219 lines
8.2 KiB
C++
219 lines
8.2 KiB
C++
/* This file is part of Clementine.
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Copyright 2012, Andreas Muttscheller <asfa194@gmail.com>
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Clementine is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Clementine is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "networkremote.h"
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#include "core/logging.h"
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#include "covers/currentartloader.h"
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#include "networkremote/zeroconf.h"
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#include "playlist/playlistmanager.h"
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#include <QDataStream>
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#include <QSettings>
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#include <QHostInfo>
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#include <QNetworkProxy>
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const char* NetworkRemote::kSettingsGroup = "NetworkRemote";
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const quint16 NetworkRemote::kDefaultServerPort = 5500;
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const char* NetworkRemote::kTranscoderSettingPostfix = "/NetworkRemote";
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NetworkRemote::NetworkRemote(Application* app, QObject* parent)
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: QObject(parent), signals_connected_(false), app_(app) {}
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NetworkRemote::~NetworkRemote() { StopServer(); }
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void NetworkRemote::ReadSettings() {
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QSettings s;
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s.beginGroup(NetworkRemote::kSettingsGroup);
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use_remote_ = s.value("use_remote", false).toBool();
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port_ = s.value("port", kDefaultServerPort).toInt();
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// Use only non public ips must be true be default
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only_non_public_ip_ = s.value("only_non_public_ip", true).toBool();
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s.endGroup();
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}
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void NetworkRemote::SetupServer() {
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server_.reset(new QTcpServer());
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server_ipv6_.reset(new QTcpServer());
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incoming_data_parser_.reset(new IncomingDataParser(app_));
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outgoing_data_creator_.reset(new OutgoingDataCreator(app_));
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outgoing_data_creator_->SetClients(&clients_);
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connect(app_->current_art_loader(),
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SIGNAL(ArtLoaded(const Song&, const QString&, const QImage&)),
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outgoing_data_creator_.get(),
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SLOT(CurrentSongChanged(const Song&, const QString&, const QImage&)));
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// Only connect the signals once
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connect(server_.get(), SIGNAL(newConnection()), this,
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SLOT(AcceptConnection()));
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connect(server_ipv6_.get(), SIGNAL(newConnection()), this,
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SLOT(AcceptConnection()));
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}
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void NetworkRemote::StartServer() {
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if (!app_) {
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qLog(Error) << "Start Server called without having an application!";
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return;
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}
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// Check if user desires to start a network remote server
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ReadSettings();
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if (!use_remote_) {
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qLog(Info) << "Network Remote deactivated";
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return;
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}
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qLog(Info) << "Starting network remote";
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server_->setProxy(QNetworkProxy::NoProxy);
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server_ipv6_->setProxy(QNetworkProxy::NoProxy);
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server_->listen(QHostAddress::Any, port_);
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server_ipv6_->listen(QHostAddress::AnyIPv6, port_);
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qLog(Info) << "Listening on port " << port_;
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if (Zeroconf::GetZeroconf()) {
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QString name = QString("Clementine on %1").arg(QHostInfo::localHostName());
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Zeroconf::GetZeroconf()->Publish("local", "_clementine._tcp", name, port_);
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}
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}
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void NetworkRemote::StopServer() {
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if (server_->isListening()) {
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outgoing_data_creator_.get()->DisconnectAllClients();
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server_->close();
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server_ipv6_->close();
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qDeleteAll(clients_);
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clients_.clear();
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}
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}
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void NetworkRemote::ReloadSettings() {
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StopServer();
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StartServer();
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}
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void NetworkRemote::AcceptConnection() {
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if (!signals_connected_) {
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signals_connected_ = true;
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// Setting up the signals, but only once
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connect(incoming_data_parser_.get(), SIGNAL(SendClementineInfo()),
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outgoing_data_creator_.get(), SLOT(SendClementineInfo()));
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connect(incoming_data_parser_.get(), SIGNAL(SendFirstData(bool)),
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outgoing_data_creator_.get(), SLOT(SendFirstData(bool)));
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connect(incoming_data_parser_.get(), SIGNAL(SendAllPlaylists()),
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outgoing_data_creator_.get(), SLOT(SendAllPlaylists()));
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connect(incoming_data_parser_.get(), SIGNAL(SendAllActivePlaylists()),
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outgoing_data_creator_.get(), SLOT(SendAllActivePlaylists()));
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connect(incoming_data_parser_.get(), SIGNAL(SendPlaylistSongs(int)),
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outgoing_data_creator_.get(), SLOT(SendPlaylistSongs(int)));
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connect(app_->playlist_manager(), SIGNAL(ActiveChanged(Playlist*)),
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outgoing_data_creator_.get(), SLOT(ActiveChanged(Playlist*)));
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connect(app_->playlist_manager(), SIGNAL(PlaylistChanged(Playlist*)),
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outgoing_data_creator_.get(), SLOT(PlaylistChanged(Playlist*)));
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connect(app_->playlist_manager(), SIGNAL(PlaylistAdded(int, QString, bool)),
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outgoing_data_creator_.get(),
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SLOT(PlaylistAdded(int, QString, bool)));
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connect(app_->playlist_manager(), SIGNAL(PlaylistRenamed(int, QString)),
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outgoing_data_creator_.get(), SLOT(PlaylistRenamed(int, QString)));
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connect(app_->playlist_manager(), SIGNAL(PlaylistClosed(int)),
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outgoing_data_creator_.get(), SLOT(PlaylistClosed(int)));
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connect(app_->playlist_manager(), SIGNAL(PlaylistDeleted(int)),
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outgoing_data_creator_.get(), SLOT(PlaylistDeleted(int)));
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connect(app_->player(), SIGNAL(VolumeChanged(int)),
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outgoing_data_creator_.get(), SLOT(VolumeChanged(int)));
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connect(app_->player()->engine(), SIGNAL(StateChanged(Engine::State)),
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outgoing_data_creator_.get(), SLOT(StateChanged(Engine::State)));
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connect(app_->playlist_manager()->sequence(),
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SIGNAL(RepeatModeChanged(PlaylistSequence::RepeatMode)),
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outgoing_data_creator_.get(),
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SLOT(SendRepeatMode(PlaylistSequence::RepeatMode)));
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connect(app_->playlist_manager()->sequence(),
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SIGNAL(ShuffleModeChanged(PlaylistSequence::ShuffleMode)),
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outgoing_data_creator_.get(),
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SLOT(SendShuffleMode(PlaylistSequence::ShuffleMode)));
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connect(incoming_data_parser_.get(), SIGNAL(GetLyrics()),
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outgoing_data_creator_.get(), SLOT(GetLyrics()));
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connect(incoming_data_parser_.get(), SIGNAL(SendLibrary(RemoteClient*)),
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outgoing_data_creator_.get(), SLOT(SendLibrary(RemoteClient*)));
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connect(incoming_data_parser_.get(),
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SIGNAL(DoGlobalSearch(QString, RemoteClient*)),
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outgoing_data_creator_.get(),
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SLOT(DoGlobalSearch(QString, RemoteClient*)));
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}
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QTcpServer* server = qobject_cast<QTcpServer*>(sender());
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QTcpSocket* client_socket = server->nextPendingConnection();
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// Check if our ip is in private scope
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if (only_non_public_ip_ && !IpIsPrivate(client_socket->peerAddress())) {
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qLog(Info) << "Got a connection from public ip"
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<< client_socket->peerAddress().toString();
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client_socket->close();
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} else {
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CreateRemoteClient(client_socket);
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}
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}
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bool NetworkRemote::IpIsPrivate(const QHostAddress& address) {
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return
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// Localhost v4
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address.isInSubnet(QHostAddress::parseSubnet("127.0.0.0/8")) ||
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// Link Local v4
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address.isInSubnet(QHostAddress::parseSubnet("169.254.1.0/16")) ||
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// Link Local v6
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address.isInSubnet(QHostAddress::parseSubnet("::1/128")) ||
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address.isInSubnet(QHostAddress::parseSubnet("fe80::/10")) ||
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// Private v4 range
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address.isInSubnet(QHostAddress::parseSubnet("192.168.0.0/16")) ||
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address.isInSubnet(QHostAddress::parseSubnet("172.16.0.0/12")) ||
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address.isInSubnet(QHostAddress::parseSubnet("10.0.0.0/8")) ||
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// Private v6 range
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address.isInSubnet(QHostAddress::parseSubnet("fc00::/7"));
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}
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void NetworkRemote::CreateRemoteClient(QTcpSocket* client_socket) {
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if (client_socket) {
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// Add the client to the list
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RemoteClient* client = new RemoteClient(app_, client_socket);
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clients_.push_back(client);
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// Connect the signal to parse data
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connect(client, SIGNAL(Parse(pb::remote::Message)),
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incoming_data_parser_.get(), SLOT(Parse(pb::remote::Message)));
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}
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}
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void NetworkRemote::EnableKittens(bool aww) {
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if (outgoing_data_creator_.get()) outgoing_data_creator_->EnableKittens(aww);
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}
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void NetworkRemote::SendKitten(quint64 id, const QImage& kitten) {
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if (outgoing_data_creator_.get()) outgoing_data_creator_->SendKitten(kitten);
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}
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