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)
185 if (!bufferInfo.isValid())
188 if (!Cipher::neededFeaturesAvailable())
191 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
193 if (parms.isEmpty() && !bufferInfo.bufferName().isEmpty())
194 parms.prepend(bufferInfo.bufferName());
196 if (parms.isEmpty()) {
197 emit displayMsg(Message::Info, bufferInfo.bufferName(), "",
198 tr("[usage] /delkey <nick|channel> deletes the encryption key for nick or channel or just /delkey when in a channel or query."));
202 QString target = parms.at(0);
204 if (network()->cipherKey(target).isEmpty()) {
205 emit displayMsg(Message::Info, bufferInfo.bufferName(), tr("No key has been set for %1.").arg(target));
209 network()->setCipherKey(target, QByteArray());
211 if (network()->isChannelName(target) && network()->channels().contains(target)) {
212 qobject_cast<CoreIrcChannel *>(network()->ircChannel(target))->setEncrypted(false);
214 else if (network()->nicks().contains(target)) {
215 qobject_cast<CoreIrcUser *>(network()->ircUser(target))->setEncrypted(false);
218 emit displayMsg(Message::Info, bufferInfo.bufferName(), tr("The key for %1 has been deleted.").arg(target));
222 emit displayMsg(Message::Error, bufferInfo.bufferName(), "", tr("Error: Setting an encryption key requires Quassel to have been built "
223 "with support for the Qt Cryptographic Architecture (QCA2) library. "
224 "Contact your distributor about a Quassel package with QCA2 "
225 "support, or rebuild Quassel with QCA2 present."));
230 void CoreUserInputHandler::handleDeop(const BufferInfo &bufferInfo, const QString &msg)
232 QStringList nicks = msg.split(' ', QString::SkipEmptyParts);
233 QString m = "-"; for (int i = 0; i < nicks.count(); i++) m += 'o';
235 params << bufferInfo.bufferName() << m << nicks;
236 emit putCmd("MODE", serverEncode(params));
240 void CoreUserInputHandler::handleDehalfop(const BufferInfo &bufferInfo, const QString &msg)
242 QStringList nicks = msg.split(' ', QString::SkipEmptyParts);
243 QString m = "-"; for (int i = 0; i < nicks.count(); i++) m += 'h';
245 params << bufferInfo.bufferName() << m << nicks;
246 emit putCmd("MODE", serverEncode(params));
250 void CoreUserInputHandler::handleDevoice(const BufferInfo &bufferInfo, const QString &msg)
252 QStringList nicks = msg.split(' ', QString::SkipEmptyParts);
253 QString m = "-"; for (int i = 0; i < nicks.count(); i++) m += 'v';
255 params << bufferInfo.bufferName() << m << nicks;
256 emit putCmd("MODE", serverEncode(params));
260 void CoreUserInputHandler::handleInvite(const BufferInfo &bufferInfo, const QString &msg)
263 params << msg << bufferInfo.bufferName();
264 emit putCmd("INVITE", serverEncode(params));
268 void CoreUserInputHandler::handleJoin(const BufferInfo &bufferInfo, const QString &msg)
270 Q_UNUSED(bufferInfo);
272 // trim spaces before chans or keys
273 QString sane_msg = msg;
274 sane_msg.replace(QRegExp(", +"), ",");
275 QStringList params = sane_msg.trimmed().split(" ");
277 QStringList chans = params[0].split(",", QString::SkipEmptyParts);
279 if (params.count() > 1)
280 keys = params[1].split(",");
283 for (i = 0; i < chans.count(); i++) {
284 if (!network()->isChannelName(chans[i]))
285 chans[i].prepend('#');
287 if (i < keys.count()) {
288 network()->addChannelKey(chans[i], keys[i]);
291 network()->removeChannelKey(chans[i]);
295 static const char *cmd = "JOIN";
297 QStringList joinChans, joinKeys;
298 int slicesize = chans.count();
299 QList<QByteArray> encodedParams;
301 // go through all to-be-joined channels and (re)build the join list
302 while (i < chans.count()) {
303 joinChans.append(chans.at(i));
304 if (i < keys.count())
305 joinKeys.append(keys.at(i));
307 // if the channel list we built so far either contains all requested channels or exceeds
308 // the desired amount of channels in this slice, try to send what we have so far
309 if (++i == chans.count() || joinChans.count() >= slicesize) {
311 params.append(joinChans.join(","));
312 params.append(joinKeys.join(","));
313 encodedParams = serverEncode(params);
314 // check if it fits in one command
315 if (lastParamOverrun(cmd, encodedParams) == 0) {
316 emit putCmd(cmd, encodedParams);
318 else if (slicesize > 1) {
319 // back to start of slice, try again with half the amount of channels
330 void CoreUserInputHandler::handleKick(const BufferInfo &bufferInfo, const QString &msg)
332 QString nick = msg.section(' ', 0, 0, QString::SectionSkipEmpty);
333 QString reason = msg.section(' ', 1, -1, QString::SectionSkipEmpty).trimmed();
334 if (reason.isEmpty())
335 reason = network()->identityPtr()->kickReason();
337 QList<QByteArray> params;
338 params << serverEncode(bufferInfo.bufferName()) << serverEncode(nick) << channelEncode(bufferInfo.bufferName(), reason);
339 emit putCmd("KICK", params);
343 void CoreUserInputHandler::handleKill(const BufferInfo &bufferInfo, const QString &msg)
346 QString nick = msg.section(' ', 0, 0, QString::SectionSkipEmpty);
347 QString pass = msg.section(' ', 1, -1, QString::SectionSkipEmpty);
348 QList<QByteArray> params;
349 params << serverEncode(nick) << serverEncode(pass);
350 emit putCmd("KILL", params);
354 void CoreUserInputHandler::handleList(const BufferInfo &bufferInfo, const QString &msg)
357 emit putCmd("LIST", serverEncode(msg.split(' ', QString::SkipEmptyParts)));
361 void CoreUserInputHandler::handleMe(const BufferInfo &bufferInfo, const QString &msg)
363 if (bufferInfo.bufferName().isEmpty()) return; // server buffer
364 // FIXME make this a proper event
365 coreNetwork()->coreSession()->ctcpParser()->query(coreNetwork(), bufferInfo.bufferName(), "ACTION", msg);
366 emit displayMsg(Message::Action, bufferInfo.type(), bufferInfo.bufferName(), msg, network()->myNick(), Message::Self);
370 void CoreUserInputHandler::handleMode(const BufferInfo &bufferInfo, const QString &msg)
374 QStringList params = msg.split(' ', QString::SkipEmptyParts);
375 // 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
376 if (!params.isEmpty()) {
377 if (!network()->isChannelName(params[0]) && !network()->isMyNick(params[0]))
378 params.prepend(bufferInfo.bufferName());
379 if (network()->isMyNick(params[0]) && params.count() == 2)
380 network()->updateIssuedModes(params[1]);
381 if (params[0] == "-reset" && params.count() == 1) {
382 // FIXME: give feedback to the user (I don't want to add new strings right now)
383 network()->resetPersistentModes();
388 // TODO handle correct encoding for buffer modes (channelEncode())
389 emit putCmd("MODE", serverEncode(params));
393 // TODO: show privmsgs
394 void CoreUserInputHandler::handleMsg(const BufferInfo &bufferInfo, const QString &msg)
396 Q_UNUSED(bufferInfo);
397 if (!msg.contains(' '))
400 QString target = msg.section(' ', 0, 0);
401 QByteArray encMsg = userEncode(target, msg.section(' ', 1));
404 putPrivmsg(serverEncode(target), encMsg, network()->cipher(target));
406 putPrivmsg(serverEncode(target), encMsg);
411 void CoreUserInputHandler::handleNick(const BufferInfo &bufferInfo, const QString &msg)
414 QString nick = msg.section(' ', 0, 0);
415 emit putCmd("NICK", serverEncode(nick));
419 void CoreUserInputHandler::handleNotice(const BufferInfo &bufferInfo, const QString &msg)
421 QString bufferName = msg.section(' ', 0, 0);
422 QString payload = msg.section(' ', 1);
423 QList<QByteArray> params;
424 params << serverEncode(bufferName) << channelEncode(bufferInfo.bufferName(), payload);
425 emit putCmd("NOTICE", params);
426 emit displayMsg(Message::Notice, bufferName, payload, network()->myNick(), Message::Self);
430 void CoreUserInputHandler::handleHalfop(const BufferInfo &bufferInfo, const QString &msg)
432 QStringList nicks = msg.split(' ', QString::SkipEmptyParts);
433 QString m = "+"; for (int i = 0; i < nicks.count(); i++) m += 'h';
435 params << bufferInfo.bufferName() << m << nicks;
436 emit putCmd("MODE", serverEncode(params));
440 void CoreUserInputHandler::handleOp(const BufferInfo &bufferInfo, const QString &msg)
442 QStringList nicks = msg.split(' ', QString::SkipEmptyParts);
443 QString m = "+"; for (int i = 0; i < nicks.count(); i++) m += 'o';
445 params << bufferInfo.bufferName() << m << nicks;
446 emit putCmd("MODE", serverEncode(params));
450 void CoreUserInputHandler::handleOper(const BufferInfo &bufferInfo, const QString &msg)
453 emit putRawLine(serverEncode(QString("OPER %1").arg(msg)));
457 void CoreUserInputHandler::handlePart(const BufferInfo &bufferInfo, const QString &msg)
459 QList<QByteArray> params;
462 // msg might contain either a channel name and/or a reaon, so we have to check if the first word is a known channel
463 QString channelName = msg.section(' ', 0, 0);
464 if (channelName.isEmpty() || !network()->ircChannel(channelName)) {
465 channelName = bufferInfo.bufferName();
469 partReason = msg.mid(channelName.length() + 1);
472 if (partReason.isEmpty())
473 partReason = network()->identityPtr()->partReason();
475 params << serverEncode(channelName) << channelEncode(bufferInfo.bufferName(), partReason);
476 emit putCmd("PART", params);
480 void CoreUserInputHandler::handlePing(const BufferInfo &bufferInfo, const QString &msg)
486 param = QTime::currentTime().toString("hh:mm:ss.zzz");
488 putCmd("PING", serverEncode(param));
492 // TODO: implement queries
493 void CoreUserInputHandler::handleQuery(const BufferInfo &bufferInfo, const QString &msg)
496 QString target = msg.section(' ', 0, 0);
497 QString message = msg.section(' ', 1);
498 if (message.isEmpty())
499 emit displayMsg(Message::Server, BufferInfo::QueryBuffer, target, tr("Starting query with %1").arg(target), network()->myNick(), Message::Self);
501 emit displayMsg(Message::Plain, BufferInfo::QueryBuffer, target, message, network()->myNick(), Message::Self);
502 handleMsg(bufferInfo, msg);
506 void CoreUserInputHandler::handleQuit(const BufferInfo &bufferInfo, const QString &msg)
509 network()->disconnectFromIrc(true, msg);
513 void CoreUserInputHandler::issueQuit(const QString &reason)
515 emit putCmd("QUIT", serverEncode(reason));
519 void CoreUserInputHandler::handleQuote(const BufferInfo &bufferInfo, const QString &msg)
522 emit putRawLine(serverEncode(msg));
526 void CoreUserInputHandler::handleSay(const BufferInfo &bufferInfo, const QString &msg)
528 if (bufferInfo.bufferName().isEmpty())
529 return; // server buffer
531 QByteArray encMsg = channelEncode(bufferInfo.bufferName(), msg);
533 putPrivmsg(serverEncode(bufferInfo.bufferName()), encMsg, network()->cipher(bufferInfo.bufferName()));
535 putPrivmsg(serverEncode(bufferInfo.bufferName()), encMsg);
537 emit displayMsg(Message::Plain, bufferInfo.type(), bufferInfo.bufferName(), msg, network()->myNick(), Message::Self);
541 void CoreUserInputHandler::handleSetkey(const BufferInfo &bufferInfo, const QString &msg)
544 if (!bufferInfo.isValid())
547 if (!Cipher::neededFeaturesAvailable())
550 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
552 if (parms.count() == 1 && !bufferInfo.bufferName().isEmpty())
553 parms.prepend(bufferInfo.bufferName());
554 else if (parms.count() != 2) {
555 emit displayMsg(Message::Info, bufferInfo.bufferName(),
556 tr("[usage] /setkey <nick|channel> <key> sets the encryption key for nick or channel. "
557 "/setkey <key> when in a channel or query buffer sets the key for it."));
561 QString target = parms.at(0);
562 QByteArray key = parms.at(1).toLocal8Bit();
564 network()->setCipherKey(target, key);
566 if (network()->isChannelName(target) && network()->channels().contains(target))
567 qobject_cast<CoreIrcChannel *>(network()->ircChannel(target))->setEncrypted(true);
568 else if (network()->nicks().contains(target))
569 qobject_cast<CoreIrcUser *>(network()->ircUser(target))->setEncrypted(true);
571 emit displayMsg(Message::Info, bufferInfo.bufferName(), tr("The key for %1 has been set.").arg(target));
574 emit displayMsg(Message::Error, bufferInfo.bufferName(), tr("Error: Setting an encryption key requires Quassel to have been built "
575 "with support for the Qt Cryptographic Architecture (QCA) library. "
576 "Contact your distributor about a Quassel package with QCA "
577 "support, or rebuild Quassel with QCA present."));
582 void CoreUserInputHandler::handleShowkey(const BufferInfo &bufferInfo, const QString &msg)
585 if (!bufferInfo.isValid())
588 if (!Cipher::neededFeaturesAvailable())
591 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
593 if (parms.isEmpty() && !bufferInfo.bufferName().isEmpty())
594 parms.prepend(bufferInfo.bufferName());
596 if (parms.isEmpty()) {
597 emit displayMsg(Message::Info, bufferInfo.bufferName(), "",
598 tr("[usage] /showkey <nick|channel> shows the encryption key for nick or channel or just /showkey when in a channel or query."));
602 QString target = parms.at(0);
603 QByteArray key = network()->cipherKey(target);
606 emit displayMsg(Message::Info, bufferInfo.bufferName(), tr("No key has been set for %1.").arg(target));
610 emit displayMsg(Message::Info, bufferInfo.bufferName(), tr("The key for %1 is %2").arg(target).arg(QString(key)));
614 emit displayMsg(Message::Error, bufferInfo.bufferName(), "", tr("Error: Setting an encryption key requires Quassel to have been built "
615 "with support for the Qt Cryptographic Architecture (QCA2) library. "
616 "Contact your distributor about a Quassel package with QCA2 "
617 "support, or rebuild Quassel with QCA2 present."));
622 void CoreUserInputHandler::handleTopic(const BufferInfo &bufferInfo, const QString &msg)
624 if (bufferInfo.bufferName().isEmpty())
627 QList<QByteArray> params;
628 params << serverEncode(bufferInfo.bufferName());
630 if (!msg.isEmpty()) {
632 params << encrypt(bufferInfo.bufferName(), channelEncode(bufferInfo.bufferName(), msg));
634 params << channelEncode(bufferInfo.bufferName(), msg);
638 emit putCmd("TOPIC", params);
642 void CoreUserInputHandler::handleVoice(const BufferInfo &bufferInfo, const QString &msg)
644 QStringList nicks = msg.split(' ', QString::SkipEmptyParts);
645 QString m = "+"; for (int i = 0; i < nicks.count(); i++) m += 'v';
647 params << bufferInfo.bufferName() << m << nicks;
648 emit putCmd("MODE", serverEncode(params));
652 void CoreUserInputHandler::handleWait(const BufferInfo &bufferInfo, const QString &msg)
654 int splitPos = msg.indexOf(';');
659 int delay = msg.left(splitPos).trimmed().toInt(&ok);
665 QString command = msg.mid(splitPos + 1).trimmed();
666 if (command.isEmpty())
669 _delayedCommands[startTimer(delay)] = Command(bufferInfo, command);
673 void CoreUserInputHandler::handleWho(const BufferInfo &bufferInfo, const QString &msg)
676 emit putCmd("WHO", serverEncode(msg.split(' ')));
680 void CoreUserInputHandler::handleWhois(const BufferInfo &bufferInfo, const QString &msg)
683 emit putCmd("WHOIS", serverEncode(msg.split(' ')));
687 void CoreUserInputHandler::handleWhowas(const BufferInfo &bufferInfo, const QString &msg)
690 emit putCmd("WHOWAS", serverEncode(msg.split(' ')));
694 void CoreUserInputHandler::defaultHandler(QString cmd, const BufferInfo &bufferInfo, const QString &msg)
696 Q_UNUSED(bufferInfo);
697 emit putCmd(serverEncode(cmd.toUpper()), serverEncode(msg.split(" ")));
701 void CoreUserInputHandler::putPrivmsg(const QByteArray &target, const QByteArray &message, Cipher *cipher)
703 // Encrypted messages need special care. There's no clear relation between cleartext and encrypted message length,
704 // so we can't just compute the maxSplitPos. Instead, we need to loop through the splitpoints until the crypted
705 // version is short enough...
706 // TODO: check out how the various possible encryption methods behave length-wise and make
707 // this clean by predicting the length of the crypted msg.
708 // For example, blowfish-ebc seems to create 8-char chunks.
710 static const char *cmd = "PRIVMSG";
711 static const char *splitter = " .,-";
713 int maxSplitPos = message.count();
714 int splitPos = maxSplitPos;
716 QByteArray crypted = message.left(splitPos);
717 bool isEncrypted = false;
719 if (cipher && !message.isEmpty()) {
720 isEncrypted = cipher->encrypt(crypted);
723 int overrun = lastParamOverrun(cmd, QList<QByteArray>() << target << crypted);
725 // In case this is not an encrypted msg, we can just cut off at the end
727 maxSplitPos = message.count() - overrun;
730 for (const char *splitChar = splitter; *splitChar != 0; splitChar++) {
731 splitPos = qMax(splitPos, message.lastIndexOf(*splitChar, maxSplitPos) + 1); // keep split char on old line
733 if (splitPos <= 0 || splitPos > maxSplitPos)
734 splitPos = maxSplitPos;
736 maxSplitPos = splitPos - 1;
737 if (maxSplitPos <= 0) { // this should never happen, but who knows...
738 qWarning() << tr("[Error] Could not encrypt your message: %1").arg(message.data());
741 continue; // we never come back here for !encrypted!
744 // now we have found a valid splitpos (or didn't need to split to begin with)
745 putCmd(cmd, QList<QByteArray>() << target << crypted);
746 if (splitPos < message.count())
747 putPrivmsg(target, message.mid(splitPos), cipher);
754 // returns 0 if the message will not be chopped by the irc server or number of chopped bytes if message is too long
755 int CoreUserInputHandler::lastParamOverrun(const QString &cmd, const QList<QByteArray> ¶ms)
757 // the server will pass our message truncated to 512 bytes including CRLF with the following format:
758 // ":prefix COMMAND param0 param1 :lastparam"
759 // where prefix = "nickname!user@host"
760 // that means that the last message can be as long as:
761 // 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)
762 IrcUser *me = network()->me();
763 int maxLen = 480 - cmd.toAscii().count(); // educated guess in case we don't know us (yet?)
766 maxLen = 512 - serverEncode(me->nick()).count() - serverEncode(me->user()).count() - serverEncode(me->host()).count() - cmd.toAscii().count() - 6;
768 if (!params.isEmpty()) {
769 for (int i = 0; i < params.count() - 1; i++) {
770 maxLen -= (params[i].count() + 1);
772 maxLen -= 2; // " :" last param separator;
774 if (params.last().count() > maxLen) {
775 return params.last().count() - maxLen;
788 QByteArray CoreUserInputHandler::encrypt(const QString &target, const QByteArray &message_, bool *didEncrypt) const
793 if (message_.isEmpty())
796 if (!Cipher::neededFeaturesAvailable())
799 Cipher *cipher = network()->cipher(target);
803 QByteArray message = message_;
804 bool result = cipher->encrypt(message);
806 *didEncrypt = result;
814 void CoreUserInputHandler::timerEvent(QTimerEvent *event)
816 if (!_delayedCommands.contains(event->timerId())) {
817 QObject::timerEvent(event);
820 BufferInfo bufferInfo = _delayedCommands[event->timerId()].bufferInfo;
821 QString rawCommand = _delayedCommands[event->timerId()].command;
822 _delayedCommands.remove(event->timerId());
825 // the stored command might be the result of an alias expansion, so we need to split it up again
826 QStringList commands = rawCommand.split(QRegExp("; ?"));
827 foreach(QString command, commands) {
828 handleUserInput(bufferInfo, command);