1/***************************************************************************
2 * Copyright (C) 2005-2014 by the Quassel Project *
3 * devel@quassel-irc.org *
4 * *
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. *
9 * *
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. *
14 * *
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 ***************************************************************************/
20
21#include "coresessioneventprocessor.h"
22
23#include "coreirclisthelper.h"
24#include "corenetwork.h"
25#include "coresession.h"
26#include "coretransfer.h"
27#include "coretransfermanager.h"
28#include "ctcpevent.h"
29#include "ircevent.h"
30#include "ircuser.h"
31#include "logger.h"
32#include "messageevent.h"
33#include "netsplit.h"
34#include "quassel.h"
35
36#ifdef HAVE_QCA2
37# include "keyevent.h"
38#endif
39
40CoreSessionEventProcessor::CoreSessionEventProcessor(CoreSession *session)
41 : BasicHandler("handleCtcp", session),
42 _coreSession(session)
43{
44 connect(coreSession(), SIGNAL(networkDisconnected(NetworkId)), this, SLOT(destroyNetsplits(NetworkId)));
45 connect(this, SIGNAL(newEvent(Event *)), coreSession()->eventManager(), SLOT(postEvent(Event *)));
46}
47
48
49bool CoreSessionEventProcessor::checkParamCount(IrcEvent *e, int minParams)
50{
51 if (e->params().count() < minParams) {
52 if (e->type() == EventManager::IrcEventNumeric) {
53 qWarning() << "Command " << static_cast<IrcEventNumeric *>(e)->number() << " requires " << minParams << "params, got: " << e->params();
54 }
55 else {
56 QString name = coreSession()->eventManager()->enumName(e->type());
57 qWarning() << qPrintable(name) << "requires" << minParams << "params, got:" << e->params();
58 }
59 e->stop();
60 return false;
61 }
62 return true;
63}
64
65
66void CoreSessionEventProcessor::tryNextNick(NetworkEvent *e, const QString &errnick, bool erroneus)
67{
68 QStringList desiredNicks = coreSession()->identity(e->network()->identity())->nicks();
69 int nextNickIdx = desiredNicks.indexOf(errnick) + 1;
70 QString nextNick;
71 if (nextNickIdx > 0 && desiredNicks.size() > nextNickIdx) {
72 nextNick = desiredNicks[nextNickIdx];
73 }
74 else {
75 if (erroneus) {
76 // FIXME Make this an ErrorEvent or something like that, so it's translated in the client
77 MessageEvent *msgEvent = new MessageEvent(Message::Error, e->network(),
78 tr("No free and valid nicks in nicklist found. use: /nick <othernick> to continue"),
79 QString(), QString(), Message::None, e->timestamp());
80 emit newEvent(msgEvent);
81 return;
82 }
83 else {
84 nextNick = errnick + "_";
85 }
86 }
87 // FIXME Use a proper output event for this
88 coreNetwork(e)->putRawLine("NICK " + coreNetwork(e)->encodeServerString(nextNick));
89}
90
91
92void CoreSessionEventProcessor::processIrcEventNumeric(IrcEventNumeric *e)
93{
94 switch (e->number()) {
95 // CAP stuff
96 case 903:
97 case 904:
98 case 905:
99 case 906:
100 case 907:
101 qobject_cast<CoreNetwork *>(e->network())->putRawLine("CAP END");
102 break;
103
104 default:
105 break;
106 }
107}
108
109
110void CoreSessionEventProcessor::processIrcEventAuthenticate(IrcEvent *e)
111{
112 if (!checkParamCount(e, 1))
113 return;
114
115 if (e->params().at(0) != "+") {
116 qWarning() << "Invalid AUTHENTICATE" << e;
117 return;
118 }
119
120 CoreNetwork *net = coreNetwork(e);
121
122#ifdef HAVE_SSL
123 if (net->identityPtr()->sslCert().isNull()) {
124#endif
125 QString construct = net->saslAccount();
126 construct.append(QChar(QChar::Null));
127 construct.append(net->saslAccount());
128 construct.append(QChar(QChar::Null));
129 construct.append(net->saslPassword());
130 QByteArray saslData = QByteArray(construct.toLatin1().toBase64());
131 saslData.prepend("AUTHENTICATE ");
132 net->putRawLine(saslData);
133#ifdef HAVE_SSL
134 } else {
135 net->putRawLine("AUTHENTICATE +");
136 }
137#endif
138}
139
140
141void CoreSessionEventProcessor::processIrcEventCap(IrcEvent *e)
142{
143 // for SASL, there will only be a single param of 'sasl', however you can check here for
144 // additional CAP messages (ls, multi-prefix, et cetera).
145
146 if (e->params().count() == 3) {
147 if (e->params().at(2).startsWith("sasl")) { // Freenode (at least) sends "sasl " with a trailing space for some reason!
148 // FIXME use event
149 // if the current identity has a cert set, use SASL EXTERNAL
150#ifdef HAVE_SSL
151 if (!coreNetwork(e)->identityPtr()->sslCert().isNull()) {
152 coreNetwork(e)->putRawLine(coreNetwork(e)->serverEncode("AUTHENTICATE EXTERNAL"));
153 } else {
154#endif
155 // Only working with PLAIN atm, blowfish later
156 coreNetwork(e)->putRawLine(coreNetwork(e)->serverEncode("AUTHENTICATE PLAIN"));
157#ifdef HAVE_SSL
158 }
159#endif
160 }
161 }
162}
163
164
165void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e)
166{
167 if (checkParamCount(e, 2)) {
168 e->network()->updateNickFromMask(e->prefix());
169 }
170}
171
172
173void CoreSessionEventProcessor::processIrcEventJoin(IrcEvent *e)
174{
175 if (e->testFlag(EventManager::Fake)) // generated by handleEarlyNetsplitJoin
176 return;
177
178 if (!checkParamCount(e, 1))
179 return;
180
181 CoreNetwork *net = coreNetwork(e);
182 QString channel = e->params()[0];
183 IrcUser *ircuser = net->updateNickFromMask(e->prefix());
184
185 bool handledByNetsplit = false;
186 foreach(Netsplit* n, _netsplits.value(e->network())) {
187 handledByNetsplit = n->userJoined(e->prefix(), channel);
188 if (handledByNetsplit)
189 break;
190 }
191
192 if (!handledByNetsplit)
193 ircuser->joinChannel(channel);
194 else
195 e->setFlag(EventManager::Netsplit);
196
197 if (net->isMe(ircuser)) {
198 net->setChannelJoined(channel);
199 // FIXME use event
200 net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely
201 }
202}
203
204
205void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e)
206{
207 if (checkParamCount(e, 2)) {
208 e->network()->updateNickFromMask(e->prefix());
209 IrcUser *victim = e->network()->ircUser(e->params().at(1));
210 if (victim) {
211 victim->partChannel(e->params().at(0));
212 //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel);
213 }
214 }
215}
216
217
218void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e)
219{
220 if (!checkParamCount(e, 2))
221 return;
222
223 if (e->network()->isChannelName(e->params().first())) {
224 // Channel Modes
225
226 IrcChannel *channel = e->network()->ircChannel(e->params()[0]);
227 if (!channel) {
228 // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that
229 // anyways: we don't have a place to store the data --> discard the info.
230 return;
231 }
232
233 QString modes = e->params()[1];
234 bool add = true;
235 int paramOffset = 2;
236 for (int c = 0; c < modes.length(); c++) {
237 if (modes[c] == '+') {
238 add = true;
239 continue;
240 }
241 if (modes[c] == '-') {
242 add = false;
243 continue;
244 }
245
246 if (e->network()->prefixModes().contains(modes[c])) {
247 // user channel modes (op, voice, etc...)
248 if (paramOffset < e->params().count()) {
249 IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]);
250 if (!ircUser) {
251 qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset];
252 }
253 else {
254 if (add) {
255 bool handledByNetsplit = false;
256 QHash<QString, Netsplit *> splits = _netsplits.value(e->network());
257 foreach(Netsplit* n, _netsplits.value(e->network())) {
258 handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name());
259 if (handledByNetsplit) {
260 n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c]));
261 break;
262 }
263 }
264 if (!handledByNetsplit)
265 channel->addUserMode(ircUser, QString(modes[c]));
266 }
267 else
268 channel->removeUserMode(ircUser, QString(modes[c]));
269 }
270 }
271 else {
272 qWarning() << "Received MODE with too few parameters:" << e->params();
273 }
274 ++paramOffset;
275 }
276 else {
277 // regular channel modes
278 QString value;
279 Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]);
280 if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) {
281 if (paramOffset < e->params().count()) {
282 value = e->params()[paramOffset];
283 }
284 else {
285 qWarning() << "Received MODE with too few parameters:" << e->params();
286 }
287 ++paramOffset;
288 }
289
290 if (add)
291 channel->addChannelMode(modes[c], value);
292 else
293 channel->removeChannelMode(modes[c], value);
294 }
295 }
296 }
297 else {
298 // pure User Modes
299 IrcUser *ircUser = e->network()->newIrcUser(e->params().first());
300 QString modeString(e->params()[1]);
301 QString addModes;
302 QString removeModes;
303 bool add = false;
304 for (int c = 0; c < modeString.count(); c++) {
305 if (modeString[c] == '+') {
306 add = true;
307 continue;
308 }
309 if (modeString[c] == '-') {
310 add = false;
311 continue;
312 }
313 if (add)
314 addModes += modeString[c];
315 else
316 removeModes += modeString[c];
317 }
318 if (!addModes.isEmpty())
319 ircUser->addUserModes(addModes);
320 if (!removeModes.isEmpty())
321 ircUser->removeUserModes(removeModes);
322
323 if (e->network()->isMe(ircUser)) {
324 coreNetwork(e)->updatePersistentModes(addModes, removeModes);
325 }
326 }
327}
328
329
330void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e)
331{
332 if (checkParamCount(e, 1)) {
333 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
334 if (!ircuser) {
335 qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
336 return;
337 }
338 QString newnick = e->params().at(0);
339 QString oldnick = ircuser->nick();
340
341 // the order is cruicial
342 // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore
343 // and remove the ircuser from the querybuffer leading to a wrong on/offline state
344 ircuser->setNick(newnick);
345 coreSession()->renameBuffer(e->networkId(), newnick, oldnick);
346 }
347}
348
349
350void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e)
351{
352 if (checkParamCount(e, 1)) {
353 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
354 if (!ircuser) {
355 qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
356 return;
357 }
358 QString channel = e->params().at(0);
359 ircuser->partChannel(channel);
360 if (e->network()->isMe(ircuser))
361 qobject_cast<CoreNetwork *>(e->network())->setChannelParted(channel);
362 }
363}
364
365
366void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e)
367{
368 QString param = e->params().count() ? e->params().first() : QString();
369 // FIXME use events
370 coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param));
371}
372
373
374void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e)
375{
376 // the server is supposed to send back what we passed as param. and we send a timestamp
377 // but using quote and whatnought one can send arbitrary pings, so we have to do some sanity checks
378 if (checkParamCount(e, 2)) {
379 QString timestamp = e->params().at(1);
380 QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz");
381 if (sendTime.isValid())
382 e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2);
383 }
384}
385
386
387void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e)
388{
389 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
390 if (!ircuser)
391 return;
392
393 QString msg;
394 if (e->params().count() > 0)
395 msg = e->params()[0];
396
397 // check if netsplit
398 if (Netsplit::isNetsplit(msg)) {
399 Netsplit *n;
400 if (!_netsplits[e->network()].contains(msg)) {
401 n = new Netsplit(e->network(), this);
402 connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished()));
403 connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)),
404 this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString)));
405 connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)),
406 this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString)));
407 connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)),
408 this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList)));
409 _netsplits[e->network()].insert(msg, n);
410 }
411 else {
412 n = _netsplits[e->network()][msg];
413 }
414 // add this user to the netsplit
415 n->userQuit(e->prefix(), ircuser->channels(), msg);
416 e->setFlag(EventManager::Netsplit);
417 }
418 // normal quit is handled in lateProcessIrcEventQuit()
419}
420
421
422void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e)
423{
424 if (e->testFlag(EventManager::Netsplit))
425 return;
426
427 IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
428 if (!ircuser)
429 return;
430
431 ircuser->quit();
432}
433
434
435void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e)
436{
437 if (checkParamCount(e, 2)) {
438 e->network()->updateNickFromMask(e->prefix());
439 IrcChannel *channel = e->network()->ircChannel(e->params().at(0));
440 if (channel)
441 channel->setTopic(e->params().at(1));
442 }
443}
444
445
446#ifdef HAVE_QCA2
447void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e)
448{
449 if (!Cipher::neededFeaturesAvailable()) {
450 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()));
451 return;
452 }
453 CoreNetwork *net = qobject_cast<CoreNetwork*>(e->network());
454 Cipher *c = net->cipher(e->target());
455 if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?)
456 return;
457
458 if (e->exchangeType() == KeyEvent::Init) {
459 QByteArray pubKey = c->parseInitKeyX(e->key());
460 if (pubKey.isEmpty()) {
461 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()));
462 return;
463 } else {
464 net->setCipherKey(e->target(), c->key());
465 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()));
466 QList<QByteArray> p;
467 p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey;
468 net->putCmd("NOTICE", p);
469 }
470 } else {
471 if (c->parseFinishKeyX(e->key())) {
472 net->setCipherKey(e->target(), c->key());
473 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()));
474 } else {
475 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()));
476 }
477 }
478}
479#endif
480
481
482/* RPL_WELCOME */
483void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e)
484{
485 e->network()->setCurrentServer(e->prefix());
486 e->network()->setMyNick(e->target());
487}
488
489
490/* RPL_ISUPPORT */
491// TODO Complete 005 handling, also use sensible defaults for non-sent stuff
492void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e)
493{
494 if (!checkParamCount(e, 1))
495 return;
496
497 QString key, value;
498 for (int i = 0; i < e->params().count() - 1; i++) {
499 QString key = e->params()[i].section("=", 0, 0);
500 QString value = e->params()[i].section("=", 1);
501 e->network()->addSupport(key, value);
502 }
503
504 /* determine our prefixes here to get an accurate result */
505 e->network()->determinePrefixes();
506}
507
508
509/* RPL_UMODEIS - "<user_modes> [<user_mode_params>]" */
510void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *)
511{
512 // TODO: save information in network object
513}
514
515
516/* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */
517void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *)
518{
519 // TODO: save information in network object
520}
521
522
523/* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */
524void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *)
525{
526 // TODO: save information in network object
527}
528
529
530/* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */
531void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *)
532{
533 // TODO: save information in network object
534}
535
536
537/*
538WHOIS-Message:
539 Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message.
540 and 301 (RPL_AWAY)
541 "<nick> :<away message>"
542WHO-Message:
543 Replies 352 and 315 paired are used to answer a WHO message.
544
545WHOWAS-Message:
546 Replies 314 and 369 are responses to a WHOWAS message.
547
548*/
549
550/* RPL_AWAY - "<nick> :<away message>" */
551void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e)
552{
553 if (!checkParamCount(e, 2))
554 return;
555
556 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
557 if (ircuser) {
558 ircuser->setAway(true);
559 ircuser->setAwayMessage(e->params().at(1));
560 //ircuser->setLastAwayMessage(now);
561 }
562}
563
564
565/* RPL_UNAWAY - ":You are no longer marked as being away" */
566void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e)
567{
568 IrcUser *me = e->network()->me();
569 if (me)
570 me->setAway(false);
571
572 if (e->network()->autoAwayActive()) {
573 e->network()->setAutoAwayActive(false);
574 e->setFlag(EventManager::Silent);
575 }
576}
577
578
579/* RPL_NOWAWAY - ":You have been marked as being away" */
580void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e)
581{
582 IrcUser *me = e->network()->me();
583 if (me)
584 me->setAway(true);
585}
586
587
588/* RPL_WHOISSERVICE - "<user> is registered nick" */
589void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e)
590{
591 if (!checkParamCount(e, 1))
592 return;
593
594 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
595 if (ircuser)
596 ircuser->setWhoisServiceReply(e->params().join(" "));
597}
598
599
600/* RPL_SUSERHOST - "<user> is available for help." */
601void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e)
602{
603 if (!checkParamCount(e, 1))
604 return;
605
606 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
607 if (ircuser)
608 ircuser->setSuserHost(e->params().join(" "));
609}
610
611
612/* RPL_WHOISUSER - "<nick> <user> <host> * :<real name>" */
613void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e)
614{
615 if (!checkParamCount(e, 3))
616 return;
617
618 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
619 if (ircuser) {
620 ircuser->setUser(e->params().at(1));
621 ircuser->setHost(e->params().at(2));
622 ircuser->setRealName(e->params().last());
623 }
624}
625
626
627/* RPL_WHOISSERVER - "<nick> <server> :<server info>" */
628void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e)
629{
630 if (!checkParamCount(e, 2))
631 return;
632
633 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
634 if (ircuser)
635 ircuser->setServer(e->params().at(1));
636}
637
638
639/* RPL_WHOISOPERATOR - "<nick> :is an IRC operator" */
640void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e)
641{
642 if (!checkParamCount(e, 1))
643 return;
644
645 IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
646 if (ircuser)
647 ircuser->setIrcOperator(e->params().last());
648}
649
650
651/* RPL_ENDOFWHO: "<name> :End of WHO list" */
652void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e)
653{
654 if (!checkParamCount(e, 1))
655 return;
656
657 if (coreNetwork(e)->setAutoWhoDone(e->params()[0]))
658 e->setFlag(EventManager::Silent);
659}
660
661
662/* RPL_WHOISIDLE - "<nick> <integer> :seconds idle"
663 (real life: "<nick> <integer> <integer> :seconds idle, signon time) */
664void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e)
665{
666 if (!checkParamCount(e, 2))
667 return;
668
669 QDateTime loginTime;
670
671 int idleSecs = e->params()[1].toInt();
672 if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation
673 int logintime = e->params()[2].toInt();
674 loginTime = QDateTime::fromTime_t(logintime);
675 }
676
677 IrcUser *ircuser = e->network()->ircUser(e->params()[0]);
678 if (ircuser) {
679 ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs));
680 if (loginTime.isValid())
681 ircuser->setLoginTime(loginTime);
682 }
683}
684
685
686/* RPL_LIST - "<channel> <# visible> :<topic>" */
687void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e)
688{
689 if (!checkParamCount(e, 1))
690 return;
691
692 QString channelName;
693 quint32 userCount = 0;
694 QString topic;
695
696 switch (e->params().count()) {
697 case 3:
698 topic = e->params()[2];
699 case 2:
700 userCount = e->params()[1].toUInt();
701 case 1:
702 channelName = e->params()[0];
703 default:
704 break;
705 }
706 if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic))
707 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
708}
709
710
711/* RPL_LISTEND ":End of LIST" */
712void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e)
713{
714 if (!checkParamCount(e, 1))
715 return;
716
717 if (coreSession()->ircListHelper()->endOfChannelList(e->networkId()))
718 e->stop(); // consumed by IrcListHelper, so don't further process/show this event
719}
720
721
722/* RPL_CHANNELMODEIS - "<channel> <mode> <mode params>" */
723void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e)
724{
725 processIrcEventMode(e);
726}
727
728
729/* RPL_NOTOPIC */
730void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e)
731{
732 if (!checkParamCount(e, 1))
733 return;
734
735 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
736 if (chan)
737 chan->setTopic(QString());
738}
739
740
741/* RPL_TOPIC */
742void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e)
743{
744 if (!checkParamCount(e, 2))
745 return;
746
747 IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
748 if (chan)
749 chan->setTopic(e->params()[1]);
750}
751
752
753/* RPL_WHOREPLY: "<channel> <user> <host> <server> <nick>
754 ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] :<hopcount> <real name>" */
755void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e)
756{
757 if (!checkParamCount(e, 6))
758 return;
759
760 QString channel = e->params()[0];
761 IrcUser *ircuser = e->network()->ircUser(e->params()[4]);
762 if (ircuser) {
763 ircuser->setUser(e->params()[1]);
764 ircuser->setHost(e->params()[2]);
765
766 bool away = e->params()[5].startsWith("G");
767 ircuser->setAway(away);
768 ircuser->setServer(e->params()[3]);
769 ircuser->setRealName(e->params().last().section(" ", 1));
770 }
771
772 if (coreNetwork(e)->isAutoWhoInProgress(channel))
773 e->setFlag(EventManager::Silent);
774}
775
776
777/* RPL_NAMREPLY */
778void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e)
779{
780 if (!checkParamCount(e, 3))
781 return;
782
783 // param[0] is either "=", "*" or "@" indicating a public, private or secret channel
784 // we don't use this information at the time beeing
785 QString channelname = e->params()[1];
786
787 IrcChannel *channel = e->network()->ircChannel(channelname);
788 if (!channel) {
789 qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname;
790 return;
791 }
792
793 QStringList nicks;
794 QStringList modes;
795
796 foreach(QString nick, e->params()[2].split(' ', QString::SkipEmptyParts)) {
797 QString mode;
798
799 if (e->network()->prefixes().contains(nick[0])) {
800 mode = e->network()->prefixToMode(nick[0]);
801 nick = nick.mid(1);
802 }
803
804 nicks << nick;
805 modes << mode;
806 }
807
808 channel->joinIrcUsers(nicks, modes);
809}
810
811
812/* ERR_ERRONEUSNICKNAME */
813void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e)
814{
815 if (!checkParamCount(e, 1))
816 return;
817
818 QString errnick;
819 if (e->params().count() < 2) {
820 // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase:
821 // nick @@@
822 // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters
823 // correct server reply:
824 // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters
825 e->params().prepend(e->target());
826 e->setTarget("*");
827 }
828 errnick = e->params()[0];
829
830 tryNextNick(e, errnick, true /* erroneus */);
831}
832
833
834/* ERR_NICKNAMEINUSE */
835void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e)
836{
837 if (!checkParamCount(e, 1))
838 return;
839
840 QString errnick = e->params().first();
841
842 // if there is a problem while connecting to the server -> we handle it
843 // but only if our connection has not been finished yet...
844 if (!e->network()->currentServer().isEmpty())
845 return;
846
847 tryNextNick(e, errnick);
848}
849
850
851/* ERR_UNAVAILRESOURCE */
852void CoreSessionEventProcessor::processIrcEvent437(IrcEventNumeric *e)
853{
854 if (!checkParamCount(e, 1))
855 return;
856
857 QString errnick = e->params().first();
858
859 // if there is a problem while connecting to the server -> we handle it
860 // but only if our connection has not been finished yet...
861 if (!e->network()->currentServer().isEmpty())
862 return;
863
864 if (!e->network()->isChannelName(errnick))
865 tryNextNick(e, errnick);
866}
867
868
869/* template
870void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) {
871 if(!checkParamCount(e, 1))
872 return;
873
874}
875*/
876
877/* Handle signals from Netsplit objects */
878
879void CoreSessionEventProcessor::handleNetsplitJoin(Network *net,
880 const QString &channel,
881 const QStringList &users,
882 const QStringList &modes,
883 const QString &quitMessage)
884{
885 IrcChannel *ircChannel = net->ircChannel(channel);
886 if (!ircChannel) {
887 return;
888 }
889 QList<IrcUser *> ircUsers;
890 QStringList newModes = modes;
891 QStringList newUsers = users;
892
893 foreach(const QString &user, users) {
894 IrcUser *iu = net->ircUser(nickFromMask(user));
895 if (iu)
896 ircUsers.append(iu);
897 else { // the user already quit
898 int idx = users.indexOf(user);
899 newUsers.removeAt(idx);
900 newModes.removeAt(idx);
901 }
902 }
903
904 ircChannel->joinIrcUsers(ircUsers, newModes);
905 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage);
906 emit newEvent(event);
907}
908
909
910void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage)
911{
912 NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage);
913 emit newEvent(event);
914 foreach(QString user, users) {
915 IrcUser *iu = net->ircUser(nickFromMask(user));
916 if (iu)
917 iu->quit();
918 }
919}
920
921
922void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes)
923{
924 IrcChannel *ircChannel = net->ircChannel(channel);
925 if (!ircChannel) {
926 qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid";
927 return;
928 }
929 QList<NetworkEvent *> events;
930 QList<IrcUser *> ircUsers;
931 QStringList newModes = modes;
932
933 foreach(QString user, users) {
934 IrcUser *iu = net->updateNickFromMask(user);
935 if (iu) {
936 ircUsers.append(iu);
937 // fake event for scripts that consume join events
938 events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel);
939 }
940 else {
941 newModes.removeAt(users.indexOf(user));
942 }
943 }
944 ircChannel->joinIrcUsers(ircUsers, newModes);
945 foreach(NetworkEvent *event, events) {
946 event->setFlag(EventManager::Fake); // ignore this in here!
947 emit newEvent(event);
948 }
949}
950
951
952void CoreSessionEventProcessor::handleNetsplitFinished()
953{
954 Netsplit *n = qobject_cast<Netsplit *>(sender());
955 Q_ASSERT(n);
956 QHash<QString, Netsplit *> splithash = _netsplits.take(n->network());
957 splithash.remove(splithash.key(n));
958 if (splithash.count())
959 _netsplits[n->network()] = splithash;
960 n->deleteLater();
961}
962
963
964void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId)
965{
966 Network *net = coreSession()->network(netId);
967 if (!net)
968 return;
969
970 QHash<QString, Netsplit *> splits = _netsplits.take(net);
971 qDeleteAll(splits);
972}
973
974
975/*******************************/
976/******** CTCP HANDLING ********/
977/*******************************/
978
979void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e)
980{
981 if (e->testFlag(EventManager::Self))
982 return; // ignore ctcp events generated by user input
983
984 if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query)
985 return;
986
987 handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e));
988}
989
990
991void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e)
992{
993 // This handler is only there to avoid warnings for unknown CTCPs
994 Q_UNUSED(e);
995 Q_UNUSED(ctcpCmd);
996}
997
998
999void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e)
1000{
1001 // This handler is only there to feed CLIENTINFO
1002 Q_UNUSED(e);
1003}
1004
1005
1006void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e)
1007{
1008 QStringList supportedHandlers;
1009 foreach(QString handler, providesHandlers())
1010 supportedHandlers << handler.toUpper();
1011 qSort(supportedHandlers);
1012 e->setReply(supportedHandlers.join(" "));
1013}
1014
1015
1016// http://www.irchelp.org/irchelp/rfc/ctcpspec.html
1017// http://en.wikipedia.org/wiki/Direct_Client-to-Client
1018void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e)
1019{
1020 // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in
1021 if (!Quassel::isOptionSet("enable-experimental-dcc")) {
1022 quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
1023 return;
1024 }
1025
1026 // normal: SEND <filename> <ip> <port> [<filesize>]
1027 // reverse: SEND <filename> <ip> 0 <filesize> <token>
1028 QStringList params = e->param().split(' ');
1029 if (params.count()) {
1030 QString cmd = params[0].toUpper();
1031 if (cmd == "SEND") {
1032 if (params.count() < 4) {
1033 qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client
1034 return;
1035 }
1036 QString filename = params[1];
1037 QHostAddress address;
1038 quint16 port = params[3].toUShort();
1039 quint64 size = 0;
1040 QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon)
1041 if (numIp.contains(':')) { // IPv6
1042 if (!address.setAddress(numIp)) {
1043 qWarning() << "Invalid IPv6:" << numIp;
1044 return;
1045 }
1046 }
1047 else {
1048 address.setAddress(numIp.toUInt());
1049 }
1050
1051 if (port == 0) { // Reverse DCC is indicated by a 0 port
1052 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp()));
1053 return;
1054 }
1055 if (port < 1024) {
1056 qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok
1057 }
1058
1059
1060 if (params.count() > 4) { // filesize is optional
1061 size = params[4].toULong();
1062 }
1063
1064 // TODO: check if target is the right thing to use for the partner
1065 CoreTransfer *transfer = new CoreTransfer(Transfer::Receive, e->target(), filename, address, port, size, this);
1066 coreSession()->signalProxy()->synchronize(transfer);
1067 coreSession()->transferManager()->addTransfer(transfer);
1068 }
1069 else {
1070 emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp()));
1071 return;
1072 }
1073 }
1074}
1075
1076
1077void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e)
1078{
1079 e->setReply(e->param().isNull() ? "" : e->param());
1080}
1081
1082
1083void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e)
1084{
1085 e->setReply(QDateTime::currentDateTime().toString());
1086}
1087
1088
1089void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
1090{
1091 e->setReply(QString("Quassel IRC %1 (built on %2) -- http://www.quassel-irc.org")
1092 .arg(Quassel::buildInfo().plainVersionString).arg(Quassel::buildInfo().buildDate));
1093}
1094