1 /***************************************************************************
2 * Copyright (C) 2005-2013 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 "coreuserinputhandler.h"
25 #include "ctcpparser.h"
33 CoreUserInputHandler::CoreUserInputHandler(CoreNetwork *parent)
34 : CoreBasicHandler(parent)
39 void CoreUserInputHandler::handleUserInput(const BufferInfo &bufferInfo, const QString &msg)
44 AliasManager::CommandList list = coreSession()->aliasManager().processInput(bufferInfo, msg);
46 for (int i = 0; i < list.count(); i++) {
47 QString cmd = list.at(i).second.section(' ', 0, 0).remove(0, 1).toUpper();
48 QString payload = list.at(i).second.section(' ', 1);
49 handle(cmd, Q_ARG(BufferInfo, list.at(i).first), Q_ARG(QString, payload));
54 // ====================
56 // ====================
57 void CoreUserInputHandler::handleAway(const BufferInfo &bufferInfo, const QString &msg)
60 if (msg.startsWith("-all")) {
61 if (msg.length() == 4) {
62 coreSession()->globalAway();
65 Q_ASSERT(msg.length() > 4);
67 coreSession()->globalAway(msg.mid(5));
75 void CoreUserInputHandler::issueAway(const QString &msg, bool autoCheck)
77 QString awayMsg = msg;
78 IrcUser *me = network()->me();
80 // if there is no message supplied we have to check if we are already away or not
81 if (autoCheck && msg.isEmpty()) {
82 if (me && !me->isAway()) {
83 Identity *identity = network()->identityPtr();
85 awayMsg = identity->awayReason();
87 if (awayMsg.isEmpty()) {
93 me->setAwayMessage(awayMsg);
95 putCmd("AWAY", serverEncode(awayMsg));
99 void CoreUserInputHandler::handleBan(const BufferInfo &bufferInfo, const QString &msg)
101 banOrUnban(bufferInfo, msg, true);
105 void CoreUserInputHandler::handleUnban(const BufferInfo &bufferInfo, const QString &msg)
107 banOrUnban(bufferInfo, msg, false);
111 void CoreUserInputHandler::banOrUnban(const BufferInfo &bufferInfo, const QString &msg, bool ban)
116 QStringList params = msg.split(" ");
118 if (!params.isEmpty() && isChannelName(params[0])) {
119 banChannel = params.takeFirst();
121 else if (bufferInfo.type() == BufferInfo::ChannelBuffer) {
122 banChannel = bufferInfo.bufferName();
125 emit displayMsg(Message::Error, BufferInfo::StatusBuffer, "", QString("Error: channel unknown in command: /BAN %1").arg(msg));
129 if (!params.isEmpty() && !params.contains("!") && network()->ircUser(params[0])) {
130 IrcUser *ircuser = network()->ircUser(params[0]);
131 // generalizedHost changes <nick> to *!ident@*.sld.tld.
132 QString generalizedHost = ircuser->host();
133 if (generalizedHost.isEmpty()) {
134 emit displayMsg(Message::Error, BufferInfo::StatusBuffer, "", QString("Error: host unknown in command: /BAN %1").arg(msg));
138 static QRegExp ipAddress("\\d+\\.\\d+\\.\\d+\\.\\d+");
139 if (ipAddress.exactMatch(generalizedHost)) {
140 int lastDotPos = generalizedHost.lastIndexOf('.') + 1;
141 generalizedHost.replace(lastDotPos, generalizedHost.length() - lastDotPos, '*');
143 else if (generalizedHost.lastIndexOf(".") != -1 && generalizedHost.lastIndexOf(".", generalizedHost.lastIndexOf(".")-1) != -1) {
144 int secondLastPeriodPosition = generalizedHost.lastIndexOf(".", generalizedHost.lastIndexOf(".")-1);
145 generalizedHost.replace(0, secondLastPeriodPosition, "*");
147 banUser = QString("*!%1@%2").arg(ircuser->user(), generalizedHost);
150 banUser = params.join(" ");
153 QString banMode = ban ? "+b" : "-b";
154 QString banMsg = QString("MODE %1 %2 %3").arg(banChannel, banMode, banUser);
155 emit putRawLine(serverEncode(banMsg));
159 void CoreUserInputHandler::handleCtcp(const BufferInfo &bufferInfo, const QString &msg)
163 QString nick = msg.section(' ', 0, 0);
164 QString ctcpTag = msg.section(' ', 1, 1).toUpper();
165 if (ctcpTag.isEmpty())
168 QString message = msg.section(' ', 2);
169 QString verboseMessage = tr("sending CTCP-%1 request to %2").arg(ctcpTag).arg(nick);
171 if (ctcpTag == "PING") {
172 uint now = QDateTime::currentDateTime().toTime_t();
173 message = QString::number(now);
176 // FIXME make this a proper event
177 coreNetwork()->coreSession()->ctcpParser()->query(coreNetwork(), nick, ctcpTag, message);
178 emit displayMsg(Message::Action, BufferInfo::StatusBuffer, "", verboseMessage, network()->myNick());
182 void CoreUserInputHandler::handleDelkey(const BufferInfo &bufferInfo, const QString &msg)
184 QString bufname = bufferInfo.bufferName().isNull() ? "" : bufferInfo.bufferName();
186 if (!bufferInfo.isValid())
189 if (!Cipher::neededFeaturesAvailable()) {
190 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: QCA provider plugin not found. It is usually provided by the qca-ossl plugin."));
194 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
196 if (parms.isEmpty() && !bufferInfo.bufferName().isEmpty() && bufferInfo.acceptsRegularMessages())
197 parms.prepend(bufferInfo.bufferName());
199 if (parms.isEmpty()) {
200 emit displayMsg(Message::Info, typeByTarget(bufname), bufname,
201 tr("[usage] /delkey <nick|channel> deletes the encryption key for nick or channel or just /delkey when in a channel or query."));
205 QString target = parms.at(0);
207 if (network()->cipherKey(target).isEmpty()) {
208 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("No key has been set for %1.").arg(target));
212 network()->setCipherKey(target, QByteArray());
213 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("The key for %1 has been deleted.").arg(target));
217 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: Setting an encryption key requires Quassel to have been built "
218 "with support for the Qt Cryptographic Architecture (QCA2) library. "
219 "Contact your distributor about a Quassel package with QCA2 "
220 "support, or rebuild Quassel with QCA2 present."));
224 void CoreUserInputHandler::doMode(const BufferInfo &bufferInfo, const QChar& addOrRemove, const QChar& mode, const QString &nicks)
228 int maxModes = network()->support("MODES").toInt(&isNumber);
229 if (!isNumber || maxModes == 0) maxModes = 1;
231 QStringList nickList;
232 if (nicks == "*") { // All users in channel
233 const QList<IrcUser*> users = network()->ircChannel(bufferInfo.bufferName())->ircUsers();
234 foreach(IrcUser *user, users) {
235 if ((addOrRemove == '+' && !network()->ircChannel(bufferInfo.bufferName())->userModes(user).contains(mode))
236 || (addOrRemove == '-' && network()->ircChannel(bufferInfo.bufferName())->userModes(user).contains(mode)))
237 nickList.append(user->nick());
240 nickList = nicks.split(' ', QString::SkipEmptyParts);
243 if (nickList.count() == 0) return;
245 while (!nickList.isEmpty()) {
246 int amount = qMin(nickList.count(), maxModes);
247 QString m = addOrRemove; for(int i = 0; i < amount; i++) m += mode;
249 params << bufferInfo.bufferName() << m;
250 for(int i = 0; i < amount; i++) params << nickList.takeFirst();
251 emit putCmd("MODE", serverEncode(params));
256 void CoreUserInputHandler::handleDeop(const BufferInfo &bufferInfo, const QString &nicks)
258 doMode(bufferInfo, '-', 'o', nicks);
262 void CoreUserInputHandler::handleDehalfop(const BufferInfo &bufferInfo, const QString &nicks)
264 doMode(bufferInfo, '-', 'h', nicks);
268 void CoreUserInputHandler::handleDevoice(const BufferInfo &bufferInfo, const QString &nicks)
270 doMode(bufferInfo, '-', 'v', nicks);
273 void CoreUserInputHandler::handleHalfop(const BufferInfo &bufferInfo, const QString &nicks)
275 doMode(bufferInfo, '+', 'h', nicks);
278 void CoreUserInputHandler::handleOp(const BufferInfo &bufferInfo, const QString &nicks) {
279 doMode(bufferInfo, '+', 'o', nicks);
283 void CoreUserInputHandler::handleInvite(const BufferInfo &bufferInfo, const QString &msg)
286 params << msg << bufferInfo.bufferName();
287 emit putCmd("INVITE", serverEncode(params));
291 void CoreUserInputHandler::handleJoin(const BufferInfo &bufferInfo, const QString &msg)
293 Q_UNUSED(bufferInfo);
295 // trim spaces before chans or keys
296 QString sane_msg = msg;
297 sane_msg.replace(QRegExp(", +"), ",");
298 QStringList params = sane_msg.trimmed().split(" ");
300 QStringList chans = params[0].split(",", QString::SkipEmptyParts);
302 if (params.count() > 1)
303 keys = params[1].split(",");
306 for (i = 0; i < chans.count(); i++) {
307 if (!network()->isChannelName(chans[i]))
308 chans[i].prepend('#');
310 if (i < keys.count()) {
311 network()->addChannelKey(chans[i], keys[i]);
314 network()->removeChannelKey(chans[i]);
318 static const char *cmd = "JOIN";
320 QStringList joinChans, joinKeys;
321 int slicesize = chans.count();
322 QList<QByteArray> encodedParams;
324 // go through all to-be-joined channels and (re)build the join list
325 while (i < chans.count()) {
326 joinChans.append(chans.at(i));
327 if (i < keys.count())
328 joinKeys.append(keys.at(i));
330 // if the channel list we built so far either contains all requested channels or exceeds
331 // the desired amount of channels in this slice, try to send what we have so far
332 if (++i == chans.count() || joinChans.count() >= slicesize) {
334 params.append(joinChans.join(","));
335 params.append(joinKeys.join(","));
336 encodedParams = serverEncode(params);
337 // check if it fits in one command
338 if (lastParamOverrun(cmd, encodedParams) == 0) {
339 emit putCmd(cmd, encodedParams);
341 else if (slicesize > 1) {
342 // back to start of slice, try again with half the amount of channels
353 void CoreUserInputHandler::handleKeyx(const BufferInfo &bufferInfo, const QString &msg)
355 QString bufname = bufferInfo.bufferName().isNull() ? "" : bufferInfo.bufferName();
357 if (!bufferInfo.isValid())
360 if (!Cipher::neededFeaturesAvailable()) {
361 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: QCA provider plugin not found. It is usually provided by the qca-ossl plugin."));
365 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
367 if (parms.count() == 0 && !bufferInfo.bufferName().isEmpty() && bufferInfo.acceptsRegularMessages())
368 parms.prepend(bufferInfo.bufferName());
369 else if (parms.count() != 1) {
370 emit displayMsg(Message::Info, typeByTarget(bufname), bufname,
371 tr("[usage] /keyx [<nick>] Initiates a DH1080 key exchange with the target."));
375 QString target = parms.at(0);
377 if (network()->isChannelName(target)) {
378 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("It is only possible to exchange keys in a query buffer."));
382 Cipher *cipher = network()->cipher(target);
383 if (!cipher) // happens when there is no CoreIrcChannel for the target
386 QByteArray pubKey = cipher->initKeyExchange();
387 if (pubKey.isEmpty())
388 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Failed to initiate key exchange with %1.").arg(target));
390 QList<QByteArray> params;
391 params << serverEncode(target) << serverEncode("DH1080_INIT ") + pubKey;
392 emit putCmd("NOTICE", params);
393 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("Initiated key exchange with %1.").arg(target));
397 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: Setting an encryption key requires Quassel to have been built "
398 "with support for the Qt Cryptographic Architecture (QCA) library. "
399 "Contact your distributor about a Quassel package with QCA "
400 "support, or rebuild Quassel with QCA present."));
405 void CoreUserInputHandler::handleKick(const BufferInfo &bufferInfo, const QString &msg)
407 QString nick = msg.section(' ', 0, 0, QString::SectionSkipEmpty);
408 QString reason = msg.section(' ', 1, -1, QString::SectionSkipEmpty).trimmed();
409 if (reason.isEmpty())
410 reason = network()->identityPtr()->kickReason();
412 QList<QByteArray> params;
413 params << serverEncode(bufferInfo.bufferName()) << serverEncode(nick) << channelEncode(bufferInfo.bufferName(), reason);
414 emit putCmd("KICK", params);
418 void CoreUserInputHandler::handleKill(const BufferInfo &bufferInfo, const QString &msg)
421 QString nick = msg.section(' ', 0, 0, QString::SectionSkipEmpty);
422 QString pass = msg.section(' ', 1, -1, QString::SectionSkipEmpty);
423 QList<QByteArray> params;
424 params << serverEncode(nick) << serverEncode(pass);
425 emit putCmd("KILL", params);
429 void CoreUserInputHandler::handleList(const BufferInfo &bufferInfo, const QString &msg)
432 emit putCmd("LIST", serverEncode(msg.split(' ', QString::SkipEmptyParts)));
436 void CoreUserInputHandler::handleMe(const BufferInfo &bufferInfo, const QString &msg)
438 if (bufferInfo.bufferName().isEmpty() || !bufferInfo.acceptsRegularMessages())
439 return; // server buffer
440 // FIXME make this a proper event
441 coreNetwork()->coreSession()->ctcpParser()->query(coreNetwork(), bufferInfo.bufferName(), "ACTION", msg);
442 emit displayMsg(Message::Action, bufferInfo.type(), bufferInfo.bufferName(), msg, network()->myNick(), Message::Self);
446 void CoreUserInputHandler::handleMode(const BufferInfo &bufferInfo, const QString &msg)
450 QStringList params = msg.split(' ', QString::SkipEmptyParts);
451 // if the first argument is neither a channel nor us (user modes are only to oneself) the current buffer is assumed to be the target
452 if (!params.isEmpty()) {
453 if (!network()->isChannelName(params[0]) && !network()->isMyNick(params[0]))
454 params.prepend(bufferInfo.bufferName());
455 if (network()->isMyNick(params[0]) && params.count() == 2)
456 network()->updateIssuedModes(params[1]);
457 if (params[0] == "-reset" && params.count() == 1) {
458 // FIXME: give feedback to the user (I don't want to add new strings right now)
459 network()->resetPersistentModes();
464 // TODO handle correct encoding for buffer modes (channelEncode())
465 emit putCmd("MODE", serverEncode(params));
469 // TODO: show privmsgs
470 void CoreUserInputHandler::handleMsg(const BufferInfo &bufferInfo, const QString &msg)
472 Q_UNUSED(bufferInfo);
473 if (!msg.contains(' '))
476 QString target = msg.section(' ', 0, 0);
477 QByteArray encMsg = userEncode(target, msg.section(' ', 1));
480 putPrivmsg(serverEncode(target), encMsg, network()->cipher(target));
482 putPrivmsg(serverEncode(target), encMsg);
487 void CoreUserInputHandler::handleNick(const BufferInfo &bufferInfo, const QString &msg)
490 QString nick = msg.section(' ', 0, 0);
491 emit putCmd("NICK", serverEncode(nick));
495 void CoreUserInputHandler::handleNotice(const BufferInfo &bufferInfo, const QString &msg)
497 QString bufferName = msg.section(' ', 0, 0);
498 QString payload = msg.section(' ', 1);
499 QList<QByteArray> params;
500 params << serverEncode(bufferName) << channelEncode(bufferInfo.bufferName(), payload);
501 emit putCmd("NOTICE", params);
502 emit displayMsg(Message::Notice, typeByTarget(bufferName), bufferName, payload, network()->myNick(), Message::Self);
507 void CoreUserInputHandler::handleOper(const BufferInfo &bufferInfo, const QString &msg)
510 emit putRawLine(serverEncode(QString("OPER %1").arg(msg)));
514 void CoreUserInputHandler::handlePart(const BufferInfo &bufferInfo, const QString &msg)
516 QList<QByteArray> params;
519 // msg might contain either a channel name and/or a reaon, so we have to check if the first word is a known channel
520 QString channelName = msg.section(' ', 0, 0);
521 if (channelName.isEmpty() || !network()->ircChannel(channelName)) {
522 channelName = bufferInfo.bufferName();
526 partReason = msg.mid(channelName.length() + 1);
529 if (partReason.isEmpty())
530 partReason = network()->identityPtr()->partReason();
532 params << serverEncode(channelName) << channelEncode(bufferInfo.bufferName(), partReason);
533 emit putCmd("PART", params);
537 void CoreUserInputHandler::handlePing(const BufferInfo &bufferInfo, const QString &msg)
543 param = QTime::currentTime().toString("hh:mm:ss.zzz");
545 putCmd("PING", serverEncode(param));
549 // TODO: implement queries
550 void CoreUserInputHandler::handleQuery(const BufferInfo &bufferInfo, const QString &msg)
553 QString target = msg.section(' ', 0, 0);
554 QString message = msg.section(' ', 1);
555 if (message.isEmpty())
556 emit displayMsg(Message::Server, BufferInfo::QueryBuffer, target, tr("Starting query with %1").arg(target), network()->myNick(), Message::Self);
558 emit displayMsg(Message::Plain, BufferInfo::QueryBuffer, target, message, network()->myNick(), Message::Self);
559 handleMsg(bufferInfo, msg);
563 void CoreUserInputHandler::handleQuit(const BufferInfo &bufferInfo, const QString &msg)
566 network()->disconnectFromIrc(true, msg);
570 void CoreUserInputHandler::issueQuit(const QString &reason)
572 emit putCmd("QUIT", serverEncode(reason));
576 void CoreUserInputHandler::handleQuote(const BufferInfo &bufferInfo, const QString &msg)
579 emit putRawLine(serverEncode(msg));
583 void CoreUserInputHandler::handleSay(const BufferInfo &bufferInfo, const QString &msg)
585 if (bufferInfo.bufferName().isEmpty() || !bufferInfo.acceptsRegularMessages())
586 return; // server buffer
588 QByteArray encMsg = channelEncode(bufferInfo.bufferName(), msg);
590 putPrivmsg(serverEncode(bufferInfo.bufferName()), encMsg, network()->cipher(bufferInfo.bufferName()));
592 putPrivmsg(serverEncode(bufferInfo.bufferName()), encMsg);
594 emit displayMsg(Message::Plain, bufferInfo.type(), bufferInfo.bufferName(), msg, network()->myNick(), Message::Self);
598 void CoreUserInputHandler::handleSetkey(const BufferInfo &bufferInfo, const QString &msg)
600 QString bufname = bufferInfo.bufferName().isNull() ? "" : bufferInfo.bufferName();
602 if (!bufferInfo.isValid())
605 if (!Cipher::neededFeaturesAvailable()) {
606 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: QCA provider plugin not found. It is usually provided by the qca-ossl plugin."));
610 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
612 if (parms.count() == 1 && !bufferInfo.bufferName().isEmpty() && bufferInfo.acceptsRegularMessages())
613 parms.prepend(bufferInfo.bufferName());
614 else if (parms.count() != 2) {
615 emit displayMsg(Message::Info, typeByTarget(bufname), bufname,
616 tr("[usage] /setkey <nick|channel> <key> sets the encryption key for nick or channel. "
617 "/setkey <key> when in a channel or query buffer sets the key for it."));
621 QString target = parms.at(0);
622 QByteArray key = parms.at(1).toLocal8Bit();
623 network()->setCipherKey(target, key);
625 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("The key for %1 has been set.").arg(target));
628 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: Setting an encryption key requires Quassel to have been built "
629 "with support for the Qt Cryptographic Architecture (QCA) library. "
630 "Contact your distributor about a Quassel package with QCA "
631 "support, or rebuild Quassel with QCA present."));
636 void CoreUserInputHandler::handleShowkey(const BufferInfo &bufferInfo, const QString &msg)
638 QString bufname = bufferInfo.bufferName().isNull() ? "" : bufferInfo.bufferName();
640 if (!bufferInfo.isValid())
643 if (!Cipher::neededFeaturesAvailable()) {
644 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: QCA provider plugin not found. It is usually provided by the qca-ossl plugin."));
648 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
650 if (parms.isEmpty() && !bufferInfo.bufferName().isEmpty() && bufferInfo.acceptsRegularMessages())
651 parms.prepend(bufferInfo.bufferName());
653 if (parms.isEmpty()) {
654 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("[usage] /showkey <nick|channel> shows the encryption key for nick or channel or just /showkey when in a channel or query."));
658 QString target = parms.at(0);
659 QByteArray key = network()->cipherKey(target);
662 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("No key has been set for %1.").arg(target));
666 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("The key for %1 is %2:%3").arg(target, network()->cipherUsesCBC(target) ? "CBC" : "ECB", QString(key)));
670 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: Setting an encryption key requires Quassel to have been built "
671 "with support for the Qt Cryptographic Architecture (QCA2) library. "
672 "Contact your distributor about a Quassel package with QCA2 "
673 "support, or rebuild Quassel with QCA2 present."));
678 void CoreUserInputHandler::handleTopic(const BufferInfo &bufferInfo, const QString &msg)
680 if (bufferInfo.bufferName().isEmpty() || !bufferInfo.acceptsRegularMessages())
683 QList<QByteArray> params;
684 params << serverEncode(bufferInfo.bufferName());
686 if (!msg.isEmpty()) {
688 params << encrypt(bufferInfo.bufferName(), channelEncode(bufferInfo.bufferName(), msg));
690 params << channelEncode(bufferInfo.bufferName(), msg);
694 emit putCmd("TOPIC", params);
698 void CoreUserInputHandler::handleVoice(const BufferInfo &bufferInfo, const QString &msg)
700 QStringList nicks = msg.split(' ', QString::SkipEmptyParts);
701 QString m = "+"; for (int i = 0; i < nicks.count(); i++) m += 'v';
703 params << bufferInfo.bufferName() << m << nicks;
704 emit putCmd("MODE", serverEncode(params));
708 void CoreUserInputHandler::handleWait(const BufferInfo &bufferInfo, const QString &msg)
710 int splitPos = msg.indexOf(';');
715 int delay = msg.left(splitPos).trimmed().toInt(&ok);
721 QString command = msg.mid(splitPos + 1).trimmed();
722 if (command.isEmpty())
725 _delayedCommands[startTimer(delay)] = Command(bufferInfo, command);
729 void CoreUserInputHandler::handleWho(const BufferInfo &bufferInfo, const QString &msg)
732 emit putCmd("WHO", serverEncode(msg.split(' ')));
736 void CoreUserInputHandler::handleWhois(const BufferInfo &bufferInfo, const QString &msg)
739 emit putCmd("WHOIS", serverEncode(msg.split(' ')));
743 void CoreUserInputHandler::handleWhowas(const BufferInfo &bufferInfo, const QString &msg)
746 emit putCmd("WHOWAS", serverEncode(msg.split(' ')));
750 void CoreUserInputHandler::defaultHandler(QString cmd, const BufferInfo &bufferInfo, const QString &msg)
752 Q_UNUSED(bufferInfo);
753 emit putCmd(serverEncode(cmd.toUpper()), serverEncode(msg.split(" ")));
757 void CoreUserInputHandler::putPrivmsg(const QByteArray &target, const QByteArray &message, Cipher *cipher)
759 // Encrypted messages need special care. There's no clear relation between cleartext and encrypted message length,
760 // so we can't just compute the maxSplitPos. Instead, we need to loop through the splitpoints until the crypted
761 // version is short enough...
762 // TODO: check out how the various possible encryption methods behave length-wise and make
763 // this clean by predicting the length of the crypted msg.
764 // For example, blowfish-ebc seems to create 8-char chunks.
766 static const char *cmd = "PRIVMSG";
767 static const char *splitter = " .,-";
769 int maxSplitPos = message.count();
770 int splitPos = maxSplitPos;
772 QByteArray crypted = message.left(splitPos);
773 bool isEncrypted = false;
775 if (cipher && !cipher->key().isEmpty() && !message.isEmpty()) {
776 isEncrypted = cipher->encrypt(crypted);
779 int overrun = lastParamOverrun(cmd, QList<QByteArray>() << target << crypted);
781 // In case this is not an encrypted msg, we can just cut off at the end
783 maxSplitPos = message.count() - overrun;
786 for (const char *splitChar = splitter; *splitChar != 0; splitChar++) {
787 splitPos = qMax(splitPos, message.lastIndexOf(*splitChar, maxSplitPos) + 1); // keep split char on old line
789 if (splitPos <= 0 || splitPos > maxSplitPos)
790 splitPos = maxSplitPos;
792 maxSplitPos = splitPos - 1;
793 if (maxSplitPos <= 0) { // this should never happen, but who knows...
794 qWarning() << tr("[Error] Could not encrypt your message: %1").arg(message.data());
797 continue; // we never come back here for !encrypted!
800 // now we have found a valid splitpos (or didn't need to split to begin with)
801 putCmd(cmd, QList<QByteArray>() << target << crypted);
802 if (splitPos < message.count())
803 putPrivmsg(target, message.mid(splitPos), cipher);
810 // returns 0 if the message will not be chopped by the irc server or number of chopped bytes if message is too long
811 int CoreUserInputHandler::lastParamOverrun(const QString &cmd, const QList<QByteArray> ¶ms)
813 // the server will pass our message truncated to 512 bytes including CRLF with the following format:
814 // ":prefix COMMAND param0 param1 :lastparam"
815 // where prefix = "nickname!user@host"
816 // that means that the last message can be as long as:
817 // 512 - nicklen - userlen - hostlen - commandlen - sum(param[0]..param[n-1])) - 2 (for CRLF) - 4 (":!@" + 1space between prefix and command) - max(paramcount - 1, 0) (space for simple params) - 2 (space and colon for last param)
818 IrcUser *me = network()->me();
819 int maxLen = 480 - cmd.toAscii().count(); // educated guess in case we don't know us (yet?)
822 maxLen = 512 - serverEncode(me->nick()).count() - serverEncode(me->user()).count() - serverEncode(me->host()).count() - cmd.toAscii().count() - 6;
824 if (!params.isEmpty()) {
825 for (int i = 0; i < params.count() - 1; i++) {
826 maxLen -= (params[i].count() + 1);
828 maxLen -= 2; // " :" last param separator;
830 if (params.last().count() > maxLen) {
831 return params.last().count() - maxLen;
844 QByteArray CoreUserInputHandler::encrypt(const QString &target, const QByteArray &message_, bool *didEncrypt) const
849 if (message_.isEmpty())
852 if (!Cipher::neededFeaturesAvailable())
855 Cipher *cipher = network()->cipher(target);
856 if (!cipher || cipher->key().isEmpty())
859 QByteArray message = message_;
860 bool result = cipher->encrypt(message);
862 *didEncrypt = result;
870 void CoreUserInputHandler::timerEvent(QTimerEvent *event)
872 if (!_delayedCommands.contains(event->timerId())) {
873 QObject::timerEvent(event);
876 BufferInfo bufferInfo = _delayedCommands[event->timerId()].bufferInfo;
877 QString rawCommand = _delayedCommands[event->timerId()].command;
878 _delayedCommands.remove(event->timerId());
881 // the stored command might be the result of an alias expansion, so we need to split it up again
882 QStringList commands = rawCommand.split(QRegExp("; ?"));
883 foreach(QString command, commands) {
884 handleUserInput(bufferInfo, command);