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 #ifndef QT_NO_COMPRESS
 164   clientInit["UseCompression"] = true;
 165 #else
 166   clientInit["UseCompression"] = false;
 167 #endif
 168
 169
 170   SignalProxy::writeDataToDevice(socket, clientInit);
 171 }
 172
 173 void ClientSyncer::coreSocketDisconnected() {
 174   emit socketDisconnected();
 175   Client::instance()->disconnectFromCore();
 176
 177   // FIXME handle disconnects gracefully in here as well!
 178
 179   coreConnectionInfo.clear();
 180   netsToSync.clear();
 181   channelsToSync.clear();
 182   usersToSync.clear();
 183   blockSize = 0;
 184   //restartPhaseNull();
 185 }
 186
 187 void ClientSyncer::clientInitAck(const QVariantMap &msg) {
 188   // Core has accepted our version info and sent its own. Let's see if we accept it as well...
 189   if(msg["CoreBuild"].toUInt() < Global::coreBuildNeeded) {
 190     emit connectionError(tr("<b>The Quassel Core you are trying to connect to is too old!</b><br>"
 191         "Need at least a Core Version %1 (Build >= %2) to connect.").arg(Global::quasselVersion).arg(Global::coreBuildNeeded));
 192     disconnectFromCore();
 193     return;
 194   }
 195   emit connectionMsg(msg["CoreInfo"].toString());
 196
 197 #ifndef QT_NO_OPENSSL
 198   if(coreConnectionInfo["useSsl"].toBool()) {
 199     if(msg["SupportSsl"].toBool()) {
 200       QSslSocket *sslSocket = qobject_cast<QSslSocket *>(socket);
 201       Q_ASSERT(sslSocket);
 202       connect(sslSocket, SIGNAL(sslErrors(const QList<QSslError> &)), this, SLOT(sslErrors(const QList<QSslError> &)));
 203       sslSocket->startClientEncryption();
 204       emit encrypted(true);
 205       Client::instance()->setSecuredConnection();
 206     } else {
 207       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."));
 208       emit encrypted(false);
 209       disconnectFromCore();
 210       return;
 211     }
 212   }
 213 #endif
 214
 215 #ifndef QT_NO_COMPRESS
 216   if(msg["SupportsCompression"].toBool()) {
 217     socket->setProperty("UseCompression", true);
 218   }
 219 #endif
 220
 221   if(!msg["Configured"].toBool()) {
 222     // start wizard
 223     emit startCoreSetup(msg["StorageBackends"].toList());
 224   } else if(msg["LoginEnabled"].toBool()) {
 225     emit startLogin();
 226   }
 227 }
 228
 229 void ClientSyncer::doCoreSetup(const QVariant &setupData) {
 230   QVariantMap setup;
 231   setup["MsgType"] = "CoreSetupData";
 232   setup["SetupData"] = setupData;
 233   SignalProxy::writeDataToDevice(socket, setup);
 234 }
 235
 236 void ClientSyncer::loginToCore(const QString &user, const QString &passwd) {
 237   emit connectionMsg(tr("Logging in..."));
 238   QVariantMap clientLogin;
 239   clientLogin["MsgType"] = "ClientLogin";
 240   clientLogin["User"] = user;
 241   clientLogin["Password"] = passwd;
 242   SignalProxy::writeDataToDevice(socket, clientLogin);
 243 }
 244
 245 void ClientSyncer::sessionStateReceived(const QVariantMap &state) {
 246   emit sessionProgress(1, 1);
 247   disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
 248   disconnect(socket, 0, this, 0);  // rest of communication happens through SignalProxy
 249   //Client::signalProxy()->addPeer(socket);
 250   Client::instance()->setConnectedToCore(socket, coreConnectionInfo["AccountId"].value<AccountId>());
 251   syncToCore(state);
 252 }
 253
 254 void ClientSyncer::syncToCore(const QVariantMap &sessionState) {
 255
 256   // create identities
 257   foreach(QVariant vid, sessionState["Identities"].toList()) {
 258     Client::instance()->coreIdentityCreated(vid.value<Identity>());
 259   }
 260
 261   // create buffers
 262   // FIXME: get rid of this crap
 263   QVariantList bufferinfos = sessionState["BufferInfos"].toList();
 264   foreach(QVariant vinfo, bufferinfos) Client::buffer(vinfo.value<BufferInfo>());  // create Buffers and BufferItems
 265
 266   QVariantList networkids = sessionState["NetworkIds"].toList();
 267
 268   // prepare sync progress thingys... FIXME: Care about removal of networks
 269   numNetsToSync = networkids.count();
 270   numChannelsToSync = 0; //sessionState["IrcChannelCount"].toUInt();
 271   numUsersToSync = 0; // sessionState["IrcUserCount"].toUInt(); qDebug() << numUsersToSync;
 272   emit networksProgress(0, numNetsToSync);
 273   emit channelsProgress(0, numChannelsToSync);
 274   emit ircUsersProgress(0, numUsersToSync);
 275
 276   // create network objects
 277   foreach(QVariant networkid, networkids) {
 278     NetworkId netid = networkid.value<NetworkId>();
 279     Network *net = new Network(netid, Client::instance());
 280     netsToSync.insert(net);
 281     connect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 282     connect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 283     connect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 284     connect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 285     connect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 286     connect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 287     connect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 288     Client::addNetwork(net);
 289   }
 290   checkSyncState();
 291 }
 292
 293 void ClientSyncer::networkInitDone() {
 294   netsToSync.remove(sender());
 295   emit networksProgress(numNetsToSync - netsToSync.count(), numNetsToSync);
 296   checkSyncState();
 297 }
 298
 299 void ClientSyncer::ircChannelInitDone(IrcChannel *chan) {
 300   channelsToSync.remove(chan);
 301   emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 302   checkSyncState();
 303 }
 304
 305 void ClientSyncer::ircChannelAdded(IrcChannel *chan) {
 306   if(!chan->isInitialized()) {
 307     channelsToSync.insert(chan);
 308     numChannelsToSync++;
 309     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 310     checkSyncState();
 311   }
 312 }
 313
 314 void ClientSyncer::ircChannelRemoved(QObject *chan) {
 315   if(channelsToSync.contains(chan)) {
 316     numChannelsToSync--;
 317     channelsToSync.remove(chan);
 318     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 319     checkSyncState();
 320   }
 321 }
 322
 323 void ClientSyncer::ircUserInitDone(IrcUser *user) {
 324   usersToSync.remove(user);
 325   emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 326   checkSyncState();
 327 }
 328
 329 void ClientSyncer::ircUserAdded(IrcUser *user) {
 330   if(!user->isInitialized()) {
 331     usersToSync.insert(user);
 332     numUsersToSync++;
 333     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 334     checkSyncState();
 335   }
 336 }
 337
 338 void ClientSyncer::ircUserRemoved(QObject *user) {
 339   if(usersToSync.contains(user)) {
 340     numUsersToSync--;
 341     usersToSync.remove(user);
 342     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 343     checkSyncState();
 344   }
 345 }
 346
 347 void ClientSyncer::checkSyncState() {
 348   if(usersToSync.count() + channelsToSync.count() + netsToSync.count() == 0) {
 349     // done syncing!
 350     /*
 351     qDebug() << "done";
 352     foreach(Network *net, _networks.values()) {
 353       //disconnect(net, 0, this, SLOT(networkInitDone()));
 354       //disconnect(net, 0, this, SLOT(ircUserInitDone(IrcUser *)));
 355       //disconnect(net, 0, this, SLOT(ircUserAdded(IrcUser *)));
 356       //disconnect(net, 0, this, SLOT(ircUserRemoved(QObject *)));
 357       //disconnect(net, 0, this, SLOT(ircChannelInitDone(IrcChannel *)));
 358       //disconnect(net, 0, this, SLOT(ircChannelAdded(IrcChannel *)));
 359       //disconnect(net, 0, this, SLOT(ircChannelRemoved(QObject *)));
 360       qDebug() << "disconnecting";
 361       disconnect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 362       disconnect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 363       disconnect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 364       disconnect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 365       disconnect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 366       disconnect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 367       disconnect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 368     }
 369     */
 370
 371     Client::instance()->setSyncedToCore();
 372     emit syncFinished();
 373     //emit connected();
 374     //emit connectionStateChanged(true);
 375
 376   }
 377 }
 378
 379 #ifndef QT_NO_OPENSSL
 380 void ClientSyncer::sslErrors(const QList<QSslError> &errors) {
 381   qDebug() << "SSL Errors:";
 382   foreach(QSslError err, errors)
 383     qDebug() << "  " << err;
 384
 385   QSslSocket *socket = qobject_cast<QSslSocket *>(sender());
 386   if(socket)
 387     socket->ignoreSslErrors();
 388 }
 389 #endif