profile_sync_service.cc revision ca12bfac764ba476d6cd062bf1dde12cc64c3f40
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/sync/profile_sync_service.h" 6 7#include <cstddef> 8#include <map> 9#include <set> 10#include <utility> 11 12#include "base/basictypes.h" 13#include "base/bind.h" 14#include "base/callback.h" 15#include "base/command_line.h" 16#include "base/compiler_specific.h" 17#include "base/logging.h" 18#include "base/memory/ref_counted.h" 19#include "base/message_loop/message_loop.h" 20#include "base/metrics/histogram.h" 21#include "base/strings/string16.h" 22#include "base/strings/stringprintf.h" 23#include "base/threading/thread_restrictions.h" 24#include "build/build_config.h" 25#include "chrome/browser/browser_process.h" 26#include "chrome/browser/chrome_notification_types.h" 27#include "chrome/browser/defaults.h" 28#include "chrome/browser/net/chrome_cookie_notification_details.h" 29#include "chrome/browser/prefs/pref_service_syncable.h" 30#include "chrome/browser/profiles/profile.h" 31#include "chrome/browser/signin/about_signin_internals.h" 32#include "chrome/browser/signin/about_signin_internals_factory.h" 33#include "chrome/browser/signin/profile_oauth2_token_service.h" 34#include "chrome/browser/signin/profile_oauth2_token_service_factory.h" 35#include "chrome/browser/signin/signin_manager.h" 36#include "chrome/browser/signin/signin_manager_factory.h" 37#include "chrome/browser/signin/token_service.h" 38#include "chrome/browser/signin/token_service_factory.h" 39#include "chrome/browser/sync/backend_migrator.h" 40#include "chrome/browser/sync/glue/change_processor.h" 41#include "chrome/browser/sync/glue/chrome_encryptor.h" 42#include "chrome/browser/sync/glue/chrome_report_unrecoverable_error.h" 43#include "chrome/browser/sync/glue/data_type_controller.h" 44#include "chrome/browser/sync/glue/device_info.h" 45#include "chrome/browser/sync/glue/session_data_type_controller.h" 46#include "chrome/browser/sync/glue/session_model_associator.h" 47#include "chrome/browser/sync/glue/synced_device_tracker.h" 48#include "chrome/browser/sync/glue/typed_url_data_type_controller.h" 49#include "chrome/browser/sync/profile_sync_components_factory_impl.h" 50#include "chrome/browser/sync/sync_global_error.h" 51#include "chrome/browser/sync/user_selectable_sync_type.h" 52#include "chrome/browser/ui/browser.h" 53#include "chrome/browser/ui/browser_list.h" 54#include "chrome/browser/ui/browser_window.h" 55#include "chrome/browser/ui/global_error/global_error_service.h" 56#include "chrome/browser/ui/global_error/global_error_service_factory.h" 57#include "chrome/common/chrome_switches.h" 58#include "chrome/common/chrome_version_info.h" 59#include "chrome/common/pref_names.h" 60#include "chrome/common/time_format.h" 61#include "chrome/common/url_constants.h" 62#include "components/user_prefs/pref_registry_syncable.h" 63#include "content/public/browser/notification_details.h" 64#include "content/public/browser/notification_service.h" 65#include "content/public/browser/notification_source.h" 66#include "google_apis/gaia/gaia_constants.h" 67#include "grit/generated_resources.h" 68#include "net/cookies/cookie_monster.h" 69#include "net/url_request/url_request_context_getter.h" 70#include "sync/api/sync_error.h" 71#include "sync/internal_api/public/configure_reason.h" 72#include "sync/internal_api/public/sync_encryption_handler.h" 73#include "sync/internal_api/public/util/experiments.h" 74#include "sync/internal_api/public/util/sync_string_conversions.h" 75#include "sync/js/js_arg_list.h" 76#include "sync/js/js_event_details.h" 77#include "sync/util/cryptographer.h" 78#include "ui/base/l10n/l10n_util.h" 79 80#if defined(ENABLE_MANAGED_USERS) 81#include "chrome/browser/managed_mode/managed_user_service.h" 82#endif 83 84#if defined(OS_ANDROID) 85#include "sync/internal_api/public/read_transaction.h" 86#endif 87 88using browser_sync::ChangeProcessor; 89using browser_sync::DataTypeController; 90using browser_sync::DataTypeManager; 91using browser_sync::FailedDataTypesHandler; 92using browser_sync::SyncBackendHost; 93using syncer::ModelType; 94using syncer::ModelTypeSet; 95using syncer::JsBackend; 96using syncer::JsController; 97using syncer::JsEventDetails; 98using syncer::JsEventHandler; 99using syncer::ModelSafeRoutingInfo; 100using syncer::SyncCredentials; 101using syncer::SyncProtocolError; 102using syncer::WeakHandle; 103 104typedef GoogleServiceAuthError AuthError; 105 106const char* ProfileSyncService::kSyncServerUrl = 107 "https://clients4.google.com/chrome-sync"; 108 109const char* ProfileSyncService::kDevServerUrl = 110 "https://clients4.google.com/chrome-sync/dev"; 111 112static const int kSyncClearDataTimeoutInSeconds = 60; // 1 minute. 113 114static const char* kSyncUnrecoverableErrorHistogram = 115 "Sync.UnrecoverableErrors"; 116 117const net::BackoffEntry::Policy kRequestAccessTokenBackoffPolicy = { 118 // Number of initial errors (in sequence) to ignore before applying 119 // exponential back-off rules. 120 0, 121 122 // Initial delay for exponential back-off in ms. 123 2000, 124 125 // Factor by which the waiting time will be multiplied. 126 2, 127 128 // Fuzzing percentage. ex: 10% will spread requests randomly 129 // between 90%-100% of the calculated time. 130 0.2, // 20% 131 132 // Maximum amount of time we are willing to delay our request in ms. 133 // TODO(pavely): crbug.com/246686 ProfileSyncService should retry 134 // RequestAccessToken on connection state change after backoff 135 1000 * 3600 * 4, // 4 hours. 136 137 // Time to keep an entry from being discarded even when it 138 // has no significant state, -1 to never discard. 139 -1, 140 141 // Don't use initial delay unless the last request was an error. 142 false, 143}; 144 145bool ShouldShowActionOnUI( 146 const syncer::SyncProtocolError& error) { 147 return (error.action != syncer::UNKNOWN_ACTION && 148 error.action != syncer::DISABLE_SYNC_ON_CLIENT && 149 error.action != syncer::STOP_SYNC_FOR_DISABLED_ACCOUNT); 150} 151 152ProfileSyncService::ProfileSyncService(ProfileSyncComponentsFactory* factory, 153 Profile* profile, 154 SigninManagerBase* signin_manager, 155 StartBehavior start_behavior) 156 : last_auth_error_(AuthError::AuthErrorNone()), 157 passphrase_required_reason_(syncer::REASON_PASSPHRASE_NOT_REQUIRED), 158 factory_(factory), 159 profile_(profile), 160 // |profile| may be NULL in unit tests. 161 sync_prefs_(profile_ ? profile_->GetPrefs() : NULL), 162 sync_service_url_(kDevServerUrl), 163 data_type_requested_sync_startup_(false), 164 is_first_time_sync_configure_(false), 165 backend_initialized_(false), 166 sync_disabled_by_admin_(false), 167 is_auth_in_progress_(false), 168 signin_(signin_manager), 169 unrecoverable_error_reason_(ERROR_REASON_UNSET), 170 weak_factory_(this), 171 expect_sync_configuration_aborted_(false), 172 encrypted_types_(syncer::SyncEncryptionHandler::SensitiveTypes()), 173 encrypt_everything_(false), 174 encryption_pending_(false), 175 auto_start_enabled_(start_behavior == AUTO_START), 176 configure_status_(DataTypeManager::UNKNOWN), 177 setup_in_progress_(false), 178 request_access_token_backoff_(&kRequestAccessTokenBackoffPolicy) { 179 // By default, dev, canary, and unbranded Chromium users will go to the 180 // development servers. Development servers have more features than standard 181 // sync servers. Users with officially-branded Chrome stable and beta builds 182 // will go to the standard sync servers. 183 // 184 // GetChannel hits the registry on Windows. See http://crbug.com/70380. 185 base::ThreadRestrictions::ScopedAllowIO allow_io; 186 chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel(); 187 if (channel == chrome::VersionInfo::CHANNEL_STABLE || 188 channel == chrome::VersionInfo::CHANNEL_BETA) { 189 sync_service_url_ = GURL(kSyncServerUrl); 190 } 191} 192 193ProfileSyncService::~ProfileSyncService() { 194 sync_prefs_.RemoveSyncPrefObserver(this); 195 // Shutdown() should have been called before destruction. 196 CHECK(!backend_initialized_); 197} 198 199bool ProfileSyncService::IsSyncEnabledAndLoggedIn() { 200 // Exit if sync is disabled. 201 if (IsManaged() || sync_prefs_.IsStartSuppressed()) 202 return false; 203 204 // Sync is logged in if there is a non-empty effective username. 205 return !GetEffectiveUsername().empty(); 206} 207 208bool ProfileSyncService::IsOAuthRefreshTokenAvailable() { 209 // Function name doesn't reflect which token is checked. Function checks 210 // refresh token when use_oauth2_token_ is true (all platforms except android) 211 // and sync token otherwise (for android). 212 // TODO(pavely): Remove "else" part once use_oauth2_token_ is gone. 213 if (use_oauth2_token_) { 214 ProfileOAuth2TokenService* token_service = 215 ProfileOAuth2TokenServiceFactory::GetForProfile(profile_); 216 if (!token_service) 217 return false; 218 return token_service->RefreshTokenIsAvailable(); 219 } else { 220 TokenService* token_service = TokenServiceFactory::GetForProfile(profile_); 221 if (!token_service) 222 return false; 223 return token_service->HasTokenForService(GaiaConstants::kSyncService); 224 } 225} 226 227void ProfileSyncService::Initialize() { 228 if (profile_) 229 SigninGlobalError::GetForProfile(profile_)->AddProvider(this); 230 231 InitSettings(); 232 233 // We clear this here (vs Shutdown) because we want to remember that an error 234 // happened on shutdown so we can display details (message, location) about it 235 // in about:sync. 236 ClearStaleErrors(); 237 238 sync_prefs_.AddSyncPrefObserver(this); 239 240 // For now, the only thing we can do through policy is to turn sync off. 241 if (IsManaged()) { 242 DisableForUser(); 243 return; 244 } 245 246 RegisterAuthNotifications(); 247 248 if (!HasSyncSetupCompleted() || GetEffectiveUsername().empty()) { 249 // Clean up in case of previous crash / setup abort / signout. 250 DisableForUser(); 251 } 252 253 TrySyncDatatypePrefRecovery(); 254 255 TryStart(); 256} 257 258void ProfileSyncService::TrySyncDatatypePrefRecovery() { 259 DCHECK(!sync_initialized()); 260 if (!HasSyncSetupCompleted()) 261 return; 262 263 // There was a bug where OnUserChoseDatatypes was not properly called on 264 // configuration (see crbug.com/154940). We detect this by checking whether 265 // kSyncKeepEverythingSynced has a default value. If so, and sync setup has 266 // completed, it means sync was not properly configured, so we manually 267 // set kSyncKeepEverythingSynced. 268 PrefService* const pref_service = profile_->GetPrefs(); 269 if (!pref_service) 270 return; 271 if (GetPreferredDataTypes().Size() > 1) 272 return; 273 274 const PrefService::Preference* keep_everything_synced = 275 pref_service->FindPreference(prefs::kSyncKeepEverythingSynced); 276 // This will be false if the preference was properly set or if it's controlled 277 // by policy. 278 if (!keep_everything_synced->IsDefaultValue()) 279 return; 280 281 // kSyncKeepEverythingSynced was not properly set. Set it and the preferred 282 // types now, before we configure. 283 UMA_HISTOGRAM_COUNTS("Sync.DatatypePrefRecovery", 1); 284 sync_prefs_.SetKeepEverythingSynced(true); 285 syncer::ModelTypeSet registered_types = GetRegisteredDataTypes(); 286 sync_prefs_.SetPreferredDataTypes(registered_types, 287 registered_types); 288} 289 290void ProfileSyncService::TryStart() { 291 if (!IsSyncEnabledAndLoggedIn()) 292 return; 293 TokenService* token_service = TokenServiceFactory::GetForProfile(profile_); 294 if (!token_service) 295 return; 296 // Don't start the backend if the token service hasn't finished loading tokens 297 // yet. Note if the backend is started before the sync token has been loaded, 298 // GetCredentials() will return bogus credentials. On auto_start platforms 299 // (like ChromeOS) we don't start sync until tokens are loaded, because the 300 // user can be "signed in" on those platforms long before the tokens get 301 // loaded, and we don't want to generate spurious auth errors. 302 if (!IsOAuthRefreshTokenAvailable() && 303 !(!auto_start_enabled_ && token_service->TokensLoadedFromDB())) { 304 return; 305 } 306 307 if (use_oauth2_token_) { 308 // If we got here then tokens are loaded and user logged in and sync is 309 // enabled. If OAuth refresh token is not available then something is wrong. 310 // When PSS requests access token, OAuth2TokenService will return error and 311 // PSS will show error to user asking to reauthenticate. 312 UMA_HISTOGRAM_BOOLEAN("Sync.RefreshTokenAvailable", 313 IsOAuthRefreshTokenAvailable()); 314 } 315 316 // If sync setup has completed we always start the backend. If the user is in 317 // the process of setting up now, we should start the backend to download 318 // account control state / encryption information). If autostart is enabled, 319 // but we haven't completed sync setup, we try to start sync anyway, since 320 // it's possible we crashed/shutdown after logging in but before the backend 321 // finished initializing the last time. 322 // 323 // However, the only time we actually need to start sync _immediately_ is if 324 // we haven't completed sync setup and the user is in the process of setting 325 // up - either they just signed in (for the first time) on an auto-start 326 // platform or they explicitly kicked off sync setup, and e.g we need to 327 // fetch account details like encryption state to populate UI. Otherwise, 328 // for performance reasons and maximizing parallelism at chrome startup, we 329 // defer the heavy lifting for sync init until things have calmed down. 330 if (HasSyncSetupCompleted()) { 331 if (!data_type_requested_sync_startup_) 332 StartUp(STARTUP_BACKEND_DEFERRED); 333 else if (start_up_time_.is_null()) 334 StartUp(STARTUP_IMMEDIATE); 335 else 336 StartUpSlowBackendComponents(); 337 } else if (setup_in_progress_ || auto_start_enabled_) { 338 // We haven't completed sync setup. Start immediately if the user explicitly 339 // kicked this off or we're supposed to automatically start syncing. 340 StartUp(STARTUP_IMMEDIATE); 341 } 342} 343 344void ProfileSyncService::StartSyncingWithServer() { 345 if (backend_) 346 backend_->StartSyncingWithServer(); 347} 348 349void ProfileSyncService::RegisterAuthNotifications() { 350 ProfileOAuth2TokenService* token_service = 351 ProfileOAuth2TokenServiceFactory::GetForProfile(profile_); 352 token_service->AddObserver(this); 353 354 registrar_.Add(this, 355 chrome::NOTIFICATION_GOOGLE_SIGNIN_SUCCESSFUL, 356 content::Source<Profile>(profile_)); 357 registrar_.Add(this, 358 chrome::NOTIFICATION_GOOGLE_SIGNED_OUT, 359 content::Source<Profile>(profile_)); 360} 361 362void ProfileSyncService::UnregisterAuthNotifications() { 363 ProfileOAuth2TokenService* token_service = 364 ProfileOAuth2TokenServiceFactory::GetForProfile(profile_); 365 token_service->RemoveObserver(this); 366 registrar_.RemoveAll(); 367} 368 369void ProfileSyncService::RegisterDataTypeController( 370 DataTypeController* data_type_controller) { 371 DCHECK_EQ(data_type_controllers_.count(data_type_controller->type()), 0U); 372 data_type_controllers_[data_type_controller->type()] = 373 data_type_controller; 374} 375 376browser_sync::SessionModelAssociator* 377 ProfileSyncService::GetSessionModelAssociator() { 378 if (data_type_controllers_.find(syncer::SESSIONS) == 379 data_type_controllers_.end() || 380 data_type_controllers_.find(syncer::SESSIONS)->second->state() != 381 DataTypeController::RUNNING) { 382 return NULL; 383 } 384 return static_cast<browser_sync::SessionDataTypeController*>( 385 data_type_controllers_.find( 386 syncer::SESSIONS)->second.get())->GetModelAssociator(); 387} 388 389scoped_ptr<browser_sync::DeviceInfo> 390ProfileSyncService::GetLocalDeviceInfo() const { 391 if (backend_) { 392 browser_sync::SyncedDeviceTracker* device_tracker = 393 backend_->GetSyncedDeviceTracker(); 394 if (device_tracker) 395 return device_tracker->ReadLocalDeviceInfo(); 396 } 397 return scoped_ptr<browser_sync::DeviceInfo>(); 398} 399 400scoped_ptr<browser_sync::DeviceInfo> 401ProfileSyncService::GetDeviceInfo(const std::string& client_id) const { 402 if (backend_) { 403 browser_sync::SyncedDeviceTracker* device_tracker = 404 backend_->GetSyncedDeviceTracker(); 405 if (device_tracker) 406 return device_tracker->ReadDeviceInfo(client_id); 407 } 408 return scoped_ptr<browser_sync::DeviceInfo>(); 409} 410 411void ProfileSyncService::GetDataTypeControllerStates( 412 browser_sync::DataTypeController::StateMap* state_map) const { 413 for (browser_sync::DataTypeController::TypeMap::const_iterator iter = 414 data_type_controllers_.begin(); iter != data_type_controllers_.end(); 415 ++iter) 416 (*state_map)[iter->first] = iter->second.get()->state(); 417} 418 419void ProfileSyncService::InitSettings() { 420 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); 421 422 // Override the sync server URL from the command-line, if sync server 423 // command-line argument exists. 424 if (command_line.HasSwitch(switches::kSyncServiceURL)) { 425 std::string value(command_line.GetSwitchValueASCII( 426 switches::kSyncServiceURL)); 427 if (!value.empty()) { 428 GURL custom_sync_url(value); 429 if (custom_sync_url.is_valid()) { 430 sync_service_url_ = custom_sync_url; 431 } else { 432 LOG(WARNING) << "The following sync URL specified at the command-line " 433 << "is invalid: " << value; 434 } 435 } 436 } 437 438 use_oauth2_token_ = !command_line.HasSwitch( 439 switches::kSyncDisableOAuth2Token); 440} 441 442SyncCredentials ProfileSyncService::GetCredentials() { 443 SyncCredentials credentials; 444 credentials.email = GetEffectiveUsername(); 445 DCHECK(!credentials.email.empty()); 446 if (use_oauth2_token_) { 447 credentials.sync_token = access_token_; 448 } else { 449 TokenService* service = TokenServiceFactory::GetForProfile(profile_); 450 if (service->HasTokenForService(GaiaConstants::kSyncService)) { 451 credentials.sync_token = service->GetTokenForService( 452 GaiaConstants::kSyncService); 453 } 454 } 455 456 if (credentials.sync_token.empty()) 457 credentials.sync_token = "credentials_lost"; 458 return credentials; 459} 460 461void ProfileSyncService::InitializeBackend(bool delete_stale_data) { 462 if (!backend_) { 463 NOTREACHED(); 464 return; 465 } 466 467 SyncCredentials credentials = GetCredentials(); 468 469 scoped_refptr<net::URLRequestContextGetter> request_context_getter( 470 profile_->GetRequestContext()); 471 472 if (delete_stale_data) 473 ClearStaleErrors(); 474 475 backend_unrecoverable_error_handler_.reset( 476 new browser_sync::BackendUnrecoverableErrorHandler( 477 MakeWeakHandle(weak_factory_.GetWeakPtr()))); 478 479 backend_->Initialize( 480 this, 481 MakeWeakHandle(sync_js_controller_.AsWeakPtr()), 482 sync_service_url_, 483 credentials, 484 delete_stale_data, 485 &sync_manager_factory_, 486 backend_unrecoverable_error_handler_.get(), 487 &browser_sync::ChromeReportUnrecoverableError); 488} 489 490void ProfileSyncService::CreateBackend() { 491 backend_.reset( 492 new SyncBackendHost(profile_->GetDebugName(), 493 profile_, sync_prefs_.AsWeakPtr())); 494} 495 496bool ProfileSyncService::IsEncryptedDatatypeEnabled() const { 497 if (encryption_pending()) 498 return true; 499 const syncer::ModelTypeSet preferred_types = GetPreferredDataTypes(); 500 const syncer::ModelTypeSet encrypted_types = GetEncryptedDataTypes(); 501 DCHECK(encrypted_types.Has(syncer::PASSWORDS)); 502 return !Intersection(preferred_types, encrypted_types).Empty(); 503} 504 505void ProfileSyncService::OnSyncConfigureRetry() { 506 // Note: in order to handle auth failures that arise before the backend is 507 // initialized (e.g. from invalidation notifier, or downloading new control 508 // types), we have to gracefully handle configuration retries at all times. 509 // At this point an auth error badge should be shown, which once resolved 510 // will trigger a new sync cycle. 511 NotifyObservers(); 512} 513 514void ProfileSyncService::StartUp(StartUpDeferredOption deferred_option) { 515 // Don't start up multiple times. 516 if (backend_) { 517 DVLOG(1) << "Skipping bringing up backend host."; 518 return; 519 } 520 521 DCHECK(IsSyncEnabledAndLoggedIn()); 522 523 if (use_oauth2_token_ && access_token_.empty()) { 524 RequestAccessToken(); 525 return; 526 } 527 528 if (start_up_time_.is_null()) { 529 start_up_time_ = base::Time::Now(); 530 last_synced_time_ = sync_prefs_.GetLastSyncedTime(); 531 532#if defined(OS_CHROMEOS) 533 std::string bootstrap_token = sync_prefs_.GetEncryptionBootstrapToken(); 534 if (bootstrap_token.empty()) { 535 sync_prefs_.SetEncryptionBootstrapToken( 536 sync_prefs_.GetSpareBootstrapToken()); 537 } 538#endif 539 540 if (!sync_global_error_) { 541#if !defined(OS_ANDROID) 542 sync_global_error_.reset(new SyncGlobalError(this, signin())); 543#endif 544 GlobalErrorServiceFactory::GetForProfile(profile_)->AddGlobalError( 545 sync_global_error_.get()); 546 AddObserver(sync_global_error_.get()); 547 } 548 } else { 549 // We don't care to prevent multiple calls to StartUp in deferred mode 550 // because it's fast and has no side effects. 551 DCHECK_EQ(STARTUP_BACKEND_DEFERRED, deferred_option); 552 } 553 554 if (deferred_option == STARTUP_BACKEND_DEFERRED && 555 CommandLine::ForCurrentProcess()-> 556 HasSwitch(switches::kSyncEnableDeferredStartup)) { 557 return; 558 } 559 560 StartUpSlowBackendComponents(); 561} 562 563void ProfileSyncService::OnDataTypeRequestsSyncStartup( 564 syncer::ModelType type) { 565 DCHECK(syncer::UserTypes().Has(type)); 566 if (backend_.get()) { 567 DVLOG(1) << "A data type requested sync startup, but it looks like " 568 "something else beat it to the punch."; 569 return; 570 } 571 572 if (!GetActiveDataTypes().Has(type)) { 573 // We can get here as datatype SyncableServices are typically wired up 574 // to the native datatype even if sync isn't enabled. 575 DVLOG(1) << "Dropping sync startup request because type " 576 << syncer::ModelTypeToString(type) << "not enabled."; 577 return; 578 } 579 580 if (CommandLine::ForCurrentProcess()->HasSwitch( 581 switches::kSyncEnableDeferredStartup)) { 582 DVLOG(2) << "Data type requesting sync startup: " 583 << syncer::ModelTypeToString(type); 584 // Measure the time spent waiting for init and the type that triggered it. 585 // We could measure the time spent deferred on a per-datatype basis, but 586 // for now this is probably sufficient. 587 if (!start_up_time_.is_null()) { 588 // TODO(tim): Cache |type| and move this tracking to StartUp. I'd like 589 // to pull all the complicated init logic and state out of 590 // ProfileSyncService and have only a StartUp method, though. One step 591 // at a time. Bug 80149. 592 base::TimeDelta time_deferred = base::Time::Now() - start_up_time_; 593 UMA_HISTOGRAM_TIMES("Sync.Startup.TimeDeferred", time_deferred); 594 UMA_HISTOGRAM_ENUMERATION("Sync.Startup.TypeTriggeringInit", 595 ModelTypeToHistogramInt(type), 596 syncer::MODEL_TYPE_COUNT); 597 } 598 data_type_requested_sync_startup_ = true; 599 TryStart(); 600 } 601 DVLOG(2) << "Ignoring data type request for sync startup: " 602 << syncer::ModelTypeToString(type); 603} 604 605void ProfileSyncService::StartUpSlowBackendComponents() { 606 // Don't start up multiple times. 607 if (backend_) { 608 DVLOG(1) << "Skipping bringing up backend host."; 609 return; 610 } 611 612 DCHECK(IsSyncEnabledAndLoggedIn()); 613 CreateBackend(); 614 615 // Initialize the backend. Every time we start up a new SyncBackendHost, 616 // we'll want to start from a fresh SyncDB, so delete any old one that might 617 // be there. 618 InitializeBackend(!HasSyncSetupCompleted()); 619} 620 621void ProfileSyncService::OnGetTokenSuccess( 622 const OAuth2TokenService::Request* request, 623 const std::string& access_token, 624 const base::Time& expiration_time) { 625 DCHECK_EQ(access_token_request_, request); 626 access_token_request_.reset(); 627 // Reset backoff time after successful response. 628 request_access_token_backoff_.Reset(); 629 access_token_ = access_token; 630 if (backend_) 631 backend_->UpdateCredentials(GetCredentials()); 632 else 633 TryStart(); 634} 635 636void ProfileSyncService::OnGetTokenFailure( 637 const OAuth2TokenService::Request* request, 638 const GoogleServiceAuthError& error) { 639 DCHECK_EQ(access_token_request_, request); 640 DCHECK_NE(error.state(), GoogleServiceAuthError::NONE); 641 access_token_request_.reset(); 642 switch (error.state()) { 643 case GoogleServiceAuthError::CONNECTION_FAILED: 644 case GoogleServiceAuthError::SERVICE_UNAVAILABLE: { 645 // Transient error. Retry after some time. 646 request_access_token_backoff_.InformOfRequest(false); 647 request_access_token_retry_timer_.Start( 648 FROM_HERE, 649 request_access_token_backoff_.GetTimeUntilRelease(), 650 base::Bind(&ProfileSyncService::RequestAccessToken, 651 weak_factory_.GetWeakPtr())); 652 break; 653 } 654 case GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS: { 655 // Report time since token was issued for invalid credentials error. 656 // TODO(pavely): crbug.com/246817 Collect UMA histogram for auth token 657 // rejections from invalidation service. 658 base::Time auth_token_time = 659 AboutSigninInternalsFactory::GetForProfile(profile_)-> 660 GetTokenTime(GaiaConstants::kGaiaOAuth2LoginRefreshToken); 661 if (!auth_token_time.is_null()) { 662 base::TimeDelta age = base::Time::Now() - auth_token_time; 663 if (age < base::TimeDelta::FromHours(1)) { 664 UMA_HISTOGRAM_CUSTOM_TIMES("Sync.AuthServerRejectedTokenAgeShort", 665 age, 666 base::TimeDelta::FromSeconds(1), 667 base::TimeDelta::FromHours(1), 668 50); 669 } 670 UMA_HISTOGRAM_COUNTS("Sync.AuthServerRejectedTokenAgeLong", 671 age.InDays()); 672 } 673 // Fallthrough. 674 } 675 default: { 676 // Show error to user. 677 UpdateAuthErrorState(error); 678 } 679 } 680} 681 682void ProfileSyncService::OnRefreshTokenAvailable( 683 const std::string& account_id) { 684 OnRefreshTokensLoaded(); 685} 686 687void ProfileSyncService::OnRefreshTokenRevoked( 688 const std::string& account_id, 689 const GoogleServiceAuthError& error) { 690 if (!IsOAuthRefreshTokenAvailable()) { 691 // The additional check around IsOAuthRefreshTokenAvailable() above 692 // prevents us sounding the alarm if we actually have a valid token but 693 // a refresh attempt by TokenService failed for any variety of reasons 694 // (e.g. flaky network). It's possible the token we do have is also 695 // invalid, but in that case we should already have (or can expect) an 696 // auth error sent from the sync backend. 697 UpdateAuthErrorState(error); 698 } 699} 700 701void ProfileSyncService::OnRefreshTokensLoaded() { 702 // This notification gets fired when TokenService loads the tokens 703 // from storage. 704 // Initialize the backend if sync is enabled. If the sync token was 705 // not loaded, GetCredentials() will generate invalid credentials to 706 // cause the backend to generate an auth error (crbug.com/121755). 707 if (backend_) { 708 RequestAccessToken(); 709 } else { 710 TryStart(); 711 } 712} 713 714void ProfileSyncService::OnRefreshTokensCleared() { 715 access_token_.clear(); 716} 717 718void ProfileSyncService::Shutdown() { 719 UnregisterAuthNotifications(); 720 721 if (profile_) 722 SigninGlobalError::GetForProfile(profile_)->RemoveProvider(this); 723 724 ShutdownImpl(false); 725} 726 727void ProfileSyncService::ShutdownImpl(bool sync_disabled) { 728 // First, we spin down the backend and wait for it to stop syncing completely 729 // before we Stop the data type manager. This is to avoid a late sync cycle 730 // applying changes to the sync db that wouldn't get applied via 731 // ChangeProcessors, leading to back-from-the-dead bugs. 732 base::Time shutdown_start_time = base::Time::Now(); 733 if (backend_) { 734 backend_->StopSyncingForShutdown(); 735 } 736 737 // Stop all data type controllers, if needed. Note that until Stop 738 // completes, it is possible in theory to have a ChangeProcessor apply a 739 // change from a native model. In that case, it will get applied to the sync 740 // database (which doesn't get destroyed until we destroy the backend below) 741 // as an unsynced change. That will be persisted, and committed on restart. 742 if (data_type_manager_) { 743 if (data_type_manager_->state() != DataTypeManager::STOPPED) { 744 // When aborting as part of shutdown, we should expect an aborted sync 745 // configure result, else we'll dcheck when we try to read the sync error. 746 expect_sync_configuration_aborted_ = true; 747 data_type_manager_->Stop(); 748 } 749 data_type_manager_.reset(); 750 } 751 752 // Shutdown the migrator before the backend to ensure it doesn't pull a null 753 // snapshot. 754 migrator_.reset(); 755 sync_js_controller_.AttachJsBackend(WeakHandle<syncer::JsBackend>()); 756 757 // Move aside the backend so nobody else tries to use it while we are 758 // shutting it down. 759 scoped_ptr<SyncBackendHost> doomed_backend(backend_.release()); 760 if (doomed_backend) { 761 doomed_backend->Shutdown(sync_disabled); 762 763 doomed_backend.reset(); 764 } 765 base::TimeDelta shutdown_time = base::Time::Now() - shutdown_start_time; 766 UMA_HISTOGRAM_TIMES("Sync.Shutdown.BackendDestroyedTime", shutdown_time); 767 768 weak_factory_.InvalidateWeakPtrs(); 769 770 // Clear various flags. 771 start_up_time_ = base::Time(); 772 expect_sync_configuration_aborted_ = false; 773 is_auth_in_progress_ = false; 774 backend_initialized_ = false; 775 cached_passphrase_.clear(); 776 encryption_pending_ = false; 777 encrypt_everything_ = false; 778 encrypted_types_ = syncer::SyncEncryptionHandler::SensitiveTypes(); 779 passphrase_required_reason_ = syncer::REASON_PASSPHRASE_NOT_REQUIRED; 780 request_access_token_retry_timer_.Stop(); 781 // Revert to "no auth error". 782 if (last_auth_error_.state() != GoogleServiceAuthError::NONE) 783 UpdateAuthErrorState(GoogleServiceAuthError::AuthErrorNone()); 784 785 if (sync_global_error_) { 786 GlobalErrorServiceFactory::GetForProfile(profile_)->RemoveGlobalError( 787 sync_global_error_.get()); 788 RemoveObserver(sync_global_error_.get()); 789 sync_global_error_.reset(NULL); 790 } 791 792 NotifyObservers(); 793} 794 795void ProfileSyncService::DisableForUser() { 796 // Clear prefs (including SyncSetupHasCompleted) before shutting down so 797 // PSS clients don't think we're set up while we're shutting down. 798 sync_prefs_.ClearPreferences(); 799 ClearUnrecoverableError(); 800 ShutdownImpl(true); 801} 802 803bool ProfileSyncService::HasSyncSetupCompleted() const { 804 return sync_prefs_.HasSyncSetupCompleted(); 805} 806 807void ProfileSyncService::SetSyncSetupCompleted() { 808 sync_prefs_.SetSyncSetupCompleted(); 809} 810 811void ProfileSyncService::UpdateLastSyncedTime() { 812 last_synced_time_ = base::Time::Now(); 813 sync_prefs_.SetLastSyncedTime(last_synced_time_); 814} 815 816void ProfileSyncService::NotifyObservers() { 817 FOR_EACH_OBSERVER(ProfileSyncServiceBase::Observer, observers_, 818 OnStateChanged()); 819 // TODO(akalin): Make an Observer subclass that listens and does the 820 // event routing. 821 sync_js_controller_.HandleJsEvent("onServiceStateChanged", JsEventDetails()); 822} 823 824void ProfileSyncService::NotifySyncCycleCompleted() { 825 FOR_EACH_OBSERVER(ProfileSyncServiceBase::Observer, observers_, 826 OnSyncCycleCompleted()); 827 sync_js_controller_.HandleJsEvent( 828 "onServiceStateChanged", JsEventDetails()); 829} 830 831void ProfileSyncService::ClearStaleErrors() { 832 ClearUnrecoverableError(); 833 last_actionable_error_ = SyncProtocolError(); 834 // Clear the data type errors as well. 835 failed_data_types_handler_.Reset(); 836} 837 838void ProfileSyncService::ClearUnrecoverableError() { 839 unrecoverable_error_reason_ = ERROR_REASON_UNSET; 840 unrecoverable_error_message_.clear(); 841 unrecoverable_error_location_ = tracked_objects::Location(); 842} 843 844void ProfileSyncService::RegisterNewDataType(syncer::ModelType data_type) { 845 if (data_type_controllers_.count(data_type) > 0) 846 return; 847 NOTREACHED(); 848} 849 850// An invariant has been violated. Transition to an error state where we try 851// to do as little work as possible, to avoid further corruption or crashes. 852void ProfileSyncService::OnUnrecoverableError( 853 const tracked_objects::Location& from_here, 854 const std::string& message) { 855 // Unrecoverable errors that arrive via the syncer::UnrecoverableErrorHandler 856 // interface are assumed to originate within the syncer. 857 unrecoverable_error_reason_ = ERROR_REASON_SYNCER; 858 OnUnrecoverableErrorImpl(from_here, message, true); 859} 860 861void ProfileSyncService::OnUnrecoverableErrorImpl( 862 const tracked_objects::Location& from_here, 863 const std::string& message, 864 bool delete_sync_database) { 865 DCHECK(HasUnrecoverableError()); 866 unrecoverable_error_message_ = message; 867 unrecoverable_error_location_ = from_here; 868 869 UMA_HISTOGRAM_ENUMERATION(kSyncUnrecoverableErrorHistogram, 870 unrecoverable_error_reason_, 871 ERROR_REASON_LIMIT); 872 NotifyObservers(); 873 std::string location; 874 from_here.Write(true, true, &location); 875 LOG(ERROR) 876 << "Unrecoverable error detected at " << location 877 << " -- ProfileSyncService unusable: " << message; 878 879 // Shut all data types down. 880 base::MessageLoop::current()->PostTask(FROM_HERE, 881 base::Bind(&ProfileSyncService::ShutdownImpl, weak_factory_.GetWeakPtr(), 882 delete_sync_database)); 883} 884 885// TODO(zea): Move this logic into the DataTypeController/DataTypeManager. 886void ProfileSyncService::DisableBrokenDatatype( 887 syncer::ModelType type, 888 const tracked_objects::Location& from_here, 889 std::string message) { 890 // First deactivate the type so that no further server changes are 891 // passed onto the change processor. 892 DeactivateDataType(type); 893 894 syncer::SyncError error(from_here, 895 syncer::SyncError::DATATYPE_ERROR, 896 message, 897 type); 898 899 std::map<syncer::ModelType, syncer::SyncError> errors; 900 errors[type] = error; 901 902 // Update this before posting a task. So if a configure happens before 903 // the task that we are going to post, this type would still be disabled. 904 failed_data_types_handler_.UpdateFailedDataTypes(errors); 905 906 base::MessageLoop::current()->PostTask(FROM_HERE, 907 base::Bind(&ProfileSyncService::ReconfigureDatatypeManager, 908 weak_factory_.GetWeakPtr())); 909} 910 911void ProfileSyncService::OnBackendInitialized( 912 const syncer::WeakHandle<syncer::JsBackend>& js_backend, 913 const syncer::WeakHandle<syncer::DataTypeDebugInfoListener>& 914 debug_info_listener, 915 bool success) { 916 is_first_time_sync_configure_ = !HasSyncSetupCompleted(); 917 918 if (is_first_time_sync_configure_) { 919 UMA_HISTOGRAM_BOOLEAN("Sync.BackendInitializeFirstTimeSuccess", success); 920 } else { 921 UMA_HISTOGRAM_BOOLEAN("Sync.BackendInitializeRestoreSuccess", success); 922 } 923 924 DCHECK(!start_up_time_.is_null()); 925 base::Time on_backend_initialized_time = base::Time::Now(); 926 base::TimeDelta delta = on_backend_initialized_time - start_up_time_; 927 if (is_first_time_sync_configure_) { 928 UMA_HISTOGRAM_LONG_TIMES("Sync.BackendInitializeFirstTime", delta); 929 } else { 930 UMA_HISTOGRAM_LONG_TIMES("Sync.BackendInitializeRestoreTime", delta); 931 } 932 933 if (!success) { 934 // Something went unexpectedly wrong. Play it safe: stop syncing at once 935 // and surface error UI to alert the user sync has stopped. 936 // Keep the directory around for now so that on restart we will retry 937 // again and potentially succeed in presence of transient file IO failures 938 // or permissions issues, etc. 939 // 940 // TODO(rlarocque): Consider making this UnrecoverableError less special. 941 // Unlike every other UnrecoverableError, it does not delete our sync data. 942 // This exception made sense at the time it was implemented, but our new 943 // directory corruption recovery mechanism makes it obsolete. By the time 944 // we get here, we will have already tried and failed to delete the 945 // directory. It would be no big deal if we tried to delete it again. 946 OnInternalUnrecoverableError(FROM_HERE, 947 "BackendInitialize failure", 948 false, 949 ERROR_REASON_BACKEND_INIT_FAILURE); 950 return; 951 } 952 953 backend_initialized_ = true; 954 955 sync_js_controller_.AttachJsBackend(js_backend); 956 debug_info_listener_ = debug_info_listener; 957 958 // If we have a cached passphrase use it to decrypt/encrypt data now that the 959 // backend is initialized. We want to call this before notifying observers in 960 // case this operation affects the "passphrase required" status. 961 ConsumeCachedPassphraseIfPossible(); 962 963 // The very first time the backend initializes is effectively the first time 964 // we can say we successfully "synced". last_synced_time_ will only be null 965 // in this case, because the pref wasn't restored on StartUp. 966 if (last_synced_time_.is_null()) { 967 UpdateLastSyncedTime(); 968 } 969 970 if (auto_start_enabled_ && !FirstSetupInProgress()) { 971 // Backend is initialized but we're not in sync setup, so this must be an 972 // autostart - mark our sync setup as completed and we'll start syncing 973 // below. 974 SetSyncSetupCompleted(); 975 } 976 977 // Check HasSyncSetupCompleted() before NotifyObservers() to avoid spurious 978 // data type configuration because observer may flag setup as complete and 979 // trigger data type configuration. 980 if (HasSyncSetupCompleted()) { 981 ConfigureDataTypeManager(); 982 } else { 983 DCHECK(FirstSetupInProgress()); 984 } 985 986 NotifyObservers(); 987} 988 989void ProfileSyncService::OnSyncCycleCompleted() { 990 UpdateLastSyncedTime(); 991 if (GetSessionModelAssociator()) { 992 // Trigger garbage collection of old sessions now that we've downloaded 993 // any new session data. TODO(zea): Have this be a notification the session 994 // model associator listens too. Also consider somehow plumbing the current 995 // server time as last reported by CheckServerReachable, so we don't have to 996 // rely on the local clock, which may be off significantly. 997 base::MessageLoop::current()->PostTask(FROM_HERE, 998 base::Bind(&browser_sync::SessionModelAssociator::DeleteStaleSessions, 999 GetSessionModelAssociator()->AsWeakPtr())); 1000 } 1001 DVLOG(2) << "Notifying observers sync cycle completed"; 1002 NotifySyncCycleCompleted(); 1003} 1004 1005void ProfileSyncService::OnExperimentsChanged( 1006 const syncer::Experiments& experiments) { 1007 if (current_experiments_.Matches(experiments)) 1008 return; 1009 1010 // If this is a first time sync for a client, this will be called before 1011 // OnBackendInitialized() to ensure the new datatypes are available at sync 1012 // setup. As a result, the migrator won't exist yet. This is fine because for 1013 // first time sync cases we're only concerned with making the datatype 1014 // available. 1015 if (migrator_.get() && 1016 migrator_->state() != browser_sync::BackendMigrator::IDLE) { 1017 DVLOG(1) << "Dropping OnExperimentsChanged due to migrator busy."; 1018 return; 1019 } 1020 1021 const syncer::ModelTypeSet registered_types = GetRegisteredDataTypes(); 1022 syncer::ModelTypeSet to_add; 1023 const syncer::ModelTypeSet to_register = 1024 Difference(to_add, registered_types); 1025 DVLOG(2) << "OnExperimentsChanged called with types: " 1026 << syncer::ModelTypeSetToString(to_add); 1027 DVLOG(2) << "Enabling types: " << syncer::ModelTypeSetToString(to_register); 1028 1029 for (syncer::ModelTypeSet::Iterator it = to_register.First(); 1030 it.Good(); it.Inc()) { 1031 // Received notice to enable experimental type. Check if the type is 1032 // registered, and if not register a new datatype controller. 1033 RegisterNewDataType(it.Get()); 1034 } 1035 1036 // Check if the user has "Keep Everything Synced" enabled. If so, we want 1037 // to turn on all experimental types if they're not already on. Otherwise we 1038 // leave them off. 1039 // Note: if any types are already registered, we don't turn them on. This 1040 // covers the case where we're already in the process of reconfiguring 1041 // to turn an experimental type on. 1042 if (sync_prefs_.HasKeepEverythingSynced()) { 1043 // Mark all data types as preferred. 1044 sync_prefs_.SetPreferredDataTypes(registered_types, registered_types); 1045 1046 // Only automatically turn on types if we have already finished set up. 1047 // Otherwise, just leave the experimental types on by default. 1048 if (!to_register.Empty() && HasSyncSetupCompleted() && migrator_) { 1049 DVLOG(1) << "Dynamically enabling new datatypes: " 1050 << syncer::ModelTypeSetToString(to_register); 1051 OnMigrationNeededForTypes(to_register); 1052 } 1053 } 1054 1055 current_experiments_ = experiments; 1056} 1057 1058void ProfileSyncService::UpdateAuthErrorState(const AuthError& error) { 1059 is_auth_in_progress_ = false; 1060 last_auth_error_ = error; 1061 1062 // Fan the notification out to interested UI-thread components. Notify the 1063 // SigninGlobalError first so it reflects the latest auth state before we 1064 // notify observers. 1065 if (profile_) 1066 SigninGlobalError::GetForProfile(profile_)->AuthStatusChanged(); 1067 1068 NotifyObservers(); 1069} 1070 1071namespace { 1072 1073AuthError ConnectionStatusToAuthError( 1074 syncer::ConnectionStatus status) { 1075 switch (status) { 1076 case syncer::CONNECTION_OK: 1077 return AuthError::AuthErrorNone(); 1078 break; 1079 case syncer::CONNECTION_AUTH_ERROR: 1080 return AuthError(AuthError::INVALID_GAIA_CREDENTIALS); 1081 break; 1082 case syncer::CONNECTION_SERVER_ERROR: 1083 return AuthError(AuthError::CONNECTION_FAILED); 1084 break; 1085 default: 1086 NOTREACHED(); 1087 return AuthError(AuthError::CONNECTION_FAILED); 1088 } 1089} 1090 1091} // namespace 1092 1093void ProfileSyncService::OnConnectionStatusChange( 1094 syncer::ConnectionStatus status) { 1095 if (use_oauth2_token_ && status == syncer::CONNECTION_AUTH_ERROR) { 1096 // Sync server returned error indicating that access token is invalid. It 1097 // could be either expired or access is revoked. Let's request another 1098 // access token and if access is revoked then request for token will fail 1099 // with corresponding error. 1100 RequestAccessToken(); 1101 } else { 1102 const GoogleServiceAuthError auth_error = 1103 ConnectionStatusToAuthError(status); 1104 DVLOG(1) << "Connection status change: " << auth_error.ToString(); 1105 UpdateAuthErrorState(auth_error); 1106 } 1107} 1108 1109void ProfileSyncService::OnStopSyncingPermanently() { 1110 sync_prefs_.SetStartSuppressed(true); 1111 DisableForUser(); 1112} 1113 1114void ProfileSyncService::OnPassphraseRequired( 1115 syncer::PassphraseRequiredReason reason, 1116 const sync_pb::EncryptedData& pending_keys) { 1117 DCHECK(backend_.get()); 1118 DCHECK(backend_->IsNigoriEnabled()); 1119 1120 // TODO(lipalani) : add this check to other locations as well. 1121 if (HasUnrecoverableError()) { 1122 // When unrecoverable error is detected we post a task to shutdown the 1123 // backend. The task might not have executed yet. 1124 return; 1125 } 1126 1127 DVLOG(1) << "Passphrase required with reason: " 1128 << syncer::PassphraseRequiredReasonToString(reason); 1129 passphrase_required_reason_ = reason; 1130 1131 const syncer::ModelTypeSet types = GetPreferredDataTypes(); 1132 if (data_type_manager_) { 1133 // Reconfigure without the encrypted types (excluded implicitly via the 1134 // failed datatypes handler). 1135 data_type_manager_->Configure(types, 1136 syncer::CONFIGURE_REASON_CRYPTO); 1137 } 1138 1139 // Notify observers that the passphrase status may have changed. 1140 NotifyObservers(); 1141} 1142 1143void ProfileSyncService::OnPassphraseAccepted() { 1144 DVLOG(1) << "Received OnPassphraseAccepted."; 1145 1146 // If the pending keys were resolved via keystore, it's possible we never 1147 // consumed our cached passphrase. Clear it now. 1148 if (!cached_passphrase_.empty()) 1149 cached_passphrase_.clear(); 1150 1151 // Reset passphrase_required_reason_ since we know we no longer require the 1152 // passphrase. We do this here rather than down in ResolvePassphraseRequired() 1153 // because that can be called by OnPassphraseRequired() if no encrypted data 1154 // types are enabled, and we don't want to clobber the true passphrase error. 1155 passphrase_required_reason_ = syncer::REASON_PASSPHRASE_NOT_REQUIRED; 1156 1157 // Make sure the data types that depend on the passphrase are started at 1158 // this time. 1159 const syncer::ModelTypeSet types = GetPreferredDataTypes(); 1160 if (data_type_manager_) { 1161 // Re-enable any encrypted types if necessary. 1162 data_type_manager_->Configure(types, 1163 syncer::CONFIGURE_REASON_CRYPTO); 1164 } 1165 1166 NotifyObservers(); 1167} 1168 1169void ProfileSyncService::OnEncryptedTypesChanged( 1170 syncer::ModelTypeSet encrypted_types, 1171 bool encrypt_everything) { 1172 encrypted_types_ = encrypted_types; 1173 encrypt_everything_ = encrypt_everything; 1174 DVLOG(1) << "Encrypted types changed to " 1175 << syncer::ModelTypeSetToString(encrypted_types_) 1176 << " (encrypt everything is set to " 1177 << (encrypt_everything_ ? "true" : "false") << ")"; 1178 DCHECK(encrypted_types_.Has(syncer::PASSWORDS)); 1179 1180 // If sessions are encrypted, full history sync is not possible, and 1181 // delete directives are unnecessary. 1182 if (GetActiveDataTypes().Has(syncer::HISTORY_DELETE_DIRECTIVES) && 1183 encrypted_types_.Has(syncer::SESSIONS)) { 1184 DisableBrokenDatatype(syncer::HISTORY_DELETE_DIRECTIVES, 1185 FROM_HERE, 1186 "Delete directives not supported with encryption."); 1187 } 1188} 1189 1190void ProfileSyncService::OnEncryptionComplete() { 1191 DVLOG(1) << "Encryption complete"; 1192 if (encryption_pending_ && encrypt_everything_) { 1193 encryption_pending_ = false; 1194 // This is to nudge the integration tests when encryption is 1195 // finished. 1196 NotifyObservers(); 1197 } 1198} 1199 1200void ProfileSyncService::OnMigrationNeededForTypes( 1201 syncer::ModelTypeSet types) { 1202 DCHECK(backend_initialized_); 1203 DCHECK(data_type_manager_.get()); 1204 1205 // Migrator must be valid, because we don't sync until it is created and this 1206 // callback originates from a sync cycle. 1207 migrator_->MigrateTypes(types); 1208} 1209 1210void ProfileSyncService::OnActionableError(const SyncProtocolError& error) { 1211 last_actionable_error_ = error; 1212 DCHECK_NE(last_actionable_error_.action, 1213 syncer::UNKNOWN_ACTION); 1214 switch (error.action) { 1215 case syncer::UPGRADE_CLIENT: 1216 case syncer::CLEAR_USER_DATA_AND_RESYNC: 1217 case syncer::ENABLE_SYNC_ON_ACCOUNT: 1218 case syncer::STOP_AND_RESTART_SYNC: 1219 // TODO(lipalani) : if setup in progress we want to display these 1220 // actions in the popup. The current experience might not be optimal for 1221 // the user. We just dismiss the dialog. 1222 if (setup_in_progress_) { 1223 OnStopSyncingPermanently(); 1224 expect_sync_configuration_aborted_ = true; 1225 } 1226 // Trigger an unrecoverable error to stop syncing. 1227 OnInternalUnrecoverableError(FROM_HERE, 1228 last_actionable_error_.error_description, 1229 true, 1230 ERROR_REASON_ACTIONABLE_ERROR); 1231 break; 1232 case syncer::DISABLE_SYNC_ON_CLIENT: 1233 OnStopSyncingPermanently(); 1234#if !defined(OS_CHROMEOS) 1235 // On desktop Chrome, sign out the user after a dashboard clear. 1236 // TODO(rsimha): Revisit this for M30. See http://crbug.com/252049. 1237 if (!auto_start_enabled_) // Skip sign out on ChromeOS/Android. 1238 SigninManagerFactory::GetForProfile(profile_)->SignOut(); 1239#endif 1240 break; 1241 case syncer::STOP_SYNC_FOR_DISABLED_ACCOUNT: 1242 // Sync disabled by domain admin. we should stop syncing until next 1243 // restart. 1244 sync_disabled_by_admin_ = true; 1245 ShutdownImpl(true); 1246 break; 1247 default: 1248 NOTREACHED(); 1249 } 1250 NotifyObservers(); 1251} 1252 1253void ProfileSyncService::OnConfigureDone( 1254 const browser_sync::DataTypeManager::ConfigureResult& result) { 1255 // We should have cleared our cached passphrase before we get here (in 1256 // OnBackendInitialized()). 1257 DCHECK(cached_passphrase_.empty()); 1258 1259 if (!sync_configure_start_time_.is_null()) { 1260 if (result.status == DataTypeManager::OK || 1261 result.status == DataTypeManager::PARTIAL_SUCCESS) { 1262 base::Time sync_configure_stop_time = base::Time::Now(); 1263 base::TimeDelta delta = sync_configure_stop_time - 1264 sync_configure_start_time_; 1265 if (is_first_time_sync_configure_) { 1266 UMA_HISTOGRAM_LONG_TIMES("Sync.ServiceInitialConfigureTime", delta); 1267 } else { 1268 UMA_HISTOGRAM_LONG_TIMES("Sync.ServiceSubsequentConfigureTime", 1269 delta); 1270 } 1271 } 1272 sync_configure_start_time_ = base::Time(); 1273 } 1274 1275 // Notify listeners that configuration is done. 1276 content::NotificationService::current()->Notify( 1277 chrome::NOTIFICATION_SYNC_CONFIGURE_DONE, 1278 content::Source<ProfileSyncService>(this), 1279 content::NotificationService::NoDetails()); 1280 1281 configure_status_ = result.status; 1282 DVLOG(1) << "PSS OnConfigureDone called with status: " << configure_status_; 1283 // The possible status values: 1284 // ABORT - Configuration was aborted. This is not an error, if 1285 // initiated by user. 1286 // OK - Everything succeeded. 1287 // PARTIAL_SUCCESS - Some datatypes failed to start. 1288 // Everything else is an UnrecoverableError. So treat it as such. 1289 1290 // First handle the abort case. 1291 if (configure_status_ == DataTypeManager::ABORTED && 1292 expect_sync_configuration_aborted_) { 1293 DVLOG(0) << "ProfileSyncService::Observe Sync Configure aborted"; 1294 expect_sync_configuration_aborted_ = false; 1295 return; 1296 } 1297 1298 // Handle unrecoverable error. 1299 if (configure_status_ != DataTypeManager::OK && 1300 configure_status_ != DataTypeManager::PARTIAL_SUCCESS) { 1301 // Something catastrophic had happened. We should only have one 1302 // error representing it. 1303 DCHECK_EQ(result.failed_data_types.size(), 1304 static_cast<unsigned int>(1)); 1305 syncer::SyncError error = result.failed_data_types.begin()->second; 1306 DCHECK(error.IsSet()); 1307 std::string message = 1308 "Sync configuration failed with status " + 1309 DataTypeManager::ConfigureStatusToString(configure_status_) + 1310 " during " + syncer::ModelTypeToString(error.model_type()) + 1311 ": " + error.message(); 1312 LOG(ERROR) << "ProfileSyncService error: " << message; 1313 OnInternalUnrecoverableError(error.location(), 1314 message, 1315 true, 1316 ERROR_REASON_CONFIGURATION_FAILURE); 1317 return; 1318 } 1319 1320 // We should never get in a state where we have no encrypted datatypes 1321 // enabled, and yet we still think we require a passphrase for decryption. 1322 DCHECK(!(IsPassphraseRequiredForDecryption() && 1323 !IsEncryptedDatatypeEnabled())); 1324 1325 // This must be done before we start syncing with the server to avoid 1326 // sending unencrypted data up on a first time sync. 1327 if (encryption_pending_) 1328 backend_->EnableEncryptEverything(); 1329 NotifyObservers(); 1330 1331 if (migrator_.get() && 1332 migrator_->state() != browser_sync::BackendMigrator::IDLE) { 1333 // Migration in progress. Let the migrator know we just finished 1334 // configuring something. It will be up to the migrator to call 1335 // StartSyncingWithServer() if migration is now finished. 1336 migrator_->OnConfigureDone(result); 1337 } else { 1338 StartSyncingWithServer(); 1339 } 1340} 1341 1342void ProfileSyncService::OnConfigureRetry() { 1343 // We should have cleared our cached passphrase before we get here (in 1344 // OnBackendInitialized()). 1345 DCHECK(cached_passphrase_.empty()); 1346 1347 OnSyncConfigureRetry(); 1348} 1349 1350void ProfileSyncService::OnConfigureStart() { 1351 sync_configure_start_time_ = base::Time::Now(); 1352 content::NotificationService::current()->Notify( 1353 chrome::NOTIFICATION_SYNC_CONFIGURE_START, 1354 content::Source<ProfileSyncService>(this), 1355 content::NotificationService::NoDetails()); 1356 NotifyObservers(); 1357} 1358 1359std::string ProfileSyncService::QuerySyncStatusSummary() { 1360 if (HasUnrecoverableError()) { 1361 return "Unrecoverable error detected"; 1362 } else if (!backend_) { 1363 return "Syncing not enabled"; 1364 } else if (backend_.get() && !HasSyncSetupCompleted()) { 1365 return "First time sync setup incomplete"; 1366 } else if (backend_.get() && HasSyncSetupCompleted() && 1367 data_type_manager_.get() && 1368 data_type_manager_->state() != DataTypeManager::CONFIGURED) { 1369 return "Datatypes not fully initialized"; 1370 } else if (ShouldPushChanges()) { 1371 return "Sync service initialized"; 1372 } else { 1373 return "Status unknown: Internal error?"; 1374 } 1375} 1376 1377std::string ProfileSyncService::GetBackendInitializationStateString() const { 1378 if (sync_initialized()) 1379 return "Done"; 1380 else if (!start_up_time_.is_null()) 1381 return "Deferred"; 1382 else 1383 return "Not started"; 1384} 1385 1386bool ProfileSyncService::QueryDetailedSyncStatus( 1387 SyncBackendHost::Status* result) { 1388 if (backend_.get() && backend_initialized_) { 1389 *result = backend_->GetDetailedStatus(); 1390 return true; 1391 } else { 1392 SyncBackendHost::Status status; 1393 status.sync_protocol_error = last_actionable_error_; 1394 *result = status; 1395 return false; 1396 } 1397} 1398 1399const AuthError& ProfileSyncService::GetAuthError() const { 1400 return last_auth_error_; 1401} 1402 1403GoogleServiceAuthError ProfileSyncService::GetAuthStatus() const { 1404 return GetAuthError(); 1405} 1406 1407bool ProfileSyncService::FirstSetupInProgress() const { 1408 return !HasSyncSetupCompleted() && setup_in_progress_; 1409} 1410 1411void ProfileSyncService::SetSetupInProgress(bool setup_in_progress) { 1412 // This method is a no-op if |setup_in_progress_| remains unchanged. 1413 if (setup_in_progress_ == setup_in_progress) 1414 return; 1415 1416 setup_in_progress_ = setup_in_progress; 1417 if (!setup_in_progress && sync_initialized()) 1418 ReconfigureDatatypeManager(); 1419 NotifyObservers(); 1420} 1421 1422bool ProfileSyncService::sync_initialized() const { 1423 return backend_initialized_; 1424} 1425 1426bool ProfileSyncService::waiting_for_auth() const { 1427 return is_auth_in_progress_; 1428} 1429 1430const syncer::Experiments& ProfileSyncService::current_experiments() const { 1431 return current_experiments_; 1432} 1433 1434bool ProfileSyncService::HasUnrecoverableError() const { 1435 return unrecoverable_error_reason_ != ERROR_REASON_UNSET; 1436} 1437 1438bool ProfileSyncService::IsPassphraseRequired() const { 1439 return passphrase_required_reason_ != 1440 syncer::REASON_PASSPHRASE_NOT_REQUIRED; 1441} 1442 1443bool ProfileSyncService::IsPassphraseRequiredForDecryption() const { 1444 // If there is an encrypted datatype enabled and we don't have the proper 1445 // passphrase, we must prompt the user for a passphrase. The only way for the 1446 // user to avoid entering their passphrase is to disable the encrypted types. 1447 return IsEncryptedDatatypeEnabled() && IsPassphraseRequired(); 1448} 1449 1450string16 ProfileSyncService::GetLastSyncedTimeString() const { 1451 if (last_synced_time_.is_null()) 1452 return l10n_util::GetStringUTF16(IDS_SYNC_TIME_NEVER); 1453 1454 base::TimeDelta last_synced = base::Time::Now() - last_synced_time_; 1455 1456 if (last_synced < base::TimeDelta::FromMinutes(1)) 1457 return l10n_util::GetStringUTF16(IDS_SYNC_TIME_JUST_NOW); 1458 1459 return TimeFormat::TimeElapsed(last_synced); 1460} 1461 1462void ProfileSyncService::UpdateSelectedTypesHistogram( 1463 bool sync_everything, const syncer::ModelTypeSet chosen_types) const { 1464 if (!HasSyncSetupCompleted() || 1465 sync_everything != sync_prefs_.HasKeepEverythingSynced()) { 1466 UMA_HISTOGRAM_BOOLEAN("Sync.SyncEverything", sync_everything); 1467 } 1468 1469 // Only log the data types that are shown in the sync settings ui. 1470 // Note: the order of these types must match the ordering of 1471 // the respective types in ModelType 1472const browser_sync::user_selectable_type::UserSelectableSyncType 1473 user_selectable_types[] = { 1474 browser_sync::user_selectable_type::BOOKMARKS, 1475 browser_sync::user_selectable_type::PREFERENCES, 1476 browser_sync::user_selectable_type::PASSWORDS, 1477 browser_sync::user_selectable_type::AUTOFILL, 1478 browser_sync::user_selectable_type::THEMES, 1479 browser_sync::user_selectable_type::TYPED_URLS, 1480 browser_sync::user_selectable_type::EXTENSIONS, 1481 browser_sync::user_selectable_type::APPS, 1482 browser_sync::user_selectable_type::PROXY_TABS 1483 }; 1484 1485 COMPILE_ASSERT(28 == syncer::MODEL_TYPE_COUNT, UpdateCustomConfigHistogram); 1486 1487 if (!sync_everything) { 1488 const syncer::ModelTypeSet current_types = GetPreferredDataTypes(); 1489 1490 syncer::ModelTypeSet type_set = syncer::UserSelectableTypes(); 1491 syncer::ModelTypeSet::Iterator it = type_set.First(); 1492 1493 DCHECK_EQ(arraysize(user_selectable_types), type_set.Size()); 1494 1495 for (size_t i = 0; i < arraysize(user_selectable_types) && it.Good(); 1496 ++i, it.Inc()) { 1497 const syncer::ModelType type = it.Get(); 1498 if (chosen_types.Has(type) && 1499 (!HasSyncSetupCompleted() || !current_types.Has(type))) { 1500 // Selected type has changed - log it. 1501 UMA_HISTOGRAM_ENUMERATION( 1502 "Sync.CustomSync", 1503 user_selectable_types[i], 1504 browser_sync::user_selectable_type::SELECTABLE_DATATYPE_COUNT + 1); 1505 } 1506 } 1507 } 1508} 1509 1510#if defined(OS_CHROMEOS) 1511void ProfileSyncService::RefreshSpareBootstrapToken( 1512 const std::string& passphrase) { 1513 browser_sync::ChromeEncryptor encryptor; 1514 syncer::Cryptographer temp_cryptographer(&encryptor); 1515 // The first 2 params (hostname and username) doesn't have any effect here. 1516 syncer::KeyParams key_params = {"localhost", "dummy", passphrase}; 1517 1518 std::string bootstrap_token; 1519 if (!temp_cryptographer.AddKey(key_params)) { 1520 NOTREACHED() << "Failed to add key to cryptographer."; 1521 } 1522 temp_cryptographer.GetBootstrapToken(&bootstrap_token); 1523 sync_prefs_.SetSpareBootstrapToken(bootstrap_token); 1524} 1525#endif 1526 1527void ProfileSyncService::OnUserChoseDatatypes( 1528 bool sync_everything, 1529 syncer::ModelTypeSet chosen_types) { 1530 if (!backend_.get() && !HasUnrecoverableError()) { 1531 NOTREACHED(); 1532 return; 1533 } 1534 1535 UpdateSelectedTypesHistogram(sync_everything, chosen_types); 1536 sync_prefs_.SetKeepEverythingSynced(sync_everything); 1537 1538 failed_data_types_handler_.Reset(); 1539 if (GetActiveDataTypes().Has(syncer::HISTORY_DELETE_DIRECTIVES) && 1540 encrypted_types_.Has(syncer::SESSIONS)) { 1541 DisableBrokenDatatype(syncer::HISTORY_DELETE_DIRECTIVES, 1542 FROM_HERE, 1543 "Delete directives not supported with encryption."); 1544 } 1545 ChangePreferredDataTypes(chosen_types); 1546 AcknowledgeSyncedTypes(); 1547 NotifyObservers(); 1548} 1549 1550void ProfileSyncService::ChangePreferredDataTypes( 1551 syncer::ModelTypeSet preferred_types) { 1552 1553 DVLOG(1) << "ChangePreferredDataTypes invoked"; 1554 const syncer::ModelTypeSet registered_types = GetRegisteredDataTypes(); 1555 const syncer::ModelTypeSet registered_preferred_types = 1556 Intersection(registered_types, preferred_types); 1557 sync_prefs_.SetPreferredDataTypes(registered_types, 1558 registered_preferred_types); 1559 1560 // Now reconfigure the DTM. 1561 ReconfigureDatatypeManager(); 1562} 1563 1564syncer::ModelTypeSet ProfileSyncService::GetActiveDataTypes() const { 1565 const syncer::ModelTypeSet preferred_types = GetPreferredDataTypes(); 1566 const syncer::ModelTypeSet failed_types = 1567 failed_data_types_handler_.GetFailedTypes(); 1568 return Difference(preferred_types, failed_types); 1569} 1570 1571syncer::ModelTypeSet ProfileSyncService::GetPreferredDataTypes() const { 1572 const syncer::ModelTypeSet registered_types = GetRegisteredDataTypes(); 1573 const syncer::ModelTypeSet preferred_types = 1574 sync_prefs_.GetPreferredDataTypes(registered_types); 1575 return preferred_types; 1576} 1577 1578syncer::ModelTypeSet ProfileSyncService::GetRegisteredDataTypes() const { 1579 syncer::ModelTypeSet registered_types; 1580 // The data_type_controllers_ are determined by command-line flags; that's 1581 // effectively what controls the values returned here. 1582 for (DataTypeController::TypeMap::const_iterator it = 1583 data_type_controllers_.begin(); 1584 it != data_type_controllers_.end(); ++it) { 1585 registered_types.Put(it->first); 1586 } 1587 return registered_types; 1588} 1589 1590bool ProfileSyncService::IsUsingSecondaryPassphrase() const { 1591 syncer::PassphraseType passphrase_type = GetPassphraseType(); 1592 return passphrase_type == syncer::FROZEN_IMPLICIT_PASSPHRASE || 1593 passphrase_type == syncer::CUSTOM_PASSPHRASE; 1594} 1595 1596syncer::PassphraseType ProfileSyncService::GetPassphraseType() const { 1597 return backend_->GetPassphraseType(); 1598} 1599 1600base::Time ProfileSyncService::GetExplicitPassphraseTime() const { 1601 return backend_->GetExplicitPassphraseTime(); 1602} 1603 1604bool ProfileSyncService::IsCryptographerReady( 1605 const syncer::BaseTransaction* trans) const { 1606 return backend_.get() && backend_->IsCryptographerReady(trans); 1607} 1608 1609SyncBackendHost* ProfileSyncService::GetBackendForTest() { 1610 // We don't check |backend_initialized_|; we assume the test class 1611 // knows what it's doing. 1612 return backend_.get(); 1613} 1614 1615void ProfileSyncService::ConfigurePriorityDataTypes() { 1616 const syncer::ModelTypeSet priority_types = 1617 Intersection(GetPreferredDataTypes(), syncer::PriorityUserTypes()); 1618 if (!priority_types.Empty()) { 1619 const syncer::ConfigureReason reason = HasSyncSetupCompleted() ? 1620 syncer::CONFIGURE_REASON_RECONFIGURATION : 1621 syncer::CONFIGURE_REASON_NEW_CLIENT; 1622 data_type_manager_->Configure(priority_types, reason); 1623 } 1624} 1625 1626void ProfileSyncService::ConfigureDataTypeManager() { 1627 // Don't configure datatypes if the setup UI is still on the screen - this 1628 // is to help multi-screen setting UIs (like iOS) where they don't want to 1629 // start syncing data until the user is done configuring encryption options, 1630 // etc. ReconfigureDatatypeManager() will get called again once the UI calls 1631 // SetSetupInProgress(false). 1632 if (setup_in_progress_) 1633 return; 1634 1635 bool restart = false; 1636 if (!data_type_manager_) { 1637 restart = true; 1638 data_type_manager_.reset( 1639 factory_->CreateDataTypeManager(debug_info_listener_, 1640 &data_type_controllers_, 1641 this, 1642 backend_.get(), 1643 this, 1644 &failed_data_types_handler_)); 1645 1646 // We create the migrator at the same time. 1647 migrator_.reset( 1648 new browser_sync::BackendMigrator( 1649 profile_->GetDebugName(), GetUserShare(), 1650 this, data_type_manager_.get(), 1651 base::Bind(&ProfileSyncService::StartSyncingWithServer, 1652 base::Unretained(this)))); 1653 } 1654 1655 const syncer::ModelTypeSet types = GetPreferredDataTypes(); 1656 syncer::ConfigureReason reason = syncer::CONFIGURE_REASON_UNKNOWN; 1657 if (!HasSyncSetupCompleted()) { 1658 reason = syncer::CONFIGURE_REASON_NEW_CLIENT; 1659 } else if (restart) { 1660 // Datatype downloads on restart are generally due to newly supported 1661 // datatypes (although it's also possible we're picking up where a failed 1662 // previous configuration left off). 1663 // TODO(sync): consider detecting configuration recovery and setting 1664 // the reason here appropriately. 1665 reason = syncer::CONFIGURE_REASON_NEWLY_ENABLED_DATA_TYPE; 1666 } else { 1667 // The user initiated a reconfiguration (either to add or remove types). 1668 reason = syncer::CONFIGURE_REASON_RECONFIGURATION; 1669 } 1670 1671 data_type_manager_->Configure(types, reason); 1672} 1673 1674syncer::UserShare* ProfileSyncService::GetUserShare() const { 1675 if (backend_.get() && backend_initialized_) { 1676 return backend_->GetUserShare(); 1677 } 1678 NOTREACHED(); 1679 return NULL; 1680} 1681 1682syncer::sessions::SyncSessionSnapshot 1683 ProfileSyncService::GetLastSessionSnapshot() const { 1684 if (backend_.get() && backend_initialized_) { 1685 return backend_->GetLastSessionSnapshot(); 1686 } 1687 NOTREACHED(); 1688 return syncer::sessions::SyncSessionSnapshot(); 1689} 1690 1691bool ProfileSyncService::HasUnsyncedItems() const { 1692 if (backend_.get() && backend_initialized_) { 1693 return backend_->HasUnsyncedItems(); 1694 } 1695 NOTREACHED(); 1696 return false; 1697} 1698 1699browser_sync::BackendMigrator* 1700 ProfileSyncService::GetBackendMigratorForTest() { 1701 return migrator_.get(); 1702} 1703 1704void ProfileSyncService::GetModelSafeRoutingInfo( 1705 syncer::ModelSafeRoutingInfo* out) const { 1706 if (backend_.get() && backend_initialized_) { 1707 backend_->GetModelSafeRoutingInfo(out); 1708 } else { 1709 NOTREACHED(); 1710 } 1711} 1712 1713Value* ProfileSyncService::GetTypeStatusMap() const { 1714 scoped_ptr<ListValue> result(new ListValue()); 1715 1716 if (!backend_.get() || !backend_initialized_) { 1717 return result.release(); 1718 } 1719 1720 FailedDataTypesHandler::TypeErrorMap error_map = 1721 failed_data_types_handler_.GetAllErrors(); 1722 1723 ModelTypeSet active_types; 1724 ModelTypeSet passive_types; 1725 ModelSafeRoutingInfo routing_info; 1726 backend_->GetModelSafeRoutingInfo(&routing_info); 1727 for (ModelSafeRoutingInfo::const_iterator it = routing_info.begin(); 1728 it != routing_info.end(); ++it) { 1729 if (it->second == syncer::GROUP_PASSIVE) { 1730 passive_types.Put(it->first); 1731 } else { 1732 active_types.Put(it->first); 1733 } 1734 } 1735 1736 SyncBackendHost::Status detailed_status = backend_->GetDetailedStatus(); 1737 ModelTypeSet &throttled_types(detailed_status.throttled_types); 1738 ModelTypeSet registered = GetRegisteredDataTypes(); 1739 scoped_ptr<DictionaryValue> type_status_header(new DictionaryValue()); 1740 1741 type_status_header->SetString("name", "Model Type"); 1742 type_status_header->SetString("status", "header"); 1743 type_status_header->SetString("value", "Group Type"); 1744 type_status_header->SetString("num_entries", "Total Entries"); 1745 type_status_header->SetString("num_live", "Live Entries"); 1746 result->Append(type_status_header.release()); 1747 1748 scoped_ptr<DictionaryValue> type_status; 1749 for (ModelTypeSet::Iterator it = registered.First(); it.Good(); it.Inc()) { 1750 ModelType type = it.Get(); 1751 1752 type_status.reset(new DictionaryValue()); 1753 type_status->SetString("name", ModelTypeToString(type)); 1754 1755 if (error_map.find(type) != error_map.end()) { 1756 const syncer::SyncError &error = error_map.find(type)->second; 1757 DCHECK(error.IsSet()); 1758 std::string error_text = "Error: " + error.location().ToString() + 1759 ", " + error.message(); 1760 type_status->SetString("status", "error"); 1761 type_status->SetString("value", error_text); 1762 } else if (throttled_types.Has(type) && passive_types.Has(type)) { 1763 type_status->SetString("status", "warning"); 1764 type_status->SetString("value", "Passive, Throttled"); 1765 } else if (passive_types.Has(type)) { 1766 type_status->SetString("status", "warning"); 1767 type_status->SetString("value", "Passive"); 1768 } else if (throttled_types.Has(type)) { 1769 type_status->SetString("status", "warning"); 1770 type_status->SetString("value", "Throttled"); 1771 } else if (active_types.Has(type)) { 1772 type_status->SetString("status", "ok"); 1773 type_status->SetString("value", "Active: " + 1774 ModelSafeGroupToString(routing_info[type])); 1775 } else { 1776 type_status->SetString("status", "warning"); 1777 type_status->SetString("value", "Disabled by User"); 1778 } 1779 1780 int live_count = detailed_status.num_entries_by_type[type] - 1781 detailed_status.num_to_delete_entries_by_type[type]; 1782 type_status->SetInteger("num_entries", 1783 detailed_status.num_entries_by_type[type]); 1784 type_status->SetInteger("num_live", live_count); 1785 1786 result->Append(type_status.release()); 1787 } 1788 return result.release(); 1789} 1790 1791void ProfileSyncService::ActivateDataType( 1792 syncer::ModelType type, syncer::ModelSafeGroup group, 1793 ChangeProcessor* change_processor) { 1794 if (!backend_) { 1795 NOTREACHED(); 1796 return; 1797 } 1798 DCHECK(backend_initialized_); 1799 backend_->ActivateDataType(type, group, change_processor); 1800} 1801 1802void ProfileSyncService::DeactivateDataType(syncer::ModelType type) { 1803 if (!backend_) 1804 return; 1805 backend_->DeactivateDataType(type); 1806} 1807 1808void ProfileSyncService::ConsumeCachedPassphraseIfPossible() { 1809 // If no cached passphrase, or sync backend hasn't started up yet, just exit. 1810 // If the backend isn't running yet, OnBackendInitialized() will call this 1811 // method again after the backend starts up. 1812 if (cached_passphrase_.empty() || !sync_initialized()) 1813 return; 1814 1815 // Backend is up and running, so we can consume the cached passphrase. 1816 std::string passphrase = cached_passphrase_; 1817 cached_passphrase_.clear(); 1818 1819 // If we need a passphrase to decrypt data, try the cached passphrase. 1820 if (passphrase_required_reason() == syncer::REASON_DECRYPTION) { 1821 if (SetDecryptionPassphrase(passphrase)) { 1822 DVLOG(1) << "Cached passphrase successfully decrypted pending keys"; 1823 return; 1824 } 1825 } 1826 1827 // If we get here, we don't have pending keys (or at least, the passphrase 1828 // doesn't decrypt them) - just try to re-encrypt using the encryption 1829 // passphrase. 1830 if (!IsUsingSecondaryPassphrase()) 1831 SetEncryptionPassphrase(passphrase, IMPLICIT); 1832} 1833 1834void ProfileSyncService::RequestAccessToken() { 1835 // Only one active request at a time. 1836 if (access_token_request_ != NULL) 1837 return; 1838 request_access_token_retry_timer_.Stop(); 1839 OAuth2TokenService::ScopeSet oauth2_scopes; 1840 bool is_managed = false; 1841#if defined(ENABLE_MANAGED_USERS) 1842 is_managed = ManagedUserService::ProfileIsManaged(profile_); 1843#endif 1844 if (is_managed) { 1845 oauth2_scopes.insert(GaiaConstants::kChromeSyncManagedOAuth2Scope); 1846 } else { 1847 oauth2_scopes.insert(GaiaConstants::kChromeSyncOAuth2Scope); 1848 } 1849 1850 OAuth2TokenService* token_service = 1851 ProfileOAuth2TokenServiceFactory::GetForProfile(profile_); 1852 // Invalidate previous token, otherwise token service will return the same 1853 // token again. 1854 if (!access_token_.empty()) 1855 token_service->InvalidateToken(oauth2_scopes, access_token_); 1856 access_token_.clear(); 1857 access_token_request_ = token_service->StartRequest(oauth2_scopes, this); 1858} 1859 1860void ProfileSyncService::SetEncryptionPassphrase(const std::string& passphrase, 1861 PassphraseType type) { 1862 // This should only be called when the backend has been initialized. 1863 DCHECK(sync_initialized()); 1864 DCHECK(!(type == IMPLICIT && IsUsingSecondaryPassphrase())) << 1865 "Data is already encrypted using an explicit passphrase"; 1866 DCHECK(!(type == EXPLICIT && 1867 passphrase_required_reason_ == syncer::REASON_DECRYPTION)) << 1868 "Can not set explicit passphrase when decryption is needed."; 1869 1870 DVLOG(1) << "Setting " << (type == EXPLICIT ? "explicit" : "implicit") 1871 << " passphrase for encryption."; 1872 if (passphrase_required_reason_ == syncer::REASON_ENCRYPTION) { 1873 // REASON_ENCRYPTION implies that the cryptographer does not have pending 1874 // keys. Hence, as long as we're not trying to do an invalid passphrase 1875 // change (e.g. explicit -> explicit or explicit -> implicit), we know this 1876 // will succeed. If for some reason a new encryption key arrives via 1877 // sync later, the SBH will trigger another OnPassphraseRequired(). 1878 passphrase_required_reason_ = syncer::REASON_PASSPHRASE_NOT_REQUIRED; 1879 NotifyObservers(); 1880 } 1881 backend_->SetEncryptionPassphrase(passphrase, type == EXPLICIT); 1882} 1883 1884bool ProfileSyncService::SetDecryptionPassphrase( 1885 const std::string& passphrase) { 1886 if (IsPassphraseRequired()) { 1887 DVLOG(1) << "Setting passphrase for decryption."; 1888 return backend_->SetDecryptionPassphrase(passphrase); 1889 } else { 1890 NOTREACHED() << "SetDecryptionPassphrase must not be called when " 1891 "IsPassphraseRequired() is false."; 1892 return false; 1893 } 1894} 1895 1896void ProfileSyncService::EnableEncryptEverything() { 1897 // Tests override sync_initialized() to always return true, so we 1898 // must check that instead of |backend_initialized_|. 1899 // TODO(akalin): Fix the above. :/ 1900 DCHECK(sync_initialized()); 1901 // TODO(atwilson): Persist the encryption_pending_ flag to address the various 1902 // problems around cancelling encryption in the background (crbug.com/119649). 1903 if (!encrypt_everything_) 1904 encryption_pending_ = true; 1905} 1906 1907bool ProfileSyncService::encryption_pending() const { 1908 // We may be called during the setup process before we're 1909 // initialized (via IsEncryptedDatatypeEnabled and 1910 // IsPassphraseRequiredForDecryption). 1911 return encryption_pending_; 1912} 1913 1914bool ProfileSyncService::EncryptEverythingEnabled() const { 1915 DCHECK(backend_initialized_); 1916 return encrypt_everything_ || encryption_pending_; 1917} 1918 1919syncer::ModelTypeSet ProfileSyncService::GetEncryptedDataTypes() const { 1920 DCHECK(encrypted_types_.Has(syncer::PASSWORDS)); 1921 // We may be called during the setup process before we're 1922 // initialized. In this case, we default to the sensitive types. 1923 return encrypted_types_; 1924} 1925 1926void ProfileSyncService::OnSyncManagedPrefChange(bool is_sync_managed) { 1927 NotifyObservers(); 1928 if (is_sync_managed) { 1929 DisableForUser(); 1930 } else { 1931 // Sync is no longer disabled by policy. Try starting it up if appropriate. 1932 TryStart(); 1933 } 1934} 1935 1936void ProfileSyncService::Observe(int type, 1937 const content::NotificationSource& source, 1938 const content::NotificationDetails& details) { 1939 switch (type) { 1940 case chrome::NOTIFICATION_GOOGLE_SIGNIN_SUCCESSFUL: { 1941 const GoogleServiceSigninSuccessDetails* successful = 1942 content::Details<const GoogleServiceSigninSuccessDetails>( 1943 details).ptr(); 1944 if (!sync_prefs_.IsStartSuppressed() && 1945 !successful->password.empty()) { 1946 cached_passphrase_ = successful->password; 1947 // Try to consume the passphrase we just cached. If the sync backend 1948 // is not running yet, the passphrase will remain cached until the 1949 // backend starts up. 1950 ConsumeCachedPassphraseIfPossible(); 1951 } 1952#if defined(OS_CHROMEOS) 1953 RefreshSpareBootstrapToken(successful->password); 1954#endif 1955 if (!sync_initialized() || 1956 GetAuthError().state() != AuthError::NONE) { 1957 // Track the fact that we're still waiting for auth to complete. 1958 is_auth_in_progress_ = true; 1959 } 1960 break; 1961 } 1962 case chrome::NOTIFICATION_GOOGLE_SIGNED_OUT: 1963 sync_disabled_by_admin_ = false; 1964 DisableForUser(); 1965 break; 1966 default: { 1967 NOTREACHED(); 1968 } 1969 } 1970} 1971 1972void ProfileSyncService::AddObserver( 1973 ProfileSyncServiceBase::Observer* observer) { 1974 observers_.AddObserver(observer); 1975} 1976 1977void ProfileSyncService::RemoveObserver( 1978 ProfileSyncServiceBase::Observer* observer) { 1979 observers_.RemoveObserver(observer); 1980} 1981 1982bool ProfileSyncService::HasObserver( 1983 ProfileSyncServiceBase::Observer* observer) const { 1984 return observers_.HasObserver(observer); 1985} 1986 1987base::WeakPtr<syncer::JsController> ProfileSyncService::GetJsController() { 1988 return sync_js_controller_.AsWeakPtr(); 1989} 1990 1991void ProfileSyncService::SyncEvent(SyncEventCodes code) { 1992 UMA_HISTOGRAM_ENUMERATION("Sync.EventCodes", code, MAX_SYNC_EVENT_CODE); 1993} 1994 1995// static 1996bool ProfileSyncService::IsSyncEnabled() { 1997 // We have switches::kEnableSync just in case we need to change back to 1998 // sync-disabled-by-default on a platform. 1999 return !CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableSync); 2000} 2001 2002bool ProfileSyncService::IsManaged() const { 2003 return sync_prefs_.IsManaged() || sync_disabled_by_admin_; 2004} 2005 2006bool ProfileSyncService::ShouldPushChanges() { 2007 // True only after all bootstrapping has succeeded: the sync backend 2008 // is initialized, all enabled data types are consistent with one 2009 // another, and no unrecoverable error has transpired. 2010 if (HasUnrecoverableError()) 2011 return false; 2012 2013 if (!data_type_manager_) 2014 return false; 2015 2016 return data_type_manager_->state() == DataTypeManager::CONFIGURED; 2017} 2018 2019void ProfileSyncService::StopAndSuppress() { 2020 sync_prefs_.SetStartSuppressed(true); 2021 if (backend_) { 2022 backend_->UnregisterInvalidationIds(); 2023 } 2024 ShutdownImpl(false); 2025} 2026 2027bool ProfileSyncService::IsStartSuppressed() const { 2028 return sync_prefs_.IsStartSuppressed(); 2029} 2030 2031void ProfileSyncService::UnsuppressAndStart() { 2032 DCHECK(profile_); 2033 sync_prefs_.SetStartSuppressed(false); 2034 // Set username in SigninManager, as SigninManager::OnGetUserInfoSuccess 2035 // is never called for some clients. 2036 if (signin_ && signin_->GetAuthenticatedUsername().empty()) { 2037 signin_->SetAuthenticatedUsername(sync_prefs_.GetGoogleServicesUsername()); 2038 } 2039 TryStart(); 2040} 2041 2042void ProfileSyncService::AcknowledgeSyncedTypes() { 2043 sync_prefs_.AcknowledgeSyncedTypes(GetRegisteredDataTypes()); 2044} 2045 2046void ProfileSyncService::ReconfigureDatatypeManager() { 2047 // If we haven't initialized yet, don't configure the DTM as it could cause 2048 // association to start before a Directory has even been created. 2049 if (backend_initialized_) { 2050 DCHECK(backend_.get()); 2051 ConfigureDataTypeManager(); 2052 } else if (HasUnrecoverableError()) { 2053 // There is nothing more to configure. So inform the listeners, 2054 NotifyObservers(); 2055 2056 DVLOG(1) << "ConfigureDataTypeManager not invoked because of an " 2057 << "Unrecoverable error."; 2058 } else { 2059 DVLOG(0) << "ConfigureDataTypeManager not invoked because backend is not " 2060 << "initialized"; 2061 } 2062} 2063 2064const FailedDataTypesHandler& ProfileSyncService::failed_data_types_handler() 2065 const { 2066 return failed_data_types_handler_; 2067} 2068 2069void ProfileSyncService::OnInternalUnrecoverableError( 2070 const tracked_objects::Location& from_here, 2071 const std::string& message, 2072 bool delete_sync_database, 2073 UnrecoverableErrorReason reason) { 2074 DCHECK(!HasUnrecoverableError()); 2075 unrecoverable_error_reason_ = reason; 2076 OnUnrecoverableErrorImpl(from_here, message, delete_sync_database); 2077} 2078 2079std::string ProfileSyncService::GetEffectiveUsername() { 2080#if defined(ENABLE_MANAGED_USERS) 2081 if (ManagedUserService::ProfileIsManaged(profile_)) { 2082 DCHECK_EQ(std::string(), signin_->GetAuthenticatedUsername()); 2083 return ManagedUserService::GetManagedUserPseudoEmail(); 2084 } 2085#endif 2086 2087 return signin_->GetAuthenticatedUsername(); 2088} 2089