233 lines
6.8 KiB
C++
233 lines
6.8 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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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 <QtGlobal>
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#include <QCoreApplication>
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#include <QObject>
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#include <QStandardPaths>
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#include <QMutex>
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#include <QIODevice>
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#include <QString>
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#include <QUrl>
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#include <QNetworkAccessManager>
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#include <QNetworkRequest>
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#include <QNetworkReply>
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#include <QNetworkDiskCache>
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#include <QNetworkCacheMetaData>
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#include <QAbstractNetworkCache>
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#include "core/closure.h"
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#include "network.h"
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QMutex ThreadSafeNetworkDiskCache::sMutex;
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QNetworkDiskCache *ThreadSafeNetworkDiskCache::sCache = nullptr;
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ThreadSafeNetworkDiskCache::ThreadSafeNetworkDiskCache(QObject *parent)
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: QAbstractNetworkCache(parent) {
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QMutexLocker l(&sMutex);
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if (!sCache) {
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sCache = new QNetworkDiskCache;
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#ifdef Q_OS_WIN32
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sCache->setCacheDirectory(QStandardPaths::writableLocation(QStandardPaths::TempLocation) + "/strawberry/networkcache");
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#else
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sCache->setCacheDirectory(QStandardPaths::writableLocation(QStandardPaths::CacheLocation) + "/networkcache");
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#endif
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}
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}
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qint64 ThreadSafeNetworkDiskCache::cacheSize() const {
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QMutexLocker l(&sMutex);
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return sCache->cacheSize();
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}
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QIODevice *ThreadSafeNetworkDiskCache::data(const QUrl &url) {
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QMutexLocker l(&sMutex);
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return sCache->data(url);
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}
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void ThreadSafeNetworkDiskCache::insert(QIODevice *device) {
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QMutexLocker l(&sMutex);
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sCache->insert(device);
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}
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QNetworkCacheMetaData ThreadSafeNetworkDiskCache::metaData(const QUrl &url) {
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QMutexLocker l(&sMutex);
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return sCache->metaData(url);
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}
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QIODevice *ThreadSafeNetworkDiskCache::prepare(const QNetworkCacheMetaData &metaData) {
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QMutexLocker l(&sMutex);
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return sCache->prepare(metaData);
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}
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bool ThreadSafeNetworkDiskCache::remove(const QUrl &url) {
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QMutexLocker l(&sMutex);
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return sCache->remove(url);
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}
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void ThreadSafeNetworkDiskCache::updateMetaData(const QNetworkCacheMetaData &metaData) {
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QMutexLocker l(&sMutex);
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sCache->updateMetaData(metaData);
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}
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void ThreadSafeNetworkDiskCache::clear() {
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QMutexLocker l(&sMutex);
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sCache->clear();
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}
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NetworkAccessManager::NetworkAccessManager(QObject *parent)
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: QNetworkAccessManager(parent) {
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setCache(new ThreadSafeNetworkDiskCache(this));
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}
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QNetworkReply *NetworkAccessManager::createRequest(Operation op, const QNetworkRequest &request, QIODevice *outgoingData) {
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QByteArray user_agent = QString("%1 %2").arg(QCoreApplication::applicationName(), QCoreApplication::applicationVersion()).toUtf8();
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if (request.hasRawHeader("User-Agent")) {
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// Append the existing user-agent set by a client collection (such as libmygpo-qt).
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user_agent += " " + request.rawHeader("User-Agent");
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}
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QNetworkRequest new_request(request);
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new_request.setRawHeader("User-Agent", user_agent);
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if (op == QNetworkAccessManager::PostOperation && !new_request.header(QNetworkRequest::ContentTypeHeader).isValid()) {
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new_request.setHeader(QNetworkRequest::ContentTypeHeader, "application/x-www-form-urlencoded");
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}
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// Prefer the cache unless the caller has changed the setting already
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if (request.attribute(QNetworkRequest::CacheLoadControlAttribute).toInt() == QNetworkRequest::PreferNetwork) {
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new_request.setAttribute(QNetworkRequest::CacheLoadControlAttribute, QNetworkRequest::PreferCache);
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}
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return QNetworkAccessManager::createRequest(op, new_request, outgoingData);
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}
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NetworkTimeouts::NetworkTimeouts(int timeout_msec, QObject *parent)
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: QObject(parent), timeout_msec_(timeout_msec) {}
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void NetworkTimeouts::AddReply(QNetworkReply *reply) {
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if (timers_.contains(reply)) return;
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connect(reply, SIGNAL(destroyed()), SLOT(ReplyFinished()));
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connect(reply, SIGNAL(finished()), SLOT(ReplyFinished()));
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timers_[reply] = startTimer(timeout_msec_);
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}
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void NetworkTimeouts::AddReply(RedirectFollower *reply) {
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if (redirect_timers_.contains(reply)) {
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return;
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}
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NewClosure(reply, SIGNAL(destroyed()), this, SLOT(RedirectFinished(RedirectFollower*)), reply);
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NewClosure(reply, SIGNAL(finished()), this, SLOT(RedirectFinished(RedirectFollower*)), reply);
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redirect_timers_[reply] = startTimer(timeout_msec_);
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}
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void NetworkTimeouts::ReplyFinished() {
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QNetworkReply *reply = reinterpret_cast<QNetworkReply*>(sender());
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if (timers_.contains(reply)) {
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killTimer(timers_.take(reply));
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}
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}
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void NetworkTimeouts::RedirectFinished(RedirectFollower *reply) {
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if (redirect_timers_.contains(reply)) {
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killTimer(redirect_timers_.take(reply));
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}
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}
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void NetworkTimeouts::timerEvent(QTimerEvent *e) {
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QNetworkReply *reply = timers_.key(e->timerId());
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if (reply) {
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reply->abort();
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}
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RedirectFollower *redirect = redirect_timers_.key(e->timerId());
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if (redirect) {
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redirect->abort();
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}
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}
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RedirectFollower::RedirectFollower(QNetworkReply *first_reply, int max_redirects) : QObject(nullptr), current_reply_(first_reply), redirects_remaining_(max_redirects) {
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ConnectReply(first_reply);
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}
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void RedirectFollower::ConnectReply(QNetworkReply *reply) {
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connect(reply, SIGNAL(readyRead()), SLOT(ReadyRead()));
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connect(reply, SIGNAL(error(QNetworkReply::NetworkError)), SIGNAL(error(QNetworkReply::NetworkError)));
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connect(reply, SIGNAL(downloadProgress(qint64,qint64)), SIGNAL(downloadProgress(qint64,qint64)));
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connect(reply, SIGNAL(uploadProgress(qint64,qint64)), SIGNAL(uploadProgress(qint64,qint64)));
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connect(reply, SIGNAL(finished()), SLOT(ReplyFinished()));
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}
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void RedirectFollower::ReadyRead() {
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// Don't re-emit this signal for redirect replies.
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if (current_reply_->attribute(QNetworkRequest::RedirectionTargetAttribute).isValid()) {
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return;
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}
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emit readyRead();
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}
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void RedirectFollower::ReplyFinished() {
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current_reply_->deleteLater();
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if (current_reply_->attribute(QNetworkRequest::RedirectionTargetAttribute).isValid()) {
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if (redirects_remaining_-- == 0) {
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emit finished();
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return;
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}
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const QUrl next_url = current_reply_->url().resolved(current_reply_->attribute(QNetworkRequest::RedirectionTargetAttribute).toUrl());
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QNetworkRequest req(current_reply_->request());
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req.setUrl(next_url);
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current_reply_ = current_reply_->manager()->get(req);
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ConnectReply(current_reply_);
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return;
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}
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emit finished();
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}
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