1 /***************************************************************************
2 * Copyright (C) 2005-2015 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
21 #include "coresessioneventprocessor.h"
23 #include "coreirclisthelper.h"
24 #include "corenetwork.h"
25 #include "coresession.h"
26 #include "coretransfer.h"
27 #include "coretransfermanager.h"
28 #include "ctcpevent.h"
32 #include "messageevent.h"
37 # include "keyevent.h"
40 CoreSessionEventProcessor::CoreSessionEventProcessor(CoreSession *session)
41 : BasicHandler("handleCtcp", session),
44 connect(coreSession(), SIGNAL(networkDisconnected(NetworkId)), this, SLOT(destroyNetsplits(NetworkId)));
45 connect(this, SIGNAL(newEvent(Event *)), coreSession()->eventManager(), SLOT(postEvent(Event *)));
49 bool CoreSessionEventProcessor::checkParamCount(IrcEvent *e, int minParams)
51 if (e->params().count() < minParams) {
52 if (e->type() == EventManager::IrcEventNumeric) {
53 qWarning() << "Command " << static_cast<IrcEventNumeric *>(e)->number() << " requires " << minParams << "params, got: " << e->params();
56 QString name = coreSession()->eventManager()->enumName(e->type());
57 qWarning() << qPrintable(name) << "requires" << minParams << "params, got:" << e->params();
66 void CoreSessionEventProcessor::tryNextNick(NetworkEvent *e, const QString &errnick, bool erroneus)
68 QStringList desiredNicks = coreSession()->identity(e->network()->identity())->nicks();
69 int nextNickIdx = desiredNicks.indexOf(errnick) + 1;
71 if (nextNickIdx > 0 && desiredNicks.size() > nextNickIdx) {
72 nextNick = desiredNicks[nextNickIdx];
76 // FIXME Make this an ErrorEvent or something like that, so it's translated in the client
77 MessageEvent *msgEvent = new MessageEvent(Message::Error, e->network(),
78 tr("No free and valid nicks in nicklist found. use: /nick <othernick> to continue"),
79 QString(), QString(), Message::None, e->timestamp());
80 emit newEvent(msgEvent);
84 nextNick = errnick + "_";
87 // FIXME Use a proper output event for this
88 coreNetwork(e)->putRawLine("NICK " + coreNetwork(e)->encodeServerString(nextNick));
92 void CoreSessionEventProcessor::processIrcEventNumeric(IrcEventNumeric *e)
94 switch (e->number()) {
95 // SASL authentication replies
96 // See: http://ircv3.net/specs/extensions/sasl-3.1.html
97 // TODO Handle errors to stop connection if appropriate
98 case 903: // RPL_SASLSUCCESS
99 case 904: // ERR_SASLFAIL
100 case 905: // ERR_SASLTOOLONG
101 case 906: // ERR_SASLABORTED
102 case 907: // ERR_SASLALREADY
103 // Move on to the next capability
104 sendNextCap(e->network());
113 void CoreSessionEventProcessor::processIrcEventAuthenticate(IrcEvent *e)
115 if (!checkParamCount(e, 1))
118 if (e->params().at(0) != "+") {
119 qWarning() << "Invalid AUTHENTICATE" << e;
123 CoreNetwork *net = coreNetwork(e);
126 if (net->identityPtr()->sslCert().isNull()) {
128 QString construct = net->saslAccount();
129 construct.append(QChar(QChar::Null));
130 construct.append(net->saslAccount());
131 construct.append(QChar(QChar::Null));
132 construct.append(net->saslPassword());
133 QByteArray saslData = QByteArray(construct.toLatin1().toBase64());
134 saslData.prepend("AUTHENTICATE ");
135 net->putRawLine(saslData);
138 net->putRawLine("AUTHENTICATE +");
143 void CoreSessionEventProcessor::sendNextCap(Network *net)
145 CoreNetwork *coreNet = qobject_cast<CoreNetwork *>(net);
146 if (coreNet->capNegotiationInProgress()) {
147 // Request the next capability and remove it from the list
148 // Handle one at a time so one capability failing won't NAK all of 'em
149 coreNet->putRawLine(coreNet->serverEncode(QString("CAP REQ :%1").arg(coreNet->takeQueuedCap())));
151 // If SASL requested but not available, print a warning
152 if (coreNet->networkInfo().useSasl && !coreNet->useCapSASL())
153 emit newEvent(new MessageEvent(Message::Error, net, tr("SASL authentication not supported by server, continuing without"), QString(), QString(), Message::None, QDateTime::currentDateTimeUtc()));
155 // No pending desired capabilities, end negotiation
156 coreNet->putRawLine(coreNet->serverEncode(QString("CAP END")));
157 emit newEvent(new MessageEvent(Message::Server, net, tr("Capability negotiation finished"), QString(), QString(), Message::None, QDateTime::currentDateTimeUtc()));
161 void CoreSessionEventProcessor::processIrcEventCap(IrcEvent *e)
163 // Handle capability negotiation
164 // See: http://ircv3.net/specs/core/capability-negotiation-3.2.html
165 // And: http://ircv3.net/specs/core/capability-negotiation-3.1.html
166 if (e->params().count() >= 3) {
167 CoreNetwork *coreNet = coreNetwork(e);
168 if (e->params().at(1).compare("LS", Qt::CaseInsensitive) == 0) {
169 // Server: CAP * LS * :multi-prefix extended-join account-notify batch invite-notify tls
170 // Server: CAP * LS * :cap-notify server-time example.org/dummy-cap=dummyvalue example.org/second-dummy-cap
171 // Server: CAP * LS :userhost-in-names sasl=EXTERNAL,DH-AES,DH-BLOWFISH,ECDSA-NIST256P-CHALLENGE,PLAIN
172 bool capListFinished;
173 QStringList availableCaps;
174 if (e->params().count() == 4) {
175 // Middle of multi-line reply, ignore the asterisk
176 capListFinished = false;
177 availableCaps = e->params().at(3).split(' ');
180 capListFinished = true;
181 availableCaps = e->params().at(2).split(' ');
183 // We know what capabilities are available, request what we want.
184 QStringList availableCapPair;
185 bool queueCurrentCap;
186 for (int i = 0; i < availableCaps.count(); ++i) {
187 // Capability may include values, e.g. CAP * LS :multi-prefix sasl=EXTERNAL
188 availableCapPair = availableCaps[i].trimmed().split('=');
189 queueCurrentCap = false;
190 if (availableCapPair.at(0).startsWith("sasl")) {
191 // Only request SASL if it's enabled
192 if (coreNet->networkInfo().useSasl)
193 queueCurrentCap = true;
194 } else if (availableCapPair.at(0).startsWith("away-notify") ||
195 availableCapPair.at(0).startsWith("account-notify") ||
196 availableCapPair.at(0).startsWith("extended-join") ||
197 availableCapPair.at(0).startsWith("userhost-in-names") ||
198 availableCapPair.at(0).startsWith("multi-prefix")) {
199 // Always request these capabilities if available
200 queueCurrentCap = true;
202 if (queueCurrentCap) {
203 if(availableCapPair.count() >= 2)
204 coreNet->queuePendingCap(availableCapPair.at(0).trimmed(), availableCapPair.at(1).trimmed());
206 coreNet->queuePendingCap(availableCapPair.at(0).trimmed());
209 // Begin capability requests when capability listing complete
210 if (capListFinished) {
211 emit newEvent(new MessageEvent(Message::Server, e->network(), tr("Negotiating capabilities..."), QString(), QString(), Message::None, e->timestamp()));
212 sendNextCap(coreNet);
214 } else if (e->params().at(1).compare("ACK", Qt::CaseInsensitive) == 0) {
215 // Server: CAP * ACK :multi-prefix sasl
216 // Got the capability we want, enable, handle as needed.
217 // As only one capability is requested at a time, no need to split
218 // Lower-case the list to make later comparisons easier
219 // Capability may include values, e.g. CAP * LS :multi-prefix sasl=EXTERNAL
220 QStringList acceptedCap = e->params().at(2).trimmed().split('=');
222 // Mark this cap as accepted
223 if(acceptedCap.count() >= 2)
224 coreNet->addCap(acceptedCap.at(0), acceptedCap.at(1));
226 coreNet->addCap(acceptedCap.at(0));
228 // Handle special cases
229 if (acceptedCap.at(0).startsWith("sasl")) {
230 // Freenode (at least) sends "sasl " with a trailing space for some reason!
231 // if the current identity has a cert set, use SASL EXTERNAL
233 // TODO If value of sasl capability is not empty, limit to accepted
235 if (!coreNet->identityPtr()->sslCert().isNull()) {
236 coreNet->putRawLine(coreNet->serverEncode("AUTHENTICATE EXTERNAL"));
239 // Only working with PLAIN atm, blowfish later
240 coreNet->putRawLine(coreNet->serverEncode("AUTHENTICATE PLAIN"));
245 // Special handling not needed, move on to next cap
246 sendNextCap(coreNet);
248 } else if (e->params().at(1).compare("NAK", Qt::CaseInsensitive) == 0) {
249 // Something went wrong with this capability, disable, go to next cap
250 // As only one capability is requested at a time, no need to split
251 // Lower-case the list to make later comparisons easier
252 QString deniedCap = e->params().at(2).trimmed();
253 coreNet->removeCap(deniedCap);
254 sendNextCap(coreNet);
259 /* IRCv3 account-notify
260 * Log in: ":nick!user@host ACCOUNT accountname"
261 * Log out: ":nick!user@host ACCOUNT *" */
262 void CoreSessionEventProcessor::processIrcEventAccount(IrcEvent *e)
264 if (!checkParamCount(e, 1))
267 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
269 // FIXME Keep track of authed user account, requires adding support to ircuser.h/cpp
271 if (e->params().at(0) != "*") {
273 qDebug() << "account-notify:" << ircuser->nick() << "logged in to" << e->params().at(0);
275 // Account logged out
276 qDebug() << "account-notify:" << ircuser->nick() << "logged out";
280 qDebug() << "Received account-notify data for unknown user" << e->prefix();
284 /* IRCv3 away-notify - ":nick!user@host AWAY [:message]" */
285 void CoreSessionEventProcessor::processIrcEventAway(IrcEvent *e)
287 if (!checkParamCount(e, 2))
290 // Nick is sent as part of parameters in order to split user/server decoding
291 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
293 if (!e->params().at(1).isEmpty()) {
294 ircuser->setAway(true);
295 ircuser->setAwayMessage(e->params().at(1));
297 ircuser->setAway(false);
300 qDebug() << "Received away-notify data for unknown user" << e->params().at(0);
304 void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e)
306 if (checkParamCount(e, 2)) {
307 e->network()->updateNickFromMask(e->prefix());
312 void CoreSessionEventProcessor::processIrcEventJoin(IrcEvent *e)
314 if (e->testFlag(EventManager::Fake)) // generated by handleEarlyNetsplitJoin
317 if (!checkParamCount(e, 1))
320 CoreNetwork *net = coreNetwork(e);
321 QString channel = e->params()[0];
322 IrcUser *ircuser = net->updateNickFromMask(e->prefix());
324 if (net->useCapExtendedJoin()) {
325 if (!checkParamCount(e, 3))
327 // If logged in, :nick!user@host JOIN #channelname accountname :Real Name
328 // If logged out, :nick!user@host JOIN #channelname * :Real Name
329 // See: http://ircv3.net/specs/extensions/extended-join-3.1.html
330 // FIXME Keep track of authed user account, requires adding support to ircuser.h/cpp
331 ircuser->setRealName(e->params()[2]);
333 // Else :nick!user@host JOIN #channelname
335 bool handledByNetsplit = false;
336 foreach(Netsplit* n, _netsplits.value(e->network())) {
337 handledByNetsplit = n->userJoined(e->prefix(), channel);
338 if (handledByNetsplit)
342 // If using away-notify, check new users. Works around buggy IRC servers
343 // forgetting to send :away messages for users who join channels when away.
344 if (coreNetwork(e)->useCapAwayNotify()) {
345 coreNetwork(e)->queueAutoWhoOneshot(ircuser->nick());
348 if (!handledByNetsplit)
349 ircuser->joinChannel(channel);
351 e->setFlag(EventManager::Netsplit);
353 if (net->isMe(ircuser)) {
354 net->setChannelJoined(channel);
356 net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely
361 void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e)
363 if (checkParamCount(e, 2)) {
364 e->network()->updateNickFromMask(e->prefix());
365 IrcUser *victim = e->network()->ircUser(e->params().at(1));
367 victim->partChannel(e->params().at(0));
368 //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel);
374 void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e)
376 if (!checkParamCount(e, 2))
379 if (e->network()->isChannelName(e->params().first())) {
382 IrcChannel *channel = e->network()->ircChannel(e->params()[0]);
384 // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that
385 // anyways: we don't have a place to store the data --> discard the info.
389 QString modes = e->params()[1];
392 for (int c = 0; c < modes.length(); c++) {
393 if (modes[c] == '+') {
397 if (modes[c] == '-') {
402 if (e->network()->prefixModes().contains(modes[c])) {
403 // user channel modes (op, voice, etc...)
404 if (paramOffset < e->params().count()) {
405 IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]);
407 qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset];
411 bool handledByNetsplit = false;
412 QHash<QString, Netsplit *> splits = _netsplits.value(e->network());
413 foreach(Netsplit* n, _netsplits.value(e->network())) {
414 handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name());
415 if (handledByNetsplit) {
416 n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c]));
420 if (!handledByNetsplit)
421 channel->addUserMode(ircUser, QString(modes[c]));
424 channel->removeUserMode(ircUser, QString(modes[c]));
428 qWarning() << "Received MODE with too few parameters:" << e->params();
433 // regular channel modes
435 Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]);
436 if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) {
437 if (paramOffset < e->params().count()) {
438 value = e->params()[paramOffset];
441 qWarning() << "Received MODE with too few parameters:" << e->params();
447 channel->addChannelMode(modes[c], value);
449 channel->removeChannelMode(modes[c], value);
455 IrcUser *ircUser = e->network()->newIrcUser(e->params().first());
456 QString modeString(e->params()[1]);
460 for (int c = 0; c < modeString.count(); c++) {
461 if (modeString[c] == '+') {
465 if (modeString[c] == '-') {
470 addModes += modeString[c];
472 removeModes += modeString[c];
474 if (!addModes.isEmpty())
475 ircUser->addUserModes(addModes);
476 if (!removeModes.isEmpty())
477 ircUser->removeUserModes(removeModes);
479 if (e->network()->isMe(ircUser)) {
480 coreNetwork(e)->updatePersistentModes(addModes, removeModes);
486 void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e)
488 if (checkParamCount(e, 1)) {
489 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
491 qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
494 QString newnick = e->params().at(0);
495 QString oldnick = ircuser->nick();
497 // the order is cruicial
498 // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore
499 // and remove the ircuser from the querybuffer leading to a wrong on/offline state
500 ircuser->setNick(newnick);
501 coreSession()->renameBuffer(e->networkId(), newnick, oldnick);
506 void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e)
508 if (checkParamCount(e, 1)) {
509 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
511 qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
514 QString channel = e->params().at(0);
515 ircuser->partChannel(channel);
516 if (e->network()->isMe(ircuser))
517 qobject_cast<CoreNetwork *>(e->network())->setChannelParted(channel);
522 void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e)
524 QString param = e->params().count() ? e->params().first() : QString();
526 coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param));
530 void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e)
532 // the server is supposed to send back what we passed as param. and we send a timestamp
533 // but using quote and whatnought one can send arbitrary pings, so we have to do some sanity checks
534 if (checkParamCount(e, 2)) {
535 QString timestamp = e->params().at(1);
536 QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz");
537 if (sendTime.isValid())
538 e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2);
543 void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e)
545 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
550 if (e->params().count() > 0)
551 msg = e->params()[0];
554 if (Netsplit::isNetsplit(msg)) {
556 if (!_netsplits[e->network()].contains(msg)) {
557 n = new Netsplit(e->network(), this);
558 connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished()));
559 connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)),
560 this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString)));
561 connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)),
562 this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString)));
563 connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)),
564 this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList)));
565 _netsplits[e->network()].insert(msg, n);
568 n = _netsplits[e->network()][msg];
570 // add this user to the netsplit
571 n->userQuit(e->prefix(), ircuser->channels(), msg);
572 e->setFlag(EventManager::Netsplit);
574 // normal quit is handled in lateProcessIrcEventQuit()
578 void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e)
580 if (e->testFlag(EventManager::Netsplit))
583 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
591 void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e)
593 if (checkParamCount(e, 2)) {
594 e->network()->updateNickFromMask(e->prefix());
595 IrcChannel *channel = e->network()->ircChannel(e->params().at(0));
597 channel->setTopic(e->params().at(1));
603 void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e)
605 if (!Cipher::neededFeaturesAvailable()) {
606 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()));
609 CoreNetwork *net = qobject_cast<CoreNetwork*>(e->network());
610 Cipher *c = net->cipher(e->target());
611 if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?)
614 if (e->exchangeType() == KeyEvent::Init) {
615 QByteArray pubKey = c->parseInitKeyX(e->key());
616 if (pubKey.isEmpty()) {
617 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()));
620 net->setCipherKey(e->target(), c->key());
621 emit newEvent(new MessageEvent(Message::Info, e->network(), tr("Your key is set and messages will be encrypted."), e->prefix(), e->target(), Message::None, e->timestamp()));
623 p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey;
624 net->putCmd("NOTICE", p);
627 if (c->parseFinishKeyX(e->key())) {
628 net->setCipherKey(e->target(), c->key());
629 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()));
631 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()));
639 void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e)
641 e->network()->setCurrentServer(e->prefix());
642 e->network()->setMyNick(e->target());
647 // TODO Complete 005 handling, also use sensible defaults for non-sent stuff
648 void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e)
650 if (!checkParamCount(e, 1))
654 for (int i = 0; i < e->params().count() - 1; i++) {
655 QString key = e->params()[i].section("=", 0, 0);
656 QString value = e->params()[i].section("=", 1);
657 e->network()->addSupport(key, value);
660 /* determine our prefixes here to get an accurate result */
661 e->network()->determinePrefixes();
665 /* RPL_UMODEIS - "<user_modes> [<user_mode_params>]" */
666 void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *)
668 // TODO: save information in network object
672 /* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */
673 void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *)
675 // TODO: save information in network object
679 /* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */
680 void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *)
682 // TODO: save information in network object
686 /* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */
687 void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *)
689 // TODO: save information in network object
695 Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message.
697 "<nick> :<away message>"
699 Replies 352 and 315 paired are used to answer a WHO message.
702 Replies 314 and 369 are responses to a WHOWAS message.
706 /* RPL_AWAY - "<nick> :<away message>" */
707 void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e)
709 if (!checkParamCount(e, 2))
712 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
714 ircuser->setAway(true);
715 ircuser->setAwayMessage(e->params().at(1));
716 //ircuser->setLastAwayMessage(now);
721 /* RPL_UNAWAY - ":You are no longer marked as being away" */
722 void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e)
724 IrcUser *me = e->network()->me();
728 if (e->network()->autoAwayActive()) {
729 e->network()->setAutoAwayActive(false);
730 e->setFlag(EventManager::Silent);
735 /* RPL_NOWAWAY - ":You have been marked as being away" */
736 void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e)
738 IrcUser *me = e->network()->me();
744 /* RPL_WHOISSERVICE - "<user> is registered nick" */
745 void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e)
747 if (!checkParamCount(e, 1))
750 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
752 ircuser->setWhoisServiceReply(e->params().join(" "));
756 /* RPL_SUSERHOST - "<user> is available for help." */
757 void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e)
759 if (!checkParamCount(e, 1))
762 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
764 ircuser->setSuserHost(e->params().join(" "));
768 /* RPL_WHOISUSER - "<nick> <user> <host> * :<real name>" */
769 void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e)
771 if (!checkParamCount(e, 3))
774 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
776 ircuser->setUser(e->params().at(1));
777 ircuser->setHost(e->params().at(2));
778 ircuser->setRealName(e->params().last());
783 /* RPL_WHOISSERVER - "<nick> <server> :<server info>" */
784 void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e)
786 if (!checkParamCount(e, 2))
789 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
791 ircuser->setServer(e->params().at(1));
795 /* RPL_WHOISOPERATOR - "<nick> :is an IRC operator" */
796 void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e)
798 if (!checkParamCount(e, 1))
801 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
803 ircuser->setIrcOperator(e->params().last());
807 /* RPL_ENDOFWHO: "<name> :End of WHO list" */
808 void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e)
810 if (!checkParamCount(e, 1))
813 if (coreNetwork(e)->setAutoWhoDone(e->params()[0]))
814 e->setFlag(EventManager::Silent);
818 /* RPL_WHOISIDLE - "<nick> <integer> :seconds idle"
819 (real life: "<nick> <integer> <integer> :seconds idle, signon time) */
820 void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e)
822 if (!checkParamCount(e, 2))
827 int idleSecs = e->params()[1].toInt();
828 if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation
829 int logintime = e->params()[2].toInt();
830 loginTime = QDateTime::fromTime_t(logintime);
833 IrcUser *ircuser = e->network()->ircUser(e->params()[0]);
835 ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs));
836 if (loginTime.isValid())
837 ircuser->setLoginTime(loginTime);
842 /* RPL_LIST - "<channel> <# visible> :<topic>" */
843 void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e)
845 if (!checkParamCount(e, 1))
849 quint32 userCount = 0;
852 switch (e->params().count()) {
854 topic = e->params()[2];
856 userCount = e->params()[1].toUInt();
858 channelName = e->params()[0];
862 if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic))
863 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
867 /* RPL_LISTEND ":End of LIST" */
868 void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e)
870 if (!checkParamCount(e, 1))
873 if (coreSession()->ircListHelper()->endOfChannelList(e->networkId()))
874 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
878 /* RPL_CHANNELMODEIS - "<channel> <mode> <mode params>" */
879 void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e)
881 processIrcEventMode(e);
886 void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e)
888 if (!checkParamCount(e, 1))
891 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
893 chan->setTopic(QString());
898 void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e)
900 if (!checkParamCount(e, 2))
903 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
905 chan->setTopic(e->params()[1]);
909 /* RPL_WHOREPLY: "<channel> <user> <host> <server> <nick>
910 ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] :<hopcount> <real name>" */
911 void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e)
913 if (!checkParamCount(e, 6))
916 QString channel = e->params()[0];
917 IrcUser *ircuser = e->network()->ircUser(e->params()[4]);
919 ircuser->setUser(e->params()[1]);
920 ircuser->setHost(e->params()[2]);
922 bool away = e->params()[5].contains("G", Qt::CaseInsensitive);
923 ircuser->setAway(away);
924 ircuser->setServer(e->params()[3]);
925 ircuser->setRealName(e->params().last().section(" ", 1));
927 if (coreNetwork(e)->useCapMultiPrefix()) {
928 // If multi-prefix is enabled, all modes will be sent in WHO replies.
929 // :kenny.chatspike.net 352 guest #test grawity broken.symlink *.chatspike.net grawity H@%+ :0 Mantas M.
930 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
931 QString uncheckedModes = e->params()[5];
932 QString validModes = QString();
933 while (!uncheckedModes.isEmpty()) {
934 // Mode found in 1 left-most character, add it to the list
935 if (e->network()->prefixes().contains(uncheckedModes[0])) {
936 validModes.append(e->network()->prefixToMode(uncheckedModes[0]));
938 // Remove this mode from the list of unchecked modes
939 uncheckedModes = uncheckedModes.remove(0, 1);
942 // Some IRC servers decide to not follow the spec, returning only -some- of the user
943 // modes in WHO despite listing them all in NAMES. For now, assume it can only add
944 // and not take away. *sigh*
945 if (!validModes.isEmpty()) {
946 if (channel != "*") {
947 // Channel-specific modes received, apply to given channel only
948 IrcChannel *ircChan = e->network()->ircChannel(channel);
950 // Do one mode at a time
951 // TODO Better way of syncing this without breaking protocol?
952 for (int i = 0; i < validModes.count(); ++i) {
953 ircChan->addUserMode(ircuser, validModes.at(i));
957 // Modes apply to the user everywhere
958 ircuser->addUserModes(validModes);
964 // Check if channel name has a who in progress.
965 // If not, then check if user nick exists and has a who in progress.
966 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
967 (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
968 e->setFlag(EventManager::Silent);
974 void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e)
976 if (!checkParamCount(e, 3))
979 // param[0] is either "=", "*" or "@" indicating a public, private or secret channel
980 // we don't use this information at the time beeing
981 QString channelname = e->params()[1];
983 IrcChannel *channel = e->network()->ircChannel(channelname);
985 qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname;
992 // Cache result of multi-prefix to avoid unneeded casts and lookups with each iteration.
993 bool _useCapMultiPrefix = coreNetwork(e)->useCapMultiPrefix();
995 foreach(QString nick, e->params()[2].split(' ', QString::SkipEmptyParts)) {
998 if (_useCapMultiPrefix) {
999 // If multi-prefix is enabled, all modes will be sent in NAMES replies.
1000 // :hades.arpa 353 guest = #tethys :~&@%+aji &@Attila @+alyx +KindOne Argure
1001 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
1002 while (e->network()->prefixes().contains(nick[0])) {
1003 // Mode found in 1 left-most character, add it to the list.
1004 // Note: sending multiple modes may cause a warning in older clients.
1005 // In testing, the clients still seemed to function fine.
1006 mode.append(e->network()->prefixToMode(nick[0]));
1007 // Remove this mode from the nick
1008 nick = nick.remove(0, 1);
1010 } else if (e->network()->prefixes().contains(nick[0])) {
1011 // Multi-prefix is disabled and a mode prefix was found.
1012 mode = e->network()->prefixToMode(nick[0]);
1016 // If userhost-in-names capability is enabled, the following will be
1017 // in the form "nick!user@host" rather than "nick". This works without
1018 // special handling as the following use nickFromHost() as needed.
1019 // See: http://ircv3.net/specs/extensions/userhost-in-names-3.2.html
1025 channel->joinIrcUsers(nicks, modes);
1029 /* ERR_ERRONEUSNICKNAME */
1030 void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e)
1032 if (!checkParamCount(e, 1))
1036 if (e->params().count() < 2) {
1037 // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase:
1039 // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters
1040 // correct server reply:
1041 // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters
1042 e->params().prepend(e->target());
1045 errnick = e->params()[0];
1047 tryNextNick(e, errnick, true /* erroneus */);
1051 /* ERR_NICKNAMEINUSE */
1052 void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e)
1054 if (!checkParamCount(e, 1))
1057 QString errnick = e->params().first();
1059 // if there is a problem while connecting to the server -> we handle it
1060 // but only if our connection has not been finished yet...
1061 if (!e->network()->currentServer().isEmpty())
1064 tryNextNick(e, errnick);
1068 /* ERR_UNAVAILRESOURCE */
1069 void CoreSessionEventProcessor::processIrcEvent437(IrcEventNumeric *e)
1071 if (!checkParamCount(e, 1))
1074 QString errnick = e->params().first();
1076 // if there is a problem while connecting to the server -> we handle it
1077 // but only if our connection has not been finished yet...
1078 if (!e->network()->currentServer().isEmpty())
1081 if (!e->network()->isChannelName(errnick))
1082 tryNextNick(e, errnick);
1087 void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) {
1088 if(!checkParamCount(e, 1))
1094 /* Handle signals from Netsplit objects */
1096 void CoreSessionEventProcessor::handleNetsplitJoin(Network *net,
1097 const QString &channel,
1098 const QStringList &users,
1099 const QStringList &modes,
1100 const QString &quitMessage)
1102 IrcChannel *ircChannel = net->ircChannel(channel);
1106 QList<IrcUser *> ircUsers;
1107 QStringList newModes = modes;
1108 QStringList newUsers = users;
1110 foreach(const QString &user, users) {
1111 IrcUser *iu = net->ircUser(nickFromMask(user));
1113 ircUsers.append(iu);
1114 else { // the user already quit
1115 int idx = users.indexOf(user);
1116 newUsers.removeAt(idx);
1117 newModes.removeAt(idx);
1121 ircChannel->joinIrcUsers(ircUsers, newModes);
1122 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage);
1123 emit newEvent(event);
1127 void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage)
1129 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage);
1130 emit newEvent(event);
1131 foreach(QString user, users) {
1132 IrcUser *iu = net->ircUser(nickFromMask(user));
1139 void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes)
1141 IrcChannel *ircChannel = net->ircChannel(channel);
1143 qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid";
1146 QList<NetworkEvent *> events;
1147 QList<IrcUser *> ircUsers;
1148 QStringList newModes = modes;
1150 foreach(QString user, users) {
1151 IrcUser *iu = net->updateNickFromMask(user);
1153 ircUsers.append(iu);
1154 // fake event for scripts that consume join events
1155 events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel);
1158 newModes.removeAt(users.indexOf(user));
1161 ircChannel->joinIrcUsers(ircUsers, newModes);
1162 foreach(NetworkEvent *event, events) {
1163 event->setFlag(EventManager::Fake); // ignore this in here!
1164 emit newEvent(event);
1169 void CoreSessionEventProcessor::handleNetsplitFinished()
1171 Netsplit *n = qobject_cast<Netsplit *>(sender());
1173 QHash<QString, Netsplit *> splithash = _netsplits.take(n->network());
1174 splithash.remove(splithash.key(n));
1175 if (splithash.count())
1176 _netsplits[n->network()] = splithash;
1181 void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId)
1183 Network *net = coreSession()->network(netId);
1187 QHash<QString, Netsplit *> splits = _netsplits.take(net);
1192 /*******************************/
1193 /******** CTCP HANDLING ********/
1194 /*******************************/
1196 void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e)
1198 if (e->testFlag(EventManager::Self))
1199 return; // ignore ctcp events generated by user input
1201 if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query)
1204 handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e));
1208 void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e)
1210 // This handler is only there to avoid warnings for unknown CTCPs
1216 void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e)
1218 // This handler is only there to feed CLIENTINFO
1223 void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e)
1225 QStringList supportedHandlers;
1226 foreach(QString handler, providesHandlers())
1227 supportedHandlers << handler.toUpper();
1228 qSort(supportedHandlers);
1229 e->setReply(supportedHandlers.join(" "));
1233 // http://www.irchelp.org/irchelp/rfc/ctcpspec.html
1234 // http://en.wikipedia.org/wiki/Direct_Client-to-Client
1235 void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e)
1237 // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in
1238 if (!Quassel::isOptionSet("enable-experimental-dcc")) {
1239 quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
1243 // normal: SEND <filename> <ip> <port> [<filesize>]
1244 // reverse: SEND <filename> <ip> 0 <filesize> <token>
1245 QStringList params = e->param().split(' ');
1246 if (params.count()) {
1247 QString cmd = params[0].toUpper();
1248 if (cmd == "SEND") {
1249 if (params.count() < 4) {
1250 qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client
1253 QString filename = params[1];
1254 QHostAddress address;
1255 quint16 port = params[3].toUShort();
1257 QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon)
1258 if (numIp.contains(':')) { // IPv6
1259 if (!address.setAddress(numIp)) {
1260 qWarning() << "Invalid IPv6:" << numIp;
1265 address.setAddress(numIp.toUInt());
1268 if (port == 0) { // Reverse DCC is indicated by a 0 port
1269 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp()));
1273 qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok
1277 if (params.count() > 4) { // filesize is optional
1278 size = params[4].toULong();
1281 // TODO: check if target is the right thing to use for the partner
1282 CoreTransfer *transfer = new CoreTransfer(Transfer::Direction::Receive, e->target(), filename, address, port, size, this);
1283 coreSession()->signalProxy()->synchronize(transfer);
1284 coreSession()->transferManager()->addTransfer(transfer);
1287 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp()));
1294 void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e)
1296 e->setReply(e->param().isNull() ? "" : e->param());
1300 void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e)
1302 e->setReply(QDateTime::currentDateTime().toString());
1306 void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
1308 e->setReply(QString("Quassel IRC %1 (built on %2) -- http://www.quassel-irc.org")
1309 .arg(Quassel::buildInfo().plainVersionString).arg(Quassel::buildInfo().buildDate));