231 lines
7.7 KiB
C++
231 lines
7.7 KiB
C++
/*
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* Strawberry Music Player
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* Copyright 2020, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry 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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*
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* Strawberry 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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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <QObject>
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#include <QByteArray>
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#include <QVariant>
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#include <QString>
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#include <QUrl>
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#include <QUrlQuery>
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#include <QRegularExpression>
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#include <QNetworkAccessManager>
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#include <QNetworkRequest>
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#include <QNetworkReply>
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#include <QJsonDocument>
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#include <QJsonParseError>
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#include <QJsonObject>
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#include <QtDebug>
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#include "core/logging.h"
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#include "core/networkaccessmanager.h"
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#include "albumcoverfetcher.h"
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#include "jsoncoverprovider.h"
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#include "musixmatchcoverprovider.h"
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MusixmatchCoverProvider::MusixmatchCoverProvider(Application *app, QObject *parent): JsonCoverProvider("Musixmatch", true, false, 1.0, true, false, app, parent), network_(new NetworkAccessManager(this)) {}
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MusixmatchCoverProvider::~MusixmatchCoverProvider() {
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while (!replies_.isEmpty()) {
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QNetworkReply *reply = replies_.takeFirst();
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QObject::disconnect(reply, nullptr, this, nullptr);
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reply->abort();
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reply->deleteLater();
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}
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}
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bool MusixmatchCoverProvider::StartSearch(const QString &artist, const QString &album, const QString &title, const int id) {
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Q_UNUSED(title);
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QString artist_stripped = artist;
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QString album_stripped = album;
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artist_stripped = artist_stripped.replace('/', '-');
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artist_stripped = artist_stripped.remove(QRegularExpression("[^\\w0-9\\- ]", QRegularExpression::UseUnicodePropertiesOption));
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artist_stripped = artist_stripped.simplified();
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artist_stripped = artist_stripped.replace(' ', '-');
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artist_stripped = artist_stripped.replace(QRegularExpression("(-)\\1+"), "-");
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artist_stripped = artist_stripped.toLower();
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album_stripped = album_stripped.replace('/', '-');
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album_stripped = album_stripped.remove(QRegularExpression("[^\\w0-9\\- ]", QRegularExpression::UseUnicodePropertiesOption));
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album_stripped = album_stripped.simplified();
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album_stripped = album_stripped.replace(' ', '-').toLower();
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album_stripped = album_stripped.replace(QRegularExpression("(-)\\1+"), "-");
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album_stripped = album_stripped.toLower();
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if (artist_stripped.isEmpty() || album_stripped.isEmpty()) return false;
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QUrl url(QString("https://www.musixmatch.com/album/%1/%2").arg(artist_stripped).arg(album_stripped));
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QNetworkRequest req(url);
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#if QT_VERSION >= QT_VERSION_CHECK(5, 9, 0)
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req.setAttribute(QNetworkRequest::RedirectPolicyAttribute, QNetworkRequest::NoLessSafeRedirectPolicy);
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#else
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req.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true);
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#endif
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#if QT_VERSION >= QT_VERSION_CHECK(5, 15, 0)
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req.setAttribute(QNetworkRequest::Http2AllowedAttribute, false);
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#endif
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QNetworkReply *reply = network_->get(req);
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replies_ << reply;
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QObject::connect(reply, &QNetworkReply::finished, [this, reply, id, artist, album]() { HandleSearchReply(reply, id, artist, album); });
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//qLog(Debug) << "Musixmatch: Sending request for" << artist_stripped << album_stripped << url;
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return true;
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}
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void MusixmatchCoverProvider::CancelSearch(const int id) { Q_UNUSED(id); }
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void MusixmatchCoverProvider::HandleSearchReply(QNetworkReply *reply, const int id, const QString &artist, const QString &album) {
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if (!replies_.contains(reply)) return;
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replies_.removeAll(reply);
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QObject::disconnect(reply, nullptr, this, nullptr);
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reply->deleteLater();
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CoverProviderSearchResults results;
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if (reply->error() != QNetworkReply::NoError) {
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Error(QString("%1 (%2)").arg(reply->errorString()).arg(reply->error()));
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emit SearchFinished(id, results);
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return;
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}
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else if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() != 200) {
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Error(QString("Received HTTP code %1").arg(reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt()));
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emit SearchFinished(id, results);
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return;
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}
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QByteArray data = reply->readAll();
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if (data.isEmpty()) {
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Error("Empty reply received from server.");
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emit SearchFinished(id, results);
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return;
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}
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QString content = data;
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QString data_begin = "var __mxmState = ";
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QString data_end = ";</script>";
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int begin_idx = content.indexOf(data_begin);
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QString content_json;
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if (begin_idx > 0) {
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begin_idx += data_begin.length();
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int end_idx = content.indexOf(data_end, begin_idx);
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if (end_idx > begin_idx) {
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content_json = content.mid(begin_idx, end_idx - begin_idx);
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}
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}
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if (content_json.isEmpty()) {
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emit SearchFinished(id, results);
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return;
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}
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if (content_json.contains(QRegularExpression("<[^>]*>"))) { // Make sure it's not HTML code.
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emit SearchFinished(id, results);
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return;
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}
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QJsonParseError error;
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QJsonDocument json_doc = QJsonDocument::fromJson(content_json.toUtf8(), &error);
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if (error.error != QJsonParseError::NoError) {
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Error(QString("Failed to parse json data: %1").arg(error.errorString()));
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emit SearchFinished(id, results);
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return;
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}
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if (json_doc.isEmpty()) {
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Error("Received empty Json document.", data);
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emit SearchFinished(id, results);
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return;
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}
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if (!json_doc.isObject()) {
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Error("Json document is not an object.", json_doc);
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emit SearchFinished(id, results);
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return;
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}
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QJsonObject json_obj = json_doc.object();
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if (json_obj.isEmpty()) {
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Error("Received empty Json object.", json_doc);
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emit SearchFinished(id, results);
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return;
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}
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if (!json_obj.contains("page") || !json_obj["page"].isObject()) {
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Error("Json reply is missing page object.", json_obj);
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emit SearchFinished(id, results);
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return;
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}
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json_obj = json_obj["page"].toObject();
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if (!json_obj.contains("album") || !json_obj["album"].isObject()) {
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Error("Json page object is missing album object.", json_obj);
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emit SearchFinished(id, results);
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return;
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}
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QJsonObject obj_album = json_obj["album"].toObject();
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if (!obj_album.contains("artistName") || !obj_album.contains("name")) {
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Error("Json album object is missing artistName or name.", obj_album);
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emit SearchFinished(id, results);
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return;
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}
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CoverProviderSearchResult result;
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result.artist = obj_album["artistName"].toString();
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result.album = obj_album["name"].toString();
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if (artist.toLower() != result.artist.toLower() && album.toLower() != result.album.toLower()) {
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emit SearchFinished(id, results);
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return;
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}
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QList<QPair<QString, QSize>> cover_sizes = QList<QPair<QString, QSize>>() << qMakePair(QString("coverart800x800"), QSize(800, 800))
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<< qMakePair(QString("coverart500x500"), QSize(500, 500))
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<< qMakePair(QString("coverart350x350"), QSize(350, 350));
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for (const QPair<QString, QSize> &cover_size : cover_sizes) {
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if (!obj_album.contains(cover_size.first)) continue;
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QUrl cover_url(obj_album[cover_size.first].toString());
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if (cover_url.isValid()) {
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result.image_url = cover_url;
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result.image_size = cover_size.second;
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results << result;
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}
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}
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emit SearchFinished(id, results);
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}
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void MusixmatchCoverProvider::Error(const QString &error, const QVariant &debug) {
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qLog(Error) << "Musixmatch:" << error;
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if (debug.isValid()) qLog(Debug) << debug;
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}
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