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Diffstat (limited to 'src/plugins/General/scrobbler/lastfmscrobbler.cpp')
-rw-r--r--src/plugins/General/scrobbler/lastfmscrobbler.cpp464
1 files changed, 464 insertions, 0 deletions
diff --git a/src/plugins/General/scrobbler/lastfmscrobbler.cpp b/src/plugins/General/scrobbler/lastfmscrobbler.cpp
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--- /dev/null
+++ b/src/plugins/General/scrobbler/lastfmscrobbler.cpp
@@ -0,0 +1,464 @@
+/***************************************************************************
+ * Copyright (C) 2010-2013 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., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
+ ***************************************************************************/
+
+#include <QNetworkAccessManager>
+#include <QNetworkRequest>
+#include <QNetworkProxy>
+#include <QNetworkReply>
+#include <QByteArray>
+#include <QCryptographicHash>
+#include <QXmlStreamReader>
+#include <QUrl>
+#include <QTime>
+#include <QTimer>
+#include <QDateTime>
+#include <QDir>
+#include <QDesktopServices>
+#include <QSettings>
+#include <qmmp/soundcore.h>
+#include <qmmp/qmmpsettings.h>
+#include <qmmp/qmmp.h>
+#include "lastfmscrobbler.h"
+
+#define SCROBBLER_LASTFM_URL "http://ws.audioscrobbler.com/2.0/"
+#define API_KEY "d71c6f01b2ea562d7042bd5f5970041f"
+#define SECRET "32d47bc0010473d40e1d38bdcff20968"
+
+
+LastfmScrobbler::LastfmScrobbler(QObject *parent) : QObject(parent)
+{
+ m_getTokenReply = 0;
+ m_getSessionReply = 0;
+ m_notificationReply = 0;
+ m_submitedSongs = 0;
+ m_submitReply = 0;
+ m_state = Qmmp::Stopped;
+ m_time = new QTime();
+ m_cache = new ScrobblerCache(QDir::homePath() +"/.qmmp/scrobbler_lastfm.cache");
+ m_ua = QString("qmmp-plugins/%1").arg(Qmmp::strVersion().toLower()).toAscii();
+ m_http = new QNetworkAccessManager(this);
+ m_core = SoundCore::instance();
+ QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+ m_session = settings.value("Scrobbler/lastfm_session").toString();
+
+ connect(m_http, SIGNAL(finished (QNetworkReply *)), SLOT(processResponse(QNetworkReply *)));
+ connect(QmmpSettings::instance(), SIGNAL(networkSettingsChanged()), SLOT(setupProxy()));
+ connect(m_core, SIGNAL(metaDataChanged()), SLOT(updateMetaData()));
+ connect(m_core, SIGNAL(stateChanged (Qmmp::State)), SLOT(setState(Qmmp::State)));
+
+ setupProxy();
+ m_cachedSongs = m_cache->load();
+
+ if(m_session.isEmpty())
+ getToken();
+ else
+ {
+ submit();
+ if(m_core->state() == Qmmp::Playing)
+ {
+ setState(Qmmp::Playing);
+ updateMetaData();
+ }
+ }
+}
+
+LastfmScrobbler::~LastfmScrobbler()
+{
+ m_cache->save(m_cachedSongs);
+ delete m_time;
+ delete m_cache;
+
+}
+
+void LastfmScrobbler::setState(Qmmp::State state)
+{
+ m_state = state;
+ switch ((uint) state)
+ {
+ case Qmmp::Playing:
+ m_start_ts = QDateTime::currentDateTime().toTime_t();
+ m_time->restart();
+ 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_cachedSongs << m_song;
+ m_cache->save(m_cachedSongs);
+ }
+
+ m_song.clear();
+ if (m_cachedSongs.isEmpty())
+ break;
+
+ if (!m_session.isEmpty() && !m_submitReply)
+ submit();
+ break;
+ default:
+ ;
+ }
+}
+
+void LastfmScrobbler::updateMetaData()
+{
+ QMap <Qmmp::MetaData, QString> metadata = m_core->metaData();
+ if(m_state != Qmmp::Playing || m_core->totalTime() <= 0) //skip stream
+ return;
+ if(metadata.value(Qmmp::TITLE).isEmpty() || metadata.value(Qmmp::ARTIST).isEmpty()) //skip empty tags
+ return;
+ if(m_notificationReply && m_submitReply) //used
+ return;
+
+ m_song = SongInfo(metadata, m_core->totalTime()/1000);
+ sendNotification(m_song);
+}
+
+void LastfmScrobbler::processResponse(QNetworkReply *reply)
+{
+ if (reply->error() != QNetworkReply::NoError)
+ {
+ qWarning("LastfmScrobbler: http error: %s", qPrintable(reply->errorString()));
+ }
+
+ LastfmResponse response;
+ QStringList tags;
+ QXmlStreamReader reader(reply);
+ while(!reader.atEnd())
+ {
+ reader.readNext();
+ if(reader.isStartElement())
+ {
+ tags << reader.name().toString();
+ if(tags.last() == "lfm")
+ response.status = reader.attributes().value("status").toString();
+ else if(tags.last() == "error")
+ response.code = reader.attributes().value("code").toString();
+ }
+ else if(reader.isCharacters() && !reader.isWhitespace())
+ {
+ if(tags.last() == "token")
+ response.token = reader.text().toString();
+ else if(tags.last() == "error")
+ response.error = reader.text().toString();
+ if(tags.count() >= 2 && tags.at(tags.count() - 2) == "session")
+ {
+ if(tags.last() == "key")
+ response.key = reader.text().toString();
+ else if(tags.last() == "name")
+ response.name = reader.text().toString();
+ else if(tags.last() == "subscriber")
+ response.subscriber = reader.text().toString();
+ }
+ }
+ else if(reader.isEndElement())
+ {
+ tags.takeLast();
+ }
+ }
+
+ QString error_code;
+ if(response.status != "ok" && !response.status.isEmpty())
+ {
+ if(!response.error.isEmpty())
+ {
+ qWarning("LastfmScrobbler: status=%s, %s-%s", qPrintable(response.status),
+ qPrintable(response.code), qPrintable(response.error));
+ error_code = response.code;
+ }
+ else
+ qWarning("LastfmScrobbler: invalid content");
+ }
+
+ if (reply == m_getTokenReply)
+ {
+ m_getTokenReply = 0;
+ if(response.status == "ok")
+ {
+ m_token = response.token;
+ qDebug("LastfmScrobbler: token: %s", qPrintable(m_token));
+ QDesktopServices::openUrl("http://www.last.fm/api/auth/?api_key="API_KEY"&token="+m_token);
+ QTimer::singleShot(120000, this, SLOT(getSession())); //2 minutes
+ }
+ else if(error_code == "8" || error_code == "7" || error_code == "11" || error_code.isEmpty())
+ {
+ m_token.clear();
+ QTimer::singleShot(120000, this, SLOT(getToken())); // wait 2 minutes and try again
+ }
+ else
+ {
+ m_token.clear();
+ qWarning("LastfmScrobbler: service returned unrecoverable error, scrobbling disabled");
+ }
+ }
+ else if(reply == m_getSessionReply)
+ {
+ m_getSessionReply = 0;
+ m_session.clear();
+ if(response.status == "ok")
+ {
+ m_session = response.key;
+ qDebug("LastfmScrobbler: name: %s", qPrintable(response.name));
+ qDebug("LastfmScrobbler: key: %s", qPrintable(m_session));
+ qDebug("LastfmScrobbler: subscriber: %s", qPrintable(response.subscriber));
+ QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+ settings.setValue("Scrobbler/lastfm_session", m_session);
+ submit();
+ }
+ else if(error_code == "4" || error_code == "15") //invalid token
+ {
+ m_token.clear();
+ getToken();
+ }
+ else if(error_code == "11") //service offline
+ {
+ QTimer::singleShot(120000, this, SLOT(getSession()));
+ }
+ else if(error_code == "14") // unauthorized token
+ {
+ QDesktopServices::openUrl("http://www.last.fm/api/auth/?api_key="API_KEY"&token="+m_token);
+ QTimer::singleShot(120000, this, SLOT(getSession())); //2 minutes
+ }
+ else if (error_code.isEmpty()) //network error
+ {
+ QTimer::singleShot(120000, this, SLOT(getSession()));
+ }
+ else
+ {
+ m_token.clear();
+ qWarning("LastfmScrobbler: service returned unrecoverable error, scrobbling disabled");
+ }
+ }
+ else if (reply == m_submitReply)
+ {
+ m_submitReply = 0;
+ if (response.status == "ok")
+ {
+ qDebug("LastfmScrobbler: submited %d song(s)", m_submitedSongs);
+ while (m_submitedSongs)
+ {
+ m_submitedSongs--;
+ m_cachedSongs.removeFirst ();
+ }
+ if (!m_cachedSongs.isEmpty()) //submit remaining songs
+ {
+ submit();
+ }
+ else
+ {
+ m_cache->save(m_cachedSongs); // update the cache file to reflect the empty cache
+ updateMetaData();
+ }
+ }
+ else if(error_code == "9") //invalid session key
+ {
+ m_session.clear();
+ getToken();
+ }
+ else if(error_code == "11" || error_code == "16" || error_code.isEmpty()) //unavailable
+ {
+ QTimer::singleShot(120000, this, SLOT(submit()));
+ }
+ else
+ {
+ m_session.clear();
+ qWarning("LastfmScrobbler: service returned unrecoverable error, scrobbling disabled");
+ }
+ }
+ else if (reply == m_notificationReply)
+ {
+ m_notificationReply = 0;
+ if(response.status == "ok")
+ {
+ qDebug("LastfmScrobbler: Now-Playing notification done");
+ }
+ else if(error_code == "9") //invalid session key
+ {
+ m_session.clear();
+ getToken();
+ }
+ }
+ reply->deleteLater();
+}
+
+void LastfmScrobbler::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 LastfmScrobbler::getToken()
+{
+ qDebug("LastfmScrobbler: new token request");
+ m_session.clear();
+ QUrl url(QString(SCROBBLER_LASTFM_URL) + "?");
+ url.setPort(80);
+ url.addQueryItem("method", "auth.getToken");
+ url.addQueryItem("api_key", API_KEY);
+
+ QByteArray data;
+ data.append("api_key"API_KEY);
+ data.append("methodauth.getToken");
+ data.append(SECRET);
+ url.addQueryItem("api_sig", QCryptographicHash::hash(data,QCryptographicHash::Md5).toHex());
+
+ QNetworkRequest request(url);
+ request.setRawHeader("User-Agent", m_ua);
+ request.setRawHeader("Host",url.host().toAscii());
+ request.setRawHeader("Accept", "*/*");
+ m_getTokenReply = m_http->get(request);
+}
+
+void LastfmScrobbler::getSession()
+{
+ qDebug("LastfmScrobbler: new session request");
+ QUrl url(QString(SCROBBLER_LASTFM_URL) + "?");
+ url.setPort(80);
+ url.addQueryItem("api_key", API_KEY);
+ url.addQueryItem("method", "auth.getSession");
+ url.addQueryItem("token", m_token);
+
+ QByteArray data;
+ data.append("api_key"API_KEY);
+ data.append("methodauth.getSession");
+ data.append("token" + m_token.toUtf8());
+ data.append(SECRET);
+ url.addQueryItem("api_sig", QCryptographicHash::hash(data, QCryptographicHash::Md5).toHex());
+
+ QNetworkRequest request(url);
+ request.setRawHeader("User-Agent", m_ua);
+ request.setRawHeader("Host",url.host().toAscii());
+ request.setRawHeader("Accept", "*/*");
+ m_getSessionReply = m_http->get(request);
+}
+
+void LastfmScrobbler::submit()
+{
+ if (m_cachedSongs.isEmpty() || m_session.isEmpty() || m_submitReply)
+ return;
+
+ qDebug("LastfmScrobbler: submit request");
+ m_submitedSongs = qMin(m_cachedSongs.size(),25);
+
+ QMap <QString, QString> params;
+ for (int i = 0; i < m_submitedSongs; ++i)
+ {
+ SongInfo info = m_cachedSongs[i];
+ params.insert(QString("track[%1]").arg(i),info.metaData(Qmmp::TITLE));
+ params.insert(QString("timestamp[%1]").arg(i),QString("%1").arg(info.timeStamp()));
+ params.insert(QString("artist[%1]").arg(i),info.metaData(Qmmp::ARTIST));
+ params.insert(QString("album[%1]").arg(i),info.metaData(Qmmp::ALBUM));
+ params.insert(QString("trackNumber[%1]").arg(i),info.metaData(Qmmp::TRACK));
+ params.insert(QString("duration[%1]").arg(i),QString("%1").arg(info.length()));
+ }
+ params.insert("api_key", API_KEY);
+ params.insert("method", "track.scrobble");
+ params.insert("sk", m_session);
+
+ QStringList keys = params.keys();
+ foreach (QString key, keys) //removes empty keys
+ {
+ if(params.value(key).isEmpty() || params.value(key) == "0")
+ params.remove(key);
+ }
+
+ QUrl url(SCROBBLER_LASTFM_URL);
+ url.setPort(80);
+
+ QUrl body("");
+ QByteArray data;
+ foreach (QString key, params.keys())
+ {
+ body.addQueryItem(key, params.value(key));
+ data.append(key.toUtf8() + params.value(key).toUtf8());
+ }
+ data.append(SECRET);
+ body.addQueryItem("api_sig", QCryptographicHash::hash(data, QCryptographicHash::Md5).toHex());
+ QByteArray bodyData = body.toEncoded().remove(0,1);
+ bodyData.replace("+", QUrl::toPercentEncoding("+"));
+
+ QNetworkRequest request(url);
+ request.setRawHeader("User-Agent", m_ua);
+ request.setRawHeader("Host", url.host().toAscii());
+ request.setRawHeader("Accept", "*/*");
+ request.setRawHeader("Content-Type", "application/x-www-form-urlencoded");
+ request.setHeader(QNetworkRequest::ContentLengthHeader, bodyData.size());
+ m_submitReply = m_http->post(request, bodyData);
+}
+
+void LastfmScrobbler::sendNotification(const SongInfo &info)
+{
+ if(m_session.isEmpty())
+ return;
+ qDebug("LastfmScrobbler: sending notification");
+
+ QMap <QString, QString> params;
+ params.insert("track", info.metaData(Qmmp::TITLE));
+ params.insert("artist", info.metaData(Qmmp::ARTIST));
+ if(!info.metaData(Qmmp::ALBUM).isEmpty())
+ params.insert("album", info.metaData(Qmmp::ALBUM));
+ if(!info.metaData(Qmmp::TRACK).isEmpty())
+ params.insert("trackNumber", info.metaData(Qmmp::TRACK));
+ params.insert("duration", QString("%1").arg(info.length()));
+ params.insert("api_key", API_KEY);
+ params.insert("method", "track.updateNowPlaying");
+ params.insert("sk", m_session);
+
+ foreach (QString key, params) //removes empty keys
+ {
+ if(params.value(key).isEmpty())
+ params.remove(key);
+ }
+
+ QUrl url(SCROBBLER_LASTFM_URL);
+ url.setPort(80);
+
+ QUrl body("");
+ QByteArray data;
+ foreach (QString key, params.keys())
+ {
+ body.addQueryItem(key, params.value(key));
+ data.append(key.toUtf8() + params.value(key).toUtf8());
+ }
+ data.append(SECRET);
+ body.addQueryItem("api_sig", QCryptographicHash::hash(data, QCryptographicHash::Md5).toHex());
+ QByteArray bodyData = body.toEncoded().remove(0,1);
+ bodyData.replace("+", QUrl::toPercentEncoding("+"));
+
+ QNetworkRequest request(url);
+ request.setRawHeader("User-Agent", m_ua);
+ request.setRawHeader("Host", url.host().toAscii());
+ request.setRawHeader("Accept", "*/*");
+ request.setRawHeader("Content-Type", "application/x-www-form-urlencoded");
+ request.setHeader(QNetworkRequest::ContentLengthHeader, bodyData.size());
+ m_notificationReply = m_http->post(request, bodyData);
+}
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