mirror of
https://github.com/clementine-player/Clementine
synced 2024-12-16 03:09:57 +01:00
530 lines
16 KiB
C++
530 lines
16 KiB
C++
/* This file is part of the XMPP Remote Media Extension.
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Copyright 2010, David Sansome <me@davidsansome.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "common.h"
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#include "connection.h"
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#include "extensions.h"
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#include "mediaplayerhandler.h"
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#include "remotecontrolhandler.h"
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#include <QSocketNotifier>
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#include <QTimer>
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#include <QtDebug>
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#include <gloox/client.h>
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#include <gloox/connectionlistener.h>
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#include <gloox/connectiontcpclient.h>
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#include <gloox/disco.h>
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#include <gloox/discohandler.h>
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#include <gloox/loghandler.h>
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#include <gloox/rosterlistener.h>
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#include <gloox/rostermanager.h>
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namespace xrme {
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struct Connection::Private : public gloox::ConnectionListener,
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public gloox::LogHandler,
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public gloox::RosterListener,
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public gloox::DiscoHandler {
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Private(Connection* parent)
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: parent_(parent),
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server_(kDefaultServer),
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jid_resource_(kDefaultJIDResource),
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jid_host_(kDefaultJIDHost),
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verbose_(false),
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media_player_(NULL),
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remote_control_(NULL),
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spontaneous_disconnect_(true),
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media_player_extension_(NULL),
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remote_control_extension_(NULL) {}
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static const char* kDefaultServer;
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static const char* kDefaultJIDResource;
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static const char* kDefaultJIDHost;
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Connection* parent_;
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// Stuff the user sets before Connect()
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QString username_;
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QString password_;
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QString agent_name_;
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QString server_;
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QString jid_resource_;
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QString jid_host_;
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bool verbose_;
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// Interfaces
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MediaPlayerInterface* media_player_;
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RemoteControlInterface* remote_control_;
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QList<Handler*> handlers_;
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// Stuff that is valid when we're connected.
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QScopedPointer<gloox::Client> client_;
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QScopedPointer<QSocketNotifier> socket_notifier_;
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MediaPlayerExtension* media_player_extension_;
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RemoteControlExtension* remote_control_extension_;
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// After discovering a peer we query it to find its capabilities. Only after
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// it replies to the query do we put it in peers_ and emit PeerFound().
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QList<Peer> peers_;
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QList<Peer> querying_peers_;
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bool has_peer(const QString& jid_resource) const;
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// We can't destroy the client_ in the onDisconnect() handler, so we have to
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// do it with a QTimer if we get a spontaneous disconnect.
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bool spontaneous_disconnect_;
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// gloox::MessageHandler
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void handleMessage(gloox::Stanza* stanza, gloox::MessageSession* session = 0);
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// gloox::ConnectionListener
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void onConnect();
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void onDisconnect(gloox::ConnectionError e);
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bool onTLSConnect(const gloox::CertInfo& info);
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// gloox::LogHandler
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void handleLog(gloox::LogLevel level, gloox::LogArea area,
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const std::string& message);
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// gloox::IqHandler
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bool handleIq(const gloox::IQ& stanza);
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void handleIqID(const gloox::IQ& stanza, int context);
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// gloox::RosterListener
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void handleItemAdded(const gloox::JID&) {}
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void handleItemSubscribed(const gloox::JID&) {}
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void handleItemRemoved(const gloox::JID&) {}
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void handleItemUpdated(const gloox::JID&) {}
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void handleItemUnsubscribed(const gloox::JID&) {}
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void handleRoster(const gloox::Roster&) {}
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void handleRosterPresence(const gloox::RosterItem& item, const std::string& resource, gloox::Presence::PresenceType presence, const std::string& msg);
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void handleSelfPresence(const gloox::RosterItem&, const std::string&, gloox::Presence::PresenceType, const std::string&);
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bool handleSubscriptionRequest(const gloox::JID&, const std::string&) { return false; }
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bool handleUnsubscriptionRequest(const gloox::JID&, const std::string&) { return false; }
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void handleNonrosterPresence(const gloox::Presence&) {}
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void handleRosterError(const gloox::IQ&) {}
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// gloox::DiscoHandler
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void handleDiscoInfo(const gloox::JID&, const gloox::Disco::Info&, int);
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void handleDiscoItems(const gloox::JID&, const gloox::Disco::Items&, int);
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void handleDiscoError(const gloox::JID&, const gloox::Error*, int);
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};
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const char* Connection::Private::kDefaultServer = "talk.google.com";
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const char* Connection::Private::kDefaultJIDResource = "xrmeagent";
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const char* Connection::Private::kDefaultJIDHost = "gmail.com";
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Connection::Connection(QObject* parent)
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: QObject(parent),
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d(new Private(this)) {
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}
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Connection::~Connection() {
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qDeleteAll(d->handlers_);
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}
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void Connection::set_username(const QString& username) { d->username_ = username; }
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void Connection::set_password(const QString& password) { d->password_ = password; }
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void Connection::set_agent_name(const QString& agent_name) { d->agent_name_ = agent_name; }
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void Connection::set_server(const QString& server) { d->server_ = server; }
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void Connection::set_jid_resource(const QString& resource) { d->jid_resource_ = resource; }
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void Connection::set_jid_host(const QString& host) { d->jid_host_ = host; }
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void Connection::set_verbose(bool verbose) { d->verbose_ = verbose; }
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QString Connection::username() const { return d->username_; }
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QString Connection::password() const { return d->password_; }
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QString Connection::agent_name() const { return d->agent_name_; }
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QString Connection::server() const { return d->server_; }
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QString Connection::jid_resource() const { return d->jid_resource_; }
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QString Connection::jid_host() const { return d->jid_host_; }
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bool Connection::is_verbose() const { return d->verbose_; }
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void Connection::SetMediaPlayer(MediaPlayerInterface* iface) {
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if (d->media_player_) {
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qWarning() << "Connection::SetMediaPlayer: this connection already has a"
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" MediaPlayerInterface set";
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return;
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}
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if (!iface) {
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qWarning() << "Connection::SetMediaPlayer called with NULL interface";
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return;
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}
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d->media_player_ = iface;
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d->handlers_ << new MediaPlayerHandler(iface);
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}
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void Connection::SetRemoteControl(RemoteControlInterface* iface) {
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if (d->media_player_) {
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qWarning() << "Connection::RemoteControlInterface: this connection already"
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" has a RemoteControlInterface set";
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return;
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}
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if (!iface) {
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qWarning() << "Connection::SetRemoteControl called with NULL interface";
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return;
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}
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d->remote_control_ = iface;
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d->handlers_ << new RemoteControlHandler(iface);
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}
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bool Connection::is_connected() const {
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return (d->client_ && d->client_->state() == gloox::StateConnected);
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}
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QString Connection::jid() const {
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if (is_connected()) {
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return QString::fromUtf8(d->client_->jid().full().c_str());
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}
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return QString();
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}
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Connection::PeerList Connection::peers() const {
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if (is_connected()) {
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return d->peers_;
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}
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return PeerList();
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}
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Connection::PeerList Connection::peers(Peer::Capability cap) const {
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PeerList ret;
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foreach (const Peer& peer, peers()) {
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if (peer.caps_ & cap) {
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ret << peer;
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}
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}
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return ret;
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}
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bool Connection::Connect() {
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if (d->username_.isEmpty() || d->password_.isEmpty() || d->agent_name_.isEmpty()) {
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qWarning() << __PRETTY_FUNCTION__
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<< ": A required field (username/password/agent_name) was empty";
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return false;
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}
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// Construct the JID - append the default host if the user didn't provide one
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QString jid = d->username_;
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if (!jid.contains('@')) {
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jid.append("@" + d->jid_host_);
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}
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jid.append("/" + d->jid_resource_);
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// Create a new connection
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d->client_.reset(new gloox::Client(gloox::JID(jid.toUtf8().constData()),
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d->password_.toUtf8().constData()));
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gloox::ConnectionTCPClient* connection = new gloox::ConnectionTCPClient(
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d->client_.data(), d->client_->logInstance(),
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d->server_.toUtf8().constData());
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d->client_->setConnectionImpl(connection);
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// Add listeners
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d->client_->registerConnectionListener(d.data());
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d->client_->rosterManager()->registerRosterListener(d.data());
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d->client_->logInstance().registerLogHandler(
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gloox::LogLevelDebug, gloox::LogAreaAll, d.data());
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// Setup disco
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d->client_->disco()->setIdentity("client", "bot");
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d->client_->disco()->setVersion(d->agent_name_.toUtf8().constData(), std::string());
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d->client_->disco()->addFeature(kXmlnsXrme);
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d->media_player_extension_ = new MediaPlayerExtension;
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d->remote_control_extension_ = new RemoteControlExtension;
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d->client_->registerStanzaExtension(d->media_player_extension_);
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d->client_->registerStanzaExtension(d->remote_control_extension_);
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// Initialise the handlers
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foreach (Handler* handler, d->handlers_) {
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handler->Init(this, d->client_.data());
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}
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// Set presence
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d->client_->setPresence(gloox::Presence::Available, -128);
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d->client_->setSASLMechanisms(gloox::SaslMechGoogleToken);
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// Connect
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if (!d->client_->connect(false)) {
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d->client_.reset();
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foreach (Handler* handler, d->handlers_) {
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handler->Reset();
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}
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return false;
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}
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// Listen on the connection's socket
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d->socket_notifier_.reset(new QSocketNotifier(
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connection->socket(), QSocketNotifier::Read));
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connect(d->socket_notifier_.data(), SIGNAL(activated(int)),
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SLOT(SocketReadyReceive()));
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return true;
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}
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void Connection::Disconnect() {
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if (is_connected()) {
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d->spontaneous_disconnect_ = false;
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d->client_->disconnect();
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d->client_.reset();
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d->spontaneous_disconnect_ = true;
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}
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}
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void Connection::SocketReadyReceive() {
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d->client_->recv();
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}
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void Connection::Private::onConnect() {
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parent_->RefreshPeers();
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emit parent_->Connected();
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}
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void Connection::Private::onDisconnect(gloox::ConnectionError e) {
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QString error_text;
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switch (e) {
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case gloox::ConnNoError:
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case gloox::ConnUserDisconnected:
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break;
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case gloox::ConnStreamError:
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error_text = QString::fromUtf8(client_->streamErrorText().c_str());
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break;
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case gloox::ConnAuthenticationFailed:
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error_text = QString("Authentication error (%1)").arg(client_->authError());
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break;
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default:
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error_text = QString("Unknown error (%1)").arg(e);
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break;
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}
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foreach (Handler* handler, handlers_) {
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handler->Reset();
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}
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socket_notifier_->setEnabled(false);
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socket_notifier_.reset();
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peers_.clear();
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querying_peers_.clear();
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emit parent_->Disconnected(error_text);
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if (spontaneous_disconnect_) {
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QTimer::singleShot(0, parent_, SLOT(CleanupClient()));
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}
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}
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void Connection::CleanupClient() {
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d->client_.reset();
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}
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bool Connection::Private::onTLSConnect(const gloox::CertInfo& info) {
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return true;
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}
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void Connection::Private::handleLog(gloox::LogLevel level, gloox::LogArea area,
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const std::string& message) {
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if (!verbose_) {
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return;
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}
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QString prefix = "---";
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if (area == gloox::LogAreaXmlIncoming) {
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prefix = "<<<";
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} else if (area == gloox::LogAreaXmlOutgoing) {
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prefix = ">>>";
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}
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qDebug() << "XMPP" << prefix.toAscii().constData() << message.c_str();
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}
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void Connection::RefreshPeers() {
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// Clear the lists
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d->peers_.clear();
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d->querying_peers_.clear();
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// Query presence
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qDebug() << "Sending presence query";
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gloox::Presence presence(
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gloox::Presence::Available, d->client_->jid().bareJID());
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d->client_->send(presence);
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}
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Connection::Peer::Peer()
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: caps_(0) {
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}
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void Connection::Private::handleSelfPresence(
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const gloox::RosterItem& item,
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const std::string& res,
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gloox::Presence::PresenceType presence,
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const std::string&) {
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QString resource = QString::fromUtf8(res.c_str());
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switch (presence) {
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case gloox::Presence::Error:
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case gloox::Presence::Invalid:
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case gloox::Presence::Unavailable:
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// The peer went offline - did we know about him?
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qDebug() << "Peer unavailable" << resource;
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for (int i=0 ; i<querying_peers_.count() ; ++i) {
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if (querying_peers_[i].jid_resource_ == resource) {
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querying_peers_.takeAt(i);
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break;
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}
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}
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for (int i=0 ; i<peers_.count() ; ++i) {
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if (peers_[i].jid_resource_ == resource) {
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emit parent_->PeerRemoved(peers_.takeAt(i));
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break;
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}
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}
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break;
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default:
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// The peer came online
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if (!has_peer(resource)) {
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qDebug() << "Got presence from" << resource;
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// This is a peer on our own bare JID, and we haven't seen it before
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gloox::JID full_jid(item.jid());
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full_jid.setResource(res);
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Peer peer;
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peer.jid_resource_ = resource;
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querying_peers_ << peer;
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client_->disco()->getDiscoInfo(full_jid, std::string(), this, 0);
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}
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}
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}
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void Connection::Private::handleRosterPresence(
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const gloox::RosterItem& item, const std::string& res,
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gloox::Presence::PresenceType presence, const std::string& message) {
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// Forward incorrect calls of this with our JID.
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if (item.jid() == client_->jid().bare()) {
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handleSelfPresence(item, res, presence, message);
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}
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// Ignore presence from anyone else
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}
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bool Connection::Private::has_peer(const QString& jid_resource) const {
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foreach (const Peer& peer, peers_) {
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if (peer.jid_resource_ == jid_resource) {
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return true;
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}
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}
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foreach (const Peer& peer, querying_peers_) {
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if (peer.jid_resource_ == jid_resource) {
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return true;
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}
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}
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}
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void Connection::Private::handleDiscoInfo(
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const gloox::JID& from, const gloox::Disco::Info& info, int context) {
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// Is this from our own bare JID?
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if (from.bareJID() != client_->jid().bareJID()) {
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return;
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}
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QString resource = QString::fromUtf8(from.resource().c_str());
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qDebug() << "Got disco info from" << resource;
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// Are we currently querying this peer?
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int querying_peer_index = -1;
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for (int i=0 ; i<querying_peers_.count() ; ++i) {
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if (querying_peers_[i].jid_resource_ == resource) {
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querying_peer_index = i;
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break;
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}
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}
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if (querying_peer_index == -1) {
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return;
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}
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// Remove this peer from the querying list and try to fill in his info.
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Peer peer = querying_peers_.takeAt(querying_peer_index);
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const gloox::StringList& features = info.features();
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if (features.empty()) {
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return;
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}
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const gloox::Disco::IdentityList& identities = info.identities();
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if (identities.empty()) {
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return;
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}
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// Fill in the name.
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peer.agent_name_ = QString::fromUtf8((*identities.begin())->name().c_str());
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// Fill in the list of capabilities.
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for (gloox::StringList::const_iterator it = features.begin();
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it != features.end(); ++it) {
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const std::string& feature_name = *it;
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if (feature_name == kXmlnsXrmeMediaPlayer) {
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peer.caps_ |= Peer::MediaPlayer;
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}
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if (feature_name == kXmlnsXrmeRemoteControl) {
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peer.caps_ |= Peer::RemoteControl;
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}
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}
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// No recognised capabilities? Discard the peer.
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if (peer.caps_ == Peer::None) {
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return;
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}
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peers_ << peer;
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emit parent_->PeerFound(peer);
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qDebug() << "Peer found:" << peer.agent_name_ << peer.jid_resource_ << peer.caps_;
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}
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void Connection::Private::handleDiscoItems(
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const gloox::JID&, const gloox::Disco::Items&, int) {
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}
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void Connection::Private::handleDiscoError(
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const gloox::JID& from, const gloox::Error* error, int context) {
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QString resource = QString::fromUtf8(from.resource().c_str());
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// Remove this peer if we're currently querying it
|
|
for (int i=0 ; i<querying_peers_.count() ; ++i) {
|
|
if (querying_peers_[i].jid_resource_ == resource) {
|
|
querying_peers_.removeAt(i);
|
|
return;
|
|
}
|
|
}
|
|
}
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|
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} // namespace xrme
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