strawberry-audio-player-win.../src/qobuz/qobuzstreamurlrequest.cpp

237 lines
6.8 KiB
C++

/*
* Strawberry Music Player
* Copyright 2019, 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 <QStandardPaths>
#include <QMimeDatabase>
#include <QFile>
#include <QDir>
#include <QList>
#include <QByteArray>
#include <QString>
#include <QUrl>
#include <QDateTime>
#include <QJsonValue>
#include <QJsonObject>
#include <QXmlStreamReader>
#include "core/logging.h"
#include "core/network.h"
#include "core/song.h"
#include "core/timeconstants.h"
#include "settings/qobuzsettingspage.h"
#include "qobuzservice.h"
#include "qobuzbaserequest.h"
#include "qobuzstreamurlrequest.h"
QobuzStreamURLRequest::QobuzStreamURLRequest(QobuzService *service, NetworkAccessManager *network, const QUrl &original_url, QObject *parent)
: QobuzBaseRequest(service, network, parent),
service_(service),
reply_(nullptr),
original_url_(original_url),
song_id_(original_url.path().toInt()),
tries_(0),
need_login_(false) {}
QobuzStreamURLRequest::~QobuzStreamURLRequest() {
if (reply_) {
disconnect(reply_, 0, nullptr, 0);
if (reply_->isRunning()) reply_->abort();
reply_->deleteLater();
}
}
void QobuzStreamURLRequest::LoginComplete(bool success, QString error) {
if (!need_login_) return;
need_login_ = false;
if (!success) {
emit StreamURLFinished(original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, ErrorsToHTML(errors_));
return;
}
Process();
}
void QobuzStreamURLRequest::Process() {
if (app_id().isEmpty() || app_secret().isEmpty()) {
emit StreamURLFinished(original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, tr("Missing Qobuz app ID or secret."));
return;
}
if (!authenticated()) {
need_login_ = true;
emit TryLogin();
return;
}
GetStreamURL();
}
void QobuzStreamURLRequest::Cancel() {
if (reply_ && reply_->isRunning()) {
reply_->abort();
}
else {
emit StreamURLFinished(original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, tr("Cancelled."));
}
}
void QobuzStreamURLRequest::GetStreamURL() {
++tries_;
if (reply_) {
disconnect(reply_, 0, nullptr, 0);
if (reply_->isRunning()) reply_->abort();
reply_->deleteLater();
}
quint64 timestamp = QDateTime::currentDateTime().toTime_t();
ParamList params_to_sign = ParamList() << Param("format_id", QString::number(format()))
<< Param("track_id", QString::number(song_id_));
std::sort(params_to_sign.begin(), params_to_sign.end());
QString data_to_sign;
data_to_sign += "trackgetFileUrl";
for (const Param &param : params_to_sign) {
EncodedParam encoded_param(QUrl::toPercentEncoding(param.first), QUrl::toPercentEncoding(param.second));
data_to_sign += param.first;
data_to_sign += param.second;
}
data_to_sign += QString::number(timestamp);
data_to_sign += app_secret();
QByteArray const digest = QCryptographicHash::hash(data_to_sign.toUtf8(), QCryptographicHash::Md5);
QString signature = QString::fromLatin1(digest.toHex()).rightJustified(32, '0').toLower();
ParamList params = params_to_sign;
params << Param("request_ts", QString::number(timestamp));
params << Param("request_sig", signature);
params << Param("user_auth_token", user_auth_token());
std::sort(params.begin(), params.end());
reply_ = CreateRequest(QString("track/getFileUrl"), params);
connect(reply_, SIGNAL(finished()), this, SLOT(StreamURLReceived()));
}
void QobuzStreamURLRequest::StreamURLReceived() {
if (!reply_) return;
disconnect(reply_, 0, nullptr, 0);
reply_->deleteLater();
QByteArray data = GetReplyData(reply_);
if (data.isEmpty()) {
reply_ = nullptr;
if (!authenticated() && login_sent() && tries_ <= 1) {
need_login_ = true;
return;
}
emit StreamURLFinished(original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, ErrorsToHTML(errors_));
return;
}
reply_ = nullptr;
QJsonObject json_obj = ExtractJsonObj(data);
if (json_obj.isEmpty()) {
emit StreamURLFinished(original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, ErrorsToHTML(errors_));
return;
}
if (!json_obj.contains("track_id")) {
Error("Invalid Json reply, stream url is missing track_id.", json_obj);
emit StreamURLFinished(original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, ErrorsToHTML(errors_));
return;
}
int track_id = json_obj["track_id"].toInt();
if (track_id != song_id_) {
Error("Incorrect track ID returned.", json_obj);
emit StreamURLFinished(original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, ErrorsToHTML(errors_));
return;
}
if (!json_obj.contains("mime_type") || !json_obj.contains("url")) {
Error("Invalid Json reply, stream url is missing url or mime_type.", json_obj);
emit StreamURLFinished(original_url_, original_url_, Song::FileType_Stream, -1, -1, -1, ErrorsToHTML(errors_));
return;
}
QUrl url(json_obj["url"].toString());
QString mimetype = json_obj["mime_type"].toString();
Song::FileType filetype(Song::FileType_Unknown);
QMimeDatabase mimedb;
for (QString suffix : mimedb.mimeTypeForName(mimetype.toUtf8()).suffixes()) {
filetype = Song::FiletypeByExtension(suffix);
if (filetype != Song::FileType_Unknown) break;
}
if (filetype == Song::FileType_Unknown) {
qLog(Debug) << "Qobuz: Unknown mimetype" << mimetype;
filetype = Song::FileType_Stream;
}
if (!url.isValid()) {
Error("Returned stream url is invalid.", json_obj);
emit StreamURLFinished(original_url_, original_url_, filetype, -1, -1, -1, ErrorsToHTML(errors_));
return;
}
qint64 duration = -1;
if (json_obj.contains("duration")) {
duration = json_obj["duration"].toDouble() * kNsecPerSec;
}
int samplerate = -1;
if (json_obj.contains("sampling_rate")) {
samplerate = json_obj["sampling_rate"].toDouble() * 1000;
}
int bit_depth = -1;
if (json_obj.contains("bit_depth")) {
bit_depth = json_obj["bit_depth"].toDouble();
}
emit StreamURLFinished(original_url_, url, filetype, samplerate, bit_depth, duration);
}
void QobuzStreamURLRequest::Error(const QString &error, const QVariant &debug) {
if (!error.isEmpty()) {
qLog(Error) << "Qobuz:" << error;
errors_ << error;
}
if (debug.isValid()) qLog(Debug) << debug;
}