* RPL_SUSERHOST - "<user> is available for help." */
753 void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e)
755 if (!checkParamCount(e, 1))
758 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
760 ircuser->setSuserHost(e->params().join(" "));
764 /* RPL_WHOISUSER - "<nick> <user> <host> * :<real name>" */
765 void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e)
767 if (!checkParamCount(e, 3))
770 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
772 ircuser->setUser(e->params().at(1));
773 ircuser->setHost(e->params().at(2));
774 ircuser->setRealName(e->params().last());
779 /* RPL_WHOISSERVER - "<nick> <server> :<server info>" */
780 void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e)
782 if (!checkParamCount(e, 2))
785 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
787 ircuser->setServer(e->params().at(1));
791 /* RPL_WHOISOPERATOR - "<nick> :is an IRC operator" */
792 void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e)
794 if (!checkParamCount(e, 1))
797 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
799 ircuser->setIrcOperator(e->params().last());
803 /* RPL_ENDOFWHO: "<name> :End of WHO list" */
804 void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e)
806 if (!checkParamCount(e, 1))
809 if (coreNetwork(e)->setAutoWhoDone(e->params()[0]))
810 e->setFlag(EventManager::Silent);
814 /* RPL_WHOISIDLE - "<nick> <integer> :seconds idle"
815 (real life: "<nick> <integer> <integer> :seconds idle, signon time) */
816 void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e)
818 if (!checkParamCount(e, 2))
823 int idleSecs = e->params()[1].toInt();
824 if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation
825 int logintime = e->params()[2].toInt();
826 loginTime = QDateTime::fromTime_t(logintime);
829 IrcUser *ircuser = e->network()->ircUser(e->params()[0]);
831 ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs));
832 if (loginTime.isValid())
833 ircuser->setLoginTime(loginTime);
838 /* RPL_LIST - "<channel> <# visible> :<topic>" */
839 void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e)
841 if (!checkParamCount(e, 1))
845 quint32 userCount = 0;
848 switch (e->params().count()) {
850 topic = e->params()[2];
852 userCount = e->params()[1].toUInt();
854 channelName = e->params()[0];
858 if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic))
859 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
863 /* RPL_LISTEND ":End of LIST" */
864 void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e)
866 if (!checkParamCount(e, 1))
869 if (coreSession()->ircListHelper()->endOfChannelList(e->networkId()))
870 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
874 /* RPL_CHANNELMODEIS - "<channel> <mode> <mode params>" */
875 void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e)
877 processIrcEventMode(e);
881 /* RPL_WHOISACCOUNT - "<nick> <account> :is authed as" */
882 void CoreSessionEventProcessor::processIrcEvent330(IrcEvent *e)
884 if (!checkParamCount(e, 3))
887 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
889 ircuser->setAccount(e->params().at(1));
895 void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e)
897 if (!checkParamCount(e, 1))
900 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
902 chan->setTopic(QString());
907 void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e)
909 if (!checkParamCount(e, 2))
912 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
914 chan->setTopic(e->params()[1]);
918 /* RPL_WHOREPLY: "<channel> <user> <host> <server> <nick>
919 ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] :<hopcount> <real name>" */
920 void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e)
922 if (!checkParamCount(e, 6))
925 QString channel = e->params()[0];
926 IrcUser *ircuser = e->network()->ircUser(e->params()[4]);
928 processWhoInformation(e->network(), channel, ircuser, e->params()[3], e->params()[1],
929 e->params()[2], e->params()[5], e->params().last().section(" ", 1));
932 // Check if channel name has a who in progress.
933 // If not, then check if user nick exists and has a who in progress.
934 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
935 (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
936 e->setFlag(EventManager::Silent);
942 void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e)
944 if (!checkParamCount(e, 3))
947 // param[0] is either "=", "*" or "@" indicating a public, private or secret channel
948 // we don't use this information at the time beeing
949 QString channelname = e->params()[1];
951 IrcChannel *channel = e->network()->ircChannel(channelname);
953 qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname;
960 // Cache result of multi-prefix to avoid unneeded casts and lookups with each iteration.
961 bool _useCapMultiPrefix = coreNetwork(e)->capEnabled(IrcCap::MULTI_PREFIX);
963 foreach(QString nick, e->params()[2].split(' ', QString::SkipEmptyParts)) {
966 if (_useCapMultiPrefix) {
967 // If multi-prefix is enabled, all modes will be sent in NAMES replies.
968 // :hades.arpa 353 guest = #tethys :~&@%+aji &@Attila @+alyx +KindOne Argure
969 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
970 while (e->network()->prefixes().contains(nick[0])) {
971 // Mode found in 1 left-most character, add it to the list.
972 // Note: sending multiple modes may cause a warning in older clients.
973 // In testing, the clients still seemed to function fine.
974 mode.append(e->network()->prefixToMode(nick[0]));
975 // Remove this mode from the nick
976 nick = nick.remove(0, 1);
978 } else if (e->network()->prefixes().contains(nick[0])) {
979 // Multi-prefix is disabled and a mode prefix was found.
980 mode = e->network()->prefixToMode(nick[0]);
984 // If userhost-in-names capability is enabled, the following will be
985 // in the form "nick!user@host" rather than "nick". This works without
986 // special handling as the following use nickFromHost() as needed.
987 // See: http://ircv3.net/specs/extensions/userhost-in-names-3.2.html
993 channel->joinIrcUsers(nicks, modes);
997 /* RPL_WHOSPCRPL: "<yournick> 152 #<channel> ~<ident> <host> <servname> <nick>
998 ("H"/ "G") <account> :<realname>"
999 <channel> is * if not specific to any channel
1000 <account> is * if not logged in
1001 Follows HexChat's usage of 'whox'
1002 See https://github.com/hexchat/hexchat/blob/c874a9525c9b66f1d5ddcf6c4107d046eba7e2c5/src/common/proto-irc.c#L750
1003 And http://faerion.sourceforge.net/doc/irc/whox.var*/
1004 void CoreSessionEventProcessor::processIrcEvent354(IrcEvent *e)
1006 // First only check if at least one parameter exists. Otherwise, it'll stop the result from
1007 // being shown if the user chooses different parameters.
1008 if (!checkParamCount(e, 1))
1011 if (e->params()[0].toUInt() != IrcCap::ACCOUNT_NOTIFY_WHOX_NUM) {
1012 // Ignore WHOX replies without expected number for we have no idea what fields are specified
1016 // Now we're fairly certain this is supposed to be an automated WHOX. Bail out if it doesn't
1017 // match what we require - 9 parameters.
1018 if (!checkParamCount(e, 9))
1021 QString channel = e->params()[1];
1022 IrcUser *ircuser = e->network()->ircUser(e->params()[5]);
1024 processWhoInformation(e->network(), channel, ircuser, e->params()[4], e->params()[2],
1025 e->params()[3], e->params()[6], e->params().last());
1026 // Don't use .section(" ", 1) with WHOX replies, for there's no hopcount to trim out
1028 // As part of IRCv3 account-notify, check account name
1029 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
1030 QString newAccount = e->params()[7];
1031 if (newAccount != "0") {
1032 // Account logged in, set account name
1033 ircuser->setAccount(newAccount);
1035 // Account logged out, set account name to logged-out
1036 ircuser->setAccount("*");
1040 // Check if channel name has a who in progress.
1041 // If not, then check if user nick exists and has a who in progress.
1042 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
1043 (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
1044 e->setFlag(EventManager::Silent);
1049 void CoreSessionEventProcessor::processWhoInformation (Network *net, const QString &targetChannel, IrcUser *ircUser,
1050 const QString &server, const QString &user, const QString &host,
1051 const QString &awayStateAndModes, const QString &realname)
1053 ircUser->setUser(user);
1054 ircUser->setHost(host);
1055 ircUser->setServer(server);
1056 ircUser->setRealName(realname);
1058 bool away = awayStateAndModes.contains("G", Qt::CaseInsensitive);
1059 ircUser->setAway(away);
1061 if (net->capEnabled(IrcCap::MULTI_PREFIX)) {
1062 // If multi-prefix is enabled, all modes will be sent in WHO replies.
1063 // :kenny.chatspike.net 352 guest #test grawity broken.symlink *.chatspike.net grawity H@%+ :0 Mantas M.
1064 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
1065 QString uncheckedModes = awayStateAndModes;
1066 QString validModes = QString();
1067 while (!uncheckedModes.isEmpty()) {
1068 // Mode found in 1 left-most character, add it to the list
1069 if (net->prefixes().contains(uncheckedModes[0])) {
1070 validModes.append(net->prefixToMode(uncheckedModes[0]));
1072 // Remove this mode from the list of unchecked modes
1073 uncheckedModes = uncheckedModes.remove(0, 1);
1076 // Some IRC servers decide to not follow the spec, returning only -some- of the user
1077 // modes in WHO despite listing them all in NAMES. For now, assume it can only add
1078 // and not take away. *sigh*
1079 if (!validModes.isEmpty()) {
1080 if (targetChannel != "*") {
1081 // Channel-specific modes received, apply to given channel only
1082 IrcChannel *ircChan = net->ircChannel(targetChannel);
1084 // Do one mode at a time
1085 // TODO Better way of syncing this without breaking protocol?
1086 for (int i = 0; i < validModes.count(); ++i) {
1087 ircChan->addUserMode(ircUser, validModes.at(i));
1091 // Modes apply to the user everywhere
1092 ircUser->addUserModes(validModes);
1099 /* ERR_NOSUCHCHANNEL - "<channel name> :No such channel" */
1100 void CoreSessionEventProcessor::processIrcEvent403(IrcEventNumeric *e)
1102 // If this is the result of an AutoWho, hide it. It's confusing to show to the user.
1103 if (!checkParamCount(e, 2))
1106 QString channelOrNick = e->params()[0];
1107 // Check if channel name has a who in progress.
1108 // If not, then check if user nick exists and has a who in progress.
1109 if (coreNetwork(e)->isAutoWhoInProgress(channelOrNick)) {
1110 qDebug() << "Channel/nick" << channelOrNick << "no longer exists during AutoWho, ignoring";
1111 e->setFlag(EventManager::Silent);
1115 /* ERR_ERRONEUSNICKNAME */
1116 void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e)
1118 if (!checkParamCount(e, 1))
1122 if (e->params().count() < 2) {
1123 // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase:
1125 // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters
1126 // correct server reply:
1127 // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters
1128 e->params().prepend(e->target());
1131 errnick = e->params()[0];
1133 tryNextNick(e, errnick, true /* erroneus */);
1137 /* ERR_NICKNAMEINUSE */
1138 void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e)
1140 if (!checkParamCount(e, 1))
1143 QString errnick = e->params().first();
1145 // if there is a problem while connecting to the server -> we handle it
1146 // but only if our connection has not been finished yet...
1147 if (!e->network()->currentServer().isEmpty())
1150 tryNextNick(e, errnick);
1154 /* ERR_UNAVAILRESOURCE */
1155 void CoreSessionEventProcessor::processIrcEvent437(IrcEventNumeric *e)
1157 if (!checkParamCount(e, 1))
1160 QString errnick = e->params().first();
1162 // if there is a problem while connecting to the server -> we handle it
1163 // but only if our connection has not been finished yet...
1164 if (!e->network()->currentServer().isEmpty())
1167 if (!e->network()->isChannelName(errnick))
1168 tryNextNick(e, errnick);
1173 void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) {
1174 if(!checkParamCount(e, 1))
1180 /* Handle signals from Netsplit objects */
1182 void CoreSessionEventProcessor::handleNetsplitJoin(Network *net,
1183 const QString &channel,
1184 const QStringList &users,
1185 const QStringList &modes,
1186 const QString &quitMessage)
1188 IrcChannel *ircChannel = net->ircChannel(channel);
1192 QList<IrcUser *> ircUsers;
1193 QStringList newModes = modes;
1194 QStringList newUsers = users;
1196 foreach(const QString &user, users) {
1197 IrcUser *iu = net->ircUser(nickFromMask(user));
1199 ircUsers.append(iu);
1200 else { // the user already quit
1201 int idx = users.indexOf(user);
1202 newUsers.removeAt(idx);
1203 newModes.removeAt(idx);
1207 ircChannel->joinIrcUsers(ircUsers, newModes);
1208 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage);
1209 emit newEvent(event);
1213 void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage)
1215 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage);
1216 emit newEvent(event);
1217 foreach(QString user, users) {
1218 IrcUser *iu = net->ircUser(nickFromMask(user));
1225 void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes)
1227 IrcChannel *ircChannel = net->ircChannel(channel);
1229 qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid";
1232 QList<NetworkEvent *> events;
1233 QList<IrcUser *> ircUsers;
1234 QStringList newModes = modes;
1236 foreach(QString user, users) {
1237 IrcUser *iu = net->updateNickFromMask(user);
1239 ircUsers.append(iu);
1240 // fake event for scripts that consume join events
1241 events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel);
1244 newModes.removeAt(users.indexOf(user));
1247 ircChannel->joinIrcUsers(ircUsers, newModes);
1248 foreach(NetworkEvent *event, events) {
1249 event->setFlag(EventManager::Fake); // ignore this in here!
1250 emit newEvent(event);
1255 void CoreSessionEventProcessor::handleNetsplitFinished()
1257 Netsplit *n = qobject_cast<Netsplit *>(sender());
1259 QHash<QString, Netsplit *> splithash = _netsplits.take(n->network());
1260 splithash.remove(splithash.key(n));
1261 if (splithash.count())
1262 _netsplits[n->network()] = splithash;
1267 void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId)
1269 Network *net = coreSession()->network(netId);
1273 QHash<QString, Netsplit *> splits = _netsplits.take(net);
1278 /*******************************/
1279 /******** CTCP HANDLING ********/
1280 /*******************************/
1282 void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e)
1284 if (e->testFlag(EventManager::Self))
1285 return; // ignore ctcp events generated by user input
1287 if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query)
1290 handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e));
1294 void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e)
1296 // This handler is only there to avoid warnings for unknown CTCPs
1302 void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e)
1304 // This handler is only there to feed CLIENTINFO
1309 void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e)
1311 QStringList supportedHandlers;
1312 foreach(QString handler, providesHandlers())
1313 supportedHandlers << handler.toUpper();
1314 qSort(supportedHandlers);
1315 e->setReply(supportedHandlers.join(" "));
1319 // http://www.irchelp.org/irchelp/rfc/ctcpspec.html
1320 // http://en.wikipedia.org/wiki/Direct_Client-to-Client
1321 void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e)
1323 // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in
1324 if (!Quassel::isOptionSet("enable-experimental-dcc")) {
1325 quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
1329 // normal: SEND <filename> <ip> <port> [<filesize>]
1330 // reverse: SEND <filename> <ip> 0 <filesize> <token>
1331 QStringList params = e->param().split(' ');
1332 if (params.count()) {
1333 QString cmd = params[0].toUpper();
1334 if (cmd == "SEND") {
1335 if (params.count() < 4) {
1336 qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client
1339 QString filename = params[1];
1340 QHostAddress address;
1341 quint16 port = params[3].toUShort();
1343 QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon)
1344 if (numIp.contains(':')) { // IPv6
1345 if (!address.setAddress(numIp)) {
1346 qWarning() << "Invalid IPv6:" << numIp;
1351 address.setAddress(numIp.toUInt());
1354 if (port == 0) { // Reverse DCC is indicated by a 0 port
1355 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp()));
1359 qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok
1363 if (params.count() > 4) { // filesize is optional
1364 size = params[4].toULong();
1367 // TODO: check if target is the right thing to use for the partner
1368 CoreTransfer *transfer = new CoreTransfer(Transfer::Direction::Receive, e->target(), filename, address, port, size, this);
1369 coreSession()->signalProxy()->synchronize(transfer);
1370 coreSession()->transferManager()->addTransfer(transfer);
1373 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp()));
1380 void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e)
1382 e->setReply(e->param().isNull() ? "" : e->param());
1386 void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e)
1388 e->setReply(QDateTime::currentDateTime().toString());
1392 void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
1394 e->setReply(QString("Quassel IRC %1 (built on %2) -- http://www.quassel-irc.org")
1395 .arg(Quassel::buildInfo().plainVersionString).arg(Quassel::buildInfo().commitDate));