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 // Sort capabilities before requesting for consistency among networks. This may avoid
178 // unexpected cases when some networks offer capabilities in a different order than
179 // others. It also looks nicer in logs. Not required.
180 availableCaps.sort();
181 // Store what capabilities are available
182 QString availableCapName, availableCapValue;
183 for (int i = 0; i < availableCaps.count(); ++i) {
184 // Capability may include values, e.g. CAP * LS :multi-prefix sasl=EXTERNAL
185 // Capability name comes before the first '='. If no '=' exists, this gets the
186 // whole string instead.
187 availableCapName = availableCaps[i].section('=', 0, 0).trimmed();
188 // Some capabilities include multiple key=value pairs in the listing,
189 // e.g. "sts=duration=31536000,port=6697"
190 // Include everything after the first equal sign as part of the value. If no '='
191 // exists, this gets an empty string.
192 availableCapValue = availableCaps[i].section('=', 1).trimmed();
193 // Only add the capability if it's non-empty
194 if (!availableCapName.isEmpty()) {
195 coreNet->addCap(availableCapName, availableCapValue);
199 // Begin capability requests when capability listing complete
201 coreNet->beginCapNegotiation();
202 } else if (capCommand == "ACK") {
203 // Server: CAP * ACK :multi-prefix sasl
204 // Got the capability we want, handle as needed.
205 // As only one capability is requested at a time, no need to split
206 QString acceptedCap = e->params().at(2).trimmed().toLower();
208 // Mark this cap as accepted
209 coreNet->acknowledgeCap(acceptedCap);
211 if (!coreNet->capsRequiringConfiguration.contains(acceptedCap)) {
212 // Some capabilities (e.g. SASL) require further messages to finish. If so, do NOT
213 // send the next capability; it will be handled elsewhere in CoreNetwork.
214 // Otherwise, move on to the next capability
215 coreNet->sendNextCap();
217 } else if (capCommand == "NAK" || capCommand == "DEL") {
218 // Either something went wrong with this capability, or it is no longer supported
220 // Server: CAP * NAK :multi-prefix sasl
222 // Server: :irc.example.com CAP modernclient DEL :multi-prefix sasl
223 // CAP NAK and CAP DEL replies are always single-line
225 QStringList removedCaps;
226 removedCaps = e->params().at(2).split(' ');
228 // Store what capability was denied or removed
230 for (int i = 0; i < removedCaps.count(); ++i) {
231 removedCap = removedCaps[i].trimmed().toLower();
232 // Mark this cap as removed
233 coreNet->removeCap(removedCap);
236 if (capCommand == "NAK") {
237 // Continue negotiation when capability listing complete only if this is the result
238 // of a denied cap, not a removed cap
239 coreNet->sendNextCap();
245 /* IRCv3 account-notify
246 * Log in: ":nick!user@host ACCOUNT accountname"
247 * Log out: ":nick!user@host ACCOUNT *" */
248 void CoreSessionEventProcessor::processIrcEventAccount(IrcEvent *e)
250 if (!checkParamCount(e, 1))
253 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
255 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
256 // As '*' is used internally to represent logged-out, no need to handle that differently.
257 ircuser->setAccount(e->params().at(0));
259 qDebug() << "Received account-notify data for unknown user" << e->prefix();
263 /* IRCv3 away-notify - ":nick!user@host AWAY [:message]" */
264 void CoreSessionEventProcessor::processIrcEventAway(IrcEvent *e)
266 if (!checkParamCount(e, 1))
268 // Don't use checkParamCount(e, 2) since the message is optional. Some servers respond in a way
269 // that it counts as two parameters, but we shouldn't rely on that.
271 // Nick is sent as part of parameters in order to split user/server decoding
272 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
274 // If two parameters are sent -and- the second parameter isn't empty, then user is away.
275 // Otherwise, mark them as not away.
276 if (e->params().count() >= 2 && !e->params().at(1).isEmpty()) {
277 ircuser->setAway(true);
278 ircuser->setAwayMessage(e->params().at(1));
280 ircuser->setAway(false);
283 qDebug() << "Received away-notify data for unknown user" << e->params().at(0);
287 /* IRCv3 chghost - ":nick!user@host CHGHOST newuser new.host.goes.here" */
288 void CoreSessionEventProcessor::processIrcEventChghost(IrcEvent *e)
290 if (!checkParamCount(e, 2))
293 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
295 // Update with new user/hostname information. setUser/setHost handles checking what
297 ircuser->setUser(e->params().at(0));
298 ircuser->setHost(e->params().at(1));
300 qDebug() << "Received chghost data for unknown user" << e->prefix();
304 void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e)
306 if (checkParamCount(e, 2)) {
307 e->network()->updateNickFromMask(e->prefix());
311 /* JOIN: ":<nick!user@host> JOIN <channel>" */
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->capEnabled(IrcCap::EXTENDED_JOIN)) {
325 if (e->params().count() < 3) {
326 // Some IRC servers don't send extended-join events in all situations. Rather than
327 // ignore the join entirely, treat it as a regular join with a debug-level log entry.
328 // See: https://github.com/inspircd/inspircd/issues/821
329 qDebug() << "extended-join requires 3 params, got:" << e->params() << ", handling as a "
332 // If logged in, :nick!user@host JOIN #channelname accountname :Real Name
333 // If logged out, :nick!user@host JOIN #channelname * :Real Name
334 // See: http://ircv3.net/specs/extensions/extended-join-3.1.html
335 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
336 // As '*' is used internally to represent logged-out, no need to handle that differently.
337 ircuser->setAccount(e->params()[1]);
338 // Update the user's real name, too
339 ircuser->setRealName(e->params()[2]);
342 // Else :nick!user@host JOIN #channelname
344 bool handledByNetsplit = false;
345 foreach(Netsplit* n, _netsplits.value(e->network())) {
346 handledByNetsplit = n->userJoined(e->prefix(), channel);
347 if (handledByNetsplit)
351 // If using away-notify, check new users. Works around buggy IRC servers
352 // forgetting to send :away messages for users who join channels when away.
353 if (net->capEnabled(IrcCap::AWAY_NOTIFY)) {
354 net->queueAutoWhoOneshot(ircuser->nick());
357 if (!handledByNetsplit)
358 ircuser->joinChannel(channel);
360 e->setFlag(EventManager::Netsplit);
362 if (net->isMe(ircuser)) {
363 net->setChannelJoined(channel);
365 net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely
370 void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e)
372 if (checkParamCount(e, 2)) {
373 e->network()->updateNickFromMask(e->prefix());
374 IrcUser *victim = e->network()->ircUser(e->params().at(1));
376 victim->partChannel(e->params().at(0));
377 //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel);
383 void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e)
385 if (!checkParamCount(e, 2))
388 if (e->network()->isChannelName(e->params().first())) {
391 IrcChannel *channel = e->network()->ircChannel(e->params()[0]);
393 // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that
394 // anyways: we don't have a place to store the data --> discard the info.
398 QString modes = e->params()[1];
401 for (int c = 0; c < modes.length(); c++) {
402 if (modes[c] == '+') {
406 if (modes[c] == '-') {
411 if (e->network()->prefixModes().contains(modes[c])) {
412 // user channel modes (op, voice, etc...)
413 if (paramOffset < e->params().count()) {
414 IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]);
416 qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset];
420 bool handledByNetsplit = false;
421 QHash<QString, Netsplit *> splits = _netsplits.value(e->network());
422 foreach(Netsplit* n, _netsplits.value(e->network())) {
423 handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name());
424 if (handledByNetsplit) {
425 n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c]));
429 if (!handledByNetsplit)
430 channel->addUserMode(ircUser, QString(modes[c]));
433 channel->removeUserMode(ircUser, QString(modes[c]));
437 qWarning() << "Received MODE with too few parameters:" << e->params();
442 // regular channel modes
444 Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]);
445 if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) {
446 if (paramOffset < e->params().count()) {
447 value = e->params()[paramOffset];
450 qWarning() << "Received MODE with too few parameters:" << e->params();
456 channel->addChannelMode(modes[c], value);
458 channel->removeChannelMode(modes[c], value);
464 IrcUser *ircUser = e->network()->newIrcUser(e->params().first());
465 QString modeString(e->params()[1]);
469 for (int c = 0; c < modeString.count(); c++) {
470 if (modeString[c] == '+') {
474 if (modeString[c] == '-') {
479 addModes += modeString[c];
481 removeModes += modeString[c];
483 if (!addModes.isEmpty())
484 ircUser->addUserModes(addModes);
485 if (!removeModes.isEmpty())
486 ircUser->removeUserModes(removeModes);
488 if (e->network()->isMe(ircUser)) {
489 coreNetwork(e)->updatePersistentModes(addModes, removeModes);
495 void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e)
497 if (checkParamCount(e, 1)) {
498 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
500 qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
503 QString newnick = e->params().at(0);
504 QString oldnick = ircuser->nick();
506 // the order is cruicial
507 // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore
508 // and remove the ircuser from the querybuffer leading to a wrong on/offline state
509 ircuser->setNick(newnick);
510 coreSession()->renameBuffer(e->networkId(), newnick, oldnick);
515 void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e)
517 if (checkParamCount(e, 1)) {
518 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
520 qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
523 QString channel = e->params().at(0);
524 ircuser->partChannel(channel);
525 if (e->network()->isMe(ircuser))
526 qobject_cast<CoreNetwork *>(e->network())->setChannelParted(channel);
531 void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e)
533 QString param = e->params().count() ? e->params().first() : QString();
535 // Take priority so this won't get stuck behind other queued messages.
536 coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param), true);
540 void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e)
542 // the server is supposed to send back what we passed as param. and we send a timestamp
543 // but using quote and whatnought one can send arbitrary pings, so we have to do some sanity checks
544 if (checkParamCount(e, 2)) {
545 QString timestamp = e->params().at(1);
546 QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz");
547 if (sendTime.isValid())
548 e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2);
553 void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e)
555 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
560 if (e->params().count() > 0)
561 msg = e->params()[0];
564 if (Netsplit::isNetsplit(msg)) {
566 if (!_netsplits[e->network()].contains(msg)) {
567 n = new Netsplit(e->network(), this);
568 connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished()));
569 connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)),
570 this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString)));
571 connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)),
572 this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString)));
573 connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)),
574 this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList)));
575 _netsplits[e->network()].insert(msg, n);
578 n = _netsplits[e->network()][msg];
580 // add this user to the netsplit
581 n->userQuit(e->prefix(), ircuser->channels(), msg);
582 e->setFlag(EventManager::Netsplit);
584 // normal quit is handled in lateProcessIrcEventQuit()
588 void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e)
590 if (e->testFlag(EventManager::Netsplit))
593 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
601 void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e)
603 if (checkParamCount(e, 2)) {
604 e->network()->updateNickFromMask(e->prefix());
605 IrcChannel *channel = e->network()->ircChannel(e->params().at(0));
607 channel->setTopic(e->params().at(1));
613 void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e)
615 if (!Cipher::neededFeaturesAvailable()) {
616 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()));
619 CoreNetwork *net = qobject_cast<CoreNetwork*>(e->network());
620 Cipher *c = net->cipher(e->target());
621 if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?)
624 if (e->exchangeType() == KeyEvent::Init) {
625 QByteArray pubKey = c->parseInitKeyX(e->key());
626 if (pubKey.isEmpty()) {
627 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()));
630 net->setCipherKey(e->target(), c->key());
631 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()));
633 p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey;
634 net->putCmd("NOTICE", p);
637 if (c->parseFinishKeyX(e->key())) {
638 net->setCipherKey(e->target(), c->key());
639 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()));
641 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()));
649 void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e)
651 e->network()->setCurrentServer(e->prefix());
652 e->network()->setMyNick(e->target());
657 // TODO Complete 005 handling, also use sensible defaults for non-sent stuff
658 void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e)
660 if (!checkParamCount(e, 1))
664 for (int i = 0; i < e->params().count() - 1; i++) {
665 QString key = e->params()[i].section("=", 0, 0);
666 QString value = e->params()[i].section("=", 1);
667 e->network()->addSupport(key, value);
670 /* determine our prefixes here to get an accurate result */
671 e->network()->determinePrefixes();
675 /* RPL_UMODEIS - "<user_modes> [<user_mode_params>]" */
676 void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *)
678 // TODO: save information in network object
682 /* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */
683 void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *)
685 // TODO: save information in network object
689 /* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */
690 void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *)
692 // TODO: save information in network object
696 /* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */
697 void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *)
699 // TODO: save information in network object
705 Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message.
707 "<nick> :<away message>"
709 Replies 352 and 315 paired are used to answer a WHO message.
712 Replies 314 and 369 are responses to a WHOWAS message.
716 /* RPL_AWAY - "<nick> :<away message>" */
717 void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e)
719 if (!checkParamCount(e, 2))
722 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
724 ircuser->setAway(true);
725 ircuser->setAwayMessage(e->params().at(1));
726 //ircuser->setLastAwayMessage(now);
731 /* RPL_UNAWAY - ":You are no longer marked as being away" */
732 void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e)
734 IrcUser *me = e->network()->me();
738 if (e->network()->autoAwayActive()) {
739 e->network()->setAutoAwayActive(false);
740 e->setFlag(EventManager::Silent);
745 /* RPL_NOWAWAY - ":You have been marked as being away" */
746 void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e)
748 IrcUser *me = e->network()->me();
754 /* RPL_WHOISSERVICE - "<user> is registered nick" */
755 void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e)
757 if (!checkParamCount(e, 1))
760 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
762 ircuser->setWhoisServiceReply(e->params().join(" "));
766 /* RPL_SUSERHOST - "<user> is available for help." */
767 void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e)
769 if (!checkParamCount(e, 1))
772 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
774 ircuser->setSuserHost(e->params().join(" "));
778 /* RPL_WHOISUSER - "<nick> <user> <host> * :<real name>" */
779 void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e)
781 if (!checkParamCount(e, 3))
784 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
786 ircuser->setUser(e->params().at(1));
787 ircuser->setHost(e->params().at(2));
788 ircuser->setRealName(e->params().last());
793 /* RPL_WHOISSERVER - "<nick> <server> :<server info>" */
794 void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e)
796 if (!checkParamCount(e, 2))
799 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
801 ircuser->setServer(e->params().at(1));
805 /* RPL_WHOISOPERATOR - "<nick> :is an IRC operator" */
806 void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e)
808 if (!checkParamCount(e, 1))
811 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
813 ircuser->setIrcOperator(e->params().last());
817 /* RPL_ENDOFWHO: "<name> :End of WHO list" */
818 void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e)
820 if (!checkParamCount(e, 1))
823 if (coreNetwork(e)->setAutoWhoDone(e->params()[0]))
824 e->setFlag(EventManager::Silent);
828 /* RPL_WHOISIDLE - "<nick> <integer> :seconds idle"
829 (real life: "<nick> <integer> <integer> :seconds idle, signon time) */
830 void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e)
832 if (!checkParamCount(e, 2))
837 int idleSecs = e->params()[1].toInt();
838 if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation
839 int logintime = e->params()[2].toInt();
840 loginTime = QDateTime::fromTime_t(logintime);
843 IrcUser *ircuser = e->network()->ircUser(e->params()[0]);
845 ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs));
846 if (loginTime.isValid())
847 ircuser->setLoginTime(loginTime);
852 /* RPL_LIST - "<channel> <# visible> :<topic>" */
853 void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e)
855 if (!checkParamCount(e, 1))
859 quint32 userCount = 0;
862 switch (e->params().count()) {
864 topic = e->params()[2];
866 userCount = e->params()[1].toUInt();
868 channelName = e->params()[0];
872 if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic))
873 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
877 /* RPL_LISTEND ":End of LIST" */
878 void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e)
880 if (!checkParamCount(e, 1))
883 if (coreSession()->ircListHelper()->endOfChannelList(e->networkId()))
884 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
888 /* RPL_CHANNELMODEIS - "<channel> <mode> <mode params>" */
889 void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e)
891 processIrcEventMode(e);
895 /* RPL_WHOISACCOUNT - "<nick> <account> :is authed as" */
896 void CoreSessionEventProcessor::processIrcEvent330(IrcEvent *e)
898 // Though the ":is authed as" remark should always be there, we should handle cases when it's
899 // not included, too.
900 if (!checkParamCount(e, 2))
903 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
905 ircuser->setAccount(e->params().at(1));
911 void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e)
913 if (!checkParamCount(e, 1))
916 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
918 chan->setTopic(QString());
923 void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e)
925 if (!checkParamCount(e, 2))
928 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
930 chan->setTopic(e->params()[1]);
934 /* RPL_WHOREPLY: "<channel> <user> <host> <server> <nick>
935 ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] :<hopcount> <real name>" */
936 void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e)
938 if (!checkParamCount(e, 6))
941 QString channel = e->params()[0];
942 IrcUser *ircuser = e->network()->ircUser(e->params()[4]);
944 processWhoInformation(e->network(), channel, ircuser, e->params()[3], e->params()[1],
945 e->params()[2], e->params()[5], e->params().last().section(" ", 1));
948 // Check if channel name has a who in progress.
949 // If not, then check if user nick exists and has a who in progress.
950 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
951 (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
952 e->setFlag(EventManager::Silent);
958 void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e)
960 if (!checkParamCount(e, 3))
963 // param[0] is either "=", "*" or "@" indicating a public, private or secret channel
964 // we don't use this information at the time beeing
965 QString channelname = e->params()[1];
967 IrcChannel *channel = e->network()->ircChannel(channelname);
969 qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname;
976 // Cache result of multi-prefix to avoid unneeded casts and lookups with each iteration.
977 bool _useCapMultiPrefix = coreNetwork(e)->capEnabled(IrcCap::MULTI_PREFIX);
979 foreach(QString nick, e->params()[2].split(' ', QString::SkipEmptyParts)) {
982 if (_useCapMultiPrefix) {
983 // If multi-prefix is enabled, all modes will be sent in NAMES replies.
984 // :hades.arpa 353 guest = #tethys :~&@%+aji &@Attila @+alyx +KindOne Argure
985 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
986 while (e->network()->prefixes().contains(nick[0])) {
987 // Mode found in 1 left-most character, add it to the list.
988 // Note: sending multiple modes may cause a warning in older clients.
989 // In testing, the clients still seemed to function fine.
990 mode.append(e->network()->prefixToMode(nick[0]));
991 // Remove this mode from the nick
992 nick = nick.remove(0, 1);
994 } else if (e->network()->prefixes().contains(nick[0])) {
995 // Multi-prefix is disabled and a mode prefix was found.
996 mode = e->network()->prefixToMode(nick[0]);
1000 // If userhost-in-names capability is enabled, the following will be
1001 // in the form "nick!user@host" rather than "nick". This works without
1002 // special handling as the following use nickFromHost() as needed.
1003 // See: http://ircv3.net/specs/extensions/userhost-in-names-3.2.html
1009 channel->joinIrcUsers(nicks, modes);
1013 /* RPL_WHOSPCRPL: "<yournick> 152 #<channel> ~<ident> <host> <servname> <nick>
1014 ("H"/ "G") <account> :<realname>"
1015 <channel> is * if not specific to any channel
1016 <account> is * if not logged in
1017 Follows HexChat's usage of 'whox'
1018 See https://github.com/hexchat/hexchat/blob/c874a9525c9b66f1d5ddcf6c4107d046eba7e2c5/src/common/proto-irc.c#L750
1019 And http://faerion.sourceforge.net/doc/irc/whox.var*/
1020 void CoreSessionEventProcessor::processIrcEvent354(IrcEvent *e)
1022 // First only check if at least one parameter exists. Otherwise, it'll stop the result from
1023 // being shown if the user chooses different parameters.
1024 if (!checkParamCount(e, 1))
1027 if (e->params()[0].toUInt() != IrcCap::ACCOUNT_NOTIFY_WHOX_NUM) {
1028 // Ignore WHOX replies without expected number for we have no idea what fields are specified
1032 // Now we're fairly certain this is supposed to be an automated WHOX. Bail out if it doesn't
1033 // match what we require - 9 parameters.
1034 if (!checkParamCount(e, 9))
1037 QString channel = e->params()[1];
1038 IrcUser *ircuser = e->network()->ircUser(e->params()[5]);
1040 processWhoInformation(e->network(), channel, ircuser, e->params()[4], e->params()[2],
1041 e->params()[3], e->params()[6], e->params().last());
1042 // Don't use .section(" ", 1) with WHOX replies, for there's no hopcount to trim out
1044 // As part of IRCv3 account-notify, check account name
1045 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
1046 QString newAccount = e->params()[7];
1047 if (newAccount != "0") {
1048 // Account logged in, set account name
1049 ircuser->setAccount(newAccount);
1051 // Account logged out, set account name to logged-out
1052 ircuser->setAccount("*");
1056 // Check if channel name has a who in progress.
1057 // If not, then check if user nick exists and has a who in progress.
1058 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
1059 (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
1060 e->setFlag(EventManager::Silent);
1065 void CoreSessionEventProcessor::processWhoInformation (Network *net, const QString &targetChannel, IrcUser *ircUser,
1066 const QString &server, const QString &user, const QString &host,
1067 const QString &awayStateAndModes, const QString &realname)
1069 ircUser->setUser(user);
1070 ircUser->setHost(host);
1071 ircUser->setServer(server);
1072 ircUser->setRealName(realname);
1074 bool away = awayStateAndModes.contains("G", Qt::CaseInsensitive);
1075 ircUser->setAway(away);
1077 if (net->capEnabled(IrcCap::MULTI_PREFIX)) {
1078 // If multi-prefix is enabled, all modes will be sent in WHO replies.
1079 // :kenny.chatspike.net 352 guest #test grawity broken.symlink *.chatspike.net grawity H@%+ :0 Mantas M.
1080 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
1081 QString uncheckedModes = awayStateAndModes;
1082 QString validModes = QString();
1083 while (!uncheckedModes.isEmpty()) {
1084 // Mode found in 1 left-most character, add it to the list
1085 if (net->prefixes().contains(uncheckedModes[0])) {
1086 validModes.append(net->prefixToMode(uncheckedModes[0]));
1088 // Remove this mode from the list of unchecked modes
1089 uncheckedModes = uncheckedModes.remove(0, 1);
1092 // Some IRC servers decide to not follow the spec, returning only -some- of the user
1093 // modes in WHO despite listing them all in NAMES. For now, assume it can only add
1094 // and not take away. *sigh*
1095 if (!validModes.isEmpty()) {
1096 if (targetChannel != "*") {
1097 // Channel-specific modes received, apply to given channel only
1098 IrcChannel *ircChan = net->ircChannel(targetChannel);
1100 // Do one mode at a time
1101 // TODO Better way of syncing this without breaking protocol?
1102 for (int i = 0; i < validModes.count(); ++i) {
1103 ircChan->addUserMode(ircUser, validModes.at(i));
1107 // Modes apply to the user everywhere
1108 ircUser->addUserModes(validModes);
1115 /* ERR_NOSUCHCHANNEL - "<channel name> :No such channel" */
1116 void CoreSessionEventProcessor::processIrcEvent403(IrcEventNumeric *e)
1118 // If this is the result of an AutoWho, hide it. It's confusing to show to the user.
1119 // Though the ":No such channel" remark should always be there, we should handle cases when it's
1120 // not included, too.
1121 if (!checkParamCount(e, 1))
1124 QString channelOrNick = e->params()[0];
1125 // Check if channel name has a who in progress.
1126 // If not, then check if user nick exists and has a who in progress.
1127 if (coreNetwork(e)->isAutoWhoInProgress(channelOrNick)) {
1128 qDebug() << "Channel/nick" << channelOrNick << "no longer exists during AutoWho, ignoring";
1129 e->setFlag(EventManager::Silent);
1133 /* ERR_ERRONEUSNICKNAME */
1134 void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e)
1136 if (!checkParamCount(e, 1))
1140 if (e->params().count() < 2) {
1141 // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase:
1143 // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters
1144 // correct server reply:
1145 // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters
1146 e->params().prepend(e->target());
1149 errnick = e->params()[0];
1151 tryNextNick(e, errnick, true /* erroneus */);
1155 /* ERR_NICKNAMEINUSE */
1156 void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e)
1158 if (!checkParamCount(e, 1))
1161 QString errnick = e->params().first();
1163 // if there is a problem while connecting to the server -> we handle it
1164 // but only if our connection has not been finished yet...
1165 if (!e->network()->currentServer().isEmpty())
1168 tryNextNick(e, errnick);
1172 /* ERR_UNAVAILRESOURCE */
1173 void CoreSessionEventProcessor::processIrcEvent437(IrcEventNumeric *e)
1175 if (!checkParamCount(e, 1))
1178 QString errnick = e->params().first();
1180 // if there is a problem while connecting to the server -> we handle it
1181 // but only if our connection has not been finished yet...
1182 if (!e->network()->currentServer().isEmpty())
1185 if (!e->network()->isChannelName(errnick))
1186 tryNextNick(e, errnick);
1191 void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) {
1192 if(!checkParamCount(e, 1))
1198 /* Handle signals from Netsplit objects */
1200 void CoreSessionEventProcessor::handleNetsplitJoin(Network *net,
1201 const QString &channel,
1202 const QStringList &users,
1203 const QStringList &modes,
1204 const QString &quitMessage)
1206 IrcChannel *ircChannel = net->ircChannel(channel);
1210 QList<IrcUser *> ircUsers;
1211 QStringList newModes = modes;
1212 QStringList newUsers = users;
1214 foreach(const QString &user, users) {
1215 IrcUser *iu = net->ircUser(nickFromMask(user));
1217 ircUsers.append(iu);
1218 else { // the user already quit
1219 int idx = users.indexOf(user);
1220 newUsers.removeAt(idx);
1221 newModes.removeAt(idx);
1225 ircChannel->joinIrcUsers(ircUsers, newModes);
1226 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage);
1227 emit newEvent(event);
1231 void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage)
1233 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage);
1234 emit newEvent(event);
1235 foreach(QString user, users) {
1236 IrcUser *iu = net->ircUser(nickFromMask(user));
1243 void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes)
1245 IrcChannel *ircChannel = net->ircChannel(channel);
1247 qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid";
1250 QList<NetworkEvent *> events;
1251 QList<IrcUser *> ircUsers;
1252 QStringList newModes = modes;
1254 foreach(QString user, users) {
1255 IrcUser *iu = net->updateNickFromMask(user);
1257 ircUsers.append(iu);
1258 // fake event for scripts that consume join events
1259 events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel);
1262 newModes.removeAt(users.indexOf(user));
1265 ircChannel->joinIrcUsers(ircUsers, newModes);
1266 foreach(NetworkEvent *event, events) {
1267 event->setFlag(EventManager::Fake); // ignore this in here!
1268 emit newEvent(event);
1273 void CoreSessionEventProcessor::handleNetsplitFinished()
1275 Netsplit *n = qobject_cast<Netsplit *>(sender());
1277 QHash<QString, Netsplit *> splithash = _netsplits.take(n->network());
1278 splithash.remove(splithash.key(n));
1279 if (splithash.count())
1280 _netsplits[n->network()] = splithash;
1285 void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId)
1287 Network *net = coreSession()->network(netId);
1291 QHash<QString, Netsplit *> splits = _netsplits.take(net);
1296 /*******************************/
1297 /******** CTCP HANDLING ********/
1298 /*******************************/
1300 void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e)
1302 if (e->testFlag(EventManager::Self))
1303 return; // ignore ctcp events generated by user input
1305 if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query)
1308 handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e));
1312 void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e)
1314 // This handler is only there to avoid warnings for unknown CTCPs
1320 void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e)
1322 // This handler is only there to feed CLIENTINFO
1327 void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e)
1329 QStringList supportedHandlers;
1330 foreach(QString handler, providesHandlers())
1331 supportedHandlers << handler.toUpper();
1332 qSort(supportedHandlers);
1333 e->setReply(supportedHandlers.join(" "));
1337 // http://www.irchelp.org/irchelp/rfc/ctcpspec.html
1338 // http://en.wikipedia.org/wiki/Direct_Client-to-Client
1339 void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e)
1341 // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in
1342 if (!Quassel::isOptionSet("enable-experimental-dcc")) {
1343 quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
1347 // normal: SEND <filename> <ip> <port> [<filesize>]
1348 // reverse: SEND <filename> <ip> 0 <filesize> <token>
1349 QStringList params = e->param().split(' ');
1350 if (params.count()) {
1351 QString cmd = params[0].toUpper();
1352 if (cmd == "SEND") {
1353 if (params.count() < 4) {
1354 qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client
1357 QString filename = params[1];
1358 QHostAddress address;
1359 quint16 port = params[3].toUShort();
1361 QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon)
1362 if (numIp.contains(':')) { // IPv6
1363 if (!address.setAddress(numIp)) {
1364 qWarning() << "Invalid IPv6:" << numIp;
1369 address.setAddress(numIp.toUInt());
1372 if (port == 0) { // Reverse DCC is indicated by a 0 port
1373 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp()));
1377 qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok
1381 if (params.count() > 4) { // filesize is optional
1382 size = params[4].toULong();
1385 // TODO: check if target is the right thing to use for the partner
1386 CoreTransfer *transfer = new CoreTransfer(Transfer::Direction::Receive, e->target(), filename, address, port, size, this);
1387 coreSession()->signalProxy()->synchronize(transfer);
1388 coreSession()->transferManager()->addTransfer(transfer);
1391 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp()));
1398 void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e)
1400 e->setReply(e->param().isNull() ? "" : e->param());
1404 void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e)
1406 e->setReply(QDateTime::currentDateTime().toString());
1410 void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
1412 e->setReply(QString("Quassel IRC %1 (built on %2) -- http://www.quassel-irc.org")
1413 .arg(Quassel::buildInfo().plainVersionString).arg(Quassel::buildInfo().commitDate));