/***************************************************************************
- * Copyright (C) 2005-2010 by the Quassel Project *
+ * Copyright (C) 2005-2016 by the Quassel Project *
* devel@quassel-irc.org *
* *
* This program is free software; you can redistribute it and/or modify *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#include "coresessioneventprocessor.h"
+#include "coreirclisthelper.h"
+#include "corenetwork.h"
#include "coresession.h"
+#include "coretransfer.h"
+#include "coretransfermanager.h"
+#include "ctcpevent.h"
+#include "ircevent.h"
+#include "ircuser.h"
+#include "logger.h"
+#include "messageevent.h"
+#include "netsplit.h"
+#include "quassel.h"
+
+#ifdef HAVE_QCA2
+# include "keyevent.h"
+#endif
+
+// IRCv3 capabilities
+#include "irccap.h"
CoreSessionEventProcessor::CoreSessionEventProcessor(CoreSession *session)
- : QObject(session),
- _coreSession(session)
+ : BasicHandler("handleCtcp", session),
+ _coreSession(session)
+{
+ connect(coreSession(), SIGNAL(networkDisconnected(NetworkId)), this, SLOT(destroyNetsplits(NetworkId)));
+ connect(this, SIGNAL(newEvent(Event *)), coreSession()->eventManager(), SLOT(postEvent(Event *)));
+}
+
+
+bool CoreSessionEventProcessor::checkParamCount(IrcEvent *e, int minParams)
+{
+ if (e->params().count() < minParams) {
+ if (e->type() == EventManager::IrcEventNumeric) {
+ qWarning() << "Command " << static_cast<IrcEventNumeric *>(e)->number() << " requires " << minParams << "params, got: " << e->params();
+ }
+ else {
+ QString name = coreSession()->eventManager()->enumName(e->type());
+ qWarning() << qPrintable(name) << "requires" << minParams << "params, got:" << e->params();
+ }
+ e->stop();
+ return false;
+ }
+ return true;
+}
+
+
+void CoreSessionEventProcessor::tryNextNick(NetworkEvent *e, const QString &errnick, bool erroneus)
+{
+ QStringList desiredNicks = coreSession()->identity(e->network()->identity())->nicks();
+ int nextNickIdx = desiredNicks.indexOf(errnick) + 1;
+ QString nextNick;
+ if (nextNickIdx > 0 && desiredNicks.size() > nextNickIdx) {
+ nextNick = desiredNicks[nextNickIdx];
+ }
+ else {
+ if (erroneus) {
+ // FIXME Make this an ErrorEvent or something like that, so it's translated in the client
+ MessageEvent *msgEvent = new MessageEvent(Message::Error, e->network(),
+ tr("No free and valid nicks in nicklist found. use: /nick <othernick> to continue"),
+ QString(), QString(), Message::None, e->timestamp());
+ emit newEvent(msgEvent);
+ return;
+ }
+ else {
+ nextNick = errnick + "_";
+ }
+ }
+ // FIXME Use a proper output event for this
+ coreNetwork(e)->putRawLine("NICK " + coreNetwork(e)->encodeServerString(nextNick));
+}
+
+
+void CoreSessionEventProcessor::processIrcEventNumeric(IrcEventNumeric *e)
+{
+ switch (e->number()) {
+ // SASL authentication replies
+ // See: http://ircv3.net/specs/extensions/sasl-3.1.html
+
+ //case 900: // RPL_LOGGEDIN
+ //case 901: // RPL_LOGGEDOUT
+ // Don't use 900 or 901 for updating the local hostmask. Unreal 3.2 gives it as the IP address
+ // even when cloaked.
+ // Every other reply should result in moving on
+ // TODO Handle errors to stop connection if appropriate
+ case 902: // ERR_NICKLOCKED
+ case 903: // RPL_SASLSUCCESS
+ case 904: // ERR_SASLFAIL
+ case 905: // ERR_SASLTOOLONG
+ case 906: // ERR_SASLABORTED
+ case 907: // ERR_SASLALREADY
+ // Move on to the next capability
+ coreNetwork(e)->sendNextCap();
+ break;
+
+ default:
+ break;
+ }
+}
+
+
+void CoreSessionEventProcessor::processIrcEventAuthenticate(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ if (e->params().at(0) != "+") {
+ qWarning() << "Invalid AUTHENTICATE" << e;
+ return;
+ }
+
+ CoreNetwork *net = coreNetwork(e);
+
+#ifdef HAVE_SSL
+ if (net->identityPtr()->sslCert().isNull()) {
+#endif
+ QString construct = net->saslAccount();
+ construct.append(QChar(QChar::Null));
+ construct.append(net->saslAccount());
+ construct.append(QChar(QChar::Null));
+ construct.append(net->saslPassword());
+ QByteArray saslData = QByteArray(construct.toLatin1().toBase64());
+ saslData.prepend("AUTHENTICATE ");
+ net->putRawLine(saslData);
+#ifdef HAVE_SSL
+ } else {
+ net->putRawLine("AUTHENTICATE +");
+ }
+#endif
+}
+
+void CoreSessionEventProcessor::processIrcEventCap(IrcEvent *e)
+{
+ // Handle capability negotiation
+ // See: http://ircv3.net/specs/core/capability-negotiation-3.2.html
+ // And: http://ircv3.net/specs/core/capability-negotiation-3.1.html
+
+ // All commands require at least 2 parameters
+ if (!checkParamCount(e, 2))
+ return;
+
+ CoreNetwork *coreNet = coreNetwork(e);
+ QString capCommand = e->params().at(1).trimmed().toUpper();
+ if (capCommand == "LS" || capCommand == "NEW") {
+ // Either we've gotten a list of capabilities, or new capabilities we may want
+ // Server: CAP * LS * :multi-prefix extended-join account-notify batch invite-notify tls
+ // Server: CAP * LS * :cap-notify server-time example.org/dummy-cap=dummyvalue example.org/second-dummy-cap
+ // Server: CAP * LS :userhost-in-names sasl=EXTERNAL,DH-AES,DH-BLOWFISH,ECDSA-NIST256P-CHALLENGE,PLAIN
+ bool capListFinished;
+ QStringList availableCaps;
+ if (e->params().count() == 4) {
+ // Middle of multi-line reply, ignore the asterisk
+ capListFinished = false;
+ availableCaps = e->params().at(3).split(' ');
+ } else {
+ // Single line reply
+ capListFinished = true;
+ if (e->params().count() >= 3) {
+ // Some capabilities are specified, add them
+ availableCaps = e->params().at(2).split(' ');
+ } else {
+ // No capabilities available, add an empty list
+ availableCaps = QStringList();
+ }
+ }
+ // Sort capabilities before requesting for consistency among networks. This may avoid
+ // unexpected cases when some networks offer capabilities in a different order than
+ // others. It also looks nicer in logs. Not required.
+ availableCaps.sort();
+ // Store what capabilities are available
+ QString availableCapName, availableCapValue;
+ for (int i = 0; i < availableCaps.count(); ++i) {
+ // Capability may include values, e.g. CAP * LS :multi-prefix sasl=EXTERNAL
+ // Capability name comes before the first '='. If no '=' exists, this gets the
+ // whole string instead.
+ availableCapName = availableCaps[i].section('=', 0, 0).trimmed();
+ // Some capabilities include multiple key=value pairs in the listing,
+ // e.g. "sts=duration=31536000,port=6697"
+ // Include everything after the first equal sign as part of the value. If no '='
+ // exists, this gets an empty string.
+ availableCapValue = availableCaps[i].section('=', 1).trimmed();
+ // Only add the capability if it's non-empty
+ if (!availableCapName.isEmpty()) {
+ coreNet->addCap(availableCapName, availableCapValue);
+ }
+ }
+
+ // Begin capability requests when capability listing complete
+ if (capListFinished)
+ coreNet->beginCapNegotiation();
+ } else if (capCommand == "ACK") {
+ // CAP ACK requires at least 3 parameters (no empty response allowed)
+ if (!checkParamCount(e, 3)) {
+ // If an invalid reply is sent, try to continue rather than getting stuck.
+ coreNet->sendNextCap();
+ return;
+ }
+
+ // Server: CAP * ACK :multi-prefix sasl
+ // Got the capabilities we want, handle as needed.
+ QStringList acceptedCaps;
+ acceptedCaps = e->params().at(2).split(' ');
+
+ // Store what capability was acknowledged
+ QString acceptedCap;
+
+ // Keep track of whether or not a capability requires further configuration. Due to queuing
+ // logic in CoreNetwork::queueCap(), this shouldn't ever happen when more than one
+ // capability is requested, but it's better to handle edge cases or faulty servers.
+ bool capsRequireConfiguration = false;
+
+ for (int i = 0; i < acceptedCaps.count(); ++i) {
+ acceptedCap = acceptedCaps[i].trimmed().toLower();
+ // Mark this cap as accepted
+ coreNet->acknowledgeCap(acceptedCap);
+ if (!capsRequireConfiguration &&
+ coreNet->capsRequiringConfiguration.contains(acceptedCap)) {
+ capsRequireConfiguration = true;
+ // Some capabilities (e.g. SASL) require further messages to finish. If so, do NOT
+ // send the next capability; it will be handled elsewhere in CoreNetwork.
+ // Otherwise, allow moving on to the next capability.
+ }
+ }
+
+ if (!capsRequireConfiguration) {
+ // No additional configuration required, move on to the next capability
+ coreNet->sendNextCap();
+ }
+ } else if (capCommand == "NAK" || capCommand == "DEL") {
+ // CAP NAK/DEL require at least 3 parameters (no empty response allowed)
+ if (!checkParamCount(e, 3)) {
+ if (capCommand == "NAK") {
+ // If an invalid reply is sent, try to continue rather than getting stuck. This
+ // only matters for denied caps, not removed caps.
+ coreNet->sendNextCap();
+ }
+ return;
+ }
+
+ // Either something went wrong with the capabilities, or they are no longer supported
+ // > For CAP NAK
+ // Server: CAP * NAK :multi-prefix sasl
+ // > For CAP DEL
+ // Server: :irc.example.com CAP modernclient DEL :multi-prefix sasl
+ // CAP NAK and CAP DEL replies are always single-line
+
+ QStringList removedCaps;
+ removedCaps = e->params().at(2).split(' ');
+
+ // Store the capabilities that were denied or removed
+ QString removedCap;
+ for (int i = 0; i < removedCaps.count(); ++i) {
+ removedCap = removedCaps[i].trimmed().toLower();
+ // Mark this cap as removed.
+ // For CAP DEL, removes it from use.
+ // For CAP NAK when received before negotiation enabled these capabilities, removeCap()
+ // should do nothing. This merely guards against non-spec servers sending an
+ // unsolicited CAP ACK then later removing that capability.
+ coreNet->removeCap(removedCap);
+ }
+
+ if (capCommand == "NAK") {
+ // Continue negotiation only if this is the result of denied caps, not removed caps
+ if (removedCaps.count() > 1) {
+ // We've received a CAP NAK reply to multiple capabilities at once. Unfortunately,
+ // we don't know which capability failed and which ones are valid to re-request, so
+ // individually retry each capability from the failed bundle.
+ // See CoreNetwork::retryCapsIndividually() for more details.
+ coreNet->retryCapsIndividually();
+ // Still need to call sendNextCap() to carry on.
+ }
+ // Carry on with negotiation
+ coreNet->sendNextCap();
+ }
+ }
+}
+
+/* IRCv3 account-notify
+ * Log in: ":nick!user@host ACCOUNT accountname"
+ * Log out: ":nick!user@host ACCOUNT *" */
+void CoreSessionEventProcessor::processIrcEventAccount(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
+ if (ircuser) {
+ // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
+ // As '*' is used internally to represent logged-out, no need to handle that differently.
+ ircuser->setAccount(e->params().at(0));
+ } else {
+ qDebug() << "Received account-notify data for unknown user" << e->prefix();
+ }
+}
+
+/* IRCv3 away-notify - ":nick!user@host AWAY [:message]" */
+void CoreSessionEventProcessor::processIrcEventAway(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+ // Don't use checkParamCount(e, 2) since the message is optional. Some servers respond in a way
+ // that it counts as two parameters, but we shouldn't rely on that.
+
+ // Nick is sent as part of parameters in order to split user/server decoding
+ IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
+ if (ircuser) {
+ // If two parameters are sent -and- the second parameter isn't empty, then user is away.
+ // Otherwise, mark them as not away.
+ if (e->params().count() >= 2 && !e->params().at(1).isEmpty()) {
+ ircuser->setAway(true);
+ ircuser->setAwayMessage(e->params().at(1));
+ } else {
+ ircuser->setAway(false);
+ }
+ } else {
+ qDebug() << "Received away-notify data for unknown user" << e->params().at(0);
+ }
+}
+
+/* IRCv3 chghost - ":nick!user@host CHGHOST newuser new.host.goes.here" */
+void CoreSessionEventProcessor::processIrcEventChghost(IrcEvent *e)
+{
+ if (!checkParamCount(e, 2))
+ return;
+
+ IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
+ if (ircuser) {
+ // Update with new user/hostname information. setUser/setHost handles checking what
+ // actually changed.
+ ircuser->setUser(e->params().at(0));
+ ircuser->setHost(e->params().at(1));
+ } else {
+ qDebug() << "Received chghost data for unknown user" << e->prefix();
+ }
+}
+
+void CoreSessionEventProcessor::processIrcEventInvite(IrcEvent *e)
+{
+ if (checkParamCount(e, 2)) {
+ e->network()->updateNickFromMask(e->prefix());
+ }
+}
+
+/* JOIN: ":<nick!user@host> JOIN <channel>" */
+void CoreSessionEventProcessor::processIrcEventJoin(IrcEvent *e)
+{
+ if (e->testFlag(EventManager::Fake)) // generated by handleEarlyNetsplitJoin
+ return;
+
+ if (!checkParamCount(e, 1))
+ return;
+
+ CoreNetwork *net = coreNetwork(e);
+ QString channel = e->params()[0];
+ IrcUser *ircuser = net->updateNickFromMask(e->prefix());
+
+ if (net->capEnabled(IrcCap::EXTENDED_JOIN)) {
+ if (e->params().count() < 3) {
+ // Some IRC servers don't send extended-join events in all situations. Rather than
+ // ignore the join entirely, treat it as a regular join with a debug-level log entry.
+ // See: https://github.com/inspircd/inspircd/issues/821
+ qDebug() << "extended-join requires 3 params, got:" << e->params() << ", handling as a "
+ "regular join";
+ } else {
+ // If logged in, :nick!user@host JOIN #channelname accountname :Real Name
+ // If logged out, :nick!user@host JOIN #channelname * :Real Name
+ // See: http://ircv3.net/specs/extensions/extended-join-3.1.html
+ // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
+ // As '*' is used internally to represent logged-out, no need to handle that differently.
+ ircuser->setAccount(e->params()[1]);
+ // Update the user's real name, too
+ ircuser->setRealName(e->params()[2]);
+ }
+ }
+ // Else :nick!user@host JOIN #channelname
+
+ bool handledByNetsplit = false;
+ foreach(Netsplit* n, _netsplits.value(e->network())) {
+ handledByNetsplit = n->userJoined(e->prefix(), channel);
+ if (handledByNetsplit)
+ break;
+ }
+
+ // If using away-notify, check new users. Works around buggy IRC servers
+ // forgetting to send :away messages for users who join channels when away.
+ if (net->capEnabled(IrcCap::AWAY_NOTIFY)) {
+ net->queueAutoWhoOneshot(ircuser->nick());
+ }
+
+ if (!handledByNetsplit)
+ ircuser->joinChannel(channel);
+ else
+ e->setFlag(EventManager::Netsplit);
+
+ if (net->isMe(ircuser)) {
+ net->setChannelJoined(channel);
+ // FIXME use event
+ net->putRawLine(net->serverEncode("MODE " + channel)); // we want to know the modes of the channel we just joined, so we ask politely
+ }
+}
+
+
+void CoreSessionEventProcessor::lateProcessIrcEventKick(IrcEvent *e)
+{
+ if (checkParamCount(e, 2)) {
+ e->network()->updateNickFromMask(e->prefix());
+ IrcUser *victim = e->network()->ircUser(e->params().at(1));
+ if (victim) {
+ victim->partChannel(e->params().at(0));
+ //if(e->network()->isMe(victim)) e->network()->setKickedFromChannel(channel);
+ }
+ }
+}
+
+
+void CoreSessionEventProcessor::processIrcEventMode(IrcEvent *e)
+{
+ if (!checkParamCount(e, 2))
+ return;
+
+ if (e->network()->isChannelName(e->params().first())) {
+ // Channel Modes
+
+ IrcChannel *channel = e->network()->ircChannel(e->params()[0]);
+ if (!channel) {
+ // we received mode information for a channel we're not in. that means probably we've just been kicked out or something like that
+ // anyways: we don't have a place to store the data --> discard the info.
+ return;
+ }
+
+ QString modes = e->params()[1];
+ bool add = true;
+ int paramOffset = 2;
+ for (int c = 0; c < modes.length(); c++) {
+ if (modes[c] == '+') {
+ add = true;
+ continue;
+ }
+ if (modes[c] == '-') {
+ add = false;
+ continue;
+ }
+
+ if (e->network()->prefixModes().contains(modes[c])) {
+ // user channel modes (op, voice, etc...)
+ if (paramOffset < e->params().count()) {
+ IrcUser *ircUser = e->network()->ircUser(e->params()[paramOffset]);
+ if (!ircUser) {
+ qWarning() << Q_FUNC_INFO << "Unknown IrcUser:" << e->params()[paramOffset];
+ }
+ else {
+ if (add) {
+ bool handledByNetsplit = false;
+ QHash<QString, Netsplit *> splits = _netsplits.value(e->network());
+ foreach(Netsplit* n, _netsplits.value(e->network())) {
+ handledByNetsplit = n->userAlreadyJoined(ircUser->hostmask(), channel->name());
+ if (handledByNetsplit) {
+ n->addMode(ircUser->hostmask(), channel->name(), QString(modes[c]));
+ break;
+ }
+ }
+ if (!handledByNetsplit)
+ channel->addUserMode(ircUser, QString(modes[c]));
+ }
+ else
+ channel->removeUserMode(ircUser, QString(modes[c]));
+ }
+ }
+ else {
+ qWarning() << "Received MODE with too few parameters:" << e->params();
+ }
+ ++paramOffset;
+ }
+ else {
+ // regular channel modes
+ QString value;
+ Network::ChannelModeType modeType = e->network()->channelModeType(modes[c]);
+ if (modeType == Network::A_CHANMODE || modeType == Network::B_CHANMODE || (modeType == Network::C_CHANMODE && add)) {
+ if (paramOffset < e->params().count()) {
+ value = e->params()[paramOffset];
+ }
+ else {
+ qWarning() << "Received MODE with too few parameters:" << e->params();
+ }
+ ++paramOffset;
+ }
+
+ if (add)
+ channel->addChannelMode(modes[c], value);
+ else
+ channel->removeChannelMode(modes[c], value);
+ }
+ }
+ }
+ else {
+ // pure User Modes
+ IrcUser *ircUser = e->network()->newIrcUser(e->params().first());
+ QString modeString(e->params()[1]);
+ QString addModes;
+ QString removeModes;
+ bool add = false;
+ for (int c = 0; c < modeString.count(); c++) {
+ if (modeString[c] == '+') {
+ add = true;
+ continue;
+ }
+ if (modeString[c] == '-') {
+ add = false;
+ continue;
+ }
+ if (add)
+ addModes += modeString[c];
+ else
+ removeModes += modeString[c];
+ }
+ if (!addModes.isEmpty())
+ ircUser->addUserModes(addModes);
+ if (!removeModes.isEmpty())
+ ircUser->removeUserModes(removeModes);
+
+ if (e->network()->isMe(ircUser)) {
+ coreNetwork(e)->updatePersistentModes(addModes, removeModes);
+ }
+ }
+}
+
+
+void CoreSessionEventProcessor::lateProcessIrcEventNick(IrcEvent *e)
+{
+ if (checkParamCount(e, 1)) {
+ IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
+ if (!ircuser) {
+ qWarning() << Q_FUNC_INFO << "Unknown IrcUser!";
+ return;
+ }
+ QString newnick = e->params().at(0);
+ QString oldnick = ircuser->nick();
+
+ // the order is cruicial
+ // otherwise the client would rename the buffer, see that the assigned ircuser doesn't match anymore
+ // and remove the ircuser from the querybuffer leading to a wrong on/offline state
+ ircuser->setNick(newnick);
+ coreSession()->renameBuffer(e->networkId(), newnick, oldnick);
+ }
+}
+
+
+void CoreSessionEventProcessor::lateProcessIrcEventPart(IrcEvent *e)
+{
+ if (checkParamCount(e, 1)) {
+ IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
+ if (!ircuser) {
+ qWarning() << Q_FUNC_INFO<< "Unknown IrcUser!";
+ return;
+ }
+ QString channel = e->params().at(0);
+ ircuser->partChannel(channel);
+ if (e->network()->isMe(ircuser))
+ qobject_cast<CoreNetwork *>(e->network())->setChannelParted(channel);
+ }
+}
+
+
+void CoreSessionEventProcessor::processIrcEventPing(IrcEvent *e)
+{
+ QString param = e->params().count() ? e->params().first() : QString();
+ // FIXME use events
+ // Take priority so this won't get stuck behind other queued messages.
+ coreNetwork(e)->putRawLine("PONG " + coreNetwork(e)->serverEncode(param), true);
+}
+
+
+void CoreSessionEventProcessor::processIrcEventPong(IrcEvent *e)
+{
+ // the server is supposed to send back what we passed as param. and we send a timestamp
+ // but using quote and whatnought one can send arbitrary pings, so we have to do some sanity checks
+ if (checkParamCount(e, 2)) {
+ QString timestamp = e->params().at(1);
+ QTime sendTime = QTime::fromString(timestamp, "hh:mm:ss.zzz");
+ if (sendTime.isValid())
+ e->network()->setLatency(sendTime.msecsTo(QTime::currentTime()) / 2);
+ }
+}
+
+
+void CoreSessionEventProcessor::processIrcEventQuit(IrcEvent *e)
+{
+ IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
+ if (!ircuser)
+ return;
+
+ QString msg;
+ if (e->params().count() > 0)
+ msg = e->params()[0];
+
+ // check if netsplit
+ if (Netsplit::isNetsplit(msg)) {
+ Netsplit *n;
+ if (!_netsplits[e->network()].contains(msg)) {
+ n = new Netsplit(e->network(), this);
+ connect(n, SIGNAL(finished()), this, SLOT(handleNetsplitFinished()));
+ connect(n, SIGNAL(netsplitJoin(Network*, QString, QStringList, QStringList, QString)),
+ this, SLOT(handleNetsplitJoin(Network*, QString, QStringList, QStringList, QString)));
+ connect(n, SIGNAL(netsplitQuit(Network*, QString, QStringList, QString)),
+ this, SLOT(handleNetsplitQuit(Network*, QString, QStringList, QString)));
+ connect(n, SIGNAL(earlyJoin(Network*, QString, QStringList, QStringList)),
+ this, SLOT(handleEarlyNetsplitJoin(Network*, QString, QStringList, QStringList)));
+ _netsplits[e->network()].insert(msg, n);
+ }
+ else {
+ n = _netsplits[e->network()][msg];
+ }
+ // add this user to the netsplit
+ n->userQuit(e->prefix(), ircuser->channels(), msg);
+ e->setFlag(EventManager::Netsplit);
+ }
+ // normal quit is handled in lateProcessIrcEventQuit()
+}
+
+
+void CoreSessionEventProcessor::lateProcessIrcEventQuit(IrcEvent *e)
+{
+ if (e->testFlag(EventManager::Netsplit))
+ return;
+
+ IrcUser *ircuser = e->network()->updateNickFromMask(e->prefix());
+ if (!ircuser)
+ return;
+
+ ircuser->quit();
+}
+
+
+void CoreSessionEventProcessor::processIrcEventTopic(IrcEvent *e)
+{
+ if (checkParamCount(e, 2)) {
+ e->network()->updateNickFromMask(e->prefix());
+ IrcChannel *channel = e->network()->ircChannel(e->params().at(0));
+ if (channel)
+ channel->setTopic(e->params().at(1));
+ }
+}
+
+
+#ifdef HAVE_QCA2
+void CoreSessionEventProcessor::processKeyEvent(KeyEvent *e)
+{
+ if (!Cipher::neededFeaturesAvailable()) {
+ emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Unable to perform key exchange, missing qca-ossl plugin."), e->prefix(), e->target(), Message::None, e->timestamp()));
+ return;
+ }
+ CoreNetwork *net = qobject_cast<CoreNetwork*>(e->network());
+ Cipher *c = net->cipher(e->target());
+ if (!c) // happens when there is no CoreIrcChannel for the target (i.e. never?)
+ return;
+
+ if (e->exchangeType() == KeyEvent::Init) {
+ QByteArray pubKey = c->parseInitKeyX(e->key());
+ if (pubKey.isEmpty()) {
+ emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Unable to parse the DH1080_INIT. Key exchange failed."), e->prefix(), e->target(), Message::None, e->timestamp()));
+ return;
+ } else {
+ net->setCipherKey(e->target(), c->key());
+ emit newEvent(new MessageEvent(Message::Info, e->network(), tr("Your key is set and messages will be encrypted."), e->prefix(), e->target(), Message::None, e->timestamp()));
+ QList<QByteArray> p;
+ p << net->serverEncode(e->target()) << net->serverEncode("DH1080_FINISH ")+pubKey;
+ net->putCmd("NOTICE", p);
+ }
+ } else {
+ if (c->parseFinishKeyX(e->key())) {
+ net->setCipherKey(e->target(), c->key());
+ emit newEvent(new MessageEvent(Message::Info, e->network(), tr("Your key is set and messages will be encrypted."), e->prefix(), e->target(), Message::None, e->timestamp()));
+ } else {
+ emit newEvent(new MessageEvent(Message::Info, e->network(), tr("Failed to parse DH1080_FINISH. Key exchange failed."), e->prefix(), e->target(), Message::None, e->timestamp()));
+ }
+ }
+}
+#endif
+
+
+/* RPL_WELCOME */
+void CoreSessionEventProcessor::processIrcEvent001(IrcEventNumeric *e)
+{
+ e->network()->setCurrentServer(e->prefix());
+ e->network()->setMyNick(e->target());
+}
+
+
+/* RPL_ISUPPORT */
+// TODO Complete 005 handling, also use sensible defaults for non-sent stuff
+void CoreSessionEventProcessor::processIrcEvent005(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ QString key, value;
+ for (int i = 0; i < e->params().count() - 1; i++) {
+ QString key = e->params()[i].section("=", 0, 0);
+ QString value = e->params()[i].section("=", 1);
+ e->network()->addSupport(key, value);
+ }
+
+ /* determine our prefixes here to get an accurate result */
+ e->network()->determinePrefixes();
+}
+
+
+/* RPL_UMODEIS - "<user_modes> [<user_mode_params>]" */
+void CoreSessionEventProcessor::processIrcEvent221(IrcEvent *)
+{
+ // TODO: save information in network object
+}
+
+
+/* RPL_STATSCONN - "Highest connection cout: 8000 (7999 clients)" */
+void CoreSessionEventProcessor::processIrcEvent250(IrcEvent *)
+{
+ // TODO: save information in network object
+}
+
+
+/* RPL_LOCALUSERS - "Current local user: 5024 Max: 7999 */
+void CoreSessionEventProcessor::processIrcEvent265(IrcEvent *)
+{
+ // TODO: save information in network object
+}
+
+
+/* RPL_GLOBALUSERS - "Current global users: 46093 Max: 47650" */
+void CoreSessionEventProcessor::processIrcEvent266(IrcEvent *)
+{
+ // TODO: save information in network object
+}
+
+
+/*
+WHOIS-Message:
+ Replies 311 - 313, 317 - 319 are all replies generated in response to a WHOIS message.
+ and 301 (RPL_AWAY)
+ "<nick> :<away message>"
+WHO-Message:
+ Replies 352 and 315 paired are used to answer a WHO message.
+
+WHOWAS-Message:
+ Replies 314 and 369 are responses to a WHOWAS message.
+
+*/
+
+/* RPL_AWAY - "<nick> :<away message>" */
+void CoreSessionEventProcessor::processIrcEvent301(IrcEvent *e)
+{
+ if (!checkParamCount(e, 2))
+ return;
+
+ IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
+ if (ircuser) {
+ ircuser->setAway(true);
+ ircuser->setAwayMessage(e->params().at(1));
+ //ircuser->setLastAwayMessage(now);
+ }
+}
+
+
+/* RPL_UNAWAY - ":You are no longer marked as being away" */
+void CoreSessionEventProcessor::processIrcEvent305(IrcEvent *e)
+{
+ IrcUser *me = e->network()->me();
+ if (me)
+ me->setAway(false);
+
+ if (e->network()->autoAwayActive()) {
+ e->network()->setAutoAwayActive(false);
+ e->setFlag(EventManager::Silent);
+ }
+}
+
+
+/* RPL_NOWAWAY - ":You have been marked as being away" */
+void CoreSessionEventProcessor::processIrcEvent306(IrcEvent *e)
+{
+ IrcUser *me = e->network()->me();
+ if (me)
+ me->setAway(true);
+}
+
+
+/* RPL_WHOISSERVICE - "<user> is registered nick" */
+void CoreSessionEventProcessor::processIrcEvent307(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
+ if (ircuser)
+ ircuser->setWhoisServiceReply(e->params().join(" "));
+}
+
+
+/* RPL_SUSERHOST - "<user> is available for help." */
+void CoreSessionEventProcessor::processIrcEvent310(IrcEvent *e)
{
+ if (!checkParamCount(e, 1))
+ return;
+
+ IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
+ if (ircuser)
+ ircuser->setSuserHost(e->params().join(" "));
+}
+
+/* RPL_WHOISUSER - "<nick> <user> <host> * :<real name>" */
+void CoreSessionEventProcessor::processIrcEvent311(IrcEvent *e)
+{
+ if (!checkParamCount(e, 3))
+ return;
+
+ IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
+ if (ircuser) {
+ ircuser->setUser(e->params().at(1));
+ ircuser->setHost(e->params().at(2));
+ ircuser->setRealName(e->params().last());
+ }
+}
+
+
+/* RPL_WHOISSERVER - "<nick> <server> :<server info>" */
+void CoreSessionEventProcessor::processIrcEvent312(IrcEvent *e)
+{
+ if (!checkParamCount(e, 2))
+ return;
+
+ IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
+ if (ircuser)
+ ircuser->setServer(e->params().at(1));
+}
+
+
+/* RPL_WHOISOPERATOR - "<nick> :is an IRC operator" */
+void CoreSessionEventProcessor::processIrcEvent313(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
+ if (ircuser)
+ ircuser->setIrcOperator(e->params().last());
+}
+
+
+/* RPL_ENDOFWHO: "<name> :End of WHO list" */
+void CoreSessionEventProcessor::processIrcEvent315(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ if (coreNetwork(e)->setAutoWhoDone(e->params()[0]))
+ e->setFlag(EventManager::Silent);
+}
+
+
+/* RPL_WHOISIDLE - "<nick> <integer> :seconds idle"
+ (real life: "<nick> <integer> <integer> :seconds idle, signon time) */
+void CoreSessionEventProcessor::processIrcEvent317(IrcEvent *e)
+{
+ if (!checkParamCount(e, 2))
+ return;
+
+ QDateTime loginTime;
+
+ int idleSecs = e->params()[1].toInt();
+ if (e->params().count() > 3) { // if we have more then 3 params we have the above mentioned "real life" situation
+ int logintime = e->params()[2].toInt();
+ loginTime = QDateTime::fromTime_t(logintime);
+ }
+
+ IrcUser *ircuser = e->network()->ircUser(e->params()[0]);
+ if (ircuser) {
+ ircuser->setIdleTime(e->timestamp().addSecs(-idleSecs));
+ if (loginTime.isValid())
+ ircuser->setLoginTime(loginTime);
+ }
+}
+
+
+/* RPL_LIST - "<channel> <# visible> :<topic>" */
+void CoreSessionEventProcessor::processIrcEvent322(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ QString channelName;
+ quint32 userCount = 0;
+ QString topic;
+
+ switch (e->params().count()) {
+ case 3:
+ topic = e->params()[2];
+ case 2:
+ userCount = e->params()[1].toUInt();
+ case 1:
+ channelName = e->params()[0];
+ default:
+ break;
+ }
+ if (coreSession()->ircListHelper()->addChannel(e->networkId(), channelName, userCount, topic))
+ e->stop(); // consumed by IrcListHelper, so don't further process/show this event
+}
+
+
+/* RPL_LISTEND ":End of LIST" */
+void CoreSessionEventProcessor::processIrcEvent323(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ if (coreSession()->ircListHelper()->endOfChannelList(e->networkId()))
+ e->stop(); // consumed by IrcListHelper, so don't further process/show this event
+}
+
+
+/* RPL_CHANNELMODEIS - "<channel> <mode> <mode params>" */
+void CoreSessionEventProcessor::processIrcEvent324(IrcEvent *e)
+{
+ processIrcEventMode(e);
+}
+
+
+/* RPL_WHOISACCOUNT - "<nick> <account> :is authed as" */
+void CoreSessionEventProcessor::processIrcEvent330(IrcEvent *e)
+{
+ // Though the ":is authed as" remark should always be there, we should handle cases when it's
+ // not included, too.
+ if (!checkParamCount(e, 2))
+ return;
+
+ IrcUser *ircuser = e->network()->ircUser(e->params().at(0));
+ if (ircuser) {
+ ircuser->setAccount(e->params().at(1));
+ }
+}
+
+
+/* RPL_NOTOPIC */
+void CoreSessionEventProcessor::processIrcEvent331(IrcEvent *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
+ if (chan)
+ chan->setTopic(QString());
+}
+
+
+/* RPL_TOPIC */
+void CoreSessionEventProcessor::processIrcEvent332(IrcEvent *e)
+{
+ if (!checkParamCount(e, 2))
+ return;
+
+ IrcChannel *chan = e->network()->ircChannel(e->params()[0]);
+ if (chan)
+ chan->setTopic(e->params()[1]);
+}
+
+
+/* RPL_WHOREPLY: "<channel> <user> <host> <server> <nick>
+ ( "H" / "G" > ["*"] [ ( "@" / "+" ) ] :<hopcount> <real name>" */
+void CoreSessionEventProcessor::processIrcEvent352(IrcEvent *e)
+{
+ if (!checkParamCount(e, 6))
+ return;
+
+ QString channel = e->params()[0];
+ IrcUser *ircuser = e->network()->ircUser(e->params()[4]);
+ if (ircuser) {
+ processWhoInformation(e->network(), channel, ircuser, e->params()[3], e->params()[1],
+ e->params()[2], e->params()[5], e->params().last().section(" ", 1));
+ }
+
+ // Check if channel name has a who in progress.
+ // If not, then check if user nick exists and has a who in progress.
+ if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
+ (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
+ e->setFlag(EventManager::Silent);
+ }
+}
+
+
+/* RPL_NAMREPLY */
+void CoreSessionEventProcessor::processIrcEvent353(IrcEvent *e)
+{
+ if (!checkParamCount(e, 3))
+ return;
+
+ // param[0] is either "=", "*" or "@" indicating a public, private or secret channel
+ // we don't use this information at the time beeing
+ QString channelname = e->params()[1];
+
+ IrcChannel *channel = e->network()->ircChannel(channelname);
+ if (!channel) {
+ qWarning() << Q_FUNC_INFO << "Received unknown target channel:" << channelname;
+ return;
+ }
+
+ QStringList nicks;
+ QStringList modes;
+
+ // Cache result of multi-prefix to avoid unneeded casts and lookups with each iteration.
+ bool _useCapMultiPrefix = coreNetwork(e)->capEnabled(IrcCap::MULTI_PREFIX);
+
+ foreach(QString nick, e->params()[2].split(' ', QString::SkipEmptyParts)) {
+ QString mode;
+
+ if (_useCapMultiPrefix) {
+ // If multi-prefix is enabled, all modes will be sent in NAMES replies.
+ // :hades.arpa 353 guest = #tethys :~&@%+aji &@Attila @+alyx +KindOne Argure
+ // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
+ while (e->network()->prefixes().contains(nick[0])) {
+ // Mode found in 1 left-most character, add it to the list.
+ // Note: sending multiple modes may cause a warning in older clients.
+ // In testing, the clients still seemed to function fine.
+ mode.append(e->network()->prefixToMode(nick[0]));
+ // Remove this mode from the nick
+ nick = nick.remove(0, 1);
+ }
+ } else if (e->network()->prefixes().contains(nick[0])) {
+ // Multi-prefix is disabled and a mode prefix was found.
+ mode = e->network()->prefixToMode(nick[0]);
+ nick = nick.mid(1);
+ }
+
+ // If userhost-in-names capability is enabled, the following will be
+ // in the form "nick!user@host" rather than "nick". This works without
+ // special handling as the following use nickFromHost() as needed.
+ // See: http://ircv3.net/specs/extensions/userhost-in-names-3.2.html
+
+ nicks << nick;
+ modes << mode;
+ }
+
+ channel->joinIrcUsers(nicks, modes);
+}
+
+
+/* RPL_WHOSPCRPL: "<yournick> 152 #<channel> ~<ident> <host> <servname> <nick>
+ ("H"/ "G") <account> :<realname>"
+<channel> is * if not specific to any channel
+<account> is * if not logged in
+Follows HexChat's usage of 'whox'
+See https://github.com/hexchat/hexchat/blob/c874a9525c9b66f1d5ddcf6c4107d046eba7e2c5/src/common/proto-irc.c#L750
+And http://faerion.sourceforge.net/doc/irc/whox.var*/
+void CoreSessionEventProcessor::processIrcEvent354(IrcEvent *e)
+{
+ // First only check if at least one parameter exists. Otherwise, it'll stop the result from
+ // being shown if the user chooses different parameters.
+ if (!checkParamCount(e, 1))
+ return;
+
+ if (e->params()[0].toUInt() != IrcCap::ACCOUNT_NOTIFY_WHOX_NUM) {
+ // Ignore WHOX replies without expected number for we have no idea what fields are specified
+ return;
+ }
+
+ // Now we're fairly certain this is supposed to be an automated WHOX. Bail out if it doesn't
+ // match what we require - 9 parameters.
+ if (!checkParamCount(e, 9))
+ return;
+
+ QString channel = e->params()[1];
+ IrcUser *ircuser = e->network()->ircUser(e->params()[5]);
+ if (ircuser) {
+ processWhoInformation(e->network(), channel, ircuser, e->params()[4], e->params()[2],
+ e->params()[3], e->params()[6], e->params().last());
+ // Don't use .section(" ", 1) with WHOX replies, for there's no hopcount to trim out
+
+ // As part of IRCv3 account-notify, check account name
+ // WHOX uses '0' to indicate logged-out, account-notify and extended-join uses '*'.
+ QString newAccount = e->params()[7];
+ if (newAccount != "0") {
+ // Account logged in, set account name
+ ircuser->setAccount(newAccount);
+ } else {
+ // Account logged out, set account name to logged-out
+ ircuser->setAccount("*");
+ }
+ }
+
+ // Check if channel name has a who in progress.
+ // If not, then check if user nick exists and has a who in progress.
+ if (coreNetwork(e)->isAutoWhoInProgress(channel) ||
+ (ircuser && coreNetwork(e)->isAutoWhoInProgress(ircuser->nick()))) {
+ e->setFlag(EventManager::Silent);
+ }
+}
+
+
+void CoreSessionEventProcessor::processWhoInformation (Network *net, const QString &targetChannel, IrcUser *ircUser,
+ const QString &server, const QString &user, const QString &host,
+ const QString &awayStateAndModes, const QString &realname)
+{
+ ircUser->setUser(user);
+ ircUser->setHost(host);
+ ircUser->setServer(server);
+ ircUser->setRealName(realname);
+
+ bool away = awayStateAndModes.contains("G", Qt::CaseInsensitive);
+ ircUser->setAway(away);
+
+ if (net->capEnabled(IrcCap::MULTI_PREFIX)) {
+ // If multi-prefix is enabled, all modes will be sent in WHO replies.
+ // :kenny.chatspike.net 352 guest #test grawity broken.symlink *.chatspike.net grawity H@%+ :0 Mantas M.
+ // See: http://ircv3.net/specs/extensions/multi-prefix-3.1.html
+ QString uncheckedModes = awayStateAndModes;
+ QString validModes = QString();
+ while (!uncheckedModes.isEmpty()) {
+ // Mode found in 1 left-most character, add it to the list
+ if (net->prefixes().contains(uncheckedModes[0])) {
+ validModes.append(net->prefixToMode(uncheckedModes[0]));
+ }
+ // Remove this mode from the list of unchecked modes
+ uncheckedModes = uncheckedModes.remove(0, 1);
+ }
+
+ // Some IRC servers decide to not follow the spec, returning only -some- of the user
+ // modes in WHO despite listing them all in NAMES. For now, assume it can only add
+ // and not take away. *sigh*
+ if (!validModes.isEmpty()) {
+ if (targetChannel != "*") {
+ // Channel-specific modes received, apply to given channel only
+ IrcChannel *ircChan = net->ircChannel(targetChannel);
+ if (ircChan) {
+ // Do one mode at a time
+ // TODO Better way of syncing this without breaking protocol?
+ for (int i = 0; i < validModes.count(); ++i) {
+ ircChan->addUserMode(ircUser, validModes.at(i));
+ }
+ }
+ } else {
+ // Modes apply to the user everywhere
+ ircUser->addUserModes(validModes);
+ }
+ }
+ }
+}
+
+
+/* ERR_NOSUCHCHANNEL - "<channel name> :No such channel" */
+void CoreSessionEventProcessor::processIrcEvent403(IrcEventNumeric *e)
+{
+ // If this is the result of an AutoWho, hide it. It's confusing to show to the user.
+ // Though the ":No such channel" remark should always be there, we should handle cases when it's
+ // not included, too.
+ if (!checkParamCount(e, 1))
+ return;
+
+ QString channelOrNick = e->params()[0];
+ // Check if channel name has a who in progress.
+ // If not, then check if user nick exists and has a who in progress.
+ if (coreNetwork(e)->isAutoWhoInProgress(channelOrNick)) {
+ qDebug() << "Channel/nick" << channelOrNick << "no longer exists during AutoWho, ignoring";
+ e->setFlag(EventManager::Silent);
+ }
+}
+
+/* ERR_ERRONEUSNICKNAME */
+void CoreSessionEventProcessor::processIrcEvent432(IrcEventNumeric *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ QString errnick;
+ if (e->params().count() < 2) {
+ // handle unreal-ircd bug, where unreal ircd doesnt supply a TARGET in ERR_ERRONEUSNICKNAME during registration phase:
+ // nick @@@
+ // :irc.scortum.moep.net 432 @@@ :Erroneous Nickname: Illegal characters
+ // correct server reply:
+ // :irc.scortum.moep.net 432 * @@@ :Erroneous Nickname: Illegal characters
+ e->params().prepend(e->target());
+ e->setTarget("*");
+ }
+ errnick = e->params()[0];
+
+ tryNextNick(e, errnick, true /* erroneus */);
+}
+
+
+/* ERR_NICKNAMEINUSE */
+void CoreSessionEventProcessor::processIrcEvent433(IrcEventNumeric *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ QString errnick = e->params().first();
+
+ // if there is a problem while connecting to the server -> we handle it
+ // but only if our connection has not been finished yet...
+ if (!e->network()->currentServer().isEmpty())
+ return;
+
+ tryNextNick(e, errnick);
+}
+
+
+/* ERR_UNAVAILRESOURCE */
+void CoreSessionEventProcessor::processIrcEvent437(IrcEventNumeric *e)
+{
+ if (!checkParamCount(e, 1))
+ return;
+
+ QString errnick = e->params().first();
+
+ // if there is a problem while connecting to the server -> we handle it
+ // but only if our connection has not been finished yet...
+ if (!e->network()->currentServer().isEmpty())
+ return;
+
+ if (!e->network()->isChannelName(errnick))
+ tryNextNick(e, errnick);
+}
+
+
+/* template
+void CoreSessionEventProcessor::processIrcEvent(IrcEvent *e) {
+ if(!checkParamCount(e, 1))
+ return;
+
+}
+*/
+
+/* Handle signals from Netsplit objects */
+
+void CoreSessionEventProcessor::handleNetsplitJoin(Network *net,
+ const QString &channel,
+ const QStringList &users,
+ const QStringList &modes,
+ const QString &quitMessage)
+{
+ IrcChannel *ircChannel = net->ircChannel(channel);
+ if (!ircChannel) {
+ return;
+ }
+ QList<IrcUser *> ircUsers;
+ QStringList newModes = modes;
+ QStringList newUsers = users;
+
+ foreach(const QString &user, users) {
+ IrcUser *iu = net->ircUser(nickFromMask(user));
+ if (iu)
+ ircUsers.append(iu);
+ else { // the user already quit
+ int idx = users.indexOf(user);
+ newUsers.removeAt(idx);
+ newModes.removeAt(idx);
+ }
+ }
+
+ ircChannel->joinIrcUsers(ircUsers, newModes);
+ NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitJoin, net, channel, newUsers, quitMessage);
+ emit newEvent(event);
+}
+
+
+void CoreSessionEventProcessor::handleNetsplitQuit(Network *net, const QString &channel, const QStringList &users, const QString &quitMessage)
+{
+ NetworkSplitEvent *event = new NetworkSplitEvent(EventManager::NetworkSplitQuit, net, channel, users, quitMessage);
+ emit newEvent(event);
+ foreach(QString user, users) {
+ IrcUser *iu = net->ircUser(nickFromMask(user));
+ if (iu)
+ iu->quit();
+ }
+}
+
+
+void CoreSessionEventProcessor::handleEarlyNetsplitJoin(Network *net, const QString &channel, const QStringList &users, const QStringList &modes)
+{
+ IrcChannel *ircChannel = net->ircChannel(channel);
+ if (!ircChannel) {
+ qDebug() << "handleEarlyNetsplitJoin(): channel " << channel << " invalid";
+ return;
+ }
+ QList<NetworkEvent *> events;
+ QList<IrcUser *> ircUsers;
+ QStringList newModes = modes;
+
+ foreach(QString user, users) {
+ IrcUser *iu = net->updateNickFromMask(user);
+ if (iu) {
+ ircUsers.append(iu);
+ // fake event for scripts that consume join events
+ events << new IrcEvent(EventManager::IrcEventJoin, net, iu->hostmask(), QStringList() << channel);
+ }
+ else {
+ newModes.removeAt(users.indexOf(user));
+ }
+ }
+ ircChannel->joinIrcUsers(ircUsers, newModes);
+ foreach(NetworkEvent *event, events) {
+ event->setFlag(EventManager::Fake); // ignore this in here!
+ emit newEvent(event);
+ }
+}
+
+
+void CoreSessionEventProcessor::handleNetsplitFinished()
+{
+ Netsplit *n = qobject_cast<Netsplit *>(sender());
+ Q_ASSERT(n);
+ QHash<QString, Netsplit *> splithash = _netsplits.take(n->network());
+ splithash.remove(splithash.key(n));
+ if (splithash.count())
+ _netsplits[n->network()] = splithash;
+ n->deleteLater();
+}
+
+
+void CoreSessionEventProcessor::destroyNetsplits(NetworkId netId)
+{
+ Network *net = coreSession()->network(netId);
+ if (!net)
+ return;
+
+ QHash<QString, Netsplit *> splits = _netsplits.take(net);
+ qDeleteAll(splits);
+}
+
+
+/*******************************/
+/******** CTCP HANDLING ********/
+/*******************************/
+
+void CoreSessionEventProcessor::processCtcpEvent(CtcpEvent *e)
+{
+ if (e->testFlag(EventManager::Self))
+ return; // ignore ctcp events generated by user input
+
+ if (e->type() != EventManager::CtcpEvent || e->ctcpType() != CtcpEvent::Query)
+ return;
+
+ handle(e->ctcpCmd(), Q_ARG(CtcpEvent *, e));
+}
+
+
+void CoreSessionEventProcessor::defaultHandler(const QString &ctcpCmd, CtcpEvent *e)
+{
+ // This handler is only there to avoid warnings for unknown CTCPs
+ Q_UNUSED(e);
+ Q_UNUSED(ctcpCmd);
+}
+
+
+void CoreSessionEventProcessor::handleCtcpAction(CtcpEvent *e)
+{
+ // This handler is only there to feed CLIENTINFO
+ Q_UNUSED(e);
+}
+
+
+void CoreSessionEventProcessor::handleCtcpClientinfo(CtcpEvent *e)
+{
+ QStringList supportedHandlers;
+ foreach(QString handler, providesHandlers())
+ supportedHandlers << handler.toUpper();
+ qSort(supportedHandlers);
+ e->setReply(supportedHandlers.join(" "));
+}
+
+
+// http://www.irchelp.org/irchelp/rfc/ctcpspec.html
+// http://en.wikipedia.org/wiki/Direct_Client-to-Client
+void CoreSessionEventProcessor::handleCtcpDcc(CtcpEvent *e)
+{
+ // DCC support is unfinished, experimental and potentially dangerous, so make it opt-in
+ if (!Quassel::isOptionSet("enable-experimental-dcc")) {
+ quInfo() << "DCC disabled, start core with --enable-experimental-dcc if you really want to try it out";
+ return;
+ }
+
+ // normal: SEND <filename> <ip> <port> [<filesize>]
+ // reverse: SEND <filename> <ip> 0 <filesize> <token>
+ QStringList params = e->param().split(' ');
+ if (params.count()) {
+ QString cmd = params[0].toUpper();
+ if (cmd == "SEND") {
+ if (params.count() < 4) {
+ qWarning() << "Invalid DCC SEND request:" << e; // TODO emit proper error to client
+ return;
+ }
+ QString filename = params[1];
+ QHostAddress address;
+ quint16 port = params[3].toUShort();
+ quint64 size = 0;
+ QString numIp = params[2]; // this is either IPv4 as a 32 bit value, or IPv6 (which always contains a colon)
+ if (numIp.contains(':')) { // IPv6
+ if (!address.setAddress(numIp)) {
+ qWarning() << "Invalid IPv6:" << numIp;
+ return;
+ }
+ }
+ else {
+ address.setAddress(numIp.toUInt());
+ }
+
+ if (port == 0) { // Reverse DCC is indicated by a 0 port
+ emit newEvent(new MessageEvent(Message::Error, e->network(), tr("Reverse DCC SEND not supported"), e->prefix(), e->target(), Message::None, e->timestamp()));
+ return;
+ }
+ if (port < 1024) {
+ qWarning() << "Privileged port requested:" << port; // FIXME ask user if this is ok
+ }
+
+
+ if (params.count() > 4) { // filesize is optional
+ size = params[4].toULong();
+ }
+
+ // TODO: check if target is the right thing to use for the partner
+ CoreTransfer *transfer = new CoreTransfer(Transfer::Direction::Receive, e->target(), filename, address, port, size, this);
+ coreSession()->signalProxy()->synchronize(transfer);
+ coreSession()->transferManager()->addTransfer(transfer);
+ }
+ else {
+ emit newEvent(new MessageEvent(Message::Error, e->network(), tr("DCC %1 not supported").arg(cmd), e->prefix(), e->target(), Message::None, e->timestamp()));
+ return;
+ }
+ }
+}
+
+
+void CoreSessionEventProcessor::handleCtcpPing(CtcpEvent *e)
+{
+ e->setReply(e->param().isNull() ? "" : e->param());
+}
+
+
+void CoreSessionEventProcessor::handleCtcpTime(CtcpEvent *e)
+{
+ e->setReply(QDateTime::currentDateTime().toString());
+}
+
+
+void CoreSessionEventProcessor::handleCtcpVersion(CtcpEvent *e)
+{
+ e->setReply(QString("Quassel IRC %1 (built on %2) -- http://www.quassel-irc.org")
+ .arg(Quassel::buildInfo().plainVersionString).arg(Quassel::buildInfo().commitDate));
}