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