src/chrome/browser/profiles/off_the_record_profile_impl.cc

   1 // Copyright (c) 2012 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/profiles/off_the_record_profile_impl.h"
   6
   7 #include "base/bind.h"
   8 #include "base/command_line.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/files/file_path.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/path_service.h"
  13 #include "base/prefs/json_pref_store.h"
  14 #include "base/strings/string_number_conversions.h"
  15 #include "base/strings/string_util.h"
  16 #include "build/build_config.h"
  17 #include "chrome/browser/background/background_contents_service_factory.h"
  18 #include "chrome/browser/browser_process.h"
  19 #include "chrome/browser/content_settings/host_content_settings_map.h"
  20 #include "chrome/browser/download/chrome_download_manager_delegate.h"
  21 #include "chrome/browser/download/download_service.h"
  22 #include "chrome/browser/download/download_service_factory.h"
  23 #include "chrome/browser/extensions/extension_service.h"
  24 #include "chrome/browser/extensions/extension_special_storage_policy.h"
  25 #include "chrome/browser/io_thread.h"
  26 #include "chrome/browser/net/pref_proxy_config_tracker.h"
  27 #include "chrome/browser/net/proxy_service_factory.h"
  28 #include "chrome/browser/plugins/chrome_plugin_service_filter.h"
  29 #include "chrome/browser/plugins/plugin_prefs.h"
  30 #include "chrome/browser/prefs/incognito_mode_prefs.h"
  31 #include "chrome/browser/prefs/pref_service_syncable.h"
  32 #include "chrome/browser/themes/theme_service.h"
  33 #include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
  34 #include "chrome/common/chrome_constants.h"
  35 #include "chrome/common/chrome_paths.h"
  36 #include "chrome/common/chrome_switches.h"
  37 #include "chrome/common/pref_names.h"
  38 #include "chrome/common/render_messages.h"
  39 #include "components/keyed_service/content/browser_context_dependency_manager.h"
  40 #include "components/user_prefs/user_prefs.h"
  41 #include "content/public/browser/browser_thread.h"
  42 #include "content/public/browser/host_zoom_map.h"
  43 #include "content/public/browser/render_process_host.h"
  44 #include "content/public/browser/storage_partition.h"
  45 #include "content/public/browser/url_data_source.h"
  46 #include "content/public/browser/web_contents.h"
  47 #include "extensions/browser/extension_system.h"
  48 #include "extensions/common/extension.h"
  49 #include "net/http/http_server_properties.h"
  50 #include "net/http/transport_security_state.h"
  51 #include "webkit/browser/database/database_tracker.h"
  52
  53 #if defined(OS_ANDROID)
  54 #include "chrome/browser/media/protected_media_identifier_permission_context.h"
  55 #include "chrome/browser/media/protected_media_identifier_permission_context_factory.h"
  56 #endif  // defined(OS_ANDROID)
  57
  58 #if defined(OS_ANDROID) || defined(OS_IOS)
  59 #include "base/prefs/scoped_user_pref_update.h"
  60 #include "chrome/browser/prefs/proxy_prefs.h"
  61 #endif  // defined(OS_ANDROID) || defined(OS_IOS)
  62
  63 #if defined(OS_CHROMEOS)
  64 #include "chrome/browser/chromeos/preferences.h"
  65 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  66 #endif
  67
  68 #if defined(ENABLE_CONFIGURATION_POLICY) && !defined(OS_CHROMEOS)
  69 #include "chrome/browser/policy/cloud/user_cloud_policy_manager_factory.h"
  70 #endif
  71
  72 #if defined(ENABLE_EXTENSIONS)
  73 #include "chrome/browser/guest_view/guest_view_manager.h"
  74 #endif
  75
  76 #if defined(ENABLE_EXTENSIONS)
  77 #include "chrome/browser/extensions/api/web_request/web_request_api.h"
  78 #endif
  79
  80 using content::BrowserThread;
  81 using content::DownloadManagerDelegate;
  82 using content::HostZoomMap;
  83
  84 #if defined(ENABLE_EXTENSIONS)
  85 namespace {
  86
  87 void NotifyOTRProfileCreatedOnIOThread(void* original_profile,
  88                                        void* otr_profile) {
  89   ExtensionWebRequestEventRouter::GetInstance()->OnOTRProfileCreated(
  90       original_profile, otr_profile);
  91 }
  92
  93 void NotifyOTRProfileDestroyedOnIOThread(void* original_profile,
  94                                          void* otr_profile) {
  95   ExtensionWebRequestEventRouter::GetInstance()->OnOTRProfileDestroyed(
  96       original_profile, otr_profile);
  97 }
  98
  99 }  // namespace
 100 #endif
 101
 102 OffTheRecordProfileImpl::OffTheRecordProfileImpl(Profile* real_profile)
 103     : profile_(real_profile),
 104       prefs_(PrefServiceSyncable::IncognitoFromProfile(real_profile)),
 105       start_time_(Time::Now()) {
 106   // Register on BrowserContext.
 107   user_prefs::UserPrefs::Set(this, prefs_);
 108 }
 109
 110 void OffTheRecordProfileImpl::Init() {
 111   // The construction of OffTheRecordProfileIOData::Handle needs the profile
 112   // type returned by this->GetProfileType().  Since GetProfileType() is a
 113   // virtual member function, we cannot call the function defined in the most
 114   // derived class (e.g. GuestSessionProfile) until a ctor finishes.  Thus,
 115   // we have to instantiate OffTheRecordProfileIOData::Handle here after a ctor.
 116   InitIoData();
 117
 118 #if defined(ENABLE_CONFIGURATION_POLICY) && !defined(OS_CHROMEOS)
 119   // Because UserCloudPolicyManager is in a component, it cannot access
 120   // GetOriginalProfile. Instead, we have to inject this relation here.
 121   policy::UserCloudPolicyManagerFactory::RegisterForOffTheRecordBrowserContext(
 122       this->GetOriginalProfile(), this);
 123 #endif
 124
 125   BrowserContextDependencyManager::GetInstance()->CreateBrowserContextServices(
 126       this);
 127
 128   DCHECK_NE(IncognitoModePrefs::DISABLED,
 129             IncognitoModePrefs::GetAvailability(profile_->GetPrefs()));
 130
 131 #if defined(OS_ANDROID) || defined(OS_IOS)
 132   UseSystemProxy();
 133 #endif  // defined(OS_ANDROID) || defined(OS_IOS)
 134
 135   // TODO(oshima): Remove the need to eagerly initialize the request context
 136   // getter. chromeos::OnlineAttempt is illegally trying to access this
 137   // Profile member from a thread other than the UI thread, so we need to
 138   // prevent a race.
 139 #if defined(OS_CHROMEOS)
 140   GetRequestContext();
 141 #endif  // defined(OS_CHROMEOS)
 142
 143   InitHostZoomMap();
 144
 145   // Make the chrome//extension-icon/ resource available.
 146   extensions::ExtensionIconSource* icon_source =
 147       new extensions::ExtensionIconSource(profile_);
 148   content::URLDataSource::Add(this, icon_source);
 149
 150 #if defined(ENABLE_PLUGINS)
 151   ChromePluginServiceFilter::GetInstance()->RegisterResourceContext(
 152       PluginPrefs::GetForProfile(this).get(),
 153       io_data_->GetResourceContextNoInit());
 154 #endif
 155
 156 #if defined(ENABLE_EXTENSIONS)
 157   BrowserThread::PostTask(
 158       BrowserThread::IO, FROM_HERE,
 159       base::Bind(&NotifyOTRProfileCreatedOnIOThread, profile_, this));
 160 #endif
 161 }
 162
 163 OffTheRecordProfileImpl::~OffTheRecordProfileImpl() {
 164   MaybeSendDestroyedNotification();
 165
 166 #if defined(ENABLE_PLUGINS)
 167   ChromePluginServiceFilter::GetInstance()->UnregisterResourceContext(
 168       io_data_->GetResourceContextNoInit());
 169 #endif
 170
 171   BrowserContextDependencyManager::GetInstance()->DestroyBrowserContextServices(
 172       this);
 173
 174 #if defined(ENABLE_EXTENSIONS)
 175   BrowserThread::PostTask(
 176       BrowserThread::IO, FROM_HERE,
 177       base::Bind(&NotifyOTRProfileDestroyedOnIOThread, profile_, this));
 178 #endif
 179
 180   if (host_content_settings_map_.get())
 181     host_content_settings_map_->ShutdownOnUIThread();
 182
 183   if (pref_proxy_config_tracker_)
 184     pref_proxy_config_tracker_->DetachFromPrefService();
 185
 186   // Clears any data the network stack contains that may be related to the
 187   // OTR session.
 188   g_browser_process->io_thread()->ChangedToOnTheRecord();
 189 }
 190
 191 void OffTheRecordProfileImpl::InitIoData() {
 192   io_data_.reset(new OffTheRecordProfileIOData::Handle(this));
 193 }
 194
 195 void OffTheRecordProfileImpl::InitHostZoomMap() {
 196   HostZoomMap* host_zoom_map = HostZoomMap::GetForBrowserContext(this);
 197   HostZoomMap* parent_host_zoom_map =
 198       HostZoomMap::GetForBrowserContext(profile_);
 199   host_zoom_map->CopyFrom(parent_host_zoom_map);
 200   // Observe parent's HZM change for propagating change of parent's
 201   // change to this HZM.
 202   zoom_subscription_ = parent_host_zoom_map->AddZoomLevelChangedCallback(
 203       base::Bind(&OffTheRecordProfileImpl::OnZoomLevelChanged,
 204                  base::Unretained(this)));
 205 }
 206
 207 #if defined(OS_ANDROID) || defined(OS_IOS)
 208 void OffTheRecordProfileImpl::UseSystemProxy() {
 209   // Force the use of the system-assigned proxy when off the record.
 210   const char kProxyMode[] = "mode";
 211   const char kProxyServer[] = "server";
 212   const char kProxyBypassList[] = "bypass_list";
 213   const char kProxyPacUrl[] = "pac_url";
 214   DictionaryPrefUpdate update(prefs_, prefs::kProxy);
 215   base::DictionaryValue* dict = update.Get();
 216   dict->SetString(kProxyMode, ProxyModeToString(ProxyPrefs::MODE_SYSTEM));
 217   dict->SetString(kProxyPacUrl, "");
 218   dict->SetString(kProxyServer, "");
 219   dict->SetString(kProxyBypassList, "");
 220 }
 221 #endif  // defined(OS_ANDROID) || defined(OS_IOS)
 222
 223 std::string OffTheRecordProfileImpl::GetProfileName() {
 224   // Incognito profile should not return the profile name.
 225   return std::string();
 226 }
 227
 228 Profile::ProfileType OffTheRecordProfileImpl::GetProfileType() const {
 229   return INCOGNITO_PROFILE;
 230 }
 231
 232 base::FilePath OffTheRecordProfileImpl::GetPath() const {
 233   return profile_->GetPath();
 234 }
 235
 236 scoped_refptr<base::SequencedTaskRunner>
 237 OffTheRecordProfileImpl::GetIOTaskRunner() {
 238   return profile_->GetIOTaskRunner();
 239 }
 240
 241 bool OffTheRecordProfileImpl::IsOffTheRecord() const {
 242   return true;
 243 }
 244
 245 Profile* OffTheRecordProfileImpl::GetOffTheRecordProfile() {
 246   return this;
 247 }
 248
 249 void OffTheRecordProfileImpl::DestroyOffTheRecordProfile() {
 250   // Suicide is bad!
 251   NOTREACHED();
 252 }
 253
 254 bool OffTheRecordProfileImpl::HasOffTheRecordProfile() {
 255   return true;
 256 }
 257
 258 Profile* OffTheRecordProfileImpl::GetOriginalProfile() {
 259   return profile_;
 260 }
 261
 262 ExtensionService* OffTheRecordProfileImpl::GetExtensionService() {
 263   return extensions::ExtensionSystem::Get(this)->extension_service();
 264 }
 265
 266 ExtensionSpecialStoragePolicy*
 267     OffTheRecordProfileImpl::GetExtensionSpecialStoragePolicy() {
 268   return GetOriginalProfile()->GetExtensionSpecialStoragePolicy();
 269 }
 270
 271 bool OffTheRecordProfileImpl::IsSupervised() {
 272   return GetOriginalProfile()->IsSupervised();
 273 }
 274
 275 PrefService* OffTheRecordProfileImpl::GetPrefs() {
 276   return prefs_;
 277 }
 278
 279 PrefService* OffTheRecordProfileImpl::GetOffTheRecordPrefs() {
 280   return prefs_;
 281 }
 282
 283 DownloadManagerDelegate* OffTheRecordProfileImpl::GetDownloadManagerDelegate() {
 284   return DownloadServiceFactory::GetForBrowserContext(this)->
 285       GetDownloadManagerDelegate();
 286 }
 287
 288 net::URLRequestContextGetter* OffTheRecordProfileImpl::GetRequestContext() {
 289   return GetDefaultStoragePartition(this)->GetURLRequestContext();
 290 }
 291
 292 net::URLRequestContextGetter* OffTheRecordProfileImpl::CreateRequestContext(
 293     content::ProtocolHandlerMap* protocol_handlers,
 294     content::URLRequestInterceptorScopedVector request_interceptors) {
 295   return io_data_->CreateMainRequestContextGetter(
 296       protocol_handlers, request_interceptors.Pass()).get();
 297 }
 298
 299 net::URLRequestContextGetter*
 300     OffTheRecordProfileImpl::GetRequestContextForRenderProcess(
 301         int renderer_child_id) {
 302   content::RenderProcessHost* rph = content::RenderProcessHost::FromID(
 303       renderer_child_id);
 304   return rph->GetStoragePartition()->GetURLRequestContext();
 305 }
 306
 307 net::URLRequestContextGetter*
 308     OffTheRecordProfileImpl::GetMediaRequestContext() {
 309   // In OTR mode, media request context is the same as the original one.
 310   return GetRequestContext();
 311 }
 312
 313 net::URLRequestContextGetter*
 314     OffTheRecordProfileImpl::GetMediaRequestContextForRenderProcess(
 315         int renderer_child_id) {
 316   // In OTR mode, media request context is the same as the original one.
 317   return GetRequestContextForRenderProcess(renderer_child_id);
 318 }
 319
 320 net::URLRequestContextGetter*
 321 OffTheRecordProfileImpl::GetMediaRequestContextForStoragePartition(
 322     const base::FilePath& partition_path,
 323     bool in_memory) {
 324   return io_data_->GetIsolatedAppRequestContextGetter(partition_path, in_memory)
 325       .get();
 326 }
 327
 328 net::URLRequestContextGetter*
 329     OffTheRecordProfileImpl::GetRequestContextForExtensions() {
 330   return io_data_->GetExtensionsRequestContextGetter().get();
 331 }
 332
 333 net::URLRequestContextGetter*
 334 OffTheRecordProfileImpl::CreateRequestContextForStoragePartition(
 335     const base::FilePath& partition_path,
 336     bool in_memory,
 337     content::ProtocolHandlerMap* protocol_handlers,
 338     content::URLRequestInterceptorScopedVector request_interceptors) {
 339   return io_data_->CreateIsolatedAppRequestContextGetter(
 340       partition_path,
 341       in_memory,
 342       protocol_handlers,
 343       request_interceptors.Pass()).get();
 344 }
 345
 346 content::ResourceContext* OffTheRecordProfileImpl::GetResourceContext() {
 347   return io_data_->GetResourceContext();
 348 }
 349
 350 net::SSLConfigService* OffTheRecordProfileImpl::GetSSLConfigService() {
 351   return profile_->GetSSLConfigService();
 352 }
 353
 354 HostContentSettingsMap* OffTheRecordProfileImpl::GetHostContentSettingsMap() {
 355   // Retrieve the host content settings map of the parent profile in order to
 356   // ensure the preferences have been migrated.
 357   profile_->GetHostContentSettingsMap();
 358   if (!host_content_settings_map_.get()) {
 359     host_content_settings_map_ = new HostContentSettingsMap(GetPrefs(), true);
 360 #if defined(ENABLE_EXTENSIONS)
 361     ExtensionService* extension_service = GetExtensionService();
 362     if (extension_service)
 363       host_content_settings_map_->RegisterExtensionService(extension_service);
 364 #endif
 365   }
 366   return host_content_settings_map_.get();
 367 }
 368
 369 content::BrowserPluginGuestManager*
 370     OffTheRecordProfileImpl::GetGuestManager() {
 371 #if defined(ENABLE_EXTENSIONS)
 372   return GuestViewManager::FromBrowserContext(this);
 373 #else
 374   return NULL;
 375 #endif
 376 }
 377
 378 quota::SpecialStoragePolicy*
 379     OffTheRecordProfileImpl::GetSpecialStoragePolicy() {
 380   return GetExtensionSpecialStoragePolicy();
 381 }
 382
 383 content::PushMessagingService*
 384 OffTheRecordProfileImpl::GetPushMessagingService() {
 385   // TODO(johnme): Support push messaging in incognito if possible.
 386   return NULL;
 387 }
 388
 389 bool OffTheRecordProfileImpl::IsSameProfile(Profile* profile) {
 390   return (profile == this) || (profile == profile_);
 391 }
 392
 393 Time OffTheRecordProfileImpl::GetStartTime() const {
 394   return start_time_;
 395 }
 396
 397 history::TopSites* OffTheRecordProfileImpl::GetTopSitesWithoutCreating() {
 398   return NULL;
 399 }
 400
 401 history::TopSites* OffTheRecordProfileImpl::GetTopSites() {
 402   return NULL;
 403 }
 404
 405 void OffTheRecordProfileImpl::SetExitType(ExitType exit_type) {
 406 }
 407
 408 base::FilePath OffTheRecordProfileImpl::last_selected_directory() {
 409   const base::FilePath& directory = last_selected_directory_;
 410   if (directory.empty()) {
 411     return profile_->last_selected_directory();
 412   }
 413   return directory;
 414 }
 415
 416 void OffTheRecordProfileImpl::set_last_selected_directory(
 417     const base::FilePath& path) {
 418   last_selected_directory_ = path;
 419 }
 420
 421 bool OffTheRecordProfileImpl::WasCreatedByVersionOrLater(
 422     const std::string& version) {
 423   return profile_->WasCreatedByVersionOrLater(version);
 424 }
 425
 426 Profile::ExitType OffTheRecordProfileImpl::GetLastSessionExitType() {
 427   return profile_->GetLastSessionExitType();
 428 }
 429
 430 #if defined(OS_CHROMEOS)
 431 void OffTheRecordProfileImpl::ChangeAppLocale(const std::string& locale,
 432                                               AppLocaleChangedVia) {
 433 }
 434
 435 void OffTheRecordProfileImpl::OnLogin() {
 436 }
 437
 438 void OffTheRecordProfileImpl::InitChromeOSPreferences() {
 439   // The incognito profile shouldn't have Chrome OS's preferences.
 440   // The preferences are associated with the regular user profile.
 441 }
 442 #endif  // defined(OS_CHROMEOS)
 443
 444 PrefProxyConfigTracker* OffTheRecordProfileImpl::GetProxyConfigTracker() {
 445   if (!pref_proxy_config_tracker_)
 446     pref_proxy_config_tracker_.reset(CreateProxyConfigTracker());
 447   return pref_proxy_config_tracker_.get();
 448 }
 449
 450 chrome_browser_net::Predictor* OffTheRecordProfileImpl::GetNetworkPredictor() {
 451   // We do not store information about websites visited in OTR profiles which
 452   // is necessary for a Predictor, so we do not have a Predictor at all.
 453   return NULL;
 454 }
 455
 456 DevToolsNetworkController*
 457 OffTheRecordProfileImpl::GetDevToolsNetworkController() {
 458   return io_data_->GetDevToolsNetworkController();
 459 }
 460
 461 void OffTheRecordProfileImpl::ClearNetworkingHistorySince(
 462     base::Time time,
 463     const base::Closure& completion) {
 464   // Nothing to do here, our transport security state is read-only.
 465   // Still, fire the callback to indicate we have finished, otherwise the
 466   // BrowsingDataRemover will never be destroyed and the dialog will never be
 467   // closed. We must do this asynchronously in order to avoid reentrancy issues.
 468   if (!completion.is_null()) {
 469     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, completion);
 470   }
 471 }
 472
 473 void OffTheRecordProfileImpl::ClearDomainReliabilityMonitor(
 474     domain_reliability::DomainReliabilityClearMode mode,
 475     const base::Closure& completion) {
 476   // Incognito profiles don't have Domain Reliability Monitors, so there's
 477   // nothing to do here.
 478   if (!completion.is_null()) {
 479     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, completion);
 480   }
 481 }
 482
 483 GURL OffTheRecordProfileImpl::GetHomePage() {
 484   return profile_->GetHomePage();
 485 }
 486
 487 #if defined(OS_CHROMEOS)
 488 // Special case of the OffTheRecordProfileImpl which is used while Guest
 489 // session in CrOS.
 490 class GuestSessionProfile : public OffTheRecordProfileImpl {
 491  public:
 492   explicit GuestSessionProfile(Profile* real_profile)
 493       : OffTheRecordProfileImpl(real_profile) {
 494   }
 495
 496   virtual ProfileType GetProfileType() const OVERRIDE {
 497     return GUEST_PROFILE;
 498   }
 499
 500   virtual void InitChromeOSPreferences() OVERRIDE {
 501     chromeos_preferences_.reset(new chromeos::Preferences());
 502     chromeos_preferences_->Init(static_cast<PrefServiceSyncable*>(GetPrefs()),
 503                                 chromeos::UserManager::Get()->GetActiveUser());
 504   }
 505
 506  private:
 507   // The guest user should be able to customize Chrome OS preferences.
 508   scoped_ptr<chromeos::Preferences> chromeos_preferences_;
 509 };
 510 #endif
 511
 512 Profile* Profile::CreateOffTheRecordProfile() {
 513   OffTheRecordProfileImpl* profile = NULL;
 514 #if defined(OS_CHROMEOS)
 515   if (IsGuestSession())
 516     profile = new GuestSessionProfile(this);
 517 #endif
 518   if (!profile)
 519     profile = new OffTheRecordProfileImpl(this);
 520   profile->Init();
 521   return profile;
 522 }
 523
 524 void OffTheRecordProfileImpl::OnZoomLevelChanged(
 525     const HostZoomMap::ZoomLevelChange& change) {
 526   HostZoomMap* host_zoom_map = HostZoomMap::GetForBrowserContext(this);
 527   switch (change.mode) {
 528     case HostZoomMap::ZOOM_CHANGED_TEMPORARY_ZOOM:
 529        return;
 530     case HostZoomMap::ZOOM_CHANGED_FOR_HOST:
 531        host_zoom_map->SetZoomLevelForHost(change.host, change.zoom_level);
 532        return;
 533     case HostZoomMap::ZOOM_CHANGED_FOR_SCHEME_AND_HOST:
 534        host_zoom_map->SetZoomLevelForHostAndScheme(change.scheme,
 535            change.host,
 536            change.zoom_level);
 537        return;
 538   }
 539 }
 540
 541 PrefProxyConfigTracker* OffTheRecordProfileImpl::CreateProxyConfigTracker() {
 542 #if defined(OS_CHROMEOS)
 543   if (chromeos::ProfileHelper::IsSigninProfile(this)) {
 544     return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfLocalState(
 545         g_browser_process->local_state());
 546   }
 547 #endif  // defined(OS_CHROMEOS)
 548   return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfProfile(
 549       GetPrefs(), g_browser_process->local_state());
 550 }