1 /***************************************************************************
2 * Copyright (C) 2005-2019 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"
32 CoreUserInputHandler::CoreUserInputHandler(CoreNetwork* parent)
33 : CoreBasicHandler(parent)
36 void CoreUserInputHandler::handleUserInput(const BufferInfo& bufferInfo, const QString& msg)
41 AliasManager::CommandList list = coreSession()->aliasManager().processInput(bufferInfo, msg);
43 for (int i = 0; i < list.count(); i++) {
44 QString cmd = list.at(i).second.section(' ', 0, 0).remove(0, 1).toUpper();
45 QString payload = list.at(i).second.section(' ', 1);
46 handle(cmd, Q_ARG(BufferInfo, list.at(i).first), Q_ARG(QString, payload));
50 // ====================
52 // ====================
53 void CoreUserInputHandler::handleAway(const BufferInfo& bufferInfo, const QString& msg, const bool skipFormatting)
56 if (msg.startsWith("-all")) {
57 if (msg.length() == 4) {
58 coreSession()->globalAway(QString(), skipFormatting);
61 Q_ASSERT(msg.length() > 4);
63 coreSession()->globalAway(msg.mid(5), skipFormatting);
67 issueAway(msg, true /* force away */, skipFormatting);
70 void CoreUserInputHandler::issueAway(const QString& msg, bool autoCheck, const bool skipFormatting)
72 QString awayMsg = msg;
73 IrcUser* me = network()->me();
75 // Only apply timestamp formatting when requested
76 // This avoids re-processing any existing away message when the core restarts, so chained escape
77 // percent signs won't get down-processed.
78 if (!skipFormatting) {
79 // Apply the timestamp formatting to the away message (if empty, nothing will happen)
80 awayMsg = formatCurrentDateTimeInString(awayMsg);
83 // if there is no message supplied we have to check if we are already away or not
84 if (autoCheck && msg.isEmpty()) {
85 if (me && !me->isAway()) {
86 Identity* identity = network()->identityPtr();
88 awayMsg = formatCurrentDateTimeInString(identity->awayReason());
90 if (awayMsg.isEmpty()) {
96 me->setAwayMessage(awayMsg);
98 putCmd("AWAY", serverEncode(awayMsg));
101 void CoreUserInputHandler::handleBan(const BufferInfo& bufferInfo, const QString& msg)
103 banOrUnban(bufferInfo, msg, true);
106 void CoreUserInputHandler::handleUnban(const BufferInfo& bufferInfo, const QString& msg)
108 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(R"(\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));
158 void CoreUserInputHandler::handleCtcp(const BufferInfo& bufferInfo, const QString& msg)
162 QString nick = msg.section(' ', 0, 0);
163 QString ctcpTag = msg.section(' ', 1, 1).toUpper();
164 if (ctcpTag.isEmpty())
167 QString message = msg.section(' ', 2);
168 QString verboseMessage = tr("sending CTCP-%1 request to %2").arg(ctcpTag).arg(nick);
170 if (ctcpTag == "PING") {
171 message = QString::number(QDateTime::currentMSecsSinceEpoch());
174 // FIXME make this a proper event
175 coreNetwork()->coreSession()->ctcpParser()->query(coreNetwork(), nick, ctcpTag, message);
176 emit displayMsg(Message::Action, BufferInfo::StatusBuffer, "", verboseMessage, network()->myNick(), Message::Flag::Self);
179 void CoreUserInputHandler::handleDelkey(const BufferInfo& bufferInfo, const QString& msg)
181 QString bufname = bufferInfo.bufferName().isNull() ? "" : bufferInfo.bufferName();
183 if (!bufferInfo.isValid())
186 if (!Cipher::neededFeaturesAvailable()) {
187 emit displayMsg(Message::Error,
188 typeByTarget(bufname),
190 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,
201 typeByTarget(bufname),
203 tr("[usage] /delkey <nick|channel> deletes the encryption key for nick or channel or just /delkey when in a "
204 "channel or query."));
208 QString target = parms.at(0);
210 if (network()->cipherKey(target).isEmpty()) {
211 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("No key has been set for %1.").arg(target));
215 network()->setCipherKey(target, QByteArray());
216 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("The key for %1 has been deleted.").arg(target));
220 emit displayMsg(Message::Error,
221 typeByTarget(bufname),
223 tr("Error: Setting an encryption key requires Quassel to have been built "
224 "with support for the Qt Cryptographic Architecture (QCA2) library. "
225 "Contact your distributor about a Quassel package with QCA2 "
226 "support, or rebuild Quassel with QCA2 present."));
230 void CoreUserInputHandler::doMode(const BufferInfo& bufferInfo, const QChar& addOrRemove, const QChar& mode, const QString& nicks)
234 int maxModes = network()->support("MODES").toInt(&isNumber);
235 if (!isNumber || maxModes == 0)
238 QStringList nickList;
239 if (nicks == "*" && bufferInfo.type() == BufferInfo::ChannelBuffer) { // All users in channel
240 const QList<IrcUser*> users = network()->ircChannel(bufferInfo.bufferName())->ircUsers();
241 foreach (IrcUser* user, users) {
242 if ((addOrRemove == '+' && !network()->ircChannel(bufferInfo.bufferName())->userModes(user).contains(mode))
243 || (addOrRemove == '-' && network()->ircChannel(bufferInfo.bufferName())->userModes(user).contains(mode)))
244 nickList.append(user->nick());
248 nickList = nicks.split(' ', QString::SkipEmptyParts);
251 if (nickList.count() == 0)
254 while (!nickList.isEmpty()) {
255 int amount = qMin(nickList.count(), maxModes);
256 QString m = addOrRemove;
257 for (int i = 0; i < amount; i++)
260 params << bufferInfo.bufferName() << m;
261 for (int i = 0; i < amount; i++)
262 params << nickList.takeFirst();
263 emit putCmd("MODE", serverEncode(params));
267 void CoreUserInputHandler::handleDeop(const BufferInfo& bufferInfo, const QString& nicks)
269 doMode(bufferInfo, '-', 'o', nicks);
272 void CoreUserInputHandler::handleDehalfop(const BufferInfo& bufferInfo, const QString& nicks)
274 doMode(bufferInfo, '-', 'h', nicks);
277 void CoreUserInputHandler::handleDevoice(const BufferInfo& bufferInfo, const QString& nicks)
279 doMode(bufferInfo, '-', 'v', nicks);
282 void CoreUserInputHandler::handleHalfop(const BufferInfo& bufferInfo, const QString& nicks)
284 doMode(bufferInfo, '+', 'h', nicks);
287 void CoreUserInputHandler::handleOp(const BufferInfo& bufferInfo, const QString& nicks)
289 doMode(bufferInfo, '+', 'o', nicks);
292 void CoreUserInputHandler::handleInvite(const BufferInfo& bufferInfo, const QString& msg)
295 params << msg << bufferInfo.bufferName();
296 emit putCmd("INVITE", serverEncode(params));
299 void CoreUserInputHandler::handleJoin(const BufferInfo& bufferInfo, const QString& msg)
301 Q_UNUSED(bufferInfo);
303 // trim spaces before chans or keys
304 QString sane_msg = msg;
305 sane_msg.replace(QRegExp(", +"), ",");
306 QStringList params = sane_msg.trimmed().split(" ");
308 QStringList chans = params[0].split(",", QString::SkipEmptyParts);
310 if (params.count() > 1)
311 keys = params[1].split(",");
314 for (i = 0; i < chans.count(); i++) {
315 if (!network()->isChannelName(chans[i]))
316 chans[i].prepend('#');
318 if (i < keys.count()) {
319 network()->addChannelKey(chans[i], keys[i]);
322 network()->removeChannelKey(chans[i]);
326 static const char* cmd = "JOIN";
328 QStringList joinChans, joinKeys;
329 int slicesize = chans.count();
330 QList<QByteArray> encodedParams;
332 // go through all to-be-joined channels and (re)build the join list
333 while (i < chans.count()) {
334 joinChans.append(chans.at(i));
335 if (i < keys.count())
336 joinKeys.append(keys.at(i));
338 // if the channel list we built so far either contains all requested channels or exceeds
339 // the desired amount of channels in this slice, try to send what we have so far
340 if (++i == chans.count() || joinChans.count() >= slicesize) {
342 params.append(joinChans.join(","));
343 params.append(joinKeys.join(","));
344 encodedParams = serverEncode(params);
345 // check if it fits in one command
346 if (lastParamOverrun(cmd, encodedParams) == 0) {
347 emit putCmd(cmd, encodedParams);
349 else if (slicesize > 1) {
350 // back to start of slice, try again with half the amount of channels
360 void CoreUserInputHandler::handleKeyx(const BufferInfo& bufferInfo, const QString& msg)
362 QString bufname = bufferInfo.bufferName().isNull() ? "" : bufferInfo.bufferName();
364 if (!bufferInfo.isValid())
367 if (!Cipher::neededFeaturesAvailable()) {
368 emit displayMsg(Message::Error,
369 typeByTarget(bufname),
371 tr("Error: QCA provider plugin not found. It is usually provided by the qca-ossl plugin."));
375 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
377 if (parms.count() == 0 && !bufferInfo.bufferName().isEmpty() && bufferInfo.acceptsRegularMessages())
378 parms.prepend(bufferInfo.bufferName());
379 else if (parms.count() != 1) {
380 emit displayMsg(Message::Info,
381 typeByTarget(bufname),
383 tr("[usage] /keyx [<nick>] Initiates a DH1080 key exchange with the target."));
387 QString target = parms.at(0);
389 if (network()->isChannelName(target)) {
390 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("It is only possible to exchange keys in a query buffer."));
394 Cipher* cipher = network()->cipher(target);
395 if (!cipher) // happens when there is no CoreIrcChannel for the target
398 QByteArray pubKey = cipher->initKeyExchange();
399 if (pubKey.isEmpty())
400 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Failed to initiate key exchange with %1.").arg(target));
402 QList<QByteArray> params;
403 params << serverEncode(target) << serverEncode("DH1080_INIT ") + pubKey;
404 emit putCmd("NOTICE", params);
405 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("Initiated key exchange with %1.").arg(target));
409 emit displayMsg(Message::Error,
410 typeByTarget(bufname),
412 tr("Error: Setting an encryption key requires Quassel to have been built "
413 "with support for the Qt Cryptographic Architecture (QCA) library. "
414 "Contact your distributor about a Quassel package with QCA "
415 "support, or rebuild Quassel with QCA present."));
419 void CoreUserInputHandler::handleKick(const BufferInfo& bufferInfo, const QString& msg)
421 QString nick = msg.section(' ', 0, 0, QString::SectionSkipEmpty);
422 QString reason = msg.section(' ', 1, -1, QString::SectionSkipEmpty).trimmed();
423 if (reason.isEmpty())
424 reason = network()->identityPtr()->kickReason();
426 QList<QByteArray> params;
427 params << serverEncode(bufferInfo.bufferName()) << serverEncode(nick) << channelEncode(bufferInfo.bufferName(), reason);
428 emit putCmd("KICK", params);
431 void CoreUserInputHandler::handleKill(const BufferInfo& bufferInfo, const QString& msg)
434 QString nick = msg.section(' ', 0, 0, QString::SectionSkipEmpty);
435 QString pass = msg.section(' ', 1, -1, QString::SectionSkipEmpty);
436 QList<QByteArray> params;
437 params << serverEncode(nick) << serverEncode(pass);
438 emit putCmd("KILL", params);
441 void CoreUserInputHandler::handleList(const BufferInfo& bufferInfo, const QString& msg)
444 emit putCmd("LIST", serverEncode(msg.split(' ', QString::SkipEmptyParts)));
447 void CoreUserInputHandler::handleMe(const BufferInfo& bufferInfo, const QString& msg)
449 if (bufferInfo.bufferName().isEmpty() || !bufferInfo.acceptsRegularMessages())
450 return; // server buffer
451 // FIXME make this a proper event
453 // Split apart messages at line feeds. The IRC protocol uses those to separate commands, so
454 // they need to be split into multiple messages.
455 QStringList messages = msg.split(QChar::LineFeed);
457 foreach (auto message, messages) {
458 // Handle each separated message independently
459 coreNetwork()->coreSession()->ctcpParser()->query(coreNetwork(), bufferInfo.bufferName(), "ACTION", message);
460 emit displayMsg(Message::Action, bufferInfo.type(), bufferInfo.bufferName(), message, network()->myNick(), Message::Self);
464 void CoreUserInputHandler::handleMode(const BufferInfo& bufferInfo, const QString& msg)
468 QStringList params = msg.split(' ', QString::SkipEmptyParts);
469 if (!params.isEmpty()) {
470 if (params[0] == "-reset" && params.count() == 1) {
471 network()->resetPersistentModes();
472 emit displayMsg(Message::Info, BufferInfo::StatusBuffer, "", tr("Your persistent modes have been reset."));
475 if (!network()->isChannelName(params[0]) && !network()->isMyNick(params[0]))
476 // If the first argument is neither a channel nor us (user modes are only to oneself)
477 // the current buffer is assumed to be the target.
478 // If the current buffer returns no name (e.g. status buffer), assume target is us.
479 params.prepend(!bufferInfo.bufferName().isEmpty() ? bufferInfo.bufferName() : network()->myNick());
480 if (network()->isMyNick(params[0]) && params.count() == 2)
481 network()->updateIssuedModes(params[1]);
484 // TODO handle correct encoding for buffer modes (channelEncode())
485 emit putCmd("MODE", serverEncode(params));
488 // TODO: show privmsgs
489 void CoreUserInputHandler::handleMsg(const BufferInfo& bufferInfo, const QString& msg)
491 Q_UNUSED(bufferInfo);
492 if (!msg.contains(' '))
495 QString target = msg.section(' ', 0, 0);
496 QString msgSection = msg.section(' ', 1);
498 std::function<QByteArray(const QString&, const QString&)> encodeFunc =
499 [this](const QString& target, const QString& message) -> QByteArray { return userEncode(target, message); };
502 putPrivmsg(target, msgSection, encodeFunc, network()->cipher(target));
504 putPrivmsg(target, msgSection, encodeFunc);
508 void CoreUserInputHandler::handleNick(const BufferInfo& bufferInfo, const QString& msg)
511 QString nick = msg.section(' ', 0, 0);
512 emit putCmd("NICK", serverEncode(nick));
515 void CoreUserInputHandler::handleNotice(const BufferInfo& bufferInfo, const QString& msg)
517 QString bufferName = msg.section(' ', 0, 0);
518 QList<QByteArray> params;
519 // Split apart messages at line feeds. The IRC protocol uses those to separate commands, so
520 // they need to be split into multiple messages.
521 QStringList messages = msg.section(' ', 1).split(QChar::LineFeed);
523 foreach (auto message, messages) {
524 // Handle each separated message independently
526 params << serverEncode(bufferName) << channelEncode(bufferInfo.bufferName(), message);
527 emit putCmd("NOTICE", params);
528 emit displayMsg(Message::Notice, typeByTarget(bufferName), bufferName, message, network()->myNick(), Message::Self);
532 void CoreUserInputHandler::handleOper(const BufferInfo& bufferInfo, const QString& msg)
535 emit putRawLine(serverEncode(QString("OPER %1").arg(msg)));
538 void CoreUserInputHandler::handlePart(const BufferInfo& bufferInfo, const QString& msg)
540 QList<QByteArray> params;
543 // msg might contain either a channel name and/or a reaon, so we have to check if the first word is a known channel
544 QString channelName = msg.section(' ', 0, 0);
545 if (channelName.isEmpty() || !network()->ircChannel(channelName)) {
546 channelName = bufferInfo.bufferName();
550 partReason = msg.mid(channelName.length() + 1);
553 if (partReason.isEmpty())
554 partReason = network()->identityPtr()->partReason();
556 params << serverEncode(channelName) << channelEncode(bufferInfo.bufferName(), partReason);
557 emit putCmd("PART", params);
560 void CoreUserInputHandler::handlePing(const BufferInfo& bufferInfo, const QString& msg)
566 param = QTime::currentTime().toString("hh:mm:ss.zzz");
568 // Take priority so this won't get stuck behind other queued messages.
569 putCmd("PING", serverEncode(param), QByteArray(), true);
572 void CoreUserInputHandler::handlePrint(const BufferInfo& bufferInfo, const QString& msg)
574 if (bufferInfo.bufferName().isEmpty() || !bufferInfo.acceptsRegularMessages())
575 return; // server buffer
577 QByteArray encMsg = channelEncode(bufferInfo.bufferName(), msg);
578 emit displayMsg(Message::Info, bufferInfo.type(), bufferInfo.bufferName(), msg, network()->myNick(), Message::Self);
581 // TODO: implement queries
582 void CoreUserInputHandler::handleQuery(const BufferInfo& bufferInfo, const QString& msg)
585 QString target = msg.section(' ', 0, 0);
586 // Split apart messages at line feeds. The IRC protocol uses those to separate commands, so
587 // they need to be split into multiple messages.
588 QStringList messages = msg.section(' ', 1).split(QChar::LineFeed);
590 foreach (auto message, messages) {
591 // Handle each separated message independently
592 if (message.isEmpty()) {
593 emit displayMsg(Message::Server,
594 BufferInfo::QueryBuffer,
596 tr("Starting query with %1").arg(target),
599 // handleMsg is a no-op if message is empty
602 emit displayMsg(Message::Plain, BufferInfo::QueryBuffer, target, message, network()->myNick(), Message::Self);
603 // handleMsg needs the target specified at the beginning of the message
604 handleMsg(bufferInfo, target + " " + message);
609 void CoreUserInputHandler::handleQuit(const BufferInfo& bufferInfo, const QString& msg)
612 network()->disconnectFromIrc(true, msg);
615 void CoreUserInputHandler::issueQuit(const QString& reason, bool forceImmediate)
617 // If needing an immediate QUIT (e.g. core shutdown), prepend this to the queue
618 emit putCmd("QUIT", serverEncode(reason), QByteArray(), forceImmediate);
621 void CoreUserInputHandler::handleQuote(const BufferInfo& bufferInfo, const QString& msg)
624 emit putRawLine(serverEncode(msg));
627 void CoreUserInputHandler::handleSay(const BufferInfo& bufferInfo, const QString& msg)
629 if (bufferInfo.bufferName().isEmpty() || !bufferInfo.acceptsRegularMessages())
630 return; // server buffer
632 std::function<QByteArray(const QString&, const QString&)> encodeFunc =
633 [this](const QString& target, const QString& message) -> QByteArray { return channelEncode(target, message); };
635 // Split apart messages at line feeds. The IRC protocol uses those to separate commands, so
636 // they need to be split into multiple messages.
637 QStringList messages = msg.split(QChar::LineFeed, QString::SkipEmptyParts);
639 foreach (auto message, messages) {
640 // Handle each separated message independently
642 putPrivmsg(bufferInfo.bufferName(), message, encodeFunc, network()->cipher(bufferInfo.bufferName()));
644 putPrivmsg(bufferInfo.bufferName(), message, encodeFunc);
646 emit displayMsg(Message::Plain, bufferInfo.type(), bufferInfo.bufferName(), message, network()->myNick(), Message::Self);
650 void CoreUserInputHandler::handleSetkey(const BufferInfo& bufferInfo, const QString& msg)
652 QString bufname = bufferInfo.bufferName().isNull() ? "" : bufferInfo.bufferName();
654 if (!bufferInfo.isValid())
657 if (!Cipher::neededFeaturesAvailable()) {
658 emit displayMsg(Message::Error,
659 typeByTarget(bufname),
661 tr("Error: QCA provider plugin not found. It is usually provided by the qca-ossl plugin."));
665 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
667 if (parms.count() == 1 && !bufferInfo.bufferName().isEmpty() && bufferInfo.acceptsRegularMessages())
668 parms.prepend(bufferInfo.bufferName());
669 else if (parms.count() != 2) {
670 emit displayMsg(Message::Info,
671 typeByTarget(bufname),
673 tr("[usage] /setkey <nick|channel> <key> sets the encryption key for nick or channel. "
674 "/setkey <key> when in a channel or query buffer sets the key for it."));
678 QString target = parms.at(0);
679 QByteArray key = parms.at(1).toLocal8Bit();
680 network()->setCipherKey(target, key);
682 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("The key for %1 has been set.").arg(target));
685 emit displayMsg(Message::Error,
686 typeByTarget(bufname),
688 tr("Error: Setting an encryption key requires Quassel to have been built "
689 "with support for the Qt Cryptographic Architecture (QCA) library. "
690 "Contact your distributor about a Quassel package with QCA "
691 "support, or rebuild Quassel with QCA present."));
695 void CoreUserInputHandler::handleShowkey(const BufferInfo& bufferInfo, const QString& msg)
697 QString bufname = bufferInfo.bufferName().isNull() ? "" : bufferInfo.bufferName();
699 if (!bufferInfo.isValid())
702 if (!Cipher::neededFeaturesAvailable()) {
703 emit displayMsg(Message::Error,
704 typeByTarget(bufname),
706 tr("Error: QCA provider plugin not found. It is usually provided by the qca-ossl plugin."));
710 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
712 if (parms.isEmpty() && !bufferInfo.bufferName().isEmpty() && bufferInfo.acceptsRegularMessages())
713 parms.prepend(bufferInfo.bufferName());
715 if (parms.isEmpty()) {
716 emit displayMsg(Message::Info,
717 typeByTarget(bufname),
719 tr("[usage] /showkey <nick|channel> shows the encryption key for nick or channel or just /showkey when in a "
720 "channel or query."));
724 QString target = parms.at(0);
725 QByteArray key = network()->cipherKey(target);
728 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("No key has been set for %1.").arg(target));
732 emit displayMsg(Message::Info,
733 typeByTarget(bufname),
735 tr("The key for %1 is %2:%3").arg(target, network()->cipherUsesCBC(target) ? "CBC" : "ECB", QString(key)));
739 emit displayMsg(Message::Error,
740 typeByTarget(bufname),
742 tr("Error: Setting an encryption key requires Quassel to have been built "
743 "with support for the Qt Cryptographic Architecture (QCA2) library. "
744 "Contact your distributor about a Quassel package with QCA2 "
745 "support, or rebuild Quassel with QCA2 present."));
749 void CoreUserInputHandler::handleTopic(const BufferInfo& bufferInfo, const QString& msg)
751 if (bufferInfo.bufferName().isEmpty() || !bufferInfo.acceptsRegularMessages())
754 QList<QByteArray> params;
755 params << serverEncode(bufferInfo.bufferName());
757 if (!msg.isEmpty()) {
759 params << encrypt(bufferInfo.bufferName(), channelEncode(bufferInfo.bufferName(), msg));
761 params << channelEncode(bufferInfo.bufferName(), msg);
765 emit putCmd("TOPIC", params);
768 void CoreUserInputHandler::handleVoice(const BufferInfo& bufferInfo, const QString& msg)
770 QStringList nicks = msg.split(' ', QString::SkipEmptyParts);
772 for (int i = 0; i < nicks.count(); i++)
775 params << bufferInfo.bufferName() << m << nicks;
776 emit putCmd("MODE", serverEncode(params));
779 void CoreUserInputHandler::handleWait(const BufferInfo& bufferInfo, const QString& msg)
781 int splitPos = msg.indexOf(';');
786 int delay = msg.left(splitPos).trimmed().toInt(&ok);
792 QString command = msg.mid(splitPos + 1).trimmed();
793 if (command.isEmpty())
796 _delayedCommands[startTimer(delay)] = Command(bufferInfo, command);
799 void CoreUserInputHandler::handleWho(const BufferInfo& bufferInfo, const QString& msg)
802 emit putCmd("WHO", serverEncode(msg.split(' ')));
805 void CoreUserInputHandler::handleWhois(const BufferInfo& bufferInfo, const QString& msg)
808 emit putCmd("WHOIS", serverEncode(msg.split(' ')));
811 void CoreUserInputHandler::handleWhowas(const BufferInfo& bufferInfo, const QString& msg)
814 emit putCmd("WHOWAS", serverEncode(msg.split(' ')));
817 void CoreUserInputHandler::defaultHandler(QString cmd, const BufferInfo& bufferInfo, const QString& msg)
819 Q_UNUSED(bufferInfo);
820 emit putCmd(serverEncode(cmd.toUpper()), serverEncode(msg.split(" ")));
823 void CoreUserInputHandler::putPrivmsg(const QString& target,
824 const QString& message,
825 std::function<QByteArray(const QString&, const QString&)> encodeFunc,
829 QString cmd("PRIVMSG");
830 QByteArray targetEnc = serverEncode(target);
832 std::function<QList<QByteArray>(QString&)> cmdGenerator = [&](QString& splitMsg) -> QList<QByteArray> {
833 QByteArray splitMsgEnc = encodeFunc(target, splitMsg);
836 if (cipher && !cipher->key().isEmpty() && !splitMsg.isEmpty()) {
837 cipher->encrypt(splitMsgEnc);
840 return QList<QByteArray>() << targetEnc << splitMsgEnc;
843 putCmd(cmd, network()->splitMessage(cmd, message, cmdGenerator));
846 // returns 0 if the message will not be chopped by the irc server or number of chopped bytes if message is too long
847 int CoreUserInputHandler::lastParamOverrun(const QString& cmd, const QList<QByteArray>& params)
849 // the server will pass our message truncated to 512 bytes including CRLF with the following format:
850 // ":prefix COMMAND param0 param1 :lastparam"
851 // where prefix = "nickname!user@host"
852 // that means that the last message can be as long as:
853 // 512 - nicklen - userlen - hostlen - commandlen - sum(param[0]..param[n-1])) - 2 (for CRLF) - 4 (":!@" + 1space between prefix and
854 // command) - max(paramcount - 1, 0) (space for simple params) - 2 (space and colon for last param)
855 IrcUser* me = network()->me();
856 int maxLen = 480 - cmd.toLatin1().count(); // educated guess in case we don't know us (yet?)
859 maxLen = 512 - serverEncode(me->nick()).count() - serverEncode(me->user()).count() - serverEncode(me->host()).count()
860 - cmd.toLatin1().count() - 6;
862 if (!params.isEmpty()) {
863 for (int i = 0; i < params.count() - 1; i++) {
864 maxLen -= (params[i].count() + 1);
866 maxLen -= 2; // " :" last param separator;
868 if (params.last().count() > maxLen) {
869 return params.last().count() - maxLen;
881 QByteArray CoreUserInputHandler::encrypt(const QString& target, const QByteArray& message_, bool* didEncrypt) const
886 if (message_.isEmpty())
889 if (!Cipher::neededFeaturesAvailable())
892 Cipher* cipher = network()->cipher(target);
893 if (!cipher || cipher->key().isEmpty())
896 QByteArray message = message_;
897 bool result = cipher->encrypt(message);
899 *didEncrypt = result;
906 void CoreUserInputHandler::timerEvent(QTimerEvent* event)
908 if (!_delayedCommands.contains(event->timerId())) {
909 QObject::timerEvent(event);
912 BufferInfo bufferInfo = _delayedCommands[event->timerId()].bufferInfo;
913 QString rawCommand = _delayedCommands[event->timerId()].command;
914 _delayedCommands.remove(event->timerId());
917 // the stored command might be the result of an alias expansion, so we need to split it up again
918 QStringList commands = rawCommand.split(QRegExp("; ?"));
919 foreach (QString command, commands) {
920 handleUserInput(bufferInfo, command);