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())
192 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
194 if (parms.isEmpty() && !bufferInfo.bufferName().isEmpty())
195 parms.prepend(bufferInfo.bufferName());
197 if (parms.isEmpty()) {
198 emit displayMsg(Message::Info, bufname,
199 tr("[usage] /delkey <nick|channel> deletes the encryption key for nick or channel or just /delkey when in a channel or query."));
203 QString target = parms.at(0);
205 if (network()->cipherKey(target).isEmpty()) {
206 emit displayMsg(Message::Info, bufname, tr("No key has been set for %1.").arg(target));
210 network()->setCipherKey(target, QByteArray());
211 emit displayMsg(Message::Info, bufname, tr("The key for %1 has been deleted.").arg(target));
215 emit displayMsg(Message::Error, bufname, tr("Error: Setting an encryption key requires Quassel to have been built "
216 "with support for the Qt Cryptographic Architecture (QCA2) library. "
217 "Contact your distributor about a Quassel package with QCA2 "
218 "support, or rebuild Quassel with QCA2 present."));
222 void CoreUserInputHandler::doMode(const BufferInfo &bufferInfo, const QChar& addOrRemove, const QChar& mode, const QString &nicks)
226 int maxModes = network()->support("MODES").toInt(&isNumber);
227 if (!isNumber || maxModes == 0) maxModes = 1;
229 QStringList nickList;
230 if (nicks == "*") { // All users in channel
231 const QList<IrcUser*> users = network()->ircChannel(bufferInfo.bufferName())->ircUsers();
232 foreach(IrcUser *user, users) {
233 if ((addOrRemove == '+' && !network()->ircChannel(bufferInfo.bufferName())->userModes(user).contains(mode))
234 || (addOrRemove == '-' && network()->ircChannel(bufferInfo.bufferName())->userModes(user).contains(mode)))
235 nickList.append(user->nick());
238 nickList = nicks.split(' ', QString::SkipEmptyParts);
241 if (nickList.count() == 0) return;
243 while (!nickList.isEmpty()) {
244 int amount = qMin(nickList.count(), maxModes);
245 QString m = addOrRemove; for(int i = 0; i < amount; i++) m += mode;
247 params << bufferInfo.bufferName() << m;
248 for(int i = 0; i < amount; i++) params << nickList.takeFirst();
249 emit putCmd("MODE", serverEncode(params));
254 void CoreUserInputHandler::handleDeop(const BufferInfo &bufferInfo, const QString &nicks)
256 doMode(bufferInfo, '-', 'o', nicks);
260 void CoreUserInputHandler::handleDehalfop(const BufferInfo &bufferInfo, const QString &nicks)
262 doMode(bufferInfo, '-', 'h', nicks);
266 void CoreUserInputHandler::handleDevoice(const BufferInfo &bufferInfo, const QString &nicks)
268 doMode(bufferInfo, '-', 'v', nicks);
271 void CoreUserInputHandler::handleHalfop(const BufferInfo &bufferInfo, const QString &nicks)
273 doMode(bufferInfo, '+', 'h', nicks);
276 void CoreUserInputHandler::handleOp(const BufferInfo &bufferInfo, const QString &nicks) {
277 doMode(bufferInfo, '+', 'o', nicks);
281 void CoreUserInputHandler::handleInvite(const BufferInfo &bufferInfo, const QString &msg)
284 params << msg << bufferInfo.bufferName();
285 emit putCmd("INVITE", serverEncode(params));
289 void CoreUserInputHandler::handleJoin(const BufferInfo &bufferInfo, const QString &msg)
291 Q_UNUSED(bufferInfo);
293 // trim spaces before chans or keys
294 QString sane_msg = msg;
295 sane_msg.replace(QRegExp(", +"), ",");
296 QStringList params = sane_msg.trimmed().split(" ");
298 QStringList chans = params[0].split(",", QString::SkipEmptyParts);
300 if (params.count() > 1)
301 keys = params[1].split(",");
304 for (i = 0; i < chans.count(); i++) {
305 if (!network()->isChannelName(chans[i]))
306 chans[i].prepend('#');
308 if (i < keys.count()) {
309 network()->addChannelKey(chans[i], keys[i]);
312 network()->removeChannelKey(chans[i]);
316 static const char *cmd = "JOIN";
318 QStringList joinChans, joinKeys;
319 int slicesize = chans.count();
320 QList<QByteArray> encodedParams;
322 // go through all to-be-joined channels and (re)build the join list
323 while (i < chans.count()) {
324 joinChans.append(chans.at(i));
325 if (i < keys.count())
326 joinKeys.append(keys.at(i));
328 // if the channel list we built so far either contains all requested channels or exceeds
329 // the desired amount of channels in this slice, try to send what we have so far
330 if (++i == chans.count() || joinChans.count() >= slicesize) {
332 params.append(joinChans.join(","));
333 params.append(joinKeys.join(","));
334 encodedParams = serverEncode(params);
335 // check if it fits in one command
336 if (lastParamOverrun(cmd, encodedParams) == 0) {
337 emit putCmd(cmd, encodedParams);
339 else if (slicesize > 1) {
340 // back to start of slice, try again with half the amount of channels
351 void CoreUserInputHandler::handleKeyx(const BufferInfo &bufferInfo, const QString &msg)
353 QString bufname = bufferInfo.bufferName().isNull() ? "" : bufferInfo.bufferName();
355 if (!bufferInfo.isValid())
358 if (!Cipher::neededFeaturesAvailable())
361 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
363 if (parms.count() == 0 && !bufferInfo.bufferName().isEmpty())
364 parms.prepend(bufferInfo.bufferName());
365 else if (parms.count() != 1) {
366 emit displayMsg(Message::Info, bufname,
367 tr("[usage] /keyx [<nick|channel>] Initiates a DH1080 key exchange with the target."));
371 QString target = parms.at(0);
373 Cipher *cipher = network()->cipher(target);
374 if (!cipher) // happens when there is no CoreIrcChannel for the target
377 QByteArray pubKey = cipher->initKeyExchange();
378 if (pubKey.isEmpty())
379 emit displayMsg(Message::Error, bufname, tr("Failed to initiate key exchange with %1.").arg(target));
381 QList<QByteArray> params;
382 params << serverEncode(target) << serverEncode("DH1080_INIT ") + pubKey;
383 emit putCmd("NOTICE", params);
384 emit displayMsg(Message::Info, bufname, tr("Initiated key exchange with %1.").arg(target));
388 emit displayMsg(Message::Error, bufname, tr("Error: Setting an encryption key requires Quassel to have been built "
389 "with support for the Qt Cryptographic Architecture (QCA) library. "
390 "Contact your distributor about a Quassel package with QCA "
391 "support, or rebuild Quassel with QCA present."));
396 void CoreUserInputHandler::handleKick(const BufferInfo &bufferInfo, const QString &msg)
398 QString nick = msg.section(' ', 0, 0, QString::SectionSkipEmpty);
399 QString reason = msg.section(' ', 1, -1, QString::SectionSkipEmpty).trimmed();
400 if (reason.isEmpty())
401 reason = network()->identityPtr()->kickReason();
403 QList<QByteArray> params;
404 params << serverEncode(bufferInfo.bufferName()) << serverEncode(nick) << channelEncode(bufferInfo.bufferName(), reason);
405 emit putCmd("KICK", params);
409 void CoreUserInputHandler::handleKill(const BufferInfo &bufferInfo, const QString &msg)
412 QString nick = msg.section(' ', 0, 0, QString::SectionSkipEmpty);
413 QString pass = msg.section(' ', 1, -1, QString::SectionSkipEmpty);
414 QList<QByteArray> params;
415 params << serverEncode(nick) << serverEncode(pass);
416 emit putCmd("KILL", params);
420 void CoreUserInputHandler::handleList(const BufferInfo &bufferInfo, const QString &msg)
423 emit putCmd("LIST", serverEncode(msg.split(' ', QString::SkipEmptyParts)));
427 void CoreUserInputHandler::handleMe(const BufferInfo &bufferInfo, const QString &msg)
429 if (bufferInfo.bufferName().isEmpty()) return; // server buffer
430 // FIXME make this a proper event
431 coreNetwork()->coreSession()->ctcpParser()->query(coreNetwork(), bufferInfo.bufferName(), "ACTION", msg);
432 emit displayMsg(Message::Action, bufferInfo.type(), bufferInfo.bufferName(), msg, network()->myNick(), Message::Self);
436 void CoreUserInputHandler::handleMode(const BufferInfo &bufferInfo, const QString &msg)
440 QStringList params = msg.split(' ', QString::SkipEmptyParts);
441 // 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
442 if (!params.isEmpty()) {
443 if (!network()->isChannelName(params[0]) && !network()->isMyNick(params[0]))
444 params.prepend(bufferInfo.bufferName());
445 if (network()->isMyNick(params[0]) && params.count() == 2)
446 network()->updateIssuedModes(params[1]);
447 if (params[0] == "-reset" && params.count() == 1) {
448 // FIXME: give feedback to the user (I don't want to add new strings right now)
449 network()->resetPersistentModes();
454 // TODO handle correct encoding for buffer modes (channelEncode())
455 emit putCmd("MODE", serverEncode(params));
459 // TODO: show privmsgs
460 void CoreUserInputHandler::handleMsg(const BufferInfo &bufferInfo, const QString &msg)
462 Q_UNUSED(bufferInfo);
463 if (!msg.contains(' '))
466 QString target = msg.section(' ', 0, 0);
467 QByteArray encMsg = userEncode(target, msg.section(' ', 1));
470 putPrivmsg(serverEncode(target), encMsg, network()->cipher(target));
472 putPrivmsg(serverEncode(target), encMsg);
477 void CoreUserInputHandler::handleNick(const BufferInfo &bufferInfo, const QString &msg)
480 QString nick = msg.section(' ', 0, 0);
481 emit putCmd("NICK", serverEncode(nick));
485 void CoreUserInputHandler::handleNotice(const BufferInfo &bufferInfo, const QString &msg)
487 QString bufferName = msg.section(' ', 0, 0);
488 QString payload = msg.section(' ', 1);
489 QList<QByteArray> params;
490 params << serverEncode(bufferName) << channelEncode(bufferInfo.bufferName(), payload);
491 emit putCmd("NOTICE", params);
492 emit displayMsg(Message::Notice, bufferName, payload, network()->myNick(), Message::Self);
497 void CoreUserInputHandler::handleOper(const BufferInfo &bufferInfo, const QString &msg)
500 emit putRawLine(serverEncode(QString("OPER %1").arg(msg)));
504 void CoreUserInputHandler::handlePart(const BufferInfo &bufferInfo, const QString &msg)
506 QList<QByteArray> params;
509 // msg might contain either a channel name and/or a reaon, so we have to check if the first word is a known channel
510 QString channelName = msg.section(' ', 0, 0);
511 if (channelName.isEmpty() || !network()->ircChannel(channelName)) {
512 channelName = bufferInfo.bufferName();
516 partReason = msg.mid(channelName.length() + 1);
519 if (partReason.isEmpty())
520 partReason = network()->identityPtr()->partReason();
522 params << serverEncode(channelName) << channelEncode(bufferInfo.bufferName(), partReason);
523 emit putCmd("PART", params);
527 void CoreUserInputHandler::handlePing(const BufferInfo &bufferInfo, const QString &msg)
533 param = QTime::currentTime().toString("hh:mm:ss.zzz");
535 putCmd("PING", serverEncode(param));
539 // TODO: implement queries
540 void CoreUserInputHandler::handleQuery(const BufferInfo &bufferInfo, const QString &msg)
543 QString target = msg.section(' ', 0, 0);
544 QString message = msg.section(' ', 1);
545 if (message.isEmpty())
546 emit displayMsg(Message::Server, BufferInfo::QueryBuffer, target, tr("Starting query with %1").arg(target), network()->myNick(), Message::Self);
548 emit displayMsg(Message::Plain, BufferInfo::QueryBuffer, target, message, network()->myNick(), Message::Self);
549 handleMsg(bufferInfo, msg);
553 void CoreUserInputHandler::handleQuit(const BufferInfo &bufferInfo, const QString &msg)
556 network()->disconnectFromIrc(true, msg);
560 void CoreUserInputHandler::issueQuit(const QString &reason)
562 emit putCmd("QUIT", serverEncode(reason));
566 void CoreUserInputHandler::handleQuote(const BufferInfo &bufferInfo, const QString &msg)
569 emit putRawLine(serverEncode(msg));
573 void CoreUserInputHandler::handleSay(const BufferInfo &bufferInfo, const QString &msg)
575 if (bufferInfo.bufferName().isEmpty())
576 return; // server buffer
578 QByteArray encMsg = channelEncode(bufferInfo.bufferName(), msg);
580 putPrivmsg(serverEncode(bufferInfo.bufferName()), encMsg, network()->cipher(bufferInfo.bufferName()));
582 putPrivmsg(serverEncode(bufferInfo.bufferName()), encMsg);
584 emit displayMsg(Message::Plain, bufferInfo.type(), bufferInfo.bufferName(), msg, network()->myNick(), Message::Self);
588 void CoreUserInputHandler::handleSetkey(const BufferInfo &bufferInfo, const QString &msg)
590 QString bufname = bufferInfo.bufferName().isNull() ? "" : bufferInfo.bufferName();
592 if (!bufferInfo.isValid())
595 if (!Cipher::neededFeaturesAvailable())
598 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
600 if (parms.count() == 1 && !bufferInfo.bufferName().isEmpty())
601 parms.prepend(bufferInfo.bufferName());
602 else if (parms.count() != 2) {
603 emit displayMsg(Message::Info, bufname,
604 tr("[usage] /setkey <nick|channel> <key> sets the encryption key for nick or channel. "
605 "/setkey <key> when in a channel or query buffer sets the key for it."));
609 QString target = parms.at(0);
610 QByteArray key = parms.at(1).toLocal8Bit();
611 network()->setCipherKey(target, key);
613 emit displayMsg(Message::Info, bufname, tr("The key for %1 has been set.").arg(target));
616 emit displayMsg(Message::Error, bufname, tr("Error: Setting an encryption key requires Quassel to have been built "
617 "with support for the Qt Cryptographic Architecture (QCA) library. "
618 "Contact your distributor about a Quassel package with QCA "
619 "support, or rebuild Quassel with QCA present."));
624 void CoreUserInputHandler::handleShowkey(const BufferInfo &bufferInfo, const QString &msg)
626 QString bufname = bufferInfo.bufferName().isNull() ? "" : bufferInfo.bufferName();
628 if (!bufferInfo.isValid())
631 if (!Cipher::neededFeaturesAvailable())
634 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
636 if (parms.isEmpty() && !bufferInfo.bufferName().isEmpty())
637 parms.prepend(bufferInfo.bufferName());
639 if (parms.isEmpty()) {
640 emit displayMsg(Message::Info, bufname, tr("[usage] /showkey <nick|channel> shows the encryption key for nick or channel or just /showkey when in a channel or query."));
644 QString target = parms.at(0);
645 QByteArray key = network()->cipherKey(target);
648 emit displayMsg(Message::Info, bufname, tr("No key has been set for %1.").arg(target));
652 emit displayMsg(Message::Info, bufname, tr("The key for %1 is %2").arg(target).arg(QString(key)));
656 emit displayMsg(Message::Error, bufname, tr("Error: Setting an encryption key requires Quassel to have been built "
657 "with support for the Qt Cryptographic Architecture (QCA2) library. "
658 "Contact your distributor about a Quassel package with QCA2 "
659 "support, or rebuild Quassel with QCA2 present."));
664 void CoreUserInputHandler::handleTopic(const BufferInfo &bufferInfo, const QString &msg)
666 if (bufferInfo.bufferName().isEmpty())
669 QList<QByteArray> params;
670 params << serverEncode(bufferInfo.bufferName());
672 if (!msg.isEmpty()) {
674 params << encrypt(bufferInfo.bufferName(), channelEncode(bufferInfo.bufferName(), msg));
676 params << channelEncode(bufferInfo.bufferName(), msg);
680 emit putCmd("TOPIC", params);
684 void CoreUserInputHandler::handleVoice(const BufferInfo &bufferInfo, const QString &msg)
686 QStringList nicks = msg.split(' ', QString::SkipEmptyParts);
687 QString m = "+"; for (int i = 0; i < nicks.count(); i++) m += 'v';
689 params << bufferInfo.bufferName() << m << nicks;
690 emit putCmd("MODE", serverEncode(params));
694 void CoreUserInputHandler::handleWait(const BufferInfo &bufferInfo, const QString &msg)
696 int splitPos = msg.indexOf(';');
701 int delay = msg.left(splitPos).trimmed().toInt(&ok);
707 QString command = msg.mid(splitPos + 1).trimmed();
708 if (command.isEmpty())
711 _delayedCommands[startTimer(delay)] = Command(bufferInfo, command);
715 void CoreUserInputHandler::handleWho(const BufferInfo &bufferInfo, const QString &msg)
718 emit putCmd("WHO", serverEncode(msg.split(' ')));
722 void CoreUserInputHandler::handleWhois(const BufferInfo &bufferInfo, const QString &msg)
725 emit putCmd("WHOIS", serverEncode(msg.split(' ')));
729 void CoreUserInputHandler::handleWhowas(const BufferInfo &bufferInfo, const QString &msg)
732 emit putCmd("WHOWAS", serverEncode(msg.split(' ')));
736 void CoreUserInputHandler::defaultHandler(QString cmd, const BufferInfo &bufferInfo, const QString &msg)
738 Q_UNUSED(bufferInfo);
739 emit putCmd(serverEncode(cmd.toUpper()), serverEncode(msg.split(" ")));
743 void CoreUserInputHandler::putPrivmsg(const QByteArray &target, const QByteArray &message, Cipher *cipher)
745 // Encrypted messages need special care. There's no clear relation between cleartext and encrypted message length,
746 // so we can't just compute the maxSplitPos. Instead, we need to loop through the splitpoints until the crypted
747 // version is short enough...
748 // TODO: check out how the various possible encryption methods behave length-wise and make
749 // this clean by predicting the length of the crypted msg.
750 // For example, blowfish-ebc seems to create 8-char chunks.
752 static const char *cmd = "PRIVMSG";
753 static const char *splitter = " .,-";
755 int maxSplitPos = message.count();
756 int splitPos = maxSplitPos;
758 QByteArray crypted = message.left(splitPos);
759 bool isEncrypted = false;
761 if (cipher && !cipher->key().isEmpty() && !message.isEmpty()) {
762 isEncrypted = cipher->encrypt(crypted);
765 int overrun = lastParamOverrun(cmd, QList<QByteArray>() << target << crypted);
767 // In case this is not an encrypted msg, we can just cut off at the end
769 maxSplitPos = message.count() - overrun;
772 for (const char *splitChar = splitter; *splitChar != 0; splitChar++) {
773 splitPos = qMax(splitPos, message.lastIndexOf(*splitChar, maxSplitPos) + 1); // keep split char on old line
775 if (splitPos <= 0 || splitPos > maxSplitPos)
776 splitPos = maxSplitPos;
778 maxSplitPos = splitPos - 1;
779 if (maxSplitPos <= 0) { // this should never happen, but who knows...
780 qWarning() << tr("[Error] Could not encrypt your message: %1").arg(message.data());
783 continue; // we never come back here for !encrypted!
786 // now we have found a valid splitpos (or didn't need to split to begin with)
787 putCmd(cmd, QList<QByteArray>() << target << crypted);
788 if (splitPos < message.count())
789 putPrivmsg(target, message.mid(splitPos), cipher);
796 // returns 0 if the message will not be chopped by the irc server or number of chopped bytes if message is too long
797 int CoreUserInputHandler::lastParamOverrun(const QString &cmd, const QList<QByteArray> ¶ms)
799 // the server will pass our message truncated to 512 bytes including CRLF with the following format:
800 // ":prefix COMMAND param0 param1 :lastparam"
801 // where prefix = "nickname!user@host"
802 // that means that the last message can be as long as:
803 // 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)
804 IrcUser *me = network()->me();
805 int maxLen = 480 - cmd.toAscii().count(); // educated guess in case we don't know us (yet?)
808 maxLen = 512 - serverEncode(me->nick()).count() - serverEncode(me->user()).count() - serverEncode(me->host()).count() - cmd.toAscii().count() - 6;
810 if (!params.isEmpty()) {
811 for (int i = 0; i < params.count() - 1; i++) {
812 maxLen -= (params[i].count() + 1);
814 maxLen -= 2; // " :" last param separator;
816 if (params.last().count() > maxLen) {
817 return params.last().count() - maxLen;
830 QByteArray CoreUserInputHandler::encrypt(const QString &target, const QByteArray &message_, bool *didEncrypt) const
835 if (message_.isEmpty())
838 if (!Cipher::neededFeaturesAvailable())
841 Cipher *cipher = network()->cipher(target);
842 if (!cipher || cipher->key().isEmpty())
845 QByteArray message = message_;
846 bool result = cipher->encrypt(message);
848 *didEncrypt = result;
856 void CoreUserInputHandler::timerEvent(QTimerEvent *event)
858 if (!_delayedCommands.contains(event->timerId())) {
859 QObject::timerEvent(event);
862 BufferInfo bufferInfo = _delayedCommands[event->timerId()].bufferInfo;
863 QString rawCommand = _delayedCommands[event->timerId()].command;
864 _delayedCommands.remove(event->timerId());
867 // the stored command might be the result of an alias expansion, so we need to split it up again
868 QStringList commands = rawCommand.split(QRegExp("; ?"));
869 foreach(QString command, commands) {
870 handleUserInput(bufferInfo, command);