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                                  quota::StorageType type,
  76                                  size_t* deletion_task_count,
  77                                  const base::Closure& callback,
  78                                  quota::QuotaStatusCode status) {
  79   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
  80   DCHECK_GT(*deletion_task_count, 0u);
  81   if (status != quota::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<quota::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<quota::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<quota::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<quota::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 |= quota::QuotaClient::kFileSystem;
 230   if (remove_mask & StoragePartition::REMOVE_DATA_MASK_WEBSQL)
 231     quota_client_mask |= quota::QuotaClient::kDatabase;
 232   if (remove_mask & StoragePartition::REMOVE_DATA_MASK_APPCACHE)
 233     quota_client_mask |= quota::QuotaClient::kAppcache;
 234   if (remove_mask & StoragePartition::REMOVE_DATA_MASK_INDEXEDDB)
 235     quota_client_mask |= quota::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<quota::QuotaManager>& quota_manager,
 261       const base::Time begin,
 262       const scoped_refptr<quota::SpecialStoragePolicy>& special_storage_policy,
 263       const StoragePartition::OriginMatcherFunction& origin_matcher);
 264
 265   void ClearOriginsOnIOThread(
 266       quota::QuotaManager* quota_manager,
 267       const scoped_refptr<quota::SpecialStoragePolicy>& special_storage_policy,
 268       const StoragePartition::OriginMatcherFunction& origin_matcher,
 269       const base::Closure& callback,
 270       const std::set<GURL>& origins,
 271       quota::StorageType quota_storage_type);
 272
 273   // All of these data are accessed on IO thread.
 274   uint32 remove_mask;
 275   uint32 quota_storage_remove_mask;
 276   GURL storage_origin;
 277   const base::Closure callback;
 278   int task_count;
 279 };
 280
 281 // Helper for deleting all sorts of data from a partition, keeps track of
 282 // deletion status.
 283 //
 284 // StoragePartitionImpl creates an instance of this class to keep track of
 285 // data deletion progress. Deletion requires deleting multiple bits of data
 286 // (e.g. cookies, local storage, session storage etc.) and hopping between UI
 287 // and IO thread. An instance of this class is created in the beginning of
 288 // deletion process (StoragePartitionImpl::ClearDataImpl) and the instance is
 289 // forwarded and updated on each (sub) deletion's callback. The instance is
 290 // finally destroyed when deletion completes (and |callback| is invoked).
 291 struct StoragePartitionImpl::DataDeletionHelper {
 292   DataDeletionHelper(uint32 remove_mask,
 293                      uint32 quota_storage_remove_mask,
 294                      const base::Closure& callback)
 295                      : remove_mask(remove_mask),
 296                        quota_storage_remove_mask(quota_storage_remove_mask),
 297                        callback(callback),
 298                        task_count(0) {
 299   }
 300
 301   void IncrementTaskCountOnUI();
 302   void DecrementTaskCountOnUI();
 303
 304   void ClearDataOnUIThread(const GURL& storage_origin,
 305                            const OriginMatcherFunction& origin_matcher,
 306                            const base::FilePath& path,
 307                            net::URLRequestContextGetter* rq_context,
 308                            DOMStorageContextWrapper* dom_storage_context,
 309                            quota::QuotaManager* quota_manager,
 310                            quota::SpecialStoragePolicy* special_storage_policy,
 311                            WebRTCIdentityStore* webrtc_identity_store,
 312                            const base::Time begin,
 313                            const base::Time end);
 314
 315   void ClearQuotaManagedDataOnIOThread(
 316       const scoped_refptr<quota::QuotaManager>& quota_manager,
 317       const base::Time begin,
 318       const GURL& storage_origin,
 319       const scoped_refptr<quota::SpecialStoragePolicy>& special_storage_policy,
 320       const StoragePartition::OriginMatcherFunction& origin_matcher,
 321       const base::Closure& callback);
 322
 323   uint32 remove_mask;
 324   uint32 quota_storage_remove_mask;
 325
 326   // Accessed on UI thread.
 327   const base::Closure callback;
 328   // Accessed on UI thread.
 329   int task_count;
 330 };
 331
 332 void StoragePartitionImpl::DataDeletionHelper::ClearQuotaManagedDataOnIOThread(
 333     const scoped_refptr<quota::QuotaManager>& quota_manager,
 334     const base::Time begin,
 335     const GURL& storage_origin,
 336     const scoped_refptr<quota::SpecialStoragePolicy>& special_storage_policy,
 337     const StoragePartition::OriginMatcherFunction& origin_matcher,
 338     const base::Closure& callback) {
 339   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 340
 341   StoragePartitionImpl::QuotaManagedDataDeletionHelper* helper =
 342       new StoragePartitionImpl::QuotaManagedDataDeletionHelper(
 343           remove_mask,
 344           quota_storage_remove_mask,
 345           storage_origin,
 346           callback);
 347   helper->ClearDataOnIOThread(quota_manager, begin, special_storage_policy,
 348                               origin_matcher);
 349 }
 350
 351 StoragePartitionImpl::StoragePartitionImpl(
 352     const base::FilePath& partition_path,
 353     quota::QuotaManager* quota_manager,
 354     ChromeAppCacheService* appcache_service,
 355     fileapi::FileSystemContext* filesystem_context,
 356     webkit_database::DatabaseTracker* database_tracker,
 357     DOMStorageContextWrapper* dom_storage_context,
 358     IndexedDBContextImpl* indexed_db_context,
 359     ServiceWorkerContextWrapper* service_worker_context,
 360     WebRTCIdentityStore* webrtc_identity_store,
 361     quota::SpecialStoragePolicy* special_storage_policy)
 362     : partition_path_(partition_path),
 363       quota_manager_(quota_manager),
 364       appcache_service_(appcache_service),
 365       filesystem_context_(filesystem_context),
 366       database_tracker_(database_tracker),
 367       dom_storage_context_(dom_storage_context),
 368       indexed_db_context_(indexed_db_context),
 369       service_worker_context_(service_worker_context),
 370       webrtc_identity_store_(webrtc_identity_store),
 371       special_storage_policy_(special_storage_policy) {}
 372
 373 StoragePartitionImpl::~StoragePartitionImpl() {
 374   // These message loop checks are just to avoid leaks in unittests.
 375   if (GetDatabaseTracker() &&
 376       BrowserThread::IsMessageLoopValid(BrowserThread::FILE)) {
 377     BrowserThread::PostTask(
 378         BrowserThread::FILE, FROM_HERE,
 379         base::Bind(&webkit_database::DatabaseTracker::Shutdown,
 380                    GetDatabaseTracker()));
 381   }
 382
 383   if (GetFileSystemContext())
 384     GetFileSystemContext()->Shutdown();
 385
 386   if (GetDOMStorageContext())
 387     GetDOMStorageContext()->Shutdown();
 388
 389   if (GetServiceWorkerContext())
 390     GetServiceWorkerContext()->Shutdown();
 391 }
 392
 393 // TODO(ajwong): Break the direct dependency on |context|. We only
 394 // need 3 pieces of info from it.
 395 StoragePartitionImpl* StoragePartitionImpl::Create(
 396     BrowserContext* context,
 397     bool in_memory,
 398     const base::FilePath& partition_path) {
 399   // Ensure that these methods are called on the UI thread, except for
 400   // unittests where a UI thread might not have been created.
 401   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI) ||
 402          !BrowserThread::IsMessageLoopValid(BrowserThread::UI));
 403
 404   // All of the clients have to be created and registered with the
 405   // QuotaManager prior to the QuotaManger being used. We do them
 406   // all together here prior to handing out a reference to anything
 407   // that utilizes the QuotaManager.
 408   scoped_refptr<quota::QuotaManager> quota_manager = new quota::QuotaManager(
 409       in_memory,
 410       partition_path,
 411       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO).get(),
 412       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::DB).get(),
 413       context->GetSpecialStoragePolicy());
 414
 415   // Each consumer is responsible for registering its QuotaClient during
 416   // its construction.
 417   scoped_refptr<fileapi::FileSystemContext> filesystem_context =
 418       CreateFileSystemContext(context,
 419                               partition_path, in_memory,
 420                               quota_manager->proxy());
 421
 422   scoped_refptr<webkit_database::DatabaseTracker> database_tracker =
 423       new webkit_database::DatabaseTracker(
 424           partition_path,
 425           in_memory,
 426           context->GetSpecialStoragePolicy(),
 427           quota_manager->proxy(),
 428           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE)
 429               .get());
 430
 431   base::FilePath path = in_memory ? base::FilePath() : partition_path;
 432   scoped_refptr<DOMStorageContextWrapper> dom_storage_context =
 433       new DOMStorageContextWrapper(path, context->GetSpecialStoragePolicy());
 434
 435   // BrowserMainLoop may not be initialized in unit tests. Tests will
 436   // need to inject their own task runner into the IndexedDBContext.
 437   base::SequencedTaskRunner* idb_task_runner =
 438       BrowserThread::CurrentlyOn(BrowserThread::UI) &&
 439               BrowserMainLoop::GetInstance()
 440           ? BrowserMainLoop::GetInstance()->indexed_db_thread()
 441                 ->message_loop_proxy().get()
 442           : NULL;
 443   scoped_refptr<IndexedDBContextImpl> indexed_db_context =
 444       new IndexedDBContextImpl(path,
 445                                context->GetSpecialStoragePolicy(),
 446                                quota_manager->proxy(),
 447                                idb_task_runner);
 448
 449   scoped_refptr<ServiceWorkerContextWrapper> service_worker_context =
 450       new ServiceWorkerContextWrapper(context);
 451   service_worker_context->Init(path, quota_manager->proxy());
 452
 453   scoped_refptr<ChromeAppCacheService> appcache_service =
 454       new ChromeAppCacheService(quota_manager->proxy());
 455
 456   scoped_refptr<WebRTCIdentityStore> webrtc_identity_store(
 457       new WebRTCIdentityStore(path, context->GetSpecialStoragePolicy()));
 458
 459   scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy(
 460       context->GetSpecialStoragePolicy());
 461
 462   return new StoragePartitionImpl(partition_path,
 463                                   quota_manager.get(),
 464                                   appcache_service.get(),
 465                                   filesystem_context.get(),
 466                                   database_tracker.get(),
 467                                   dom_storage_context.get(),
 468                                   indexed_db_context.get(),
 469                                   service_worker_context.get(),
 470                                   webrtc_identity_store.get(),
 471                                   special_storage_policy.get());
 472 }
 473
 474 base::FilePath StoragePartitionImpl::GetPath() {
 475   return partition_path_;
 476 }
 477
 478 net::URLRequestContextGetter* StoragePartitionImpl::GetURLRequestContext() {
 479   return url_request_context_.get();
 480 }
 481
 482 net::URLRequestContextGetter*
 483 StoragePartitionImpl::GetMediaURLRequestContext() {
 484   return media_url_request_context_.get();
 485 }
 486
 487 quota::QuotaManager* StoragePartitionImpl::GetQuotaManager() {
 488   return quota_manager_.get();
 489 }
 490
 491 ChromeAppCacheService* StoragePartitionImpl::GetAppCacheService() {
 492   return appcache_service_.get();
 493 }
 494
 495 fileapi::FileSystemContext* StoragePartitionImpl::GetFileSystemContext() {
 496   return filesystem_context_.get();
 497 }
 498
 499 webkit_database::DatabaseTracker* StoragePartitionImpl::GetDatabaseTracker() {
 500   return database_tracker_.get();
 501 }
 502
 503 DOMStorageContextWrapper* StoragePartitionImpl::GetDOMStorageContext() {
 504   return dom_storage_context_.get();
 505 }
 506
 507 IndexedDBContextImpl* StoragePartitionImpl::GetIndexedDBContext() {
 508   return indexed_db_context_.get();
 509 }
 510
 511 ServiceWorkerContextWrapper* StoragePartitionImpl::GetServiceWorkerContext() {
 512   return service_worker_context_.get();
 513 }
 514
 515 void StoragePartitionImpl::ClearDataImpl(
 516     uint32 remove_mask,
 517     uint32 quota_storage_remove_mask,
 518     const GURL& storage_origin,
 519     const OriginMatcherFunction& origin_matcher,
 520     net::URLRequestContextGetter* rq_context,
 521     const base::Time begin,
 522     const base::Time end,
 523     const base::Closure& callback) {
 524   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 525   DataDeletionHelper* helper = new DataDeletionHelper(remove_mask,
 526                                                       quota_storage_remove_mask,
 527                                                       callback);
 528   // |helper| deletes itself when done in
 529   // DataDeletionHelper::DecrementTaskCountOnUI().
 530   helper->ClearDataOnUIThread(storage_origin, origin_matcher, GetPath(),
 531                               rq_context, dom_storage_context_, quota_manager_,
 532                               special_storage_policy_.get(),
 533                               webrtc_identity_store_, begin, end);
 534 }
 535
 536 void StoragePartitionImpl::
 537     QuotaManagedDataDeletionHelper::IncrementTaskCountOnIO() {
 538   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 539   ++task_count;
 540 }
 541
 542 void StoragePartitionImpl::
 543     QuotaManagedDataDeletionHelper::DecrementTaskCountOnIO() {
 544   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 545   DCHECK_GT(task_count, 0);
 546   --task_count;
 547   if (task_count)
 548     return;
 549
 550   callback.Run();
 551   delete this;
 552 }
 553
 554 void StoragePartitionImpl::QuotaManagedDataDeletionHelper::ClearDataOnIOThread(
 555     const scoped_refptr<quota::QuotaManager>& quota_manager,
 556     const base::Time begin,
 557     const scoped_refptr<quota::SpecialStoragePolicy>& special_storage_policy,
 558     const StoragePartition::OriginMatcherFunction& origin_matcher) {
 559   IncrementTaskCountOnIO();
 560   base::Closure decrement_callback = base::Bind(
 561       &QuotaManagedDataDeletionHelper::DecrementTaskCountOnIO,
 562       base::Unretained(this));
 563
 564   if (quota_storage_remove_mask & QUOTA_MANAGED_STORAGE_MASK_PERSISTENT) {
 565     IncrementTaskCountOnIO();
 566     // Ask the QuotaManager for all origins with persistent quota modified
 567     // within the user-specified timeframe, and deal with the resulting set in
 568     // ClearQuotaManagedOriginsOnIOThread().
 569     quota_manager->GetOriginsModifiedSince(
 570         quota::kStorageTypePersistent, begin,
 571         base::Bind(&QuotaManagedDataDeletionHelper::ClearOriginsOnIOThread,
 572                    base::Unretained(this),
 573                    quota_manager,
 574                    special_storage_policy,
 575                    origin_matcher,
 576                    decrement_callback));
 577   }
 578
 579   // Do the same for temporary quota.
 580   if (quota_storage_remove_mask & QUOTA_MANAGED_STORAGE_MASK_TEMPORARY) {
 581     IncrementTaskCountOnIO();
 582     quota_manager->GetOriginsModifiedSince(
 583         quota::kStorageTypeTemporary, begin,
 584         base::Bind(&QuotaManagedDataDeletionHelper::ClearOriginsOnIOThread,
 585                    base::Unretained(this),
 586                    quota_manager,
 587                    special_storage_policy,
 588                    origin_matcher,
 589                    decrement_callback));
 590   }
 591
 592   // Do the same for syncable quota.
 593   if (quota_storage_remove_mask & QUOTA_MANAGED_STORAGE_MASK_SYNCABLE) {
 594     IncrementTaskCountOnIO();
 595     quota_manager->GetOriginsModifiedSince(
 596         quota::kStorageTypeSyncable, begin,
 597         base::Bind(&QuotaManagedDataDeletionHelper::ClearOriginsOnIOThread,
 598                    base::Unretained(this),
 599                    quota_manager,
 600                    special_storage_policy,
 601                    origin_matcher,
 602                    decrement_callback));
 603   }
 604
 605   DecrementTaskCountOnIO();
 606 }
 607
 608 void StoragePartitionImpl::
 609     QuotaManagedDataDeletionHelper::ClearOriginsOnIOThread(
 610         quota::QuotaManager* quota_manager,
 611         const scoped_refptr<quota::SpecialStoragePolicy>&
 612             special_storage_policy,
 613         const StoragePartition::OriginMatcherFunction& origin_matcher,
 614         const base::Closure& callback,
 615         const std::set<GURL>& origins,
 616         quota::StorageType quota_storage_type) {
 617   // The QuotaManager manages all storage other than cookies, LocalStorage,
 618   // and SessionStorage. This loop wipes out most HTML5 storage for the given
 619   // origins.
 620   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 621   if (!origins.size()) {
 622     callback.Run();
 623     return;
 624   }
 625
 626   size_t* deletion_task_count = new size_t(0u);
 627   (*deletion_task_count)++;
 628   for (std::set<GURL>::const_iterator origin = origins.begin();
 629        origin != origins.end(); ++origin) {
 630     // TODO(mkwst): Clean this up, it's slow. http://crbug.com/130746
 631     if (!storage_origin.is_empty() && origin->GetOrigin() != storage_origin)
 632       continue;
 633
 634     if (!origin_matcher.is_null() &&
 635         !origin_matcher.Run(*origin, special_storage_policy.get())) {
 636       continue;
 637     }
 638
 639     (*deletion_task_count)++;
 640     quota_manager->DeleteOriginData(
 641         *origin, quota_storage_type,
 642         StoragePartitionImpl::GenerateQuotaClientMask(remove_mask),
 643         base::Bind(&OnQuotaManagedOriginDeleted,
 644                    origin->GetOrigin(), quota_storage_type,
 645                    deletion_task_count, callback));
 646   }
 647   (*deletion_task_count)--;
 648
 649   CheckQuotaManagedDataDeletionStatus(deletion_task_count, callback);
 650 }
 651
 652 void StoragePartitionImpl::DataDeletionHelper::IncrementTaskCountOnUI() {
 653   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 654   ++task_count;
 655 }
 656
 657 void StoragePartitionImpl::DataDeletionHelper::DecrementTaskCountOnUI() {
 658   if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
 659     BrowserThread::PostTask(
 660         BrowserThread::UI, FROM_HERE,
 661         base::Bind(&DataDeletionHelper::DecrementTaskCountOnUI,
 662                    base::Unretained(this)));
 663     return;
 664   }
 665   DCHECK_GT(task_count, 0);
 666   --task_count;
 667   if (!task_count) {
 668     callback.Run();
 669     delete this;
 670   }
 671 }
 672
 673 void StoragePartitionImpl::DataDeletionHelper::ClearDataOnUIThread(
 674     const GURL& storage_origin,
 675     const OriginMatcherFunction& origin_matcher,
 676     const base::FilePath& path,
 677     net::URLRequestContextGetter* rq_context,
 678     DOMStorageContextWrapper* dom_storage_context,
 679     quota::QuotaManager* quota_manager,
 680     quota::SpecialStoragePolicy* special_storage_policy,
 681     WebRTCIdentityStore* webrtc_identity_store,
 682     const base::Time begin,
 683     const base::Time end) {
 684   DCHECK_NE(remove_mask, 0u);
 685   DCHECK(!callback.is_null());
 686
 687   IncrementTaskCountOnUI();
 688   base::Closure decrement_callback = base::Bind(
 689       &DataDeletionHelper::DecrementTaskCountOnUI, base::Unretained(this));
 690
 691   if (remove_mask & REMOVE_DATA_MASK_COOKIES) {
 692     // Handle the cookies.
 693     IncrementTaskCountOnUI();
 694     BrowserThread::PostTask(
 695         BrowserThread::IO, FROM_HERE,
 696         base::Bind(&ClearCookiesOnIOThread,
 697                    make_scoped_refptr(rq_context), begin, end, storage_origin,
 698                    decrement_callback));
 699   }
 700
 701   if (remove_mask & REMOVE_DATA_MASK_INDEXEDDB ||
 702       remove_mask & REMOVE_DATA_MASK_WEBSQL ||
 703       remove_mask & REMOVE_DATA_MASK_APPCACHE ||
 704       remove_mask & REMOVE_DATA_MASK_FILE_SYSTEMS ||
 705       remove_mask & REMOVE_DATA_MASK_SERVICE_WORKERS) {
 706     IncrementTaskCountOnUI();
 707     BrowserThread::PostTask(
 708         BrowserThread::IO, FROM_HERE,
 709         base::Bind(&DataDeletionHelper::ClearQuotaManagedDataOnIOThread,
 710                    base::Unretained(this),
 711                    make_scoped_refptr(quota_manager),
 712                    begin,
 713                    storage_origin,
 714                    make_scoped_refptr(special_storage_policy),
 715                    origin_matcher,
 716                    decrement_callback));
 717   }
 718
 719   if (remove_mask & REMOVE_DATA_MASK_LOCAL_STORAGE) {
 720     IncrementTaskCountOnUI();
 721     ClearLocalStorageOnUIThread(
 722         make_scoped_refptr(dom_storage_context),
 723         make_scoped_refptr(special_storage_policy),
 724         origin_matcher,
 725         storage_origin, begin, end,
 726         decrement_callback);
 727
 728     // ClearDataImpl cannot clear session storage data when a particular origin
 729     // is specified. Therefore we ignore clearing session storage in this case.
 730     // TODO(lazyboy): Fix.
 731     if (storage_origin.is_empty()) {
 732       IncrementTaskCountOnUI();
 733       ClearSessionStorageOnUIThread(
 734           make_scoped_refptr(dom_storage_context),
 735           make_scoped_refptr(special_storage_policy),
 736           origin_matcher,
 737           decrement_callback);
 738     }
 739   }
 740
 741   if (remove_mask & REMOVE_DATA_MASK_SHADER_CACHE) {
 742     IncrementTaskCountOnUI();
 743     BrowserThread::PostTask(
 744         BrowserThread::IO, FROM_HERE,
 745         base::Bind(&ClearShaderCacheOnIOThread,
 746                    path, begin, end, decrement_callback));
 747   }
 748
 749   if (remove_mask & REMOVE_DATA_MASK_WEBRTC_IDENTITY) {
 750     IncrementTaskCountOnUI();
 751     BrowserThread::PostTask(
 752         BrowserThread::IO,
 753         FROM_HERE,
 754         base::Bind(&WebRTCIdentityStore::DeleteBetween,
 755                    webrtc_identity_store,
 756                    begin,
 757                    end,
 758                    decrement_callback));
 759   }
 760
 761   DecrementTaskCountOnUI();
 762 }
 763
 764 void StoragePartitionImpl::ClearDataForOrigin(
 765     uint32 remove_mask,
 766     uint32 quota_storage_remove_mask,
 767     const GURL& storage_origin,
 768     net::URLRequestContextGetter* request_context_getter,
 769     const base::Closure& callback) {
 770   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 771   ClearDataImpl(remove_mask,
 772                 quota_storage_remove_mask,
 773                 storage_origin,
 774                 OriginMatcherFunction(),
 775                 request_context_getter,
 776                 base::Time(),
 777                 base::Time::Max(),
 778                 callback);
 779 }
 780
 781 void StoragePartitionImpl::ClearData(
 782     uint32 remove_mask,
 783     uint32 quota_storage_remove_mask,
 784     const GURL& storage_origin,
 785     const OriginMatcherFunction& origin_matcher,
 786     const base::Time begin,
 787     const base::Time end,
 788     const base::Closure& callback) {
 789   ClearDataImpl(remove_mask, quota_storage_remove_mask, storage_origin,
 790                 origin_matcher, GetURLRequestContext(), begin, end, callback);
 791 }
 792
 793 WebRTCIdentityStore* StoragePartitionImpl::GetWebRTCIdentityStore() {
 794   return webrtc_identity_store_.get();
 795 }
 796
 797 void StoragePartitionImpl::OverrideQuotaManagerForTesting(
 798     quota::QuotaManager* quota_manager) {
 799   quota_manager_ = quota_manager;
 800 }
 801
 802 void StoragePartitionImpl::OverrideSpecialStoragePolicyForTesting(
 803     quota::SpecialStoragePolicy* special_storage_policy) {
 804   special_storage_policy_ = special_storage_policy;
 805 }
 806
 807 void StoragePartitionImpl::SetURLRequestContext(
 808     net::URLRequestContextGetter* url_request_context) {
 809   url_request_context_ = url_request_context;
 810 }
 811
 812 void StoragePartitionImpl::SetMediaURLRequestContext(
 813     net::URLRequestContextGetter* media_url_request_context) {
 814   media_url_request_context_ = media_url_request_context;
 815 }
 816
 817 }  // namespace content