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 #ifndef QT_NO_NETWORKPROXY
  24 #  include <QNetworkProxy>
  25 #endif
  26
  27 #include "client.h"
  28 #include "global.h"
  29 #include "identity.h"
  30 #include "ircuser.h"
  31 #include "ircchannel.h"
  32 #include "network.h"
  33 #include "signalproxy.h"
  34
  35
  36 ClientSyncer::ClientSyncer(QObject *parent)
  37   : QObject(parent)
  38 {
  39   socket = 0;
  40   blockSize = 0;
  41
  42   connect(Client::signalProxy(), SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
  43 }
  44
  45 ClientSyncer::~ClientSyncer() {
  46 }
  47
  48 void ClientSyncer::coreHasData() {
  49   QVariant item;
  50   while(SignalProxy::readDataFromDevice(socket, blockSize, item)) {
  51     emit recvPartialItem(1,1);
  52     QVariantMap msg = item.toMap();
  53     if(!msg.contains("MsgType")) {
  54       // This core is way too old and does not even speak our init protocol...
  55       emit connectionError(tr("The Quassel Core you try to connect to is too old! Please consider upgrading."));
  56       disconnectFromCore();
  57       return;
  58     }
  59     if(msg["MsgType"] == "ClientInitAck") {
  60       clientInitAck(msg);
  61     } else if(msg["MsgType"] == "ClientInitReject") {
  62       emit connectionError(msg["Error"].toString());
  63       disconnectFromCore();
  64       return;
  65     } else if(msg["MsgType"] == "CoreSetupAck") {
  66       emit coreSetupSuccess();
  67     } else if(msg["MsgType"] == "CoreSetupReject") {
  68       emit coreSetupFailed(msg["Error"].toString());
  69     } else if(msg["MsgType"] == "ClientLoginReject") {
  70       emit loginFailed(msg["Error"].toString());
  71     } else if(msg["MsgType"] == "ClientLoginAck") {
  72       // prevent multiple signal connections
  73       disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
  74       connect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
  75       emit loginSuccess();
  76     } else if(msg["MsgType"] == "SessionInit") {
  77       sessionStateReceived(msg["SessionState"].toMap());
  78       break; // this is definitively the last message we process here!
  79     } else {
  80       emit connectionError(tr("<b>Invalid data received from core!</b><br>Disconnecting."));
  81       disconnectFromCore();
  82       return;
  83     }
  84   }
  85   if(blockSize > 0) {
  86     emit recvPartialItem(socket->bytesAvailable(), blockSize);
  87   }
  88 }
  89
  90 void ClientSyncer::coreSocketError(QAbstractSocket::SocketError) {
  91   qDebug() << "coreSocketError" << socket << socket->errorString();
  92   emit connectionError(socket->errorString());
  93   socket->deleteLater();
  94 }
  95
  96 void ClientSyncer::disconnectFromCore() {
  97   if(socket) socket->close();
  98 }
  99
 100 void ClientSyncer::connectToCore(const QVariantMap &conn) {
 101   // TODO implement SSL
 102   coreConnectionInfo = conn;
 103   //if(isConnected()) {
 104   //  emit coreConnectionError(tr("Already connected to Core!"));
 105   //  return;
 106   // }
 107   if(socket != 0) {
 108     socket->deleteLater();
 109     socket = 0;
 110   }
 111   if(conn["Host"].toString().isEmpty()) {
 112     emit connectionError(tr("Internal connections not yet supported."));
 113     return; // FIXME implement internal connections
 114     //clientMode = LocalCore;
 115     socket = new QBuffer(this);
 116     connect(socket, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 117     socket->open(QIODevice::ReadWrite);
 118     //QVariant state = connectToLocalCore(coreConnectionInfo["User"].toString(), coreConnectionInfo["Password"].toString());
 119     //syncToCore(state);
 120     coreSocketConnected();
 121   } else {
 122     //clientMode = RemoteCore;
 123     //emit coreConnectionMsg(tr("Connecting..."));
 124     Q_ASSERT(!socket);
 125
 126 #ifndef QT_NO_OPENSSL
 127     QSslSocket *sock = new QSslSocket(Client::instance());
 128 #else
 129     if(conn["useSsl"].toBool()) {
 130         emit connectionError(tr("<b>This client is built without SSL Support!</b><br />Disable the usage of SSL in the account settings."));
 131         emit encrypted(false);
 132         return;
 133     }
 134     QTcpSocket *sock = new QTcpSocket(Client::instance());
 135 #endif
 136 #ifndef QT_NO_NETWORKPROXY
 137     if(conn.contains("useProxy") && conn["useProxy"].toBool()) {
 138       QNetworkProxy proxy((QNetworkProxy::ProxyType)conn["proxyType"].toInt(), conn["proxyHost"].toString(), conn["proxyPort"].toUInt(), conn["proxyUser"].toString(), conn["proxyPassword"].toString());
 139       sock->setProxy(proxy);
 140     }
 141 #endif
 142     socket = sock;
 143     connect(sock, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 144     connect(sock, SIGNAL(connected()), this, SLOT(coreSocketConnected()));
 145     connect(sock, SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
 146     connect(sock, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(coreSocketError(QAbstractSocket::SocketError)));
 147     connect(sock, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SIGNAL(socketStateChanged(QAbstractSocket::SocketState)));
 148     sock->connectToHost(conn["Host"].toString(), conn["Port"].toUInt());
 149   }
 150 }
 151
 152 void ClientSyncer::coreSocketConnected() {
 153   //connect(this, SIGNAL(recvPartialItem(uint, uint)), this, SIGNAL(coreConnectionProgress(uint, uint)));
 154   // Phase One: Send client info and wait for core info
 155
 156   //emit coreConnectionMsg(tr("Synchronizing to core..."));
 157   QVariantMap clientInit;
 158   clientInit["MsgType"] = "ClientInit";
 159   clientInit["ClientVersion"] = Global::quasselVersion;
 160   clientInit["ClientDate"] = Global::quasselDate;
 161   clientInit["ClientBuild"] = Global::quasselBuild; // this is a minimum, since we probably won't update for every commit
 162   clientInit["UseSsl"] = coreConnectionInfo["useSsl"];
 163
 164   SignalProxy::writeDataToDevice(socket, clientInit);
 165 }
 166
 167 void ClientSyncer::coreSocketDisconnected() {
 168   emit socketDisconnected();
 169   Client::instance()->disconnectFromCore();
 170
 171   // FIXME handle disconnects gracefully in here as well!
 172
 173   coreConnectionInfo.clear();
 174   netsToSync.clear();
 175   channelsToSync.clear();
 176   usersToSync.clear();
 177   blockSize = 0;
 178   //restartPhaseNull();
 179 }
 180
 181 void ClientSyncer::clientInitAck(const QVariantMap &msg) {
 182   // Core has accepted our version info and sent its own. Let's see if we accept it as well...
 183   if(msg["CoreBuild"].toUInt() < Global::coreBuildNeeded) {
 184     emit connectionError(tr("<b>The Quassel Core you are trying to connect to is too old!</b><br>"
 185         "Need at least a Core Version %1 (Build >= %2) to connect.").arg(Global::quasselVersion).arg(Global::coreBuildNeeded));
 186     disconnectFromCore();
 187     return;
 188   }
 189   emit connectionMsg(msg["CoreInfo"].toString());
 190
 191 #ifndef QT_NO_OPENSSL
 192   if(coreConnectionInfo["useSsl"].toBool()) {
 193     if(msg["SupportSsl"].toBool()) {
 194       QSslSocket *sslSocket = qobject_cast<QSslSocket *>(socket);
 195       Q_ASSERT(sslSocket);
 196       connect(sslSocket, SIGNAL(sslErrors(const QList<QSslError> &)), this, SLOT(sslErrors(const QList<QSslError> &)));
 197       sslSocket->startClientEncryption();
 198       emit encrypted(true);
 199       Client::instance()->setSecuredConnection();
 200     } else {
 201       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."));
 202       emit encrypted(false);
 203       disconnectFromCore();
 204       return;
 205     }
 206   }
 207 #endif
 208
 209   if(!msg["Configured"].toBool()) {
 210     // start wizard
 211     emit startCoreSetup(msg["StorageBackends"].toList());
 212   } else if(msg["LoginEnabled"].toBool()) {
 213     emit startLogin();
 214   }
 215 }
 216
 217 void ClientSyncer::doCoreSetup(const QVariant &setupData) {
 218   QVariantMap setup;
 219   setup["MsgType"] = "CoreSetupData";
 220   setup["SetupData"] = setupData;
 221   SignalProxy::writeDataToDevice(socket, setup);
 222 }
 223
 224 void ClientSyncer::loginToCore(const QString &user, const QString &passwd) {
 225   emit connectionMsg(tr("Logging in..."));
 226   QVariantMap clientLogin;
 227   clientLogin["MsgType"] = "ClientLogin";
 228   clientLogin["User"] = user;
 229   clientLogin["Password"] = passwd;
 230   SignalProxy::writeDataToDevice(socket, clientLogin);
 231 }
 232
 233 void ClientSyncer::sessionStateReceived(const QVariantMap &state) {
 234   emit sessionProgress(1, 1);
 235   disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
 236   disconnect(socket, 0, this, 0);  // rest of communication happens through SignalProxy
 237   //Client::signalProxy()->addPeer(socket);
 238   Client::instance()->setConnectedToCore(socket, coreConnectionInfo["AccountId"].value<AccountId>());
 239   syncToCore(state);
 240 }
 241
 242 void ClientSyncer::syncToCore(const QVariantMap &sessionState) {
 243
 244   // create identities
 245   foreach(QVariant vid, sessionState["Identities"].toList()) {
 246     Client::instance()->coreIdentityCreated(vid.value<Identity>());
 247   }
 248
 249   // create buffers
 250   // FIXME: get rid of this crap
 251   QVariantList bufferinfos = sessionState["BufferInfos"].toList();
 252   foreach(QVariant vinfo, bufferinfos) Client::buffer(vinfo.value<BufferInfo>());  // create Buffers and BufferItems
 253
 254   QVariantList networkids = sessionState["NetworkIds"].toList();
 255
 256   // prepare sync progress thingys... FIXME: Care about removal of networks
 257   numNetsToSync = networkids.count();
 258   numChannelsToSync = 0; //sessionState["IrcChannelCount"].toUInt();
 259   numUsersToSync = 0; // sessionState["IrcUserCount"].toUInt(); qDebug() << numUsersToSync;
 260   emit networksProgress(0, numNetsToSync);
 261   emit channelsProgress(0, numChannelsToSync);
 262   emit ircUsersProgress(0, numUsersToSync);
 263
 264   // create network objects
 265   foreach(QVariant networkid, networkids) {
 266     NetworkId netid = networkid.value<NetworkId>();
 267     Network *net = new Network(netid, Client::instance());
 268     netsToSync.insert(net);
 269     connect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 270     connect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 271     connect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 272     connect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 273     connect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 274     connect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 275     connect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 276     Client::addNetwork(net);
 277   }
 278   checkSyncState();
 279 }
 280
 281 void ClientSyncer::networkInitDone() {
 282   netsToSync.remove(sender());
 283   emit networksProgress(numNetsToSync - netsToSync.count(), numNetsToSync);
 284   checkSyncState();
 285 }
 286
 287 void ClientSyncer::ircChannelInitDone(IrcChannel *chan) {
 288   channelsToSync.remove(chan);
 289   emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 290   checkSyncState();
 291 }
 292
 293 void ClientSyncer::ircChannelAdded(IrcChannel *chan) {
 294   if(!chan->isInitialized()) {
 295     channelsToSync.insert(chan);
 296     numChannelsToSync++;
 297     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 298     checkSyncState();
 299   }
 300 }
 301
 302 void ClientSyncer::ircChannelRemoved(QObject *chan) {
 303   if(channelsToSync.contains(chan)) {
 304     numChannelsToSync--;
 305     channelsToSync.remove(chan);
 306     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 307     checkSyncState();
 308   }
 309 }
 310
 311 void ClientSyncer::ircUserInitDone(IrcUser *user) {
 312   usersToSync.remove(user);
 313   emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 314   checkSyncState();
 315 }
 316
 317 void ClientSyncer::ircUserAdded(IrcUser *user) {
 318   if(!user->isInitialized()) {
 319     usersToSync.insert(user);
 320     numUsersToSync++;
 321     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 322     checkSyncState();
 323   }
 324 }
 325
 326 void ClientSyncer::ircUserRemoved(QObject *user) {
 327   if(usersToSync.contains(user)) {
 328     numUsersToSync--;
 329     usersToSync.remove(user);
 330     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 331     checkSyncState();
 332   }
 333 }
 334
 335 void ClientSyncer::checkSyncState() {
 336   if(usersToSync.count() + channelsToSync.count() + netsToSync.count() == 0) {
 337     // done syncing!
 338     /*
 339     qDebug() << "done";
 340     foreach(Network *net, _networks.values()) {
 341       //disconnect(net, 0, this, SLOT(networkInitDone()));
 342       //disconnect(net, 0, this, SLOT(ircUserInitDone(IrcUser *)));
 343       //disconnect(net, 0, this, SLOT(ircUserAdded(IrcUser *)));
 344       //disconnect(net, 0, this, SLOT(ircUserRemoved(QObject *)));
 345       //disconnect(net, 0, this, SLOT(ircChannelInitDone(IrcChannel *)));
 346       //disconnect(net, 0, this, SLOT(ircChannelAdded(IrcChannel *)));
 347       //disconnect(net, 0, this, SLOT(ircChannelRemoved(QObject *)));
 348       qDebug() << "disconnecting";
 349       disconnect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 350       disconnect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 351       disconnect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 352       disconnect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 353       disconnect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 354       disconnect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 355       disconnect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 356     }
 357     */
 358
 359     Client::instance()->setSyncedToCore();
 360     emit syncFinished();
 361     //emit connected();
 362     //emit connectionStateChanged(true);
 363
 364   }
 365 }
 366
 367 #ifndef QT_NO_OPENSSL
 368 void ClientSyncer::sslErrors(const QList<QSslError> &errors) {
 369   qDebug() << "SSL Errors:";
 370   foreach(QSslError err, errors)
 371     qDebug() << "  " << err;
 372
 373   QSslSocket *socket = qobject_cast<QSslSocket *>(sender());
 374   if(socket)
 375     socket->ignoreSslErrors();
 376 }
 377 #endif