1 | /* |
2 | * Copyright (C) 2015 Apple Inc. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
23 | * THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #include "config.h" |
27 | #include "IDBServer.h" |
28 | |
29 | #if ENABLE(INDEXED_DATABASE) |
30 | |
31 | #include "IDBRequestData.h" |
32 | #include "IDBResultData.h" |
33 | #include "Logging.h" |
34 | #include "MemoryIDBBackingStore.h" |
35 | #include "SQLiteDatabase.h" |
36 | #include "SQLiteDatabaseTracker.h" |
37 | #include "SQLiteFileSystem.h" |
38 | #include "SQLiteIDBBackingStore.h" |
39 | #include "SQLiteStatement.h" |
40 | #include "SecurityOrigin.h" |
41 | #include "StorageQuotaManager.h" |
42 | #include <wtf/CrossThreadCopier.h> |
43 | #include <wtf/Locker.h> |
44 | #include <wtf/MainThread.h> |
45 | |
46 | namespace WebCore { |
47 | namespace IDBServer { |
48 | |
49 | Ref<IDBServer> IDBServer::create(PAL::SessionID sessionID, IDBBackingStoreTemporaryFileHandler& fileHandler, QuotaManagerGetter&& quotaManagerGetter) |
50 | { |
51 | return adoptRef(*new IDBServer(sessionID, fileHandler, WTFMove(quotaManagerGetter))); |
52 | } |
53 | |
54 | Ref<IDBServer> IDBServer::create(PAL::SessionID sessionID, const String& databaseDirectoryPath, IDBBackingStoreTemporaryFileHandler& fileHandler, QuotaManagerGetter&& quotaManagerGetter) |
55 | { |
56 | return adoptRef(*new IDBServer(sessionID, databaseDirectoryPath, fileHandler, WTFMove(quotaManagerGetter))); |
57 | } |
58 | |
59 | IDBServer::IDBServer(PAL::SessionID sessionID, IDBBackingStoreTemporaryFileHandler& fileHandler, QuotaManagerGetter&& quotaManagerGetter) |
60 | : CrossThreadTaskHandler("IndexedDatabase Server" ) |
61 | , m_sessionID(sessionID) |
62 | , m_backingStoreTemporaryFileHandler(fileHandler) |
63 | , m_quotaManagerGetter(WTFMove(quotaManagerGetter)) |
64 | { |
65 | } |
66 | |
67 | IDBServer::IDBServer(PAL::SessionID sessionID, const String& databaseDirectoryPath, IDBBackingStoreTemporaryFileHandler& fileHandler, QuotaManagerGetter&& quotaManagerGetter) |
68 | : CrossThreadTaskHandler("IndexedDatabase Server" ) |
69 | , m_sessionID(sessionID) |
70 | , m_databaseDirectoryPath(databaseDirectoryPath) |
71 | , m_backingStoreTemporaryFileHandler(fileHandler) |
72 | , m_quotaManagerGetter(WTFMove(quotaManagerGetter)) |
73 | { |
74 | LOG(IndexedDB, "IDBServer created at path %s" , databaseDirectoryPath.utf8().data()); |
75 | postDatabaseTask(createCrossThreadTask(*this, &IDBServer::upgradeFilesIfNecessary)); |
76 | } |
77 | |
78 | void IDBServer::registerConnection(IDBConnectionToClient& connection) |
79 | { |
80 | ASSERT(!m_connectionMap.contains(connection.identifier())); |
81 | m_connectionMap.set(connection.identifier(), &connection); |
82 | } |
83 | |
84 | void IDBServer::unregisterConnection(IDBConnectionToClient& connection) |
85 | { |
86 | ASSERT(m_connectionMap.contains(connection.identifier())); |
87 | ASSERT(m_connectionMap.get(connection.identifier()) == &connection); |
88 | |
89 | connection.connectionToClientClosed(); |
90 | |
91 | m_connectionMap.remove(connection.identifier()); |
92 | } |
93 | |
94 | void IDBServer::registerTransaction(UniqueIDBDatabaseTransaction& transaction) |
95 | { |
96 | ASSERT(!m_transactions.contains(transaction.info().identifier())); |
97 | m_transactions.set(transaction.info().identifier(), &transaction); |
98 | } |
99 | |
100 | void IDBServer::unregisterTransaction(UniqueIDBDatabaseTransaction& transaction) |
101 | { |
102 | ASSERT(m_transactions.contains(transaction.info().identifier())); |
103 | ASSERT(m_transactions.get(transaction.info().identifier()) == &transaction); |
104 | |
105 | m_transactions.remove(transaction.info().identifier()); |
106 | } |
107 | |
108 | void IDBServer::registerDatabaseConnection(UniqueIDBDatabaseConnection& connection) |
109 | { |
110 | ASSERT(!m_databaseConnections.contains(connection.identifier())); |
111 | m_databaseConnections.set(connection.identifier(), &connection); |
112 | } |
113 | |
114 | void IDBServer::unregisterDatabaseConnection(UniqueIDBDatabaseConnection& connection) |
115 | { |
116 | ASSERT(m_databaseConnections.contains(connection.identifier())); |
117 | m_databaseConnections.remove(connection.identifier()); |
118 | } |
119 | |
120 | UniqueIDBDatabase& IDBServer::getOrCreateUniqueIDBDatabase(const IDBDatabaseIdentifier& identifier) |
121 | { |
122 | ASSERT(isMainThread()); |
123 | |
124 | auto uniqueIDBDatabase = m_uniqueIDBDatabaseMap.add(identifier, nullptr); |
125 | if (uniqueIDBDatabase.isNewEntry) |
126 | uniqueIDBDatabase.iterator->value = std::make_unique<UniqueIDBDatabase>(*this, identifier); |
127 | |
128 | return *uniqueIDBDatabase.iterator->value; |
129 | } |
130 | |
131 | std::unique_ptr<IDBBackingStore> IDBServer::createBackingStore(const IDBDatabaseIdentifier& identifier) |
132 | { |
133 | ASSERT(!isMainThread()); |
134 | |
135 | if (m_databaseDirectoryPath.isEmpty()) |
136 | return MemoryIDBBackingStore::create(identifier); |
137 | |
138 | return std::make_unique<SQLiteIDBBackingStore>(identifier, m_databaseDirectoryPath, m_backingStoreTemporaryFileHandler, m_perOriginQuota); |
139 | } |
140 | |
141 | void IDBServer::openDatabase(const IDBRequestData& requestData) |
142 | { |
143 | LOG(IndexedDB, "IDBServer::openDatabase" ); |
144 | |
145 | auto& uniqueIDBDatabase = getOrCreateUniqueIDBDatabase(requestData.databaseIdentifier()); |
146 | |
147 | auto connection = m_connectionMap.get(requestData.requestIdentifier().connectionIdentifier()); |
148 | if (!connection) { |
149 | // If the connection back to the client is gone, there's no way to open the database as |
150 | // well as no way to message back failure. |
151 | return; |
152 | } |
153 | |
154 | uniqueIDBDatabase.openDatabaseConnection(*connection, requestData); |
155 | } |
156 | |
157 | void IDBServer::deleteDatabase(const IDBRequestData& requestData) |
158 | { |
159 | LOG(IndexedDB, "IDBServer::deleteDatabase - %s" , requestData.databaseIdentifier().debugString().utf8().data()); |
160 | ASSERT(isMainThread()); |
161 | |
162 | auto connection = m_connectionMap.get(requestData.requestIdentifier().connectionIdentifier()); |
163 | if (!connection) { |
164 | // If the connection back to the client is gone, there's no way to delete the database as |
165 | // well as no way to message back failure. |
166 | return; |
167 | } |
168 | |
169 | auto* database = m_uniqueIDBDatabaseMap.get(requestData.databaseIdentifier()); |
170 | if (!database) |
171 | database = &getOrCreateUniqueIDBDatabase(requestData.databaseIdentifier()); |
172 | |
173 | database->handleDelete(*connection, requestData); |
174 | } |
175 | |
176 | std::unique_ptr<UniqueIDBDatabase> IDBServer::closeAndTakeUniqueIDBDatabase(UniqueIDBDatabase& database) |
177 | { |
178 | LOG(IndexedDB, "IDBServer::closeUniqueIDBDatabase" ); |
179 | ASSERT(isMainThread()); |
180 | |
181 | auto uniquePointer = m_uniqueIDBDatabaseMap.take(database.identifier()); |
182 | ASSERT(uniquePointer); |
183 | |
184 | return uniquePointer; |
185 | } |
186 | |
187 | void IDBServer::abortTransaction(const IDBResourceIdentifier& transactionIdentifier) |
188 | { |
189 | LOG(IndexedDB, "IDBServer::abortTransaction" ); |
190 | |
191 | auto transaction = m_transactions.get(transactionIdentifier); |
192 | if (!transaction) { |
193 | // If there is no transaction there is nothing to abort. |
194 | // We also have no access to a connection over which to message failure-to-abort. |
195 | return; |
196 | } |
197 | |
198 | transaction->abort(); |
199 | } |
200 | |
201 | void IDBServer::createObjectStore(const IDBRequestData& requestData, const IDBObjectStoreInfo& info) |
202 | { |
203 | LOG(IndexedDB, "IDBServer::createObjectStore" ); |
204 | |
205 | auto transaction = m_transactions.get(requestData.transactionIdentifier()); |
206 | if (!transaction) |
207 | return; |
208 | |
209 | ASSERT(transaction->isVersionChange()); |
210 | transaction->createObjectStore(requestData, info); |
211 | } |
212 | |
213 | void IDBServer::deleteObjectStore(const IDBRequestData& requestData, const String& objectStoreName) |
214 | { |
215 | LOG(IndexedDB, "IDBServer::deleteObjectStore" ); |
216 | |
217 | auto transaction = m_transactions.get(requestData.transactionIdentifier()); |
218 | if (!transaction) |
219 | return; |
220 | |
221 | ASSERT(transaction->isVersionChange()); |
222 | transaction->deleteObjectStore(requestData, objectStoreName); |
223 | } |
224 | |
225 | void IDBServer::renameObjectStore(const IDBRequestData& requestData, uint64_t objectStoreIdentifier, const String& newName) |
226 | { |
227 | LOG(IndexedDB, "IDBServer::renameObjectStore" ); |
228 | |
229 | auto transaction = m_transactions.get(requestData.transactionIdentifier()); |
230 | if (!transaction) |
231 | return; |
232 | |
233 | ASSERT(transaction->isVersionChange()); |
234 | transaction->renameObjectStore(requestData, objectStoreIdentifier, newName); |
235 | } |
236 | |
237 | void IDBServer::clearObjectStore(const IDBRequestData& requestData, uint64_t objectStoreIdentifier) |
238 | { |
239 | LOG(IndexedDB, "IDBServer::clearObjectStore" ); |
240 | |
241 | auto transaction = m_transactions.get(requestData.transactionIdentifier()); |
242 | if (!transaction) |
243 | return; |
244 | |
245 | transaction->clearObjectStore(requestData, objectStoreIdentifier); |
246 | } |
247 | |
248 | void IDBServer::createIndex(const IDBRequestData& requestData, const IDBIndexInfo& info) |
249 | { |
250 | LOG(IndexedDB, "IDBServer::createIndex" ); |
251 | |
252 | auto transaction = m_transactions.get(requestData.transactionIdentifier()); |
253 | if (!transaction) |
254 | return; |
255 | |
256 | ASSERT(transaction->isVersionChange()); |
257 | transaction->createIndex(requestData, info); |
258 | } |
259 | |
260 | void IDBServer::deleteIndex(const IDBRequestData& requestData, uint64_t objectStoreIdentifier, const String& indexName) |
261 | { |
262 | LOG(IndexedDB, "IDBServer::deleteIndex" ); |
263 | |
264 | auto transaction = m_transactions.get(requestData.transactionIdentifier()); |
265 | if (!transaction) |
266 | return; |
267 | |
268 | ASSERT(transaction->isVersionChange()); |
269 | transaction->deleteIndex(requestData, objectStoreIdentifier, indexName); |
270 | } |
271 | |
272 | void IDBServer::renameIndex(const IDBRequestData& requestData, uint64_t objectStoreIdentifier, uint64_t indexIdentifier, const String& newName) |
273 | { |
274 | LOG(IndexedDB, "IDBServer::renameIndex" ); |
275 | |
276 | auto transaction = m_transactions.get(requestData.transactionIdentifier()); |
277 | if (!transaction) |
278 | return; |
279 | |
280 | ASSERT(transaction->isVersionChange()); |
281 | transaction->renameIndex(requestData, objectStoreIdentifier, indexIdentifier, newName); |
282 | } |
283 | |
284 | void IDBServer::putOrAdd(const IDBRequestData& requestData, const IDBKeyData& keyData, const IDBValue& value, IndexedDB::ObjectStoreOverwriteMode overwriteMode) |
285 | { |
286 | LOG(IndexedDB, "IDBServer::putOrAdd" ); |
287 | |
288 | auto transaction = m_transactions.get(requestData.transactionIdentifier()); |
289 | if (!transaction) |
290 | return; |
291 | |
292 | transaction->putOrAdd(requestData, keyData, value, overwriteMode); |
293 | } |
294 | |
295 | void IDBServer::getRecord(const IDBRequestData& requestData, const IDBGetRecordData& getRecordData) |
296 | { |
297 | LOG(IndexedDB, "IDBServer::getRecord" ); |
298 | |
299 | auto transaction = m_transactions.get(requestData.transactionIdentifier()); |
300 | if (!transaction) |
301 | return; |
302 | |
303 | transaction->getRecord(requestData, getRecordData); |
304 | } |
305 | |
306 | void IDBServer::getAllRecords(const IDBRequestData& requestData, const IDBGetAllRecordsData& getAllRecordsData) |
307 | { |
308 | LOG(IndexedDB, "IDBServer::getAllRecords" ); |
309 | |
310 | auto transaction = m_transactions.get(requestData.transactionIdentifier()); |
311 | if (!transaction) |
312 | return; |
313 | |
314 | transaction->getAllRecords(requestData, getAllRecordsData); |
315 | } |
316 | |
317 | void IDBServer::getCount(const IDBRequestData& requestData, const IDBKeyRangeData& keyRangeData) |
318 | { |
319 | LOG(IndexedDB, "IDBServer::getCount" ); |
320 | |
321 | auto transaction = m_transactions.get(requestData.transactionIdentifier()); |
322 | if (!transaction) |
323 | return; |
324 | |
325 | transaction->getCount(requestData, keyRangeData); |
326 | } |
327 | |
328 | void IDBServer::deleteRecord(const IDBRequestData& requestData, const IDBKeyRangeData& keyRangeData) |
329 | { |
330 | LOG(IndexedDB, "IDBServer::deleteRecord" ); |
331 | |
332 | auto transaction = m_transactions.get(requestData.transactionIdentifier()); |
333 | if (!transaction) |
334 | return; |
335 | |
336 | transaction->deleteRecord(requestData, keyRangeData); |
337 | } |
338 | |
339 | void IDBServer::openCursor(const IDBRequestData& requestData, const IDBCursorInfo& info) |
340 | { |
341 | LOG(IndexedDB, "IDBServer::openCursor" ); |
342 | |
343 | auto transaction = m_transactions.get(requestData.transactionIdentifier()); |
344 | if (!transaction) |
345 | return; |
346 | |
347 | transaction->openCursor(requestData, info); |
348 | } |
349 | |
350 | void IDBServer::iterateCursor(const IDBRequestData& requestData, const IDBIterateCursorData& data) |
351 | { |
352 | LOG(IndexedDB, "IDBServer::iterateCursor" ); |
353 | |
354 | auto transaction = m_transactions.get(requestData.transactionIdentifier()); |
355 | if (!transaction) |
356 | return; |
357 | |
358 | transaction->iterateCursor(requestData, data); |
359 | } |
360 | |
361 | void IDBServer::establishTransaction(uint64_t databaseConnectionIdentifier, const IDBTransactionInfo& info) |
362 | { |
363 | LOG(IndexedDB, "IDBServer::establishTransaction" ); |
364 | |
365 | auto databaseConnection = m_databaseConnections.get(databaseConnectionIdentifier); |
366 | if (!databaseConnection) |
367 | return; |
368 | |
369 | databaseConnection->establishTransaction(info); |
370 | } |
371 | |
372 | void IDBServer::commitTransaction(const IDBResourceIdentifier& transactionIdentifier) |
373 | { |
374 | LOG(IndexedDB, "IDBServer::commitTransaction" ); |
375 | |
376 | auto transaction = m_transactions.get(transactionIdentifier); |
377 | if (!transaction) { |
378 | // If there is no transaction there is nothing to commit. |
379 | // We also have no access to a connection over which to message failure-to-commit. |
380 | return; |
381 | } |
382 | |
383 | transaction->commit(); |
384 | } |
385 | |
386 | void IDBServer::didFinishHandlingVersionChangeTransaction(uint64_t databaseConnectionIdentifier, const IDBResourceIdentifier& transactionIdentifier) |
387 | { |
388 | LOG(IndexedDB, "IDBServer::didFinishHandlingVersionChangeTransaction - %s" , transactionIdentifier.loggingString().utf8().data()); |
389 | |
390 | auto* connection = m_databaseConnections.get(databaseConnectionIdentifier); |
391 | if (!connection) |
392 | return; |
393 | |
394 | connection->didFinishHandlingVersionChange(transactionIdentifier); |
395 | } |
396 | |
397 | void IDBServer::databaseConnectionPendingClose(uint64_t databaseConnectionIdentifier) |
398 | { |
399 | LOG(IndexedDB, "IDBServer::databaseConnectionPendingClose - %" PRIu64, databaseConnectionIdentifier); |
400 | |
401 | auto databaseConnection = m_databaseConnections.get(databaseConnectionIdentifier); |
402 | if (!databaseConnection) |
403 | return; |
404 | |
405 | databaseConnection->connectionPendingCloseFromClient(); |
406 | } |
407 | |
408 | void IDBServer::databaseConnectionClosed(uint64_t databaseConnectionIdentifier) |
409 | { |
410 | LOG(IndexedDB, "IDBServer::databaseConnectionClosed - %" PRIu64, databaseConnectionIdentifier); |
411 | |
412 | auto databaseConnection = m_databaseConnections.get(databaseConnectionIdentifier); |
413 | if (!databaseConnection) |
414 | return; |
415 | |
416 | databaseConnection->connectionClosedFromClient(); |
417 | } |
418 | |
419 | void IDBServer::abortOpenAndUpgradeNeeded(uint64_t databaseConnectionIdentifier, const IDBResourceIdentifier& transactionIdentifier) |
420 | { |
421 | LOG(IndexedDB, "IDBServer::abortOpenAndUpgradeNeeded" ); |
422 | |
423 | auto transaction = m_transactions.get(transactionIdentifier); |
424 | if (transaction) |
425 | transaction->abortWithoutCallback(); |
426 | |
427 | auto databaseConnection = m_databaseConnections.get(databaseConnectionIdentifier); |
428 | if (!databaseConnection) |
429 | return; |
430 | |
431 | databaseConnection->connectionClosedFromClient(); |
432 | } |
433 | |
434 | void IDBServer::didFireVersionChangeEvent(uint64_t databaseConnectionIdentifier, const IDBResourceIdentifier& requestIdentifier) |
435 | { |
436 | LOG(IndexedDB, "IDBServer::didFireVersionChangeEvent" ); |
437 | |
438 | if (auto databaseConnection = m_databaseConnections.get(databaseConnectionIdentifier)) |
439 | databaseConnection->didFireVersionChangeEvent(requestIdentifier); |
440 | } |
441 | |
442 | void IDBServer::openDBRequestCancelled(const IDBRequestData& requestData) |
443 | { |
444 | LOG(IndexedDB, "IDBServer::openDBRequestCancelled" ); |
445 | ASSERT(isMainThread()); |
446 | |
447 | auto* uniqueIDBDatabase = m_uniqueIDBDatabaseMap.get(requestData.databaseIdentifier()); |
448 | if (!uniqueIDBDatabase) |
449 | return; |
450 | |
451 | uniqueIDBDatabase->openDBRequestCancelled(requestData.requestIdentifier()); |
452 | } |
453 | |
454 | void IDBServer::confirmDidCloseFromServer(uint64_t databaseConnectionIdentifier) |
455 | { |
456 | LOG(IndexedDB, "IDBServer::confirmDidCloseFromServer" ); |
457 | |
458 | if (auto databaseConnection = m_databaseConnections.get(databaseConnectionIdentifier)) |
459 | databaseConnection->confirmDidCloseFromServer(); |
460 | } |
461 | |
462 | void IDBServer::getAllDatabaseNames(uint64_t serverConnectionIdentifier, const SecurityOriginData& mainFrameOrigin, const SecurityOriginData& openingOrigin, uint64_t callbackID) |
463 | { |
464 | postDatabaseTask(createCrossThreadTask(*this, &IDBServer::performGetAllDatabaseNames, serverConnectionIdentifier, mainFrameOrigin, openingOrigin, callbackID)); |
465 | } |
466 | |
467 | void IDBServer::performGetAllDatabaseNames(uint64_t serverConnectionIdentifier, const SecurityOriginData& mainFrameOrigin, const SecurityOriginData& openingOrigin, uint64_t callbackID) |
468 | { |
469 | String oldDirectory = IDBDatabaseIdentifier::databaseDirectoryRelativeToRoot(mainFrameOrigin, openingOrigin, m_databaseDirectoryPath, "v0" ); |
470 | Vector<String> files = FileSystem::listDirectory(oldDirectory, "*"_s ); |
471 | Vector<String> databases; |
472 | for (auto& file : files) { |
473 | String encodedName = FileSystem::lastComponentOfPathIgnoringTrailingSlash(file); |
474 | databases.append(SQLiteIDBBackingStore::databaseNameFromEncodedFilename(encodedName)); |
475 | } |
476 | |
477 | String directory = IDBDatabaseIdentifier::databaseDirectoryRelativeToRoot(mainFrameOrigin, openingOrigin, m_databaseDirectoryPath, "v1" ); |
478 | files = FileSystem::listDirectory(directory, "*"_s ); |
479 | for (auto& file : files) { |
480 | auto databaseName = SQLiteIDBBackingStore::databaseNameFromFile(SQLiteIDBBackingStore::fullDatabasePathForDirectory(file)); |
481 | if (!databaseName.isEmpty()) |
482 | databases.append(databaseName); |
483 | } |
484 | |
485 | postDatabaseTaskReply(createCrossThreadTask(*this, &IDBServer::didGetAllDatabaseNames, serverConnectionIdentifier, callbackID, databases)); |
486 | } |
487 | |
488 | void IDBServer::didGetAllDatabaseNames(uint64_t serverConnectionIdentifier, uint64_t callbackID, const Vector<String>& databaseNames) |
489 | { |
490 | auto connection = m_connectionMap.get(serverConnectionIdentifier); |
491 | if (!connection) |
492 | return; |
493 | |
494 | connection->didGetAllDatabaseNames(callbackID, databaseNames); |
495 | } |
496 | |
497 | void IDBServer::postDatabaseTask(CrossThreadTask&& task) |
498 | { |
499 | postTask(WTFMove(task)); |
500 | } |
501 | |
502 | void IDBServer::postDatabaseTaskReply(CrossThreadTask&& task) |
503 | { |
504 | postTaskReply(WTFMove(task)); |
505 | } |
506 | |
507 | static uint64_t generateDeleteCallbackID() |
508 | { |
509 | ASSERT(isMainThread()); |
510 | static uint64_t currentID = 0; |
511 | return ++currentID; |
512 | } |
513 | |
514 | void IDBServer::closeAndDeleteDatabasesModifiedSince(WallTime modificationTime, Function<void ()>&& completionHandler) |
515 | { |
516 | uint64_t callbackID = generateDeleteCallbackID(); |
517 | auto addResult = m_deleteDatabaseCompletionHandlers.add(callbackID, WTFMove(completionHandler)); |
518 | ASSERT_UNUSED(addResult, addResult.isNewEntry); |
519 | |
520 | // If the modification time is in the future, don't both doing anything. |
521 | if (modificationTime > WallTime::now()) { |
522 | postDatabaseTaskReply(createCrossThreadTask(*this, &IDBServer::didPerformCloseAndDeleteDatabases, callbackID)); |
523 | return; |
524 | } |
525 | |
526 | HashSet<UniqueIDBDatabase*> openDatabases; |
527 | for (auto& database : m_uniqueIDBDatabaseMap.values()) |
528 | openDatabases.add(database.get()); |
529 | |
530 | for (auto& database : openDatabases) |
531 | database->immediateCloseForUserDelete(); |
532 | |
533 | postDatabaseTask(createCrossThreadTask(*this, &IDBServer::performCloseAndDeleteDatabasesModifiedSince, modificationTime, callbackID)); |
534 | } |
535 | |
536 | void IDBServer::closeAndDeleteDatabasesForOrigins(const Vector<SecurityOriginData>& origins, Function<void ()>&& completionHandler) |
537 | { |
538 | uint64_t callbackID = generateDeleteCallbackID(); |
539 | auto addResult = m_deleteDatabaseCompletionHandlers.add(callbackID, WTFMove(completionHandler)); |
540 | ASSERT_UNUSED(addResult, addResult.isNewEntry); |
541 | |
542 | HashSet<UniqueIDBDatabase*> openDatabases; |
543 | for (auto& database : m_uniqueIDBDatabaseMap.values()) { |
544 | const auto& identifier = database->identifier(); |
545 | for (auto& origin : origins) { |
546 | if (identifier.isRelatedToOrigin(origin)) { |
547 | openDatabases.add(database.get()); |
548 | break; |
549 | } |
550 | } |
551 | } |
552 | |
553 | for (auto& database : openDatabases) |
554 | database->immediateCloseForUserDelete(); |
555 | |
556 | postDatabaseTask(createCrossThreadTask(*this, &IDBServer::performCloseAndDeleteDatabasesForOrigins, origins, callbackID)); |
557 | } |
558 | |
559 | static void removeAllDatabasesForFullOriginPath(const String& originPath, WallTime modifiedSince) |
560 | { |
561 | LOG(IndexedDB, "removeAllDatabasesForOriginPath with originPath %s" , originPath.utf8().data()); |
562 | Vector<String> databasePaths = FileSystem::listDirectory(originPath, "*" ); |
563 | |
564 | for (auto& databasePath : databasePaths) { |
565 | String databaseFile = FileSystem::pathByAppendingComponent(databasePath, "IndexedDB.sqlite3" ); |
566 | if (modifiedSince > -WallTime::infinity() && FileSystem::fileExists(databaseFile)) { |
567 | auto modificationTime = FileSystem::getFileModificationTime(databaseFile); |
568 | if (!modificationTime) |
569 | continue; |
570 | |
571 | if (modificationTime.value() < modifiedSince) |
572 | continue; |
573 | } |
574 | |
575 | // Deleting this database means we need to delete all files that represent it. |
576 | // This includes: |
577 | // - The directory itself, which is named after the database. |
578 | // - IndexedDB.sqlite3 and related SQLite files. |
579 | // - Blob files that we stored in the directory. |
580 | // |
581 | // To be conservative, we should *not* try to delete files that are unexpected; |
582 | // We should only delete files we think we put there. |
583 | // |
584 | // IndexedDB blob files are named "N.blob" where N is a decimal integer, |
585 | // so those are the only blob files we should be trying to delete. |
586 | for (auto& blobPath : FileSystem::listDirectory(databasePath, "[0-9]*.blob" )) { |
587 | // Globbing can't give us only filenames starting with 1-or-more digits. |
588 | // The above globbing gives us files that start with a digit and ends with ".blob", but there might be non-digits in between. |
589 | // We need to validate that each filename contains only digits before deleting it, as any other files are not ones we put there. |
590 | String filename = FileSystem::pathGetFileName(blobPath); |
591 | auto filenameLength = filename.length(); |
592 | |
593 | ASSERT(filenameLength >= 6); |
594 | ASSERT(filename.endsWith(".blob" )); |
595 | |
596 | if (filename.length() < 6) |
597 | continue; |
598 | if (!filename.endsWith(".blob" )) |
599 | continue; |
600 | |
601 | bool validFilename = true; |
602 | for (unsigned i = 0; i < filenameLength - 5; ++i) { |
603 | if (!isASCIIDigit(filename[i])) { |
604 | validFilename = false; |
605 | break; |
606 | } |
607 | } |
608 | |
609 | if (validFilename) |
610 | FileSystem::deleteFile(blobPath); |
611 | } |
612 | |
613 | // Now delete IndexedDB.sqlite3 and related SQLite files. |
614 | SQLiteFileSystem::deleteDatabaseFile(databaseFile); |
615 | |
616 | // And finally, if we can, delete the empty directory. |
617 | FileSystem::deleteEmptyDirectory(databasePath); |
618 | } |
619 | |
620 | // If no databases remain for this origin, we can delete the origin directory as well. |
621 | FileSystem::deleteEmptyDirectory(originPath); |
622 | } |
623 | |
624 | static void removeAllDatabasesForOriginPath(const String& originPath, WallTime modifiedSince) |
625 | { |
626 | String databaseIdentifier = FileSystem::lastComponentOfPathIgnoringTrailingSlash(originPath); |
627 | if (!SecurityOriginData::fromDatabaseIdentifier(databaseIdentifier)) |
628 | return; |
629 | |
630 | auto directories = FileSystem::listDirectory(originPath, "*"_s ); |
631 | for (auto& directory : directories) { |
632 | String databaseIdentifier = FileSystem::lastComponentOfPathIgnoringTrailingSlash(directory); |
633 | if (auto securityOrigin = SecurityOriginData::fromDatabaseIdentifier(databaseIdentifier)) |
634 | removeAllDatabasesForFullOriginPath(directory, modifiedSince); |
635 | } |
636 | |
637 | removeAllDatabasesForFullOriginPath(originPath, modifiedSince); |
638 | } |
639 | |
640 | void IDBServer::removeDatabasesModifiedSinceForVersion(WallTime modifiedSince, const String& version) |
641 | { |
642 | String versionPath = FileSystem::pathByAppendingComponent(m_databaseDirectoryPath, version); |
643 | for (auto& originPath : FileSystem::listDirectory(versionPath, "*" )) { |
644 | String databaseIdentifier = FileSystem::lastComponentOfPathIgnoringTrailingSlash(originPath); |
645 | if (auto securityOrigin = SecurityOriginData::fromDatabaseIdentifier(databaseIdentifier)) |
646 | removeAllDatabasesForOriginPath(originPath, modifiedSince); |
647 | } |
648 | } |
649 | |
650 | void IDBServer::performCloseAndDeleteDatabasesModifiedSince(WallTime modifiedSince, uint64_t callbackID) |
651 | { |
652 | if (!m_databaseDirectoryPath.isEmpty()) { |
653 | removeDatabasesModifiedSinceForVersion(modifiedSince, "v0" ); |
654 | removeDatabasesModifiedSinceForVersion(modifiedSince, "v1" ); |
655 | } |
656 | |
657 | postDatabaseTaskReply(createCrossThreadTask(*this, &IDBServer::didPerformCloseAndDeleteDatabases, callbackID)); |
658 | } |
659 | |
660 | void IDBServer::removeDatabasesWithOriginsForVersion(const Vector<SecurityOriginData> &origins, const String& version) |
661 | { |
662 | String versionPath = FileSystem::pathByAppendingComponent(m_databaseDirectoryPath, version); |
663 | for (const auto& origin : origins) { |
664 | String originPath = FileSystem::pathByAppendingComponent(versionPath, origin.databaseIdentifier()); |
665 | removeAllDatabasesForOriginPath(originPath, -WallTime::infinity()); |
666 | |
667 | for (auto& topOriginPath : FileSystem::listDirectory(versionPath, "*" )) { |
668 | originPath = FileSystem::pathByAppendingComponent(topOriginPath, origin.databaseIdentifier()); |
669 | removeAllDatabasesForOriginPath(originPath, -WallTime::infinity()); |
670 | } |
671 | } |
672 | } |
673 | |
674 | void IDBServer::performCloseAndDeleteDatabasesForOrigins(const Vector<SecurityOriginData>& origins, uint64_t callbackID) |
675 | { |
676 | if (!m_databaseDirectoryPath.isEmpty()) { |
677 | removeDatabasesWithOriginsForVersion(origins, "v0" ); |
678 | removeDatabasesWithOriginsForVersion(origins, "v1" ); |
679 | } |
680 | |
681 | postDatabaseTaskReply(createCrossThreadTask(*this, &IDBServer::didPerformCloseAndDeleteDatabases, callbackID)); |
682 | } |
683 | |
684 | void IDBServer::didPerformCloseAndDeleteDatabases(uint64_t callbackID) |
685 | { |
686 | for (auto& user : m_quotaUsers.values()) |
687 | user->resetSpaceUsed(); |
688 | |
689 | auto callback = m_deleteDatabaseCompletionHandlers.take(callbackID); |
690 | ASSERT(callback); |
691 | callback(); |
692 | } |
693 | |
694 | void IDBServer::setPerOriginQuota(uint64_t quota) |
695 | { |
696 | m_perOriginQuota = quota; |
697 | |
698 | for (auto& database : m_uniqueIDBDatabaseMap.values()) |
699 | database->setQuota(quota); |
700 | } |
701 | |
702 | IDBServer::QuotaUser::QuotaUser(IDBServer& server, StorageQuotaManager* manager, ClientOrigin&& origin) |
703 | : m_server(server) |
704 | , m_manager(makeWeakPtr(manager)) |
705 | , m_origin(WTFMove(origin)) |
706 | , m_isInitialized(m_server.m_sessionID.isEphemeral()) |
707 | { |
708 | if (manager) |
709 | manager->addUser(*this); |
710 | } |
711 | |
712 | IDBServer::QuotaUser::~QuotaUser() |
713 | { |
714 | if (m_manager) |
715 | m_manager->removeUser(*this); |
716 | } |
717 | |
718 | void IDBServer::QuotaUser::resetSpaceUsed() |
719 | { |
720 | m_spaceUsed = 0; |
721 | m_estimatedSpaceIncrease = 0; |
722 | |
723 | if (!m_manager) |
724 | return; |
725 | |
726 | if (m_server.m_sessionID.isEphemeral()) |
727 | return; |
728 | |
729 | if (!m_isInitialized) |
730 | return; |
731 | |
732 | ASSERT(!m_initializationCallback); |
733 | |
734 | m_isInitialized = false; |
735 | |
736 | // Do add/remove to trigger call to whenInitialized. |
737 | m_manager->removeUser(*this); |
738 | m_manager->addUser(*this); |
739 | } |
740 | |
741 | void IDBServer::QuotaUser::whenInitialized(CompletionHandler<void()>&& callback) |
742 | { |
743 | if (m_isInitialized) { |
744 | callback(); |
745 | return; |
746 | } |
747 | m_initializationCallback = WTFMove(callback); |
748 | m_server.startComputingSpaceUsedForOrigin(m_origin); |
749 | } |
750 | |
751 | void IDBServer::QuotaUser::initializeSpaceUsed(uint64_t spaceUsed) |
752 | { |
753 | ASSERT(m_isInitialized || !m_estimatedSpaceIncrease); |
754 | m_spaceUsed = spaceUsed; |
755 | m_isInitialized = true; |
756 | |
757 | if (auto callback = WTFMove(m_initializationCallback)) |
758 | callback(); |
759 | } |
760 | |
761 | IDBServer::QuotaUser& IDBServer::ensureQuotaUser(const ClientOrigin& origin) |
762 | { |
763 | return *m_quotaUsers.ensure(origin, [this, &origin] { |
764 | return std::make_unique<QuotaUser>(*this, m_quotaManagerGetter(m_sessionID, origin), ClientOrigin { origin }); |
765 | }).iterator->value; |
766 | } |
767 | |
768 | void IDBServer::startComputingSpaceUsedForOrigin(const ClientOrigin& origin) |
769 | { |
770 | ASSERT(!m_sessionID.isEphemeral()); |
771 | postDatabaseTask(createCrossThreadTask(*this, &IDBServer::computeSpaceUsedForOrigin, origin)); |
772 | } |
773 | |
774 | void IDBServer::computeSpaceUsedForOrigin(const ClientOrigin& origin) |
775 | { |
776 | ASSERT(!isMainThread()); |
777 | |
778 | auto oldVersionOriginDirectory = IDBDatabaseIdentifier::databaseDirectoryRelativeToRoot(origin.topOrigin, origin.clientOrigin, m_databaseDirectoryPath, "v0" ); |
779 | auto newVersionOriginDirectory = IDBDatabaseIdentifier::databaseDirectoryRelativeToRoot(origin.topOrigin, origin.clientOrigin, m_databaseDirectoryPath, "v1" ); |
780 | auto size = SQLiteIDBBackingStore::databasesSizeForFolder(oldVersionOriginDirectory) + SQLiteIDBBackingStore::databasesSizeForFolder(newVersionOriginDirectory); |
781 | |
782 | postDatabaseTaskReply(createCrossThreadTask(*this, &IDBServer::finishComputingSpaceUsedForOrigin, origin, size)); |
783 | } |
784 | |
785 | void IDBServer::finishComputingSpaceUsedForOrigin(const ClientOrigin& origin, uint64_t spaceUsed) |
786 | { |
787 | ensureQuotaUser(origin).initializeSpaceUsed(spaceUsed); |
788 | } |
789 | |
790 | void IDBServer::requestSpace(const ClientOrigin& origin, uint64_t taskSize, CompletionHandler<void(StorageQuotaManager::Decision)>&& callback) |
791 | { |
792 | auto* quotaManager = ensureQuotaUser(origin).manager(); |
793 | if (!quotaManager) { |
794 | callback(StorageQuotaManager::Decision::Deny); |
795 | return; |
796 | } |
797 | |
798 | quotaManager->requestSpace(taskSize, WTFMove(callback)); |
799 | } |
800 | |
801 | void IDBServer::resetSpaceUsed(const ClientOrigin& origin) |
802 | { |
803 | if (auto* user = m_quotaUsers.get(origin)) |
804 | user->resetSpaceUsed(); |
805 | } |
806 | |
807 | void IDBServer::setSpaceUsed(const ClientOrigin& origin, uint64_t taskSize) |
808 | { |
809 | ensureQuotaUser(origin).setSpaceUsed(taskSize); |
810 | } |
811 | |
812 | void IDBServer::increasePotentialSpaceUsed(const ClientOrigin& origin, uint64_t taskSize) |
813 | { |
814 | ensureQuotaUser(origin).increasePotentialSpaceUsed(taskSize); |
815 | } |
816 | |
817 | void IDBServer::decreasePotentialSpaceUsed(const ClientOrigin& origin, uint64_t spaceUsed) |
818 | { |
819 | ensureQuotaUser(origin).decreasePotentialSpaceUsed(spaceUsed); |
820 | } |
821 | |
822 | void IDBServer::upgradeFilesIfNecessary() |
823 | { |
824 | if (m_databaseDirectoryPath.isEmpty() || !FileSystem::fileExists(m_databaseDirectoryPath)) |
825 | return; |
826 | |
827 | String newVersionDirectory = FileSystem::pathByAppendingComponent(m_databaseDirectoryPath, "v1" ); |
828 | if (!FileSystem::fileExists(newVersionDirectory)) |
829 | FileSystem::makeAllDirectories(newVersionDirectory); |
830 | } |
831 | |
832 | void IDBServer::tryStop(ShouldForceStop shouldForceStop) |
833 | { |
834 | // Only stop non-ephemeral IDBServers that can hold locked database files. |
835 | if (m_sessionID.isEphemeral()) |
836 | return; |
837 | |
838 | suspendAndWait(); |
839 | if (shouldForceStop == ShouldForceStop::No && SQLiteDatabaseTracker::hasTransactionInProgress()) { |
840 | CrossThreadTaskHandler::resume(); |
841 | return; |
842 | } |
843 | |
844 | for (auto& database : m_uniqueIDBDatabaseMap.values()) |
845 | database->finishActiveTransactions(); |
846 | } |
847 | |
848 | void IDBServer::resume() |
849 | { |
850 | if (m_sessionID.isEphemeral()) |
851 | return; |
852 | |
853 | CrossThreadTaskHandler::resume(); |
854 | } |
855 | |
856 | } // namespace IDBServer |
857 | } // namespace WebCore |
858 | |
859 | #endif // ENABLE(INDEXED_DATABASE) |
860 | |