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"
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 // If using away-notify, check new users. Works around buggy IRC servers
406 // forgetting to send :away messages for users who join channels when away.
407 if (net->capEnabled(IrcCap::AWAY_NOTIFY)) {
408 net->queueAutoWhoOneshot(ircuser->nick());
411 if (!handledByNetsplit)
412 ircuser->joinChannel(channel);
414 e->setFlag(EventManager::Netsplit);
416 if (net->isMe(ircuser)) {
417 net->setChannelJoined(channel);
418 // Mark the message as Self
419 e->setFlag(EventManager::Self);
421 net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely
426 void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e)
428 if (checkParamCount(e, 2)) {
429 e->network()->updateNickFromMask(e->prefix());
430 IrcUser *victim = e->network()->ircUser(e->params().at(1));
432 victim->partChannel(e->params().at(0));
433 //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel);
439 void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e)
441 if (!checkParamCount(e, 2))
444 if (e->network()->isChannelName(e->params().first())) {
447 IrcChannel *channel = e->network()->ircChannel(e->params()[0]);
449 // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that
450 // anyways: we don't have a place to store the data --> discard the info.
454 QString modes = e->params()[1];
457 for (int c = 0; c < modes.length(); c++) {
458 if (modes[c] == '+') {
462 if (modes[c] == '-') {
467 if (e->network()->prefixModes().contains(modes[c])) {
468 // user channel modes (op, voice, etc...)
469 if (paramOffset < e->params().count()) {
470 IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]);
472 qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset];
476 bool handledByNetsplit = false;
477 QHash<QString, Netsplit *> splits = _netsplits.value(e->network());
478 foreach(Netsplit* n, _netsplits.value(e->network())) {
479 handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name());
480 if (handledByNetsplit) {
481 n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c]));
485 if (!handledByNetsplit)
486 channel->addUserMode(ircUser, QString(modes[c]));
489 channel->removeUserMode(ircUser, QString(modes[c]));
493 qWarning() << "Received MODE with too few parameters:" << e->params();
498 // regular channel modes
500 Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]);
501 if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) {
502 if (paramOffset < e->params().count()) {
503 value = e->params()[paramOffset];
506 qWarning() << "Received MODE with too few parameters:" << e->params();
512 channel->addChannelMode(modes[c], value);
514 channel->removeChannelMode(modes[c], value);
520 IrcUser *ircUser = e->network()->newIrcUser(e->params().first());
521 QString modeString(e->params()[1]);
525 for (int c = 0; c < modeString.count(); c++) {
526 if (modeString[c] == '+') {
530 if (modeString[c] == '-') {
535 addModes += modeString[c];
537 removeModes += modeString[c];
539 if (!addModes.isEmpty())
540 ircUser->addUserModes(addModes);
541 if (!removeModes.isEmpty())
542 ircUser->removeUserModes(removeModes);
544 if (e->network()->isMe(ircUser)) {
545 // Mark the message as Self
546 e->setFlag(EventManager::Self);
547 coreNetwork(e)->updatePersistentModes(addModes, removeModes);
553 void CoreSessionEventProcessor::processIrcEventNick(IrcEvent *e)
555 if (checkParamCount(e, 1)) {
556 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
558 qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
562 if (e->network()->isMe(ircuser)) {
563 // Mark the message as Self
564 e->setFlag(EventManager::Self);
567 // Actual processing is handled in lateProcessIrcEventNick(), this just sets the event flag
572 void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e)
574 if (checkParamCount(e, 1)) {
575 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
577 qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
580 QString newnick = e->params().at(0);
581 QString oldnick = ircuser->nick();
583 // the order is cruicial
584 // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore
585 // and remove the ircuser from the querybuffer leading to a wrong on/offline state
586 ircuser->setNick(newnick);
587 coreSession()->renameBuffer(e->networkId(), newnick, oldnick);
592 void CoreSessionEventProcessor::processIrcEventPart(IrcEvent *e)
594 if (checkParamCount(e, 1)) {
595 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
597 qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
601 if (e->network()->isMe(ircuser)) {
602 // Mark the message as Self
603 e->setFlag(EventManager::Self);
606 // Actual processing is handled in lateProcessIrcEventNick(), this just sets the event flag
611 void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e)
613 if (checkParamCount(e, 1)) {
614 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
616 qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
619 QString channel = e->params().at(0);
620 ircuser->partChannel(channel);
621 if (e->network()->isMe(ircuser)) {
622 qobject_cast<CoreNetwork *>(e->network())->setChannelParted(channel);
628 void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e)
630 QString param = e->params().count() ? e->params().first() : QString();
632 // Take priority so this won't get stuck behind other queued messages.
633 coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param), true);
637 void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e)
639 // Ensure we get at least one parameter
640 if (!checkParamCount(e, 1))
643 // Some IRC servers respond with only one parameter, others respond with two, with the latter
644 // being the text sent. Handle both situations.
646 if (e->params().count() < 2) {
647 // Only one parameter received
648 // :localhost PONG 02:43:49.565
649 timestamp = e->params().at(0);
651 // Two parameters received, pick the second
652 // :localhost PONG localhost :02:43:49.565
653 timestamp = e->params().at(1);
656 // The server is supposed to send back what we passed as parameter, and we send a timestamp.
657 // However, using quote and whatnot, one can send arbitrary pings, and IRC servers may decide to
658 // ignore our requests entirely and send whatever they want, so we have to do some sanity
661 // Attempt to parse the timestamp
662 QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz");
663 if (sendTime.isValid()) {
664 // Mark IRC server as sending valid ping replies
665 if (!coreNetwork(e)->isPongTimestampValid()) {
666 coreNetwork(e)->setPongTimestampValid(true);
667 // Add a message the first time it happens
668 qDebug().nospace() << "Received PONG with valid timestamp, marking pong replies on "
670 << "\"" << qPrintable(e->network()->networkName()) << "\" (ID: "
671 << qPrintable(QString::number(e->network()->networkId().toInt()))
672 << ") as usable for latency measurement";
674 // Remove pending flag
675 coreNetwork(e)->resetPongReplyPending();
677 // Don't show this in the UI
678 e->setFlag(EventManager::Silent);
679 // TODO: To allow for a user-sent /ping (without arguments, so default timestamp is used),
680 // this could track how many automated PINGs have been sent by the core and subtract one
681 // each time, only marking the PING as silent if there's pending automated pong replies.
682 // However, that's a behavior change which warrants further testing. For now, take the
683 // simpler, previous approach that errs on the side of silencing too much.
685 // Calculate latency from time difference, divided by 2 to account for round-trip time
686 e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2);
687 } else if (coreNetwork(e)->isPongReplyPending() && !coreNetwork(e)->isPongTimestampValid()) {
688 // There's an auto-PING reply pending and we've not yet received a PONG reply with a valid
689 // timestamp. It's possible this server will never respond with a valid timestamp, and thus
690 // any automated PINGs will result in unwanted spamming of the server buffer.
692 // Don't show this in the UI
693 e->setFlag(EventManager::Silent);
694 // Remove pending flag
695 coreNetwork(e)->resetPongReplyPending();
698 qDebug().nospace() << "Received PONG with invalid timestamp from network "
699 << "\"" << qPrintable(e->network()->networkName()) << "\" (ID: "
700 << qPrintable(QString::number(e->network()->networkId().toInt()))
701 << "), silencing, parameters are " << e->params();
703 // else: We're not expecting a PONG reply and timestamp is not valid, assume it's from the user
707 void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e)
709 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
713 if (e->network()->isMe(ircuser)) {
714 // Mark the message as Self
715 e->setFlag(EventManager::Self);
719 if (e->params().count() > 0)
720 msg = e->params()[0];
723 if (Netsplit::isNetsplit(msg)) {
725 if (!_netsplits[e->network()].contains(msg)) {
726 n = new Netsplit(e->network(), this);
727 connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished()));
728 connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)),
729 this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString)));
730 connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)),
731 this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString)));
732 connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)),
733 this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList)));
734 _netsplits[e->network()].insert(msg, n);
737 n = _netsplits[e->network()][msg];
739 // add this user to the netsplit
740 n->userQuit(e->prefix(), ircuser->channels(), msg);
741 e->setFlag(EventManager::Netsplit);
743 // normal quit is handled in lateProcessIrcEventQuit()
747 void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e)
749 if (e->testFlag(EventManager::Netsplit))
752 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
760 void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e)
762 if (checkParamCount(e, 2)) {
763 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
765 if (e->network()->isMe(ircuser)) {
766 // Mark the message as Self
767 e->setFlag(EventManager::Self);
770 IrcChannel *channel = e->network()->ircChannel(e->params().at(0));
772 channel->setTopic(e->params().at(1));
776 /* ERROR - "ERROR :reason"
777 Example: ERROR :Closing Link: nickname[xxx.xxx.xxx.xxx] (Large base64 image paste.)
778 See https://tools.ietf.org/html/rfc2812#section-3.7.4 */
779 void CoreSessionEventProcessor::processIrcEventError(IrcEvent *e)
781 if (!checkParamCount(e, 1))
784 if (coreNetwork(e)->disconnectExpected()) {
785 // During QUIT, the server should send an error (often, but not always, "Closing Link"). As
786 // we're expecting it, don't show this to the user.
787 e->setFlag(EventManager::Silent);
793 void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e)
795 if (!Cipher::neededFeaturesAvailable()) {
796 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()));
799 CoreNetwork *net = qobject_cast<CoreNetwork*>(e->network());
800 Cipher *c = net->cipher(e->target());
801 if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?)
804 if (e->exchangeType() == KeyEvent::Init) {
805 QByteArray pubKey = c->parseInitKeyX(e->key());
806 if (pubKey.isEmpty()) {
807 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()));
810 net->setCipherKey(e->target(), c->key());
811 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()));
813 p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey;
814 net->putCmd("NOTICE", p);
817 if (c->parseFinishKeyX(e->key())) {
818 net->setCipherKey(e->target(), c->key());
819 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()));
821 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()));
829 void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e)
831 e->network()->setCurrentServer(e->prefix());
832 e->network()->setMyNick(e->target());
837 // TODO Complete 005 handling, also use sensible defaults for non-sent stuff
838 void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e)
840 if (!checkParamCount(e, 1))
844 for (int i = 0; i < e->params().count() - 1; i++) {
845 QString key = e->params()[i].section("=", 0, 0);
846 QString value = e->params()[i].section("=", 1);
847 e->network()->addSupport(key, value);
850 /* determine our prefixes here to get an accurate result */
851 e->network()->determinePrefixes();
855 /* RPL_UMODEIS - "<user_modes> [<user_mode_params>]" */
856 void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *)
858 // TODO: save information in network object
862 /* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */
863 void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *)
865 // TODO: save information in network object
869 /* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */
870 void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *)
872 // TODO: save information in network object
876 /* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */
877 void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *)
879 // TODO: save information in network object
885 Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message.
887 "<nick> :<away message>"
889 Replies 352 and 315 paired are used to answer a WHO message.
892 Replies 314 and 369 are responses to a WHOWAS message.
896 /* RPL_AWAY - "<nick> :<away message>" */
897 void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e)
899 if (!checkParamCount(e, 2))
902 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
904 ircuser->setAway(true);
905 ircuser->setAwayMessage(e->params().at(1));
906 // lastAwayMessageTime is set in EventStringifier::processIrcEvent301(), no need to set it
908 //ircuser->setLastAwayMessageTime(now);
913 /* RPL_UNAWAY - ":You are no longer marked as being away" */
914 void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e)
916 IrcUser *me = e->network()->me();
920 if (e->network()->autoAwayActive()) {
921 e->network()->setAutoAwayActive(false);
922 e->setFlag(EventManager::Silent);
927 /* RPL_NOWAWAY - ":You have been marked as being away" */
928 void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e)
930 IrcUser *me = e->network()->me();
936 /* RPL_WHOISSERVICE - "<user> is registered nick" */
937 void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e)
939 if (!checkParamCount(e, 1))
942 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
944 ircuser->setWhoisServiceReply(e->params().join(" "));
948 /* RPL_SUSERHOST - "<user> is available for help." */
949 void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e)
951 if (!checkParamCount(e, 1))
954 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
956 ircuser->setSuserHost(e->params().join(" "));
960 /* RPL_WHOISUSER - "<nick> <user> <host> * :<real name>" */
961 void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e)
963 if (!checkParamCount(e, 3))
966 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
968 ircuser->setUser(e->params().at(1));
969 ircuser->setHost(e->params().at(2));
970 ircuser->setRealName(e->params().last());
975 /* RPL_WHOISSERVER - "<nick> <server> :<server info>" */
976 void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e)
978 if (!checkParamCount(e, 2))
981 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
983 ircuser->setServer(e->params().at(1));
987 /* RPL_WHOISOPERATOR - "<nick> :is an IRC operator" */
988 void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e)
990 if (!checkParamCount(e, 1))
993 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
995 ircuser->setIrcOperator(e->params().last());
999 /* RPL_ENDOFWHO: "<name> :End of WHO list" */
1000 void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e)
1002 if (!checkParamCount(e, 1))
1005 if (coreNetwork(e)->setAutoWhoDone(e->params()[0]))
1006 e->setFlag(EventManager::Silent);
1010 /* RPL_WHOISIDLE - "<nick> <integer> :seconds idle"
1011 (real life: "<nick> <integer> <integer> :seconds idle, signon time) */
1012 void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e)
1014 if (!checkParamCount(e, 2))
1017 QDateTime loginTime;
1019 int idleSecs = e->params()[1].toInt();
1020 if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation
1021 // Allow for 64-bit time
1022 qint64 logintime = e->params()[2].toLongLong();
1023 // Time in IRC protocol is defined as seconds. Convert from seconds instead.
1024 // See https://doc.qt.io/qt-5/qdatetime.html#fromSecsSinceEpoch
1025 #if QT_VERSION >= 0x050800
1026 loginTime = QDateTime::fromSecsSinceEpoch(logintime);
1028 // fromSecsSinceEpoch() was added in Qt 5.8. Manually downconvert to seconds for
1030 // See https://doc.qt.io/qt-5/qdatetime.html#fromMSecsSinceEpoch
1031 loginTime = QDateTime::fromMSecsSinceEpoch((qint64)(logintime * 1000));
1035 IrcUser *ircuser = e->network()->ircUser(e->params()[0]);
1037 ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs));
1038 if (loginTime.isValid())
1039 ircuser->setLoginTime(loginTime);
1044 /* RPL_LIST - "<channel> <# visible> :<topic>" */
1045 void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e)
1047 if (!checkParamCount(e, 1))
1050 QString channelName;
1051 quint32 userCount = 0;
1054 switch (e->params().count()) {
1056 topic = e->params()[2];
1057 [[clang::fallthrough]];
1059 userCount = e->params()[1].toUInt();
1060 [[clang::fallthrough]];
1062 channelName = e->params()[0];
1063 [[clang::fallthrough]];
1067 if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic))
1068 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
1072 /* RPL_LISTEND ":End of LIST" */
1073 void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e)
1075 if (!checkParamCount(e, 1))
1078 if (coreSession()->ircListHelper()->endOfChannelList(e->networkId()))
1079 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
1083 /* RPL_CHANNELMODEIS - "<channel> <mode> <mode params>" */
1084 void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e)
1086 processIrcEventMode(e);
1090 /* RPL_WHOISACCOUNT - "<nick> <account> :is authed as" */
1091 void CoreSessionEventProcessor::processIrcEvent330(IrcEvent *e)
1093 // Though the ":is authed as" remark should always be there, we should handle cases when it's
1094 // not included, too.
1095 if (!checkParamCount(e, 2))
1098 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
1100 ircuser->setAccount(e->params().at(1));
1106 void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e)
1108 if (!checkParamCount(e, 1))
1111 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
1113 chan->setTopic(QString());
1118 void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e)
1120 if (!checkParamCount(e, 2))
1123 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
1125 chan->setTopic(e->params()[1]);
1129 /* RPL_WHOREPLY: "<channel> <user> <host> <server> <nick>
1130 ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] :<hopcount> <real name>" */
1131 void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e)
1133 if (!checkParamCount(e, 6))
1136 QString channel = e->params()[0];
1137 // Store the nick separate from ircuser for AutoWho check below
1138 QString nick = e->params()[4];
1139 IrcUser *ircuser = e->network()->ircUser(nick);
1141 // Only process the WHO information if an IRC user exists. Don't create an IRC user here;
1142 // there's no way to track when the user quits, which would leave a phantom IrcUser lying
1144 // NOTE: Whenever MONITOR support is introduced, the IrcUser will be created by an
1145 // RPL_MONONLINE numeric before any WHO commands are run.
1146 processWhoInformation(e->network(), channel, ircuser, e->params()[3], e->params()[1],
1147 e->params()[2], e->params()[5], e->params().last().section(" ", 1));
1150 // Check if channel name has a who in progress.
1151 // If not, then check if user nickname has a who in progress. Use nick directly; don't use
1152 // ircuser as that may be deleted (e.g. nick joins channel, leaves before WHO reply received).
1153 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
1154 (coreNetwork(e)->isAutoWhoInProgress(nick))) {
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 QString nick = e->params()[5];
1242 IrcUser *ircuser = e->network()->ircUser(nick);
1244 // Only process the WHO information if an IRC user exists. Don't create an IRC user here;
1245 // there's no way to track when the user quits, which would leave a phantom IrcUser lying
1247 // NOTE: Whenever MONITOR support is introduced, the IrcUser will be created by an
1248 // RPL_MONONLINE numeric before any WHO commands are run.
1249 processWhoInformation(e->network(), channel, ircuser, e->params()[4], e->params()[2],
1250 e->params()[3], e->params()[6], e->params().last());
1251 // Don't use .section(" ", 1) with WHOX replies, for there's no hopcount to trim out
1253 // As part of IRCv3 account-notify, check account name
1254 // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
1255 QString newAccount = e->params()[7];
1256 if (newAccount != "0") {
1257 // Account logged in, set account name
1258 ircuser->setAccount(newAccount);
1260 // Account logged out, set account name to logged-out
1261 ircuser->setAccount("*");
1265 // Check if channel name has a who in progress.
1266 // If not, then check if user nickname has a who in progress. Use nick directly; don't use
1267 // ircuser as that may be deleted (e.g. nick joins channel, leaves before WHO reply received).
1268 if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
1269 (coreNetwork(e)->isAutoWhoInProgress(nick))) {
1270 e->setFlag(EventManager::Silent);
1275 void CoreSessionEventProcessor::processWhoInformation (Network *net, const QString &targetChannel, IrcUser *ircUser,
1276 const QString &server, const QString &user, const QString &host,
1277 const QString &awayStateAndModes, const QString &realname)
1279 ircUser->setUser(user);
1280 ircUser->setHost(host);
1281 ircUser->setServer(server);
1282 ircUser->setRealName(realname);
1284 bool away = awayStateAndModes.contains("G", Qt::CaseInsensitive);
1285 ircUser->setAway(away);
1287 if (net->capEnabled(IrcCap::MULTI_PREFIX)) {
1288 // If multi-prefix is enabled, all modes will be sent in WHO replies.
1289 // :kenny.chatspike.net 352 guest #test grawity broken.symlink *.chatspike.net grawity H@%+ :0 Mantas M.
1290 // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
1291 QString uncheckedModes = awayStateAndModes;
1292 QString validModes = QString();
1293 while (!uncheckedModes.isEmpty()) {
1294 // Mode found in 1 left-most character, add it to the list
1295 if (net->prefixes().contains(uncheckedModes[0])) {
1296 validModes.append(net->prefixToMode(uncheckedModes[0]));
1298 // Remove this mode from the list of unchecked modes
1299 uncheckedModes = uncheckedModes.remove(0, 1);
1302 // Some IRC servers decide to not follow the spec, returning only -some- of the user
1303 // modes in WHO despite listing them all in NAMES. For now, assume it can only add
1304 // and not take away. *sigh*
1305 if (!validModes.isEmpty()) {
1306 if (targetChannel != "*") {
1307 // Channel-specific modes received, apply to given channel only
1308 IrcChannel *ircChan = net->ircChannel(targetChannel);
1310 // Do one mode at a time
1311 // TODO Better way of syncing this without breaking protocol?
1312 for (int i = 0; i < validModes.count(); ++i) {
1313 ircChan->addUserMode(ircUser, validModes.at(i));
1317 // Modes apply to the user everywhere
1318 ircUser->addUserModes(validModes);
1325 /* ERR_NOSUCHCHANNEL - "<channel name> :No such channel" */
1326 void CoreSessionEventProcessor::processIrcEvent403(IrcEventNumeric *e)
1328 // If this is the result of an AutoWho, hide it. It's confusing to show to the user.
1329 // Though the ":No such channel" remark should always be there, we should handle cases when it's
1330 // not included, too.
1331 if (!checkParamCount(e, 1))
1334 QString channelOrNick = e->params()[0];
1335 // Check if channel name has a who in progress.
1336 // If not, then check if user nick exists and has a who in progress.
1337 if (coreNetwork(e)->isAutoWhoInProgress(channelOrNick)) {
1338 qDebug() << "Channel/nick" << channelOrNick << "no longer exists during AutoWho, ignoring";
1339 e->setFlag(EventManager::Silent);
1343 /* ERR_ERRONEUSNICKNAME */
1344 void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e)
1346 if (!checkParamCount(e, 1))
1350 if (e->params().count() < 2) {
1351 // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase:
1353 // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters
1354 // correct server reply:
1355 // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters
1356 e->params().prepend(e->target());
1359 errnick = e->params()[0];
1361 tryNextNick(e, errnick, true /* erroneus */);
1365 /* ERR_NICKNAMEINUSE */
1366 void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e)
1368 if (!checkParamCount(e, 1))
1371 QString errnick = e->params().first();
1373 // if there is a problem while connecting to the server -> we handle it
1374 // but only if our connection has not been finished yet...
1375 if (!e->network()->currentServer().isEmpty())
1378 tryNextNick(e, errnick);
1382 /* ERR_UNAVAILRESOURCE */
1383 void CoreSessionEventProcessor::processIrcEvent437(IrcEventNumeric *e)
1385 if (!checkParamCount(e, 1))
1388 QString errnick = e->params().first();
1390 // if there is a problem while connecting to the server -> we handle it
1391 // but only if our connection has not been finished yet...
1392 if (!e->network()->currentServer().isEmpty())
1395 if (!e->network()->isChannelName(errnick))
1396 tryNextNick(e, errnick);
1401 void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) {
1402 if(!checkParamCount(e, 1))
1408 /* Handle signals from Netsplit objects */
1410 void CoreSessionEventProcessor::handleNetsplitJoin(Network *net,
1411 const QString &channel,
1412 const QStringList &users,
1413 const QStringList &modes,
1414 const QString &quitMessage)
1416 IrcChannel *ircChannel = net->ircChannel(channel);
1420 QList<IrcUser *> ircUsers;
1421 QStringList newModes = modes;
1422 QStringList newUsers = users;
1424 foreach(const QString &user, users) {
1425 IrcUser *iu = net->ircUser(nickFromMask(user));
1427 ircUsers.append(iu);
1428 else { // the user already quit
1429 int idx = users.indexOf(user);
1430 newUsers.removeAt(idx);
1431 newModes.removeAt(idx);
1435 ircChannel->joinIrcUsers(ircUsers, newModes);
1436 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage);
1437 emit newEvent(event);
1441 void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage)
1443 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage);
1444 emit newEvent(event);
1445 foreach(QString user, users) {
1446 IrcUser *iu = net->ircUser(nickFromMask(user));
1453 void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes)
1455 IrcChannel *ircChannel = net->ircChannel(channel);
1457 qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid";
1460 QList<NetworkEvent *> events;
1461 QList<IrcUser *> ircUsers;
1462 QStringList newModes = modes;
1464 foreach(QString user, users) {
1465 IrcUser *iu = net->updateNickFromMask(user);
1467 ircUsers.append(iu);
1468 // fake event for scripts that consume join events
1469 events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel);
1472 newModes.removeAt(users.indexOf(user));
1475 ircChannel->joinIrcUsers(ircUsers, newModes);
1476 foreach(NetworkEvent *event, events) {
1477 event->setFlag(EventManager::Fake); // ignore this in here!
1478 emit newEvent(event);
1483 void CoreSessionEventProcessor::handleNetsplitFinished()
1485 Netsplit *n = qobject_cast<Netsplit *>(sender());
1487 QHash<QString, Netsplit *> splithash = _netsplits.take(n->network());
1488 splithash.remove(splithash.key(n));
1489 if (splithash.count())
1490 _netsplits[n->network()] = splithash;
1495 void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId)
1497 Network *net = coreSession()->network(netId);
1501 QHash<QString, Netsplit *> splits = _netsplits.take(net);
1506 /*******************************/
1507 /******** CTCP HANDLING ********/
1508 /*******************************/
1510 void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e)
1512 if (e->testFlag(EventManager::Self))
1513 return; // ignore ctcp events generated by user input
1515 if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query)
1518 handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e));
1522 void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e)
1524 // This handler is only there to avoid warnings for unknown CTCPs
1530 void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e)
1532 // This handler is only there to feed CLIENTINFO
1537 void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e)
1539 QStringList supportedHandlers;
1540 foreach(QString handler, providesHandlers())
1541 supportedHandlers << handler.toUpper();
1542 qSort(supportedHandlers);
1543 e->setReply(supportedHandlers.join(" "));
1547 // http://www.irchelp.org/irchelp/rfc/ctcpspec.html
1548 // http://en.wikipedia.org/wiki/Direct_Client-to-Client
1549 void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e)
1551 // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in
1552 if (!Quassel::isOptionSet("enable-experimental-dcc")) {
1553 quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
1557 // normal: SEND <filename> <ip> <port> [<filesize>]
1558 // reverse: SEND <filename> <ip> 0 <filesize> <token>
1559 QStringList params = e->param().split(' ');
1560 if (params.count()) {
1561 QString cmd = params[0].toUpper();
1562 if (cmd == "SEND") {
1563 if (params.count() < 4) {
1564 qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client
1567 QString filename = params[1];
1568 QHostAddress address;
1569 quint16 port = params[3].toUShort();
1571 QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon)
1572 if (numIp.contains(':')) { // IPv6
1573 if (!address.setAddress(numIp)) {
1574 qWarning() << "Invalid IPv6:" << numIp;
1579 address.setAddress(numIp.toUInt());
1582 if (port == 0) { // Reverse DCC is indicated by a 0 port
1583 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp()));
1587 qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok
1591 if (params.count() > 4) { // filesize is optional
1592 size = params[4].toULong();
1595 // TODO: check if target is the right thing to use for the partner
1596 CoreTransfer *transfer = new CoreTransfer(Transfer::Direction::Receive, e->target(), filename, address, port, size, this);
1597 coreSession()->signalProxy()->synchronize(transfer);
1598 coreSession()->transferManager()->addTransfer(transfer);
1601 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp()));
1608 void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e)
1610 e->setReply(e->param().isNull() ? "" : e->param());
1614 void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e)
1616 // Explicitly specify the Qt default DateTime format string to allow for modification
1617 // Qt::TextDate default roughly corresponds to...
1618 // > ddd MMM d yyyy HH:mm:ss
1620 // See https://doc.qt.io/qt-5/qdatetime.html#toString
1621 // And https://doc.qt.io/qt-5/qt.html#DateFormat-enum
1622 #if QT_VERSION > 0x050000
1623 // Append the timezone identifier "t", so other other IRC users have a frame of reference for
1624 // the current timezone. This could be figured out before by manually comparing to UTC, so this
1625 // is just convenience.
1627 // Alas, "t" was only added in Qt 5
1628 e->setReply(QDateTime::currentDateTime().toString("ddd MMM d yyyy HH:mm:ss t"));
1630 e->setReply(QDateTime::currentDateTime().toString("ddd MMM d yyyy HH:mm:ss"));
1635 void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
1637 // Deliberately do not translate project name
1638 e->setReply(QString("Quassel IRC %1 (version date %2) -- https://www.quassel-irc.org")
1639 .arg(Quassel::buildInfo().plainVersionString)
1640 .arg(Quassel::buildInfo().commitDate.isEmpty() ?
1641 "unknown" : tryFormatUnixEpoch(Quassel::buildInfo().commitDate)));