chrome/browser/chromeos/net/proxy_config_handler.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chromeos/net/proxy_config_handler.h"
   6
   7 #include "base/bind.h"
   8 #include "base/json/json_writer.h"
   9 #include "base/logging.h"
  10 #include "base/prefs/pref_registry_simple.h"
  11 #include "base/values.h"
  12 #include "chrome/browser/chromeos/net/onc_utils.h"
  13 #include "chrome/common/pref_names.h"
  14 #include "chromeos/dbus/dbus_thread_manager.h"
  15 #include "chromeos/dbus/shill_service_client.h"
  16 #include "chromeos/network/network_handler_callbacks.h"
  17 #include "chromeos/network/network_profile.h"
  18 #include "chromeos/network/network_profile_handler.h"
  19 #include "chromeos/network/network_state.h"
  20 #include "chromeos/network/network_state_handler.h"
  21 #include "chromeos/network/onc/onc_utils.h"
  22 #include "components/pref_registry/pref_registry_syncable.h"
  23 #include "components/proxy_config/proxy_config_dictionary.h"
  24 #include "dbus/object_path.h"
  25 #include "third_party/cros_system_api/dbus/service_constants.h"
  26
  27 namespace chromeos {
  28
  29 namespace {
  30
  31 void NotifyNetworkStateHandler(const std::string& service_path) {
  32   if (NetworkHandler::IsInitialized()) {
  33     NetworkHandler::Get()->network_state_handler()->RequestUpdateForNetwork(
  34         service_path);
  35   }
  36 }
  37
  38 }  // namespace
  39
  40 namespace proxy_config {
  41
  42 scoped_ptr<ProxyConfigDictionary> GetProxyConfigForNetwork(
  43     const PrefService* profile_prefs,
  44     const PrefService* local_state_prefs,
  45     const NetworkState& network,
  46     ::onc::ONCSource* onc_source) {
  47   const base::DictionaryValue* network_policy =
  48       onc::GetPolicyForNetwork(
  49           profile_prefs, local_state_prefs, network, onc_source);
  50
  51   if (network_policy) {
  52     const base::DictionaryValue* proxy_policy = NULL;
  53     network_policy->GetDictionaryWithoutPathExpansion(
  54         ::onc::network_config::kProxySettings, &proxy_policy);
  55     if (!proxy_policy) {
  56       // This policy doesn't set a proxy for this network. Nonetheless, this
  57       // disallows changes by the user.
  58       return scoped_ptr<ProxyConfigDictionary>();
  59     }
  60
  61     scoped_ptr<base::DictionaryValue> proxy_dict =
  62         onc::ConvertOncProxySettingsToProxyConfig(*proxy_policy);
  63     return make_scoped_ptr(new ProxyConfigDictionary(proxy_dict.get()));
  64   }
  65
  66   if (network.profile_path().empty())
  67     return scoped_ptr<ProxyConfigDictionary>();
  68
  69   const NetworkProfile* profile = NetworkHandler::Get()
  70       ->network_profile_handler()->GetProfileForPath(network.profile_path());
  71   if (!profile) {
  72     VLOG(1) << "Unknown profile_path '" << network.profile_path() << "'.";
  73     return scoped_ptr<ProxyConfigDictionary>();
  74   }
  75   if (!profile_prefs && profile->type() == NetworkProfile::TYPE_USER) {
  76     // This case occurs, for example, if called from the proxy config tracker
  77     // created for the system request context and the signin screen. Both don't
  78     // use profile prefs and shouldn't depend on the user's not shared proxy
  79     // settings.
  80     VLOG(1)
  81         << "Don't use unshared settings for system context or signin screen.";
  82     return scoped_ptr<ProxyConfigDictionary>();
  83   }
  84
  85   // No policy set for this network, read instead the user's (shared or
  86   // unshared) configuration.
  87   // The user's proxy setting is not stored in the Chrome preference yet. We
  88   // still rely on Shill storing it.
  89   const base::DictionaryValue& value = network.proxy_config();
  90   if (value.empty())
  91     return scoped_ptr<ProxyConfigDictionary>();
  92   return make_scoped_ptr(new ProxyConfigDictionary(&value));
  93 }
  94
  95 void SetProxyConfigForNetwork(const ProxyConfigDictionary& proxy_config,
  96                               const NetworkState& network) {
  97   chromeos::ShillServiceClient* shill_service_client =
  98       DBusThreadManager::Get()->GetShillServiceClient();
  99
 100   // The user's proxy setting is not stored in the Chrome preference yet. We
 101   // still rely on Shill storing it.
 102   ProxyPrefs::ProxyMode mode;
 103   if (!proxy_config.GetMode(&mode) || mode == ProxyPrefs::MODE_DIRECT) {
 104     // Return empty string for direct mode for portal check to work correctly.
 105     // TODO(pneubeck): Consider removing this legacy code.
 106     shill_service_client->ClearProperty(
 107         dbus::ObjectPath(network.path()),
 108         shill::kProxyConfigProperty,
 109         base::Bind(&NotifyNetworkStateHandler, network.path()),
 110         base::Bind(&network_handler::ShillErrorCallbackFunction,
 111                    "SetProxyConfig.ClearProperty Failed",
 112                    network.path(),
 113                    network_handler::ErrorCallback()));
 114   } else {
 115     std::string proxy_config_str;
 116     base::JSONWriter::Write(proxy_config.GetDictionary(), &proxy_config_str);
 117     shill_service_client->SetProperty(
 118         dbus::ObjectPath(network.path()),
 119         shill::kProxyConfigProperty,
 120         base::StringValue(proxy_config_str),
 121         base::Bind(&NotifyNetworkStateHandler, network.path()),
 122         base::Bind(&network_handler::ShillErrorCallbackFunction,
 123                    "SetProxyConfig.SetProperty Failed",
 124                    network.path(),
 125                    network_handler::ErrorCallback()));
 126   }
 127 }
 128
 129 void RegisterPrefs(PrefRegistrySimple* registry) {
 130   registry->RegisterListPref(prefs::kDeviceOpenNetworkConfiguration);
 131 }
 132
 133 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
 134   registry->RegisterBooleanPref(prefs::kUseSharedProxies, false);
 135
 136   registry->RegisterListPref(prefs::kOpenNetworkConfiguration);
 137 }
 138
 139 }  // namespace proxy_config
 140
 141 }  // namespace chromeos