strawberry-audio-player-win.../src/core/network.cpp

144 lines
4.4 KiB
C++

/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
* Copyright 2018-2019, 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 <type_traits>
#include <QtGlobal>
#include <QObject>
#include <QCoreApplication>
#include <QStandardPaths>
#include <QIODevice>
#include <QMutex>
#include <QVariant>
#include <QByteArray>
#include <QString>
#include <QUrl>
#include <QNetworkAccessManager>
#include <QNetworkRequest>
#include <QNetworkReply>
#include <QNetworkDiskCache>
#include <QNetworkCacheMetaData>
#include <QAbstractNetworkCache>
#include "network.h"
QMutex ThreadSafeNetworkDiskCache::sMutex;
ThreadSafeNetworkDiskCache *ThreadSafeNetworkDiskCache::sInstance = nullptr;
QNetworkDiskCache *ThreadSafeNetworkDiskCache::sCache = nullptr;
ThreadSafeNetworkDiskCache::ThreadSafeNetworkDiskCache(QObject *parent) : QAbstractNetworkCache(parent) {
QMutexLocker l(&sMutex);
if (!sCache) {
sInstance = this;
sCache = new QNetworkDiskCache;
#ifdef Q_OS_WIN32
sCache->setCacheDirectory(QStandardPaths::writableLocation(QStandardPaths::TempLocation) + "/strawberry/networkcache");
#else
sCache->setCacheDirectory(QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + "/networkcache");
#endif
}
}
ThreadSafeNetworkDiskCache::~ThreadSafeNetworkDiskCache() {
if (this == sInstance) delete sCache;
}
qint64 ThreadSafeNetworkDiskCache::cacheSize() const {
QMutexLocker l(&sMutex);
return sCache->cacheSize();
}
QIODevice *ThreadSafeNetworkDiskCache::data(const QUrl &url) {
QMutexLocker l(&sMutex);
return sCache->data(url);
}
void ThreadSafeNetworkDiskCache::insert(QIODevice *device) {
QMutexLocker l(&sMutex);
sCache->insert(device);
}
QNetworkCacheMetaData ThreadSafeNetworkDiskCache::metaData(const QUrl &url) {
QMutexLocker l(&sMutex);
return sCache->metaData(url);
}
QIODevice *ThreadSafeNetworkDiskCache::prepare(const QNetworkCacheMetaData &metaData) {
QMutexLocker l(&sMutex);
return sCache->prepare(metaData);
}
bool ThreadSafeNetworkDiskCache::remove(const QUrl &url) {
QMutexLocker l(&sMutex);
return sCache->remove(url);
}
void ThreadSafeNetworkDiskCache::updateMetaData(const QNetworkCacheMetaData &metaData) {
QMutexLocker l(&sMutex);
sCache->updateMetaData(metaData);
}
void ThreadSafeNetworkDiskCache::clear() {
QMutexLocker l(&sMutex);
sCache->clear();
}
NetworkAccessManager::NetworkAccessManager(QObject *parent)
: QNetworkAccessManager(parent) {
#if (QT_VERSION >= QT_VERSION_CHECK(5, 9, 0))
setRedirectPolicy(QNetworkRequest::NoLessSafeRedirectPolicy);
#endif
setCache(new ThreadSafeNetworkDiskCache(this));
}
QNetworkReply *NetworkAccessManager::createRequest(Operation op, const QNetworkRequest &request, QIODevice *outgoingData) {
QByteArray user_agent;
if (request.hasRawHeader("User-Agent")) {
user_agent = request.rawHeader("User-Agent");
}
else {
user_agent = QString("%1 %2").arg(QCoreApplication::applicationName(), QCoreApplication::applicationVersion()).toUtf8();
}
QNetworkRequest new_request(request);
new_request.setAttribute(QNetworkRequest::FollowRedirectsAttribute, true);
new_request.setRawHeader("User-Agent", user_agent);
if (op == QNetworkAccessManager::PostOperation && !new_request.header(QNetworkRequest::ContentTypeHeader).isValid()) {
new_request.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded");
}
// Prefer the cache unless the caller has changed the setting already
if (request.attribute(QNetworkRequest::CacheLoadControlAttribute).toInt() == QNetworkRequest::PreferNetwork) {
new_request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
}
return QNetworkAccessManager::createRequest(op, new_request, outgoingData);
}