1 /***************************************************************************
2 * Copyright (C) 2005-2016 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 #if QT_VERSION < 0x050000
34 // QChar::LineFeed is Qt 5
35 static const QChar QCharLF = QChar('\n');
37 static const QChar QCharLF = QChar::LineFeed;
40 CoreUserInputHandler::CoreUserInputHandler(CoreNetwork *parent)
41 : CoreBasicHandler(parent)
46 void CoreUserInputHandler::handleUserInput(const BufferInfo &bufferInfo, const QString &msg)
51 AliasManager::CommandList list = coreSession()->aliasManager().processInput(bufferInfo, msg);
53 for (int i = 0; i < list.count(); i++) {
54 QString cmd = list.at(i).second.section(' ', 0, 0).remove(0, 1).toUpper();
55 QString payload = list.at(i).second.section(' ', 1);
56 handle(cmd, Q_ARG(BufferInfo, list.at(i).first), Q_ARG(QString, payload));
61 // ====================
63 // ====================
64 void CoreUserInputHandler::handleAway(const BufferInfo &bufferInfo, const QString &msg)
67 if (msg.startsWith("-all")) {
68 if (msg.length() == 4) {
69 coreSession()->globalAway();
72 Q_ASSERT(msg.length() > 4);
74 coreSession()->globalAway(msg.mid(5));
82 void CoreUserInputHandler::issueAway(const QString &msg, bool autoCheck)
84 QString awayMsg = msg;
85 IrcUser *me = network()->me();
87 // if there is no message supplied we have to check if we are already away or not
88 if (autoCheck && msg.isEmpty()) {
89 if (me && !me->isAway()) {
90 Identity *identity = network()->identityPtr();
92 awayMsg = identity->awayReason();
94 if (awayMsg.isEmpty()) {
100 me->setAwayMessage(awayMsg);
102 putCmd("AWAY", serverEncode(awayMsg));
106 void CoreUserInputHandler::handleBan(const BufferInfo &bufferInfo, const QString &msg)
108 banOrUnban(bufferInfo, msg, true);
112 void CoreUserInputHandler::handleUnban(const BufferInfo &bufferInfo, const QString &msg)
114 banOrUnban(bufferInfo, msg, false);
118 void CoreUserInputHandler::banOrUnban(const BufferInfo &bufferInfo, const QString &msg, bool ban)
123 QStringList params = msg.split(" ");
125 if (!params.isEmpty() && isChannelName(params[0])) {
126 banChannel = params.takeFirst();
128 else if (bufferInfo.type() == BufferInfo::ChannelBuffer) {
129 banChannel = bufferInfo.bufferName();
132 emit displayMsg(Message::Error, BufferInfo::StatusBuffer, "", QString("Error: channel unknown in command: /BAN %1").arg(msg));
136 if (!params.isEmpty() && !params.contains("!") && network()->ircUser(params[0])) {
137 IrcUser *ircuser = network()->ircUser(params[0]);
138 // generalizedHost changes <nick> to *!ident@*.sld.tld.
139 QString generalizedHost = ircuser->host();
140 if (generalizedHost.isEmpty()) {
141 emit displayMsg(Message::Error, BufferInfo::StatusBuffer, "", QString("Error: host unknown in command: /BAN %1").arg(msg));
145 static QRegExp ipAddress("\\d+\\.\\d+\\.\\d+\\.\\d+");
146 if (ipAddress.exactMatch(generalizedHost)) {
147 int lastDotPos = generalizedHost.lastIndexOf('.') + 1;
148 generalizedHost.replace(lastDotPos, generalizedHost.length() - lastDotPos, '*');
150 else if (generalizedHost.lastIndexOf(".") != -1 && generalizedHost.lastIndexOf(".", generalizedHost.lastIndexOf(".")-1) != -1) {
151 int secondLastPeriodPosition = generalizedHost.lastIndexOf(".", generalizedHost.lastIndexOf(".")-1);
152 generalizedHost.replace(0, secondLastPeriodPosition, "*");
154 banUser = QString("*!%1@%2").arg(ircuser->user(), generalizedHost);
157 banUser = params.join(" ");
160 QString banMode = ban ? "+b" : "-b";
161 QString banMsg = QString("MODE %1 %2 %3").arg(banChannel, banMode, banUser);
162 emit putRawLine(serverEncode(banMsg));
166 void CoreUserInputHandler::handleCtcp(const BufferInfo &bufferInfo, const QString &msg)
170 QString nick = msg.section(' ', 0, 0);
171 QString ctcpTag = msg.section(' ', 1, 1).toUpper();
172 if (ctcpTag.isEmpty())
175 QString message = msg.section(' ', 2);
176 QString verboseMessage = tr("sending CTCP-%1 request to %2").arg(ctcpTag).arg(nick);
178 if (ctcpTag == "PING") {
179 message = QString::number(QDateTime::currentMSecsSinceEpoch());
182 // FIXME make this a proper event
183 coreNetwork()->coreSession()->ctcpParser()->query(coreNetwork(), nick, ctcpTag, message);
184 emit displayMsg(Message::Action, BufferInfo::StatusBuffer, "", verboseMessage,
185 network()->myNick(), Message::Flag::Self);
189 void CoreUserInputHandler::handleDelkey(const BufferInfo &bufferInfo, const QString &msg)
191 QString bufname = bufferInfo.bufferName().isNull() ? "" : bufferInfo.bufferName();
193 if (!bufferInfo.isValid())
196 if (!Cipher::neededFeaturesAvailable()) {
197 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: QCA provider plugin not found. It is usually provided by the qca-ossl plugin."));
201 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
203 if (parms.isEmpty() && !bufferInfo.bufferName().isEmpty() && bufferInfo.acceptsRegularMessages())
204 parms.prepend(bufferInfo.bufferName());
206 if (parms.isEmpty()) {
207 emit displayMsg(Message::Info, typeByTarget(bufname), bufname,
208 tr("[usage] /delkey <nick|channel> deletes the encryption key for nick or channel or just /delkey when in a channel or query."));
212 QString target = parms.at(0);
214 if (network()->cipherKey(target).isEmpty()) {
215 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("No key has been set for %1.").arg(target));
219 network()->setCipherKey(target, QByteArray());
220 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("The key for %1 has been deleted.").arg(target));
224 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: Setting an encryption key requires Quassel to have been built "
225 "with support for the Qt Cryptographic Architecture (QCA2) library. "
226 "Contact your distributor about a Quassel package with QCA2 "
227 "support, or rebuild Quassel with QCA2 present."));
231 void CoreUserInputHandler::doMode(const BufferInfo &bufferInfo, const QChar& addOrRemove, const QChar& mode, const QString &nicks)
235 int maxModes = network()->support("MODES").toInt(&isNumber);
236 if (!isNumber || maxModes == 0) maxModes = 1;
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());
247 nickList = nicks.split(' ', QString::SkipEmptyParts);
250 if (nickList.count() == 0) return;
252 while (!nickList.isEmpty()) {
253 int amount = qMin(nickList.count(), maxModes);
254 QString m = addOrRemove; for(int i = 0; i < amount; i++) m += mode;
256 params << bufferInfo.bufferName() << m;
257 for(int i = 0; i < amount; i++) params << nickList.takeFirst();
258 emit putCmd("MODE", serverEncode(params));
263 void CoreUserInputHandler::handleDeop(const BufferInfo &bufferInfo, const QString &nicks)
265 doMode(bufferInfo, '-', 'o', nicks);
269 void CoreUserInputHandler::handleDehalfop(const BufferInfo &bufferInfo, const QString &nicks)
271 doMode(bufferInfo, '-', 'h', nicks);
275 void CoreUserInputHandler::handleDevoice(const BufferInfo &bufferInfo, const QString &nicks)
277 doMode(bufferInfo, '-', 'v', nicks);
280 void CoreUserInputHandler::handleHalfop(const BufferInfo &bufferInfo, const QString &nicks)
282 doMode(bufferInfo, '+', 'h', nicks);
285 void CoreUserInputHandler::handleOp(const BufferInfo &bufferInfo, const QString &nicks) {
286 doMode(bufferInfo, '+', 'o', nicks);
290 void CoreUserInputHandler::handleInvite(const BufferInfo &bufferInfo, const QString &msg)
293 params << msg << bufferInfo.bufferName();
294 emit putCmd("INVITE", serverEncode(params));
298 void CoreUserInputHandler::handleJoin(const BufferInfo &bufferInfo, const QString &msg)
300 Q_UNUSED(bufferInfo);
302 // trim spaces before chans or keys
303 QString sane_msg = msg;
304 sane_msg.replace(QRegExp(", +"), ",");
305 QStringList params = sane_msg.trimmed().split(" ");
307 QStringList chans = params[0].split(",", QString::SkipEmptyParts);
309 if (params.count() > 1)
310 keys = params[1].split(",");
313 for (i = 0; i < chans.count(); i++) {
314 if (!network()->isChannelName(chans[i]))
315 chans[i].prepend('#');
317 if (i < keys.count()) {
318 network()->addChannelKey(chans[i], keys[i]);
321 network()->removeChannelKey(chans[i]);
325 static const char *cmd = "JOIN";
327 QStringList joinChans, joinKeys;
328 int slicesize = chans.count();
329 QList<QByteArray> encodedParams;
331 // go through all to-be-joined channels and (re)build the join list
332 while (i < chans.count()) {
333 joinChans.append(chans.at(i));
334 if (i < keys.count())
335 joinKeys.append(keys.at(i));
337 // if the channel list we built so far either contains all requested channels or exceeds
338 // the desired amount of channels in this slice, try to send what we have so far
339 if (++i == chans.count() || joinChans.count() >= slicesize) {
341 params.append(joinChans.join(","));
342 params.append(joinKeys.join(","));
343 encodedParams = serverEncode(params);
344 // check if it fits in one command
345 if (lastParamOverrun(cmd, encodedParams) == 0) {
346 emit putCmd(cmd, encodedParams);
348 else if (slicesize > 1) {
349 // 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, typeByTarget(bufname), bufname, tr("Error: QCA provider plugin not found. It is usually provided by the qca-ossl plugin."));
372 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
374 if (parms.count() == 0 && !bufferInfo.bufferName().isEmpty() && bufferInfo.acceptsRegularMessages())
375 parms.prepend(bufferInfo.bufferName());
376 else if (parms.count() != 1) {
377 emit displayMsg(Message::Info, typeByTarget(bufname), bufname,
378 tr("[usage] /keyx [<nick>] Initiates a DH1080 key exchange with the target."));
382 QString target = parms.at(0);
384 if (network()->isChannelName(target)) {
385 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("It is only possible to exchange keys in a query buffer."));
389 Cipher *cipher = network()->cipher(target);
390 if (!cipher) // happens when there is no CoreIrcChannel for the target
393 QByteArray pubKey = cipher->initKeyExchange();
394 if (pubKey.isEmpty())
395 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Failed to initiate key exchange with %1.").arg(target));
397 QList<QByteArray> params;
398 params << serverEncode(target) << serverEncode("DH1080_INIT ") + pubKey;
399 emit putCmd("NOTICE", params);
400 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("Initiated key exchange with %1.").arg(target));
404 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: Setting an encryption key requires Quassel to have been built "
405 "with support for the Qt Cryptographic Architecture (QCA) library. "
406 "Contact your distributor about a Quassel package with QCA "
407 "support, or rebuild Quassel with QCA present."));
412 void CoreUserInputHandler::handleKick(const BufferInfo &bufferInfo, const QString &msg)
414 QString nick = msg.section(' ', 0, 0, QString::SectionSkipEmpty);
415 QString reason = msg.section(' ', 1, -1, QString::SectionSkipEmpty).trimmed();
416 if (reason.isEmpty())
417 reason = network()->identityPtr()->kickReason();
419 QList<QByteArray> params;
420 params << serverEncode(bufferInfo.bufferName()) << serverEncode(nick) << channelEncode(bufferInfo.bufferName(), reason);
421 emit putCmd("KICK", params);
425 void CoreUserInputHandler::handleKill(const BufferInfo &bufferInfo, const QString &msg)
428 QString nick = msg.section(' ', 0, 0, QString::SectionSkipEmpty);
429 QString pass = msg.section(' ', 1, -1, QString::SectionSkipEmpty);
430 QList<QByteArray> params;
431 params << serverEncode(nick) << serverEncode(pass);
432 emit putCmd("KILL", params);
436 void CoreUserInputHandler::handleList(const BufferInfo &bufferInfo, const QString &msg)
439 emit putCmd("LIST", serverEncode(msg.split(' ', QString::SkipEmptyParts)));
443 void CoreUserInputHandler::handleMe(const BufferInfo &bufferInfo, const QString &msg)
445 if (bufferInfo.bufferName().isEmpty() || !bufferInfo.acceptsRegularMessages())
446 return; // server buffer
447 // FIXME make this a proper event
449 // Split apart messages at line feeds. The IRC protocol uses those to separate commands, so
450 // they need to be split into multiple messages.
451 QStringList messages = msg.split(QCharLF);
453 foreach (auto message, messages) {
454 // Handle each separated message independently, ignoring any carriage returns
455 message = message.trimmed();
456 coreNetwork()->coreSession()->ctcpParser()->query(coreNetwork(), bufferInfo.bufferName(),
458 emit displayMsg(Message::Action, bufferInfo.type(), bufferInfo.bufferName(), message,
459 network()->myNick(), Message::Self);
464 void CoreUserInputHandler::handleMode(const BufferInfo &bufferInfo, const QString &msg)
468 QStringList params = msg.split(' ', QString::SkipEmptyParts);
469 // 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
470 if (!params.isEmpty()) {
471 if (!network()->isChannelName(params[0]) && !network()->isMyNick(params[0]))
472 params.prepend(bufferInfo.bufferName());
473 if (network()->isMyNick(params[0]) && params.count() == 2)
474 network()->updateIssuedModes(params[1]);
475 if (params[0] == "-reset" && params.count() == 1) {
476 // FIXME: give feedback to the user (I don't want to add new strings right now)
477 network()->resetPersistentModes();
482 // TODO handle correct encoding for buffer modes (channelEncode())
483 emit putCmd("MODE", serverEncode(params));
487 // TODO: show privmsgs
488 void CoreUserInputHandler::handleMsg(const BufferInfo &bufferInfo, const QString &msg)
490 Q_UNUSED(bufferInfo);
491 if (!msg.contains(' '))
494 QString target = msg.section(' ', 0, 0);
495 QString msgSection = msg.section(' ', 1);
497 std::function<QByteArray(const QString &, const QString &)> encodeFunc = [this] (const QString &target, const QString &message) -> QByteArray {
498 return userEncode(target, message);
502 putPrivmsg(target, msgSection, encodeFunc, network()->cipher(target));
504 putPrivmsg(target, msgSection, encodeFunc);
509 void CoreUserInputHandler::handleNick(const BufferInfo &bufferInfo, const QString &msg)
512 QString nick = msg.section(' ', 0, 0);
513 emit putCmd("NICK", serverEncode(nick));
517 void CoreUserInputHandler::handleNotice(const BufferInfo &bufferInfo, const QString &msg)
519 QString bufferName = msg.section(' ', 0, 0);
520 QList<QByteArray> params;
521 // Split apart messages at line feeds. The IRC protocol uses those to separate commands, so
522 // they need to be split into multiple messages.
523 QStringList messages = msg.section(' ', 1).split(QCharLF);
525 foreach (auto message, messages) {
526 // Handle each separated message independently, ignoring any carriage returns
527 message = message.trimmed();
529 params << serverEncode(bufferName) << channelEncode(bufferInfo.bufferName(), message);
530 emit putCmd("NOTICE", params);
531 emit displayMsg(Message::Notice, typeByTarget(bufferName), bufferName, message,
532 network()->myNick(), Message::Self);
538 void CoreUserInputHandler::handleOper(const BufferInfo &bufferInfo, const QString &msg)
541 emit putRawLine(serverEncode(QString("OPER %1").arg(msg)));
545 void CoreUserInputHandler::handlePart(const BufferInfo &bufferInfo, const QString &msg)
547 QList<QByteArray> params;
550 // msg might contain either a channel name and/or a reaon, so we have to check if the first word is a known channel
551 QString channelName = msg.section(' ', 0, 0);
552 if (channelName.isEmpty() || !network()->ircChannel(channelName)) {
553 channelName = bufferInfo.bufferName();
557 partReason = msg.mid(channelName.length() + 1);
560 if (partReason.isEmpty())
561 partReason = network()->identityPtr()->partReason();
563 params << serverEncode(channelName) << channelEncode(bufferInfo.bufferName(), partReason);
564 emit putCmd("PART", params);
568 void CoreUserInputHandler::handlePing(const BufferInfo &bufferInfo, const QString &msg)
574 param = QTime::currentTime().toString("hh:mm:ss.zzz");
576 // Take priority so this won't get stuck behind other queued messages.
577 putCmd("PING", serverEncode(param), QByteArray(), true);
581 void CoreUserInputHandler::handlePrint(const BufferInfo &bufferInfo, const QString &msg)
583 if (bufferInfo.bufferName().isEmpty() || !bufferInfo.acceptsRegularMessages())
584 return; // server buffer
586 QByteArray encMsg = channelEncode(bufferInfo.bufferName(), msg);
587 emit displayMsg(Message::Info, bufferInfo.type(), bufferInfo.bufferName(), msg, network()->myNick(), Message::Self);
591 // TODO: implement queries
592 void CoreUserInputHandler::handleQuery(const BufferInfo &bufferInfo, const QString &msg)
595 QString target = msg.section(' ', 0, 0);
596 // Split apart messages at line feeds. The IRC protocol uses those to separate commands, so
597 // they need to be split into multiple messages.
598 QStringList messages = msg.section(' ', 1).split(QCharLF);
600 foreach (auto message, messages) {
601 // Handle each separated message independently, ignoring any carriage returns
602 message = message.trimmed();
603 if (message.isEmpty()) {
604 emit displayMsg(Message::Server, BufferInfo::QueryBuffer, target,
605 tr("Starting query with %1").arg(target), network()->myNick(),
607 // handleMsg is a no-op if message is empty
609 emit displayMsg(Message::Plain, BufferInfo::QueryBuffer, target, message,
610 network()->myNick(), Message::Self);
611 // handleMsg needs the target specified at the beginning of the message
612 handleMsg(bufferInfo, target + " " + message);
618 void CoreUserInputHandler::handleQuit(const BufferInfo &bufferInfo, const QString &msg)
621 network()->disconnectFromIrc(true, msg);
625 void CoreUserInputHandler::issueQuit(const QString &reason, bool forceImmediate)
627 // If needing an immediate QUIT (e.g. core shutdown), prepend this to the queue
628 emit putCmd("QUIT", serverEncode(reason), QByteArray(), forceImmediate);
632 void CoreUserInputHandler::handleQuote(const BufferInfo &bufferInfo, const QString &msg)
635 emit putRawLine(serverEncode(msg));
639 void CoreUserInputHandler::handleSay(const BufferInfo &bufferInfo, const QString &msg)
641 if (bufferInfo.bufferName().isEmpty() || !bufferInfo.acceptsRegularMessages())
642 return; // server buffer
644 std::function<QByteArray(const QString &, const QString &)> encodeFunc = [this] (const QString &target, const QString &message) -> QByteArray {
645 return channelEncode(target, message);
648 // Split apart messages at line feeds. The IRC protocol uses those to separate commands, so
649 // they need to be split into multiple messages.
650 QStringList messages = msg.split(QCharLF);
652 foreach (auto message, messages) {
653 // Handle each separated message independently, ignoring any carriage returns
654 message = message.trimmed();
656 putPrivmsg(bufferInfo.bufferName(), message, encodeFunc,
657 network()->cipher(bufferInfo.bufferName()));
659 putPrivmsg(bufferInfo.bufferName(), message, encodeFunc);
661 emit displayMsg(Message::Plain, bufferInfo.type(), bufferInfo.bufferName(), message,
662 network()->myNick(), Message::Self);
667 void CoreUserInputHandler::handleSetkey(const BufferInfo &bufferInfo, const QString &msg)
669 QString bufname = bufferInfo.bufferName().isNull() ? "" : bufferInfo.bufferName();
671 if (!bufferInfo.isValid())
674 if (!Cipher::neededFeaturesAvailable()) {
675 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: QCA provider plugin not found. It is usually provided by the qca-ossl plugin."));
679 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
681 if (parms.count() == 1 && !bufferInfo.bufferName().isEmpty() && bufferInfo.acceptsRegularMessages())
682 parms.prepend(bufferInfo.bufferName());
683 else if (parms.count() != 2) {
684 emit displayMsg(Message::Info, typeByTarget(bufname), bufname,
685 tr("[usage] /setkey <nick|channel> <key> sets the encryption key for nick or channel. "
686 "/setkey <key> when in a channel or query buffer sets the key for it."));
690 QString target = parms.at(0);
691 QByteArray key = parms.at(1).toLocal8Bit();
692 network()->setCipherKey(target, key);
694 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("The key for %1 has been set.").arg(target));
697 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: Setting an encryption key requires Quassel to have been built "
698 "with support for the Qt Cryptographic Architecture (QCA) library. "
699 "Contact your distributor about a Quassel package with QCA "
700 "support, or rebuild Quassel with QCA present."));
705 void CoreUserInputHandler::handleShowkey(const BufferInfo &bufferInfo, const QString &msg)
707 QString bufname = bufferInfo.bufferName().isNull() ? "" : bufferInfo.bufferName();
709 if (!bufferInfo.isValid())
712 if (!Cipher::neededFeaturesAvailable()) {
713 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: QCA provider plugin not found. It is usually provided by the qca-ossl plugin."));
717 QStringList parms = msg.split(' ', QString::SkipEmptyParts);
719 if (parms.isEmpty() && !bufferInfo.bufferName().isEmpty() && bufferInfo.acceptsRegularMessages())
720 parms.prepend(bufferInfo.bufferName());
722 if (parms.isEmpty()) {
723 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."));
727 QString target = parms.at(0);
728 QByteArray key = network()->cipherKey(target);
731 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("No key has been set for %1.").arg(target));
735 emit displayMsg(Message::Info, typeByTarget(bufname), bufname, tr("The key for %1 is %2:%3").arg(target, network()->cipherUsesCBC(target) ? "CBC" : "ECB", QString(key)));
739 emit displayMsg(Message::Error, typeByTarget(bufname), bufname, tr("Error: Setting an encryption key requires Quassel to have been built "
740 "with support for the Qt Cryptographic Architecture (QCA2) library. "
741 "Contact your distributor about a Quassel package with QCA2 "
742 "support, or rebuild Quassel with QCA2 present."));
747 void CoreUserInputHandler::handleTopic(const BufferInfo &bufferInfo, const QString &msg)
749 if (bufferInfo.bufferName().isEmpty() || !bufferInfo.acceptsRegularMessages())
752 QList<QByteArray> params;
753 params << serverEncode(bufferInfo.bufferName());
755 if (!msg.isEmpty()) {
757 params << encrypt(bufferInfo.bufferName(), channelEncode(bufferInfo.bufferName(), msg));
759 params << channelEncode(bufferInfo.bufferName(), msg);
763 emit putCmd("TOPIC", params);
767 void CoreUserInputHandler::handleVoice(const BufferInfo &bufferInfo, const QString &msg)
769 QStringList nicks = msg.split(' ', QString::SkipEmptyParts);
770 QString m = "+"; for (int i = 0; i < nicks.count(); i++) m += 'v';
772 params << bufferInfo.bufferName() << m << nicks;
773 emit putCmd("MODE", serverEncode(params));
777 void CoreUserInputHandler::handleWait(const BufferInfo &bufferInfo, const QString &msg)
779 int splitPos = msg.indexOf(';');
784 int delay = msg.left(splitPos).trimmed().toInt(&ok);
790 QString command = msg.mid(splitPos + 1).trimmed();
791 if (command.isEmpty())
794 _delayedCommands[startTimer(delay)] = Command(bufferInfo, command);
798 void CoreUserInputHandler::handleWho(const BufferInfo &bufferInfo, const QString &msg)
801 emit putCmd("WHO", serverEncode(msg.split(' ')));
805 void CoreUserInputHandler::handleWhois(const BufferInfo &bufferInfo, const QString &msg)
808 emit putCmd("WHOIS", serverEncode(msg.split(' ')));
812 void CoreUserInputHandler::handleWhowas(const BufferInfo &bufferInfo, const QString &msg)
815 emit putCmd("WHOWAS", serverEncode(msg.split(' ')));
819 void CoreUserInputHandler::defaultHandler(QString cmd, const BufferInfo &bufferInfo, const QString &msg)
821 Q_UNUSED(bufferInfo);
822 emit putCmd(serverEncode(cmd.toUpper()), serverEncode(msg.split(" ")));
826 void CoreUserInputHandler::putPrivmsg(const QString &target, const QString &message, std::function<QByteArray(const QString &, const QString &)> encodeFunc, Cipher *cipher)
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));
847 // returns 0 if the message will not be chopped by the irc server or number of chopped bytes if message is too long
848 int CoreUserInputHandler::lastParamOverrun(const QString &cmd, const QList<QByteArray> ¶ms)
850 // the server will pass our message truncated to 512 bytes including CRLF with the following format:
851 // ":prefix COMMAND param0 param1 :lastparam"
852 // where prefix = "nickname!user@host"
853 // that means that the last message can be as long as:
854 // 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)
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() - cmd.toLatin1().count() - 6;
861 if (!params.isEmpty()) {
862 for (int i = 0; i < params.count() - 1; i++) {
863 maxLen -= (params[i].count() + 1);
865 maxLen -= 2; // " :" last param separator;
867 if (params.last().count() > maxLen) {
868 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;
907 void CoreUserInputHandler::timerEvent(QTimerEvent *event)
909 if (!_delayedCommands.contains(event->timerId())) {
910 QObject::timerEvent(event);
913 BufferInfo bufferInfo = _delayedCommands[event->timerId()].bufferInfo;
914 QString rawCommand = _delayedCommands[event->timerId()].command;
915 _delayedCommands.remove(event->timerId());
918 // the stored command might be the result of an alias expansion, so we need to split it up again
919 QStringList commands = rawCommand.split(QRegExp("; ?"));
920 foreach(QString command, commands) {
921 handleUserInput(bufferInfo, command);