src/client/clientsyncer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 by the Quassel IRC Team                         *
   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  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "clientsyncer.h"
  22
  23 #include <QNetworkProxy>
  24
  25 #include "client.h"
  26 #include "global.h"
  27 #include "identity.h"
  28 #include "ircuser.h"
  29 #include "ircchannel.h"
  30 #include "network.h"
  31 #include "signalproxy.h"
  32
  33
  34 ClientSyncer::ClientSyncer(QObject *parent)
  35   : QObject(parent)
  36 {
  37   socket = 0;
  38   blockSize = 0;
  39
  40   connect(Client::signalProxy(), SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
  41 }
  42
  43 ClientSyncer::~ClientSyncer() {
  44 }
  45
  46 void ClientSyncer::coreHasData() {
  47   QVariant item;
  48   while(SignalProxy::readDataFromDevice(socket, blockSize, item)) {
  49     emit recvPartialItem(1,1);
  50     QVariantMap msg = item.toMap();
  51     if(!msg.contains("MsgType")) {
  52       // This core is way too old and does not even speak our init protocol...
  53       emit connectionError(tr("The Quassel Core you try to connect to is too old! Please consider upgrading."));
  54       disconnectFromCore();
  55       return;
  56     }
  57     if(msg["MsgType"] == "ClientInitAck") {
  58       clientInitAck(msg);
  59     } else if(msg["MsgType"] == "ClientInitReject") {
  60       emit connectionError(msg["Error"].toString());
  61       disconnectFromCore();
  62       return;
  63     } else if(msg["MsgType"] == "CoreSetupAck") {
  64       emit coreSetupSuccess();
  65     } else if(msg["MsgType"] == "CoreSetupReject") {
  66       emit coreSetupFailed(msg["Error"].toString());
  67     } else if(msg["MsgType"] == "ClientLoginReject") {
  68       emit loginFailed(msg["Error"].toString());
  69     } else if(msg["MsgType"] == "ClientLoginAck") {
  70       // prevent multiple signal connections
  71       disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
  72       connect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
  73       emit loginSuccess();
  74     } else if(msg["MsgType"] == "SessionInit") {
  75       sessionStateReceived(msg["SessionState"].toMap());
  76       break; // this is definitively the last message we process here!
  77     } else {
  78       emit connectionError(tr("<b>Invalid data received from core!</b><br>Disconnecting."));
  79       disconnectFromCore();
  80       return;
  81     }
  82   }
  83   if(blockSize > 0) {
  84     emit recvPartialItem(socket->bytesAvailable(), blockSize);
  85   }
  86 }
  87
  88 void ClientSyncer::coreSocketError(QAbstractSocket::SocketError) {
  89   qDebug() << "coreSocketError" << socket << socket->errorString();
  90   emit connectionError(socket->errorString());
  91   socket->deleteLater();
  92 }
  93
  94 void ClientSyncer::disconnectFromCore() {
  95   if(socket) socket->close();
  96 }
  97
  98 void ClientSyncer::connectToCore(const QVariantMap &conn) {
  99   // TODO implement SSL
 100   coreConnectionInfo = conn;
 101   //if(isConnected()) {
 102   //  emit coreConnectionError(tr("Already connected to Core!"));
 103   //  return;
 104   // }
 105   if(socket != 0) {
 106     socket->deleteLater();
 107     socket = 0;
 108   }
 109   if(conn["Host"].toString().isEmpty()) {
 110     emit connectionError(tr("Internal connections not yet supported."));
 111     return; // FIXME implement internal connections
 112     //clientMode = LocalCore;
 113     socket = new QBuffer(this);
 114     connect(socket, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 115     socket->open(QIODevice::ReadWrite);
 116     //QVariant state = connectToLocalCore(coreConnectionInfo["User"].toString(), coreConnectionInfo["Password"].toString());
 117     //syncToCore(state);
 118     coreSocketConnected();
 119   } else {
 120     //clientMode = RemoteCore;
 121     //emit coreConnectionMsg(tr("Connecting..."));
 122     Q_ASSERT(!socket);
 123
 124 #ifndef QT_NO_OPENSSL
 125     QSslSocket *sock = new QSslSocket(Client::instance());
 126 #else
 127     if(conn["useSsl"].toBool()) {
 128         emit connectionError(tr("<b>This client is built without SSL Support!</b><br />Disable the usage of SSL in the account settings."));
 129         emit encrypted(false);
 130         return;
 131     }
 132     QTcpSocket *sock = new QTcpSocket(Client::instance());
 133 #endif
 134
 135     if(conn.contains("useProxy") && conn["useProxy"].toBool()) {
 136       QNetworkProxy proxy((QNetworkProxy::ProxyType)conn["proxyType"].toInt(), conn["proxyHost"].toString(), conn["proxyPort"].toUInt(), conn["proxyUser"].toString(), conn["proxyPassword"].toString());
 137       sock->setProxy(proxy);
 138     }
 139     socket = sock;
 140     connect(sock, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 141     connect(sock, SIGNAL(connected()), this, SLOT(coreSocketConnected()));
 142     connect(sock, SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
 143     connect(sock, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(coreSocketError(QAbstractSocket::SocketError)));
 144     connect(sock, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SIGNAL(socketStateChanged(QAbstractSocket::SocketState)));
 145     sock->connectToHost(conn["Host"].toString(), conn["Port"].toUInt());
 146   }
 147 }
 148
 149 void ClientSyncer::coreSocketConnected() {
 150   //connect(this, SIGNAL(recvPartialItem(uint, uint)), this, SIGNAL(coreConnectionProgress(uint, uint)));
 151   // Phase One: Send client info and wait for core info
 152
 153   //emit coreConnectionMsg(tr("Synchronizing to core..."));
 154   QVariantMap clientInit;
 155   clientInit["MsgType"] = "ClientInit";
 156   clientInit["ClientVersion"] = Global::quasselVersion;
 157   clientInit["ClientDate"] = Global::quasselDate;
 158   clientInit["ClientBuild"] = Global::quasselBuild; // this is a minimum, since we probably won't update for every commit
 159   clientInit["UseSsl"] = coreConnectionInfo["useSsl"];
 160
 161   SignalProxy::writeDataToDevice(socket, clientInit);
 162 }
 163
 164 void ClientSyncer::coreSocketDisconnected() {
 165   emit socketDisconnected();
 166   Client::instance()->disconnectFromCore();
 167
 168   // FIXME handle disconnects gracefully in here as well!
 169
 170   coreConnectionInfo.clear();
 171   netsToSync.clear();
 172   channelsToSync.clear();
 173   usersToSync.clear();
 174   blockSize = 0;
 175   //restartPhaseNull();
 176 }
 177
 178 void ClientSyncer::clientInitAck(const QVariantMap &msg) {
 179   // Core has accepted our version info and sent its own. Let's see if we accept it as well...
 180   if(msg["CoreBuild"].toUInt() < Global::coreBuildNeeded) {
 181     emit connectionError(tr("<b>The Quassel Core you are trying to connect to is too old!</b><br>"
 182         "Need at least a Core Version %1 (Build >= %2) to connect.").arg(Global::quasselVersion).arg(Global::coreBuildNeeded));
 183     disconnectFromCore();
 184     return;
 185   }
 186   emit connectionMsg(msg["CoreInfo"].toString());
 187
 188 #ifndef QT_NO_OPENSSL
 189   if(coreConnectionInfo["useSsl"].toBool()) {
 190     if(msg["SupportSsl"].toBool()) {
 191       QSslSocket *sslSocket = qobject_cast<QSslSocket *>(socket);
 192       Q_ASSERT(sslSocket);
 193       connect(sslSocket, SIGNAL(sslErrors(const QList<QSslError> &)), this, SLOT(sslErrors(const QList<QSslError> &)));
 194       sslSocket->startClientEncryption();
 195       emit encrypted(true);
 196       Client::instance()->setSecuredConnection();
 197     } else {
 198       emit connectionError(tr("<b>The Quassel Core you are trying to connect to does not support SSL!</b><br />If you want to connect anyways, disable the usage of SSL in the account settings."));
 199       emit encrypted(false);
 200       disconnectFromCore();
 201       return;
 202     }
 203   }
 204 #endif
 205
 206   if(!msg["Configured"].toBool()) {
 207     // start wizard
 208     emit startCoreSetup(msg["StorageBackends"].toList());
 209   } else if(msg["LoginEnabled"].toBool()) {
 210     emit startLogin();
 211   }
 212 }
 213
 214 void ClientSyncer::doCoreSetup(const QVariant &setupData) {
 215   QVariantMap setup;
 216   setup["MsgType"] = "CoreSetupData";
 217   setup["SetupData"] = setupData;
 218   SignalProxy::writeDataToDevice(socket, setup);
 219 }
 220
 221 void ClientSyncer::loginToCore(const QString &user, const QString &passwd) {
 222   emit connectionMsg(tr("Logging in..."));
 223   QVariantMap clientLogin;
 224   clientLogin["MsgType"] = "ClientLogin";
 225   clientLogin["User"] = user;
 226   clientLogin["Password"] = passwd;
 227   SignalProxy::writeDataToDevice(socket, clientLogin);
 228 }
 229
 230 void ClientSyncer::sessionStateReceived(const QVariantMap &state) {
 231   emit sessionProgress(1, 1);
 232   disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
 233   disconnect(socket, 0, this, 0);  // rest of communication happens through SignalProxy
 234   //Client::signalProxy()->addPeer(socket);
 235   Client::instance()->setConnectedToCore(socket, coreConnectionInfo["AccountId"].value<AccountId>());
 236   syncToCore(state);
 237 }
 238
 239 void ClientSyncer::syncToCore(const QVariantMap &sessionState) {
 240
 241   // create identities
 242   foreach(QVariant vid, sessionState["Identities"].toList()) {
 243     Client::instance()->coreIdentityCreated(vid.value<Identity>());
 244   }
 245
 246   // create buffers
 247   // FIXME: get rid of this crap
 248   QVariantList bufferinfos = sessionState["BufferInfos"].toList();
 249   foreach(QVariant vinfo, bufferinfos) Client::buffer(vinfo.value<BufferInfo>());  // create Buffers and BufferItems
 250
 251   QVariantList networkids = sessionState["NetworkIds"].toList();
 252
 253   // prepare sync progress thingys... FIXME: Care about removal of networks
 254   numNetsToSync = networkids.count();
 255   numChannelsToSync = 0; //sessionState["IrcChannelCount"].toUInt();
 256   numUsersToSync = 0; // sessionState["IrcUserCount"].toUInt(); qDebug() << numUsersToSync;
 257   emit networksProgress(0, numNetsToSync);
 258   emit channelsProgress(0, numChannelsToSync);
 259   emit ircUsersProgress(0, numUsersToSync);
 260
 261   // create network objects
 262   foreach(QVariant networkid, networkids) {
 263     NetworkId netid = networkid.value<NetworkId>();
 264     Network *net = new Network(netid, Client::instance());
 265     netsToSync.insert(net);
 266     connect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 267     connect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 268     connect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 269     connect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 270     connect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 271     connect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 272     connect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 273     Client::addNetwork(net);
 274   }
 275   checkSyncState();
 276 }
 277
 278 void ClientSyncer::networkInitDone() {
 279   netsToSync.remove(sender());
 280   emit networksProgress(numNetsToSync - netsToSync.count(), numNetsToSync);
 281   checkSyncState();
 282 }
 283
 284 void ClientSyncer::ircChannelInitDone(IrcChannel *chan) {
 285   channelsToSync.remove(chan);
 286   emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 287   checkSyncState();
 288 }
 289
 290 void ClientSyncer::ircChannelAdded(IrcChannel *chan) {
 291   if(!chan->isInitialized()) {
 292     channelsToSync.insert(chan);
 293     numChannelsToSync++;
 294     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 295     checkSyncState();
 296   }
 297 }
 298
 299 void ClientSyncer::ircChannelRemoved(QObject *chan) {
 300   if(channelsToSync.contains(chan)) {
 301     numChannelsToSync--;
 302     channelsToSync.remove(chan);
 303     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 304     checkSyncState();
 305   }
 306 }
 307
 308 void ClientSyncer::ircUserInitDone(IrcUser *user) {
 309   usersToSync.remove(user);
 310   emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 311   checkSyncState();
 312 }
 313
 314 void ClientSyncer::ircUserAdded(IrcUser *user) {
 315   if(!user->isInitialized()) {
 316     usersToSync.insert(user);
 317     numUsersToSync++;
 318     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 319     checkSyncState();
 320   }
 321 }
 322
 323 void ClientSyncer::ircUserRemoved(QObject *user) {
 324   if(usersToSync.contains(user)) {
 325     numUsersToSync--;
 326     usersToSync.remove(user);
 327     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 328     checkSyncState();
 329   }
 330 }
 331
 332 void ClientSyncer::checkSyncState() {
 333   if(usersToSync.count() + channelsToSync.count() + netsToSync.count() == 0) {
 334     // done syncing!
 335     /*
 336     qDebug() << "done";
 337     foreach(Network *net, _networks.values()) {
 338       //disconnect(net, 0, this, SLOT(networkInitDone()));
 339       //disconnect(net, 0, this, SLOT(ircUserInitDone(IrcUser *)));
 340       //disconnect(net, 0, this, SLOT(ircUserAdded(IrcUser *)));
 341       //disconnect(net, 0, this, SLOT(ircUserRemoved(QObject *)));
 342       //disconnect(net, 0, this, SLOT(ircChannelInitDone(IrcChannel *)));
 343       //disconnect(net, 0, this, SLOT(ircChannelAdded(IrcChannel *)));
 344       //disconnect(net, 0, this, SLOT(ircChannelRemoved(QObject *)));
 345       qDebug() << "disconnecting";
 346       disconnect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 347       disconnect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 348       disconnect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 349       disconnect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 350       disconnect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 351       disconnect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 352       disconnect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 353     }
 354     */
 355
 356     Client::instance()->setSyncedToCore();
 357     emit syncFinished();
 358     //emit connected();
 359     //emit connectionStateChanged(true);
 360
 361   }
 362 }
 363
 364 #ifndef QT_NO_OPENSSL
 365 void ClientSyncer::sslErrors(const QList<QSslError> &errors) {
 366   qDebug() << "SSL Errors:";
 367   foreach(QSslError err, errors)
 368     qDebug() << "  " << err;
 369
 370   QSslSocket *socket = qobject_cast<QSslSocket *>(sender());
 371   if(socket)
 372     socket->ignoreSslErrors();
 373 }
 374 #endif