/***************************************************************************
* Copyright (C) 2008-2012 by Ilya Kotov *
* forkotov02@hotmail.ru *
* *
* 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) any later version. *
* *
* 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 <QMenu>
#include <QNetworkAccessManager>
#include <QNetworkRequest>
#include <QNetworkProxy>
#include <QNetworkReply>
#include <QByteArray>
#include <QCryptographicHash>
#include <QUrl>
#include <QTime>
#include <QTimer>
#include <QDateTime>
#include <QDir>
#include <qmmp/soundcore.h>
#include <qmmp/qmmpsettings.h>
#include <qmmp/qmmp.h>
#include "scrobbler.h"
#define PROTOCOL_VER "1.2.1"
#define CLIENT_ID "qmm"
#define CLIENT_VER "0.5"
Scrobbler::Scrobbler(const QString &url,
const QString &login,
const QString &passw,
const QString &name,
QObject *parent) : QObject(parent)
{
m_failure_count = 0;
m_handshake_count = 0;
m_http = new QNetworkAccessManager(this);
m_state = Qmmp::Stopped;
m_login = login;
m_passw = passw;
m_server = url;
m_name = name;
connect(QmmpSettings::instance(), SIGNAL(networkSettingsChanged()), SLOT(setupProxy()));
setupProxy();
m_disabled = m_login.isEmpty() || m_passw.isEmpty();
m_passw = QString(QCryptographicHash::hash(m_passw.toAscii(), QCryptographicHash::Md5).toHex());
connect(m_http, SIGNAL(finished (QNetworkReply *)), SLOT(processResponse(QNetworkReply *)));
m_core = SoundCore::instance();
connect (m_core, SIGNAL(metaDataChanged()), SLOT(updateMetaData()));
connect (m_core, SIGNAL(stateChanged (Qmmp::State)), SLOT(setState(Qmmp::State)));
m_time = new QTime();
m_submitedSongs = 0;
m_handshakeReply = 0;
m_submitReply = 0;
m_notificationReply = 0;
m_ua = QString("iScrobbler/1.5.1qmmp-plugins/%1").arg(Qmmp::strVersion()).toAscii();
QFile file(QDir::homePath() +"/.qmmp/scrobbler_" + m_name + ".cache");
if (!m_disabled && file.open(QIODevice::ReadOnly))
{
int s;
QString line, param, value;
while (!file.atEnd())
{
line = QString::fromUtf8(file.readLine()).trimmed();
if ((s = line.indexOf("=")) < 0)
continue;
param = line.left(s);
value = line.right(line.size() - s - 1);
if (param == "title")
{
m_songCache << SongInfo();
m_songCache.last().setMetaData(Qmmp::TITLE, value);
}
else if (m_songCache.isEmpty())
continue;
else if (param == "artist")
m_songCache.last().setMetaData(Qmmp::ARTIST, value);
else if (param == "album")
m_songCache.last().setMetaData(Qmmp::ALBUM, value);
else if (param == "comment")
m_songCache.last().setMetaData(Qmmp::COMMENT, value);
else if (param == "genre")
m_songCache.last().setMetaData(Qmmp::GENRE, value);
else if (param == "year")
m_songCache.last().setMetaData(Qmmp::YEAR, value);
else if (param == "track")
m_songCache.last().setMetaData(Qmmp::TRACK, value);
else if (param == "length")
m_songCache.last().setLength(value.toInt());
else if (param == "time")
m_songCache.last().setTimeStamp(value.toUInt());
}
file.close();
}
if (!m_disabled)
handshake();
}
Scrobbler::~Scrobbler()
{
delete m_time;
syncCache();
}
void Scrobbler::setState(Qmmp::State state)
{
m_state = state;
switch ((uint) state)
{
case Qmmp::Playing:
m_start_ts = QDateTime::currentDateTime().toTime_t();
m_time->restart();
if (!isReady() && !m_handshakeReply)
handshake();
break;
case Qmmp::Stopped:
if (!m_song.metaData().isEmpty()
&& ((m_time->elapsed ()/1000 > 240) || (m_time->elapsed ()/1000 > int(m_song.length()/2)))
&& (m_song.length() > MIN_SONG_LENGTH))
{
m_song.setTimeStamp(m_start_ts);
m_songCache << m_song;
syncCache();
}
m_song.clear();
if (m_songCache.isEmpty())
break;
if (isReady() && !m_submitReply)
submit();
break;
default:
;
}
}
void Scrobbler::updateMetaData()
{
QMap <Qmmp::MetaData, QString> metadata = m_core->metaData();
if (m_state == Qmmp::Playing
&& !metadata.value(Qmmp::TITLE).isEmpty() //skip empty tags
&& !metadata.value(Qmmp::ARTIST).isEmpty()
&& m_core->totalTime() //skip stream
&& !metadata.value(Qmmp::ARTIST).contains("=") //skip tags with special symbols
&& !metadata.value(Qmmp::TITLE).contains("=")
&& !metadata.value(Qmmp::ALBUM).contains("="))
{
metadata[Qmmp::ARTIST].replace("%", QUrl::toPercentEncoding("%")); //replace special symbols
metadata[Qmmp::ALBUM].replace("%", QUrl::toPercentEncoding("%"));
metadata[Qmmp::TITLE].replace("%", QUrl::toPercentEncoding("%"));
metadata[Qmmp::ARTIST].replace("&", QUrl::toPercentEncoding("&"));
metadata[Qmmp::ALBUM].replace("&", QUrl::toPercentEncoding("&"));
metadata[Qmmp::TITLE].replace("&", QUrl::toPercentEncoding("&"));
m_song = SongInfo(metadata, m_core->totalTime()/1000);
if (isReady() && !m_notificationReply && !m_submitReply)
sendNotification(m_song);
}
}
void Scrobbler::processResponse(QNetworkReply *reply)
{
QString data;
if (reply->error() == QNetworkReply::NoError)
data = reply->readAll();
else
data = reply->errorString ();
data = data.trimmed();
if (data.startsWith("OK"))
{
m_failure_count = 0;
m_handshake_count = 0;
}
if (reply == m_handshakeReply)
{
m_submitUrl.clear();
m_session.clear();
m_nowPlayingUrl.clear();
m_failure_count = 0;
QStringList strlist = data.split("\n");
if (!strlist[0].contains("OK") || strlist.size() < 4)
{
qWarning("Scrobbler[%s]: handshake phase error", qPrintable(m_name));
m_disabled = true;
if(strlist[0].contains("BANNED"))
qWarning("Scrobbler[%s]: client has been banned", qPrintable(m_name));
else if(strlist[0].contains("BADAUTH"))
qWarning("Scrobbler[%s]: incorrect user/password", qPrintable(m_name));
else if(strlist[0].contains("BADTIME"))
qWarning("Scrobbler[%s]: incorrect system time", qPrintable(m_name));
else
{
qWarning("Scrobbler[%s]: service error: %s", qPrintable(m_name), qPrintable(strlist[0]));
m_disabled = false;
m_handshake_count++;
QTimer::singleShot (60000 * qMin(m_handshake_count^2, 120) , this, SLOT(handshake()));
qWarning("Scrobbler[%s]: waiting %d minutes...", qPrintable(m_name),
qMin(m_handshake_count^2, 120));
}
}
else if (strlist.size() > 3) //process handshake response
{
qDebug("Scrobbler[%s]: reading handshake response",qPrintable(m_name));
qDebug("Scrobbler[%s]: Session ID: %s",qPrintable(m_name),qPrintable(strlist[1]));
qDebug("Scrobbler[%s]: Now-Playing URL: %s",qPrintable(m_name),qPrintable(strlist[2]));
qDebug("Scrobbler[%s]: Submission URL: %s",qPrintable(m_name),qPrintable(strlist[3]));
m_submitUrl = strlist[3];
m_nowPlayingUrl = strlist[2];
m_session = strlist[1];
updateMetaData(); //send now-playing notification for already playing song
if (!m_songCache.isEmpty()) //submit recent songs
submit();
}
}
else if (reply == m_submitReply)
{
m_submitReply = 0;
if (!data.startsWith("OK"))
{
qWarning("Scrobbler[%s]: submit error",qPrintable(m_name));
if(data.contains("BADSESSION"))
{
qWarning("Scrobbler[%s]: invalid session ID",qPrintable(m_name));
qWarning("Scrobbler[%s]: performing re-handshake",qPrintable(m_name));
handshake();
}
else
{
qWarning("Scrobbler[%s]: %s",qPrintable(m_name),qPrintable(data));
m_failure_count ++;
}
}
else
{
qDebug("Scrobbler[%s]: submited %d song(s)",qPrintable(m_name), m_submitedSongs);
while (m_submitedSongs)
{
m_submitedSongs--;
m_songCache.removeFirst ();
}
if (!m_songCache.isEmpty()) //submit remaining songs
submit();
else
updateMetaData();
}
}
else if (reply == m_notificationReply)
{
m_notificationReply = 0;
if (!data.startsWith("OK"))
{
qWarning("Scrobbler[%s]: notification error",qPrintable(m_name));
if(data.contains("BADSESSION"))
{
qWarning("Scrobbler[%s]: invalid session ID",qPrintable(m_name));
qWarning("Scrobbler[%s]: performing re-handshake",qPrintable(m_name));
handshake();
}
else
{
qWarning("Scrobbler[%s]: %s",qPrintable(m_name),qPrintable(data));
m_failure_count ++;
}
}
else
qDebug("Scrobbler[%s]: Now-Playing notification done", qPrintable(m_name));
}
if(m_failure_count >= 3)
{
qWarning("Scrobbler[%s]: performing re-handshake",qPrintable(m_name));
handshake();
}
reply->deleteLater();
}
void Scrobbler::setupProxy()
{
QmmpSettings *gs = QmmpSettings::instance();
if (gs->isProxyEnabled())
{
QNetworkProxy proxy(QNetworkProxy::HttpProxy, gs->proxy().host(), gs->proxy().port());
if(gs->useProxyAuth())
{
proxy.setUser(gs->proxy().userName());
proxy.setPassword(gs->proxy().password());
}
m_http->setProxy(proxy);
}
else
m_http->setProxy(QNetworkProxy::NoProxy);
}
void Scrobbler::handshake()
{
if (m_disabled)
return;
qDebug("Scrobbler[%s] handshake request",qPrintable(m_name));
uint ts = QDateTime::currentDateTime().toTime_t();
qDebug("Scrobbler[%s]: current time stamp %d",qPrintable(m_name),ts);
QString auth_tmp = QString("%1%2").arg(m_passw).arg(ts);
QByteArray auth = QCryptographicHash::hash(auth_tmp.toAscii (), QCryptographicHash::Md5);
auth = auth.toHex();
QUrl url(QString("http://") + m_server + "/?");
url.addQueryItem("hs", "true");
url.addQueryItem("p", PROTOCOL_VER);
url.addQueryItem("c", CLIENT_ID);
url.addQueryItem("v", CLIENT_VER);
url.addQueryItem("u", m_login);
url.addQueryItem("t", QString::number(ts));
url.addQueryItem("a", QString(auth));
url.setPort(80);
qDebug("Scrobbler[%s]: request url: %s",qPrintable(m_name),qPrintable(url.toString()));
QNetworkRequest request(url);
request.setRawHeader("User-Agent", m_ua);
request.setRawHeader("Host",url.host().toAscii());
request.setRawHeader("Accept", "*/*");
m_handshakeReply = m_http->get(request);
}
void Scrobbler::submit()
{
qDebug("Scrobbler[%s]: submit request", qPrintable(m_name));
if (m_songCache.isEmpty())
return;
m_submitedSongs = qMin(m_songCache.size(),25);
QString body = QString("s=%1").arg(m_session);
for (int i = 0; i < m_submitedSongs; ++i)
{
SongInfo info = m_songCache[i];
body += QString("&a[%9]=%1&t[%9]=%2&i[%9]=%3&o[%9]=%4&r[%9]=%5&l[%9]=%6&b[%9]=%7&n[%9]=%8&m[%9]=")
.arg(info.metaData(Qmmp::ARTIST))
.arg(info.metaData(Qmmp::TITLE))
.arg(info.timeStamp())
.arg("P")
.arg("")
.arg(info.length())
.arg(info.metaData(Qmmp::ALBUM))
.arg(info.metaData(Qmmp::TRACK))
.arg(i);
}
//qDebug("%s",qPrintable(body));
QUrl url(m_submitUrl);
url.setPort(80);
QNetworkRequest request(url);
request.setRawHeader("User-Agent", m_ua);
request.setRawHeader("Host",url.host().toAscii());
request.setRawHeader("Accept", "*/*");
request.setHeader(QNetworkRequest::ContentLengthHeader,
QUrl::toPercentEncoding(body,":/[]&=%").size());
m_submitReply = m_http->post(request, QUrl::toPercentEncoding(body,":/[]&=%"));
}
void Scrobbler::sendNotification(const SongInfo &info)
{
qDebug("Scrobbler[%s] sending notification", qPrintable(m_name));
QString body = QString("s=%1").arg(m_session);
body += QString("&a=%1&t=%2&b=%3&l=%4&n=%5&m=")
.arg(info.metaData(Qmmp::ARTIST))
.arg(info.metaData(Qmmp::TITLE))
.arg(info.metaData(Qmmp::ALBUM))
.arg(info.length())
.arg(info.metaData(Qmmp::TRACK));
QUrl url(m_nowPlayingUrl);
url.setPort(80);
QNetworkRequest request(url);
request.setRawHeader("User-Agent", m_ua);
request.setRawHeader("Host", url.host().toAscii());
request.setRawHeader("Accept", "*/*");
request.setHeader(QNetworkRequest::ContentLengthHeader,
QUrl::toPercentEncoding(body,":/[]&=%").size());
m_notificationReply = m_http->post(request, QUrl::toPercentEncoding(body,":/[]&=%"));
}
bool Scrobbler::isReady()
{
return !m_submitUrl.isEmpty() && !m_session.isEmpty();
}
void Scrobbler::syncCache()
{
QFile file(QDir::homePath() +"/.qmmp/scrobbler_" + m_name + ".cache");
if (m_songCache.isEmpty())
{
file.remove();
return;
}
file.open(QIODevice::WriteOnly);
foreach(SongInfo m, m_songCache)
{
file.write(QString("title=%1").arg(m.metaData(Qmmp::TITLE)).toUtf8() +"\n");
file.write(QString("artist=%1").arg(m.metaData(Qmmp::ARTIST)).toUtf8() +"\n");
file.write(QString("album=%1").arg(m.metaData(Qmmp::ALBUM)).toUtf8() +"\n");
file.write(QString("comment=%1").arg(m.metaData(Qmmp::COMMENT)).toUtf8() +"\n");
file.write(QString("genre=%1").arg(m.metaData(Qmmp::GENRE)).toUtf8() +"\n");
file.write(QString("year=%1").arg(m.metaData(Qmmp::YEAR)).toUtf8() +"\n");
file.write(QString("track=%1").arg(m.metaData(Qmmp::TRACK)).toUtf8() +"\n");
file.write(QString("length=%1").arg(m.length()).toUtf8() +"\n");
file.write(QString("time=%1").arg(m.timeStamp()).toUtf8() +"\n");
}
file.close();
}
SongInfo::SongInfo()
{
m_length = 0;
}
SongInfo::SongInfo(const QMap <Qmmp::MetaData, QString> metadata, qint64 length)
{
m_metadata = metadata;
m_length = length;
}
SongInfo::SongInfo(const SongInfo &other)
{
m_metadata = other.metaData();
m_length = other.length();
m_start_ts = other.timeStamp();
}
SongInfo::~SongInfo()
{}
void SongInfo::operator=(const SongInfo &info)
{
m_metadata = info.metaData();
m_length = info.length();
m_start_ts = info.timeStamp();
}
bool SongInfo::operator==(const SongInfo &info)
{
return (m_metadata == info.metaData()) && (m_length == info.length()) && (m_start_ts == info.timeStamp());
}
bool SongInfo::operator!=(const SongInfo &info)
{
return !operator==(info);
}
void SongInfo::setMetaData(const QMap <Qmmp::MetaData, QString> metadata)
{
m_metadata = metadata;
}
void SongInfo::setMetaData(Qmmp::MetaData key, const QString &value)
{
m_metadata.insert(key, value);
}
void SongInfo::setLength(qint64 l)
{
m_length = l;
}
const QMap <Qmmp::MetaData, QString> SongInfo::metaData() const
{
return m_metadata;
}
const QString SongInfo::metaData(Qmmp::MetaData key) const
{
return m_metadata.value(key);
}
qint64 SongInfo::length () const
{
return m_length;
}
void SongInfo::clear()
{
m_metadata.clear();
m_length = 0;
}
void SongInfo::setTimeStamp(uint ts)
{
m_start_ts = ts;
}
uint SongInfo::timeStamp() const
{
return m_start_ts;
}
