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 | |
40 | CoreSessionEventProcessor::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 | |
49 | bool 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 | |
66 | void 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 | |
92 | void 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 | |
110 | void 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 | |
141 | void 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 | |
165 | void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e) |
166 | { |
167 | if (checkParamCount(e, 2)) { |
168 | e->network()->updateNickFromMask(e->prefix()); |
169 | } |
170 | } |
171 | |
172 | |
173 | void 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 | |
205 | void 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 | |
218 | void 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 | |
330 | void 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 | |
350 | void 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 | |
366 | void 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 | |
374 | void 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 | |
387 | void 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 | |
422 | void 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 | |
435 | void 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 |
447 | void 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 */ |
483 | void 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 |
492 | void 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>]" */ |
510 | void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *) |
511 | { |
512 | // TODO: save information in network object |
513 | } |
514 | |
515 | |
516 | /* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */ |
517 | void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *) |
518 | { |
519 | // TODO: save information in network object |
520 | } |
521 | |
522 | |
523 | /* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */ |
524 | void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *) |
525 | { |
526 | // TODO: save information in network object |
527 | } |
528 | |
529 | |
530 | /* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */ |
531 | void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *) |
532 | { |
533 | // TODO: save information in network object |
534 | } |
535 | |
536 | |
537 | /* |
538 | WHOIS-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>" |
542 | WHO-Message: |
543 | Replies 352 and 315 paired are used to answer a WHO message. |
544 | |
545 | WHOWAS-Message: |
546 | Replies 314 and 369 are responses to a WHOWAS message. |
547 | |
548 | */ |
549 | |
550 | /* RPL_AWAY - "<nick> :<away message>" */ |
551 | void 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" */ |
566 | void 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" */ |
580 | void 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" */ |
589 | void 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." */ |
601 | void 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>" */ |
613 | void 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>" */ |
628 | void 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" */ |
640 | void 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" */ |
652 | void 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) */ |
664 | void 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>" */ |
687 | void 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" */ |
712 | void 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>" */ |
723 | void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e) |
724 | { |
725 | processIrcEventMode(e); |
726 | } |
727 | |
728 | |
729 | /* RPL_NOTOPIC */ |
730 | void 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 */ |
742 | void 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>" */ |
755 | void 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 */ |
778 | void 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 */ |
813 | void 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 */ |
835 | void 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 */ |
852 | void 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 |
870 | void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) { |
871 | if(!checkParamCount(e, 1)) |
872 | return; |
873 | |
874 | } |
875 | */ |
876 | |
877 | /* Handle signals from Netsplit objects */ |
878 | |
879 | void 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 | |
910 | void 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 | |
922 | void 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 | |
952 | void 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 | |
964 | void 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 | |
979 | void 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 | |
991 | void 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 | |
999 | void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e) |
1000 | { |
1001 | // This handler is only there to feed CLIENTINFO |
1002 | Q_UNUSED(e); |
1003 | } |
1004 | |
1005 | |
1006 | void 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 |
1018 | void 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 | |
1077 | void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e) |
1078 | { |
1079 | e->setReply(e->param().isNull() ? "" : e->param()); |
1080 | } |
1081 | |
1082 | |
1083 | void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e) |
1084 | { |
1085 | e->setReply(QDateTime::currentDateTime().toString()); |
1086 | } |
1087 | |
1088 | |
1089 | void 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 | |