off_the_record_profile_impl.cc revision c2e0dbddbe15c98d52c4786dac06cb8952a8ae6d 
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/file_util.h"
11#include "base/files/file_path.h"
12#include "base/memory/scoped_ptr.h"
13#include "base/path_service.h"
14#include "base/prefs/json_pref_store.h"
15#include "base/string_util.h"
16#include "base/strings/string_number_conversions.h"
17#include "build/build_config.h"
18#include "chrome/browser/background/background_contents_service_factory.h"
19#include "chrome/browser/browser_process.h"
20#include "chrome/browser/content_settings/host_content_settings_map.h"
21#include "chrome/browser/download/chrome_download_manager_delegate.h"
22#include "chrome/browser/download/download_service.h"
23#include "chrome/browser/download/download_service_factory.h"
24#include "chrome/browser/extensions/api/web_request/web_request_api.h"
25#include "chrome/browser/extensions/extension_info_map.h"
26#include "chrome/browser/extensions/extension_service.h"
27#include "chrome/browser/extensions/extension_special_storage_policy.h"
28#include "chrome/browser/extensions/extension_system.h"
29#include "chrome/browser/geolocation/chrome_geolocation_permission_context.h"
30#include "chrome/browser/geolocation/chrome_geolocation_permission_context_factory.h"
31#include "chrome/browser/io_thread.h"
32#include "chrome/browser/net/proxy_service_factory.h"
33#include "chrome/browser/plugins/chrome_plugin_service_filter.h"
34#include "chrome/browser/plugins/plugin_prefs.h"
35#include "chrome/browser/prefs/incognito_mode_prefs.h"
36#include "chrome/browser/prefs/pref_service_syncable.h"
37#include "chrome/browser/profiles/profile_dependency_manager.h"
38#include "chrome/browser/themes/theme_service.h"
39#include "chrome/browser/ui/webui/extensions/extension_icon_source.h"
40#include "chrome/common/chrome_constants.h"
41#include "chrome/common/chrome_paths.h"
42#include "chrome/common/chrome_switches.h"
43#include "chrome/common/extensions/extension.h"
44#include "chrome/common/pref_names.h"
45#include "chrome/common/render_messages.h"
46#include "components/user_prefs/user_prefs.h"
47#include "content/public/browser/browser_thread.h"
48#include "content/public/browser/host_zoom_map.h"
49#include "content/public/browser/render_process_host.h"
50#include "content/public/browser/storage_partition.h"
51#include "content/public/browser/url_data_source.h"
52#include "content/public/browser/web_contents.h"
53#include "net/http/http_server_properties.h"
54#include "net/http/transport_security_state.h"
55#include "webkit/database/database_tracker.h"
56
57#if defined(OS_ANDROID) || defined(OS_IOS)
58#include "chrome/browser/prefs/scoped_user_pref_update.h"
59#endif  // defined(OS_ANDROID) || defined(OS_IOS)
60
61#if defined(OS_CHROMEOS)
62#include "chrome/browser/chromeos/preferences.h"
63#include "chrome/browser/chromeos/proxy_config_service_impl.h"
64#endif
65
66using content::BrowserThread;
67using content::DownloadManagerDelegate;
68using content::HostZoomMap;
69
70namespace {
71
72void NotifyOTRProfileCreatedOnIOThread(void* original_profile,
73                                       void* otr_profile) {
74  ExtensionWebRequestEventRouter::GetInstance()->OnOTRProfileCreated(
75      original_profile, otr_profile);
76}
77
78void NotifyOTRProfileDestroyedOnIOThread(void* original_profile,
79                                         void* otr_profile) {
80  ExtensionWebRequestEventRouter::GetInstance()->OnOTRProfileDestroyed(
81      original_profile, otr_profile);
82}
83
84}  // namespace
85
86OffTheRecordProfileImpl::OffTheRecordProfileImpl(Profile* real_profile)
87    : profile_(real_profile),
88      prefs_(PrefServiceSyncable::IncognitoFromProfile(real_profile)),
89      io_data_(this),
90      start_time_(Time::Now()),
91      zoom_callback_(base::Bind(&OffTheRecordProfileImpl::OnZoomLevelChanged,
92                                base::Unretained(this))) {
93  // Register on BrowserContext.
94  components::UserPrefs::Set(this, prefs_);
95}
96
97void OffTheRecordProfileImpl::Init() {
98  ProfileDependencyManager::GetInstance()->CreateProfileServices(this, false);
99
100  extensions::ExtensionSystem::Get(this)->InitForOTRProfile();
101
102  DCHECK_NE(IncognitoModePrefs::DISABLED,
103            IncognitoModePrefs::GetAvailability(profile_->GetPrefs()));
104
105#if defined(OS_ANDROID) || defined(OS_IOS)
106  UseSystemProxy();
107#endif  // defined(OS_ANDROID) || defined(OS_IOS)
108
109  // TODO(oshima): Remove the need to eagerly initialize the request context
110  // getter. chromeos::OnlineAttempt is illegally trying to access this
111  // Profile member from a thread other than the UI thread, so we need to
112  // prevent a race.
113#if defined(OS_CHROMEOS)
114  GetRequestContext();
115#endif  // defined(OS_CHROMEOS)
116
117  InitHostZoomMap();
118
119  // Make the chrome//extension-icon/ resource available.
120  ExtensionIconSource* icon_source = new ExtensionIconSource(profile_);
121  content::URLDataSource::Add(this, icon_source);
122
123#if defined(ENABLE_PLUGINS)
124  ChromePluginServiceFilter::GetInstance()->RegisterResourceContext(
125      PluginPrefs::GetForProfile(this), io_data_.GetResourceContextNoInit());
126#endif
127
128  BrowserThread::PostTask(
129      BrowserThread::IO, FROM_HERE,
130      base::Bind(&NotifyOTRProfileCreatedOnIOThread, profile_, this));
131}
132
133OffTheRecordProfileImpl::~OffTheRecordProfileImpl() {
134  MaybeSendDestroyedNotification();
135
136  HostZoomMap::GetForBrowserContext(profile_)->RemoveZoomLevelChangedCallback(
137      zoom_callback_);
138
139#if defined(ENABLE_PLUGINS)
140  ChromePluginServiceFilter::GetInstance()->UnregisterResourceContext(
141    io_data_.GetResourceContextNoInit());
142#endif
143
144  ProfileDependencyManager::GetInstance()->DestroyProfileServices(this);
145
146  BrowserThread::PostTask(
147      BrowserThread::IO, FROM_HERE,
148      base::Bind(&NotifyOTRProfileDestroyedOnIOThread, profile_, this));
149
150  if (host_content_settings_map_)
151    host_content_settings_map_->ShutdownOnUIThread();
152
153  if (pref_proxy_config_tracker_.get())
154    pref_proxy_config_tracker_->DetachFromPrefService();
155
156  // Clears any data the network stack contains that may be related to the
157  // OTR session.
158  g_browser_process->io_thread()->ChangedToOnTheRecord();
159}
160
161void OffTheRecordProfileImpl::InitHostZoomMap() {
162  HostZoomMap* host_zoom_map = HostZoomMap::GetForBrowserContext(this);
163  HostZoomMap* parent_host_zoom_map =
164      HostZoomMap::GetForBrowserContext(profile_);
165  host_zoom_map->CopyFrom(parent_host_zoom_map);
166  // Observe parent's HZM change for propagating change of parent's
167  // change to this HZM.
168  parent_host_zoom_map->AddZoomLevelChangedCallback(zoom_callback_);
169}
170
171#if defined(OS_ANDROID) || defined(OS_IOS)
172void OffTheRecordProfileImpl::UseSystemProxy() {
173  // Force the use of the system-assigned proxy when off the record.
174  const char kProxyMode[] = "mode";
175  const char kProxyServer[] = "server";
176  const char kProxyBypassList[] = "bypass_list";
177  const char kProxyPacUrl[] = "pac_url";
178  DictionaryPrefUpdate update(prefs_, prefs::kProxy);
179  DictionaryValue* dict = update.Get();
180  dict->SetString(kProxyMode, ProxyModeToString(ProxyPrefs::MODE_SYSTEM));
181  dict->SetString(kProxyPacUrl, "");
182  dict->SetString(kProxyServer, "");
183  dict->SetString(kProxyBypassList, "");
184}
185#endif  // defined(OS_ANDROID) || defined(OS_IOS)
186
187std::string OffTheRecordProfileImpl::GetProfileName() {
188  // Incognito profile should not return the profile name.
189  return std::string();
190}
191
192base::FilePath OffTheRecordProfileImpl::GetPath() {
193  return profile_->GetPath();
194}
195
196scoped_refptr<base::SequencedTaskRunner>
197OffTheRecordProfileImpl::GetIOTaskRunner() {
198  return profile_->GetIOTaskRunner();
199}
200
201bool OffTheRecordProfileImpl::IsOffTheRecord() const {
202  return true;
203}
204
205Profile* OffTheRecordProfileImpl::GetOffTheRecordProfile() {
206  return this;
207}
208
209void OffTheRecordProfileImpl::DestroyOffTheRecordProfile() {
210  // Suicide is bad!
211  NOTREACHED();
212}
213
214bool OffTheRecordProfileImpl::HasOffTheRecordProfile() {
215  return true;
216}
217
218Profile* OffTheRecordProfileImpl::GetOriginalProfile() {
219  return profile_;
220}
221
222ExtensionService* OffTheRecordProfileImpl::GetExtensionService() {
223  return extensions::ExtensionSystem::Get(this)->extension_service();
224}
225
226ExtensionSpecialStoragePolicy*
227    OffTheRecordProfileImpl::GetExtensionSpecialStoragePolicy() {
228  return GetOriginalProfile()->GetExtensionSpecialStoragePolicy();
229}
230
231PrefService* OffTheRecordProfileImpl::GetPrefs() {
232  return prefs_;
233}
234
235PrefService* OffTheRecordProfileImpl::GetOffTheRecordPrefs() {
236  return prefs_;
237}
238
239DownloadManagerDelegate* OffTheRecordProfileImpl::GetDownloadManagerDelegate() {
240  return DownloadServiceFactory::GetForProfile(this)->
241      GetDownloadManagerDelegate();
242}
243
244net::URLRequestContextGetter* OffTheRecordProfileImpl::GetRequestContext() {
245  return GetDefaultStoragePartition(this)->GetURLRequestContext();
246}
247
248net::URLRequestContextGetter* OffTheRecordProfileImpl::CreateRequestContext(
249    content::ProtocolHandlerMap* protocol_handlers) {
250  return io_data_.CreateMainRequestContextGetter(protocol_handlers);
251}
252
253net::URLRequestContextGetter*
254    OffTheRecordProfileImpl::GetRequestContextForRenderProcess(
255        int renderer_child_id) {
256  content::RenderProcessHost* rph = content::RenderProcessHost::FromID(
257      renderer_child_id);
258  return rph->GetStoragePartition()->GetURLRequestContext();
259}
260
261net::URLRequestContextGetter*
262    OffTheRecordProfileImpl::GetMediaRequestContext() {
263  // In OTR mode, media request context is the same as the original one.
264  return GetRequestContext();
265}
266
267net::URLRequestContextGetter*
268    OffTheRecordProfileImpl::GetMediaRequestContextForRenderProcess(
269        int renderer_child_id) {
270  // In OTR mode, media request context is the same as the original one.
271  return GetRequestContextForRenderProcess(renderer_child_id);
272}
273
274net::URLRequestContextGetter*
275OffTheRecordProfileImpl::GetMediaRequestContextForStoragePartition(
276    const base::FilePath& partition_path,
277    bool in_memory) {
278  return io_data_.GetIsolatedAppRequestContextGetter(partition_path, in_memory);
279}
280
281net::URLRequestContextGetter*
282    OffTheRecordProfileImpl::GetRequestContextForExtensions() {
283  return io_data_.GetExtensionsRequestContextGetter();
284}
285
286net::URLRequestContextGetter*
287    OffTheRecordProfileImpl::CreateRequestContextForStoragePartition(
288        const base::FilePath& partition_path,
289        bool in_memory,
290        content::ProtocolHandlerMap* protocol_handlers) {
291  return io_data_.CreateIsolatedAppRequestContextGetter(
292      partition_path, in_memory, protocol_handlers);
293}
294
295content::ResourceContext* OffTheRecordProfileImpl::GetResourceContext() {
296  return io_data_.GetResourceContext();
297}
298
299net::SSLConfigService* OffTheRecordProfileImpl::GetSSLConfigService() {
300  return profile_->GetSSLConfigService();
301}
302
303HostContentSettingsMap* OffTheRecordProfileImpl::GetHostContentSettingsMap() {
304  // Retrieve the host content settings map of the parent profile in order to
305  // ensure the preferences have been migrated.
306  profile_->GetHostContentSettingsMap();
307  if (!host_content_settings_map_.get()) {
308    host_content_settings_map_ = new HostContentSettingsMap(GetPrefs(), true);
309#if defined(ENABLE_EXTENSIONS)
310    ExtensionService* extension_service = GetExtensionService();
311    if (extension_service)
312      host_content_settings_map_->RegisterExtensionService(extension_service);
313#endif
314  }
315  return host_content_settings_map_.get();
316}
317
318content::GeolocationPermissionContext*
319    OffTheRecordProfileImpl::GetGeolocationPermissionContext() {
320  return ChromeGeolocationPermissionContextFactory::GetForProfile(this);
321}
322
323content::SpeechRecognitionPreferences*
324    OffTheRecordProfileImpl::GetSpeechRecognitionPreferences() {
325  return profile_->GetSpeechRecognitionPreferences();
326}
327
328quota::SpecialStoragePolicy*
329    OffTheRecordProfileImpl::GetSpecialStoragePolicy() {
330  return GetExtensionSpecialStoragePolicy();
331}
332
333bool OffTheRecordProfileImpl::IsSameProfile(Profile* profile) {
334  return (profile == this) || (profile == profile_);
335}
336
337Time OffTheRecordProfileImpl::GetStartTime() const {
338  return start_time_;
339}
340
341history::TopSites* OffTheRecordProfileImpl::GetTopSitesWithoutCreating() {
342  return NULL;
343}
344
345history::TopSites* OffTheRecordProfileImpl::GetTopSites() {
346  return NULL;
347}
348
349void OffTheRecordProfileImpl::SetExitType(ExitType exit_type) {
350}
351
352base::FilePath OffTheRecordProfileImpl::last_selected_directory() {
353  const base::FilePath& directory = last_selected_directory_;
354  if (directory.empty()) {
355    return profile_->last_selected_directory();
356  }
357  return directory;
358}
359
360void OffTheRecordProfileImpl::set_last_selected_directory(
361    const base::FilePath& path) {
362  last_selected_directory_ = path;
363}
364
365bool OffTheRecordProfileImpl::WasCreatedByVersionOrLater(
366    const std::string& version) {
367  return profile_->WasCreatedByVersionOrLater(version);
368}
369
370Profile::ExitType OffTheRecordProfileImpl::GetLastSessionExitType() {
371  return profile_->GetLastSessionExitType();
372}
373
374#if defined(OS_CHROMEOS)
375void OffTheRecordProfileImpl::SetupChromeOSEnterpriseExtensionObserver() {
376  profile_->SetupChromeOSEnterpriseExtensionObserver();
377}
378
379void OffTheRecordProfileImpl::InitChromeOSPreferences() {
380  // The incognito profile shouldn't have Chrome OS's preferences.
381  // The preferences are associated with the regular user profile.
382}
383#endif  // defined(OS_CHROMEOS)
384
385#if defined(OS_CHROMEOS)
386void OffTheRecordProfileImpl::ChangeAppLocale(const std::string& locale,
387                                              AppLocaleChangedVia) {
388}
389
390void OffTheRecordProfileImpl::OnLogin() {
391}
392#endif  // defined(OS_CHROMEOS)
393
394PrefProxyConfigTracker* OffTheRecordProfileImpl::GetProxyConfigTracker() {
395  if (!pref_proxy_config_tracker_.get()) {
396    pref_proxy_config_tracker_.reset(
397        ProxyServiceFactory::CreatePrefProxyConfigTracker(GetPrefs()));
398  }
399  return pref_proxy_config_tracker_.get();
400}
401
402chrome_browser_net::Predictor* OffTheRecordProfileImpl::GetNetworkPredictor() {
403  // We do not store information about websites visited in OTR profiles which
404  // is necessary for a Predictor, so we do not have a Predictor at all.
405  return NULL;
406}
407
408void OffTheRecordProfileImpl::ClearNetworkingHistorySince(
409    base::Time time,
410    const base::Closure& completion) {
411  // Nothing to do here, our transport security state is read-only.
412  // Still, fire the callback to indicate we have finished, otherwise the
413  // BrowsingDataRemover will never be destroyed and the dialog will never be
414  // closed. We must do this asynchronously in order to avoid reentrancy issues.
415  if (!completion.is_null()) {
416    BrowserThread::PostTask(BrowserThread::UI, FROM_HERE, completion);
417  }
418}
419
420GURL OffTheRecordProfileImpl::GetHomePage() {
421  return profile_->GetHomePage();
422}
423
424#if defined(OS_CHROMEOS)
425// Special case of the OffTheRecordProfileImpl which is used while Guest
426// session in CrOS.
427class GuestSessionProfile : public OffTheRecordProfileImpl {
428 public:
429  explicit GuestSessionProfile(Profile* real_profile)
430      : OffTheRecordProfileImpl(real_profile) {
431  }
432
433  virtual void InitChromeOSPreferences() OVERRIDE {
434    chromeos_preferences_.reset(new chromeos::Preferences());
435    chromeos_preferences_->Init(static_cast<PrefServiceSyncable*>(GetPrefs()));
436  }
437
438 private:
439  // The guest user should be able to customize Chrome OS preferences.
440  scoped_ptr<chromeos::Preferences> chromeos_preferences_;
441};
442#endif
443
444Profile* Profile::CreateOffTheRecordProfile() {
445  OffTheRecordProfileImpl* profile = NULL;
446#if defined(OS_CHROMEOS)
447  if (IsGuestSession())
448    profile = new GuestSessionProfile(this);
449#endif
450  if (!profile)
451    profile = new OffTheRecordProfileImpl(this);
452  profile->Init();
453  return profile;
454}
455
456void OffTheRecordProfileImpl::OnZoomLevelChanged(
457    const HostZoomMap::ZoomLevelChange& change) {
458  HostZoomMap* host_zoom_map = HostZoomMap::GetForBrowserContext(this);
459  switch (change.mode) {
460    case HostZoomMap::ZOOM_CHANGED_TEMPORARY_ZOOM:
461       return;
462    case HostZoomMap::ZOOM_CHANGED_FOR_HOST:
463       host_zoom_map->SetZoomLevelForHost(change.host, change.zoom_level);
464       return;
465    case HostZoomMap::ZOOM_CHANGED_FOR_SCHEME_AND_HOST:
466       host_zoom_map->SetZoomLevelForHostAndScheme(change.scheme,
467           change.host,
468           change.zoom_level);
469       return;
470  }
471}
472