content/browser/storage_partition_impl.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/browser/storage_partition_impl.h"
   6
   7 #include "base/sequenced_task_runner.h"
   8 #include "base/strings/utf_string_conversions.h"
   9 #include "content/browser/browser_main_loop.h"
  10 #include "content/browser/fileapi/browser_file_system_helper.h"
  11 #include "content/browser/gpu/shader_disk_cache.h"
  12 #include "content/common/dom_storage/dom_storage_types.h"
  13 #include "content/public/browser/browser_context.h"
  14 #include "content/public/browser/browser_thread.h"
  15 #include "content/public/browser/dom_storage_context.h"
  16 #include "content/public/browser/indexed_db_context.h"
  17 #include "content/public/browser/local_storage_usage_info.h"
  18 #include "content/public/browser/session_storage_usage_info.h"
  19 #include "net/base/completion_callback.h"
  20 #include "net/base/net_errors.h"
  21 #include "net/cookies/cookie_monster.h"
  22 #include "net/url_request/url_request_context.h"
  23 #include "net/url_request/url_request_context_getter.h"
  24 #include "webkit/browser/database/database_tracker.h"
  25 #include "webkit/browser/quota/quota_manager.h"
  26
  27 namespace content {
  28
  29 namespace {
  30
  31 void OnClearedCookies(const base::Closure& callback, int num_deleted) {
  32   // The final callback needs to happen from UI thread.
  33   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
  34     BrowserThread::PostTask(
  35         BrowserThread::UI, FROM_HERE,
  36         base::Bind(&OnClearedCookies, callback, num_deleted));
  37     return;
  38   }
  39
  40   callback.Run();
  41 }
  42
  43 void ClearCookiesOnIOThread(
  44     const scoped_refptr<net::URLRequestContextGetter>& rq_context,
  45     const base::Time begin,
  46     const base::Time end,
  47     const GURL& storage_origin,
  48     const base::Closure& callback) {
  49   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  50   net::CookieStore* cookie_store = rq_context->
  51       GetURLRequestContext()->cookie_store();
  52   if (storage_origin.is_empty()) {
  53     cookie_store->DeleteAllCreatedBetweenAsync(
  54         begin,
  55         end,
  56         base::Bind(&OnClearedCookies, callback));
  57   } else {
  58     cookie_store->DeleteAllCreatedBetweenForHostAsync(
  59         begin,
  60         end,
  61         storage_origin, base::Bind(&OnClearedCookies, callback));
  62   }
  63 }
  64
  65 void CheckQuotaManagedDataDeletionStatus(size_t* deletion_task_count,
  66                                          const base::Closure& callback) {
  67   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  68   if (*deletion_task_count == 0) {
  69     delete deletion_task_count;
  70     callback.Run();
  71   }
  72 }
  73
  74 void OnQuotaManagedOriginDeleted(const GURL& origin,
  75                                  storage::StorageType type,
  76                                  size_t* deletion_task_count,
  77                                  const base::Closure& callback,
  78                                  storage::QuotaStatusCode status) {
  79   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  80   DCHECK_GT(*deletion_task_count, 0u);
  81   if (status != storage::kQuotaStatusOk) {
  82     DLOG(ERROR) << "Couldn't remove data of type " << type << " for origin "
  83                 << origin << ". Status: " << status;
  84   }
  85
  86   (*deletion_task_count)--;
  87   CheckQuotaManagedDataDeletionStatus(deletion_task_count, callback);
  88 }
  89
  90 void ClearedShaderCache(const base::Closure& callback) {
  91   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
  92     BrowserThread::PostTask(
  93         BrowserThread::UI, FROM_HERE,
  94         base::Bind(&ClearedShaderCache, callback));
  95     return;
  96   }
  97   callback.Run();
  98 }
  99
 100 void ClearShaderCacheOnIOThread(const base::FilePath& path,
 101                                 const base::Time begin,
 102                                 const base::Time end,
 103                                 const base::Closure& callback) {
 104   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 105   ShaderCacheFactory::GetInstance()->ClearByPath(
 106       path, begin, end, base::Bind(&ClearedShaderCache, callback));
 107 }
 108
 109 void OnLocalStorageUsageInfo(
 110     const scoped_refptr<DOMStorageContextWrapper>& dom_storage_context,
 111     const scoped_refptr<storage::SpecialStoragePolicy>& special_storage_policy,
 112     const StoragePartition::OriginMatcherFunction& origin_matcher,
 113     const base::Time delete_begin,
 114     const base::Time delete_end,
 115     const base::Closure& callback,
 116     const std::vector<LocalStorageUsageInfo>& infos) {
 117   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 118
 119   for (size_t i = 0; i < infos.size(); ++i) {
 120     if (!origin_matcher.is_null() &&
 121         !origin_matcher.Run(infos[i].origin, special_storage_policy.get())) {
 122       continue;
 123     }
 124
 125     if (infos[i].last_modified >= delete_begin &&
 126         infos[i].last_modified <= delete_end) {
 127       dom_storage_context->DeleteLocalStorage(infos[i].origin);
 128     }
 129   }
 130   callback.Run();
 131 }
 132
 133 void OnSessionStorageUsageInfo(
 134     const scoped_refptr<DOMStorageContextWrapper>& dom_storage_context,
 135     const scoped_refptr<storage::SpecialStoragePolicy>& special_storage_policy,
 136     const StoragePartition::OriginMatcherFunction& origin_matcher,
 137     const base::Closure& callback,
 138     const std::vector<SessionStorageUsageInfo>& infos) {
 139   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 140
 141   for (size_t i = 0; i < infos.size(); ++i) {
 142     if (!origin_matcher.is_null() &&
 143         !origin_matcher.Run(infos[i].origin, special_storage_policy.get())) {
 144       continue;
 145     }
 146     dom_storage_context->DeleteSessionStorage(infos[i]);
 147   }
 148
 149   callback.Run();
 150 }
 151
 152 void ClearLocalStorageOnUIThread(
 153     const scoped_refptr<DOMStorageContextWrapper>& dom_storage_context,
 154     const scoped_refptr<storage::SpecialStoragePolicy>& special_storage_policy,
 155     const StoragePartition::OriginMatcherFunction& origin_matcher,
 156     const GURL& storage_origin,
 157     const base::Time begin,
 158     const base::Time end,
 159     const base::Closure& callback) {
 160   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 161
 162   if (!storage_origin.is_empty()) {
 163     bool can_delete = origin_matcher.is_null() ||
 164                       origin_matcher.Run(storage_origin,
 165                                          special_storage_policy.get());
 166     if (can_delete)
 167       dom_storage_context->DeleteLocalStorage(storage_origin);
 168
 169     callback.Run();
 170     return;
 171   }
 172
 173   dom_storage_context->GetLocalStorageUsage(
 174       base::Bind(&OnLocalStorageUsageInfo,
 175                  dom_storage_context, special_storage_policy, origin_matcher,
 176                  begin, end, callback));
 177 }
 178
 179 void ClearSessionStorageOnUIThread(
 180     const scoped_refptr<DOMStorageContextWrapper>& dom_storage_context,
 181     const scoped_refptr<storage::SpecialStoragePolicy>& special_storage_policy,
 182     const StoragePartition::OriginMatcherFunction& origin_matcher,
 183     const base::Closure& callback) {
 184   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 185
 186   dom_storage_context->GetSessionStorageUsage(
 187       base::Bind(&OnSessionStorageUsageInfo, dom_storage_context,
 188                  special_storage_policy, origin_matcher,
 189                  callback));
 190 }
 191
 192 }  // namespace
 193
 194 // static
 195 STATIC_CONST_MEMBER_DEFINITION const uint32
 196     StoragePartition::REMOVE_DATA_MASK_APPCACHE;
 197 STATIC_CONST_MEMBER_DEFINITION const uint32
 198     StoragePartition::REMOVE_DATA_MASK_COOKIES;
 199 STATIC_CONST_MEMBER_DEFINITION const uint32
 200     StoragePartition::REMOVE_DATA_MASK_FILE_SYSTEMS;
 201 STATIC_CONST_MEMBER_DEFINITION const uint32
 202     StoragePartition::REMOVE_DATA_MASK_INDEXEDDB;
 203 STATIC_CONST_MEMBER_DEFINITION const uint32
 204     StoragePartition::REMOVE_DATA_MASK_LOCAL_STORAGE;
 205 STATIC_CONST_MEMBER_DEFINITION const uint32
 206     StoragePartition::REMOVE_DATA_MASK_SERVICE_WORKERS;
 207 STATIC_CONST_MEMBER_DEFINITION const uint32
 208     StoragePartition::REMOVE_DATA_MASK_SHADER_CACHE;
 209 STATIC_CONST_MEMBER_DEFINITION const uint32
 210     StoragePartition::REMOVE_DATA_MASK_WEBSQL;
 211 STATIC_CONST_MEMBER_DEFINITION const uint32
 212     StoragePartition::REMOVE_DATA_MASK_WEBRTC_IDENTITY;
 213 STATIC_CONST_MEMBER_DEFINITION const uint32
 214     StoragePartition::REMOVE_DATA_MASK_ALL;
 215 STATIC_CONST_MEMBER_DEFINITION const uint32
 216     StoragePartition::QUOTA_MANAGED_STORAGE_MASK_TEMPORARY;
 217 STATIC_CONST_MEMBER_DEFINITION const uint32
 218     StoragePartition::QUOTA_MANAGED_STORAGE_MASK_PERSISTENT;
 219 STATIC_CONST_MEMBER_DEFINITION const uint32
 220     StoragePartition::QUOTA_MANAGED_STORAGE_MASK_SYNCABLE;
 221 STATIC_CONST_MEMBER_DEFINITION const uint32
 222     StoragePartition::QUOTA_MANAGED_STORAGE_MASK_ALL;
 223
 224 // Static.
 225 int StoragePartitionImpl::GenerateQuotaClientMask(uint32 remove_mask) {
 226   int quota_client_mask = 0;
 227
 228   if (remove_mask & StoragePartition::REMOVE_DATA_MASK_FILE_SYSTEMS)
 229     quota_client_mask |= storage::QuotaClient::kFileSystem;
 230   if (remove_mask & StoragePartition::REMOVE_DATA_MASK_WEBSQL)
 231     quota_client_mask |= storage::QuotaClient::kDatabase;
 232   if (remove_mask & StoragePartition::REMOVE_DATA_MASK_APPCACHE)
 233     quota_client_mask |= storage::QuotaClient::kAppcache;
 234   if (remove_mask & StoragePartition::REMOVE_DATA_MASK_INDEXEDDB)
 235     quota_client_mask |= storage::QuotaClient::kIndexedDatabase;
 236   // TODO(jsbell): StoragePartition::REMOVE_DATA_MASK_SERVICE_WORKERS)
 237
 238   return quota_client_mask;
 239 }
 240
 241 // Helper for deleting quota managed data from a partition.
 242 //
 243 // Most of the operations in this class are done on IO thread.
 244 struct StoragePartitionImpl::QuotaManagedDataDeletionHelper {
 245   QuotaManagedDataDeletionHelper(uint32 remove_mask,
 246                                  uint32 quota_storage_remove_mask,
 247                                  const GURL& storage_origin,
 248                                  const base::Closure& callback)
 249       : remove_mask(remove_mask),
 250         quota_storage_remove_mask(quota_storage_remove_mask),
 251         storage_origin(storage_origin),
 252         callback(callback),
 253         task_count(0) {
 254   }
 255
 256   void IncrementTaskCountOnIO();
 257   void DecrementTaskCountOnIO();
 258
 259   void ClearDataOnIOThread(
 260       const scoped_refptr<storage::QuotaManager>& quota_manager,
 261       const base::Time begin,
 262       const scoped_refptr<storage::SpecialStoragePolicy>&
 263           special_storage_policy,
 264       const StoragePartition::OriginMatcherFunction& origin_matcher);
 265
 266   void ClearOriginsOnIOThread(
 267       storage::QuotaManager* quota_manager,
 268       const scoped_refptr<storage::SpecialStoragePolicy>&
 269           special_storage_policy,
 270       const StoragePartition::OriginMatcherFunction& origin_matcher,
 271       const base::Closure& callback,
 272       const std::set<GURL>& origins,
 273       storage::StorageType quota_storage_type);
 274
 275   // All of these data are accessed on IO thread.
 276   uint32 remove_mask;
 277   uint32 quota_storage_remove_mask;
 278   GURL storage_origin;
 279   const base::Closure callback;
 280   int task_count;
 281 };
 282
 283 // Helper for deleting all sorts of data from a partition, keeps track of
 284 // deletion status.
 285 //
 286 // StoragePartitionImpl creates an instance of this class to keep track of
 287 // data deletion progress. Deletion requires deleting multiple bits of data
 288 // (e.g. cookies, local storage, session storage etc.) and hopping between UI
 289 // and IO thread. An instance of this class is created in the beginning of
 290 // deletion process (StoragePartitionImpl::ClearDataImpl) and the instance is
 291 // forwarded and updated on each (sub) deletion's callback. The instance is
 292 // finally destroyed when deletion completes (and |callback| is invoked).
 293 struct StoragePartitionImpl::DataDeletionHelper {
 294   DataDeletionHelper(uint32 remove_mask,
 295                      uint32 quota_storage_remove_mask,
 296                      const base::Closure& callback)
 297                      : remove_mask(remove_mask),
 298                        quota_storage_remove_mask(quota_storage_remove_mask),
 299                        callback(callback),
 300                        task_count(0) {
 301   }
 302
 303   void IncrementTaskCountOnUI();
 304   void DecrementTaskCountOnUI();
 305
 306   void ClearDataOnUIThread(
 307       const GURL& storage_origin,
 308       const OriginMatcherFunction& origin_matcher,
 309       const base::FilePath& path,
 310       net::URLRequestContextGetter* rq_context,
 311       DOMStorageContextWrapper* dom_storage_context,
 312       storage::QuotaManager* quota_manager,
 313       storage::SpecialStoragePolicy* special_storage_policy,
 314       WebRTCIdentityStore* webrtc_identity_store,
 315       const base::Time begin,
 316       const base::Time end);
 317
 318   void ClearQuotaManagedDataOnIOThread(
 319       const scoped_refptr<storage::QuotaManager>& quota_manager,
 320       const base::Time begin,
 321       const GURL& storage_origin,
 322       const scoped_refptr<storage::SpecialStoragePolicy>&
 323           special_storage_policy,
 324       const StoragePartition::OriginMatcherFunction& origin_matcher,
 325       const base::Closure& callback);
 326
 327   uint32 remove_mask;
 328   uint32 quota_storage_remove_mask;
 329
 330   // Accessed on UI thread.
 331   const base::Closure callback;
 332   // Accessed on UI thread.
 333   int task_count;
 334 };
 335
 336 void StoragePartitionImpl::DataDeletionHelper::ClearQuotaManagedDataOnIOThread(
 337     const scoped_refptr<storage::QuotaManager>& quota_manager,
 338     const base::Time begin,
 339     const GURL& storage_origin,
 340     const scoped_refptr<storage::SpecialStoragePolicy>& special_storage_policy,
 341     const StoragePartition::OriginMatcherFunction& origin_matcher,
 342     const base::Closure& callback) {
 343   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 344
 345   StoragePartitionImpl::QuotaManagedDataDeletionHelper* helper =
 346       new StoragePartitionImpl::QuotaManagedDataDeletionHelper(
 347           remove_mask,
 348           quota_storage_remove_mask,
 349           storage_origin,
 350           callback);
 351   helper->ClearDataOnIOThread(quota_manager, begin, special_storage_policy,
 352                               origin_matcher);
 353 }
 354
 355 StoragePartitionImpl::StoragePartitionImpl(
 356     const base::FilePath& partition_path,
 357     storage::QuotaManager* quota_manager,
 358     ChromeAppCacheService* appcache_service,
 359     storage::FileSystemContext* filesystem_context,
 360     storage::DatabaseTracker* database_tracker,
 361     DOMStorageContextWrapper* dom_storage_context,
 362     IndexedDBContextImpl* indexed_db_context,
 363     ServiceWorkerContextWrapper* service_worker_context,
 364     WebRTCIdentityStore* webrtc_identity_store,
 365     storage::SpecialStoragePolicy* special_storage_policy)
 366     : partition_path_(partition_path),
 367       quota_manager_(quota_manager),
 368       appcache_service_(appcache_service),
 369       filesystem_context_(filesystem_context),
 370       database_tracker_(database_tracker),
 371       dom_storage_context_(dom_storage_context),
 372       indexed_db_context_(indexed_db_context),
 373       service_worker_context_(service_worker_context),
 374       webrtc_identity_store_(webrtc_identity_store),
 375       special_storage_policy_(special_storage_policy) {
 376 }
 377
 378 StoragePartitionImpl::~StoragePartitionImpl() {
 379   // These message loop checks are just to avoid leaks in unittests.
 380   if (GetDatabaseTracker() &&
 381       BrowserThread::IsMessageLoopValid(BrowserThread::FILE)) {
 382     BrowserThread::PostTask(
 383         BrowserThread::FILE,
 384         FROM_HERE,
 385         base::Bind(&storage::DatabaseTracker::Shutdown, GetDatabaseTracker()));
 386   }
 387
 388   if (GetFileSystemContext())
 389     GetFileSystemContext()->Shutdown();
 390
 391   if (GetDOMStorageContext())
 392     GetDOMStorageContext()->Shutdown();
 393
 394   if (GetServiceWorkerContext())
 395     GetServiceWorkerContext()->Shutdown();
 396 }
 397
 398 // TODO(ajwong): Break the direct dependency on |context|. We only
 399 // need 3 pieces of info from it.
 400 StoragePartitionImpl* StoragePartitionImpl::Create(
 401     BrowserContext* context,
 402     bool in_memory,
 403     const base::FilePath& partition_path) {
 404   // Ensure that these methods are called on the UI thread, except for
 405   // unittests where a UI thread might not have been created.
 406   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI) ||
 407          !BrowserThread::IsMessageLoopValid(BrowserThread::UI));
 408
 409   // All of the clients have to be created and registered with the
 410   // QuotaManager prior to the QuotaManger being used. We do them
 411   // all together here prior to handing out a reference to anything
 412   // that utilizes the QuotaManager.
 413   scoped_refptr<storage::QuotaManager> quota_manager =
 414       new storage::QuotaManager(
 415           in_memory,
 416           partition_path,
 417           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO).get(),
 418           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::DB).get(),
 419           context->GetSpecialStoragePolicy());
 420
 421   // Each consumer is responsible for registering its QuotaClient during
 422   // its construction.
 423   scoped_refptr<storage::FileSystemContext> filesystem_context =
 424       CreateFileSystemContext(
 425           context, partition_path, in_memory, quota_manager->proxy());
 426
 427   scoped_refptr<storage::DatabaseTracker> database_tracker =
 428       new storage::DatabaseTracker(partition_path,
 429                                    in_memory,
 430                                    context->GetSpecialStoragePolicy(),
 431                                    quota_manager->proxy(),
 432                                    BrowserThread::GetMessageLoopProxyForThread(
 433                                        BrowserThread::FILE).get());
 434
 435   base::FilePath path = in_memory ? base::FilePath() : partition_path;
 436   scoped_refptr<DOMStorageContextWrapper> dom_storage_context =
 437       new DOMStorageContextWrapper(path, context->GetSpecialStoragePolicy());
 438
 439   // BrowserMainLoop may not be initialized in unit tests. Tests will
 440   // need to inject their own task runner into the IndexedDBContext.
 441   base::SequencedTaskRunner* idb_task_runner =
 442       BrowserThread::CurrentlyOn(BrowserThread::UI) &&
 443               BrowserMainLoop::GetInstance()
 444           ? BrowserMainLoop::GetInstance()->indexed_db_thread()
 445                 ->message_loop_proxy().get()
 446           : NULL;
 447   scoped_refptr<IndexedDBContextImpl> indexed_db_context =
 448       new IndexedDBContextImpl(path,
 449                                context->GetSpecialStoragePolicy(),
 450                                quota_manager->proxy(),
 451                                idb_task_runner);
 452
 453   scoped_refptr<ServiceWorkerContextWrapper> service_worker_context =
 454       new ServiceWorkerContextWrapper(context);
 455   service_worker_context->Init(path, quota_manager->proxy());
 456
 457   scoped_refptr<ChromeAppCacheService> appcache_service =
 458       new ChromeAppCacheService(quota_manager->proxy());
 459
 460   scoped_refptr<WebRTCIdentityStore> webrtc_identity_store(
 461       new WebRTCIdentityStore(path, context->GetSpecialStoragePolicy()));
 462
 463   scoped_refptr<storage::SpecialStoragePolicy> special_storage_policy(
 464       context->GetSpecialStoragePolicy());
 465
 466   return new StoragePartitionImpl(partition_path,
 467                                   quota_manager.get(),
 468                                   appcache_service.get(),
 469                                   filesystem_context.get(),
 470                                   database_tracker.get(),
 471                                   dom_storage_context.get(),
 472                                   indexed_db_context.get(),
 473                                   service_worker_context.get(),
 474                                   webrtc_identity_store.get(),
 475                                   special_storage_policy.get());
 476 }
 477
 478 base::FilePath StoragePartitionImpl::GetPath() {
 479   return partition_path_;
 480 }
 481
 482 net::URLRequestContextGetter* StoragePartitionImpl::GetURLRequestContext() {
 483   return url_request_context_.get();
 484 }
 485
 486 net::URLRequestContextGetter*
 487 StoragePartitionImpl::GetMediaURLRequestContext() {
 488   return media_url_request_context_.get();
 489 }
 490
 491 storage::QuotaManager* StoragePartitionImpl::GetQuotaManager() {
 492   return quota_manager_.get();
 493 }
 494
 495 ChromeAppCacheService* StoragePartitionImpl::GetAppCacheService() {
 496   return appcache_service_.get();
 497 }
 498
 499 storage::FileSystemContext* StoragePartitionImpl::GetFileSystemContext() {
 500   return filesystem_context_.get();
 501 }
 502
 503 storage::DatabaseTracker* StoragePartitionImpl::GetDatabaseTracker() {
 504   return database_tracker_.get();
 505 }
 506
 507 DOMStorageContextWrapper* StoragePartitionImpl::GetDOMStorageContext() {
 508   return dom_storage_context_.get();
 509 }
 510
 511 IndexedDBContextImpl* StoragePartitionImpl::GetIndexedDBContext() {
 512   return indexed_db_context_.get();
 513 }
 514
 515 ServiceWorkerContextWrapper* StoragePartitionImpl::GetServiceWorkerContext() {
 516   return service_worker_context_.get();
 517 }
 518
 519 void StoragePartitionImpl::ClearDataImpl(
 520     uint32 remove_mask,
 521     uint32 quota_storage_remove_mask,
 522     const GURL& storage_origin,
 523     const OriginMatcherFunction& origin_matcher,
 524     net::URLRequestContextGetter* rq_context,
 525     const base::Time begin,
 526     const base::Time end,
 527     const base::Closure& callback) {
 528   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 529   DataDeletionHelper* helper = new DataDeletionHelper(remove_mask,
 530                                                       quota_storage_remove_mask,
 531                                                       callback);
 532   // |helper| deletes itself when done in
 533   // DataDeletionHelper::DecrementTaskCountOnUI().
 534   helper->ClearDataOnUIThread(storage_origin,
 535                               origin_matcher,
 536                               GetPath(),
 537                               rq_context,
 538                               dom_storage_context_.get(),
 539                               quota_manager_.get(),
 540                               special_storage_policy_.get(),
 541                               webrtc_identity_store_.get(),
 542                               begin,
 543                               end);
 544 }
 545
 546 void StoragePartitionImpl::
 547     QuotaManagedDataDeletionHelper::IncrementTaskCountOnIO() {
 548   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 549   ++task_count;
 550 }
 551
 552 void StoragePartitionImpl::
 553     QuotaManagedDataDeletionHelper::DecrementTaskCountOnIO() {
 554   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 555   DCHECK_GT(task_count, 0);
 556   --task_count;
 557   if (task_count)
 558     return;
 559
 560   callback.Run();
 561   delete this;
 562 }
 563
 564 void StoragePartitionImpl::QuotaManagedDataDeletionHelper::ClearDataOnIOThread(
 565     const scoped_refptr<storage::QuotaManager>& quota_manager,
 566     const base::Time begin,
 567     const scoped_refptr<storage::SpecialStoragePolicy>& special_storage_policy,
 568     const StoragePartition::OriginMatcherFunction& origin_matcher) {
 569   IncrementTaskCountOnIO();
 570   base::Closure decrement_callback = base::Bind(
 571       &QuotaManagedDataDeletionHelper::DecrementTaskCountOnIO,
 572       base::Unretained(this));
 573
 574   if (quota_storage_remove_mask & QUOTA_MANAGED_STORAGE_MASK_PERSISTENT) {
 575     IncrementTaskCountOnIO();
 576     // Ask the QuotaManager for all origins with persistent quota modified
 577     // within the user-specified timeframe, and deal with the resulting set in
 578     // ClearQuotaManagedOriginsOnIOThread().
 579     quota_manager->GetOriginsModifiedSince(
 580         storage::kStorageTypePersistent,
 581         begin,
 582         base::Bind(&QuotaManagedDataDeletionHelper::ClearOriginsOnIOThread,
 583                    base::Unretained(this),
 584                    quota_manager,
 585                    special_storage_policy,
 586                    origin_matcher,
 587                    decrement_callback));
 588   }
 589
 590   // Do the same for temporary quota.
 591   if (quota_storage_remove_mask & QUOTA_MANAGED_STORAGE_MASK_TEMPORARY) {
 592     IncrementTaskCountOnIO();
 593     quota_manager->GetOriginsModifiedSince(
 594         storage::kStorageTypeTemporary,
 595         begin,
 596         base::Bind(&QuotaManagedDataDeletionHelper::ClearOriginsOnIOThread,
 597                    base::Unretained(this),
 598                    quota_manager,
 599                    special_storage_policy,
 600                    origin_matcher,
 601                    decrement_callback));
 602   }
 603
 604   // Do the same for syncable quota.
 605   if (quota_storage_remove_mask & QUOTA_MANAGED_STORAGE_MASK_SYNCABLE) {
 606     IncrementTaskCountOnIO();
 607     quota_manager->GetOriginsModifiedSince(
 608         storage::kStorageTypeSyncable,
 609         begin,
 610         base::Bind(&QuotaManagedDataDeletionHelper::ClearOriginsOnIOThread,
 611                    base::Unretained(this),
 612                    quota_manager,
 613                    special_storage_policy,
 614                    origin_matcher,
 615                    decrement_callback));
 616   }
 617
 618   DecrementTaskCountOnIO();
 619 }
 620
 621 void
 622 StoragePartitionImpl::QuotaManagedDataDeletionHelper::ClearOriginsOnIOThread(
 623     storage::QuotaManager* quota_manager,
 624     const scoped_refptr<storage::SpecialStoragePolicy>& special_storage_policy,
 625     const StoragePartition::OriginMatcherFunction& origin_matcher,
 626     const base::Closure& callback,
 627     const std::set<GURL>& origins,
 628     storage::StorageType quota_storage_type) {
 629   // The QuotaManager manages all storage other than cookies, LocalStorage,
 630   // and SessionStorage. This loop wipes out most HTML5 storage for the given
 631   // origins.
 632   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 633   if (!origins.size()) {
 634     callback.Run();
 635     return;
 636   }
 637
 638   size_t* deletion_task_count = new size_t(0u);
 639   (*deletion_task_count)++;
 640   for (std::set<GURL>::const_iterator origin = origins.begin();
 641        origin != origins.end(); ++origin) {
 642     // TODO(mkwst): Clean this up, it's slow. http://crbug.com/130746
 643     if (!storage_origin.is_empty() && origin->GetOrigin() != storage_origin)
 644       continue;
 645
 646     if (!origin_matcher.is_null() &&
 647         !origin_matcher.Run(*origin, special_storage_policy.get())) {
 648       continue;
 649     }
 650
 651     (*deletion_task_count)++;
 652     quota_manager->DeleteOriginData(
 653         *origin, quota_storage_type,
 654         StoragePartitionImpl::GenerateQuotaClientMask(remove_mask),
 655         base::Bind(&OnQuotaManagedOriginDeleted,
 656                    origin->GetOrigin(), quota_storage_type,
 657                    deletion_task_count, callback));
 658   }
 659   (*deletion_task_count)--;
 660
 661   CheckQuotaManagedDataDeletionStatus(deletion_task_count, callback);
 662 }
 663
 664 void StoragePartitionImpl::DataDeletionHelper::IncrementTaskCountOnUI() {
 665   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 666   ++task_count;
 667 }
 668
 669 void StoragePartitionImpl::DataDeletionHelper::DecrementTaskCountOnUI() {
 670   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
 671     BrowserThread::PostTask(
 672         BrowserThread::UI, FROM_HERE,
 673         base::Bind(&DataDeletionHelper::DecrementTaskCountOnUI,
 674                    base::Unretained(this)));
 675     return;
 676   }
 677   DCHECK_GT(task_count, 0);
 678   --task_count;
 679   if (!task_count) {
 680     callback.Run();
 681     delete this;
 682   }
 683 }
 684
 685 void StoragePartitionImpl::DataDeletionHelper::ClearDataOnUIThread(
 686     const GURL& storage_origin,
 687     const OriginMatcherFunction& origin_matcher,
 688     const base::FilePath& path,
 689     net::URLRequestContextGetter* rq_context,
 690     DOMStorageContextWrapper* dom_storage_context,
 691     storage::QuotaManager* quota_manager,
 692     storage::SpecialStoragePolicy* special_storage_policy,
 693     WebRTCIdentityStore* webrtc_identity_store,
 694     const base::Time begin,
 695     const base::Time end) {
 696   DCHECK_NE(remove_mask, 0u);
 697   DCHECK(!callback.is_null());
 698
 699   IncrementTaskCountOnUI();
 700   base::Closure decrement_callback = base::Bind(
 701       &DataDeletionHelper::DecrementTaskCountOnUI, base::Unretained(this));
 702
 703   if (remove_mask & REMOVE_DATA_MASK_COOKIES) {
 704     // Handle the cookies.
 705     IncrementTaskCountOnUI();
 706     BrowserThread::PostTask(
 707         BrowserThread::IO, FROM_HERE,
 708         base::Bind(&ClearCookiesOnIOThread,
 709                    make_scoped_refptr(rq_context), begin, end, storage_origin,
 710                    decrement_callback));
 711   }
 712
 713   if (remove_mask & REMOVE_DATA_MASK_INDEXEDDB ||
 714       remove_mask & REMOVE_DATA_MASK_WEBSQL ||
 715       remove_mask & REMOVE_DATA_MASK_APPCACHE ||
 716       remove_mask & REMOVE_DATA_MASK_FILE_SYSTEMS ||
 717       remove_mask & REMOVE_DATA_MASK_SERVICE_WORKERS) {
 718     IncrementTaskCountOnUI();
 719     BrowserThread::PostTask(
 720         BrowserThread::IO, FROM_HERE,
 721         base::Bind(&DataDeletionHelper::ClearQuotaManagedDataOnIOThread,
 722                    base::Unretained(this),
 723                    make_scoped_refptr(quota_manager),
 724                    begin,
 725                    storage_origin,
 726                    make_scoped_refptr(special_storage_policy),
 727                    origin_matcher,
 728                    decrement_callback));
 729   }
 730
 731   if (remove_mask & REMOVE_DATA_MASK_LOCAL_STORAGE) {
 732     IncrementTaskCountOnUI();
 733     ClearLocalStorageOnUIThread(
 734         make_scoped_refptr(dom_storage_context),
 735         make_scoped_refptr(special_storage_policy),
 736         origin_matcher,
 737         storage_origin, begin, end,
 738         decrement_callback);
 739
 740     // ClearDataImpl cannot clear session storage data when a particular origin
 741     // is specified. Therefore we ignore clearing session storage in this case.
 742     // TODO(lazyboy): Fix.
 743     if (storage_origin.is_empty()) {
 744       IncrementTaskCountOnUI();
 745       ClearSessionStorageOnUIThread(
 746           make_scoped_refptr(dom_storage_context),
 747           make_scoped_refptr(special_storage_policy),
 748           origin_matcher,
 749           decrement_callback);
 750     }
 751   }
 752
 753   if (remove_mask & REMOVE_DATA_MASK_SHADER_CACHE) {
 754     IncrementTaskCountOnUI();
 755     BrowserThread::PostTask(
 756         BrowserThread::IO, FROM_HERE,
 757         base::Bind(&ClearShaderCacheOnIOThread,
 758                    path, begin, end, decrement_callback));
 759   }
 760
 761   if (remove_mask & REMOVE_DATA_MASK_WEBRTC_IDENTITY) {
 762     IncrementTaskCountOnUI();
 763     BrowserThread::PostTask(
 764         BrowserThread::IO,
 765         FROM_HERE,
 766         base::Bind(&WebRTCIdentityStore::DeleteBetween,
 767                    webrtc_identity_store,
 768                    begin,
 769                    end,
 770                    decrement_callback));
 771   }
 772
 773   DecrementTaskCountOnUI();
 774 }
 775
 776 void StoragePartitionImpl::ClearDataForOrigin(
 777     uint32 remove_mask,
 778     uint32 quota_storage_remove_mask,
 779     const GURL& storage_origin,
 780     net::URLRequestContextGetter* request_context_getter,
 781     const base::Closure& callback) {
 782   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 783   ClearDataImpl(remove_mask,
 784                 quota_storage_remove_mask,
 785                 storage_origin,
 786                 OriginMatcherFunction(),
 787                 request_context_getter,
 788                 base::Time(),
 789                 base::Time::Max(),
 790                 callback);
 791 }
 792
 793 void StoragePartitionImpl::ClearData(
 794     uint32 remove_mask,
 795     uint32 quota_storage_remove_mask,
 796     const GURL& storage_origin,
 797     const OriginMatcherFunction& origin_matcher,
 798     const base::Time begin,
 799     const base::Time end,
 800     const base::Closure& callback) {
 801   ClearDataImpl(remove_mask, quota_storage_remove_mask, storage_origin,
 802                 origin_matcher, GetURLRequestContext(), begin, end, callback);
 803 }
 804
 805 WebRTCIdentityStore* StoragePartitionImpl::GetWebRTCIdentityStore() {
 806   return webrtc_identity_store_.get();
 807 }
 808
 809 void StoragePartitionImpl::OverrideQuotaManagerForTesting(
 810     storage::QuotaManager* quota_manager) {
 811   quota_manager_ = quota_manager;
 812 }
 813
 814 void StoragePartitionImpl::OverrideSpecialStoragePolicyForTesting(
 815     storage::SpecialStoragePolicy* special_storage_policy) {
 816   special_storage_policy_ = special_storage_policy;
 817 }
 818
 819 void StoragePartitionImpl::SetURLRequestContext(
 820     net::URLRequestContextGetter* url_request_context) {
 821   url_request_context_ = url_request_context;
 822 }
 823
 824 void StoragePartitionImpl::SetMediaURLRequestContext(
 825     net::URLRequestContextGetter* media_url_request_context) {
 826   media_url_request_context_ = media_url_request_context;
 827 }
 828
 829 }  // namespace content