Move some proxy config code out of src/chrome

chrome/browser/chromeos/net/proxy_config_handler.cc

-// 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/memory/ptr_util.h"
-#include "base/values.h"
-#include "chrome/browser/chromeos/net/onc_utils.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 "chromeos/network/onc/onc_utils.h"
-#include "components/pref_registry/pref_registry_syncable.h"
-#include "components/prefs/pref_registry_simple.h"
-#include "components/proxy_config/proxy_config_dictionary.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 {
-
-std::unique_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 std::unique_ptr<ProxyConfigDictionary>();
-    }
-
-    std::unique_ptr<base::DictionaryValue> proxy_dict =
-        onc::ConvertOncProxySettingsToProxyConfig(*proxy_policy);
-    return base::MakeUnique<ProxyConfigDictionary>(proxy_dict.get());
-  }
-
-  if (network.profile_path().empty())
-    return std::unique_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 std::unique_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 std::unique_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 std::unique_ptr<ProxyConfigDictionary>();
-  return base::MakeUnique<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()));
-  }
-}
-
-}  // namespace proxy_config
-
-}  // namespace chromeos