1/***************************************************************************
2 * Copyright (C) 2005-2014 by the Quassel Project *
3 * devel@quassel-irc.org *
4 * *
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. *
9 * *
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. *
14 * *
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 ***************************************************************************/
20
21#include "coresession.h"
22
23#include <QtScript>
24
25#include "core.h"
26#include "coreuserinputhandler.h"
27#include "corebuffersyncer.h"
28#include "corebacklogmanager.h"
29#include "corebufferviewmanager.h"
30#include "coreeventmanager.h"
31#include "coreidentity.h"
32#include "coreignorelistmanager.h"
33#include "coreirclisthelper.h"
34#include "corenetwork.h"
35#include "corenetworkconfig.h"
36#include "coresessioneventprocessor.h"
37#include "coretransfermanager.h"
38#include "coreusersettings.h"
39#include "ctcpparser.h"
40#include "eventstringifier.h"
41#include "internalpeer.h"
42#include "ircchannel.h"
43#include "ircparser.h"
44#include "ircuser.h"
45#include "logger.h"
46#include "messageevent.h"
47#include "remotepeer.h"
48#include "storage.h"
49#include "util.h"
50
51
52class ProcessMessagesEvent : public QEvent
53{
54public:
55 ProcessMessagesEvent() : QEvent(QEvent::User) {}
56};
57
58
59CoreSession::CoreSession(UserId uid, bool restoreState, QObject *parent)
60 : QObject(parent),
61 _user(uid),
62 _signalProxy(new SignalProxy(SignalProxy::Server, this)),
63 _aliasManager(this),
64 _bufferSyncer(new CoreBufferSyncer(this)),
65 _backlogManager(new CoreBacklogManager(this)),
66 _bufferViewManager(new CoreBufferViewManager(_signalProxy, this)),
67 _ircListHelper(new CoreIrcListHelper(this)),
68 _networkConfig(new CoreNetworkConfig("GlobalNetworkConfig", this)),
69 _coreInfo(this),
70 _transferManager(new CoreTransferManager(this)),
71 _eventManager(new CoreEventManager(this)),
72 _eventStringifier(new EventStringifier(this)),
73 _sessionEventProcessor(new CoreSessionEventProcessor(this)),
74 _ctcpParser(new CtcpParser(this)),
75 _ircParser(new IrcParser(this)),
76 scriptEngine(new QScriptEngine(this)),
77 _processMessages(false),
78 _ignoreListManager(this)
79{
80 SignalProxy *p = signalProxy();
81 p->setHeartBeatInterval(30);
82 p->setMaxHeartBeatCount(60); // 30 mins until we throw a dead socket out
83
84 connect(p, SIGNAL(peerRemoved(Peer*)), SLOT(removeClient(Peer*)));
85
86 connect(p, SIGNAL(connected()), SLOT(clientsConnected()));
87 connect(p, SIGNAL(disconnected()), SLOT(clientsDisconnected()));
88
89 p->attachSlot(SIGNAL(sendInput(BufferInfo, QString)), this, SLOT(msgFromClient(BufferInfo, QString)));
90 p->attachSignal(this, SIGNAL(displayMsg(Message)));
91 p->attachSignal(this, SIGNAL(displayStatusMsg(QString, QString)));
92
93 p->attachSignal(this, SIGNAL(identityCreated(const Identity &)));
94 p->attachSignal(this, SIGNAL(identityRemoved(IdentityId)));
95 p->attachSlot(SIGNAL(createIdentity(const Identity &, const QVariantMap &)), this, SLOT(createIdentity(const Identity &, const QVariantMap &)));
96 p->attachSlot(SIGNAL(removeIdentity(IdentityId)), this, SLOT(removeIdentity(IdentityId)));
97
98 p->attachSignal(this, SIGNAL(networkCreated(NetworkId)));
99 p->attachSignal(this, SIGNAL(networkRemoved(NetworkId)));
100 p->attachSlot(SIGNAL(createNetwork(const NetworkInfo &, const QStringList &)), this, SLOT(createNetwork(const NetworkInfo &, const QStringList &)));
101 p->attachSlot(SIGNAL(removeNetwork(NetworkId)), this, SLOT(removeNetwork(NetworkId)));
102
103 loadSettings();
104 initScriptEngine();
105
106 eventManager()->registerObject(ircParser(), EventManager::NormalPriority);
107 eventManager()->registerObject(sessionEventProcessor(), EventManager::HighPriority); // needs to process events *before* the stringifier!
108 eventManager()->registerObject(ctcpParser(), EventManager::NormalPriority);
109 eventManager()->registerObject(eventStringifier(), EventManager::NormalPriority);
110 eventManager()->registerObject(this, EventManager::LowPriority); // for sending MessageEvents to the client
111 // some events need to be handled after msg generation
112 eventManager()->registerObject(sessionEventProcessor(), EventManager::LowPriority, "lateProcess");
113 eventManager()->registerObject(ctcpParser(), EventManager::LowPriority, "send");
114
115 // periodically save our session state
116 connect(&(Core::instance()->syncTimer()), SIGNAL(timeout()), this, SLOT(saveSessionState()));
117
118 p->synchronize(_bufferSyncer);
119 p->synchronize(&aliasManager());
120 p->synchronize(_backlogManager);
121 p->synchronize(ircListHelper());
122 p->synchronize(networkConfig());
123 p->synchronize(&_coreInfo);
124 p->synchronize(&_ignoreListManager);
125 p->synchronize(transferManager());
126 // Restore session state
127 if (restoreState)
128 restoreSessionState();
129
130 emit initialized();
131}
132
133
134CoreSession::~CoreSession()
135{
136 saveSessionState();
137 foreach(CoreNetwork *net, _networks.values()) {
138 delete net;
139 }
140}
141
142
143CoreNetwork *CoreSession::network(NetworkId id) const
144{
145 if (_networks.contains(id)) return _networks[id];
146 return 0;
147}
148
149
150CoreIdentity *CoreSession::identity(IdentityId id) const
151{
152 if (_identities.contains(id)) return _identities[id];
153 return 0;
154}
155
156
157void CoreSession::loadSettings()
158{
159 CoreUserSettings s(user());
160
161 // migrate to db
162 QList<IdentityId> ids = s.identityIds();
163 QList<NetworkInfo> networkInfos = Core::networks(user());
164 foreach(IdentityId id, ids) {
165 CoreIdentity identity(s.identity(id));
166 IdentityId newId = Core::createIdentity(user(), identity);
167 QList<NetworkInfo>::iterator networkIter = networkInfos.begin();
168 while (networkIter != networkInfos.end()) {
169 if (networkIter->identity == id) {
170 networkIter->identity = newId;
171 Core::updateNetwork(user(), *networkIter);
172 networkIter = networkInfos.erase(networkIter);
173 }
174 else {
175 networkIter++;
176 }
177 }
178 s.removeIdentity(id);
179 }
180 // end of migration
181
182 foreach(CoreIdentity identity, Core::identities(user())) {
183 createIdentity(identity);
184 }
185
186 foreach(NetworkInfo info, Core::networks(user())) {
187 createNetwork(info);
188 }
189}
190
191
192void CoreSession::saveSessionState() const
193{
194 _bufferSyncer->storeDirtyIds();
195 _bufferViewManager->saveBufferViews();
196 _networkConfig->save();
197}
198
199
200void CoreSession::restoreSessionState()
201{
202 QList<NetworkId> nets = Core::connectedNetworks(user());
203 CoreNetwork *net = 0;
204 foreach(NetworkId id, nets) {
205 net = network(id);
206 Q_ASSERT(net);
207 net->connectToIrc();
208 }
209}
210
211
212void CoreSession::addClient(RemotePeer *peer)
213{
214 peer->dispatch(sessionState());
215 signalProxy()->addPeer(peer);
216}
217
218
219void CoreSession::addClient(InternalPeer *peer)
220{
221 signalProxy()->addPeer(peer);
222 emit sessionState(sessionState());
223}
224
225
226void CoreSession::removeClient(Peer *peer)
227{
228 RemotePeer *p = qobject_cast<RemotePeer *>(peer);
229 if (p)
230 quInfo() << qPrintable(tr("Client")) << p->description() << qPrintable(tr("disconnected (UserId: %1).").arg(user().toInt()));
231}
232
233
234QHash<QString, QString> CoreSession::persistentChannels(NetworkId id) const
235{
236 return Core::persistentChannels(user(), id);
237}
238
239
240// FIXME switch to BufferId
241void CoreSession::msgFromClient(BufferInfo bufinfo, QString msg)
242{
243 CoreNetwork *net = network(bufinfo.networkId());
244 if (net) {
245 net->userInput(bufinfo, msg);
246 }
247 else {
248 qWarning() << "Trying to send to unconnected network:" << msg;
249 }
250}
251
252
253// ALL messages coming pass through these functions before going to the GUI.
254// So this is the perfect place for storing the backlog and log stuff.
255void CoreSession::recvMessageFromServer(NetworkId networkId, Message::Type type, BufferInfo::Type bufferType,
256 const QString &target, const QString &text_, const QString &sender, Message::Flags flags)
257{
258 // U+FDD0 and U+FDD1 are special characters for Qt's text engine, specifically they mark the boundaries of
259 // text frames in a QTextDocument. This might lead to problems in widgets displaying QTextDocuments (such as
260 // KDE's notifications), hence we remove those just to be safe.
261 QString text = text_;
262 text.remove(QChar(0xfdd0)).remove(QChar(0xfdd1));
263 RawMessage rawMsg(networkId, type, bufferType, target, text, sender, flags);
264
265 // check for HardStrictness ignore
266 CoreNetwork *currentNetwork = network(networkId);
267 QString networkName = currentNetwork ? currentNetwork->networkName() : QString("");
268 if (_ignoreListManager.match(rawMsg, networkName) == IgnoreListManager::HardStrictness)
269 return;
270
271 _messageQueue << rawMsg;
272 if (!_processMessages) {
273 _processMessages = true;
274 QCoreApplication::postEvent(this, new ProcessMessagesEvent());
275 }
276}
277
278
279void CoreSession::recvStatusMsgFromServer(QString msg)
280{
281 CoreNetwork *net = qobject_cast<CoreNetwork *>(sender());
282 Q_ASSERT(net);
283 emit displayStatusMsg(net->networkName(), msg);
284}
285
286
287void CoreSession::processMessageEvent(MessageEvent *event)
288{
289 recvMessageFromServer(event->networkId(), event->msgType(), event->bufferType(),
290 event->target().isNull() ? "" : event->target(),
291 event->text().isNull() ? "" : event->text(),
292 event->sender().isNull() ? "" : event->sender(),
293 event->msgFlags());
294}
295
296
297QList<BufferInfo> CoreSession::buffers() const
298{
299 return Core::requestBuffers(user());
300}
301
302
303void CoreSession::customEvent(QEvent *event)
304{
305 if (event->type() != QEvent::User)
306 return;
307
308 processMessages();
309 event->accept();
310}
311
312
313void CoreSession::processMessages()
314{
315 if (_messageQueue.count() == 1) {
316 const RawMessage &rawMsg = _messageQueue.first();
317 bool createBuffer = !(rawMsg.flags & Message::Redirected);
318 BufferInfo bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, rawMsg.bufferType, rawMsg.target, createBuffer);
319 if (!bufferInfo.isValid()) {
320 Q_ASSERT(!createBuffer);
321 bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, BufferInfo::StatusBuffer, "");
322 }
323 Message msg(bufferInfo, rawMsg.type, rawMsg.text, rawMsg.sender, rawMsg.flags);
324 Core::storeMessage(msg);
325 emit displayMsg(msg);
326 }
327 else {
328 QHash<NetworkId, QHash<QString, BufferInfo> > bufferInfoCache;
329 MessageList messages;
330 QList<RawMessage> redirectedMessages; // list of Messages which don't enforce a buffer creation
331 BufferInfo bufferInfo;
332 for (int i = 0; i < _messageQueue.count(); i++) {
333 const RawMessage &rawMsg = _messageQueue.at(i);
334 if (bufferInfoCache.contains(rawMsg.networkId) && bufferInfoCache[rawMsg.networkId].contains(rawMsg.target)) {
335 bufferInfo = bufferInfoCache[rawMsg.networkId][rawMsg.target];
336 }
337 else {
338 bool createBuffer = !(rawMsg.flags & Message::Redirected);
339 bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, rawMsg.bufferType, rawMsg.target, createBuffer);
340 if (!bufferInfo.isValid()) {
341 Q_ASSERT(!createBuffer);
342 redirectedMessages << rawMsg;
343 continue;
344 }
345 bufferInfoCache[rawMsg.networkId][rawMsg.target] = bufferInfo;
346 }
347 Message msg(bufferInfo, rawMsg.type, rawMsg.text, rawMsg.sender, rawMsg.flags);
348 messages << msg;
349 }
350
351 // recheck if there exists a buffer to store a redirected message in
352 for (int i = 0; i < redirectedMessages.count(); i++) {
353 const RawMessage &rawMsg = redirectedMessages.at(i);
354 if (bufferInfoCache.contains(rawMsg.networkId) && bufferInfoCache[rawMsg.networkId].contains(rawMsg.target)) {
355 bufferInfo = bufferInfoCache[rawMsg.networkId][rawMsg.target];
356 }
357 else {
358 // no luck -> we store them in the StatusBuffer
359 bufferInfo = Core::bufferInfo(user(), rawMsg.networkId, BufferInfo::StatusBuffer, "");
360 // add the StatusBuffer to the Cache in case there are more Messages for the original target
361 bufferInfoCache[rawMsg.networkId][rawMsg.target] = bufferInfo;
362 }
363 Message msg(bufferInfo, rawMsg.type, rawMsg.text, rawMsg.sender, rawMsg.flags);
364 messages << msg;
365 }
366
367 Core::storeMessages(messages);
368 // FIXME: extend protocol to a displayMessages(MessageList)
369 for (int i = 0; i < messages.count(); i++) {
370 emit displayMsg(messages[i]);
371 }
372 }
373 _processMessages = false;
374 _messageQueue.clear();
375}
376
377
378Protocol::SessionState CoreSession::sessionState() const
379{
380 QVariantList bufferInfos;
381 QVariantList networkIds;
382 QVariantList identities;
383
384 foreach(const BufferInfo &id, buffers())
385 bufferInfos << QVariant::fromValue(id);
386 foreach(const NetworkId &id, _networks.keys())
387 networkIds << QVariant::fromValue(id);
388 foreach(const Identity *i, _identities.values())
389 identities << QVariant::fromValue(*i);
390
391 return Protocol::SessionState(identities, bufferInfos, networkIds);
392}
393
394
395void CoreSession::initScriptEngine()
396{
397 signalProxy()->attachSlot(SIGNAL(scriptRequest(QString)), this, SLOT(scriptRequest(QString)));
398 signalProxy()->attachSignal(this, SIGNAL(scriptResult(QString)));
399
400 // FIXME
401 //QScriptValue storage_ = scriptEngine->newQObject(storage);
402 //scriptEngine->globalObject().setProperty("storage", storage_);
403}
404
405
406void CoreSession::scriptRequest(QString script)
407{
408 emit scriptResult(scriptEngine->evaluate(script).toString());
409}
410
411
412/*** Identity Handling ***/
413void CoreSession::createIdentity(const Identity &identity, const QVariantMap &additional)
414{
415#ifndef HAVE_SSL
416 Q_UNUSED(additional)
417#endif
418
419 CoreIdentity coreIdentity(identity);
420#ifdef HAVE_SSL
421 if (additional.contains("KeyPem"))
422 coreIdentity.setSslKey(additional["KeyPem"].toByteArray());
423 if (additional.contains("CertPem"))
424 coreIdentity.setSslCert(additional["CertPem"].toByteArray());
425#endif
426 qDebug() << Q_FUNC_INFO;
427 IdentityId id = Core::createIdentity(user(), coreIdentity);
428 if (!id.isValid())
429 return;
430 else
431 createIdentity(coreIdentity);
432}
433
434
435void CoreSession::createIdentity(const CoreIdentity &identity)
436{
437 CoreIdentity *coreIdentity = new CoreIdentity(identity, this);
438 _identities[identity.id()] = coreIdentity;
439 // CoreIdentity has its own synchronize method since its "private" sslManager needs to be synced as well
440 coreIdentity->synchronize(signalProxy());
441 connect(coreIdentity, SIGNAL(updated()), this, SLOT(updateIdentityBySender()));
442 emit identityCreated(*coreIdentity);
443}
444
445
446void CoreSession::updateIdentityBySender()
447{
448 CoreIdentity *identity = qobject_cast<CoreIdentity *>(sender());
449 if (!identity)
450 return;
451 Core::updateIdentity(user(), *identity);
452}
453
454
455void CoreSession::removeIdentity(IdentityId id)
456{
457 CoreIdentity *identity = _identities.take(id);
458 if (identity) {
459 emit identityRemoved(id);
460 Core::removeIdentity(user(), id);
461 identity->deleteLater();
462 }
463}
464
465
466/*** Network Handling ***/
467
468void CoreSession::createNetwork(const NetworkInfo &info_, const QStringList &persistentChans)
469{
470 NetworkInfo info = info_;
471 int id;
472
473 if (!info.networkId.isValid())
474 Core::createNetwork(user(), info);
475
476 if (!info.networkId.isValid()) {
477 qWarning() << qPrintable(tr("CoreSession::createNetwork(): Got invalid networkId from Core when trying to create network %1!").arg(info.networkName));
478 return;
479 }
480
481 id = info.networkId.toInt();
482 if (!_networks.contains(id)) {
483 // create persistent chans
484 QRegExp rx("\\s*(\\S+)(?:\\s*(\\S+))?\\s*");
485 foreach(QString channel, persistentChans) {
486 if (!rx.exactMatch(channel)) {
487 qWarning() << QString("Invalid persistent channel declaration: %1").arg(channel);
488 continue;
489 }
490 Core::bufferInfo(user(), info.networkId, BufferInfo::ChannelBuffer, rx.cap(1), true);
491 Core::setChannelPersistent(user(), info.networkId, rx.cap(1), true);
492 if (!rx.cap(2).isEmpty())
493 Core::setPersistentChannelKey(user(), info.networkId, rx.cap(1), rx.cap(2));
494 }
495
496 CoreNetwork *net = new CoreNetwork(id, this);
497 connect(net, SIGNAL(displayMsg(NetworkId, Message::Type, BufferInfo::Type, const QString &, const QString &, const QString &, Message::Flags)),
498 SLOT(recvMessageFromServer(NetworkId, Message::Type, BufferInfo::Type, const QString &, const QString &, const QString &, Message::Flags)));
499 connect(net, SIGNAL(displayStatusMsg(QString)), SLOT(recvStatusMsgFromServer(QString)));
500 connect(net, SIGNAL(disconnected(NetworkId)), SIGNAL(networkDisconnected(NetworkId)));
501
502 net->setNetworkInfo(info);
503 net->setProxy(signalProxy());
504 _networks[id] = net;
505 signalProxy()->synchronize(net);
506 emit networkCreated(id);
507 }
508 else {
509 qWarning() << qPrintable(tr("CoreSession::createNetwork(): Trying to create a network that already exists, updating instead!"));
510 _networks[info.networkId]->requestSetNetworkInfo(info);
511 }
512}
513
514
515void CoreSession::removeNetwork(NetworkId id)
516{
517 // Make sure the network is disconnected!
518 CoreNetwork *net = network(id);
519 if (!net)
520 return;
521
522 if (net->connectionState() != Network::Disconnected) {
523 // make sure we no longer receive data from the tcp buffer
524 disconnect(net, SIGNAL(displayMsg(NetworkId, Message::Type, BufferInfo::Type, const QString &, const QString &, const QString &, Message::Flags)), this, 0);
525 disconnect(net, SIGNAL(displayStatusMsg(QString)), this, 0);
526 connect(net, SIGNAL(disconnected(NetworkId)), this, SLOT(destroyNetwork(NetworkId)));
527 net->disconnectFromIrc();
528 }
529 else {
530 destroyNetwork(id);
531 }
532}
533
534
535void CoreSession::destroyNetwork(NetworkId id)
536{
537 QList<BufferId> removedBuffers = Core::requestBufferIdsForNetwork(user(), id);
538 Network *net = _networks.take(id);
539 if (net && Core::removeNetwork(user(), id)) {
540 // make sure that all unprocessed RawMessages from this network are removed
541 QList<RawMessage>::iterator messageIter = _messageQueue.begin();
542 while (messageIter != _messageQueue.end()) {
543 if (messageIter->networkId == id) {
544 messageIter = _messageQueue.erase(messageIter);
545 }
546 else {
547 messageIter++;
548 }
549 }
550 // remove buffers from syncer
551 foreach(BufferId bufferId, removedBuffers) {
552 _bufferSyncer->removeBuffer(bufferId);
553 }
554 emit networkRemoved(id);
555 net->deleteLater();
556 }
557}
558
559
560void CoreSession::renameBuffer(const NetworkId &networkId, const QString &newName, const QString &oldName)
561{
562 BufferInfo bufferInfo = Core::bufferInfo(user(), networkId, BufferInfo::QueryBuffer, oldName, false);
563 if (bufferInfo.isValid()) {
564 _bufferSyncer->renameBuffer(bufferInfo.bufferId(), newName);
565 }
566}
567
568
569void CoreSession::clientsConnected()
570{
571 QHash<NetworkId, CoreNetwork *>::iterator netIter = _networks.begin();
572 Identity *identity = 0;
573 CoreNetwork *net = 0;
574 IrcUser *me = 0;
575 while (netIter != _networks.end()) {
576 net = *netIter;
577 netIter++;
578
579 if (!net->isConnected())
580 continue;
581 identity = net->identityPtr();
582 if (!identity)
583 continue;
584 me = net->me();
585 if (!me)
586 continue;
587
588 if (identity->detachAwayEnabled() && me->isAway()) {
589 net->userInputHandler()->handleAway(BufferInfo(), QString());
590 }
591 }
592}
593
594
595void CoreSession::clientsDisconnected()
596{
597 QHash<NetworkId, CoreNetwork *>::iterator netIter = _networks.begin();
598 Identity *identity = 0;
599 CoreNetwork *net = 0;
600 IrcUser *me = 0;
601 QString awayReason;
602 while (netIter != _networks.end()) {
603 net = *netIter;
604 netIter++;
605
606 if (!net->isConnected())
607 continue;
608
609 identity = net->identityPtr();
610 if (!identity)
611 continue;
612 me = net->me();
613 if (!me)
614 continue;
615
616 if (identity->detachAwayEnabled() && !me->isAway()) {
617 if (!identity->detachAwayReason().isEmpty())
618 awayReason = identity->detachAwayReason();
619 net->setAutoAwayActive(true);
620 net->userInputHandler()->handleAway(BufferInfo(), awayReason);
621 }
622 }
623}
624
625
626void CoreSession::globalAway(const QString &msg)
627{
628 QHash<NetworkId, CoreNetwork *>::iterator netIter = _networks.begin();
629 CoreNetwork *net = 0;
630 while (netIter != _networks.end()) {
631 net = *netIter;
632 netIter++;
633
634 if (!net->isConnected())
635 continue;
636
637 net->userInputHandler()->issueAway(msg, false /* no force away */);
638 }
639}
640