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// Copyright 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/ui_proxy_config_service.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/values.h"
#include "chrome/browser/chromeos/net/proxy_config_handler.h"
#include "chrome/browser/chromeos/proxy_config_service_impl.h"
#include "chromeos/network/network_state.h"
#include "chromeos/network/network_state_handler.h"
#include "grit/generated_resources.h"
#include "net/proxy/proxy_config.h"
namespace chromeos {
namespace {
const char* ModeToString(UIProxyConfig::Mode mode) {
switch (mode) {
case UIProxyConfig::MODE_DIRECT:
return "direct";
case UIProxyConfig::MODE_AUTO_DETECT:
return "auto-detect";
case UIProxyConfig::MODE_PAC_SCRIPT:
return "pacurl";
case UIProxyConfig::MODE_SINGLE_PROXY:
return "single-proxy";
case UIProxyConfig::MODE_PROXY_PER_SCHEME:
return "proxy-per-scheme";
}
NOTREACHED() << "Unrecognized mode type";
return "";
}
// Writes the proxy config of |network| to |proxy_config|. Returns false if no
// proxy was configured for this network.
bool GetProxyConfig(const NetworkState& network,
net::ProxyConfig* proxy_config) {
scoped_ptr<ProxyConfigDictionary> proxy_dict =
proxy_config::GetProxyConfigForNetwork(network);
if (!proxy_dict)
return false;
return PrefProxyConfigTrackerImpl::PrefConfigToNetConfig(*proxy_dict,
proxy_config);
}
// Returns true if proxy settings of |network| are editable.
bool IsNetworkProxySettingsEditable(const NetworkState& network) {
onc::ONCSource source = network.onc_source();
return source != onc::ONC_SOURCE_DEVICE_POLICY &&
source != onc::ONC_SOURCE_USER_POLICY;
}
} // namespace
UIProxyConfigService::UIProxyConfigService() {
}
UIProxyConfigService::~UIProxyConfigService() {
}
void UIProxyConfigService::SetPrefs(PrefService* pref_service) {
pref_service_ = pref_service;
}
void UIProxyConfigService::SetCurrentNetwork(
const std::string& current_network) {
const NetworkState* network = NULL;
if (!current_network.empty()) {
network = NetworkHandler::Get()->network_state_handler()->GetNetworkState(
current_network);
LOG_IF(ERROR, !network)
<< "Can't find requested network " << current_network;
}
current_ui_network_ = current_network;
if (!network) {
current_ui_network_.clear();
current_ui_config_ = UIProxyConfig();
return;
}
DetermineEffectiveConfig(*network);
VLOG(1) << "Current ui network: "
<< network->name()
<< ", " << ModeToString(current_ui_config_.mode) << ", "
<< ProxyPrefs::ConfigStateToDebugString(current_ui_config_.state)
<< ", modifiable:" << current_ui_config_.user_modifiable;
}
void UIProxyConfigService::GetProxyConfig(UIProxyConfig* config) const {
*config = current_ui_config_;
}
void UIProxyConfigService::SetProxyConfig(const UIProxyConfig& config) {
current_ui_config_ = config;
if (current_ui_network_.empty())
return;
const NetworkState* network =
NetworkHandler::Get()->network_state_handler()->
GetNetworkState(current_ui_network_);
if (!network) {
LOG(ERROR) << "Can't find requested network " << current_ui_network_;
return;
}
// Store config for this network.
scoped_ptr<base::DictionaryValue> proxy_config_value(
config.ToPrefProxyConfig());
ProxyConfigDictionary proxy_config_dict(proxy_config_value.get());
VLOG(1) << "Set proxy for " << current_ui_network_
<< " to " << *proxy_config_value;
proxy_config::SetProxyConfigForNetwork(proxy_config_dict, *network);
current_ui_config_.state = ProxyPrefs::CONFIG_SYSTEM;
}
void UIProxyConfigService::DetermineEffectiveConfig(
const NetworkState& network) {
DCHECK(pref_service_);
// Get prefs proxy config if available.
net::ProxyConfig pref_config;
ProxyPrefs::ConfigState pref_state = ProxyConfigServiceImpl::ReadPrefConfig(
pref_service_, &pref_config);
// Get network proxy config if available.
net::ProxyConfig network_config;
net::ProxyConfigService::ConfigAvailability network_availability =
net::ProxyConfigService::CONFIG_UNSET;
if (chromeos::GetProxyConfig(network, &network_config)) {
// Network is private or shared with user using shared proxies.
VLOG(1) << this << ": using network proxy: " << network.proxy_config();
network_availability = net::ProxyConfigService::CONFIG_VALID;
}
// Determine effective proxy config, either from prefs or network.
ProxyPrefs::ConfigState effective_config_state;
net::ProxyConfig effective_config;
ProxyConfigServiceImpl::GetEffectiveProxyConfig(
pref_state, pref_config,
network_availability, network_config, false,
&effective_config_state, &effective_config);
// Store effective proxy into |current_ui_config_|.
current_ui_config_.FromNetProxyConfig(effective_config);
current_ui_config_.state = effective_config_state;
if (ProxyConfigServiceImpl::PrefPrecedes(effective_config_state)) {
current_ui_config_.user_modifiable = false;
} else if (!IsNetworkProxySettingsEditable(network)) {
// TODO(xiyuan): Figure out the right way to set config state for managed
// network.
current_ui_config_.state = ProxyPrefs::CONFIG_POLICY;
current_ui_config_.user_modifiable = false;
} else {
current_ui_config_.user_modifiable =
!ProxyConfigServiceImpl::IgnoreProxy(pref_service_,
network.profile_path(),
network.onc_source());
}
}
} // namespace chromeos
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