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// Copyright (c) 2013 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 file.
#include "chrome/browser/chromeos/net/proxy_config_handler.h"
#include "base/bind.h"
#include "base/json/json_writer.h"
#include "base/logging.h"
#include "base/prefs/pref_registry_simple.h"
#include "base/values.h"
#include "chrome/browser/chromeos/net/onc_utils.h"
#include "chrome/browser/prefs/proxy_config_dictionary.h"
#include "chrome/common/pref_names.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/shill_service_client.h"
#include "chromeos/network/network_handler_callbacks.h"
#include "chromeos/network/network_profile.h"
#include "chromeos/network/network_profile_handler.h"
#include "chromeos/network/network_state.h"
#include "chromeos/network/network_state_handler.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "dbus/object_path.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace chromeos {
namespace {
void NotifyNetworkStateHandler(const std::string& service_path) {
if (NetworkHandler::IsInitialized()) {
NetworkHandler::Get()->network_state_handler()->RequestUpdateForNetwork(
service_path);
}
}
} // namespace
namespace proxy_config {
scoped_ptr<ProxyConfigDictionary> GetProxyConfigForNetwork(
const PrefService* profile_prefs,
const PrefService* local_state_prefs,
const NetworkState& network,
::onc::ONCSource* onc_source) {
const base::DictionaryValue* network_policy =
onc::GetPolicyForNetwork(
profile_prefs, local_state_prefs, network, onc_source);
if (network_policy) {
const base::DictionaryValue* proxy_policy = NULL;
network_policy->GetDictionaryWithoutPathExpansion(
::onc::network_config::kProxySettings, &proxy_policy);
if (!proxy_policy) {
// This policy doesn't set a proxy for this network. Nonetheless, this
// disallows changes by the user.
return scoped_ptr<ProxyConfigDictionary>();
}
scoped_ptr<base::DictionaryValue> proxy_dict =
onc::ConvertOncProxySettingsToProxyConfig(*proxy_policy);
return make_scoped_ptr(new ProxyConfigDictionary(proxy_dict.get()));
}
if (network.profile_path().empty())
return scoped_ptr<ProxyConfigDictionary>();
const NetworkProfile* profile = NetworkHandler::Get()
->network_profile_handler()->GetProfileForPath(network.profile_path());
if (!profile) {
VLOG(1) << "Unknown profile_path '" << network.profile_path() << "'.";
return scoped_ptr<ProxyConfigDictionary>();
}
if (!profile_prefs && profile->type() == NetworkProfile::TYPE_USER) {
// This case occurs, for example, if called from the proxy config tracker
// created for the system request context and the signin screen. Both don't
// use profile prefs and shouldn't depend on the user's not shared proxy
// settings.
VLOG(1)
<< "Don't use unshared settings for system context or signin screen.";
return scoped_ptr<ProxyConfigDictionary>();
}
// No policy set for this network, read instead the user's (shared or
// unshared) configuration.
// The user's proxy setting is not stored in the Chrome preference yet. We
// still rely on Shill storing it.
const base::DictionaryValue& value = network.proxy_config();
if (value.empty())
return scoped_ptr<ProxyConfigDictionary>();
return make_scoped_ptr(new ProxyConfigDictionary(&value));
}
void SetProxyConfigForNetwork(const ProxyConfigDictionary& proxy_config,
const NetworkState& network) {
chromeos::ShillServiceClient* shill_service_client =
DBusThreadManager::Get()->GetShillServiceClient();
// The user's proxy setting is not stored in the Chrome preference yet. We
// still rely on Shill storing it.
ProxyPrefs::ProxyMode mode;
if (!proxy_config.GetMode(&mode) || mode == ProxyPrefs::MODE_DIRECT) {
// Return empty string for direct mode for portal check to work correctly.
// TODO(pneubeck): Consider removing this legacy code.
shill_service_client->ClearProperty(
dbus::ObjectPath(network.path()),
shill::kProxyConfigProperty,
base::Bind(&NotifyNetworkStateHandler, network.path()),
base::Bind(&network_handler::ShillErrorCallbackFunction,
"SetProxyConfig.ClearProperty Failed",
network.path(),
network_handler::ErrorCallback()));
} else {
std::string proxy_config_str;
base::JSONWriter::Write(&proxy_config.GetDictionary(), &proxy_config_str);
shill_service_client->SetProperty(
dbus::ObjectPath(network.path()),
shill::kProxyConfigProperty,
base::StringValue(proxy_config_str),
base::Bind(&NotifyNetworkStateHandler, network.path()),
base::Bind(&network_handler::ShillErrorCallbackFunction,
"SetProxyConfig.SetProperty Failed",
network.path(),
network_handler::ErrorCallback()));
}
}
void RegisterPrefs(PrefRegistrySimple* registry) {
registry->RegisterListPref(prefs::kDeviceOpenNetworkConfiguration);
}
void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
registry->RegisterBooleanPref(
prefs::kUseSharedProxies,
false,
user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
registry->RegisterListPref(prefs::kOpenNetworkConfiguration,
user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
}
} // namespace proxy_config
} // namespace chromeos
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