src/chrome/browser/extensions/chrome_extensions_browser_client.cc

   1 // Copyright 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/extensions/chrome_extensions_browser_client.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/path_service.h"
   9 #include "base/version.h"
  10 #include "chrome/browser/app_mode/app_mode_utils.h"
  11 #include "chrome/browser/browser_process.h"
  12 #include "chrome/browser/extensions/activity_log/activity_log.h"
  13 #include "chrome/browser/extensions/api/chrome_extensions_api_client.h"
  14 #include "chrome/browser/extensions/api/content_settings/content_settings_service.h"
  15 #include "chrome/browser/extensions/api/generated_api_registration.h"
  16 #include "chrome/browser/extensions/api/preference/chrome_direct_setting.h"
  17 #include "chrome/browser/extensions/api/preference/preference_api.h"
  18 #include "chrome/browser/extensions/api/runtime/chrome_runtime_api_delegate.h"
  19 #include "chrome/browser/extensions/chrome_app_sorting.h"
  20 #include "chrome/browser/extensions/chrome_component_extension_resource_manager.h"
  21 #include "chrome/browser/extensions/chrome_extension_host_delegate.h"
  22 #include "chrome/browser/extensions/chrome_process_manager_delegate.h"
  23 #include "chrome/browser/extensions/chrome_url_request_util.h"
  24 #include "chrome/browser/extensions/event_router_forwarder.h"
  25 #include "chrome/browser/extensions/extension_system_factory.h"
  26 #include "chrome/browser/extensions/extension_util.h"
  27 #include "chrome/browser/external_protocol/external_protocol_handler.h"
  28 #include "chrome/browser/net/chrome_net_log.h"
  29 #include "chrome/browser/profiles/profile.h"
  30 #include "chrome/browser/profiles/profile_manager.h"
  31 #include "chrome/common/chrome_paths.h"
  32 #include "chrome/common/chrome_switches.h"
  33 #include "chrome/common/chrome_version_info.h"
  34 #include "chrome/common/extensions/features/feature_channel.h"
  35 #include "chrome/common/pref_names.h"
  36 #include "extensions/browser/api/generated_api_registration.h"
  37 #include "extensions/browser/extension_function_registry.h"
  38 #include "extensions/browser/extension_prefs.h"
  39 #include "extensions/browser/pref_names.h"
  40 #include "extensions/browser/url_request_util.h"
  41
  42 #if defined(OS_CHROMEOS)
  43 #include "chromeos/chromeos_switches.h"
  44 #endif
  45
  46 namespace extensions {
  47
  48 ChromeExtensionsBrowserClient::ChromeExtensionsBrowserClient() {
  49   process_manager_delegate_.reset(new ChromeProcessManagerDelegate);
  50   api_client_.reset(new ChromeExtensionsAPIClient);
  51   // Only set if it hasn't already been set (e.g. by a test).
  52   if (GetCurrentChannel() == GetDefaultChannel())
  53     SetCurrentChannel(chrome::VersionInfo::GetChannel());
  54 }
  55
  56 ChromeExtensionsBrowserClient::~ChromeExtensionsBrowserClient() {}
  57
  58 bool ChromeExtensionsBrowserClient::IsShuttingDown() {
  59   return g_browser_process->IsShuttingDown();
  60 }
  61
  62 bool ChromeExtensionsBrowserClient::AreExtensionsDisabled(
  63     const CommandLine& command_line,
  64     content::BrowserContext* context) {
  65   Profile* profile = static_cast<Profile*>(context);
  66   return command_line.HasSwitch(switches::kDisableExtensions) ||
  67       profile->GetPrefs()->GetBoolean(prefs::kDisableExtensions);
  68 }
  69
  70 bool ChromeExtensionsBrowserClient::IsValidContext(
  71     content::BrowserContext* context) {
  72   Profile* profile = static_cast<Profile*>(context);
  73   return g_browser_process->profile_manager()->IsValidProfile(profile);
  74 }
  75
  76 bool ChromeExtensionsBrowserClient::IsSameContext(
  77     content::BrowserContext* first,
  78     content::BrowserContext* second) {
  79   return static_cast<Profile*>(first)->IsSameProfile(
  80       static_cast<Profile*>(second));
  81 }
  82
  83 bool ChromeExtensionsBrowserClient::HasOffTheRecordContext(
  84     content::BrowserContext* context) {
  85   return static_cast<Profile*>(context)->HasOffTheRecordProfile();
  86 }
  87
  88 content::BrowserContext* ChromeExtensionsBrowserClient::GetOffTheRecordContext(
  89     content::BrowserContext* context) {
  90   return static_cast<Profile*>(context)->GetOffTheRecordProfile();
  91 }
  92
  93 content::BrowserContext* ChromeExtensionsBrowserClient::GetOriginalContext(
  94     content::BrowserContext* context) {
  95   return static_cast<Profile*>(context)->GetOriginalProfile();
  96 }
  97
  98 bool ChromeExtensionsBrowserClient::IsGuestSession(
  99     content::BrowserContext* context) const {
 100   return static_cast<Profile*>(context)->IsGuestSession();
 101 }
 102
 103 bool ChromeExtensionsBrowserClient::IsExtensionIncognitoEnabled(
 104     const std::string& extension_id,
 105     content::BrowserContext* context) const {
 106   return IsGuestSession(context)
 107       || util::IsIncognitoEnabled(extension_id, context);
 108 }
 109
 110 bool ChromeExtensionsBrowserClient::CanExtensionCrossIncognito(
 111     const extensions::Extension* extension,
 112     content::BrowserContext* context) const {
 113   return IsGuestSession(context)
 114       || util::CanCrossIncognito(extension, context);
 115 }
 116
 117 net::URLRequestJob*
 118 ChromeExtensionsBrowserClient::MaybeCreateResourceBundleRequestJob(
 119     net::URLRequest* request,
 120     net::NetworkDelegate* network_delegate,
 121     const base::FilePath& directory_path,
 122     const std::string& content_security_policy,
 123     bool send_cors_header) {
 124   return chrome_url_request_util::MaybeCreateURLRequestResourceBundleJob(
 125       request,
 126       network_delegate,
 127       directory_path,
 128       content_security_policy,
 129       send_cors_header);
 130 }
 131
 132 bool ChromeExtensionsBrowserClient::AllowCrossRendererResourceLoad(
 133     net::URLRequest* request,
 134     bool is_incognito,
 135     const Extension* extension,
 136     InfoMap* extension_info_map) {
 137   bool allowed = false;
 138   if (chrome_url_request_util::AllowCrossRendererResourceLoad(
 139           request, is_incognito, extension, extension_info_map, &allowed))
 140     return allowed;
 141
 142   // Couldn't determine if resource is allowed. Block the load.
 143   return false;
 144 }
 145
 146 PrefService* ChromeExtensionsBrowserClient::GetPrefServiceForContext(
 147     content::BrowserContext* context) {
 148   return static_cast<Profile*>(context)->GetPrefs();
 149 }
 150
 151 void ChromeExtensionsBrowserClient::GetEarlyExtensionPrefsObservers(
 152     content::BrowserContext* context,
 153     std::vector<ExtensionPrefsObserver*>* observers) const {
 154   observers->push_back(ContentSettingsService::Get(context));
 155 }
 156
 157 ProcessManagerDelegate*
 158 ChromeExtensionsBrowserClient::GetProcessManagerDelegate() const {
 159   return process_manager_delegate_.get();
 160 }
 161
 162 scoped_ptr<ExtensionHostDelegate>
 163 ChromeExtensionsBrowserClient::CreateExtensionHostDelegate() {
 164   return scoped_ptr<ExtensionHostDelegate>(new ChromeExtensionHostDelegate);
 165 }
 166
 167 bool ChromeExtensionsBrowserClient::DidVersionUpdate(
 168     content::BrowserContext* context) {
 169   Profile* profile = static_cast<Profile*>(context);
 170
 171   // Unit tests may not provide prefs; assume everything is up-to-date.
 172   ExtensionPrefs* extension_prefs = ExtensionPrefs::Get(profile);
 173   if (!extension_prefs)
 174     return false;
 175
 176   // If we're inside a browser test, then assume prefs are all up-to-date.
 177   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kTestType))
 178     return false;
 179
 180   PrefService* pref_service = extension_prefs->pref_service();
 181   base::Version last_version;
 182   if (pref_service->HasPrefPath(pref_names::kLastChromeVersion)) {
 183     std::string last_version_str =
 184         pref_service->GetString(pref_names::kLastChromeVersion);
 185     last_version = base::Version(last_version_str);
 186   }
 187
 188   chrome::VersionInfo current_version_info;
 189   std::string current_version = current_version_info.Version();
 190   pref_service->SetString(pref_names::kLastChromeVersion,
 191                           current_version);
 192
 193   // If there was no version string in prefs, assume we're out of date.
 194   if (!last_version.IsValid())
 195     return true;
 196
 197   return last_version.IsOlderThan(current_version);
 198 }
 199
 200 void ChromeExtensionsBrowserClient::PermitExternalProtocolHandler() {
 201   ExternalProtocolHandler::PermitLaunchUrl();
 202 }
 203
 204 scoped_ptr<AppSorting> ChromeExtensionsBrowserClient::CreateAppSorting() {
 205   return scoped_ptr<AppSorting>(new ChromeAppSorting());
 206 }
 207
 208 bool ChromeExtensionsBrowserClient::IsRunningInForcedAppMode() {
 209   return chrome::IsRunningInForcedAppMode();
 210 }
 211
 212 ApiActivityMonitor* ChromeExtensionsBrowserClient::GetApiActivityMonitor(
 213     content::BrowserContext* context) {
 214   // The ActivityLog monitors and records function calls and events.
 215   return ActivityLog::GetInstance(context);
 216 }
 217
 218 ExtensionSystemProvider*
 219 ChromeExtensionsBrowserClient::GetExtensionSystemFactory() {
 220   return ExtensionSystemFactory::GetInstance();
 221 }
 222
 223 void ChromeExtensionsBrowserClient::RegisterExtensionFunctions(
 224     ExtensionFunctionRegistry* registry) const {
 225   // Preferences.
 226   registry->RegisterFunction<extensions::GetPreferenceFunction>();
 227   registry->RegisterFunction<extensions::SetPreferenceFunction>();
 228   registry->RegisterFunction<extensions::ClearPreferenceFunction>();
 229
 230   // Direct Preference Access for Component Extensions.
 231   registry->RegisterFunction<
 232       extensions::chromedirectsetting::GetDirectSettingFunction>();
 233   registry->RegisterFunction<
 234       extensions::chromedirectsetting::SetDirectSettingFunction>();
 235   registry->RegisterFunction<
 236       extensions::chromedirectsetting::ClearDirectSettingFunction>();
 237
 238   // Generated APIs from lower-level modules.
 239   extensions::core_api::GeneratedFunctionRegistry::RegisterAll(registry);
 240
 241   // Generated APIs from Chrome.
 242   extensions::api::GeneratedFunctionRegistry::RegisterAll(registry);
 243 }
 244
 245 ComponentExtensionResourceManager*
 246 ChromeExtensionsBrowserClient::GetComponentExtensionResourceManager() {
 247   if (!resource_manager_)
 248     resource_manager_.reset(new ChromeComponentExtensionResourceManager());
 249   return resource_manager_.get();
 250 }
 251
 252 void ChromeExtensionsBrowserClient::BroadcastEventToRenderers(
 253     const std::string& event_name,
 254     scoped_ptr<base::ListValue> args) {
 255   g_browser_process->extension_event_router_forwarder()
 256       ->BroadcastEventToRenderers(event_name, args.Pass(), GURL());
 257 }
 258
 259 net::NetLog* ChromeExtensionsBrowserClient::GetNetLog() {
 260   return g_browser_process->net_log();
 261 }
 262
 263 scoped_ptr<extensions::RuntimeAPIDelegate>
 264 ChromeExtensionsBrowserClient::CreateRuntimeAPIDelegate(
 265     content::BrowserContext* context) const {
 266   return scoped_ptr<extensions::RuntimeAPIDelegate>(
 267       new ChromeRuntimeAPIDelegate(context));
 268 }
 269
 270 }  // namespace extensions