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// Copyright (c) 2012 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/policy/network_configuration_updater.h"
#include <string>
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "chrome/browser/chromeos/cros/network_library.h"
#include "chrome/browser/policy/policy_map.h"
#include "policy/policy_constants.h"
namespace policy {
const char NetworkConfigurationUpdater::kEmptyConfiguration[] =
"{\"NetworkConfigurations\":[],\"Certificates\":[]}";
NetworkConfigurationUpdater::NetworkConfigurationUpdater(
PolicyService* policy_service,
chromeos::NetworkLibrary* network_library)
: policy_change_registrar_(
policy_service, POLICY_DOMAIN_CHROME, std::string()),
network_library_(network_library) {
DCHECK(network_library_);
policy_change_registrar_.Observe(
key::kDeviceOpenNetworkConfiguration,
base::Bind(&NetworkConfigurationUpdater::ApplyNetworkConfiguration,
base::Unretained(this),
chromeos::NetworkUIData::ONC_SOURCE_DEVICE_POLICY,
&device_network_config_));
policy_change_registrar_.Observe(
key::kOpenNetworkConfiguration,
base::Bind(&NetworkConfigurationUpdater::ApplyNetworkConfiguration,
base::Unretained(this),
chromeos::NetworkUIData::ONC_SOURCE_USER_POLICY,
&user_network_config_));
// Apply the current values immediately.
const PolicyMap& policies = policy_service->GetPolicies(POLICY_DOMAIN_CHROME,
std::string());
ApplyNetworkConfiguration(
chromeos::NetworkUIData::ONC_SOURCE_DEVICE_POLICY,
&device_network_config_,
NULL,
policies.GetValue(key::kDeviceOpenNetworkConfiguration));
ApplyNetworkConfiguration(
chromeos::NetworkUIData::ONC_SOURCE_USER_POLICY,
&user_network_config_,
NULL,
policies.GetValue(key::kOpenNetworkConfiguration));
}
NetworkConfigurationUpdater::~NetworkConfigurationUpdater() {}
void NetworkConfigurationUpdater::ApplyNetworkConfiguration(
chromeos::NetworkUIData::ONCSource onc_source,
std::string* cached_value,
const base::Value* previous,
const base::Value* current) {
std::string new_network_config;
if (current != NULL) {
// If the policy is not a string, we issue a warning, but still clear the
// network configuration.
if (!current->GetAsString(&new_network_config))
LOG(WARNING) << "Invalid network configuration.";
}
// We need to load an empty configuration to get rid of any configuration
// that has been installed previously. An empty string also works, but
// generates warnings and errors, which we'd like to avoid.
if (new_network_config.empty())
new_network_config = kEmptyConfiguration;
if (*cached_value != new_network_config) {
*cached_value = new_network_config;
std::string error;
if (!network_library_->LoadOncNetworks(new_network_config, "", onc_source,
&error)) {
LOG(WARNING) << "Network library failed to load ONC configuration:"
<< error;
}
}
}
} // namespace policy
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