diff options
Diffstat (limited to 'src/plugins/General/scrobbler/scrobbler.cpp')
| -rw-r--r-- | src/plugins/General/scrobbler/scrobbler.cpp | 602 |
1 files changed, 602 insertions, 0 deletions
diff --git a/src/plugins/General/scrobbler/scrobbler.cpp b/src/plugins/General/scrobbler/scrobbler.cpp new file mode 100644 index 000000000..526912593 --- /dev/null +++ b/src/plugins/General/scrobbler/scrobbler.cpp @@ -0,0 +1,602 @@ +/*************************************************************************** + * 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 "scrobbler.h" + +#define API_KEY "d71c6f01b2ea562d7042bd5f5970041f" +#define SECRET "32d47bc0010473d40e1d38bdcff20968" + +void ScrobblerResponse::parse(QIODevice *device) +{ + QXmlStreamReader reader(device); + QStringList tags; + while(!reader.atEnd()) + { + reader.readNext(); + if(reader.isStartElement()) + { + tags << reader.name().toString(); + if(tags.last() == "lfm") + status = reader.attributes().value("status").toString(); + else if(tags.last() == "error") + code = reader.attributes().value("code").toString(); + } + else if(reader.isCharacters() && !reader.isWhitespace()) + { + if(tags.last() == "token") + token = reader.text().toString(); + else if(tags.last() == "error") + error = reader.text().toString(); + if(tags.count() >= 2 && tags.at(tags.count() - 2) == "session") + { + if(tags.last() == "key") + key = reader.text().toString(); + else if(tags.last() == "name") + name = reader.text().toString(); + else if(tags.last() == "subscriber") + subscriber = reader.text().toString(); + } + } + else if(reader.isEndElement()) + { + tags.takeLast(); + } + } +} + +Scrobbler::Scrobbler(const QString &scrobblerUrl, const QString &name, QObject *parent) + : QObject(parent) +{ + m_notificationReply = 0; + m_submitedSongs = 0; + m_submitReply = 0; + m_scrobblerUrl = scrobblerUrl; + m_name = name; + m_state = Qmmp::Stopped; + m_time = new QTime(); + m_cache = new ScrobblerCache(QDir::homePath() +"/.qmmp/scrobbler_"+name+".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/"+name+"_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()) + { + submit(); + if(m_core->state() == Qmmp::Playing) + { + setState(Qmmp::Playing); + updateMetaData(); + } + } +} + +Scrobbler::~Scrobbler() +{ + m_cache->save(m_cachedSongs); + delete m_time; + delete m_cache; + +} + +void Scrobbler::setState(Qmmp::State state) +{ + static Qmmp::State previousState = state; + static int elapsed = 0; + m_state = state; + switch ((uint) state) + { + case Qmmp::Playing: + if (previousState != Qmmp::Paused) + { + qDebug("Scrobbler[%s]: new song started", qPrintable(m_name)); + m_start_ts = QDateTime::currentDateTime().toTime_t(); + elapsed = 0; + } + else + { + qDebug("Scrobbler[%s]: resuming from %d seconds played", qPrintable(m_name), elapsed / 1000); + } + m_time->restart(); + break; + case Qmmp::Stopped: + if (previousState != Qmmp::Paused) + elapsed += m_time->elapsed(); + if (!m_song.metaData().isEmpty() + && ((elapsed / 1000 > 240) || (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; + case Qmmp::Paused: + elapsed += m_time->elapsed(); + qDebug("Scrobbler[%s]: pausing after %d seconds played", qPrintable(m_name), elapsed / 1000); + break; + default: + ; + } + previousState = state; +} + +void Scrobbler::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 Scrobbler::processResponse(QNetworkReply *reply) +{ + if (reply->error() != QNetworkReply::NoError) + { + qWarning("Scrobbler[%s]: http error: %s", qPrintable(m_name), qPrintable(reply->errorString())); + } + + ScrobblerResponse response; + response.parse(reply); + + QString error_code; + if(response.status != "ok" && !response.status.isEmpty()) + { + if(!response.error.isEmpty()) + { + qWarning("Scrobbler[%s]: status=%s, %s-%s", qPrintable(m_name), qPrintable(response.status), + qPrintable(response.code), qPrintable(response.error)); + error_code = response.code; + } + else + qWarning("Scrobbler[%s]: invalid content", qPrintable(m_name)); + } + + if (reply == m_submitReply) + { + m_submitReply = 0; + if (response.status == "ok") + { + qDebug("Scrobbler[%s]: submited %d song(s)", qPrintable(m_name), 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(); + qWarning("Scrobbler[%s]: invalid session key, scrobbling disabled", qPrintable(m_name)); + } + else if(error_code == "11" || error_code == "16" || error_code.isEmpty()) //unavailable + { + QTimer::singleShot(120000, this, SLOT(submit())); + } + else + { + m_session.clear(); + qWarning("Scrobbler[%s]: service returned unrecoverable error, scrobbling disabled", + qPrintable(m_name)); + } + } + else if (reply == m_notificationReply) + { + m_notificationReply = 0; + if(response.status == "ok") + { + qDebug("Scrobbler[%s]: Now-Playing notification done", qPrintable(m_name)); + } + else if(error_code == "9") //invalid session key + { + m_session.clear(); + qWarning("Scrobbler[%s]: invalid session key, scrobbling disabled", qPrintable(m_name)); + } + } + 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::submit() +{ + if (m_cachedSongs.isEmpty() || m_session.isEmpty() || m_submitReply) + return; + + qDebug("Scrobbler[%s]: submit request", qPrintable(m_name)); + 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(m_scrobblerUrl); + 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 Scrobbler::sendNotification(const SongInfo &info) +{ + if(m_session.isEmpty()) + return; + qDebug("Scrobbler[%s]: sending notification", qPrintable(m_name)); + + 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(m_scrobblerUrl); + 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); +} + +ScrobblerAuth::ScrobblerAuth(const QString &scrobblerUrl, const QString &authUrl, + const QString &name, QObject *parent) : QObject(parent) +{ + m_getTokenReply = 0; + m_getSessionReply = 0; + m_scrobblerUrl = scrobblerUrl; + m_authUrl = authUrl; + m_name = name; + m_ua = QString("qmmp-plugins/%1").arg(Qmmp::strVersion().toLower()).toAscii(); + m_http = new QNetworkAccessManager(this); + connect(m_http, SIGNAL(finished (QNetworkReply *)), SLOT(processResponse(QNetworkReply *))); + + 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 ScrobblerAuth::getToken() +{ + qDebug("ScrobblerAuth[%s]: new token request", qPrintable(m_name)); + m_session.clear(); + QUrl url(m_scrobblerUrl + "?"); + 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 ScrobblerAuth::getSession() +{ + qDebug("ScrobblerAuth[%s]: new session request", qPrintable(m_name)); + QUrl url(m_scrobblerUrl + "?"); + 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 ScrobblerAuth::checkSession(const QString &session) +{ + qDebug("ScrobblerAuth[%s]: checking session...", qPrintable(m_name)); + m_session = session; + QMap <QString, QString> params; + params.insert("api_key", API_KEY); + params.insert("sk", session); + params.insert("method", "user.getRecommendedArtists"); + params.insert("limit", "1"); + + QUrl url(m_scrobblerUrl); + 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_checkSessionReply = m_http->post(request, bodyData); +} + +QString ScrobblerAuth::session() const +{ + return m_session; +} + +void ScrobblerAuth::processResponse(QNetworkReply *reply) +{ + if (reply->error() != QNetworkReply::NoError) + { + qWarning("ScrobblerAuth[%s]: http error: %s", qPrintable(m_name), qPrintable(reply->errorString())); + } + + ScrobblerResponse response; + response.parse(reply); + + QString error_code; + if(response.status != "ok" && !response.status.isEmpty()) + { + if(!response.error.isEmpty()) + { + qWarning("ScrobblerAuth[%s]: status=%s, %s-%s", qPrintable(m_name), qPrintable(response.status), + qPrintable(response.code), qPrintable(response.error)); + error_code = response.code; + } + else + qWarning("ScrobblerAuth[%s]: invalid content", qPrintable(m_name)); + } + + if (reply == m_getTokenReply) + { + m_getTokenReply = 0; + if(response.status == "ok") + { + m_token = response.token; + qDebug("ScrobblerAuth[%s]: token: %s", qPrintable(m_name), qPrintable(m_token)); + QDesktopServices::openUrl(m_authUrl + "?api_key="API_KEY"&token="+m_token); + emit(tokenRequestFinished(NO_ERROR)); + } + else if(error_code.isEmpty()) + { + m_token.clear(); + emit tokenRequestFinished(NETWORK_ERROR); + } + else if(error_code == "8" || error_code == "7" || error_code == "11" || error_code.isEmpty()) + { + m_token.clear(); + emit tokenRequestFinished(LASTFM_ERROR); + } + else + { + m_token.clear(); + emit tokenRequestFinished(LASTFM_ERROR); + } + } + else if(reply == m_getSessionReply) + { + m_getSessionReply = 0; + m_session.clear(); + if(response.status == "ok") + { + m_session = response.key; + qDebug("ScrobblerAuth[%s]: name: %s", qPrintable(m_name), qPrintable(response.name)); + qDebug("ScrobblerAuth[%s]: key: %s", qPrintable(m_name), qPrintable(m_session)); + qDebug("ScrobblerAuth[%s]: subscriber: %s", qPrintable(m_name), qPrintable(response.subscriber)); + emit sessionRequestFinished(NO_ERROR); + } + else if(error_code == "4" || error_code == "15") //invalid token + { + m_token.clear(); + emit sessionRequestFinished(LASTFM_ERROR); + } + else if(error_code == "11") //service offline + { + m_token.clear(); + emit sessionRequestFinished(LASTFM_ERROR); + } + else if(error_code == "14") // unauthorized token + { + m_token.clear(); + emit sessionRequestFinished(LASTFM_ERROR); + } + else if (error_code.isEmpty()) //network error + { + m_token.clear(); + emit sessionRequestFinished(NETWORK_ERROR); + } + else + { + m_token.clear(); + emit sessionRequestFinished(LASTFM_ERROR); + } + } + else if(reply == m_checkSessionReply) + { + m_checkSessionReply = 0; + if(response.status == "ok") + { + qDebug("ScrobblerAuth[%s]: session ok", qPrintable(m_name)); + emit checkSessionFinished(NO_ERROR); + } + else if(error_code.isEmpty()) + { + qWarning("ScrobblerAuth[%s]: network error", qPrintable(m_name)); + emit checkSessionFinished(NETWORK_ERROR); + } + else + { + qWarning("ScrobblerAuth[%s]: received last.fm error (code=%s)", + qPrintable(m_name), qPrintable(error_code)); + emit checkSessionFinished(LASTFM_ERROR); + } + } + reply->deleteLater(); +} |