1 /***************************************************************************
2 * Copyright (C) 2005-2018 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"
31 #include "logmessage.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
159 // All commands require at least 2 parameters
160 if (!checkParamCount(e, 2))
163 CoreNetwork *coreNet = coreNetwork(e);
164 QString capCommand = e->params().at(1).trimmed().toUpper();
165 if (capCommand == "LS" || capCommand == "NEW") {
166 // Either we've gotten a list of capabilities, or new capabilities we may want
167 // Server: CAP * LS * :multi-prefix extended-join account-notify batch invite-notify tls
168 // Server: CAP * LS * :cap-notify server-time example.org/dummy-cap=dummyvalue example.org/second-dummy-cap
169 // Server: CAP * LS :userhost-in-names sasl=EXTERNAL,DH-AES,DH-BLOWFISH,ECDSA-NIST256P-CHALLENGE,PLAIN
170 bool capListFinished;
171 QStringList availableCaps;
172 if (e->params().count() == 4) {
173 // Middle of multi-line reply, ignore the asterisk
174 capListFinished = false;
175 availableCaps = e->params().at(3).split(' ');
178 capListFinished = true;
179 if (e->params().count() >= 3) {
180 // Some capabilities are specified, add them
181 availableCaps = e->params().at(2).split(' ');
183 // No capabilities available, add an empty list
184 availableCaps = QStringList();
187 // Sort capabilities before requesting for consistency among networks. This may avoid
188 // unexpected cases when some networks offer capabilities in a different order than
189 // others. It also looks nicer in logs. Not required.
190 availableCaps.sort();
191 // Store what capabilities are available
192 QString availableCapName, availableCapValue;
193 for (int i = 0; i < availableCaps.count(); ++i) {
194 // Capability may include values, e.g. CAP * LS :multi-prefix sasl=EXTERNAL
195 // Capability name comes before the first '='. If no '=' exists, this gets the
196 // whole string instead.
197 availableCapName = availableCaps[i].section('=', 0, 0).trimmed();
198 // Some capabilities include multiple key=value pairs in the listing,
199 // e.g. "sts=duration=31536000,port=6697"
200 // Include everything after the first equal sign as part of the value. If no '='
201 // exists, this gets an empty string.
202 availableCapValue = availableCaps[i].section('=', 1).trimmed();
203 // Only add the capability if it's non-empty
204 if (!availableCapName.isEmpty()) {
205 coreNet->addCap(availableCapName, availableCapValue);
209 // Begin capability requests when capability listing complete
211 coreNet->beginCapNegotiation();
212 } else if (capCommand == "ACK") {
213 // CAP ACK requires at least 3 parameters (no empty response allowed)
214 if (!checkParamCount(e, 3)) {
215 // If an invalid reply is sent, try to continue rather than getting stuck.
216 coreNet->sendNextCap();
220 // Server: CAP * ACK :multi-prefix sasl
221 // Got the capabilities we want, handle as needed.
222 QStringList acceptedCaps;
223 acceptedCaps = e->params().at(2).split(' ');
225 // Store what capability was acknowledged
228 // Keep track of whether or not a capability requires further configuration. Due to queuing
229 // logic in CoreNetwork::queueCap(), this shouldn't ever happen when more than one
230 // capability is requested, but it's better to handle edge cases or faulty servers.
231 bool capsRequireConfiguration = false;
233 for (int i = 0; i < acceptedCaps.count(); ++i) {
234 acceptedCap = acceptedCaps[i].trimmed().toLower();
235 // Mark this cap as accepted
236 coreNet->acknowledgeCap(acceptedCap);
237 if (!capsRequireConfiguration &&
238 coreNet->capsRequiringConfiguration.contains(acceptedCap)) {
239 capsRequireConfiguration = true;
240 // Some capabilities (e.g. SASL) require further messages to finish. If so, do NOT
241 // send the next capability; it will be handled elsewhere in CoreNetwork.
242 // Otherwise, allow moving on to the next capability.
246 if (!capsRequireConfiguration) {
247 // No additional configuration required, move on to the next capability
248 coreNet->sendNextCap();
250 } else if (capCommand == "NAK" || capCommand == "DEL") {
251 // CAP NAK/DEL require at least 3 parameters (no empty response allowed)
252 if (!checkParamCount(e, 3)) {
253 if (capCommand == "NAK") {
254 // If an invalid reply is sent, try to continue rather than getting stuck. This
255 // only matters for denied caps, not removed caps.
256 coreNet->sendNextCap();
261 // Either something went wrong with the capabilities, or they are no longer supported
263 // Server: CAP * NAK :multi-prefix sasl
265 // Server: :irc.example.com CAP modernclient DEL :multi-prefix sasl
266 // CAP NAK and CAP DEL replies are always single-line
268 QStringList removedCaps;
269 removedCaps = e->params().at(2).split(' ');
271 // Store the capabilities that were denied or removed
273 for (int i = 0; i < removedCaps.count(); ++i) {
274 removedCap = removedCaps[i].trimmed().toLower();
275 // Mark this cap as removed.
276 // For CAP DEL, removes it from use.
277 // For CAP NAK when received before negotiation enabled these capabilities, removeCap()
278 // should do nothing. This merely guards against non-spec servers sending an
279 // unsolicited CAP ACK then later removing that capability.
280 coreNet->removeCap(removedCap);
283 if (capCommand == "NAK") {
284 // Continue negotiation only if this is the result of denied caps, not removed caps
285 if (removedCaps.count() > 1) {
286 // We've received a CAP NAK reply to multiple capabilities at once. Unfortunately,
287 // we don't know which capability failed and which ones are valid to re-request, so
288 // individually retry each capability from the failed bundle.
289 // See CoreNetwork::retryCapsIndividually() for more details.
290 coreNet->retryCapsIndividually();
291 // Still need to call sendNextCap() to carry on.
293 // Carry on with negotiation
294 coreNet->sendNextCap();
299 /* IRCv3 account-notify
300 * Log in: ":nick!user@host ACCOUNT accountname"
301 * Log out: ":nick!user@host ACCOUNT *" */
302 void CoreSessionEventProcessor::processIrcEventAccount(IrcEvent *e)
304 if (!checkParamCount(e, 1))
307 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
309 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
310 // As '*' is used internally to represent logged-out, no need to handle that differently.
311 ircuser->setAccount(e->params().at(0));
313 qDebug() << "Received account-notify data for unknown user" << e->prefix();
317 /* IRCv3 away-notify - ":nick!user@host AWAY [:message]" */
318 void CoreSessionEventProcessor::processIrcEventAway(IrcEvent *e)
320 if (!checkParamCount(e, 1))
322 // Don't use checkParamCount(e, 2) since the message is optional. Some servers respond in a way
323 // that it counts as two parameters, but we shouldn't rely on that.
325 // Nick is sent as part of parameters in order to split user/server decoding
326 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
328 // If two parameters are sent -and- the second parameter isn't empty, then user is away.
329 // Otherwise, mark them as not away.
330 if (e->params().count() >= 2 && !e->params().at(1).isEmpty()) {
331 ircuser->setAway(true);
332 ircuser->setAwayMessage(e->params().at(1));
334 ircuser->setAway(false);
337 qDebug() << "Received away-notify data for unknown user" << e->params().at(0);
341 /* IRCv3 chghost - ":nick!user@host CHGHOST newuser new.host.goes.here" */
342 void CoreSessionEventProcessor::processIrcEventChghost(IrcEvent *e)
344 if (!checkParamCount(e, 2))
347 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
349 // Update with new user/hostname information. setUser/setHost handles checking what
351 ircuser->setUser(e->params().at(0));
352 ircuser->setHost(e->params().at(1));
354 qDebug() << "Received chghost data for unknown user" << e->prefix();
358 void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e)
360 if (checkParamCount(e, 2)) {
361 e->network()->updateNickFromMask(e->prefix());
365 /* JOIN: ":<nick!user@host> JOIN <channel>" */
366 void CoreSessionEventProcessor::processIrcEventJoin(IrcEvent *e)
368 if (e->testFlag(EventManager::Fake)) // generated by handleEarlyNetsplitJoin
371 if (!checkParamCount(e, 1))
374 CoreNetwork *net = coreNetwork(e);
375 QString channel = e->params()[0];
376 IrcUser *ircuser = net->updateNickFromMask(e->prefix());
378 if (net->capEnabled(IrcCap::EXTENDED_JOIN)) {
379 if (e->params().count() < 3) {
380 // Some IRC servers don't send extended-join events in all situations. Rather than
381 // ignore the join entirely, treat it as a regular join with a debug-level log entry.
382 // See: https://github.com/inspircd/inspircd/issues/821
383 qDebug() << "extended-join requires 3 params, got:" << e->params() << ", handling as a "
386 // If logged in, :nick!user@host JOIN #channelname accountname :Real Name
387 // If logged out, :nick!user@host JOIN #channelname * :Real Name
388 // See: http://ircv3.net/specs/extensions/extended-join-3.1.html
389 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
390 // As '*' is used internally to represent logged-out, no need to handle that differently.
391 ircuser->setAccount(e->params()[1]);
392 // Update the user's real name, too
393 ircuser->setRealName(e->params()[2]);
396 // Else :nick!user@host JOIN #channelname
398 bool handledByNetsplit = false;
399 foreach(Netsplit* n, _netsplits.value(e->network())) {
400 handledByNetsplit = n->userJoined(e->prefix(), channel);
401 if (handledByNetsplit)
405 // With "away-notify" enabled, some IRC servers forget to send :away messages for users who join
406 // channels while away. Unfortunately, working around this involves WHO'ng every single user as
407 // they join, which is not very efficient. If at all possible, it's better to get the issue
408 // fixed in the IRC server instead.
410 // If pursuing a workaround instead, this is where you'd do it. Check the version control
411 // history for the commit that added this comment to see how to implement it - there's some
412 // unexpected situations to watch out for!
414 // See https://ircv3.net/specs/extensions/away-notify-3.1.html
416 if (!handledByNetsplit)
417 ircuser->joinChannel(channel);
419 e->setFlag(EventManager::Netsplit);
421 if (net->isMe(ircuser)) {
422 net->setChannelJoined(channel);
423 // Mark the message as Self
424 e->setFlag(EventManager::Self);
426 net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely
431 void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e)
433 if (checkParamCount(e, 2)) {
434 e->network()->updateNickFromMask(e->prefix());
435 IrcUser *victim = e->network()->ircUser(e->params().at(1));
437 victim->partChannel(e->params().at(0));
438 //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel);
444 void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e)
446 if (!checkParamCount(e, 2))
449 if (e->network()->isChannelName(e->params().first())) {
452 IrcChannel *channel = e->network()->ircChannel(e->params()[0]);
454 // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that
455 // anyways: we don't have a place to store the data --> discard the info.
459 QString modes = e->params()[1];
462 for (int c = 0; c < modes.length(); c++) {
463 if (modes[c] == '+') {
467 if (modes[c] == '-') {
472 if (e->network()->prefixModes().contains(modes[c])) {
473 // user channel modes (op, voice, etc...)
474 if (paramOffset < e->params().count()) {
475 IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]);
477 qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset];
481 bool handledByNetsplit = false;
482 QHash<QString, Netsplit *> splits = _netsplits.value(e->network());
483 foreach(Netsplit* n, _netsplits.value(e->network())) {
484 handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name());
485 if (handledByNetsplit) {
486 n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c]));
490 if (!handledByNetsplit)
491 channel->addUserMode(ircUser, QString(modes[c]));
494 channel->removeUserMode(ircUser, QString(modes[c]));
498 qWarning() << "Received MODE with too few parameters:" << e->params();
503 // regular channel modes
505 Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]);
506 if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) {
507 if (paramOffset < e->params().count()) {
508 value = e->params()[paramOffset];
511 qWarning() << "Received MODE with too few parameters:" << e->params();
517 channel->addChannelMode(modes[c], value);
519 channel->removeChannelMode(modes[c], value);
525 IrcUser *ircUser = e->network()->newIrcUser(e->params().first());
526 QString modeString(e->params()[1]);
530 for (int c = 0; c < modeString.count(); c++) {
531 if (modeString[c] == '+') {
535 if (modeString[c] == '-') {
540 addModes += modeString[c];
542 removeModes += modeString[c];
544 if (!addModes.isEmpty())
545 ircUser->addUserModes(addModes);
546 if (!removeModes.isEmpty())
547 ircUser->removeUserModes(removeModes);
549 if (e->network()->isMe(ircUser)) {
550 // Mark the message as Self
551 e->setFlag(EventManager::Self);
552 coreNetwork(e)->updatePersistentModes(addModes, removeModes);
558 void CoreSessionEventProcessor::processIrcEventNick(IrcEvent *e)
560 if (checkParamCount(e, 1)) {
561 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
563 qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
567 if (e->network()->isMe(ircuser)) {
568 // Mark the message as Self
569 e->setFlag(EventManager::Self);
572 // Actual processing is handled in lateProcessIrcEventNick(), this just sets the event flag
577 void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e)
579 if (checkParamCount(e, 1)) {
580 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
582 qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
585 QString newnick = e->params().at(0);
586 QString oldnick = ircuser->nick();
588 // the order is cruicial
589 // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore
590 // and remove the ircuser from the querybuffer leading to a wrong on/offline state
591 ircuser->setNick(newnick);
592 coreSession()->renameBuffer(e->networkId(), newnick, oldnick);
597 void CoreSessionEventProcessor::processIrcEventPart(IrcEvent *e)
599 if (checkParamCount(e, 1)) {
600 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
602 qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
606 if (e->network()->isMe(ircuser)) {
607 // Mark the message as Self
608 e->setFlag(EventManager::Self);
611 // Actual processing is handled in lateProcessIrcEventNick(), this just sets the event flag
616 void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e)
618 if (checkParamCount(e, 1)) {
619 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
621 qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
624 QString channel = e->params().at(0);
625 ircuser->partChannel(channel);
626 if (e->network()->isMe(ircuser)) {
627 qobject_cast<CoreNetwork *>(e->network())->setChannelParted(channel);
633 void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e)
635 QString param = e->params().count() ? e->params().first() : QString();
637 // Take priority so this won't get stuck behind other queued messages.
638 coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param), true);
642 void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e)
644 // Ensure we get at least one parameter
645 if (!checkParamCount(e, 1))
648 // Some IRC servers respond with only one parameter, others respond with two, with the latter
649 // being the text sent. Handle both situations.
651 if (e->params().count() < 2) {
652 // Only one parameter received
653 // :localhost PONG 02:43:49.565
654 timestamp = e->params().at(0);
656 // Two parameters received, pick the second
657 // :localhost PONG localhost :02:43:49.565
658 timestamp = e->params().at(1);
661 // The server is supposed to send back what we passed as parameter, and we send a timestamp.
662 // However, using quote and whatnot, one can send arbitrary pings, and IRC servers may decide to
663 // ignore our requests entirely and send whatever they want, so we have to do some sanity
666 // Attempt to parse the timestamp
667 QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz");
668 if (sendTime.isValid()) {
669 // Mark IRC server as sending valid ping replies
670 if (!coreNetwork(e)->isPongTimestampValid()) {
671 coreNetwork(e)->setPongTimestampValid(true);
672 // Add a message the first time it happens
673 qDebug().nospace() << "Received PONG with valid timestamp, marking pong replies on "
675 << "\"" << qPrintable(e->network()->networkName()) << "\" (ID: "
676 << qPrintable(QString::number(e->network()->networkId().toInt()))
677 << ") as usable for latency measurement";
679 // Remove pending flag
680 coreNetwork(e)->resetPongReplyPending();
682 // Don't show this in the UI
683 e->setFlag(EventManager::Silent);
684 // TODO: To allow for a user-sent /ping (without arguments, so default timestamp is used),
685 // this could track how many automated PINGs have been sent by the core and subtract one
686 // each time, only marking the PING as silent if there's pending automated pong replies.
687 // However, that's a behavior change which warrants further testing. For now, take the
688 // simpler, previous approach that errs on the side of silencing too much.
690 // Calculate latency from time difference, divided by 2 to account for round-trip time
691 e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2);
692 } else if (coreNetwork(e)->isPongReplyPending() && !coreNetwork(e)->isPongTimestampValid()) {
693 // There's an auto-PING reply pending and we've not yet received a PONG reply with a valid
694 // timestamp. It's possible this server will never respond with a valid timestamp, and thus
695 // any automated PINGs will result in unwanted spamming of the server buffer.
697 // Don't show this in the UI
698 e->setFlag(EventManager::Silent);
699 // Remove pending flag
700 coreNetwork(e)->resetPongReplyPending();
703 qDebug().nospace() << "Received PONG with invalid timestamp from network "
704 << "\"" << qPrintable(e->network()->networkName()) << "\" (ID: "
705 << qPrintable(QString::number(e->network()->networkId().toInt()))
706 << "), silencing, parameters are " << e->params();
708 // else: We're not expecting a PONG reply and timestamp is not valid, assume it's from the user
712 void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e)
714 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
718 if (e->network()->isMe(ircuser)) {
719 // Mark the message as Self
720 e->setFlag(EventManager::Self);
724 if (e->params().count() > 0)
725 msg = e->params()[0];
728 if (Netsplit::isNetsplit(msg)) {
730 if (!_netsplits[e->network()].contains(msg)) {
731 n = new Netsplit(e->network(), this);
732 connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished()));
733 connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)),
734 this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString)));
735 connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)),
736 this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString)));
737 connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)),
738 this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList)));
739 _netsplits[e->network()].insert(msg, n);
742 n = _netsplits[e->network()][msg];
744 // add this user to the netsplit
745 n->userQuit(e->prefix(), ircuser->channels(), msg);
746 e->setFlag(EventManager::Netsplit);
748 // normal quit is handled in lateProcessIrcEventQuit()
752 void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e)
754 if (e->testFlag(EventManager::Netsplit))
757 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
765 void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e)
767 if (checkParamCount(e, 2)) {
768 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
770 if (e->network()->isMe(ircuser)) {
771 // Mark the message as Self
772 e->setFlag(EventManager::Self);
775 IrcChannel *channel = e->network()->ircChannel(e->params().at(0));
777 channel->setTopic(e->params().at(1));
781 /* ERROR - "ERROR :reason"
782 Example: ERROR :Closing Link: nickname[xxx.xxx.xxx.xxx] (Large base64 image paste.)
783 See https://tools.ietf.org/html/rfc2812#section-3.7.4 */
784 void CoreSessionEventProcessor::processIrcEventError(IrcEvent *e)
786 if (!checkParamCount(e, 1))
789 if (coreNetwork(e)->disconnectExpected()) {
790 // During QUIT, the server should send an error (often, but not always, "Closing Link"). As
791 // we're expecting it, don't show this to the user.
792 e->setFlag(EventManager::Silent);
798 void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e)
800 if (!Cipher::neededFeaturesAvailable()) {
801 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()));
804 CoreNetwork *net = qobject_cast<CoreNetwork*>(e->network());
805 Cipher *c = net->cipher(e->target());
806 if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?)
809 if (e->exchangeType() == KeyEvent::Init) {
810 QByteArray pubKey = c->parseInitKeyX(e->key());
811 if (pubKey.isEmpty()) {
812 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()));
815 net->setCipherKey(e->target(), c->key());
816 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()));
818 p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey;
819 net->putCmd("NOTICE", p);
822 if (c->parseFinishKeyX(e->key())) {
823 net->setCipherKey(e->target(), c->key());
824 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()));
826 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()));
834 void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e)
836 e->network()->setCurrentServer(e->prefix());
837 e->network()->setMyNick(e->target());
842 // TODO Complete 005 handling, also use sensible defaults for non-sent stuff
843 void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e)
845 if (!checkParamCount(e, 1))
849 for (int i = 0; i < e->params().count() - 1; i++) {
850 QString key = e->params()[i].section("=", 0, 0);
851 QString value = e->params()[i].section("=", 1);
852 e->network()->addSupport(key, value);
855 /* determine our prefixes here to get an accurate result */
856 e->network()->determinePrefixes();
860 /* RPL_UMODEIS - "<user_modes> [<user_mode_params>]" */
861 void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *)
863 // TODO: save information in network object
867 /* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */
868 void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *)
870 // TODO: save information in network object
874 /* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */
875 void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *)
877 // TODO: save information in network object
881 /* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */
882 void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *)
884 // TODO: save information in network object
890 Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message.
892 "<nick> :<away message>"
894 Replies 352 and 315 paired are used to answer a WHO message.
897 Replies 314 and 369 are responses to a WHOWAS message.
901 /* RPL_AWAY - "<nick> :<away message>" */
902 void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e)
904 if (!checkParamCount(e, 2))
907 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
909 ircuser->setAway(true);
910 ircuser->setAwayMessage(e->params().at(1));
911 // lastAwayMessageTime is set in EventStringifier::processIrcEvent301(), no need to set it
913 //ircuser->setLastAwayMessageTime(now);
918 /* RPL_UNAWAY - ":You are no longer marked as being away" */
919 void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e)
921 IrcUser *me = e->network()->me();
925 if (e->network()->autoAwayActive()) {
926 e->network()->setAutoAwayActive(false);
927 e->setFlag(EventManager::Silent);
932 /* RPL_NOWAWAY - ":You have been marked as being away" */
933 void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e)
935 IrcUser *me = e->network()->me();
941 /* RPL_WHOISSERVICE - "<user> is registered nick" */
942 void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e)
944 if (!checkParamCount(e, 1))
947 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
949 ircuser->setWhoisServiceReply(e->params().join(" "));
953 /* RPL_SUSERHOST - "<user> is available for help." */
954 void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e)
956 if (!checkParamCount(e, 1))
959 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
961 ircuser->setSuserHost(e->params().join(" "));
965 /* RPL_WHOISUSER - "<nick> <user> <host> * :<real name>" */
966 void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e)
968 if (!checkParamCount(e, 3))
971 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
973 ircuser->setUser(e->params().at(1));
974 ircuser->setHost(e->params().at(2));
975 ircuser->setRealName(e->params().last());
980 /* RPL_WHOISSERVER - "<nick> <server> :<server info>" */
981 void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e)
983 if (!checkParamCount(e, 2))
986 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
988 ircuser->setServer(e->params().at(1));
992 /* RPL_WHOISOPERATOR - "<nick> :is an IRC operator" */
993 void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e)
995 if (!checkParamCount(e, 1))
998 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
1000 ircuser->setIrcOperator(e->params().last());
1004 /* RPL_ENDOFWHO: "<name> :End of WHO list" */
1005 void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e)
1007 if (!checkParamCount(e, 1))
1010 if (coreNetwork(e)->setAutoWhoDone(e->params()[0]))
1011 e->setFlag(EventManager::Silent);
1015 /* RPL_WHOISIDLE - "<nick> <integer> :seconds idle"
1016 (real life: "<nick> <integer> <integer> :seconds idle, signon time) */
1017 void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e)
1019 if (!checkParamCount(e, 2))
1022 QDateTime loginTime;
1024 int idleSecs = e->params()[1].toInt();
1025 if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation
1026 // Allow for 64-bit time
1027 qint64 logintime = e->params()[2].toLongLong();
1028 // Time in IRC protocol is defined as seconds. Convert from seconds instead.
1029 // See https://doc.qt.io/qt-5/qdatetime.html#fromSecsSinceEpoch
1030 #if QT_VERSION >= 0x050800
1031 loginTime = QDateTime::fromSecsSinceEpoch(logintime);
1033 // fromSecsSinceEpoch() was added in Qt 5.8. Manually downconvert to seconds for
1035 // See https://doc.qt.io/qt-5/qdatetime.html#fromMSecsSinceEpoch
1036 loginTime = QDateTime::fromMSecsSinceEpoch((qint64)(logintime * 1000));
1040 IrcUser *ircuser = e->network()->ircUser(e->params()[0]);
1042 ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs));
1043 if (loginTime.isValid())
1044 ircuser->setLoginTime(loginTime);
1049 /* RPL_LIST - "<channel> <# visible> :<topic>" */
1050 void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e)
1052 if (!checkParamCount(e, 1))
1055 QString channelName;
1056 quint32 userCount = 0;
1059 switch (e->params().count()) {
1061 topic = e->params()[2];
1064 userCount = e->params()[1].toUInt();
1067 channelName = e->params()[0];
1072 if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic))
1073 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
1077 /* RPL_LISTEND ":End of LIST" */
1078 void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e)
1080 if (!checkParamCount(e, 1))
1083 if (coreSession()->ircListHelper()->endOfChannelList(e->networkId()))
1084 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
1088 /* RPL_CHANNELMODEIS - "<channel> <mode> <mode params>" */
1089 void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e)
1091 processIrcEventMode(e);
1095 /* RPL_WHOISACCOUNT - "<nick> <account> :is authed as" */
1096 void CoreSessionEventProcessor::processIrcEvent330(IrcEvent *e)
1098 // Though the ":is authed as" remark should always be there, we should handle cases when it's
1099 // not included, too.
1100 if (!checkParamCount(e, 2))
1103 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
1105 ircuser->setAccount(e->params().at(1));
1111 void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e)
1113 if (!checkParamCount(e, 1))
1116 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
1118 chan->setTopic(QString());
1123 void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e)
1125 if (!checkParamCount(e, 2))
1128 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
1130 chan->setTopic(e->params()[1]);
1134 /* RPL_WHOREPLY: "<channel> <user> <host> <server> <nick>
1135 ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] :<hopcount> <real name>" */
1136 void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e)
1138 if (!checkParamCount(e, 6))
1141 QString channel = e->params()[0];
1142 IrcUser *ircuser = e->network()->ircUser(e->params()[4]);
1144 // Only process the WHO information if an IRC user exists. Don't create an IRC user here;
1145 // there's no way to track when the user quits, which would leave a phantom IrcUser lying
1147 // NOTE: Whenever MONITOR support is introduced, the IrcUser will be created by an
1148 // RPL_MONONLINE numeric before any WHO commands are run.
1149 processWhoInformation(e->network(), channel, ircuser, e->params()[3], e->params()[1],
1150 e->params()[2], e->params()[5], e->params().last().section(" ", 1));
1153 // Check if channel name has a who in progress.
1154 if (coreNetwork(e)->isAutoWhoInProgress(channel)) {
1155 e->setFlag(EventManager::Silent);
1161 void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e)
1163 if (!checkParamCount(e, 3))
1166 // param[0] is either "=", "*" or "@" indicating a public, private or secret channel
1167 // we don't use this information at the time beeing
1168 QString channelname = e->params()[1];
1170 IrcChannel *channel = e->network()->ircChannel(channelname);
1172 qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname;
1179 // Cache result of multi-prefix to avoid unneeded casts and lookups with each iteration.
1180 bool _useCapMultiPrefix = coreNetwork(e)->capEnabled(IrcCap::MULTI_PREFIX);
1182 foreach(QString nick, e->params()[2].split(' ', QString::SkipEmptyParts)) {
1185 if (_useCapMultiPrefix) {
1186 // If multi-prefix is enabled, all modes will be sent in NAMES replies.
1187 // :hades.arpa 353 guest = #tethys :~&@%+aji &@Attila @+alyx +KindOne Argure
1188 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
1189 while (e->network()->prefixes().contains(nick[0])) {
1190 // Mode found in 1 left-most character, add it to the list.
1191 // Note: sending multiple modes may cause a warning in older clients.
1192 // In testing, the clients still seemed to function fine.
1193 mode.append(e->network()->prefixToMode(nick[0]));
1194 // Remove this mode from the nick
1195 nick = nick.remove(0, 1);
1197 } else if (e->network()->prefixes().contains(nick[0])) {
1198 // Multi-prefix is disabled and a mode prefix was found.
1199 mode = e->network()->prefixToMode(nick[0]);
1203 // If userhost-in-names capability is enabled, the following will be
1204 // in the form "nick!user@host" rather than "nick". This works without
1205 // special handling as the following use nickFromHost() as needed.
1206 // See: http://ircv3.net/specs/extensions/userhost-in-names-3.2.html
1212 channel->joinIrcUsers(nicks, modes);
1216 /* RPL_WHOSPCRPL: "<yournick> 152 #<channel> ~<ident> <host> <servname> <nick>
1217 ("H"/ "G") <account> :<realname>"
1218 <channel> is * if not specific to any channel
1219 <account> is * if not logged in
1220 Follows HexChat's usage of 'whox'
1221 See https://github.com/hexchat/hexchat/blob/c874a9525c9b66f1d5ddcf6c4107d046eba7e2c5/src/common/proto-irc.c#L750
1222 And http://faerion.sourceforge.net/doc/irc/whox.var*/
1223 void CoreSessionEventProcessor::processIrcEvent354(IrcEvent *e)
1225 // First only check if at least one parameter exists. Otherwise, it'll stop the result from
1226 // being shown if the user chooses different parameters.
1227 if (!checkParamCount(e, 1))
1230 if (e->params()[0].toUInt() != IrcCap::ACCOUNT_NOTIFY_WHOX_NUM) {
1231 // Ignore WHOX replies without expected number for we have no idea what fields are specified
1235 // Now we're fairly certain this is supposed to be an automated WHOX. Bail out if it doesn't
1236 // match what we require - 9 parameters.
1237 if (!checkParamCount(e, 9))
1240 QString channel = e->params()[1];
1241 IrcUser *ircuser = e->network()->ircUser(e->params()[5]);
1243 // Only process the WHO information if an IRC user exists. Don't create an IRC user here;
1244 // there's no way to track when the user quits, which would leave a phantom IrcUser lying
1246 // NOTE: Whenever MONITOR support is introduced, the IrcUser will be created by an
1247 // RPL_MONONLINE numeric before any WHO commands are run.
1248 processWhoInformation(e->network(), channel, ircuser, e->params()[4], e->params()[2],
1249 e->params()[3], e->params()[6], e->params().last());
1250 // Don't use .section(" ", 1) with WHOX replies, for there's no hopcount to trim out
1252 // As part of IRCv3 account-notify, check account name
1253 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
1254 QString newAccount = e->params()[7];
1255 if (newAccount != "0") {
1256 // Account logged in, set account name
1257 ircuser->setAccount(newAccount);
1259 // Account logged out, set account name to logged-out
1260 ircuser->setAccount("*");
1264 // Check if channel name has a who in progress.
1265 if (coreNetwork(e)->isAutoWhoInProgress(channel)) {
1266 e->setFlag(EventManager::Silent);
1271 void CoreSessionEventProcessor::processWhoInformation (Network *net, const QString &targetChannel, IrcUser *ircUser,
1272 const QString &server, const QString &user, const QString &host,
1273 const QString &awayStateAndModes, const QString &realname)
1275 ircUser->setUser(user);
1276 ircUser->setHost(host);
1277 ircUser->setServer(server);
1278 ircUser->setRealName(realname);
1280 bool away = awayStateAndModes.contains("G", Qt::CaseInsensitive);
1281 ircUser->setAway(away);
1283 if (net->capEnabled(IrcCap::MULTI_PREFIX)) {
1284 // If multi-prefix is enabled, all modes will be sent in WHO replies.
1285 // :kenny.chatspike.net 352 guest #test grawity broken.symlink *.chatspike.net grawity H@%+ :0 Mantas M.
1286 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
1287 QString uncheckedModes = awayStateAndModes;
1288 QString validModes = QString();
1289 while (!uncheckedModes.isEmpty()) {
1290 // Mode found in 1 left-most character, add it to the list
1291 if (net->prefixes().contains(uncheckedModes[0])) {
1292 validModes.append(net->prefixToMode(uncheckedModes[0]));
1294 // Remove this mode from the list of unchecked modes
1295 uncheckedModes = uncheckedModes.remove(0, 1);
1298 // Some IRC servers decide to not follow the spec, returning only -some- of the user
1299 // modes in WHO despite listing them all in NAMES. For now, assume it can only add
1300 // and not take away. *sigh*
1301 if (!validModes.isEmpty()) {
1302 if (targetChannel != "*") {
1303 // Channel-specific modes received, apply to given channel only
1304 IrcChannel *ircChan = net->ircChannel(targetChannel);
1306 // Do one mode at a time
1307 // TODO Better way of syncing this without breaking protocol?
1308 for (int i = 0; i < validModes.count(); ++i) {
1309 ircChan->addUserMode(ircUser, validModes.at(i));
1313 // Modes apply to the user everywhere
1314 ircUser->addUserModes(validModes);
1321 /* ERR_NOSUCHCHANNEL - "<channel name> :No such channel" */
1322 void CoreSessionEventProcessor::processIrcEvent403(IrcEventNumeric *e)
1324 // If this is the result of an AutoWho, hide it. It's confusing to show to the user.
1325 // Though the ":No such channel" remark should always be there, we should handle cases when it's
1326 // not included, too.
1327 if (!checkParamCount(e, 1))
1330 QString channelOrNick = e->params()[0];
1331 // Check if channel name has a who in progress.
1332 // If not, then check if user nick exists and has a who in progress.
1333 if (coreNetwork(e)->isAutoWhoInProgress(channelOrNick)) {
1334 qDebug() << "Channel/nick" << channelOrNick << "no longer exists during AutoWho, ignoring";
1335 e->setFlag(EventManager::Silent);
1339 /* ERR_ERRONEUSNICKNAME */
1340 void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e)
1342 if (!checkParamCount(e, 1))
1346 if (e->params().count() < 2) {
1347 // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase:
1349 // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters
1350 // correct server reply:
1351 // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters
1352 e->params().prepend(e->target());
1355 errnick = e->params()[0];
1357 tryNextNick(e, errnick, true /* erroneus */);
1361 /* ERR_NICKNAMEINUSE */
1362 void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e)
1364 if (!checkParamCount(e, 1))
1367 QString errnick = e->params().first();
1369 // if there is a problem while connecting to the server -> we handle it
1370 // but only if our connection has not been finished yet...
1371 if (!e->network()->currentServer().isEmpty())
1374 tryNextNick(e, errnick);
1378 /* ERR_UNAVAILRESOURCE */
1379 void CoreSessionEventProcessor::processIrcEvent437(IrcEventNumeric *e)
1381 if (!checkParamCount(e, 1))
1384 QString errnick = e->params().first();
1386 // if there is a problem while connecting to the server -> we handle it
1387 // but only if our connection has not been finished yet...
1388 if (!e->network()->currentServer().isEmpty())
1391 if (!e->network()->isChannelName(errnick))
1392 tryNextNick(e, errnick);
1397 void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) {
1398 if(!checkParamCount(e, 1))
1404 /* Handle signals from Netsplit objects */
1406 void CoreSessionEventProcessor::handleNetsplitJoin(Network *net,
1407 const QString &channel,
1408 const QStringList &users,
1409 const QStringList &modes,
1410 const QString &quitMessage)
1412 IrcChannel *ircChannel = net->ircChannel(channel);
1416 QList<IrcUser *> ircUsers;
1417 QStringList newModes = modes;
1418 QStringList newUsers = users;
1420 foreach(const QString &user, users) {
1421 IrcUser *iu = net->ircUser(nickFromMask(user));
1423 ircUsers.append(iu);
1424 else { // the user already quit
1425 int idx = users.indexOf(user);
1426 newUsers.removeAt(idx);
1427 newModes.removeAt(idx);
1431 ircChannel->joinIrcUsers(ircUsers, newModes);
1432 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage);
1433 emit newEvent(event);
1437 void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage)
1439 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage);
1440 emit newEvent(event);
1441 foreach(QString user, users) {
1442 IrcUser *iu = net->ircUser(nickFromMask(user));
1449 void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes)
1451 IrcChannel *ircChannel = net->ircChannel(channel);
1453 qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid";
1456 QList<NetworkEvent *> events;
1457 QList<IrcUser *> ircUsers;
1458 QStringList newModes = modes;
1460 foreach(QString user, users) {
1461 IrcUser *iu = net->updateNickFromMask(user);
1463 ircUsers.append(iu);
1464 // fake event for scripts that consume join events
1465 events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel);
1468 newModes.removeAt(users.indexOf(user));
1471 ircChannel->joinIrcUsers(ircUsers, newModes);
1472 foreach(NetworkEvent *event, events) {
1473 event->setFlag(EventManager::Fake); // ignore this in here!
1474 emit newEvent(event);
1479 void CoreSessionEventProcessor::handleNetsplitFinished()
1481 Netsplit *n = qobject_cast<Netsplit *>(sender());
1483 QHash<QString, Netsplit *> splithash = _netsplits.take(n->network());
1484 splithash.remove(splithash.key(n));
1485 if (splithash.count())
1486 _netsplits[n->network()] = splithash;
1491 void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId)
1493 Network *net = coreSession()->network(netId);
1497 QHash<QString, Netsplit *> splits = _netsplits.take(net);
1502 /*******************************/
1503 /******** CTCP HANDLING ********/
1504 /*******************************/
1506 void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e)
1508 if (e->testFlag(EventManager::Self))
1509 return; // ignore ctcp events generated by user input
1511 if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query)
1514 handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e));
1518 void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e)
1520 // This handler is only there to avoid warnings for unknown CTCPs
1526 void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e)
1528 // This handler is only there to feed CLIENTINFO
1533 void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e)
1535 QStringList supportedHandlers;
1536 foreach(QString handler, providesHandlers())
1537 supportedHandlers << handler.toUpper();
1538 qSort(supportedHandlers);
1539 e->setReply(supportedHandlers.join(" "));
1543 // http://www.irchelp.org/irchelp/rfc/ctcpspec.html
1544 // http://en.wikipedia.org/wiki/Direct_Client-to-Client
1545 void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e)
1547 // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in
1548 if (!Quassel::isOptionSet("enable-experimental-dcc")) {
1549 quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
1553 // normal: SEND <filename> <ip> <port> [<filesize>]
1554 // reverse: SEND <filename> <ip> 0 <filesize> <token>
1555 QStringList params = e->param().split(' ');
1556 if (params.count()) {
1557 QString cmd = params[0].toUpper();
1558 if (cmd == "SEND") {
1559 if (params.count() < 4) {
1560 qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client
1563 QString filename = params[1];
1564 QHostAddress address;
1565 quint16 port = params[3].toUShort();
1567 QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon)
1568 if (numIp.contains(':')) { // IPv6
1569 if (!address.setAddress(numIp)) {
1570 qWarning() << "Invalid IPv6:" << numIp;
1575 address.setAddress(numIp.toUInt());
1578 if (port == 0) { // Reverse DCC is indicated by a 0 port
1579 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp()));
1583 qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok
1587 if (params.count() > 4) { // filesize is optional
1588 size = params[4].toULong();
1591 // TODO: check if target is the right thing to use for the partner
1592 CoreTransfer *transfer = new CoreTransfer(Transfer::Direction::Receive, e->target(), filename, address, port, size, this);
1593 coreSession()->signalProxy()->synchronize(transfer);
1594 coreSession()->transferManager()->addTransfer(transfer);
1597 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp()));
1604 void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e)
1606 e->setReply(e->param().isNull() ? "" : e->param());
1610 void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e)
1612 // Use the ISO standard to avoid locale-specific translated names
1613 // Include timezone offset data to show which timezone a user's in, otherwise we're providing
1614 // NTP-over-IRC with terrible accuracy.
1615 e->setReply(formatDateTimeToOffsetISO(QDateTime::currentDateTime()));
1619 void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
1621 // Deliberately do not translate project name
1622 // Use the ISO standard to avoid locale-specific translated names
1623 // Use UTC time to provide a consistent string regardless of timezone
1624 // (Statistics tracking tools usually only group client versions by exact string matching)
1625 e->setReply(QString("Quassel IRC %1 (version date %2) -- https://www.quassel-irc.org")
1626 .arg(Quassel::buildInfo().plainVersionString)
1627 .arg(Quassel::buildInfo().commitDate.isEmpty() ?
1628 "unknown" : tryFormatUnixEpoch(Quassel::buildInfo().commitDate,
1629 Qt::DateFormat::ISODate, true)));