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/version.h"
   9 #include "chrome/browser/app_mode/app_mode_utils.h"
  10 #include "chrome/browser/browser_process.h"
  11 #include "chrome/browser/extensions/activity_log/activity_log.h"
  12 #include "chrome/browser/extensions/api/chrome_extensions_api_client.h"
  13 #include "chrome/browser/extensions/api/content_settings/content_settings_service.h"
  14 #include "chrome/browser/extensions/api/generated_api_registration.h"
  15 #include "chrome/browser/extensions/api/preference/chrome_direct_setting.h"
  16 #include "chrome/browser/extensions/api/preference/preference_api.h"
  17 #include "chrome/browser/extensions/api/runtime/chrome_runtime_api_delegate.h"
  18 #include "chrome/browser/extensions/chrome_app_sorting.h"
  19 #include "chrome/browser/extensions/chrome_component_extension_resource_manager.h"
  20 #include "chrome/browser/extensions/chrome_extension_host_delegate.h"
  21 #include "chrome/browser/extensions/chrome_extension_web_contents_observer.h"
  22 #include "chrome/browser/extensions/chrome_mojo_service_registration.h"
  23 #include "chrome/browser/extensions/chrome_process_manager_delegate.h"
  24 #include "chrome/browser/extensions/chrome_url_request_util.h"
  25 #include "chrome/browser/extensions/error_console/error_console.h"
  26 #include "chrome/browser/extensions/event_router_forwarder.h"
  27 #include "chrome/browser/extensions/extension_system_factory.h"
  28 #include "chrome/browser/extensions/extension_util.h"
  29 #include "chrome/browser/extensions/menu_manager.h"
  30 #include "chrome/browser/external_protocol/external_protocol_handler.h"
  31 #include "chrome/browser/net/chrome_net_log.h"
  32 #include "chrome/browser/profiles/profile.h"
  33 #include "chrome/browser/profiles/profile_manager.h"
  34 #include "chrome/common/channel_info.h"
  35 #include "chrome/common/chrome_paths.h"
  36 #include "chrome/common/chrome_switches.h"
  37 #include "chrome/common/extensions/features/feature_channel.h"
  38 #include "chrome/common/pref_names.h"
  39 #include "components/version_info/version_info.h"
  40 #include "content/public/browser/render_process_host.h"
  41 #include "extensions/browser/api/generated_api_registration.h"
  42 #include "extensions/browser/extension_function_registry.h"
  43 #include "extensions/browser/extension_prefs.h"
  44 #include "extensions/browser/mojo/service_registration.h"
  45 #include "extensions/browser/pref_names.h"
  46 #include "extensions/browser/url_request_util.h"
  47
  48 #if defined(OS_CHROMEOS)
  49 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  50 #include "chrome/browser/extensions/updater/chromeos_extension_cache_delegate.h"
  51 #include "chrome/browser/extensions/updater/extension_cache_impl.h"
  52 #include "chromeos/chromeos_switches.h"
  53 #else
  54 #include "extensions/browser/updater/null_extension_cache.h"
  55 #endif
  56
  57 namespace extensions {
  58
  59 ChromeExtensionsBrowserClient::ChromeExtensionsBrowserClient() {
  60   process_manager_delegate_.reset(new ChromeProcessManagerDelegate);
  61   api_client_.reset(new ChromeExtensionsAPIClient);
  62   // Only set if it hasn't already been set (e.g. by a test).
  63   if (GetCurrentChannel() == GetDefaultChannel())
  64     SetCurrentChannel(chrome::GetChannel());
  65   resource_manager_.reset(new ChromeComponentExtensionResourceManager());
  66 }
  67
  68 ChromeExtensionsBrowserClient::~ChromeExtensionsBrowserClient() {}
  69
  70 bool ChromeExtensionsBrowserClient::IsShuttingDown() {
  71   return g_browser_process->IsShuttingDown();
  72 }
  73
  74 bool ChromeExtensionsBrowserClient::AreExtensionsDisabled(
  75     const base::CommandLine& command_line,
  76     content::BrowserContext* context) {
  77   Profile* profile = static_cast<Profile*>(context);
  78   return command_line.HasSwitch(switches::kDisableExtensions) ||
  79       profile->GetPrefs()->GetBoolean(prefs::kDisableExtensions);
  80 }
  81
  82 bool ChromeExtensionsBrowserClient::IsValidContext(
  83     content::BrowserContext* context) {
  84   Profile* profile = static_cast<Profile*>(context);
  85   return g_browser_process->profile_manager() &&
  86          g_browser_process->profile_manager()->IsValidProfile(profile);
  87 }
  88
  89 bool ChromeExtensionsBrowserClient::IsSameContext(
  90     content::BrowserContext* first,
  91     content::BrowserContext* second) {
  92   return static_cast<Profile*>(first)->IsSameProfile(
  93       static_cast<Profile*>(second));
  94 }
  95
  96 bool ChromeExtensionsBrowserClient::HasOffTheRecordContext(
  97     content::BrowserContext* context) {
  98   return static_cast<Profile*>(context)->HasOffTheRecordProfile();
  99 }
 100
 101 content::BrowserContext* ChromeExtensionsBrowserClient::GetOffTheRecordContext(
 102     content::BrowserContext* context) {
 103   return static_cast<Profile*>(context)->GetOffTheRecordProfile();
 104 }
 105
 106 content::BrowserContext* ChromeExtensionsBrowserClient::GetOriginalContext(
 107     content::BrowserContext* context) {
 108   return static_cast<Profile*>(context)->GetOriginalProfile();
 109 }
 110
 111 #if defined(OS_CHROMEOS)
 112 std::string ChromeExtensionsBrowserClient::GetUserIdHashFromContext(
 113     content::BrowserContext* context) {
 114   return chromeos::ProfileHelper::GetUserIdHashFromProfile(
 115       static_cast<Profile*>(context));
 116 }
 117 #endif
 118
 119 bool ChromeExtensionsBrowserClient::IsGuestSession(
 120     content::BrowserContext* context) const {
 121   return static_cast<Profile*>(context)->IsGuestSession();
 122 }
 123
 124 bool ChromeExtensionsBrowserClient::IsExtensionIncognitoEnabled(
 125     const std::string& extension_id,
 126     content::BrowserContext* context) const {
 127   return IsGuestSession(context)
 128       || util::IsIncognitoEnabled(extension_id, context);
 129 }
 130
 131 bool ChromeExtensionsBrowserClient::CanExtensionCrossIncognito(
 132     const Extension* extension,
 133     content::BrowserContext* context) const {
 134   return IsGuestSession(context)
 135       || util::CanCrossIncognito(extension, context);
 136 }
 137
 138 net::URLRequestJob*
 139 ChromeExtensionsBrowserClient::MaybeCreateResourceBundleRequestJob(
 140     net::URLRequest* request,
 141     net::NetworkDelegate* network_delegate,
 142     const base::FilePath& directory_path,
 143     const std::string& content_security_policy,
 144     bool send_cors_header) {
 145   return chrome_url_request_util::MaybeCreateURLRequestResourceBundleJob(
 146       request,
 147       network_delegate,
 148       directory_path,
 149       content_security_policy,
 150       send_cors_header);
 151 }
 152
 153 bool ChromeExtensionsBrowserClient::AllowCrossRendererResourceLoad(
 154     net::URLRequest* request,
 155     bool is_incognito,
 156     const Extension* extension,
 157     InfoMap* extension_info_map) {
 158   bool allowed = false;
 159   if (chrome_url_request_util::AllowCrossRendererResourceLoad(
 160           request, is_incognito, extension, extension_info_map, &allowed))
 161     return allowed;
 162
 163   // Couldn't determine if resource is allowed. Block the load.
 164   return false;
 165 }
 166
 167 PrefService* ChromeExtensionsBrowserClient::GetPrefServiceForContext(
 168     content::BrowserContext* context) {
 169   return static_cast<Profile*>(context)->GetPrefs();
 170 }
 171
 172 void ChromeExtensionsBrowserClient::GetEarlyExtensionPrefsObservers(
 173     content::BrowserContext* context,
 174     std::vector<ExtensionPrefsObserver*>* observers) const {
 175   observers->push_back(ContentSettingsService::Get(context));
 176 }
 177
 178 ProcessManagerDelegate*
 179 ChromeExtensionsBrowserClient::GetProcessManagerDelegate() const {
 180   return process_manager_delegate_.get();
 181 }
 182
 183 scoped_ptr<ExtensionHostDelegate>
 184 ChromeExtensionsBrowserClient::CreateExtensionHostDelegate() {
 185   return scoped_ptr<ExtensionHostDelegate>(new ChromeExtensionHostDelegate);
 186 }
 187
 188 bool ChromeExtensionsBrowserClient::DidVersionUpdate(
 189     content::BrowserContext* context) {
 190   Profile* profile = static_cast<Profile*>(context);
 191
 192   // Unit tests may not provide prefs; assume everything is up-to-date.
 193   ExtensionPrefs* extension_prefs = ExtensionPrefs::Get(profile);
 194   if (!extension_prefs)
 195     return false;
 196
 197   // If we're inside a browser test, then assume prefs are all up-to-date.
 198   if (base::CommandLine::ForCurrentProcess()->HasSwitch(switches::kTestType))
 199     return false;
 200
 201   PrefService* pref_service = extension_prefs->pref_service();
 202   base::Version last_version;
 203   if (pref_service->HasPrefPath(pref_names::kLastChromeVersion)) {
 204     std::string last_version_str =
 205         pref_service->GetString(pref_names::kLastChromeVersion);
 206     last_version = base::Version(last_version_str);
 207   }
 208
 209   std::string current_version = version_info::GetVersionNumber();
 210   pref_service->SetString(pref_names::kLastChromeVersion,
 211                           current_version);
 212
 213   // If there was no version string in prefs, assume we're out of date.
 214   if (!last_version.IsValid())
 215     return true;
 216
 217   return last_version.IsOlderThan(current_version);
 218 }
 219
 220 void ChromeExtensionsBrowserClient::PermitExternalProtocolHandler() {
 221   ExternalProtocolHandler::PermitLaunchUrl();
 222 }
 223
 224 scoped_ptr<AppSorting> ChromeExtensionsBrowserClient::CreateAppSorting(
 225     content::BrowserContext* context) {
 226   return scoped_ptr<AppSorting>(new ChromeAppSorting(context));
 227 }
 228
 229 bool ChromeExtensionsBrowserClient::IsRunningInForcedAppMode() {
 230   return chrome::IsRunningInForcedAppMode();
 231 }
 232
 233 ApiActivityMonitor* ChromeExtensionsBrowserClient::GetApiActivityMonitor(
 234     content::BrowserContext* context) {
 235   // The ActivityLog monitors and records function calls and events.
 236   return ActivityLog::GetInstance(context);
 237 }
 238
 239 ExtensionSystemProvider*
 240 ChromeExtensionsBrowserClient::GetExtensionSystemFactory() {
 241   return ExtensionSystemFactory::GetInstance();
 242 }
 243
 244 void ChromeExtensionsBrowserClient::RegisterExtensionFunctions(
 245     ExtensionFunctionRegistry* registry) const {
 246   // Preferences.
 247   registry->RegisterFunction<GetPreferenceFunction>();
 248   registry->RegisterFunction<SetPreferenceFunction>();
 249   registry->RegisterFunction<ClearPreferenceFunction>();
 250
 251   // Direct Preference Access for Component Extensions.
 252   registry->RegisterFunction<chromedirectsetting::GetDirectSettingFunction>();
 253   registry->RegisterFunction<chromedirectsetting::SetDirectSettingFunction>();
 254   registry->RegisterFunction<chromedirectsetting::ClearDirectSettingFunction>();
 255
 256   // Generated APIs from lower-level modules.
 257   api::GeneratedFunctionRegistry::RegisterAll(registry);
 258
 259   // Generated APIs from Chrome.
 260   api::ChromeGeneratedFunctionRegistry::RegisterAll(registry);
 261 }
 262
 263 void ChromeExtensionsBrowserClient::RegisterMojoServices(
 264     content::RenderFrameHost* render_frame_host,
 265     const Extension* extension) const {
 266   RegisterServicesForFrame(render_frame_host, extension);
 267   RegisterChromeServicesForFrame(render_frame_host, extension);
 268 }
 269
 270 scoped_ptr<RuntimeAPIDelegate>
 271 ChromeExtensionsBrowserClient::CreateRuntimeAPIDelegate(
 272     content::BrowserContext* context) const {
 273   return scoped_ptr<RuntimeAPIDelegate>(new ChromeRuntimeAPIDelegate(context));
 274 }
 275
 276 const ComponentExtensionResourceManager*
 277 ChromeExtensionsBrowserClient::GetComponentExtensionResourceManager() {
 278   return resource_manager_.get();
 279 }
 280
 281 void ChromeExtensionsBrowserClient::BroadcastEventToRenderers(
 282     events::HistogramValue histogram_value,
 283     const std::string& event_name,
 284     scoped_ptr<base::ListValue> args) {
 285   g_browser_process->extension_event_router_forwarder()
 286       ->BroadcastEventToRenderers(histogram_value, event_name, args.Pass(),
 287                                   GURL());
 288 }
 289
 290 net::NetLog* ChromeExtensionsBrowserClient::GetNetLog() {
 291   return g_browser_process->net_log();
 292 }
 293
 294 ExtensionCache* ChromeExtensionsBrowserClient::GetExtensionCache() {
 295   if (!extension_cache_.get()) {
 296 #if defined(OS_CHROMEOS)
 297     extension_cache_.reset(new ExtensionCacheImpl(
 298         make_scoped_ptr(new ChromeOSExtensionCacheDelegate())));
 299 #else
 300     extension_cache_.reset(new NullExtensionCache());
 301 #endif
 302   }
 303   return extension_cache_.get();
 304 }
 305
 306 bool ChromeExtensionsBrowserClient::IsBackgroundUpdateAllowed() {
 307   return !base::CommandLine::ForCurrentProcess()->HasSwitch(
 308       switches::kDisableBackgroundNetworking);
 309 }
 310
 311 bool ChromeExtensionsBrowserClient::IsMinBrowserVersionSupported(
 312     const std::string& min_version) {
 313   base::Version browser_version =
 314       base::Version(version_info::GetVersionNumber());
 315   Version browser_min_version(min_version);
 316   if (browser_version.IsValid() && browser_min_version.IsValid() &&
 317       browser_min_version.CompareTo(browser_version) > 0) {
 318     return false;
 319   }
 320   return true;
 321 }
 322
 323 ExtensionWebContentsObserver*
 324 ChromeExtensionsBrowserClient::GetExtensionWebContentsObserver(
 325     content::WebContents* web_contents) {
 326   return ChromeExtensionWebContentsObserver::FromWebContents(web_contents);
 327 }
 328
 329 void ChromeExtensionsBrowserClient::ReportError(
 330     content::BrowserContext* context,
 331     scoped_ptr<ExtensionError> error) {
 332   ErrorConsole::Get(context)->ReportError(error.Pass());
 333 }
 334
 335 void ChromeExtensionsBrowserClient::CleanUpWebView(
 336     content::BrowserContext* browser_context,
 337     int embedder_process_id,
 338     int view_instance_id) {
 339   // Clean up context menus for the WebView.
 340   auto menu_manager =
 341       MenuManager::Get(Profile::FromBrowserContext(browser_context));
 342   menu_manager->RemoveAllContextItems(
 343       MenuItem::ExtensionKey("", embedder_process_id, view_instance_id));
 344 }
 345
 346 }  // namespace extensions