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strawberry-audio-player-win.../src/covermanager/musixmatchcoverprovider.cpp

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/*
* Strawberry Music Player
* Copyright 2020-2021, Jonas Kvinge <jonas@jkvinge.net>
*
* Strawberry 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 3 of the License, or
* (at your option) any later version.
*
* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "config.h"
#include <QObject>
#include <QByteArray>
#include <QVariant>
#include <QString>
#include <QUrl>
#include <QUrlQuery>
#include <QRegularExpression>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QJsonDocument>
#include <QJsonParseError>
#include <QJsonObject>
#include "core/shared_ptr.h"
#include "core/logging.h"
#include "core/networkaccessmanager.h"
#include "providers/musixmatchprovider.h"
#include "albumcoverfetcher.h"
#include "jsoncoverprovider.h"
#include "musixmatchcoverprovider.h"
MusixmatchCoverProvider::MusixmatchCoverProvider(Application *app, SharedPtr<NetworkAccessManager> network, QObject *parent)
: JsonCoverProvider(QStringLiteral("Musixmatch"), true, false, 1.0, true, false, app, network, parent) {}
MusixmatchCoverProvider::~MusixmatchCoverProvider() {
while (!replies_.isEmpty()) {
QNetworkReply *reply = replies_.takeFirst();
QObject::disconnect(reply, nullptr, this, nullptr);
reply->abort();
reply->deleteLater();
}
}
bool MusixmatchCoverProvider::StartSearch(const QString &artist, const QString &album, const QString &title, const int id) {
Q_UNUSED(title);
if (artist.isEmpty() || album.isEmpty()) return false;
QString artist_stripped = StringFixup(artist);
QString album_stripped = StringFixup(album);
if (artist_stripped.isEmpty() || album_stripped.isEmpty()) return false;
QUrl url(QStringLiteral("https://www.musixmatch.com/album/%1/%2").arg(artist_stripped, album_stripped));
QNetworkRequest req(url);
req.setAttribute(QNetworkRequest::RedirectPolicyAttribute, QNetworkRequest::NoLessSafeRedirectPolicy);
QNetworkReply *reply = network_->get(req);
replies_ << reply;
QObject::connect(reply, &QNetworkReply::finished, this, [this, reply, id, artist, album]() { HandleSearchReply(reply, id, artist, album); });
//qLog(Debug) << "Musixmatch: Sending request for" << artist_stripped << album_stripped << url;
return true;
}
void MusixmatchCoverProvider::CancelSearch(const int id) { Q_UNUSED(id); }
void MusixmatchCoverProvider::HandleSearchReply(QNetworkReply *reply, const int id, const QString &artist, const QString &album) {
if (!replies_.contains(reply)) return;
replies_.removeAll(reply);
QObject::disconnect(reply, nullptr, this, nullptr);
reply->deleteLater();
CoverProviderSearchResults results;
if (reply->error() != QNetworkReply::NoError) {
Error(QStringLiteral("%1 (%2)").arg(reply->errorString()).arg(reply->error()));
emit SearchFinished(id, results);
return;
}
else if (reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt() != 200) {
Error(QStringLiteral("Received HTTP code %1").arg(reply->attribute(QNetworkRequest::HttpStatusCodeAttribute).toInt()));
emit SearchFinished(id, results);
return;
}
const QByteArray data = reply->readAll();
if (data.isEmpty()) {
Error(QStringLiteral("Empty reply received from server."));
emit SearchFinished(id, results);
return;
}
const QString content = QString::fromUtf8(data);
const QString data_begin = QStringLiteral("<script id=\"__NEXT_DATA__\" type=\"application/json\">");
const QString data_end = QStringLiteral("</script>");
if (!content.contains(data_begin) || !content.contains(data_end)) {
emit SearchFinished(id, results);
return;
}
qint64 begin_idx = content.indexOf(data_begin);
QString content_json;
if (begin_idx > 0) {
begin_idx += data_begin.length();
qint64 end_idx = content.indexOf(data_end, begin_idx);
if (end_idx > begin_idx) {
content_json = content.mid(begin_idx, end_idx - begin_idx);
}
}
if (content_json.isEmpty()) {
emit SearchFinished(id, results);
return;
}
if (content_json.contains(QRegularExpression(QStringLiteral("<[^>]*>")))) { // Make sure it's not HTML code.
emit SearchFinished(id, results);
return;
}
QJsonParseError error;
QJsonDocument json_doc = QJsonDocument::fromJson(content_json.toUtf8(), &error);
if (error.error != QJsonParseError::NoError) {
Error(QStringLiteral("Failed to parse json data: %1").arg(error.errorString()));
emit SearchFinished(id, results);
return;
}
if (json_doc.isEmpty()) {
Error(QStringLiteral("Received empty Json document."), data);
emit SearchFinished(id, results);
return;
}
if (!json_doc.isObject()) {
Error(QStringLiteral("Json document is not an object."), json_doc);
emit SearchFinished(id, results);
return;
}
QJsonObject obj_data = json_doc.object();
if (obj_data.isEmpty()) {
Error(QStringLiteral("Received empty Json object."), json_doc);
emit SearchFinished(id, results);
return;
}
if (!obj_data.contains(QStringLiteral("props")) || !obj_data[QStringLiteral("props")].isObject()) {
Error(QStringLiteral("Json reply is missing props."), obj_data);
emit SearchFinished(id, results);
return;
}
obj_data = obj_data[QStringLiteral("props")].toObject();
if (!obj_data.contains(QStringLiteral("pageProps")) || !obj_data[QStringLiteral("pageProps")].isObject()) {
Error(QStringLiteral("Json props is missing pageProps."), obj_data);
emit SearchFinished(id, results);
return;
}
obj_data = obj_data[QStringLiteral("pageProps")].toObject();
if (!obj_data.contains(QStringLiteral("data")) || !obj_data[QStringLiteral("data")].isObject()) {
Error(QStringLiteral("Json pageProps is missing data."), obj_data);
emit SearchFinished(id, results);
return;
}
obj_data = obj_data[QStringLiteral("data")].toObject();
if (!obj_data.contains(QStringLiteral("albumGet")) || !obj_data[QStringLiteral("albumGet")].isObject()) {
Error(QStringLiteral("Json data is missing albumGet."), obj_data);
emit SearchFinished(id, results);
return;
}
obj_data = obj_data[QStringLiteral("albumGet")].toObject();
if (!obj_data.contains(QStringLiteral("data")) || !obj_data[QStringLiteral("data")].isObject()) {
Error(QStringLiteral("Json albumGet reply is missing data."), obj_data);
emit SearchFinished(id, results);
return;
}
obj_data = obj_data[QStringLiteral("data")].toObject();
CoverProviderSearchResult result;
if (obj_data.contains(QStringLiteral("artistName")) && obj_data[QStringLiteral("artistName")].isString()) {
result.artist = obj_data[QStringLiteral("artistName")].toString();
}
if (obj_data.contains(QStringLiteral("name")) && obj_data[QStringLiteral("name")].isString()) {
result.album = obj_data[QStringLiteral("name")].toString();
}
if (result.artist.compare(artist, Qt::CaseInsensitive) != 0 && result.album.compare(album, Qt::CaseInsensitive) != 0) {
emit SearchFinished(id, results);
return;
}
QList<QPair<QString, QSize>> cover_sizes = QList<QPair<QString, QSize>>() << qMakePair(QStringLiteral("coverImage800x800"), QSize(800, 800))
<< qMakePair(QStringLiteral("coverImage500x500"), QSize(500, 500))
<< qMakePair(QStringLiteral("coverImage350x350"), QSize(350, 350));
for (const QPair<QString, QSize> &cover_size : cover_sizes) {
if (!obj_data.contains(cover_size.first)) continue;
QUrl cover_url(obj_data[cover_size.first].toString());
if (cover_url.isValid()) {
result.image_url = cover_url;
result.image_size = cover_size.second;
results << result;
}
}
emit SearchFinished(id, results);
}
void MusixmatchCoverProvider::Error(const QString &error, const QVariant &debug) {
qLog(Error) << "Musixmatch:" << error;
if (debug.isValid()) qLog(Debug) << debug;
}
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