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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtWebEngine module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
//================ Based on ChromeProxyConfigService =======================
// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE.Chromium file.
#include "proxy_config_service_qt.h"
#include "base/bind.h"
#include "components/proxy_config/pref_proxy_config_tracker_impl.h"
#include "content/public/browser/browser_thread.h"
#include "net/proxy_resolution/configured_proxy_resolution_service.h"
using content::BrowserThread;
net::ProxyServer ProxyConfigServiceQt::fromQNetworkProxy(const QNetworkProxy &qtProxy)
{
net::HostPortPair hostPortPair(qtProxy.hostName().toStdString(), qtProxy.port());
switch (qtProxy.type()) {
case QNetworkProxy::Socks5Proxy:
return net::ProxyServer(net::ProxyServer::SCHEME_SOCKS5, hostPortPair);
case QNetworkProxy::HttpProxy:
case QNetworkProxy::HttpCachingProxy:
case QNetworkProxy::FtpCachingProxy:
return net::ProxyServer(net::ProxyServer::SCHEME_HTTP, hostPortPair);
case QNetworkProxy::NoProxy:
case QNetworkProxy::DefaultProxy:
return net::ProxyServer(net::ProxyServer::SCHEME_DIRECT, net::HostPortPair());
default:
return net::ProxyServer(net::ProxyServer::SCHEME_INVALID, net::HostPortPair());
}
}
ProxyConfigServiceQt::ProxyConfigServiceQt(PrefService *prefService,
const scoped_refptr<base::SingleThreadTaskRunner> &taskRunner)
: m_baseService(net::ConfiguredProxyResolutionService::CreateSystemProxyConfigService(taskRunner))
, m_usesSystemConfiguration(false)
, m_registeredObserver(false)
, m_prefState(prefService
? PrefProxyConfigTrackerImpl::ReadPrefConfig(prefService, &m_prefConfig)
: ProxyPrefs::CONFIG_UNSET)
{
DETACH_FROM_SEQUENCE(m_sequenceChecker);
}
ProxyConfigServiceQt::~ProxyConfigServiceQt()
{
DCHECK_CALLED_ON_VALID_SEQUENCE(m_sequenceChecker);
if (m_registeredObserver && m_baseService.get())
m_baseService->RemoveObserver(this);
}
void ProxyConfigServiceQt::AddObserver(net::ProxyConfigService::Observer *observer)
{
DCHECK_CALLED_ON_VALID_SEQUENCE(m_sequenceChecker);
m_observers.AddObserver(observer);
}
void ProxyConfigServiceQt::RemoveObserver(net::ProxyConfigService::Observer *observer)
{
DCHECK_CALLED_ON_VALID_SEQUENCE(m_sequenceChecker);
m_observers.RemoveObserver(observer);
}
net::ProxyConfigService::ConfigAvailability ProxyConfigServiceQt::GetLatestProxyConfig(net::ProxyConfigWithAnnotation *config)
{
DCHECK_CALLED_ON_VALID_SEQUENCE(m_sequenceChecker);
m_usesSystemConfiguration = QNetworkProxyFactory::usesSystemConfiguration();
if (m_usesSystemConfiguration) {
// Use Chromium's base service to retrieve system settings
net::ProxyConfigWithAnnotation systemConfig;
ConfigAvailability systemAvailability = net::ProxyConfigService::CONFIG_UNSET;
if (m_baseService.get())
systemAvailability = m_baseService->GetLatestProxyConfig(&systemConfig);
ProxyPrefs::ConfigState configState;
systemAvailability = PrefProxyConfigTrackerImpl::GetEffectiveProxyConfig(
m_prefState, m_prefConfig, systemAvailability, systemConfig,
false, &configState, config);
RegisterObserver();
return systemAvailability;
}
// Use QNetworkProxy::applicationProxy settings
const QNetworkProxy &qtProxy = QNetworkProxy::applicationProxy();
if (qtProxy == m_qtApplicationProxy && !m_qtProxyConfig.proxy_rules().empty()) {
// no changes
*config = net::ProxyConfigWithAnnotation(m_qtProxyConfig, config->traffic_annotation());
return CONFIG_VALID;
}
m_qtApplicationProxy = qtProxy;
m_qtProxyConfig = net::ProxyConfig();
net::ProxyConfig::ProxyRules qtRules;
net::ProxyServer server = fromQNetworkProxy(qtProxy);
switch (qtProxy.type()) {
case QNetworkProxy::HttpProxy:
case QNetworkProxy::Socks5Proxy:
qtRules.type = net::ProxyConfig::ProxyRules::Type::PROXY_LIST;
qtRules.single_proxies.SetSingleProxyServer(server);
break;
case QNetworkProxy::HttpCachingProxy:
qtRules.type = net::ProxyConfig::ProxyRules::Type::PROXY_LIST_PER_SCHEME;
qtRules.proxies_for_http.SetSingleProxyServer(server);
break;
case QNetworkProxy::FtpCachingProxy:
qtRules.type = net::ProxyConfig::ProxyRules::Type::PROXY_LIST_PER_SCHEME;
qtRules.proxies_for_ftp.SetSingleProxyServer(server);
break;
default:
qtRules.type = net::ProxyConfig::ProxyRules::Type::EMPTY;
}
qtRules.bypass_rules.PrependRuleToBypassSimpleHostnames(); // don't use proxy for connections to localhost
m_qtProxyConfig.proxy_rules() = qtRules;
*config = net::ProxyConfigWithAnnotation(m_qtProxyConfig, config->traffic_annotation());
return CONFIG_VALID;
}
void ProxyConfigServiceQt::OnLazyPoll()
{
DCHECK_CALLED_ON_VALID_SEQUENCE(m_sequenceChecker);
// We need to update if
// - setUseSystemConfiguration() was called in between
// - user changed application proxy
if (m_usesSystemConfiguration != QNetworkProxyFactory::usesSystemConfiguration()
|| (!m_usesSystemConfiguration && m_qtApplicationProxy != QNetworkProxy::applicationProxy())) {
Update();
} else if (m_usesSystemConfiguration) {
if (m_baseService.get())
m_baseService->OnLazyPoll();
}
}
// Called when the base service changed
void ProxyConfigServiceQt::OnProxyConfigChanged(const net::ProxyConfigWithAnnotation &config, ConfigAvailability availability)
{
DCHECK_CALLED_ON_VALID_SEQUENCE(m_sequenceChecker);
Q_UNUSED(config);
if (!m_usesSystemConfiguration)
return;
Update();
}
// Update our observers
void ProxyConfigServiceQt::Update()
{
DCHECK_CALLED_ON_VALID_SEQUENCE(m_sequenceChecker);
net::ProxyConfigWithAnnotation actual_config;
ConfigAvailability availability = GetLatestProxyConfig(&actual_config);
if (availability == CONFIG_PENDING)
return;
for (net::ProxyConfigService::Observer &observer: m_observers)
observer.OnProxyConfigChanged(actual_config, availability);
}
// Register ourselves as observer of the base service.
// This has to be done on the IO thread, and therefore cannot be done
// in the constructor.
void ProxyConfigServiceQt::RegisterObserver()
{
DCHECK_CALLED_ON_VALID_SEQUENCE(m_sequenceChecker);
if (!m_registeredObserver && m_baseService.get()) {
m_baseService->AddObserver(this);
m_registeredObserver = true;
}
}
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