| OLD | NEW |
| (Empty) |
| 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 "net/extras/sqlite/sqlite_persistent_cookie_store.h" | |
| 6 | |
| 7 #include <map> | |
| 8 #include <set> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/bind.h" | |
| 12 #include "base/callback.h" | |
| 13 #include "base/files/file_path.h" | |
| 14 #include "base/files/file_util.h" | |
| 15 #include "base/location.h" | |
| 16 #include "base/logging.h" | |
| 17 #include "base/memory/ref_counted.h" | |
| 18 #include "base/memory/scoped_ptr.h" | |
| 19 #include "base/metrics/field_trial.h" | |
| 20 #include "base/metrics/histogram.h" | |
| 21 #include "base/profiler/scoped_tracker.h" | |
| 22 #include "base/sequenced_task_runner.h" | |
| 23 #include "base/strings/string_util.h" | |
| 24 #include "base/strings/stringprintf.h" | |
| 25 #include "base/synchronization/lock.h" | |
| 26 #include "base/threading/sequenced_worker_pool.h" | |
| 27 #include "base/time/time.h" | |
| 28 #include "net/base/registry_controlled_domains/registry_controlled_domain.h" | |
| 29 #include "net/cookies/canonical_cookie.h" | |
| 30 #include "net/cookies/cookie_constants.h" | |
| 31 #include "net/cookies/cookie_util.h" | |
| 32 #include "net/extras/sqlite/cookie_crypto_delegate.h" | |
| 33 #include "sql/error_delegate_util.h" | |
| 34 #include "sql/meta_table.h" | |
| 35 #include "sql/statement.h" | |
| 36 #include "sql/transaction.h" | |
| 37 #include "url/gurl.h" | |
| 38 | |
| 39 using base::Time; | |
| 40 | |
| 41 namespace { | |
| 42 | |
| 43 // The persistent cookie store is loaded into memory on eTLD at a time. This | |
| 44 // variable controls the delay between loading eTLDs, so as to not overload the | |
| 45 // CPU or I/O with these low priority requests immediately after start up. | |
| 46 const int kLoadDelayMilliseconds = 0; | |
| 47 | |
| 48 } // namespace | |
| 49 | |
| 50 namespace net { | |
| 51 | |
| 52 // This class is designed to be shared between any client thread and the | |
| 53 // background task runner. It batches operations and commits them on a timer. | |
| 54 // | |
| 55 // SQLitePersistentCookieStore::Load is called to load all cookies. It | |
| 56 // delegates to Backend::Load, which posts a Backend::LoadAndNotifyOnDBThread | |
| 57 // task to the background runner. This task calls Backend::ChainLoadCookies(), | |
| 58 // which repeatedly posts itself to the BG runner to load each eTLD+1's cookies | |
| 59 // in separate tasks. When this is complete, Backend::CompleteLoadOnIOThread is | |
| 60 // posted to the client runner, which notifies the caller of | |
| 61 // SQLitePersistentCookieStore::Load that the load is complete. | |
| 62 // | |
| 63 // If a priority load request is invoked via SQLitePersistentCookieStore:: | |
| 64 // LoadCookiesForKey, it is delegated to Backend::LoadCookiesForKey, which posts | |
| 65 // Backend::LoadKeyAndNotifyOnDBThread to the BG runner. That routine loads just | |
| 66 // that single domain key (eTLD+1)'s cookies, and posts a Backend:: | |
| 67 // CompleteLoadForKeyOnIOThread to the client runner to notify the caller of | |
| 68 // SQLitePersistentCookieStore::LoadCookiesForKey that that load is complete. | |
| 69 // | |
| 70 // Subsequent to loading, mutations may be queued by any thread using | |
| 71 // AddCookie, UpdateCookieAccessTime, and DeleteCookie. These are flushed to | |
| 72 // disk on the BG runner every 30 seconds, 512 operations, or call to Flush(), | |
| 73 // whichever occurs first. | |
| 74 class SQLitePersistentCookieStore::Backend | |
| 75 : public base::RefCountedThreadSafe<SQLitePersistentCookieStore::Backend> { | |
| 76 public: | |
| 77 Backend( | |
| 78 const base::FilePath& path, | |
| 79 const scoped_refptr<base::SequencedTaskRunner>& client_task_runner, | |
| 80 const scoped_refptr<base::SequencedTaskRunner>& background_task_runner, | |
| 81 bool restore_old_session_cookies, | |
| 82 CookieCryptoDelegate* crypto_delegate) | |
| 83 : path_(path), | |
| 84 num_pending_(0), | |
| 85 initialized_(false), | |
| 86 corruption_detected_(false), | |
| 87 restore_old_session_cookies_(restore_old_session_cookies), | |
| 88 num_cookies_read_(0), | |
| 89 client_task_runner_(client_task_runner), | |
| 90 background_task_runner_(background_task_runner), | |
| 91 num_priority_waiting_(0), | |
| 92 total_priority_requests_(0), | |
| 93 crypto_(crypto_delegate) {} | |
| 94 | |
| 95 // Creates or loads the SQLite database. | |
| 96 void Load(const LoadedCallback& loaded_callback); | |
| 97 | |
| 98 // Loads cookies for the domain key (eTLD+1). | |
| 99 void LoadCookiesForKey(const std::string& domain, | |
| 100 const LoadedCallback& loaded_callback); | |
| 101 | |
| 102 // Steps through all results of |smt|, makes a cookie from each, and adds the | |
| 103 // cookie to |cookies|. This method also updates |num_cookies_read_|. | |
| 104 void MakeCookiesFromSQLStatement(std::vector<CanonicalCookie*>* cookies, | |
| 105 sql::Statement* statement); | |
| 106 | |
| 107 // Batch a cookie addition. | |
| 108 void AddCookie(const CanonicalCookie& cc); | |
| 109 | |
| 110 // Batch a cookie access time update. | |
| 111 void UpdateCookieAccessTime(const CanonicalCookie& cc); | |
| 112 | |
| 113 // Batch a cookie deletion. | |
| 114 void DeleteCookie(const CanonicalCookie& cc); | |
| 115 | |
| 116 // Commit pending operations as soon as possible. | |
| 117 void Flush(const base::Closure& callback); | |
| 118 | |
| 119 // Commit any pending operations and close the database. This must be called | |
| 120 // before the object is destructed. | |
| 121 void Close(); | |
| 122 | |
| 123 // Post background delete of all cookies that match |cookies|. | |
| 124 void DeleteAllInList(const std::list<CookieOrigin>& cookies); | |
| 125 | |
| 126 private: | |
| 127 friend class base::RefCountedThreadSafe<SQLitePersistentCookieStore::Backend>; | |
| 128 | |
| 129 // You should call Close() before destructing this object. | |
| 130 ~Backend() { | |
| 131 DCHECK(!db_.get()) << "Close should have already been called."; | |
| 132 DCHECK_EQ(0u, num_pending_); | |
| 133 DCHECK(pending_.empty()); | |
| 134 | |
| 135 for (CanonicalCookie* cookie : cookies_) { | |
| 136 delete cookie; | |
| 137 } | |
| 138 } | |
| 139 | |
| 140 // Database upgrade statements. | |
| 141 bool EnsureDatabaseVersion(); | |
| 142 | |
| 143 class PendingOperation { | |
| 144 public: | |
| 145 enum OperationType { | |
| 146 COOKIE_ADD, | |
| 147 COOKIE_UPDATEACCESS, | |
| 148 COOKIE_DELETE, | |
| 149 }; | |
| 150 | |
| 151 PendingOperation(OperationType op, const CanonicalCookie& cc) | |
| 152 : op_(op), cc_(cc) {} | |
| 153 | |
| 154 OperationType op() const { return op_; } | |
| 155 const CanonicalCookie& cc() const { return cc_; } | |
| 156 | |
| 157 private: | |
| 158 OperationType op_; | |
| 159 CanonicalCookie cc_; | |
| 160 }; | |
| 161 | |
| 162 private: | |
| 163 // Creates or loads the SQLite database on background runner. | |
| 164 void LoadAndNotifyInBackground(const LoadedCallback& loaded_callback, | |
| 165 const base::Time& posted_at); | |
| 166 | |
| 167 // Loads cookies for the domain key (eTLD+1) on background runner. | |
| 168 void LoadKeyAndNotifyInBackground(const std::string& domains, | |
| 169 const LoadedCallback& loaded_callback, | |
| 170 const base::Time& posted_at); | |
| 171 | |
| 172 // Notifies the CookieMonster when loading completes for a specific domain key | |
| 173 // or for all domain keys. Triggers the callback and passes it all cookies | |
| 174 // that have been loaded from DB since last IO notification. | |
| 175 void Notify(const LoadedCallback& loaded_callback, bool load_success); | |
| 176 | |
| 177 // Sends notification when the entire store is loaded, and reports metrics | |
| 178 // for the total time to load and aggregated results from any priority loads | |
| 179 // that occurred. | |
| 180 void CompleteLoadInForeground(const LoadedCallback& loaded_callback, | |
| 181 bool load_success); | |
| 182 | |
| 183 // Sends notification when a single priority load completes. Updates priority | |
| 184 // load metric data. The data is sent only after the final load completes. | |
| 185 void CompleteLoadForKeyInForeground(const LoadedCallback& loaded_callback, | |
| 186 bool load_success, | |
| 187 const base::Time& requested_at); | |
| 188 | |
| 189 // Sends all metrics, including posting a ReportMetricsInBackground task. | |
| 190 // Called after all priority and regular loading is complete. | |
| 191 void ReportMetrics(); | |
| 192 | |
| 193 // Sends background-runner owned metrics (i.e., the combined duration of all | |
| 194 // BG-runner tasks). | |
| 195 void ReportMetricsInBackground(); | |
| 196 | |
| 197 // Initialize the data base. | |
| 198 bool InitializeDatabase(); | |
| 199 | |
| 200 // Loads cookies for the next domain key from the DB, then either reschedules | |
| 201 // itself or schedules the provided callback to run on the client runner (if | |
| 202 // all domains are loaded). | |
| 203 void ChainLoadCookies(const LoadedCallback& loaded_callback); | |
| 204 | |
| 205 // Load all cookies for a set of domains/hosts | |
| 206 bool LoadCookiesForDomains(const std::set<std::string>& key); | |
| 207 | |
| 208 // Batch a cookie operation (add or delete) | |
| 209 void BatchOperation(PendingOperation::OperationType op, | |
| 210 const CanonicalCookie& cc); | |
| 211 // Commit our pending operations to the database. | |
| 212 void Commit(); | |
| 213 // Close() executed on the background runner. | |
| 214 void InternalBackgroundClose(); | |
| 215 | |
| 216 void DeleteSessionCookiesOnStartup(); | |
| 217 | |
| 218 void BackgroundDeleteAllInList(const std::list<CookieOrigin>& cookies); | |
| 219 | |
| 220 void DatabaseErrorCallback(int error, sql::Statement* stmt); | |
| 221 void KillDatabase(); | |
| 222 | |
| 223 void PostBackgroundTask(const tracked_objects::Location& origin, | |
| 224 const base::Closure& task); | |
| 225 void PostClientTask(const tracked_objects::Location& origin, | |
| 226 const base::Closure& task); | |
| 227 | |
| 228 // Shared code between the different load strategies to be used after all | |
| 229 // cookies have been loaded. | |
| 230 void FinishedLoadingCookies(const LoadedCallback& loaded_callback, | |
| 231 bool success); | |
| 232 | |
| 233 const base::FilePath path_; | |
| 234 scoped_ptr<sql::Connection> db_; | |
| 235 sql::MetaTable meta_table_; | |
| 236 | |
| 237 typedef std::list<PendingOperation*> PendingOperationsList; | |
| 238 PendingOperationsList pending_; | |
| 239 PendingOperationsList::size_type num_pending_; | |
| 240 // Guard |cookies_|, |pending_|, |num_pending_|. | |
| 241 base::Lock lock_; | |
| 242 | |
| 243 // Temporary buffer for cookies loaded from DB. Accumulates cookies to reduce | |
| 244 // the number of messages sent to the client runner. Sent back in response to | |
| 245 // individual load requests for domain keys or when all loading completes. | |
| 246 // Ownership of the cookies in this vector is transferred to the client in | |
| 247 // response to individual load requests or when all loading completes. | |
| 248 std::vector<CanonicalCookie*> cookies_; | |
| 249 | |
| 250 // Map of domain keys(eTLD+1) to domains/hosts that are to be loaded from DB. | |
| 251 std::map<std::string, std::set<std::string>> keys_to_load_; | |
| 252 | |
| 253 // Indicates if DB has been initialized. | |
| 254 bool initialized_; | |
| 255 | |
| 256 // Indicates if the kill-database callback has been scheduled. | |
| 257 bool corruption_detected_; | |
| 258 | |
| 259 // If false, we should filter out session cookies when reading the DB. | |
| 260 bool restore_old_session_cookies_; | |
| 261 | |
| 262 // The cumulative time spent loading the cookies on the background runner. | |
| 263 // Incremented and reported from the background runner. | |
| 264 base::TimeDelta cookie_load_duration_; | |
| 265 | |
| 266 // The total number of cookies read. Incremented and reported on the | |
| 267 // background runner. | |
| 268 int num_cookies_read_; | |
| 269 | |
| 270 scoped_refptr<base::SequencedTaskRunner> client_task_runner_; | |
| 271 scoped_refptr<base::SequencedTaskRunner> background_task_runner_; | |
| 272 | |
| 273 // Guards the following metrics-related properties (only accessed when | |
| 274 // starting/completing priority loads or completing the total load). | |
| 275 base::Lock metrics_lock_; | |
| 276 int num_priority_waiting_; | |
| 277 // The total number of priority requests. | |
| 278 int total_priority_requests_; | |
| 279 // The time when |num_priority_waiting_| incremented to 1. | |
| 280 base::Time current_priority_wait_start_; | |
| 281 // The cumulative duration of time when |num_priority_waiting_| was greater | |
| 282 // than 1. | |
| 283 base::TimeDelta priority_wait_duration_; | |
| 284 // Class with functions that do cryptographic operations (for protecting | |
| 285 // cookies stored persistently). | |
| 286 // | |
| 287 // Not owned. | |
| 288 CookieCryptoDelegate* crypto_; | |
| 289 | |
| 290 DISALLOW_COPY_AND_ASSIGN(Backend); | |
| 291 }; | |
| 292 | |
| 293 namespace { | |
| 294 | |
| 295 // Version number of the database. | |
| 296 // | |
| 297 // Version 9 adds a partial index to track non-persistent cookies. | |
| 298 // Non-persistent cookies sometimes need to be deleted on startup. There are | |
| 299 // frequently few or no non-persistent cookies, so the partial index allows the | |
| 300 // deletion to be sped up or skipped, without having to page in the DB. | |
| 301 // | |
| 302 // Version 8 adds "first-party only" cookies. | |
| 303 // | |
| 304 // Version 7 adds encrypted values. Old values will continue to be used but | |
| 305 // all new values written will be encrypted on selected operating systems. New | |
| 306 // records read by old clients will simply get an empty cookie value while old | |
| 307 // records read by new clients will continue to operate with the unencrypted | |
| 308 // version. New and old clients alike will always write/update records with | |
| 309 // what they support. | |
| 310 // | |
| 311 // Version 6 adds cookie priorities. This allows developers to influence the | |
| 312 // order in which cookies are evicted in order to meet domain cookie limits. | |
| 313 // | |
| 314 // Version 5 adds the columns has_expires and is_persistent, so that the | |
| 315 // database can store session cookies as well as persistent cookies. Databases | |
| 316 // of version 5 are incompatible with older versions of code. If a database of | |
| 317 // version 5 is read by older code, session cookies will be treated as normal | |
| 318 // cookies. Currently, these fields are written, but not read anymore. | |
| 319 // | |
| 320 // In version 4, we migrated the time epoch. If you open the DB with an older | |
| 321 // version on Mac or Linux, the times will look wonky, but the file will likely | |
| 322 // be usable. On Windows version 3 and 4 are the same. | |
| 323 // | |
| 324 // Version 3 updated the database to include the last access time, so we can | |
| 325 // expire them in decreasing order of use when we've reached the maximum | |
| 326 // number of cookies. | |
| 327 const int kCurrentVersionNumber = 9; | |
| 328 const int kCompatibleVersionNumber = 5; | |
| 329 | |
| 330 // Possible values for the 'priority' column. | |
| 331 enum DBCookiePriority { | |
| 332 kCookiePriorityLow = 0, | |
| 333 kCookiePriorityMedium = 1, | |
| 334 kCookiePriorityHigh = 2, | |
| 335 }; | |
| 336 | |
| 337 DBCookiePriority CookiePriorityToDBCookiePriority(CookiePriority value) { | |
| 338 switch (value) { | |
| 339 case COOKIE_PRIORITY_LOW: | |
| 340 return kCookiePriorityLow; | |
| 341 case COOKIE_PRIORITY_MEDIUM: | |
| 342 return kCookiePriorityMedium; | |
| 343 case COOKIE_PRIORITY_HIGH: | |
| 344 return kCookiePriorityHigh; | |
| 345 } | |
| 346 | |
| 347 NOTREACHED(); | |
| 348 return kCookiePriorityMedium; | |
| 349 } | |
| 350 | |
| 351 CookiePriority DBCookiePriorityToCookiePriority(DBCookiePriority value) { | |
| 352 switch (value) { | |
| 353 case kCookiePriorityLow: | |
| 354 return COOKIE_PRIORITY_LOW; | |
| 355 case kCookiePriorityMedium: | |
| 356 return COOKIE_PRIORITY_MEDIUM; | |
| 357 case kCookiePriorityHigh: | |
| 358 return COOKIE_PRIORITY_HIGH; | |
| 359 } | |
| 360 | |
| 361 NOTREACHED(); | |
| 362 return COOKIE_PRIORITY_DEFAULT; | |
| 363 } | |
| 364 | |
| 365 // Increments a specified TimeDelta by the duration between this object's | |
| 366 // constructor and destructor. Not thread safe. Multiple instances may be | |
| 367 // created with the same delta instance as long as their lifetimes are nested. | |
| 368 // The shortest lived instances have no impact. | |
| 369 class IncrementTimeDelta { | |
| 370 public: | |
| 371 explicit IncrementTimeDelta(base::TimeDelta* delta) | |
| 372 : delta_(delta), original_value_(*delta), start_(base::Time::Now()) {} | |
| 373 | |
| 374 ~IncrementTimeDelta() { | |
| 375 *delta_ = original_value_ + base::Time::Now() - start_; | |
| 376 } | |
| 377 | |
| 378 private: | |
| 379 base::TimeDelta* delta_; | |
| 380 base::TimeDelta original_value_; | |
| 381 base::Time start_; | |
| 382 | |
| 383 DISALLOW_COPY_AND_ASSIGN(IncrementTimeDelta); | |
| 384 }; | |
| 385 | |
| 386 // Initializes the cookies table, returning true on success. | |
| 387 bool InitTable(sql::Connection* db) { | |
| 388 if (db->DoesTableExist("cookies")) | |
| 389 return true; | |
| 390 | |
| 391 std::string stmt(base::StringPrintf( | |
| 392 "CREATE TABLE cookies (" | |
| 393 "creation_utc INTEGER NOT NULL UNIQUE PRIMARY KEY," | |
| 394 "host_key TEXT NOT NULL," | |
| 395 "name TEXT NOT NULL," | |
| 396 "value TEXT NOT NULL," | |
| 397 "path TEXT NOT NULL," | |
| 398 "expires_utc INTEGER NOT NULL," | |
| 399 "secure INTEGER NOT NULL," | |
| 400 "httponly INTEGER NOT NULL," | |
| 401 "last_access_utc INTEGER NOT NULL, " | |
| 402 "has_expires INTEGER NOT NULL DEFAULT 1, " | |
| 403 "persistent INTEGER NOT NULL DEFAULT 1," | |
| 404 "priority INTEGER NOT NULL DEFAULT %d," | |
| 405 "encrypted_value BLOB DEFAULT ''," | |
| 406 "firstpartyonly INTEGER NOT NULL DEFAULT 0)", | |
| 407 CookiePriorityToDBCookiePriority(COOKIE_PRIORITY_DEFAULT))); | |
| 408 if (!db->Execute(stmt.c_str())) | |
| 409 return false; | |
| 410 | |
| 411 if (!db->Execute("CREATE INDEX domain ON cookies(host_key)")) | |
| 412 return false; | |
| 413 | |
| 414 #if defined(OS_IOS) | |
| 415 // iOS 8.1 and older doesn't support partial indices. iOS 8.2 supports | |
| 416 // partial indices. | |
| 417 if (!db->Execute("CREATE INDEX is_transient ON cookies(persistent)")) { | |
| 418 #else | |
| 419 if (!db->Execute( | |
| 420 "CREATE INDEX is_transient ON cookies(persistent) " | |
| 421 "where persistent != 1")) { | |
| 422 #endif | |
| 423 return false; | |
| 424 } | |
| 425 | |
| 426 return true; | |
| 427 } | |
| 428 | |
| 429 } // namespace | |
| 430 | |
| 431 void SQLitePersistentCookieStore::Backend::Load( | |
| 432 const LoadedCallback& loaded_callback) { | |
| 433 PostBackgroundTask(FROM_HERE, | |
| 434 base::Bind(&Backend::LoadAndNotifyInBackground, this, | |
| 435 loaded_callback, base::Time::Now())); | |
| 436 } | |
| 437 | |
| 438 void SQLitePersistentCookieStore::Backend::LoadCookiesForKey( | |
| 439 const std::string& key, | |
| 440 const LoadedCallback& loaded_callback) { | |
| 441 { | |
| 442 base::AutoLock locked(metrics_lock_); | |
| 443 if (num_priority_waiting_ == 0) | |
| 444 current_priority_wait_start_ = base::Time::Now(); | |
| 445 num_priority_waiting_++; | |
| 446 total_priority_requests_++; | |
| 447 } | |
| 448 | |
| 449 PostBackgroundTask( | |
| 450 FROM_HERE, base::Bind(&Backend::LoadKeyAndNotifyInBackground, this, key, | |
| 451 loaded_callback, base::Time::Now())); | |
| 452 } | |
| 453 | |
| 454 void SQLitePersistentCookieStore::Backend::LoadAndNotifyInBackground( | |
| 455 const LoadedCallback& loaded_callback, | |
| 456 const base::Time& posted_at) { | |
| 457 DCHECK(background_task_runner_->RunsTasksOnCurrentThread()); | |
| 458 IncrementTimeDelta increment(&cookie_load_duration_); | |
| 459 | |
| 460 UMA_HISTOGRAM_CUSTOM_TIMES("Cookie.TimeLoadDBQueueWait", | |
| 461 base::Time::Now() - posted_at, | |
| 462 base::TimeDelta::FromMilliseconds(1), | |
| 463 base::TimeDelta::FromMinutes(1), 50); | |
| 464 | |
| 465 if (!InitializeDatabase()) { | |
| 466 PostClientTask(FROM_HERE, base::Bind(&Backend::CompleteLoadInForeground, | |
| 467 this, loaded_callback, false)); | |
| 468 } else { | |
| 469 ChainLoadCookies(loaded_callback); | |
| 470 } | |
| 471 } | |
| 472 | |
| 473 void SQLitePersistentCookieStore::Backend::LoadKeyAndNotifyInBackground( | |
| 474 const std::string& key, | |
| 475 const LoadedCallback& loaded_callback, | |
| 476 const base::Time& posted_at) { | |
| 477 DCHECK(background_task_runner_->RunsTasksOnCurrentThread()); | |
| 478 IncrementTimeDelta increment(&cookie_load_duration_); | |
| 479 | |
| 480 UMA_HISTOGRAM_CUSTOM_TIMES("Cookie.TimeKeyLoadDBQueueWait", | |
| 481 base::Time::Now() - posted_at, | |
| 482 base::TimeDelta::FromMilliseconds(1), | |
| 483 base::TimeDelta::FromMinutes(1), 50); | |
| 484 | |
| 485 bool success = false; | |
| 486 if (InitializeDatabase()) { | |
| 487 std::map<std::string, std::set<std::string>>::iterator it = | |
| 488 keys_to_load_.find(key); | |
| 489 if (it != keys_to_load_.end()) { | |
| 490 success = LoadCookiesForDomains(it->second); | |
| 491 keys_to_load_.erase(it); | |
| 492 } else { | |
| 493 success = true; | |
| 494 } | |
| 495 } | |
| 496 | |
| 497 PostClientTask( | |
| 498 FROM_HERE, | |
| 499 base::Bind( | |
| 500 &SQLitePersistentCookieStore::Backend::CompleteLoadForKeyInForeground, | |
| 501 this, loaded_callback, success, posted_at)); | |
| 502 } | |
| 503 | |
| 504 void SQLitePersistentCookieStore::Backend::CompleteLoadForKeyInForeground( | |
| 505 const LoadedCallback& loaded_callback, | |
| 506 bool load_success, | |
| 507 const ::Time& requested_at) { | |
| 508 DCHECK(client_task_runner_->RunsTasksOnCurrentThread()); | |
| 509 | |
| 510 UMA_HISTOGRAM_CUSTOM_TIMES("Cookie.TimeKeyLoadTotalWait", | |
| 511 base::Time::Now() - requested_at, | |
| 512 base::TimeDelta::FromMilliseconds(1), | |
| 513 base::TimeDelta::FromMinutes(1), 50); | |
| 514 | |
| 515 Notify(loaded_callback, load_success); | |
| 516 | |
| 517 { | |
| 518 base::AutoLock locked(metrics_lock_); | |
| 519 num_priority_waiting_--; | |
| 520 if (num_priority_waiting_ == 0) { | |
| 521 priority_wait_duration_ += | |
| 522 base::Time::Now() - current_priority_wait_start_; | |
| 523 } | |
| 524 } | |
| 525 } | |
| 526 | |
| 527 void SQLitePersistentCookieStore::Backend::ReportMetricsInBackground() { | |
| 528 UMA_HISTOGRAM_CUSTOM_TIMES("Cookie.TimeLoad", cookie_load_duration_, | |
| 529 base::TimeDelta::FromMilliseconds(1), | |
| 530 base::TimeDelta::FromMinutes(1), 50); | |
| 531 } | |
| 532 | |
| 533 void SQLitePersistentCookieStore::Backend::ReportMetrics() { | |
| 534 PostBackgroundTask( | |
| 535 FROM_HERE, | |
| 536 base::Bind( | |
| 537 &SQLitePersistentCookieStore::Backend::ReportMetricsInBackground, | |
| 538 this)); | |
| 539 | |
| 540 { | |
| 541 base::AutoLock locked(metrics_lock_); | |
| 542 UMA_HISTOGRAM_CUSTOM_TIMES("Cookie.PriorityBlockingTime", | |
| 543 priority_wait_duration_, | |
| 544 base::TimeDelta::FromMilliseconds(1), | |
| 545 base::TimeDelta::FromMinutes(1), 50); | |
| 546 | |
| 547 UMA_HISTOGRAM_COUNTS_100("Cookie.PriorityLoadCount", | |
| 548 total_priority_requests_); | |
| 549 | |
| 550 UMA_HISTOGRAM_COUNTS_10000("Cookie.NumberOfLoadedCookies", | |
| 551 num_cookies_read_); | |
| 552 } | |
| 553 } | |
| 554 | |
| 555 void SQLitePersistentCookieStore::Backend::CompleteLoadInForeground( | |
| 556 const LoadedCallback& loaded_callback, | |
| 557 bool load_success) { | |
| 558 Notify(loaded_callback, load_success); | |
| 559 | |
| 560 if (load_success) | |
| 561 ReportMetrics(); | |
| 562 } | |
| 563 | |
| 564 void SQLitePersistentCookieStore::Backend::Notify( | |
| 565 const LoadedCallback& loaded_callback, | |
| 566 bool load_success) { | |
| 567 DCHECK(client_task_runner_->RunsTasksOnCurrentThread()); | |
| 568 | |
| 569 std::vector<CanonicalCookie*> cookies; | |
| 570 { | |
| 571 base::AutoLock locked(lock_); | |
| 572 cookies.swap(cookies_); | |
| 573 } | |
| 574 | |
| 575 loaded_callback.Run(cookies); | |
| 576 } | |
| 577 | |
| 578 bool SQLitePersistentCookieStore::Backend::InitializeDatabase() { | |
| 579 DCHECK(background_task_runner_->RunsTasksOnCurrentThread()); | |
| 580 | |
| 581 if (initialized_ || corruption_detected_) { | |
| 582 // Return false if we were previously initialized but the DB has since been | |
| 583 // closed, or if corruption caused a database reset during initialization. | |
| 584 return db_ != NULL; | |
| 585 } | |
| 586 | |
| 587 base::Time start = base::Time::Now(); | |
| 588 | |
| 589 const base::FilePath dir = path_.DirName(); | |
| 590 if (!base::PathExists(dir) && !base::CreateDirectory(dir)) { | |
| 591 return false; | |
| 592 } | |
| 593 | |
| 594 int64 db_size = 0; | |
| 595 if (base::GetFileSize(path_, &db_size)) | |
| 596 UMA_HISTOGRAM_COUNTS("Cookie.DBSizeInKB", db_size / 1024); | |
| 597 | |
| 598 db_.reset(new sql::Connection); | |
| 599 db_->set_histogram_tag("Cookie"); | |
| 600 | |
| 601 // Unretained to avoid a ref loop with |db_|. | |
| 602 db_->set_error_callback( | |
| 603 base::Bind(&SQLitePersistentCookieStore::Backend::DatabaseErrorCallback, | |
| 604 base::Unretained(this))); | |
| 605 | |
| 606 if (!db_->Open(path_)) { | |
| 607 NOTREACHED() << "Unable to open cookie DB."; | |
| 608 if (corruption_detected_) | |
| 609 db_->Raze(); | |
| 610 meta_table_.Reset(); | |
| 611 db_.reset(); | |
| 612 return false; | |
| 613 } | |
| 614 | |
| 615 if (!EnsureDatabaseVersion() || !InitTable(db_.get())) { | |
| 616 NOTREACHED() << "Unable to open cookie DB."; | |
| 617 if (corruption_detected_) | |
| 618 db_->Raze(); | |
| 619 meta_table_.Reset(); | |
| 620 db_.reset(); | |
| 621 return false; | |
| 622 } | |
| 623 | |
| 624 UMA_HISTOGRAM_CUSTOM_TIMES("Cookie.TimeInitializeDB", | |
| 625 base::Time::Now() - start, | |
| 626 base::TimeDelta::FromMilliseconds(1), | |
| 627 base::TimeDelta::FromMinutes(1), 50); | |
| 628 | |
| 629 start = base::Time::Now(); | |
| 630 | |
| 631 // Retrieve all the domains | |
| 632 sql::Statement smt( | |
| 633 db_->GetUniqueStatement("SELECT DISTINCT host_key FROM cookies")); | |
| 634 | |
| 635 if (!smt.is_valid()) { | |
| 636 if (corruption_detected_) | |
| 637 db_->Raze(); | |
| 638 meta_table_.Reset(); | |
| 639 db_.reset(); | |
| 640 return false; | |
| 641 } | |
| 642 | |
| 643 std::vector<std::string> host_keys; | |
| 644 while (smt.Step()) | |
| 645 host_keys.push_back(smt.ColumnString(0)); | |
| 646 | |
| 647 UMA_HISTOGRAM_CUSTOM_TIMES("Cookie.TimeLoadDomains", | |
| 648 base::Time::Now() - start, | |
| 649 base::TimeDelta::FromMilliseconds(1), | |
| 650 base::TimeDelta::FromMinutes(1), 50); | |
| 651 | |
| 652 base::Time start_parse = base::Time::Now(); | |
| 653 | |
| 654 // Build a map of domain keys (always eTLD+1) to domains. | |
| 655 for (size_t idx = 0; idx < host_keys.size(); ++idx) { | |
| 656 const std::string& domain = host_keys[idx]; | |
| 657 std::string key = registry_controlled_domains::GetDomainAndRegistry( | |
| 658 domain, registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES); | |
| 659 | |
| 660 keys_to_load_[key].insert(domain); | |
| 661 } | |
| 662 | |
| 663 UMA_HISTOGRAM_CUSTOM_TIMES("Cookie.TimeParseDomains", | |
| 664 base::Time::Now() - start_parse, | |
| 665 base::TimeDelta::FromMilliseconds(1), | |
| 666 base::TimeDelta::FromMinutes(1), 50); | |
| 667 | |
| 668 UMA_HISTOGRAM_CUSTOM_TIMES("Cookie.TimeInitializeDomainMap", | |
| 669 base::Time::Now() - start, | |
| 670 base::TimeDelta::FromMilliseconds(1), | |
| 671 base::TimeDelta::FromMinutes(1), 50); | |
| 672 | |
| 673 initialized_ = true; | |
| 674 | |
| 675 if (!restore_old_session_cookies_) | |
| 676 DeleteSessionCookiesOnStartup(); | |
| 677 return true; | |
| 678 } | |
| 679 | |
| 680 void SQLitePersistentCookieStore::Backend::ChainLoadCookies( | |
| 681 const LoadedCallback& loaded_callback) { | |
| 682 DCHECK(background_task_runner_->RunsTasksOnCurrentThread()); | |
| 683 IncrementTimeDelta increment(&cookie_load_duration_); | |
| 684 | |
| 685 bool load_success = true; | |
| 686 | |
| 687 if (!db_) { | |
| 688 // Close() has been called on this store. | |
| 689 load_success = false; | |
| 690 } else if (keys_to_load_.size() > 0) { | |
| 691 // Load cookies for the first domain key. | |
| 692 std::map<std::string, std::set<std::string>>::iterator it = | |
| 693 keys_to_load_.begin(); | |
| 694 load_success = LoadCookiesForDomains(it->second); | |
| 695 keys_to_load_.erase(it); | |
| 696 } | |
| 697 | |
| 698 // If load is successful and there are more domain keys to be loaded, | |
| 699 // then post a background task to continue chain-load; | |
| 700 // Otherwise notify on client runner. | |
| 701 if (load_success && keys_to_load_.size() > 0) { | |
| 702 bool success = background_task_runner_->PostDelayedTask( | |
| 703 FROM_HERE, | |
| 704 base::Bind(&Backend::ChainLoadCookies, this, loaded_callback), | |
| 705 base::TimeDelta::FromMilliseconds(kLoadDelayMilliseconds)); | |
| 706 if (!success) { | |
| 707 LOG(WARNING) << "Failed to post task from " << FROM_HERE.ToString() | |
| 708 << " to background_task_runner_."; | |
| 709 } | |
| 710 } else { | |
| 711 FinishedLoadingCookies(loaded_callback, load_success); | |
| 712 } | |
| 713 } | |
| 714 | |
| 715 bool SQLitePersistentCookieStore::Backend::LoadCookiesForDomains( | |
| 716 const std::set<std::string>& domains) { | |
| 717 DCHECK(background_task_runner_->RunsTasksOnCurrentThread()); | |
| 718 | |
| 719 sql::Statement smt; | |
| 720 if (restore_old_session_cookies_) { | |
| 721 smt.Assign(db_->GetCachedStatement( | |
| 722 SQL_FROM_HERE, | |
| 723 "SELECT creation_utc, host_key, name, value, encrypted_value, path, " | |
| 724 "expires_utc, secure, httponly, firstpartyonly, last_access_utc, " | |
| 725 "has_expires, persistent, priority FROM cookies WHERE host_key = ?")); | |
| 726 } else { | |
| 727 smt.Assign(db_->GetCachedStatement( | |
| 728 SQL_FROM_HERE, | |
| 729 "SELECT creation_utc, host_key, name, value, encrypted_value, path, " | |
| 730 "expires_utc, secure, httponly, firstpartyonly, last_access_utc, " | |
| 731 "has_expires, persistent, priority FROM cookies WHERE host_key = ? " | |
| 732 "AND persistent = 1")); | |
| 733 } | |
| 734 if (!smt.is_valid()) { | |
| 735 smt.Clear(); // Disconnect smt_ref from db_. | |
| 736 meta_table_.Reset(); | |
| 737 db_.reset(); | |
| 738 return false; | |
| 739 } | |
| 740 | |
| 741 std::vector<CanonicalCookie*> cookies; | |
| 742 std::set<std::string>::const_iterator it = domains.begin(); | |
| 743 for (; it != domains.end(); ++it) { | |
| 744 smt.BindString(0, *it); | |
| 745 MakeCookiesFromSQLStatement(&cookies, &smt); | |
| 746 smt.Reset(true); | |
| 747 } | |
| 748 { | |
| 749 base::AutoLock locked(lock_); | |
| 750 cookies_.insert(cookies_.end(), cookies.begin(), cookies.end()); | |
| 751 } | |
| 752 return true; | |
| 753 } | |
| 754 | |
| 755 void SQLitePersistentCookieStore::Backend::MakeCookiesFromSQLStatement( | |
| 756 std::vector<CanonicalCookie*>* cookies, | |
| 757 sql::Statement* statement) { | |
| 758 sql::Statement& smt = *statement; | |
| 759 while (smt.Step()) { | |
| 760 std::string value; | |
| 761 std::string encrypted_value = smt.ColumnString(4); | |
| 762 if (!encrypted_value.empty() && crypto_) { | |
| 763 crypto_->DecryptString(encrypted_value, &value); | |
| 764 } else { | |
| 765 DCHECK(encrypted_value.empty()); | |
| 766 value = smt.ColumnString(3); | |
| 767 } | |
| 768 scoped_ptr<CanonicalCookie> cc(new CanonicalCookie( | |
| 769 // The "source" URL is not used with persisted cookies. | |
| 770 GURL(), // Source | |
| 771 smt.ColumnString(2), // name | |
| 772 value, // value | |
| 773 smt.ColumnString(1), // domain | |
| 774 smt.ColumnString(5), // path | |
| 775 Time::FromInternalValue(smt.ColumnInt64(0)), // creation_utc | |
| 776 Time::FromInternalValue(smt.ColumnInt64(6)), // expires_utc | |
| 777 Time::FromInternalValue(smt.ColumnInt64(10)), // last_access_utc | |
| 778 smt.ColumnInt(7) != 0, // secure | |
| 779 smt.ColumnInt(8) != 0, // httponly | |
| 780 smt.ColumnInt(9) != 0, // firstpartyonly | |
| 781 DBCookiePriorityToCookiePriority( | |
| 782 static_cast<DBCookiePriority>(smt.ColumnInt(13))))); // priority | |
| 783 DLOG_IF(WARNING, cc->CreationDate() > Time::Now()) | |
| 784 << L"CreationDate too recent"; | |
| 785 cookies->push_back(cc.release()); | |
| 786 ++num_cookies_read_; | |
| 787 } | |
| 788 } | |
| 789 | |
| 790 bool SQLitePersistentCookieStore::Backend::EnsureDatabaseVersion() { | |
| 791 // Version check. | |
| 792 if (!meta_table_.Init(db_.get(), kCurrentVersionNumber, | |
| 793 kCompatibleVersionNumber)) { | |
| 794 return false; | |
| 795 } | |
| 796 | |
| 797 if (meta_table_.GetCompatibleVersionNumber() > kCurrentVersionNumber) { | |
| 798 LOG(WARNING) << "Cookie database is too new."; | |
| 799 return false; | |
| 800 } | |
| 801 | |
| 802 int cur_version = meta_table_.GetVersionNumber(); | |
| 803 if (cur_version == 2) { | |
| 804 sql::Transaction transaction(db_.get()); | |
| 805 if (!transaction.Begin()) | |
| 806 return false; | |
| 807 if (!db_->Execute( | |
| 808 "ALTER TABLE cookies ADD COLUMN last_access_utc " | |
| 809 "INTEGER DEFAULT 0") || | |
| 810 !db_->Execute("UPDATE cookies SET last_access_utc = creation_utc")) { | |
| 811 LOG(WARNING) << "Unable to update cookie database to version 3."; | |
| 812 return false; | |
| 813 } | |
| 814 ++cur_version; | |
| 815 meta_table_.SetVersionNumber(cur_version); | |
| 816 meta_table_.SetCompatibleVersionNumber( | |
| 817 std::min(cur_version, kCompatibleVersionNumber)); | |
| 818 transaction.Commit(); | |
| 819 } | |
| 820 | |
| 821 if (cur_version == 3) { | |
| 822 // The time epoch changed for Mac & Linux in this version to match Windows. | |
| 823 // This patch came after the main epoch change happened, so some | |
| 824 // developers have "good" times for cookies added by the more recent | |
| 825 // versions. So we have to be careful to only update times that are under | |
| 826 // the old system (which will appear to be from before 1970 in the new | |
| 827 // system). The magic number used below is 1970 in our time units. | |
| 828 sql::Transaction transaction(db_.get()); | |
| 829 transaction.Begin(); | |
| 830 #if !defined(OS_WIN) | |
| 831 ignore_result(db_->Execute( | |
| 832 "UPDATE cookies " | |
| 833 "SET creation_utc = creation_utc + 11644473600000000 " | |
| 834 "WHERE rowid IN " | |
| 835 "(SELECT rowid FROM cookies WHERE " | |
| 836 "creation_utc > 0 AND creation_utc < 11644473600000000)")); | |
| 837 ignore_result(db_->Execute( | |
| 838 "UPDATE cookies " | |
| 839 "SET expires_utc = expires_utc + 11644473600000000 " | |
| 840 "WHERE rowid IN " | |
| 841 "(SELECT rowid FROM cookies WHERE " | |
| 842 "expires_utc > 0 AND expires_utc < 11644473600000000)")); | |
| 843 ignore_result(db_->Execute( | |
| 844 "UPDATE cookies " | |
| 845 "SET last_access_utc = last_access_utc + 11644473600000000 " | |
| 846 "WHERE rowid IN " | |
| 847 "(SELECT rowid FROM cookies WHERE " | |
| 848 "last_access_utc > 0 AND last_access_utc < 11644473600000000)")); | |
| 849 #endif | |
| 850 ++cur_version; | |
| 851 meta_table_.SetVersionNumber(cur_version); | |
| 852 transaction.Commit(); | |
| 853 } | |
| 854 | |
| 855 if (cur_version == 4) { | |
| 856 const base::TimeTicks start_time = base::TimeTicks::Now(); | |
| 857 sql::Transaction transaction(db_.get()); | |
| 858 if (!transaction.Begin()) | |
| 859 return false; | |
| 860 if (!db_->Execute( | |
| 861 "ALTER TABLE cookies " | |
| 862 "ADD COLUMN has_expires INTEGER DEFAULT 1") || | |
| 863 !db_->Execute( | |
| 864 "ALTER TABLE cookies " | |
| 865 "ADD COLUMN persistent INTEGER DEFAULT 1")) { | |
| 866 LOG(WARNING) << "Unable to update cookie database to version 5."; | |
| 867 return false; | |
| 868 } | |
| 869 ++cur_version; | |
| 870 meta_table_.SetVersionNumber(cur_version); | |
| 871 meta_table_.SetCompatibleVersionNumber( | |
| 872 std::min(cur_version, kCompatibleVersionNumber)); | |
| 873 transaction.Commit(); | |
| 874 UMA_HISTOGRAM_TIMES("Cookie.TimeDatabaseMigrationToV5", | |
| 875 base::TimeTicks::Now() - start_time); | |
| 876 } | |
| 877 | |
| 878 if (cur_version == 5) { | |
| 879 const base::TimeTicks start_time = base::TimeTicks::Now(); | |
| 880 sql::Transaction transaction(db_.get()); | |
| 881 if (!transaction.Begin()) | |
| 882 return false; | |
| 883 // Alter the table to add the priority column with a default value. | |
| 884 std::string stmt(base::StringPrintf( | |
| 885 "ALTER TABLE cookies ADD COLUMN priority INTEGER DEFAULT %d", | |
| 886 CookiePriorityToDBCookiePriority(COOKIE_PRIORITY_DEFAULT))); | |
| 887 if (!db_->Execute(stmt.c_str())) { | |
| 888 LOG(WARNING) << "Unable to update cookie database to version 6."; | |
| 889 return false; | |
| 890 } | |
| 891 ++cur_version; | |
| 892 meta_table_.SetVersionNumber(cur_version); | |
| 893 meta_table_.SetCompatibleVersionNumber( | |
| 894 std::min(cur_version, kCompatibleVersionNumber)); | |
| 895 transaction.Commit(); | |
| 896 UMA_HISTOGRAM_TIMES("Cookie.TimeDatabaseMigrationToV6", | |
| 897 base::TimeTicks::Now() - start_time); | |
| 898 } | |
| 899 | |
| 900 if (cur_version == 6) { | |
| 901 const base::TimeTicks start_time = base::TimeTicks::Now(); | |
| 902 sql::Transaction transaction(db_.get()); | |
| 903 if (!transaction.Begin()) | |
| 904 return false; | |
| 905 // Alter the table to add empty "encrypted value" column. | |
| 906 if (!db_->Execute( | |
| 907 "ALTER TABLE cookies " | |
| 908 "ADD COLUMN encrypted_value BLOB DEFAULT ''")) { | |
| 909 LOG(WARNING) << "Unable to update cookie database to version 7."; | |
| 910 return false; | |
| 911 } | |
| 912 ++cur_version; | |
| 913 meta_table_.SetVersionNumber(cur_version); | |
| 914 meta_table_.SetCompatibleVersionNumber( | |
| 915 std::min(cur_version, kCompatibleVersionNumber)); | |
| 916 transaction.Commit(); | |
| 917 UMA_HISTOGRAM_TIMES("Cookie.TimeDatabaseMigrationToV7", | |
| 918 base::TimeTicks::Now() - start_time); | |
| 919 } | |
| 920 | |
| 921 if (cur_version == 7) { | |
| 922 const base::TimeTicks start_time = base::TimeTicks::Now(); | |
| 923 sql::Transaction transaction(db_.get()); | |
| 924 if (!transaction.Begin()) | |
| 925 return false; | |
| 926 // Alter the table to add a 'firstpartyonly' column. | |
| 927 if (!db_->Execute( | |
| 928 "ALTER TABLE cookies " | |
| 929 "ADD COLUMN firstpartyonly INTEGER DEFAULT 0")) { | |
| 930 LOG(WARNING) << "Unable to update cookie database to version 8."; | |
| 931 return false; | |
| 932 } | |
| 933 ++cur_version; | |
| 934 meta_table_.SetVersionNumber(cur_version); | |
| 935 meta_table_.SetCompatibleVersionNumber( | |
| 936 std::min(cur_version, kCompatibleVersionNumber)); | |
| 937 transaction.Commit(); | |
| 938 UMA_HISTOGRAM_TIMES("Cookie.TimeDatabaseMigrationToV8", | |
| 939 base::TimeTicks::Now() - start_time); | |
| 940 } | |
| 941 | |
| 942 if (cur_version == 8) { | |
| 943 const base::TimeTicks start_time = base::TimeTicks::Now(); | |
| 944 sql::Transaction transaction(db_.get()); | |
| 945 if (!transaction.Begin()) | |
| 946 return false; | |
| 947 | |
| 948 if (!db_->Execute("DROP INDEX IF EXISTS cookie_times")) { | |
| 949 LOG(WARNING) | |
| 950 << "Unable to drop table cookie_times in update to version 9."; | |
| 951 return false; | |
| 952 } | |
| 953 | |
| 954 if (!db_->Execute( | |
| 955 "CREATE INDEX IF NOT EXISTS domain ON cookies(host_key)")) { | |
| 956 LOG(WARNING) << "Unable to create index domain in update to version 9."; | |
| 957 return false; | |
| 958 } | |
| 959 | |
| 960 #if defined(OS_IOS) | |
| 961 // iOS 8.1 and older doesn't support partial indices. iOS 8.2 supports | |
| 962 // partial indices. | |
| 963 if (!db_->Execute( | |
| 964 "CREATE INDEX IF NOT EXISTS is_transient ON cookies(persistent)")) { | |
| 965 #else | |
| 966 if (!db_->Execute( | |
| 967 "CREATE INDEX IF NOT EXISTS is_transient ON cookies(persistent) " | |
| 968 "where persistent != 1")) { | |
| 969 #endif | |
| 970 LOG(WARNING) | |
| 971 << "Unable to create index is_transient in update to version 9."; | |
| 972 return false; | |
| 973 } | |
| 974 ++cur_version; | |
| 975 meta_table_.SetVersionNumber(cur_version); | |
| 976 meta_table_.SetCompatibleVersionNumber( | |
| 977 std::min(cur_version, kCompatibleVersionNumber)); | |
| 978 transaction.Commit(); | |
| 979 UMA_HISTOGRAM_TIMES("Cookie.TimeDatabaseMigrationToV9", | |
| 980 base::TimeTicks::Now() - start_time); | |
| 981 } | |
| 982 | |
| 983 // Put future migration cases here. | |
| 984 | |
| 985 if (cur_version < kCurrentVersionNumber) { | |
| 986 UMA_HISTOGRAM_COUNTS_100("Cookie.CorruptMetaTable", 1); | |
| 987 | |
| 988 meta_table_.Reset(); | |
| 989 db_.reset(new sql::Connection); | |
| 990 if (!sql::Connection::Delete(path_) || !db_->Open(path_) || | |
| 991 !meta_table_.Init(db_.get(), kCurrentVersionNumber, | |
| 992 kCompatibleVersionNumber)) { | |
| 993 UMA_HISTOGRAM_COUNTS_100("Cookie.CorruptMetaTableRecoveryFailed", 1); | |
| 994 NOTREACHED() << "Unable to reset the cookie DB."; | |
| 995 meta_table_.Reset(); | |
| 996 db_.reset(); | |
| 997 return false; | |
| 998 } | |
| 999 } | |
| 1000 | |
| 1001 return true; | |
| 1002 } | |
| 1003 | |
| 1004 void SQLitePersistentCookieStore::Backend::AddCookie( | |
| 1005 const CanonicalCookie& cc) { | |
| 1006 BatchOperation(PendingOperation::COOKIE_ADD, cc); | |
| 1007 } | |
| 1008 | |
| 1009 void SQLitePersistentCookieStore::Backend::UpdateCookieAccessTime( | |
| 1010 const CanonicalCookie& cc) { | |
| 1011 BatchOperation(PendingOperation::COOKIE_UPDATEACCESS, cc); | |
| 1012 } | |
| 1013 | |
| 1014 void SQLitePersistentCookieStore::Backend::DeleteCookie( | |
| 1015 const CanonicalCookie& cc) { | |
| 1016 BatchOperation(PendingOperation::COOKIE_DELETE, cc); | |
| 1017 } | |
| 1018 | |
| 1019 void SQLitePersistentCookieStore::Backend::BatchOperation( | |
| 1020 PendingOperation::OperationType op, | |
| 1021 const CanonicalCookie& cc) { | |
| 1022 // Commit every 30 seconds. | |
| 1023 static const int kCommitIntervalMs = 30 * 1000; | |
| 1024 // Commit right away if we have more than 512 outstanding operations. | |
| 1025 static const size_t kCommitAfterBatchSize = 512; | |
| 1026 DCHECK(!background_task_runner_->RunsTasksOnCurrentThread()); | |
| 1027 | |
| 1028 // We do a full copy of the cookie here, and hopefully just here. | |
| 1029 scoped_ptr<PendingOperation> po(new PendingOperation(op, cc)); | |
| 1030 | |
| 1031 PendingOperationsList::size_type num_pending; | |
| 1032 { | |
| 1033 base::AutoLock locked(lock_); | |
| 1034 pending_.push_back(po.release()); | |
| 1035 num_pending = ++num_pending_; | |
| 1036 } | |
| 1037 | |
| 1038 if (num_pending == 1) { | |
| 1039 // We've gotten our first entry for this batch, fire off the timer. | |
| 1040 if (!background_task_runner_->PostDelayedTask( | |
| 1041 FROM_HERE, base::Bind(&Backend::Commit, this), | |
| 1042 base::TimeDelta::FromMilliseconds(kCommitIntervalMs))) { | |
| 1043 NOTREACHED() << "background_task_runner_ is not running."; | |
| 1044 } | |
| 1045 } else if (num_pending == kCommitAfterBatchSize) { | |
| 1046 // We've reached a big enough batch, fire off a commit now. | |
| 1047 PostBackgroundTask(FROM_HERE, base::Bind(&Backend::Commit, this)); | |
| 1048 } | |
| 1049 } | |
| 1050 | |
| 1051 void SQLitePersistentCookieStore::Backend::Commit() { | |
| 1052 DCHECK(background_task_runner_->RunsTasksOnCurrentThread()); | |
| 1053 | |
| 1054 PendingOperationsList ops; | |
| 1055 { | |
| 1056 base::AutoLock locked(lock_); | |
| 1057 pending_.swap(ops); | |
| 1058 num_pending_ = 0; | |
| 1059 } | |
| 1060 | |
| 1061 // Maybe an old timer fired or we are already Close()'ed. | |
| 1062 if (!db_.get() || ops.empty()) | |
| 1063 return; | |
| 1064 | |
| 1065 sql::Statement add_smt(db_->GetCachedStatement( | |
| 1066 SQL_FROM_HERE, | |
| 1067 "INSERT INTO cookies (creation_utc, host_key, name, value, " | |
| 1068 "encrypted_value, path, expires_utc, secure, httponly, firstpartyonly, " | |
| 1069 "last_access_utc, has_expires, persistent, priority) " | |
| 1070 "VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?)")); | |
| 1071 if (!add_smt.is_valid()) | |
| 1072 return; | |
| 1073 | |
| 1074 sql::Statement update_access_smt(db_->GetCachedStatement( | |
| 1075 SQL_FROM_HERE, | |
| 1076 "UPDATE cookies SET last_access_utc=? WHERE creation_utc=?")); | |
| 1077 if (!update_access_smt.is_valid()) | |
| 1078 return; | |
| 1079 | |
| 1080 sql::Statement del_smt(db_->GetCachedStatement( | |
| 1081 SQL_FROM_HERE, "DELETE FROM cookies WHERE creation_utc=?")); | |
| 1082 if (!del_smt.is_valid()) | |
| 1083 return; | |
| 1084 | |
| 1085 sql::Transaction transaction(db_.get()); | |
| 1086 if (!transaction.Begin()) | |
| 1087 return; | |
| 1088 | |
| 1089 for (PendingOperationsList::iterator it = ops.begin(); it != ops.end(); | |
| 1090 ++it) { | |
| 1091 // Free the cookies as we commit them to the database. | |
| 1092 scoped_ptr<PendingOperation> po(*it); | |
| 1093 switch (po->op()) { | |
| 1094 case PendingOperation::COOKIE_ADD: | |
| 1095 add_smt.Reset(true); | |
| 1096 add_smt.BindInt64(0, po->cc().CreationDate().ToInternalValue()); | |
| 1097 add_smt.BindString(1, po->cc().Domain()); | |
| 1098 add_smt.BindString(2, po->cc().Name()); | |
| 1099 if (crypto_) { | |
| 1100 std::string encrypted_value; | |
| 1101 add_smt.BindCString(3, ""); // value | |
| 1102 crypto_->EncryptString(po->cc().Value(), &encrypted_value); | |
| 1103 // BindBlob() immediately makes an internal copy of the data. | |
| 1104 add_smt.BindBlob(4, encrypted_value.data(), | |
| 1105 static_cast<int>(encrypted_value.length())); | |
| 1106 } else { | |
| 1107 add_smt.BindString(3, po->cc().Value()); | |
| 1108 add_smt.BindBlob(4, "", 0); // encrypted_value | |
| 1109 } | |
| 1110 add_smt.BindString(5, po->cc().Path()); | |
| 1111 add_smt.BindInt64(6, po->cc().ExpiryDate().ToInternalValue()); | |
| 1112 add_smt.BindInt(7, po->cc().IsSecure()); | |
| 1113 add_smt.BindInt(8, po->cc().IsHttpOnly()); | |
| 1114 add_smt.BindInt(9, po->cc().IsFirstPartyOnly()); | |
| 1115 add_smt.BindInt64(10, po->cc().LastAccessDate().ToInternalValue()); | |
| 1116 add_smt.BindInt(11, po->cc().IsPersistent()); | |
| 1117 add_smt.BindInt(12, po->cc().IsPersistent()); | |
| 1118 add_smt.BindInt(13, | |
| 1119 CookiePriorityToDBCookiePriority(po->cc().Priority())); | |
| 1120 if (!add_smt.Run()) | |
| 1121 NOTREACHED() << "Could not add a cookie to the DB."; | |
| 1122 break; | |
| 1123 | |
| 1124 case PendingOperation::COOKIE_UPDATEACCESS: | |
| 1125 update_access_smt.Reset(true); | |
| 1126 update_access_smt.BindInt64( | |
| 1127 0, po->cc().LastAccessDate().ToInternalValue()); | |
| 1128 update_access_smt.BindInt64(1, | |
| 1129 po->cc().CreationDate().ToInternalValue()); | |
| 1130 if (!update_access_smt.Run()) | |
| 1131 NOTREACHED() << "Could not update cookie last access time in the DB."; | |
| 1132 break; | |
| 1133 | |
| 1134 case PendingOperation::COOKIE_DELETE: | |
| 1135 del_smt.Reset(true); | |
| 1136 del_smt.BindInt64(0, po->cc().CreationDate().ToInternalValue()); | |
| 1137 if (!del_smt.Run()) | |
| 1138 NOTREACHED() << "Could not delete a cookie from the DB."; | |
| 1139 break; | |
| 1140 | |
| 1141 default: | |
| 1142 NOTREACHED(); | |
| 1143 break; | |
| 1144 } | |
| 1145 } | |
| 1146 bool succeeded = transaction.Commit(); | |
| 1147 UMA_HISTOGRAM_ENUMERATION("Cookie.BackingStoreUpdateResults", | |
| 1148 succeeded ? 0 : 1, 2); | |
| 1149 } | |
| 1150 | |
| 1151 void SQLitePersistentCookieStore::Backend::Flush( | |
| 1152 const base::Closure& callback) { | |
| 1153 DCHECK(!background_task_runner_->RunsTasksOnCurrentThread()); | |
| 1154 PostBackgroundTask(FROM_HERE, base::Bind(&Backend::Commit, this)); | |
| 1155 | |
| 1156 if (!callback.is_null()) { | |
| 1157 // We want the completion task to run immediately after Commit() returns. | |
| 1158 // Posting it from here means there is less chance of another task getting | |
| 1159 // onto the message queue first, than if we posted it from Commit() itself. | |
| 1160 PostBackgroundTask(FROM_HERE, callback); | |
| 1161 } | |
| 1162 } | |
| 1163 | |
| 1164 // Fire off a close message to the background runner. We could still have a | |
| 1165 // pending commit timer or Load operations holding references on us, but if/when | |
| 1166 // this fires we will already have been cleaned up and it will be ignored. | |
| 1167 void SQLitePersistentCookieStore::Backend::Close() { | |
| 1168 if (background_task_runner_->RunsTasksOnCurrentThread()) { | |
| 1169 InternalBackgroundClose(); | |
| 1170 } else { | |
| 1171 // Must close the backend on the background runner. | |
| 1172 PostBackgroundTask(FROM_HERE, | |
| 1173 base::Bind(&Backend::InternalBackgroundClose, this)); | |
| 1174 } | |
| 1175 } | |
| 1176 | |
| 1177 void SQLitePersistentCookieStore::Backend::InternalBackgroundClose() { | |
| 1178 DCHECK(background_task_runner_->RunsTasksOnCurrentThread()); | |
| 1179 // Commit any pending operations | |
| 1180 Commit(); | |
| 1181 | |
| 1182 meta_table_.Reset(); | |
| 1183 db_.reset(); | |
| 1184 } | |
| 1185 | |
| 1186 void SQLitePersistentCookieStore::Backend::DatabaseErrorCallback( | |
| 1187 int error, | |
| 1188 sql::Statement* stmt) { | |
| 1189 DCHECK(background_task_runner_->RunsTasksOnCurrentThread()); | |
| 1190 | |
| 1191 if (!sql::IsErrorCatastrophic(error)) | |
| 1192 return; | |
| 1193 | |
| 1194 // TODO(shess): Running KillDatabase() multiple times should be | |
| 1195 // safe. | |
| 1196 if (corruption_detected_) | |
| 1197 return; | |
| 1198 | |
| 1199 corruption_detected_ = true; | |
| 1200 | |
| 1201 // Don't just do the close/delete here, as we are being called by |db| and | |
| 1202 // that seems dangerous. | |
| 1203 // TODO(shess): Consider just calling RazeAndClose() immediately. | |
| 1204 // db_ may not be safe to reset at this point, but RazeAndClose() | |
| 1205 // would cause the stack to unwind safely with errors. | |
| 1206 PostBackgroundTask(FROM_HERE, base::Bind(&Backend::KillDatabase, this)); | |
| 1207 } | |
| 1208 | |
| 1209 void SQLitePersistentCookieStore::Backend::KillDatabase() { | |
| 1210 DCHECK(background_task_runner_->RunsTasksOnCurrentThread()); | |
| 1211 | |
| 1212 if (db_) { | |
| 1213 // This Backend will now be in-memory only. In a future run we will recreate | |
| 1214 // the database. Hopefully things go better then! | |
| 1215 bool success = db_->RazeAndClose(); | |
| 1216 UMA_HISTOGRAM_BOOLEAN("Cookie.KillDatabaseResult", success); | |
| 1217 meta_table_.Reset(); | |
| 1218 db_.reset(); | |
| 1219 } | |
| 1220 } | |
| 1221 | |
| 1222 void SQLitePersistentCookieStore::Backend::DeleteAllInList( | |
| 1223 const std::list<CookieOrigin>& cookies) { | |
| 1224 if (cookies.empty()) | |
| 1225 return; | |
| 1226 | |
| 1227 // Perform deletion on background task runner. | |
| 1228 background_task_runner_->PostTask( | |
| 1229 FROM_HERE, | |
| 1230 base::Bind(&Backend::BackgroundDeleteAllInList, this, cookies)); | |
| 1231 } | |
| 1232 | |
| 1233 void SQLitePersistentCookieStore::Backend::DeleteSessionCookiesOnStartup() { | |
| 1234 DCHECK(background_task_runner_->RunsTasksOnCurrentThread()); | |
| 1235 base::Time start_time = base::Time::Now(); | |
| 1236 if (!db_->Execute("DELETE FROM cookies WHERE persistent != 1")) | |
| 1237 LOG(WARNING) << "Unable to delete session cookies."; | |
| 1238 | |
| 1239 UMA_HISTOGRAM_TIMES("Cookie.Startup.TimeSpentDeletingCookies", | |
| 1240 base::Time::Now() - start_time); | |
| 1241 UMA_HISTOGRAM_COUNTS("Cookie.Startup.NumberOfCookiesDeleted", | |
| 1242 db_->GetLastChangeCount()); | |
| 1243 } | |
| 1244 | |
| 1245 void SQLitePersistentCookieStore::Backend::BackgroundDeleteAllInList( | |
| 1246 const std::list<CookieOrigin>& cookies) { | |
| 1247 DCHECK(background_task_runner_->RunsTasksOnCurrentThread()); | |
| 1248 | |
| 1249 if (!db_) | |
| 1250 return; | |
| 1251 | |
| 1252 // Force a commit of any pending writes before issuing deletes. | |
| 1253 // TODO(rohitrao): Remove the need for this Commit() by instead pruning the | |
| 1254 // list of pending operations. https://crbug.com/486742. | |
| 1255 Commit(); | |
| 1256 | |
| 1257 sql::Statement del_smt(db_->GetCachedStatement( | |
| 1258 SQL_FROM_HERE, "DELETE FROM cookies WHERE host_key=? AND secure=?")); | |
| 1259 if (!del_smt.is_valid()) { | |
| 1260 LOG(WARNING) << "Unable to delete cookies on shutdown."; | |
| 1261 return; | |
| 1262 } | |
| 1263 | |
| 1264 sql::Transaction transaction(db_.get()); | |
| 1265 if (!transaction.Begin()) { | |
| 1266 LOG(WARNING) << "Unable to delete cookies on shutdown."; | |
| 1267 return; | |
| 1268 } | |
| 1269 | |
| 1270 for (const auto& cookie : cookies) { | |
| 1271 const GURL url(cookie_util::CookieOriginToURL(cookie.first, cookie.second)); | |
| 1272 if (!url.is_valid()) | |
| 1273 continue; | |
| 1274 | |
| 1275 del_smt.Reset(true); | |
| 1276 del_smt.BindString(0, cookie.first); | |
| 1277 del_smt.BindInt(1, cookie.second); | |
| 1278 if (!del_smt.Run()) | |
| 1279 NOTREACHED() << "Could not delete a cookie from the DB."; | |
| 1280 } | |
| 1281 | |
| 1282 if (!transaction.Commit()) | |
| 1283 LOG(WARNING) << "Unable to delete cookies on shutdown."; | |
| 1284 } | |
| 1285 | |
| 1286 void SQLitePersistentCookieStore::Backend::PostBackgroundTask( | |
| 1287 const tracked_objects::Location& origin, | |
| 1288 const base::Closure& task) { | |
| 1289 if (!background_task_runner_->PostTask(origin, task)) { | |
| 1290 LOG(WARNING) << "Failed to post task from " << origin.ToString() | |
| 1291 << " to background_task_runner_."; | |
| 1292 } | |
| 1293 } | |
| 1294 | |
| 1295 void SQLitePersistentCookieStore::Backend::PostClientTask( | |
| 1296 const tracked_objects::Location& origin, | |
| 1297 const base::Closure& task) { | |
| 1298 if (!client_task_runner_->PostTask(origin, task)) { | |
| 1299 LOG(WARNING) << "Failed to post task from " << origin.ToString() | |
| 1300 << " to client_task_runner_."; | |
| 1301 } | |
| 1302 } | |
| 1303 | |
| 1304 void SQLitePersistentCookieStore::Backend::FinishedLoadingCookies( | |
| 1305 const LoadedCallback& loaded_callback, | |
| 1306 bool success) { | |
| 1307 PostClientTask(FROM_HERE, base::Bind(&Backend::CompleteLoadInForeground, this, | |
| 1308 loaded_callback, success)); | |
| 1309 } | |
| 1310 | |
| 1311 SQLitePersistentCookieStore::SQLitePersistentCookieStore( | |
| 1312 const base::FilePath& path, | |
| 1313 const scoped_refptr<base::SequencedTaskRunner>& client_task_runner, | |
| 1314 const scoped_refptr<base::SequencedTaskRunner>& background_task_runner, | |
| 1315 bool restore_old_session_cookies, | |
| 1316 CookieCryptoDelegate* crypto_delegate) | |
| 1317 : backend_(new Backend(path, | |
| 1318 client_task_runner, | |
| 1319 background_task_runner, | |
| 1320 restore_old_session_cookies, | |
| 1321 crypto_delegate)) { | |
| 1322 } | |
| 1323 | |
| 1324 void SQLitePersistentCookieStore::DeleteAllInList( | |
| 1325 const std::list<CookieOrigin>& cookies) { | |
| 1326 backend_->DeleteAllInList(cookies); | |
| 1327 } | |
| 1328 | |
| 1329 void SQLitePersistentCookieStore::Load(const LoadedCallback& loaded_callback) { | |
| 1330 backend_->Load(loaded_callback); | |
| 1331 } | |
| 1332 | |
| 1333 void SQLitePersistentCookieStore::LoadCookiesForKey( | |
| 1334 const std::string& key, | |
| 1335 const LoadedCallback& loaded_callback) { | |
| 1336 backend_->LoadCookiesForKey(key, loaded_callback); | |
| 1337 } | |
| 1338 | |
| 1339 void SQLitePersistentCookieStore::AddCookie(const CanonicalCookie& cc) { | |
| 1340 backend_->AddCookie(cc); | |
| 1341 } | |
| 1342 | |
| 1343 void SQLitePersistentCookieStore::UpdateCookieAccessTime( | |
| 1344 const CanonicalCookie& cc) { | |
| 1345 backend_->UpdateCookieAccessTime(cc); | |
| 1346 } | |
| 1347 | |
| 1348 void SQLitePersistentCookieStore::DeleteCookie(const CanonicalCookie& cc) { | |
| 1349 backend_->DeleteCookie(cc); | |
| 1350 } | |
| 1351 | |
| 1352 void SQLitePersistentCookieStore::SetForceKeepSessionState() { | |
| 1353 // This store never discards session-only cookies, so this call has no effect. | |
| 1354 } | |
| 1355 | |
| 1356 void SQLitePersistentCookieStore::Flush(const base::Closure& callback) { | |
| 1357 backend_->Flush(callback); | |
| 1358 } | |
| 1359 | |
| 1360 SQLitePersistentCookieStore::~SQLitePersistentCookieStore() { | |
| 1361 backend_->Close(); | |
| 1362 // We release our reference to the Backend, though it will probably still have | |
| 1363 // a reference if the background runner has not run Close() yet. | |
| 1364 } | |
| 1365 | |
| 1366 } // namespace net | |
| OLD | NEW |