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 void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e)
282 if (checkParamCount(e, 2)) {
283 e->network()->updateNickFromMask(e->prefix());
288 void CoreSessionEventProcessor::processIrcEventJoin(IrcEvent *e)
290 if (e->testFlag(EventManager::Fake)) // generated by handleEarlyNetsplitJoin
293 if (!checkParamCount(e, 1))
296 CoreNetwork *net = coreNetwork(e);
297 QString channel = e->params()[0];
298 IrcUser *ircuser = net->updateNickFromMask(e->prefix());
300 if (net->capEnabled(IrcCap::EXTENDED_JOIN)) {
301 if (!checkParamCount(e, 3))
303 // If logged in, :nick!user@host JOIN #channelname accountname :Real Name
304 // If logged out, :nick!user@host JOIN #channelname * :Real Name
305 // See: http://ircv3.net/specs/extensions/extended-join-3.1.html
306 // FIXME Keep track of authed user account, requires adding support to ircuser.h/cpp
307 ircuser->setRealName(e->params()[2]);
309 // Else :nick!user@host JOIN #channelname
311 bool handledByNetsplit = false;
312 foreach(Netsplit* n, _netsplits.value(e->network())) {
313 handledByNetsplit = n->userJoined(e->prefix(), channel);
314 if (handledByNetsplit)
318 // If using away-notify, check new users. Works around buggy IRC servers
319 // forgetting to send :away messages for users who join channels when away.
320 if (net->capEnabled(IrcCap::AWAY_NOTIFY)) {
321 net->queueAutoWhoOneshot(ircuser->nick());
324 if (!handledByNetsplit)
325 ircuser->joinChannel(channel);
327 e->setFlag(EventManager::Netsplit);
329 if (net->isMe(ircuser)) {
330 net->setChannelJoined(channel);
332 net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely
337 void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e)
339 if (checkParamCount(e, 2)) {
340 e->network()->updateNickFromMask(e->prefix());
341 IrcUser *victim = e->network()->ircUser(e->params().at(1));
343 victim->partChannel(e->params().at(0));
344 //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel);
350 void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e)
352 if (!checkParamCount(e, 2))
355 if (e->network()->isChannelName(e->params().first())) {
358 IrcChannel *channel = e->network()->ircChannel(e->params()[0]);
360 // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that
361 // anyways: we don't have a place to store the data --> discard the info.
365 QString modes = e->params()[1];
368 for (int c = 0; c < modes.length(); c++) {
369 if (modes[c] == '+') {
373 if (modes[c] == '-') {
378 if (e->network()->prefixModes().contains(modes[c])) {
379 // user channel modes (op, voice, etc...)
380 if (paramOffset < e->params().count()) {
381 IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]);
383 qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset];
387 bool handledByNetsplit = false;
388 QHash<QString, Netsplit *> splits = _netsplits.value(e->network());
389 foreach(Netsplit* n, _netsplits.value(e->network())) {
390 handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name());
391 if (handledByNetsplit) {
392 n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c]));
396 if (!handledByNetsplit)
397 channel->addUserMode(ircUser, QString(modes[c]));
400 channel->removeUserMode(ircUser, QString(modes[c]));
404 qWarning() << "Received MODE with too few parameters:" << e->params();
409 // regular channel modes
411 Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]);
412 if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) {
413 if (paramOffset < e->params().count()) {
414 value = e->params()[paramOffset];
417 qWarning() << "Received MODE with too few parameters:" << e->params();
423 channel->addChannelMode(modes[c], value);
425 channel->removeChannelMode(modes[c], value);
431 IrcUser *ircUser = e->network()->newIrcUser(e->params().first());
432 QString modeString(e->params()[1]);
436 for (int c = 0; c < modeString.count(); c++) {
437 if (modeString[c] == '+') {
441 if (modeString[c] == '-') {
446 addModes += modeString[c];
448 removeModes += modeString[c];
450 if (!addModes.isEmpty())
451 ircUser->addUserModes(addModes);
452 if (!removeModes.isEmpty())
453 ircUser->removeUserModes(removeModes);
455 if (e->network()->isMe(ircUser)) {
456 coreNetwork(e)->updatePersistentModes(addModes, removeModes);
462 void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e)
464 if (checkParamCount(e, 1)) {
465 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
467 qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
470 QString newnick = e->params().at(0);
471 QString oldnick = ircuser->nick();
473 // the order is cruicial
474 // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore
475 // and remove the ircuser from the querybuffer leading to a wrong on/offline state
476 ircuser->setNick(newnick);
477 coreSession()->renameBuffer(e->networkId(), newnick, oldnick);
482 void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e)
484 if (checkParamCount(e, 1)) {
485 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
487 qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
490 QString channel = e->params().at(0);
491 ircuser->partChannel(channel);
492 if (e->network()->isMe(ircuser))
493 qobject_cast<CoreNetwork *>(e->network())->setChannelParted(channel);
498 void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e)
500 QString param = e->params().count() ? e->params().first() : QString();
502 coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param));
506 void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e)
508 // the server is supposed to send back what we passed as param. and we send a timestamp
509 // but using quote and whatnought one can send arbitrary pings, so we have to do some sanity checks
510 if (checkParamCount(e, 2)) {
511 QString timestamp = e->params().at(1);
512 QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz");
513 if (sendTime.isValid())
514 e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2);
519 void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e)
521 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
526 if (e->params().count() > 0)
527 msg = e->params()[0];
530 if (Netsplit::isNetsplit(msg)) {
532 if (!_netsplits[e->network()].contains(msg)) {
533 n = new Netsplit(e->network(), this);
534 connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished()));
535 connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)),
536 this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString)));
537 connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)),
538 this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString)));
539 connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)),
540 this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList)));
541 _netsplits[e->network()].insert(msg, n);
544 n = _netsplits[e->network()][msg];
546 // add this user to the netsplit
547 n->userQuit(e->prefix(), ircuser->channels(), msg);
548 e->setFlag(EventManager::Netsplit);
550 // normal quit is handled in lateProcessIrcEventQuit()
554 void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e)
556 if (e->testFlag(EventManager::Netsplit))
559 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
567 void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e)
569 if (checkParamCount(e, 2)) {
570 e->network()->updateNickFromMask(e->prefix());
571 IrcChannel *channel = e->network()->ircChannel(e->params().at(0));
573 channel->setTopic(e->params().at(1));
579 void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e)
581 if (!Cipher::neededFeaturesAvailable()) {
582 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()));
585 CoreNetwork *net = qobject_cast<CoreNetwork*>(e->network());
586 Cipher *c = net->cipher(e->target());
587 if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?)
590 if (e->exchangeType() == KeyEvent::Init) {
591 QByteArray pubKey = c->parseInitKeyX(e->key());
592 if (pubKey.isEmpty()) {
593 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()));
596 net->setCipherKey(e->target(), c->key());
597 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()));
599 p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey;
600 net->putCmd("NOTICE", p);
603 if (c->parseFinishKeyX(e->key())) {
604 net->setCipherKey(e->target(), c->key());
605 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()));
607 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()));
615 void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e)
617 e->network()->setCurrentServer(e->prefix());
618 e->network()->setMyNick(e->target());
623 // TODO Complete 005 handling, also use sensible defaults for non-sent stuff
624 void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e)
626 if (!checkParamCount(e, 1))
630 for (int i = 0; i < e->params().count() - 1; i++) {
631 QString key = e->params()[i].section("=", 0, 0);
632 QString value = e->params()[i].section("=", 1);
633 e->network()->addSupport(key, value);
636 /* determine our prefixes here to get an accurate result */
637 e->network()->determinePrefixes();
641 /* RPL_UMODEIS - "<user_modes> [<user_mode_params>]" */
642 void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *)
644 // TODO: save information in network object
648 /* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */
649 void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *)
651 // TODO: save information in network object
655 /* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */
656 void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *)
658 // TODO: save information in network object
662 /* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */
663 void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *)
665 // TODO: save information in network object
671 Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message.
673 "<nick> :<away message>"
675 Replies 352 and 315 paired are used to answer a WHO message.
678 Replies 314 and 369 are responses to a WHOWAS message.
682 /* RPL_AWAY - "<nick> :<away message>" */
683 void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e)
685 if (!checkParamCount(e, 2))
688 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
690 ircuser->setAway(true);
691 ircuser->setAwayMessage(e->params().at(1));
692 //ircuser->setLastAwayMessage(now);
697 /* RPL_UNAWAY - ":You are no longer marked as being away" */
698 void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e)
700 IrcUser *me = e->network()->me();
704 if (e->network()->autoAwayActive()) {
705 e->network()->setAutoAwayActive(false);
706 e->setFlag(EventManager::Silent);
711 /* RPL_NOWAWAY - ":You have been marked as being away" */
712 void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e)
714 IrcUser *me = e->network()->me();
720 /* RPL_WHOISSERVICE - "<user> is registered nick" */
721 void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e)
723 if (!checkParamCount(e, 1))
726 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
728 ircuser->setWhoisServiceReply(e->params().join(" "));
732 /* RPL_SUSERHOST - "<user> is available for help." */
733 void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e)
735 if (!checkParamCount(e, 1))
738 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
740 ircuser->setSuserHost(e->params().join(" "));
744 /* RPL_WHOISUSER - "<nick> <user> <host> * :<real name>" */
745 void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e)
747 if (!checkParamCount(e, 3))
750 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
752 ircuser->setUser(e->params().at(1));
753 ircuser->setHost(e->params().at(2));
754 ircuser->setRealName(e->params().last());
759 /* RPL_WHOISSERVER - "<nick> <server> :<server info>" */
760 void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e)
762 if (!checkParamCount(e, 2))
765 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
767 ircuser->setServer(e->params().at(1));
771 /* RPL_WHOISOPERATOR - "<nick> :is an IRC operator" */
772 void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e)
774 if (!checkParamCount(e, 1))
777 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
779 ircuser->setIrcOperator(e->params().last());
783 /* RPL_ENDOFWHO: "<name> :End of WHO list" */
784 void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e)
786 if (!checkParamCount(e, 1))
789 if (coreNetwork(e)->setAutoWhoDone(e->params()[0]))
790 e->setFlag(EventManager::Silent);
794 /* RPL_WHOISIDLE - "<nick> <integer> :seconds idle"
795 (real life: "<nick> <integer> <integer> :seconds idle, signon time) */
796 void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e)
798 if (!checkParamCount(e, 2))
803 int idleSecs = e->params()[1].toInt();
804 if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation
805 int logintime = e->params()[2].toInt();
806 loginTime = QDateTime::fromTime_t(logintime);
809 IrcUser *ircuser = e->network()->ircUser(e->params()[0]);
811 ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs));
812 if (loginTime.isValid())
813 ircuser->setLoginTime(loginTime);
818 /* RPL_LIST - "<channel> <# visible> :<topic>" */
819 void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e)
821 if (!checkParamCount(e, 1))
825 quint32 userCount = 0;
828 switch (e->params().count()) {
830 topic = e->params()[2];
832 userCount = e->params()[1].toUInt();
834 channelName = e->params()[0];
838 if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic))
839 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
843 /* RPL_LISTEND ":End of LIST" */
844 void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e)
846 if (!checkParamCount(e, 1))
849 if (coreSession()->ircListHelper()->endOfChannelList(e->networkId()))
850 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
854 /* RPL_CHANNELMODEIS - "<channel> <mode> <mode params>" */
855 void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e)
857 processIrcEventMode(e);
862 void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e)
864 if (!checkParamCount(e, 1))
867 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
869 chan->setTopic(QString());
874 void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e)
876 if (!checkParamCount(e, 2))
879 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
881 chan->setTopic(e->params()[1]);
885 /* RPL_WHOREPLY: "<channel> <user> <host> <server> <nick>
886 ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] :<hopcount> <real name>" */
887 void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e)
889 if (!checkParamCount(e, 6))
892 QString channel = e->params()[0];
893 IrcUser *ircuser = e->network()->ircUser(e->params()[4]);
895 ircuser->setUser(e->params()[1]);
896 ircuser->setHost(e->params()[2]);
898 bool away = e->params()[5].contains("G", Qt::CaseInsensitive);
899 ircuser->setAway(away);
900 ircuser->setServer(e->params()[3]);
901 ircuser->setRealName(e->params().last().section(" ", 1));
903 if (coreNetwork(e)->capEnabled(IrcCap::MULTI_PREFIX)) {
904 // If multi-prefix is enabled, all modes will be sent in WHO replies.
905 // :kenny.chatspike.net 352 guest #test grawity broken.symlink *.chatspike.net grawity H@%+ :0 Mantas M.
906 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
907 QString uncheckedModes = e->params()[5];
908 QString validModes = QString();
909 while (!uncheckedModes.isEmpty()) {
910 // Mode found in 1 left-most character, add it to the list
911 if (e->network()->prefixes().contains(uncheckedModes[0])) {
912 validModes.append(e->network()->prefixToMode(uncheckedModes[0]));
914 // Remove this mode from the list of unchecked modes
915 uncheckedModes = uncheckedModes.remove(0, 1);
918 // Some IRC servers decide to not follow the spec, returning only -some- of the user
919 // modes in WHO despite listing them all in NAMES. For now, assume it can only add
920 // and not take away. *sigh*
921 if (!validModes.isEmpty()) {
922 if (channel != "*") {
923 // Channel-specific modes received, apply to given channel only
924 IrcChannel *ircChan = e->network()->ircChannel(channel);
926 // Do one mode at a time
927 // TODO Better way of syncing this without breaking protocol?
928 for (int i = 0; i < validModes.count(); ++i) {
929 ircChan->addUserMode(ircuser, validModes.at(i));
933 // Modes apply to the user everywhere
934 ircuser->addUserModes(validModes);
940 // Check if channel name has a who in progress.
941 // If not, then check if user nick exists and has a who in progress.
942 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
943 (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
944 e->setFlag(EventManager::Silent);
950 void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e)
952 if (!checkParamCount(e, 3))
955 // param[0] is either "=", "*" or "@" indicating a public, private or secret channel
956 // we don't use this information at the time beeing
957 QString channelname = e->params()[1];
959 IrcChannel *channel = e->network()->ircChannel(channelname);
961 qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname;
968 // Cache result of multi-prefix to avoid unneeded casts and lookups with each iteration.
969 bool _useCapMultiPrefix = coreNetwork(e)->capEnabled(IrcCap::MULTI_PREFIX);
971 foreach(QString nick, e->params()[2].split(' ', QString::SkipEmptyParts)) {
974 if (_useCapMultiPrefix) {
975 // If multi-prefix is enabled, all modes will be sent in NAMES replies.
976 // :hades.arpa 353 guest = #tethys :~&@%+aji &@Attila @+alyx +KindOne Argure
977 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
978 while (e->network()->prefixes().contains(nick[0])) {
979 // Mode found in 1 left-most character, add it to the list.
980 // Note: sending multiple modes may cause a warning in older clients.
981 // In testing, the clients still seemed to function fine.
982 mode.append(e->network()->prefixToMode(nick[0]));
983 // Remove this mode from the nick
984 nick = nick.remove(0, 1);
986 } else if (e->network()->prefixes().contains(nick[0])) {
987 // Multi-prefix is disabled and a mode prefix was found.
988 mode = e->network()->prefixToMode(nick[0]);
992 // If userhost-in-names capability is enabled, the following will be
993 // in the form "nick!user@host" rather than "nick". This works without
994 // special handling as the following use nickFromHost() as needed.
995 // See: http://ircv3.net/specs/extensions/userhost-in-names-3.2.html
1001 channel->joinIrcUsers(nicks, modes);
1005 /* ERR_ERRONEUSNICKNAME */
1006 void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e)
1008 if (!checkParamCount(e, 1))
1012 if (e->params().count() < 2) {
1013 // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase:
1015 // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters
1016 // correct server reply:
1017 // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters
1018 e->params().prepend(e->target());
1021 errnick = e->params()[0];
1023 tryNextNick(e, errnick, true /* erroneus */);
1027 /* ERR_NICKNAMEINUSE */
1028 void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e)
1030 if (!checkParamCount(e, 1))
1033 QString errnick = e->params().first();
1035 // if there is a problem while connecting to the server -> we handle it
1036 // but only if our connection has not been finished yet...
1037 if (!e->network()->currentServer().isEmpty())
1040 tryNextNick(e, errnick);
1044 /* ERR_UNAVAILRESOURCE */
1045 void CoreSessionEventProcessor::processIrcEvent437(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 if (!e->network()->isChannelName(errnick))
1058 tryNextNick(e, errnick);
1063 void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) {
1064 if(!checkParamCount(e, 1))
1070 /* Handle signals from Netsplit objects */
1072 void CoreSessionEventProcessor::handleNetsplitJoin(Network *net,
1073 const QString &channel,
1074 const QStringList &users,
1075 const QStringList &modes,
1076 const QString &quitMessage)
1078 IrcChannel *ircChannel = net->ircChannel(channel);
1082 QList<IrcUser *> ircUsers;
1083 QStringList newModes = modes;
1084 QStringList newUsers = users;
1086 foreach(const QString &user, users) {
1087 IrcUser *iu = net->ircUser(nickFromMask(user));
1089 ircUsers.append(iu);
1090 else { // the user already quit
1091 int idx = users.indexOf(user);
1092 newUsers.removeAt(idx);
1093 newModes.removeAt(idx);
1097 ircChannel->joinIrcUsers(ircUsers, newModes);
1098 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage);
1099 emit newEvent(event);
1103 void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage)
1105 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage);
1106 emit newEvent(event);
1107 foreach(QString user, users) {
1108 IrcUser *iu = net->ircUser(nickFromMask(user));
1115 void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes)
1117 IrcChannel *ircChannel = net->ircChannel(channel);
1119 qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid";
1122 QList<NetworkEvent *> events;
1123 QList<IrcUser *> ircUsers;
1124 QStringList newModes = modes;
1126 foreach(QString user, users) {
1127 IrcUser *iu = net->updateNickFromMask(user);
1129 ircUsers.append(iu);
1130 // fake event for scripts that consume join events
1131 events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel);
1134 newModes.removeAt(users.indexOf(user));
1137 ircChannel->joinIrcUsers(ircUsers, newModes);
1138 foreach(NetworkEvent *event, events) {
1139 event->setFlag(EventManager::Fake); // ignore this in here!
1140 emit newEvent(event);
1145 void CoreSessionEventProcessor::handleNetsplitFinished()
1147 Netsplit *n = qobject_cast<Netsplit *>(sender());
1149 QHash<QString, Netsplit *> splithash = _netsplits.take(n->network());
1150 splithash.remove(splithash.key(n));
1151 if (splithash.count())
1152 _netsplits[n->network()] = splithash;
1157 void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId)
1159 Network *net = coreSession()->network(netId);
1163 QHash<QString, Netsplit *> splits = _netsplits.take(net);
1168 /*******************************/
1169 /******** CTCP HANDLING ********/
1170 /*******************************/
1172 void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e)
1174 if (e->testFlag(EventManager::Self))
1175 return; // ignore ctcp events generated by user input
1177 if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query)
1180 handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e));
1184 void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e)
1186 // This handler is only there to avoid warnings for unknown CTCPs
1192 void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e)
1194 // This handler is only there to feed CLIENTINFO
1199 void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e)
1201 QStringList supportedHandlers;
1202 foreach(QString handler, providesHandlers())
1203 supportedHandlers << handler.toUpper();
1204 qSort(supportedHandlers);
1205 e->setReply(supportedHandlers.join(" "));
1209 // http://www.irchelp.org/irchelp/rfc/ctcpspec.html
1210 // http://en.wikipedia.org/wiki/Direct_Client-to-Client
1211 void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e)
1213 // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in
1214 if (!Quassel::isOptionSet("enable-experimental-dcc")) {
1215 quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
1219 // normal: SEND <filename> <ip> <port> [<filesize>]
1220 // reverse: SEND <filename> <ip> 0 <filesize> <token>
1221 QStringList params = e->param().split(' ');
1222 if (params.count()) {
1223 QString cmd = params[0].toUpper();
1224 if (cmd == "SEND") {
1225 if (params.count() < 4) {
1226 qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client
1229 QString filename = params[1];
1230 QHostAddress address;
1231 quint16 port = params[3].toUShort();
1233 QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon)
1234 if (numIp.contains(':')) { // IPv6
1235 if (!address.setAddress(numIp)) {
1236 qWarning() << "Invalid IPv6:" << numIp;
1241 address.setAddress(numIp.toUInt());
1244 if (port == 0) { // Reverse DCC is indicated by a 0 port
1245 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp()));
1249 qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok
1253 if (params.count() > 4) { // filesize is optional
1254 size = params[4].toULong();
1257 // TODO: check if target is the right thing to use for the partner
1258 CoreTransfer *transfer = new CoreTransfer(Transfer::Direction::Receive, e->target(), filename, address, port, size, this);
1259 coreSession()->signalProxy()->synchronize(transfer);
1260 coreSession()->transferManager()->addTransfer(transfer);
1263 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp()));
1270 void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e)
1272 e->setReply(e->param().isNull() ? "" : e->param());
1276 void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e)
1278 e->setReply(QDateTime::currentDateTime().toString());
1282 void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
1284 e->setReply(QString("Quassel IRC %1 (built on %2) -- http://www.quassel-irc.org")
1285 .arg(Quassel::buildInfo().plainVersionString).arg(Quassel::buildInfo().commitDate));