X-Git-Url: https://git.quassel-irc.org/?p=quassel.git;a=blobdiff_plain;f=src%2Fcore%2Fcore.cpp;h=21e7c16f9f1b2926592ea6dc2ffac17e8cde193a;hp=dfaa1b723b263bd6ef3a47896406442e1c6c5cb6;hb=444e91f948b435e652205c4d0f1148906e9e86dc;hpb=06a03c2c69ee934aaeec83512bae2fffee83a340 diff --git a/src/core/core.cpp b/src/core/core.cpp index dfaa1b72..21e7c16f 100644 --- a/src/core/core.cpp +++ b/src/core/core.cpp @@ -1,11 +1,11 @@ /*************************************************************************** - * Copyright (C) 2005-07 by The Quassel IRC Development Team * + * Copyright (C) 2005-08 by the Quassel Project * * devel@quassel-irc.org * * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License as published by * * the Free Software Foundation; either version 2 of the License, or * - * (at your option) any later version. * + * (at your option) version 3. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * @@ -18,14 +18,24 @@ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * ***************************************************************************/ +#include +#include +#include +#include + #include "core.h" #include "coresession.h" +#include "coresettings.h" +#include "signalproxy.h" #include "sqlitestorage.h" +#include "network.h" + #include "util.h" Core *Core::instanceptr = 0; +QMutex Core::mutex; -Core * Core::instance() { +Core *Core::instance() { if(instanceptr) return instanceptr; instanceptr = new Core(); instanceptr->init(); @@ -33,59 +43,285 @@ Core * Core::instance() { } void Core::destroy() { - //instanceptr->deleteLater(); delete instanceptr; instanceptr = 0; } -Core::Core() { +Core::Core() : storage(0) { + startTime = QDateTime::currentDateTime(); // for uptime :) + // Register storage backends here! + registerStorageBackend(new SqliteStorage(this)); + + if(!_storageBackends.count()) { + qWarning() << qPrintable(tr("Could not initialize any storage backend! Exiting...")); + exit(1); // TODO make this less brutal (especially for mono client -> popup) + } + connect(&_storageSyncTimer, SIGNAL(timeout()), this, SLOT(syncStorage())); + _storageSyncTimer.start(10 * 60 * 1000); // in msecs } void Core::init() { - if(!SqliteStorage::isAvailable()) { - qFatal("Sqlite is currently required! Please make sure your Qt library has sqlite support enabled."); + configured = false; + + CoreSettings cs; + + if(!(configured = initStorage(cs.storageSettings().toMap()))) { + qWarning("Core is currently not configured! Please connect with a Quassel Client for basic setup."); + + // try to migrate old settings + QVariantMap old = cs.oldDbSettings().toMap(); + if(old.count() && old["Type"].toString().toUpper() == "SQLITE") { + QVariantMap newSettings; + newSettings["Backend"] = "SQLite"; + if((configured = initStorage(newSettings))) { + qWarning("...but thankfully I found some old settings to migrate!"); + cs.setStorageSettings(newSettings); + } + } } - //SqliteStorage::init(); - storage = new SqliteStorage(); + connect(&server, SIGNAL(newConnection()), this, SLOT(incomingConnection())); - startListening(); // FIXME make configurable - guiUser = 0; + if(!startListening(cs.port())) exit(1); // TODO make this less brutal } Core::~Core() { - //foreach(QTcpSocket *sock, validClients.keys()) { - // delete sock; - //} + foreach(QTcpSocket *socket, blocksizes.keys()) { qDebug() << "disconnecting" << socket << blocksizes.keys(); + socket->disconnectFromHost(); // disconnect local (i.e. non-authed) clients + } qDeleteAll(sessions); - delete storage; + qDeleteAll(_storageBackends); +} + +/*** Session Restore ***/ + +void Core::saveState() { + CoreSettings s; + QVariantMap state; + QVariantList activeSessions; + foreach(UserId user, instance()->sessions.keys()) activeSessions << QVariant::fromValue(user); + state["CoreBuild"] = Global::quasselBuild; + state["ActiveSessions"] = activeSessions; + s.setCoreState(state); +} + +void Core::restoreState() { + if(!instance()->configured) { + // qWarning() << qPrintable(tr("Cannot restore a state for an unconfigured core!")); + return; + } + if(instance()->sessions.count()) { + qWarning() << qPrintable(tr("Calling restoreState() even though active sessions exist!")); + return; + } + CoreSettings s; + uint build = s.coreState().toMap()["CoreBuild"].toUInt(); + if(build < 362) { + qWarning() << qPrintable(tr("Core state too old, ignoring...")); + return; + } + QVariantList activeSessions = s.coreState().toMap()["ActiveSessions"].toList(); + if(activeSessions.count() > 0) { + qDebug() << "Restoring previous core state..."; + foreach(QVariant v, activeSessions) { + UserId user = v.value(); + instance()->createSession(user, true); + } + } } -CoreSession *Core::session(UserId uid) { - Core *core = instance(); - if(core->sessions.contains(uid)) return core->sessions[uid]; - else return 0; +/*** Core Setup ***/ + +QString Core::setupCore(const QVariant &setupData_) { + QVariantMap setupData = setupData_.toMap(); + QString user = setupData.take("AdminUser").toString(); + QString password = setupData.take("AdminPasswd").toString(); + if(user.isEmpty() || password.isEmpty()) { + return tr("Admin user or password not set."); + } + if(!initStorage(setupData, true)) { + return tr("Could not setup storage!"); + } + CoreSettings s; + s.setStorageSettings(setupData); + qDebug() << qPrintable(tr("Creating admin user...")); + mutex.lock(); + storage->addUser(user, password); + mutex.unlock(); + startListening(); // TODO check when we need this + return QString(); } -CoreSession *Core::localSession() { - Core *core = instance(); - if(core->guiUser && core->sessions.contains(core->guiUser)) return core->sessions[core->guiUser]; - else return 0; +/*** Storage Handling ***/ + +bool Core::registerStorageBackend(Storage *backend) { + if(backend->isAvailable()) { + _storageBackends[backend->displayName()] = backend; + return true; + } else { + backend->deleteLater(); + return false; + } } -CoreSession *Core::createSession(UserId uid) { - Core *core = instance(); - Q_ASSERT(!core->sessions.contains(uid)); - CoreSession *sess = new CoreSession(uid, core->storage); - core->sessions[uid] = sess; - //connect(sess, SIGNAL(proxySignal(CoreSignal, QVariant, QVariant, QVariant)), core, SLOT(recvProxySignal(CoreSignal, QVariant, QVariant, QVariant))); - return sess; +void Core::unregisterStorageBackend(Storage *backend) { + _storageBackends.remove(backend->displayName()); + backend->deleteLater(); +} + +// old db settings: +// "Type" => "sqlite" +bool Core::initStorage(QVariantMap dbSettings, bool setup) { + QString backend = dbSettings["Backend"].toString(); + if(backend.isEmpty()) { + //qWarning() << "No storage backend selected!"; + return configured = false; + } + + if(_storageBackends.contains(backend)) { + storage = _storageBackends[backend]; + } else { + qWarning() << "Selected storage backend is not available:" << backend; + return configured = false; + } + if(!storage->init(dbSettings)) { + if(!setup || !(storage->setup(dbSettings) && storage->init(dbSettings))) { + qWarning() << "Could not init storage!"; + storage = 0; + return configured = false; + } + } + // delete all other backends + foreach(Storage *s, _storageBackends.values()) { + if(s != storage) s->deleteLater(); + } + _storageBackends.clear(); + + connect(storage, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &)), this, SIGNAL(bufferInfoUpdated(UserId, const BufferInfo &))); + return configured = true; +} + +void Core::syncStorage() { + QMutexLocker locker(&mutex); + if(storage) storage->sync(); +} + +/*** Storage Access ***/ +bool Core::createNetwork(UserId user, NetworkInfo &info) { + QMutexLocker locker(&mutex); + NetworkId networkId = instance()->storage->createNetwork(user, info); + if(!networkId.isValid()) + return false; + + info.networkId = networkId; + return true; +} + +bool Core::updateNetwork(UserId user, const NetworkInfo &info) { + QMutexLocker locker(&mutex); + return instance()->storage->updateNetwork(user, info); +} + +bool Core::removeNetwork(UserId user, const NetworkId &networkId) { + QMutexLocker locker(&mutex); + return instance()->storage->removeNetwork(user, networkId); +} + +QList Core::networks(UserId user) { + QMutexLocker locker(&mutex); + return instance()->storage->networks(user); +} + +NetworkId Core::networkId(UserId user, const QString &network) { + QMutexLocker locker(&mutex); + return instance()->storage->getNetworkId(user, network); } +QList Core::connectedNetworks(UserId user) { + QMutexLocker locker(&mutex); + return instance()->storage->connectedNetworks(user); +} + +void Core::setNetworkConnected(UserId user, const NetworkId &networkId, bool isConnected) { + QMutexLocker locker(&mutex); + return instance()->storage->setNetworkConnected(user, networkId, isConnected); +} + +QHash Core::persistentChannels(UserId user, const NetworkId &networkId) { + QMutexLocker locker(&mutex); + return instance()->storage->persistentChannels(user, networkId); +} + +void Core::setChannelPersistent(UserId user, const NetworkId &networkId, const QString &channel, bool isJoined) { + QMutexLocker locker(&mutex); + return instance()->storage->setChannelPersistent(user, networkId, channel, isJoined); +} + +void Core::setPersistentChannelKey(UserId user, const NetworkId &networkId, const QString &channel, const QString &key) { + QMutexLocker locker(&mutex); + return instance()->storage->setPersistentChannelKey(user, networkId, channel, key); +} + +BufferInfo Core::bufferInfo(UserId user, const NetworkId &networkId, BufferInfo::Type type, const QString &buffer) { + QMutexLocker locker(&mutex); + return instance()->storage->getBufferInfo(user, networkId, type, buffer); +} + +BufferInfo Core::getBufferInfo(UserId user, const BufferId &bufferId) { + QMutexLocker locker(&mutex); + return instance()->storage->getBufferInfo(user, bufferId); +} + +MsgId Core::storeMessage(const Message &message) { + QMutexLocker locker(&mutex); + return instance()->storage->logMessage(message); +} + +QList Core::requestMsgs(UserId user, BufferId buffer, int lastmsgs, int offset) { + QMutexLocker locker(&mutex); + return instance()->storage->requestMsgs(user, buffer, lastmsgs, offset); +} + +QList Core::requestMsgs(UserId user, BufferId buffer, QDateTime since, int offset) { + QMutexLocker locker(&mutex); + return instance()->storage->requestMsgs(user, buffer, since, offset); +} + +QList Core::requestMsgRange(UserId user, BufferId buffer, int first, int last) { + QMutexLocker locker(&mutex); + return instance()->storage->requestMsgRange(user, buffer, first, last); +} + +QList Core::requestBuffers(UserId user, QDateTime since) { + QMutexLocker locker(&mutex); + return instance()->storage->requestBuffers(user, since); +} + +bool Core::removeBuffer(const UserId &user, const BufferId &bufferId) { + QMutexLocker locker(&mutex); + return instance()->storage->removeBuffer(user, bufferId); +} + +BufferId Core::renameBuffer(const UserId &user, const NetworkId &networkId, const QString &newName, const QString &oldName) { + QMutexLocker locker(&mutex); + return instance()->storage->renameBuffer(user, networkId, newName, oldName); +} + +void Core::setBufferLastSeenMsg(UserId user, const BufferId &bufferId, const MsgId &msgId) { + QMutexLocker locker(&mutex); + return instance()->storage->setBufferLastSeenMsg(user, bufferId, msgId); +} + +QHash Core::bufferLastSeenMsgIds(UserId user) { + QMutexLocker locker(&mutex); + return instance()->storage->bufferLastSeenMsgIds(user); +} + +/*** Network Management ***/ bool Core::startListening(uint port) { if(!server.listen(QHostAddress::Any, port)) { - qWarning(QString(QString("Could not open GUI client port %1: %2").arg(port).arg(server.errorString())).toAscii()); + qWarning(qPrintable(QString("Could not open GUI client port %1: %2").arg(port).arg(server.errorString()))); return false; } qDebug() << "Listening for GUI clients on port" << server.serverPort(); @@ -98,105 +334,203 @@ void Core::stopListening() { } void Core::incomingConnection() { - // TODO implement SSL - QTcpSocket *socket = server.nextPendingConnection(); - connect(socket, SIGNAL(disconnected()), this, SLOT(clientDisconnected())); - connect(socket, SIGNAL(readyRead()), this, SLOT(clientHasData())); - blockSizes.insert(socket, (quint32)0); - qDebug() << "Client connected from " << socket->peerAddress().toString(); + while(server.hasPendingConnections()) { + QTcpSocket *socket = server.nextPendingConnection(); + connect(socket, SIGNAL(disconnected()), this, SLOT(clientDisconnected())); + connect(socket, SIGNAL(readyRead()), this, SLOT(clientHasData())); + connect(socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(socketError(QAbstractSocket::SocketError))); + + QVariantMap clientInfo; + blocksizes.insert(socket, (quint32)0); + qDebug() << "Client connected from" << qPrintable(socket->peerAddress().toString()); + + if (!configured) { + server.close(); + qDebug() << "Closing server for basic setup."; + } + } } void Core::clientHasData() { QTcpSocket *socket = dynamic_cast(sender()); - Q_ASSERT(socket && blockSizes.contains(socket)); - quint32 bsize = blockSizes.value(socket); + Q_ASSERT(socket && blocksizes.contains(socket)); QVariant item; - if(readDataFromDevice(socket, bsize, item)) { - /* this is probably obsolete now */ - if(validClients.contains(socket)) { - Q_ASSERT(false); - //QList sigdata = item.toList(); - //sessions[validClients[socket]]->processSignal((ClientSignal)sigdata[0].toInt(), sigdata[1], sigdata[2], sigdata[3]); + while(SignalProxy::readDataFromDevice(socket, blocksizes[socket], item)) { + QVariantMap msg = item.toMap(); + processClientMessage(socket, msg); + if(!blocksizes.contains(socket)) break; // this socket is no longer ours to handle! + } +} + +void Core::processClientMessage(QTcpSocket *socket, const QVariantMap &msg) { + if(!msg.contains("MsgType")) { + // Client is way too old, does not even use the current init format + qWarning() << qPrintable(tr("Antique client trying to connect... refusing.")); + socket->close(); + return; + } + // OK, so we have at least an init message format we can understand + if(msg["MsgType"] == "ClientInit") { + QVariantMap reply; + reply["CoreVersion"] = Global::quasselVersion; + reply["CoreDate"] = Global::quasselDate; + reply["CoreBuild"] = Global::quasselBuild; + // TODO: Make the core info configurable + int uptime = startTime.secsTo(QDateTime::currentDateTime()); + int updays = uptime / 86400; uptime %= 86400; + int uphours = uptime / 3600; uptime %= 3600; + int upmins = uptime / 60; + reply["CoreInfo"] = tr("Quassel Core Version %1 (Build ≥ %2)
" + "Up %3d%4h%5m (since %6)").arg(Global::quasselVersion).arg(Global::quasselBuild) + .arg(updays).arg(uphours,2,10,QChar('0')).arg(upmins,2,10,QChar('0')).arg(startTime.toString(Qt::TextDate)); + +#ifndef QT_NO_OPENSSL + SslServer *sslServer = qobject_cast(&server); + QSslSocket *sslSocket = qobject_cast(socket); + bool supportSsl = (bool)sslServer && (bool)sslSocket && sslServer->certIsValid(); +#else + bool supportSsl = false; +#endif + + reply["SupportSsl"] = supportSsl; + // switch to ssl after client has been informed about our capabilities (see below) + + reply["LoginEnabled"] = true; + + // Just version information -- check it! + if(msg["ClientBuild"].toUInt() < Global::clientBuildNeeded) { + reply["MsgType"] = "ClientInitReject"; + reply["Error"] = tr("Your Quassel Client is too old!
" + "This core needs at least client version %1 (Build >= %2).
" + "Please consider upgrading your client.").arg(Global::quasselVersion).arg(Global::quasselBuild); + SignalProxy::writeDataToDevice(socket, reply); + qWarning() << qPrintable(tr("Client %1 too old, rejecting.").arg(socket->peerAddress().toString())); + socket->close(); return; + } + // check if we are configured, start wizard otherwise + if(!configured) { + reply["Configured"] = false; + QList backends; + foreach(Storage *backend, _storageBackends.values()) { + QVariantMap v; + v["DisplayName"] = backend->displayName(); + v["Description"] = backend->description(); + backends.append(v); + } + reply["StorageBackends"] = backends; + reply["LoginEnabled"] = false; } else { - // we need to auth the client - try { - processClientInit(socket, item); - } catch(Storage::AuthError) { - qWarning() << "Authentification error!"; // FIXME - socket->close(); - return; - } catch(Exception e) { - qWarning() << "Client init error:" << e.msg(); - socket->close(); + reply["Configured"] = true; + } + clientInfo[socket] = msg; // store for future reference + reply["MsgType"] = "ClientInitAck"; + SignalProxy::writeDataToDevice(socket, reply); + +#ifndef QT_NO_OPENSSL + // after we told the client that we are ssl capable we switch to ssl mode + if(supportSsl && msg["UseSsl"].toBool()) { + qDebug() << "Starting TLS for Client:" << qPrintable(socket->peerAddress().toString()); + connect(sslSocket, SIGNAL(sslErrors(const QList &)), this, SLOT(sslErrors(const QList &))); + sslSocket->startServerEncryption(); + } +#endif + + } else { + // for the rest, we need an initialized connection + if(!clientInfo.contains(socket)) { + QVariantMap reply; + reply["MsgType"] = "ClientLoginReject"; + reply["Error"] = tr("Client not initialized!
You need to send an init message before trying to login."); + SignalProxy::writeDataToDevice(socket, reply); + qWarning() << qPrintable(tr("Client %1 did not send an init message before trying to login, rejecting.").arg(socket->peerAddress().toString())); + socket->close(); return; + } + if(msg["MsgType"] == "CoreSetupData") { + QVariantMap reply; + QString result = setupCore(msg["SetupData"]); + if(!result.isEmpty()) { + reply["MsgType"] = "CoreSetupReject"; + reply["Error"] = result; + } else { + reply["MsgType"] = "CoreSetupAck"; + } + SignalProxy::writeDataToDevice(socket, reply); + } else if(msg["MsgType"] == "ClientLogin") { + QVariantMap reply; + mutex.lock(); + UserId uid = storage->validateUser(msg["User"].toString(), msg["Password"].toString()); + mutex.unlock(); + if(uid == 0) { + reply["MsgType"] = "ClientLoginReject"; + reply["Error"] = tr("Invalid username or password!
The username/password combination you supplied could not be found in the database."); + SignalProxy::writeDataToDevice(socket, reply); return; } + reply["MsgType"] = "ClientLoginAck"; + SignalProxy::writeDataToDevice(socket, reply); + qDebug() << qPrintable(tr("Client %1 initialized and authentificated successfully as \"%2\" (UserId: %3).").arg(socket->peerAddress().toString(), msg["User"].toString()).arg(uid.toInt())); + setupClientSession(socket, uid); } - blockSizes[socket] = bsize = 0; // FIXME blockSizes aufräum0rn! } - blockSizes[socket] = bsize; } +// Potentially called during the initialization phase (before handing the connection off to the session) void Core::clientDisconnected() { - QTcpSocket *socket = dynamic_cast(sender()); - blockSizes.remove(socket); - validClients.remove(socket); - qDebug() << "Client disconnected."; - // TODO remove unneeded sessions - if necessary/possible... -} - -QVariant Core::connectLocalClient(QString user, QString passwd) { - UserId uid = instance()->storage->validateUser(user, passwd); - QVariant reply = instance()->initSession(uid); - instance()->guiUser = uid; - qDebug() << "Local client connected."; - return reply; -} + QTcpSocket *socket = dynamic_cast(sender()); // Note: This might be a QObject* already (if called by ~Core())! + Q_ASSERT(socket); + blocksizes.remove(socket); + clientInfo.remove(socket); + qDebug() << qPrintable(tr("Non-authed client disconnected.")); + socket->deleteLater(); + socket = 0; -void Core::disconnectLocalClient() { - qDebug() << "Local client disconnected."; - instance()->guiUser = 0; -} - -void Core::processClientInit(QTcpSocket *socket, const QVariant &v) { - QVariantMap msg = v.toMap(); - if(msg["GuiProtocol"].toUInt() != GUI_PROTOCOL) { - //qWarning() << "Client version mismatch."; - throw Exception("GUI client version mismatch"); + // make server listen again if still not configured + if (!configured) { + startListening(); } - // Auth - UserId uid = storage->validateUser(msg["User"].toString(), msg["Password"].toString()); // throws exception if this failed - QVariant reply = initSession(uid); - validClients[socket] = uid; // still needed? FIXME - //QList sigdata; - //sigdata.append(CS_CORE_STATE); sigdata.append(reply); sigdata.append(QVariant()); sigdata.append(QVariant()); - disconnect(socket, 0, this, 0); - sessions[uid]->addClient(socket); - writeDataToDevice(socket, reply); + + // TODO remove unneeded sessions - if necessary/possible... + // Suggestion: kill sessions if they are not connected to any network and client. } -QVariant Core::initSession(UserId uid) { +void Core::setupClientSession(QTcpSocket *socket, UserId uid) { // Find or create session for validated user - CoreSession *sess; + SessionThread *sess; if(sessions.contains(uid)) sess = sessions[uid]; - else { - sess = createSession(uid); - //validClients[socket] = uid; + else sess = createSession(uid); + // Hand over socket, session then sends state itself + disconnect(socket, 0, this, 0); + blocksizes.remove(socket); + clientInfo.remove(socket); + if(!sess) { + qWarning() << qPrintable(tr("Could not initialize session for client %1!").arg(socket->peerAddress().toString())); + socket->close(); } - QVariantMap reply; - reply["SessionState"] = sess->sessionState(); - return reply; + sess->addClient(socket); } -/* -void Core::recvProxySignal(CoreSignal sig, QVariant arg1, QVariant arg2, QVariant arg3) { - CoreSession *sess = qobject_cast(sender()); - Q_ASSERT(sess); - UserId uid = sess->userId(); - QList sigdata; - sigdata.append(sig); sigdata.append(arg1); sigdata.append(arg2); sigdata.append(arg3); - //qDebug() << "Sending signal: " << sigdata; - foreach(QTcpSocket *socket, validClients.keys()) { - if(validClients[socket] == uid) writeDataToDevice(socket, QVariant(sigdata)); +SessionThread *Core::createSession(UserId uid, bool restore) { + if(sessions.contains(uid)) { + qWarning() << "Calling createSession() when a session for the user already exists!"; + return 0; } + SessionThread *sess = new SessionThread(uid, restore, this); + sessions[uid] = sess; + sess->start(); + return sess; +} + +#ifndef QT_NO_OPENSSL +void Core::sslErrors(const QList &errors) { + Q_UNUSED(errors); + QSslSocket *socket = qobject_cast(sender()); + if(socket) + socket->ignoreSslErrors(); +} +#endif + +void Core::socketError(QAbstractSocket::SocketError err) { + QAbstractSocket *socket = qobject_cast(sender()); + if(socket && err != QAbstractSocket::RemoteHostClosedError) + qDebug() << "Core::socketError()" << socket << err << socket->errorString(); } -*/