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