debug_output++
[quassel.git] / src / core / networkconnection.cpp
index 395f134..79c6c04 100644 (file)
 #include "userinputhandler.h"
 #include "ctcphandler.h"
 
-NetworkConnection::NetworkConnection(Network *network, CoreSession *session, const QVariant &state) : QObject(network),
+NetworkConnection::NetworkConnection(Network *network, CoreSession *session) : QObject(network),
     _connectionState(Network::Disconnected),
     _network(network),
     _coreSession(session),
     _ircServerHandler(new IrcServerHandler(this)),
     _userInputHandler(new UserInputHandler(this)),
     _ctcpHandler(new CtcpHandler(this)),
-    _previousState(state),
     _autoReconnectCount(0)
 {
   _autoReconnectTimer.setSingleShot(true);
+ _previousConnectionAttemptFailed = false;
+ _lastUsedServerlistIndex = 0;
+  // TODO make configurable
+  _whoTimer.setInterval(90 * 1000);
+  _whoTimer.setSingleShot(false);
+
+  QHash<QString, QString> channels = coreSession()->persistentChannels(networkId());
+  foreach(QString chan, channels.keys()) {
+    _channelKeys[chan.toLower()] = channels[chan];
+  }
+
   connect(&_autoReconnectTimer, SIGNAL(timeout()), this, SLOT(doAutoReconnect()));
+  connect(&_whoTimer, SIGNAL(timeout()), this, SLOT(sendWho()));
 
   connect(network, SIGNAL(currentServerSet(const QString &)), this, SLOT(networkInitialized(const QString &)));
   connect(network, SIGNAL(useAutoReconnectSet(bool)), this, SLOT(autoReconnectSettingsChanged()));
   connect(network, SIGNAL(autoReconnectIntervalSet(quint32)), this, SLOT(autoReconnectSettingsChanged()));
   connect(network, SIGNAL(autoReconnectRetriesSet(quint16)), this, SLOT(autoReconnectSettingsChanged()));
 
+#ifndef QT_NO_OPENSSL
+  connect(&socket, SIGNAL(encrypted()), this, SLOT(socketEncrypted()));
+  connect(&socket, SIGNAL(sslErrors(const QList<QSslError> &)), this, SLOT(sslErrors(const QList<QSslError> &)));
+#endif
   connect(&socket, SIGNAL(connected()), this, SLOT(socketConnected()));
+
   connect(&socket, SIGNAL(disconnected()), this, SLOT(socketDisconnected()));
   connect(&socket, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(socketError(QAbstractSocket::SocketError)));
   connect(&socket, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SLOT(socketStateChanged(QAbstractSocket::SocketState)));
   connect(&socket, SIGNAL(readyRead()), this, SLOT(socketHasData()));
 
+  connect(_ircServerHandler, SIGNAL(nickChanged(const QString &, const QString &)),
+         this, SLOT(nickChanged(const QString &, const QString &)));
+
+  network->proxy()->attachSignal(this, SIGNAL(sslErrors(const QVariant &)));
 }
 
 NetworkConnection::~NetworkConnection() {
   if(connectionState() != Network::Disconnected && connectionState() != Network::Reconnecting)
-    disconnectFromIrc();
+    disconnectFromIrc(false); // clean up, but this does not count as requested disconnect!
   delete _ircServerHandler;
   delete _userInputHandler;
   delete _ctcpHandler;
@@ -182,9 +202,20 @@ void NetworkConnection::connectToIrc(bool reconnecting) {
     qWarning() << "Invalid identity configures, ignoring connect request!";
     return;
   }
-  // TODO implement cycling / random servers
-  QString host = serverList[0].toMap()["Host"].toString();
-  quint16 port = serverList[0].toMap()["Port"].toUInt();
+  // use a random server?
+  if(network()->useRandomServer()) {
+    _lastUsedServerlistIndex = qrand() % serverList.size();
+  } else if(_previousConnectionAttemptFailed) {
+    // cycle to next server if previous connection attempt failed
+    displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Connection failed. Cycling to next Server"));
+    if(++_lastUsedServerlistIndex == serverList.size()) {
+      _lastUsedServerlistIndex = 0;
+    }
+  }
+  _previousConnectionAttemptFailed = false;
+
+  QString host = serverList[_lastUsedServerlistIndex].toMap()["Host"].toString();
+  quint16 port = serverList[_lastUsedServerlistIndex].toMap()["Port"].toUInt();
   displayStatusMsg(tr("Connecting to %1:%2...").arg(host).arg(port));
   displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Connecting to %1:%2...").arg(host).arg(port));
   socket.connectToHost(host, port);
@@ -199,20 +230,14 @@ void NetworkConnection::networkInitialized(const QString &currentServer) {
 
   sendPerform();
 
-    // rejoin channels we've been in
-  QStringList chans = _previousState.toStringList();
-  if(chans.count() > 0) {
-    qDebug() << "autojoining" << chans;
-    QVariantList list;
-    list << serverEncode(chans.join(",")); // TODO add channel passwords
-    putCmd("JOIN", list);  // FIXME check for 512 byte limit!
-  }
-  // delete _previousState, we won't need it again
-  _previousState = QVariant();
   // now we are initialized
   setConnectionState(Network::Initialized);
   network()->setConnected(true);
   emit connected(networkId());
+  if(!Global::SPUTDEV) {
+    sendWho();
+    _whoTimer.start();
+  }
 }
 
 void NetworkConnection::sendPerform() {
@@ -225,15 +250,22 @@ void NetworkConnection::sendPerform() {
   foreach(QString line, network()->perform()) {
     if(!line.isEmpty()) userInput(statusBuf, line);
   }
-}
 
-QVariant NetworkConnection::state() const {
-  IrcUser *me = network()->ircUser(network()->myNick());
-  if(!me) return QVariant();  // this shouldn't really happen, I guess
-  return me->channels();
+  // rejoin channels we've been in
+  QStringList channels, keys;
+  foreach(QString chan, persistentChannels()) {
+    QString key = channelKey(chan);
+    if(!key.isEmpty()) {
+      channels.prepend(chan); keys.prepend(key);
+    } else {
+      channels.append(chan);
+    }
+  }
+  QString joinString = QString("%1 %2").arg(channels.join(",")).arg(keys.join(",")).trimmed();
+  if(!joinString.isEmpty()) userInputHandler()->handleJoin(statusBuf, joinString);
 }
 
-void NetworkConnection::disconnectFromIrc() {
+void NetworkConnection::disconnectFromIrc(bool requested) {
   _autoReconnectTimer.stop();
   _autoReconnectCount = 0;
   displayMsg(Message::Server, BufferInfo::StatusBuffer, "", tr("Disconnecting."));
@@ -241,6 +273,10 @@ void NetworkConnection::disconnectFromIrc() {
     setConnectionState(Network::Disconnected);
     socketDisconnected();
   } else socket.disconnectFromHost();
+
+  if(requested) {
+    emit quitRequested(networkId());
+  }
 }
 
 void NetworkConnection::socketHasData() {
@@ -251,6 +287,7 @@ void NetworkConnection::socketHasData() {
 }
 
 void NetworkConnection::socketError(QAbstractSocket::SocketError) {
+  _previousConnectionAttemptFailed = true;
   qDebug() << qPrintable(tr("Could not connect to %1 (%2)").arg(network()->networkName(), socket.errorString()));
   emit connectionError(socket.errorString());
   emit displayMsg(Message::Error, BufferInfo::StatusBuffer, "", tr("Connection failure: %1").arg(socket.errorString()));
@@ -259,9 +296,52 @@ void NetworkConnection::socketError(QAbstractSocket::SocketError) {
     setConnectionState(Network::Disconnected);
     socketDisconnected();
   }
+  // mark last connection attempt as failed
+  
+  //qDebug() << "exiting...";
+  //exit(1);
+}
+
+#ifndef QT_NO_OPENSSL
+
+void NetworkConnection::sslErrors(const QList<QSslError> &errors) {
+  socket.ignoreSslErrors();
+  /* TODO errorhandling
+  QVariantMap errmsg;
+  QVariantList errnums;
+  foreach(QSslError err, errors) errnums << err.error();
+  errmsg["SslErrors"] = errnums;
+  errmsg["SslCert"] = socket.peerCertificate().toPem();
+  errmsg["PeerAddress"] = socket.peerAddress().toString();
+  errmsg["PeerPort"] = socket.peerPort();
+  errmsg["PeerName"] = socket.peerName();
+  emit sslErrors(errmsg);
+  disconnectFromIrc();
+  */
 }
 
+void NetworkConnection::socketEncrypted() {
+  //qDebug() << "encrypted!";
+  socketInitialized();
+}
+
+#endif  // QT_NO_OPENSSL
+
 void NetworkConnection::socketConnected() {
+#ifdef QT_NO_OPENSSL
+  socketInitialized();
+  return;
+#else
+  if(!network()->serverList()[_lastUsedServerlistIndex].toMap()["UseSSL"].toBool()) {
+    socketInitialized();
+    return;
+  }
+  //qDebug() << "starting handshake";
+  socket.startClientEncryption();
+#endif
+}
+
+void NetworkConnection::socketInitialized() {
   //emit connected(networkId());  initialize first!
   Identity *identity = coreSession()->identity(network()->identity());
   if(!identity) {
@@ -269,6 +349,10 @@ void NetworkConnection::socketConnected() {
     disconnectFromIrc();
     return;
   }
+  QString passwd = network()->serverList()[_lastUsedServerlistIndex].toMap()["Password"].toString();
+  if(!passwd.isEmpty()) {
+    putRawLine(serverEncode(QString("PASS %1").arg(passwd)));
+  }
   putRawLine(serverEncode(QString("NICK :%1").arg(identity->nicks()[0])));  // FIXME: try more nicks if error occurs
   putRawLine(serverEncode(QString("USER %1 8 * :%2").arg(identity->ident(), identity->realName())));
 }
@@ -296,10 +380,10 @@ void NetworkConnection::socketStateChanged(QAbstractSocket::SocketState socketSt
 }
 
 void NetworkConnection::socketDisconnected() {
+  _whoTimer.stop();
   network()->setConnected(false);
   emit disconnected(networkId());
-  if(_autoReconnectCount == 0) emit quitRequested(networkId());
-  else {
+  if(_autoReconnectCount != 0) {
     setConnectionState(Network::Reconnecting);
     if(_autoReconnectCount == network()->autoReconnectRetries()) doAutoReconnect(); // first try is immediate
     else _autoReconnectTimer.start();
@@ -323,6 +407,7 @@ void NetworkConnection::userInput(BufferInfo buf, QString msg) {
 void NetworkConnection::putRawLine(QByteArray s) {
   s += "\r\n";
   socket.write(s);
+  if(Global::SPUTDEV) qDebug() << "SENT:" << s;
 }
 
 void NetworkConnection::putCmd(const QString &cmd, const QVariantList &params, const QByteArray &prefix) {
@@ -340,6 +425,37 @@ void NetworkConnection::putCmd(const QString &cmd, const QVariantList &params, c
   putRawLine(msg);
 }
 
+void NetworkConnection::sendWho() {
+  foreach(QString chan, network()->channels()) {
+    putRawLine("WHO " + serverEncode(chan));
+  }
+}
+
+void NetworkConnection::setChannelJoined(const QString &channel) {
+  emit channelJoined(networkId(), channel, _channelKeys[channel.toLower()]);
+}
+
+void NetworkConnection::setChannelParted(const QString &channel) {
+  removeChannelKey(channel);
+  emit channelParted(networkId(), channel);
+}
+
+void NetworkConnection::addChannelKey(const QString &channel, const QString &key) {
+  if(key.isEmpty()) {
+    removeChannelKey(channel);
+  } else {
+    _channelKeys[channel.toLower()] = key;
+  }
+}
+
+void NetworkConnection::removeChannelKey(const QString &channel) {
+  _channelKeys.remove(channel.toLower());
+}
+
+void NetworkConnection::nickChanged(const QString &newNick, const QString &oldNick) {
+  emit nickChanged(networkId(), newNick, oldNick);
+}
+
 /* Exception classes for message handling */
 NetworkConnection::ParseError::ParseError(QString cmd, QString prefix, QStringList params) {
   Q_UNUSED(prefix);
@@ -350,3 +466,4 @@ NetworkConnection::UnknownCmdError::UnknownCmdError(QString cmd, QString prefix,
   Q_UNUSED(prefix);
   _msg = QString("Unknown Command: ") + cmd + params.join(" ");
 }
+