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/browser/prefs/proxy_config_dictionary.h"
14 #include "chrome/common/pref_names.h"
15 #include "chromeos/dbus/dbus_thread_manager.h"
16 #include "chromeos/dbus/shill_service_client.h"
17 #include "chromeos/network/favorite_state.h"
18 #include "chromeos/network/network_handler_callbacks.h"
19 #include "chromeos/network/network_profile.h"
20 #include "chromeos/network/network_profile_handler.h"
21 #include "chromeos/network/network_state_handler.h"
22 #include "components/user_prefs/pref_registry_syncable.h"
23 #include "dbus/object_path.h"
24 #include "third_party/cros_system_api/dbus/service_constants.h"
25
26 namespace chromeos {
27
28 namespace {
29
NotifyNetworkStateHandler(const std::string & service_path)30 void NotifyNetworkStateHandler(const std::string& service_path) {
31 if (NetworkHandler::IsInitialized()) {
32 NetworkHandler::Get()->network_state_handler()->RequestUpdateForNetwork(
33 service_path);
34 }
35 }
36
37 } // namespace
38
39 namespace proxy_config {
40
GetProxyConfigForFavoriteNetwork(const PrefService * profile_prefs,const PrefService * local_state_prefs,const FavoriteState & network,::onc::ONCSource * onc_source)41 scoped_ptr<ProxyConfigDictionary> GetProxyConfigForFavoriteNetwork(
42 const PrefService* profile_prefs,
43 const PrefService* local_state_prefs,
44 const FavoriteState& network,
45 ::onc::ONCSource* onc_source) {
46 const base::DictionaryValue* network_policy =
47 onc::GetPolicyForFavoriteNetwork(
48 profile_prefs, local_state_prefs, network, onc_source);
49
50 if (network_policy) {
51 const base::DictionaryValue* proxy_policy = NULL;
52 network_policy->GetDictionaryWithoutPathExpansion(
53 ::onc::network_config::kProxySettings, &proxy_policy);
54 if (!proxy_policy) {
55 // This policy doesn't set a proxy for this network. Nonetheless, this
56 // disallows changes by the user.
57 return scoped_ptr<ProxyConfigDictionary>();
58 }
59
60 scoped_ptr<base::DictionaryValue> proxy_dict =
61 onc::ConvertOncProxySettingsToProxyConfig(*proxy_policy);
62 return make_scoped_ptr(new ProxyConfigDictionary(proxy_dict.get()));
63 }
64
65 if (network.profile_path().empty())
66 return scoped_ptr<ProxyConfigDictionary>();
67
68 const NetworkProfile* profile = NetworkHandler::Get()
69 ->network_profile_handler()->GetProfileForPath(network.profile_path());
70 if (!profile) {
71 LOG(WARNING) << "Unknown profile_path '" << network.profile_path() << "'.";
72 return scoped_ptr<ProxyConfigDictionary>();
73 }
74 if (!profile_prefs && profile->type() == NetworkProfile::TYPE_USER) {
75 // This case occurs, for example, if called from the proxy config tracker
76 // created for the system request context and the signin screen. Both don't
77 // use profile prefs and shouldn't depend on the user's not shared proxy
78 // settings.
79 VLOG(1)
80 << "Don't use unshared settings for system context or signin screen.";
81 return scoped_ptr<ProxyConfigDictionary>();
82 }
83
84 // No policy set for this network, read instead the user's (shared or
85 // unshared) configuration.
86 // The user's proxy setting is not stored in the Chrome preference yet. We
87 // still rely on Shill storing it.
88 const base::DictionaryValue& value = network.proxy_config();
89 if (value.empty())
90 return scoped_ptr<ProxyConfigDictionary>();
91 return make_scoped_ptr(new ProxyConfigDictionary(&value));
92 }
93
SetProxyConfigForFavoriteNetwork(const ProxyConfigDictionary & proxy_config,const FavoriteState & network)94 void SetProxyConfigForFavoriteNetwork(const ProxyConfigDictionary& proxy_config,
95 const FavoriteState& network) {
96 chromeos::ShillServiceClient* shill_service_client =
97 DBusThreadManager::Get()->GetShillServiceClient();
98
99 // The user's proxy setting is not stored in the Chrome preference yet. We
100 // still rely on Shill storing it.
101 ProxyPrefs::ProxyMode mode;
102 if (!proxy_config.GetMode(&mode) || mode == ProxyPrefs::MODE_DIRECT) {
103 // Return empty string for direct mode for portal check to work correctly.
104 // TODO(pneubeck): Consider removing this legacy code.
105 shill_service_client->ClearProperty(
106 dbus::ObjectPath(network.path()),
107 shill::kProxyConfigProperty,
108 base::Bind(&NotifyNetworkStateHandler, network.path()),
109 base::Bind(&network_handler::ShillErrorCallbackFunction,
110 "SetProxyConfig.ClearProperty Failed",
111 network.path(),
112 network_handler::ErrorCallback()));
113 } else {
114 std::string proxy_config_str;
115 base::JSONWriter::Write(&proxy_config.GetDictionary(), &proxy_config_str);
116 shill_service_client->SetProperty(
117 dbus::ObjectPath(network.path()),
118 shill::kProxyConfigProperty,
119 base::StringValue(proxy_config_str),
120 base::Bind(&NotifyNetworkStateHandler, network.path()),
121 base::Bind(&network_handler::ShillErrorCallbackFunction,
122 "SetProxyConfig.SetProperty Failed",
123 network.path(),
124 network_handler::ErrorCallback()));
125 }
126 }
127
RegisterPrefs(PrefRegistrySimple * registry)128 void RegisterPrefs(PrefRegistrySimple* registry) {
129 registry->RegisterListPref(prefs::kDeviceOpenNetworkConfiguration);
130 }
131
RegisterProfilePrefs(user_prefs::PrefRegistrySyncable * registry)132 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
133 registry->RegisterBooleanPref(
134 prefs::kUseSharedProxies,
135 false,
136 user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
137
138 registry->RegisterListPref(prefs::kOpenNetworkConfiguration,
139 user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
140 }
141
142 } // namespace proxy_config
143
144 } // namespace chromeos
145