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