-/***************************************************************************
- * Copyright (C) 2005-09 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) version 3. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
- * GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, write to the *
- * Free Software Foundation, Inc., *
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
- ***************************************************************************/
-
-#include "clientsyncer.h"
-
-#ifndef QT_NO_NETWORKPROXY
-# include <QNetworkProxy>
-#endif
-
-#include "client.h"
-#include "identity.h"
-#include "network.h"
-#include "networkmodel.h"
-#include "quassel.h"
-#include "signalproxy.h"
-#include "util.h"
-
-ClientSyncer::ClientSyncer(QObject *parent)
- : QObject(parent),
- _socket(0),
- _blockSize(0)
-{
-}
-
-ClientSyncer::~ClientSyncer() {
-}
-
-void ClientSyncer::coreHasData() {
- QVariant item;
- while(SignalProxy::readDataFromDevice(_socket, _blockSize, item)) {
- emit recvPartialItem(1,1);
- QVariantMap msg = item.toMap();
- if(!msg.contains("MsgType")) {
- // This core is way too old and does not even speak our init protocol...
- emit connectionError(tr("The Quassel Core you try to connect to is too old! Please consider upgrading."));
- disconnectFromCore();
- return;
- }
- if(msg["MsgType"] == "ClientInitAck") {
- clientInitAck(msg);
- } else if(msg["MsgType"] == "ClientInitReject") {
- emit connectionError(msg["Error"].toString());
- disconnectFromCore();
- return;
- } else if(msg["MsgType"] == "CoreSetupAck") {
- emit coreSetupSuccess();
- } else if(msg["MsgType"] == "CoreSetupReject") {
- emit coreSetupFailed(msg["Error"].toString());
- } else if(msg["MsgType"] == "ClientLoginReject") {
- emit loginFailed(msg["Error"].toString());
- } else if(msg["MsgType"] == "ClientLoginAck") {
- // prevent multiple signal connections
- disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
- connect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
- emit loginSuccess();
- } else if(msg["MsgType"] == "SessionInit") {
- sessionStateReceived(msg["SessionState"].toMap());
- break; // this is definitively the last message we process here!
- } else {
- emit connectionError(tr("<b>Invalid data received from core!</b><br>Disconnecting."));
- disconnectFromCore();
- return;
- }
- }
- if(_blockSize > 0) {
- emit recvPartialItem(_socket->bytesAvailable(), _blockSize);
- }
-}
-
-void ClientSyncer::coreSocketError(QAbstractSocket::SocketError) {
- qDebug() << "coreSocketError" << _socket << _socket->errorString();
- emit connectionError(_socket->errorString());
- resetConnection();
-}
-
-void ClientSyncer::disconnectFromCore() {
- resetConnection();
-}
-
-void ClientSyncer::connectToCore(const QVariantMap &conn) {
- resetConnection();
- coreConnectionInfo = conn;
-
- if(conn["Host"].toString().isEmpty()) {
- emit connectionError(tr("No Host to connect to specified."));
- return;
- }
-
- Q_ASSERT(!_socket);
-#ifdef HAVE_SSL
- QSslSocket *sock = new QSslSocket(Client::instance());
-#else
- if(conn["useSsl"].toBool()) {
- emit connectionError(tr("<b>This client is built without SSL Support!</b><br />Disable the usage of SSL in the account settings."));
- return;
- }
- QTcpSocket *sock = new QTcpSocket(Client::instance());
-#endif
-
-#ifndef QT_NO_NETWORKPROXY
- if(conn.contains("useProxy") && conn["useProxy"].toBool()) {
- QNetworkProxy proxy((QNetworkProxy::ProxyType)conn["proxyType"].toInt(), conn["proxyHost"].toString(), conn["proxyPort"].toUInt(), conn["proxyUser"].toString(), conn["proxyPassword"].toString());
- sock->setProxy(proxy);
- }
-#endif
-
- _socket = sock;
- connect(sock, SIGNAL(readyRead()), this, SLOT(coreHasData()));
- connect(sock, SIGNAL(connected()), this, SLOT(coreSocketConnected()));
- connect(sock, SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
- connect(sock, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(coreSocketError(QAbstractSocket::SocketError)));
- connect(sock, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SIGNAL(socketStateChanged(QAbstractSocket::SocketState)));
- sock->connectToHost(conn["Host"].toString(), conn["Port"].toUInt());
-}
-
-void ClientSyncer::coreSocketConnected() {
- //connect(this, SIGNAL(recvPartialItem(uint, uint)), this, SIGNAL(coreConnectionProgress(uint, uint)));
- // Phase One: Send client info and wait for core info
-
- //emit coreConnectionMsg(tr("Synchronizing to core..."));
- QVariantMap clientInit;
- clientInit["MsgType"] = "ClientInit";
- clientInit["ClientVersion"] = Quassel::buildInfo().fancyVersionString;
- clientInit["ClientDate"] = Quassel::buildInfo().buildDate;
- clientInit["ProtocolVersion"] = Quassel::buildInfo().protocolVersion;
- clientInit["UseSsl"] = coreConnectionInfo["useSsl"];
-#ifndef QT_NO_COMPRESS
- clientInit["UseCompression"] = true;
-#else
- clientInit["UseCompression"] = false;
-#endif
-
- SignalProxy::writeDataToDevice(_socket, clientInit);
-}
-
-void ClientSyncer::useInternalCore() {
- AccountId internalAccountId;
-
- CoreAccountSettings accountSettings;
- QList<AccountId> knownAccounts = accountSettings.knownAccounts();
- foreach(AccountId id, knownAccounts) {
- if(!id.isValid())
- continue;
- QVariantMap data = accountSettings.retrieveAccountData(id);
- if(data.contains("InternalAccount") && data["InternalAccount"].toBool()) {
- internalAccountId = id;
- break;
- }
- }
-
- if(!internalAccountId.isValid()) {
- for(AccountId i = 1;; i++) {
- if(!knownAccounts.contains(i)) {
- internalAccountId = i;
- break;
- }
- }
- QVariantMap data;
- data["InternalAccount"] = true;
- accountSettings.storeAccountData(internalAccountId, data);
- }
-
- coreConnectionInfo["AccountId"] = QVariant::fromValue<AccountId>(internalAccountId);
- emit startInternalCore(this);
- emit connectToInternalCore(Client::instance()->signalProxy());
-}
-
-void ClientSyncer::coreSocketDisconnected() {
- emit socketDisconnected();
- resetConnection();
- // FIXME handle disconnects gracefully
-}
-
-void ClientSyncer::clientInitAck(const QVariantMap &msg) {
- // Core has accepted our version info and sent its own. Let's see if we accept it as well...
- uint ver = msg["ProtocolVersion"].toUInt();
- if(ver < Quassel::buildInfo().clientNeedsProtocol) {
- emit connectionError(tr("<b>The Quassel Core you are trying to connect to is too old!</b><br>"
- "Need at least core/client protocol v%1 to connect.").arg(Quassel::buildInfo().clientNeedsProtocol));
- disconnectFromCore();
- return;
- }
- emit connectionMsg(coreInfoString(msg));
-
-#ifndef QT_NO_COMPRESS
- if(msg["SupportsCompression"].toBool()) {
- _socket->setProperty("UseCompression", true);
- }
-#endif
-
- _coreMsgBuffer = msg;
-#ifdef HAVE_SSL
- if(coreConnectionInfo["useSsl"].toBool()) {
- if(msg["SupportSsl"].toBool()) {
- QSslSocket *sslSocket = qobject_cast<QSslSocket *>(_socket);
- Q_ASSERT(sslSocket);
- connect(sslSocket, SIGNAL(encrypted()), this, SLOT(sslSocketEncrypted()));
- connect(sslSocket, SIGNAL(sslErrors(const QList<QSslError> &)), this, SLOT(sslErrors(const QList<QSslError> &)));
-
- sslSocket->startClientEncryption();
- } else {
- 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."));
- disconnectFromCore();
- }
- return;
- }
-#endif
- // if we use SSL we wait for the next step until every SSL warning has been cleared
- connectionReady();
-}
-
-void ClientSyncer::connectionReady() {
- if(!_coreMsgBuffer["Configured"].toBool()) {
- // start wizard
- emit startCoreSetup(_coreMsgBuffer["StorageBackends"].toList());
- } else if(_coreMsgBuffer["LoginEnabled"].toBool()) {
- emit startLogin();
- }
- _coreMsgBuffer.clear();
- resetWarningsHandler();
-}
-
-void ClientSyncer::doCoreSetup(const QVariant &setupData) {
- QVariantMap setup;
- setup["MsgType"] = "CoreSetupData";
- setup["SetupData"] = setupData;
- SignalProxy::writeDataToDevice(_socket, setup);
-}
-
-void ClientSyncer::loginToCore(const QString &user, const QString &passwd) {
- emit connectionMsg(tr("Logging in..."));
- QVariantMap clientLogin;
- clientLogin["MsgType"] = "ClientLogin";
- clientLogin["User"] = user;
- clientLogin["Password"] = passwd;
- SignalProxy::writeDataToDevice(_socket, clientLogin);
-}
-
-void ClientSyncer::internalSessionStateReceived(const QVariant &packedState) {
- QVariantMap state = packedState.toMap();
- emit sessionProgress(1, 1);
- Client::instance()->setConnectedToCore(coreConnectionInfo["AccountId"].value<AccountId>());
- syncToCore(state);
-}
-
-void ClientSyncer::sessionStateReceived(const QVariantMap &state) {
- emit sessionProgress(1, 1);
- disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
-
- // rest of communication happens through SignalProxy...
- disconnect(_socket, 0, this, 0);
- // ... but we still want to be notified about errors...
- connect(_socket, SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
- connect(_socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(coreSocketError(QAbstractSocket::SocketError)));
-
- Client::instance()->setConnectedToCore(coreConnectionInfo["AccountId"].value<AccountId>(), _socket);
- syncToCore(state);
-}
-
-void ClientSyncer::syncToCore(const QVariantMap &sessionState) {
- // create identities
- foreach(QVariant vid, sessionState["Identities"].toList()) {
- Client::instance()->coreIdentityCreated(vid.value<Identity>());
- }
-
- // create buffers
- // FIXME: get rid of this crap
- QVariantList bufferinfos = sessionState["BufferInfos"].toList();
- NetworkModel *networkModel = Client::networkModel();
- Q_ASSERT(networkModel);
- foreach(QVariant vinfo, bufferinfos)
- networkModel->bufferUpdated(vinfo.value<BufferInfo>()); // create BufferItems
-
- QVariantList networkids = sessionState["NetworkIds"].toList();
-
- // prepare sync progress thingys...
- // FIXME: Care about removal of networks
- numNetsToSync = networkids.count();
- emit networksProgress(0, numNetsToSync);
-
- // create network objects
- foreach(QVariant networkid, networkids) {
- NetworkId netid = networkid.value<NetworkId>();
- if(Client::network(netid))
- continue;
- Network *net = new Network(netid, Client::instance());
- netsToSync.insert(net);
- connect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
- Client::addNetwork(net);
- }
- checkSyncState();
-}
-
-void ClientSyncer::networkInitDone() {
- netsToSync.remove(sender());
- emit networksProgress(numNetsToSync - netsToSync.count(), numNetsToSync);
- checkSyncState();
-}
-
-void ClientSyncer::checkSyncState() {
- if(netsToSync.isEmpty()) {
- Client::instance()->setSyncedToCore();
- emit syncFinished();
- }
-}
-
-void ClientSyncer::setWarningsHandler(const char *slot) {
- resetWarningsHandler();
- connect(this, SIGNAL(handleIgnoreWarnings(bool)), this, slot);
-}
-
-void ClientSyncer::resetWarningsHandler() {
- disconnect(this, SIGNAL(handleIgnoreWarnings(bool)), this, 0);
-}
-
-void ClientSyncer::resetConnection() {
- if(_socket) {
- disconnect(_socket, 0, this, 0);
- _socket->deleteLater();
- _socket = 0;
- }
- _blockSize = 0;
-
- coreConnectionInfo.clear();
- _coreMsgBuffer.clear();
-
- netsToSync.clear();
- numNetsToSync = 0;
-}
-
-QString ClientSyncer::coreInfoString(const QVariantMap &coreData) {
- // check if we use a new enough core
- // FIXME: this can go away after v11 protocol bump
- if(!coreData.contains("CoreStartTime"))
- return coreData.value("CoreInfo").toString();
-
- QDateTime startTime = coreData.value("CoreStartTime").toDateTime().toLocalTime();
- int uptime = startTime.secsTo(QDateTime::currentDateTime());
- int updays = uptime / 86400; uptime %= 86400;
- int uphours = uptime / 3600; uptime %= 3600;
- int upmins = uptime / 60; uptime %= 60;
-
- QString reply = tr("<b>Quassel Core Version %1</b><br>"
- "Built: %2<br>"
- "Up %3d%4h%5m (since %6)")
- .arg(coreData.value("CoreVersion").toString())
- .arg(coreData.value("CoreDate").toString())
- .arg(updays).arg(uphours,2,10,QChar('0')).arg(upmins,2,10,QChar('0')).arg(startTime.toString(Qt::TextDate));
-
- return reply;
-}
-
-#ifdef HAVE_SSL
-void ClientSyncer::ignoreSslWarnings(bool permanently) {
- QSslSocket *sock = qobject_cast<QSslSocket *>(_socket);
- if(sock) {
- // ensure that a proper state is displayed and no longer a warning
- emit socketStateChanged(sock->state());
- }
- if(permanently) {
- if(!sock)
- qWarning() << Q_FUNC_INFO << "unable to save cert digest! Socket is either a nullptr or not a QSslSocket";
- else
- KnownHostsSettings().saveKnownHost(sock);
- }
- emit connectionMsg(coreInfoString(_coreMsgBuffer));
- connectionReady();
-}
-
-void ClientSyncer::sslSocketEncrypted() {
- QSslSocket *socket = qobject_cast<QSslSocket *>(sender());
- Q_ASSERT(socket);
-
- // if there were sslErrors we already had extensive error handling
- // no need to check for a digest change again.
- if(!socket->sslErrors().isEmpty())
- return;
-
- QByteArray knownDigest = KnownHostsSettings().knownDigest(socket);
- if(knownDigest == socket->peerCertificate().digest()) {
- connectionReady();
- return;
- }
-
- QStringList warnings;
- if(!knownDigest.isEmpty()) {
- warnings << tr("Cert Digest changed! was: %1").arg(QString(prettyDigest(knownDigest)));
- }
-
- setWarningsHandler(SLOT(ignoreSslWarnings(bool)));
- emit connectionWarnings(warnings);
-}
-
-void ClientSyncer::sslErrors(const QList<QSslError> &errors) {
- QSslSocket *socket = qobject_cast<QSslSocket *>(sender());
- Q_ASSERT(socket);
-
- socket->ignoreSslErrors();
-
- QByteArray knownDigest = KnownHostsSettings().knownDigest(socket);
- if(knownDigest == socket->peerCertificate().digest()) {
- connectionReady();
- return;
- }
-
- QStringList warnings;
-
- foreach(QSslError err, errors)
- warnings << err.errorString();
-
- if(!knownDigest.isEmpty()) {
- warnings << tr("Cert Digest changed! was: %1").arg(QString(prettyDigest(knownDigest)));
- }
-
- setWarningsHandler(SLOT(ignoreSslWarnings(bool)));
- emit connectionWarnings(warnings);
-}
-#endif
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