/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "mozilla/DebugOnly.h" #include "OpenDatabaseHelper.h" #include "nsIBFCacheEntry.h" #include "nsIFile.h" #include #include "mozilla/dom/quota/AcquireListener.h" #include "mozilla/dom/quota/OriginOrPatternString.h" #include "mozilla/dom/quota/QuotaManager.h" #include "mozilla/storage.h" #include "nsEscape.h" #include "nsNetUtil.h" #include "nsThreadUtils.h" #include "snappy/snappy.h" #include "Client.h" #include "IDBEvents.h" #include "IDBFactory.h" #include "IndexedDatabaseManager.h" #include "ProfilerHelpers.h" using namespace mozilla; using namespace mozilla::dom; USING_INDEXEDDB_NAMESPACE USING_QUOTA_NAMESPACE namespace { // If JS_STRUCTURED_CLONE_VERSION changes then we need to update our major // schema version. MOZ_STATIC_ASSERT(JS_STRUCTURED_CLONE_VERSION == 2, "Need to update the major schema version."); // Major schema version. Bump for almost everything. const uint32_t kMajorSchemaVersion = 14; // Minor schema version. Should almost always be 0 (maybe bump on release // branches if we have to). const uint32_t kMinorSchemaVersion = 0; // The schema version we store in the SQLite database is a (signed) 32-bit // integer. The major version is left-shifted 4 bits so the max value is // 0xFFFFFFF. The minor version occupies the lower 4 bits and its max is 0xF. MOZ_STATIC_ASSERT(kMajorSchemaVersion <= 0xFFFFFFF, "Major version needs to fit in 28 bits."); MOZ_STATIC_ASSERT(kMinorSchemaVersion <= 0xF, "Minor version needs to fit in 4 bits."); inline int32_t MakeSchemaVersion(uint32_t aMajorSchemaVersion, uint32_t aMinorSchemaVersion) { return int32_t((aMajorSchemaVersion << 4) + aMinorSchemaVersion); } const int32_t kSQLiteSchemaVersion = int32_t((kMajorSchemaVersion << 4) + kMinorSchemaVersion); nsresult GetDatabaseFilename(const nsAString& aName, nsAString& aDatabaseFilename) { aDatabaseFilename.AppendInt(HashString(aName)); nsCString escapedName; if (!NS_Escape(NS_ConvertUTF16toUTF8(aName), escapedName, url_XPAlphas)) { NS_WARNING("Can't escape database name!"); return NS_ERROR_UNEXPECTED; } const char* forwardIter = escapedName.BeginReading(); const char* backwardIter = escapedName.EndReading() - 1; nsCString substring; while (forwardIter <= backwardIter && substring.Length() < 21) { if (substring.Length() % 2) { substring.Append(*backwardIter--); } else { substring.Append(*forwardIter++); } } aDatabaseFilename.Append(NS_ConvertASCIItoUTF16(substring)); return NS_OK; } nsresult CreateFileTables(mozIStorageConnection* aDBConn) { NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); PROFILER_LABEL("IndexedDB", "CreateFileTables"); // Table `file` nsresult rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE file (" "id INTEGER PRIMARY KEY, " "refcount INTEGER NOT NULL" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TRIGGER object_data_insert_trigger " "AFTER INSERT ON object_data " "FOR EACH ROW " "WHEN NEW.file_ids IS NOT NULL " "BEGIN " "SELECT update_refcount(NULL, NEW.file_ids); " "END;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TRIGGER object_data_update_trigger " "AFTER UPDATE OF file_ids ON object_data " "FOR EACH ROW " "WHEN OLD.file_ids IS NOT NULL OR NEW.file_ids IS NOT NULL " "BEGIN " "SELECT update_refcount(OLD.file_ids, NEW.file_ids); " "END;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TRIGGER object_data_delete_trigger " "AFTER DELETE ON object_data " "FOR EACH ROW WHEN OLD.file_ids IS NOT NULL " "BEGIN " "SELECT update_refcount(OLD.file_ids, NULL); " "END;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TRIGGER file_update_trigger " "AFTER UPDATE ON file " "FOR EACH ROW WHEN NEW.refcount = 0 " "BEGIN " "DELETE FROM file WHERE id = OLD.id; " "END;" )); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } nsresult CreateTables(mozIStorageConnection* aDBConn) { NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); NS_ASSERTION(aDBConn, "Passing a null database connection!"); PROFILER_LABEL("IndexedDB", "CreateTables"); // Table `database` nsresult rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE database (" "name TEXT NOT NULL, " "version INTEGER NOT NULL DEFAULT 0" ");" )); NS_ENSURE_SUCCESS(rv, rv); // Table `object_store` rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE object_store (" "id INTEGER PRIMARY KEY, " "auto_increment INTEGER NOT NULL DEFAULT 0, " "name TEXT NOT NULL, " "key_path TEXT, " "UNIQUE (name)" ");" )); NS_ENSURE_SUCCESS(rv, rv); // Table `object_data` rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE object_data (" "id INTEGER PRIMARY KEY, " "object_store_id INTEGER NOT NULL, " "key_value BLOB DEFAULT NULL, " "file_ids TEXT, " "data BLOB NOT NULL, " "UNIQUE (object_store_id, key_value), " "FOREIGN KEY (object_store_id) REFERENCES object_store(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); // Table `index` rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE object_store_index (" "id INTEGER PRIMARY KEY, " "object_store_id INTEGER NOT NULL, " "name TEXT NOT NULL, " "key_path TEXT NOT NULL, " "unique_index INTEGER NOT NULL, " "multientry INTEGER NOT NULL, " "UNIQUE (object_store_id, name), " "FOREIGN KEY (object_store_id) REFERENCES object_store(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); // Table `index_data` rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE index_data (" "index_id INTEGER NOT NULL, " "value BLOB NOT NULL, " "object_data_key BLOB NOT NULL, " "object_data_id INTEGER NOT NULL, " "PRIMARY KEY (index_id, value, object_data_key), " "FOREIGN KEY (index_id) REFERENCES object_store_index(id) ON DELETE " "CASCADE, " "FOREIGN KEY (object_data_id) REFERENCES object_data(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); // Need this to make cascading deletes from object_data and object_store fast. rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE INDEX index_data_object_data_id_index " "ON index_data (object_data_id);" )); NS_ENSURE_SUCCESS(rv, rv); // Table `unique_index_data` rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE unique_index_data (" "index_id INTEGER NOT NULL, " "value BLOB NOT NULL, " "object_data_key BLOB NOT NULL, " "object_data_id INTEGER NOT NULL, " "PRIMARY KEY (index_id, value, object_data_key), " "UNIQUE (index_id, value), " "FOREIGN KEY (index_id) REFERENCES object_store_index(id) ON DELETE " "CASCADE " "FOREIGN KEY (object_data_id) REFERENCES object_data(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); // Need this to make cascading deletes from object_data and object_store fast. rv = aDBConn->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE INDEX unique_index_data_object_data_id_index " "ON unique_index_data (object_data_id);" )); NS_ENSURE_SUCCESS(rv, rv); rv = CreateFileTables(aDBConn); NS_ENSURE_SUCCESS(rv, rv); rv = aDBConn->SetSchemaVersion(kSQLiteSchemaVersion); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } nsresult UpgradeSchemaFrom4To5(mozIStorageConnection* aConnection) { NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); PROFILER_LABEL("IndexedDB", "UpgradeSchemaFrom4To5"); nsresult rv; // All we changed is the type of the version column, so lets try to // convert that to an integer, and if we fail, set it to 0. nsCOMPtr stmt; rv = aConnection->CreateStatement(NS_LITERAL_CSTRING( "SELECT name, version, dataVersion " "FROM database" ), getter_AddRefs(stmt)); NS_ENSURE_SUCCESS(rv, rv); nsString name; int32_t intVersion; int64_t dataVersion; { mozStorageStatementScoper scoper(stmt); bool hasResults; rv = stmt->ExecuteStep(&hasResults); NS_ENSURE_SUCCESS(rv, rv); NS_ENSURE_TRUE(hasResults, NS_ERROR_FAILURE); nsString version; rv = stmt->GetString(1, version); NS_ENSURE_SUCCESS(rv, rv); intVersion = version.ToInteger(&rv); if (NS_FAILED(rv)) { intVersion = 0; } rv = stmt->GetString(0, name); NS_ENSURE_SUCCESS(rv, rv); rv = stmt->GetInt64(2, &dataVersion); NS_ENSURE_SUCCESS(rv, rv); } rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE database" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE database (" "name TEXT NOT NULL, " "version INTEGER NOT NULL DEFAULT 0, " "dataVersion INTEGER NOT NULL" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->CreateStatement(NS_LITERAL_CSTRING( "INSERT INTO database (name, version, dataVersion) " "VALUES (:name, :version, :dataVersion)" ), getter_AddRefs(stmt)); NS_ENSURE_SUCCESS(rv, rv); { mozStorageStatementScoper scoper(stmt); rv = stmt->BindStringParameter(0, name); NS_ENSURE_SUCCESS(rv, rv); rv = stmt->BindInt32Parameter(1, intVersion); NS_ENSURE_SUCCESS(rv, rv); rv = stmt->BindInt64Parameter(2, dataVersion); NS_ENSURE_SUCCESS(rv, rv); rv = stmt->Execute(); NS_ENSURE_SUCCESS(rv, rv); } rv = aConnection->SetSchemaVersion(5); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } nsresult UpgradeSchemaFrom5To6(mozIStorageConnection* aConnection) { NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); PROFILER_LABEL("IndexedDB", "UpgradeSchemaFrom5To6"); // First, drop all the indexes we're no longer going to use. nsresult rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP INDEX key_index;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP INDEX ai_key_index;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP INDEX value_index;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP INDEX ai_value_index;" )); NS_ENSURE_SUCCESS(rv, rv); // Now, reorder the columns of object_data to put the blob data last. We do // this by copying into a temporary table, dropping the original, then copying // back into a newly created table. rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TEMPORARY TABLE temp_upgrade (" "id INTEGER PRIMARY KEY, " "object_store_id, " "key_value, " "data " ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO temp_upgrade " "SELECT id, object_store_id, key_value, data " "FROM object_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE object_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE object_data (" "id INTEGER PRIMARY KEY, " "object_store_id INTEGER NOT NULL, " "key_value DEFAULT NULL, " "data BLOB NOT NULL, " "UNIQUE (object_store_id, key_value), " "FOREIGN KEY (object_store_id) REFERENCES object_store(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO object_data " "SELECT id, object_store_id, key_value, data " "FROM temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); // We need to add a unique constraint to our ai_object_data table. Copy all // the data out of it using a temporary table as before. rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TEMPORARY TABLE temp_upgrade (" "id INTEGER PRIMARY KEY, " "object_store_id, " "data " ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO temp_upgrade " "SELECT id, object_store_id, data " "FROM ai_object_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE ai_object_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE ai_object_data (" "id INTEGER PRIMARY KEY AUTOINCREMENT, " "object_store_id INTEGER NOT NULL, " "data BLOB NOT NULL, " "UNIQUE (object_store_id, id), " "FOREIGN KEY (object_store_id) REFERENCES object_store(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO ai_object_data " "SELECT id, object_store_id, data " "FROM temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); // Fix up the index_data table. We're reordering the columns as well as // changing the primary key from being a simple id to being a composite. rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TEMPORARY TABLE temp_upgrade (" "index_id, " "value, " "object_data_key, " "object_data_id " ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO temp_upgrade " "SELECT index_id, value, object_data_key, object_data_id " "FROM index_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE index_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE index_data (" "index_id INTEGER NOT NULL, " "value NOT NULL, " "object_data_key NOT NULL, " "object_data_id INTEGER NOT NULL, " "PRIMARY KEY (index_id, value, object_data_key), " "FOREIGN KEY (index_id) REFERENCES object_store_index(id) ON DELETE " "CASCADE, " "FOREIGN KEY (object_data_id) REFERENCES object_data(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT OR IGNORE INTO index_data " "SELECT index_id, value, object_data_key, object_data_id " "FROM temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE INDEX index_data_object_data_id_index " "ON index_data (object_data_id);" )); NS_ENSURE_SUCCESS(rv, rv); // Fix up the unique_index_data table. We're reordering the columns as well as // changing the primary key from being a simple id to being a composite. rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TEMPORARY TABLE temp_upgrade (" "index_id, " "value, " "object_data_key, " "object_data_id " ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO temp_upgrade " "SELECT index_id, value, object_data_key, object_data_id " "FROM unique_index_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE unique_index_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE unique_index_data (" "index_id INTEGER NOT NULL, " "value NOT NULL, " "object_data_key NOT NULL, " "object_data_id INTEGER NOT NULL, " "PRIMARY KEY (index_id, value, object_data_key), " "UNIQUE (index_id, value), " "FOREIGN KEY (index_id) REFERENCES object_store_index(id) ON DELETE " "CASCADE " "FOREIGN KEY (object_data_id) REFERENCES object_data(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO unique_index_data " "SELECT index_id, value, object_data_key, object_data_id " "FROM temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE INDEX unique_index_data_object_data_id_index " "ON unique_index_data (object_data_id);" )); NS_ENSURE_SUCCESS(rv, rv); // Fix up the ai_index_data table. We're reordering the columns as well as // changing the primary key from being a simple id to being a composite. rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TEMPORARY TABLE temp_upgrade (" "index_id, " "value, " "ai_object_data_id " ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO temp_upgrade " "SELECT index_id, value, ai_object_data_id " "FROM ai_index_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE ai_index_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE ai_index_data (" "index_id INTEGER NOT NULL, " "value NOT NULL, " "ai_object_data_id INTEGER NOT NULL, " "PRIMARY KEY (index_id, value, ai_object_data_id), " "FOREIGN KEY (index_id) REFERENCES object_store_index(id) ON DELETE " "CASCADE, " "FOREIGN KEY (ai_object_data_id) REFERENCES ai_object_data(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT OR IGNORE INTO ai_index_data " "SELECT index_id, value, ai_object_data_id " "FROM temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE INDEX ai_index_data_ai_object_data_id_index " "ON ai_index_data (ai_object_data_id);" )); NS_ENSURE_SUCCESS(rv, rv); // Fix up the ai_unique_index_data table. We're reordering the columns as well // as changing the primary key from being a simple id to being a composite. rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TEMPORARY TABLE temp_upgrade (" "index_id, " "value, " "ai_object_data_id " ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO temp_upgrade " "SELECT index_id, value, ai_object_data_id " "FROM ai_unique_index_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE ai_unique_index_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE ai_unique_index_data (" "index_id INTEGER NOT NULL, " "value NOT NULL, " "ai_object_data_id INTEGER NOT NULL, " "UNIQUE (index_id, value), " "PRIMARY KEY (index_id, value, ai_object_data_id), " "FOREIGN KEY (index_id) REFERENCES object_store_index(id) ON DELETE " "CASCADE, " "FOREIGN KEY (ai_object_data_id) REFERENCES ai_object_data(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO ai_unique_index_data " "SELECT index_id, value, ai_object_data_id " "FROM temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE INDEX ai_unique_index_data_ai_object_data_id_index " "ON ai_unique_index_data (ai_object_data_id);" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->SetSchemaVersion(6); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } nsresult UpgradeSchemaFrom6To7(mozIStorageConnection* aConnection) { NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); PROFILER_LABEL("IndexedDB", "UpgradeSchemaFrom6To7"); nsresult rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TEMPORARY TABLE temp_upgrade (" "id, " "name, " "key_path, " "auto_increment" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO temp_upgrade " "SELECT id, name, key_path, auto_increment " "FROM object_store;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE object_store;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE object_store (" "id INTEGER PRIMARY KEY, " "auto_increment INTEGER NOT NULL DEFAULT 0, " "name TEXT NOT NULL, " "key_path TEXT, " "UNIQUE (name)" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO object_store " "SELECT id, auto_increment, name, nullif(key_path, '') " "FROM temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->SetSchemaVersion(7); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } nsresult UpgradeSchemaFrom7To8(mozIStorageConnection* aConnection) { NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); PROFILER_LABEL("IndexedDB", "UpgradeSchemaFrom7To8"); nsresult rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TEMPORARY TABLE temp_upgrade (" "id, " "object_store_id, " "name, " "key_path, " "unique_index, " "object_store_autoincrement" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO temp_upgrade " "SELECT id, object_store_id, name, key_path, " "unique_index, object_store_autoincrement " "FROM object_store_index;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE object_store_index;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE object_store_index (" "id INTEGER, " "object_store_id INTEGER NOT NULL, " "name TEXT NOT NULL, " "key_path TEXT NOT NULL, " "unique_index INTEGER NOT NULL, " "multientry INTEGER NOT NULL, " "object_store_autoincrement INTERGER NOT NULL, " "PRIMARY KEY (id), " "UNIQUE (object_store_id, name), " "FOREIGN KEY (object_store_id) REFERENCES object_store(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO object_store_index " "SELECT id, object_store_id, name, key_path, " "unique_index, 0, object_store_autoincrement " "FROM temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->SetSchemaVersion(8); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } class CompressDataBlobsFunction MOZ_FINAL : public mozIStorageFunction { public: NS_DECL_ISUPPORTS NS_IMETHOD OnFunctionCall(mozIStorageValueArray* aArguments, nsIVariant** aResult) { PROFILER_LABEL("IndexedDB", "CompressDataBlobsFunction::OnFunctionCall"); uint32_t argc; nsresult rv = aArguments->GetNumEntries(&argc); NS_ENSURE_SUCCESS(rv, rv); if (argc != 1) { NS_WARNING("Don't call me with the wrong number of arguments!"); return NS_ERROR_UNEXPECTED; } int32_t type; rv = aArguments->GetTypeOfIndex(0, &type); NS_ENSURE_SUCCESS(rv, rv); if (type != mozIStorageStatement::VALUE_TYPE_BLOB) { NS_WARNING("Don't call me with the wrong type of arguments!"); return NS_ERROR_UNEXPECTED; } const uint8_t* uncompressed; uint32_t uncompressedLength; rv = aArguments->GetSharedBlob(0, &uncompressedLength, &uncompressed); NS_ENSURE_SUCCESS(rv, rv); size_t compressedLength = snappy::MaxCompressedLength(uncompressedLength); nsAutoArrayPtr compressed(new char[compressedLength]); snappy::RawCompress(reinterpret_cast(uncompressed), uncompressedLength, compressed.get(), &compressedLength); std::pair data(static_cast(compressed.get()), int(compressedLength)); // XXX This copies the buffer again... There doesn't appear to be any way to // preallocate space and write directly to a BlobVariant at the moment. nsCOMPtr result = new mozilla::storage::BlobVariant(data); result.forget(aResult); return NS_OK; } }; NS_IMPL_ISUPPORTS1(CompressDataBlobsFunction, mozIStorageFunction) nsresult UpgradeSchemaFrom8To9_0(mozIStorageConnection* aConnection) { NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); PROFILER_LABEL("IndexedDB", "UpgradeSchemaFrom8To9_0"); // We no longer use the dataVersion column. nsresult rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "UPDATE database SET dataVersion = 0;" )); NS_ENSURE_SUCCESS(rv, rv); nsCOMPtr compressor = new CompressDataBlobsFunction(); NS_NAMED_LITERAL_CSTRING(compressorName, "compress"); rv = aConnection->CreateFunction(compressorName, 1, compressor); NS_ENSURE_SUCCESS(rv, rv); // Turn off foreign key constraints before we do anything here. rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "UPDATE object_data SET data = compress(data);" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "UPDATE ai_object_data SET data = compress(data);" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->RemoveFunction(compressorName); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->SetSchemaVersion(MakeSchemaVersion(9, 0)); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } nsresult UpgradeSchemaFrom9_0To10_0(mozIStorageConnection* aConnection) { NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); PROFILER_LABEL("IndexedDB", "UpgradeSchemaFrom9_0To10_0"); nsresult rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "ALTER TABLE object_data ADD COLUMN file_ids TEXT;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "ALTER TABLE ai_object_data ADD COLUMN file_ids TEXT;" )); NS_ENSURE_SUCCESS(rv, rv); rv = CreateFileTables(aConnection); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->SetSchemaVersion(MakeSchemaVersion(10, 0)); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } nsresult UpgradeSchemaFrom10_0To11_0(mozIStorageConnection* aConnection) { NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); PROFILER_LABEL("IndexedDB", "UpgradeSchemaFrom10_0To11_0"); nsresult rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TEMPORARY TABLE temp_upgrade (" "id, " "object_store_id, " "name, " "key_path, " "unique_index, " "multientry" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO temp_upgrade " "SELECT id, object_store_id, name, key_path, " "unique_index, multientry " "FROM object_store_index;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE object_store_index;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE object_store_index (" "id INTEGER PRIMARY KEY, " "object_store_id INTEGER NOT NULL, " "name TEXT NOT NULL, " "key_path TEXT NOT NULL, " "unique_index INTEGER NOT NULL, " "multientry INTEGER NOT NULL, " "UNIQUE (object_store_id, name), " "FOREIGN KEY (object_store_id) REFERENCES object_store(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO object_store_index " "SELECT id, object_store_id, name, key_path, " "unique_index, multientry " "FROM temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TRIGGER object_data_insert_trigger;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO object_data (object_store_id, key_value, data, file_ids) " "SELECT object_store_id, id, data, file_ids " "FROM ai_object_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TRIGGER object_data_insert_trigger " "AFTER INSERT ON object_data " "FOR EACH ROW " "WHEN NEW.file_ids IS NOT NULL " "BEGIN " "SELECT update_refcount(NULL, NEW.file_ids); " "END;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO index_data (index_id, value, object_data_key, object_data_id) " "SELECT ai_index_data.index_id, ai_index_data.value, ai_index_data.ai_object_data_id, object_data.id " "FROM ai_index_data " "INNER JOIN object_store_index ON " "object_store_index.id = ai_index_data.index_id " "INNER JOIN object_data ON " "object_data.object_store_id = object_store_index.object_store_id AND " "object_data.key_value = ai_index_data.ai_object_data_id;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO unique_index_data (index_id, value, object_data_key, object_data_id) " "SELECT ai_unique_index_data.index_id, ai_unique_index_data.value, ai_unique_index_data.ai_object_data_id, object_data.id " "FROM ai_unique_index_data " "INNER JOIN object_store_index ON " "object_store_index.id = ai_unique_index_data.index_id " "INNER JOIN object_data ON " "object_data.object_store_id = object_store_index.object_store_id AND " "object_data.key_value = ai_unique_index_data.ai_object_data_id;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "UPDATE object_store " "SET auto_increment = (SELECT max(id) FROM ai_object_data) + 1 " "WHERE auto_increment;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE ai_unique_index_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE ai_index_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE ai_object_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->SetSchemaVersion(MakeSchemaVersion(11, 0)); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } class EncodeKeysFunction MOZ_FINAL : public mozIStorageFunction { public: NS_DECL_ISUPPORTS NS_IMETHOD OnFunctionCall(mozIStorageValueArray* aArguments, nsIVariant** aResult) { PROFILER_LABEL("IndexedDB", "EncodeKeysFunction::OnFunctionCall"); uint32_t argc; nsresult rv = aArguments->GetNumEntries(&argc); NS_ENSURE_SUCCESS(rv, rv); if (argc != 1) { NS_WARNING("Don't call me with the wrong number of arguments!"); return NS_ERROR_UNEXPECTED; } int32_t type; rv = aArguments->GetTypeOfIndex(0, &type); NS_ENSURE_SUCCESS(rv, rv); Key key; if (type == mozIStorageStatement::VALUE_TYPE_INTEGER) { int64_t intKey; aArguments->GetInt64(0, &intKey); key.SetFromInteger(intKey); } else if (type == mozIStorageStatement::VALUE_TYPE_TEXT) { nsString stringKey; aArguments->GetString(0, stringKey); key.SetFromString(stringKey); } else { NS_WARNING("Don't call me with the wrong type of arguments!"); return NS_ERROR_UNEXPECTED; } const nsCString& buffer = key.GetBuffer(); std::pair data(static_cast(buffer.get()), int(buffer.Length())); nsCOMPtr result = new mozilla::storage::BlobVariant(data); result.forget(aResult); return NS_OK; } }; NS_IMPL_ISUPPORTS1(EncodeKeysFunction, mozIStorageFunction) nsresult UpgradeSchemaFrom11_0To12_0(mozIStorageConnection* aConnection) { NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); PROFILER_LABEL("IndexedDB", "UpgradeSchemaFrom11_0To12_0"); NS_NAMED_LITERAL_CSTRING(encoderName, "encode"); nsCOMPtr encoder = new EncodeKeysFunction(); nsresult rv = aConnection->CreateFunction(encoderName, 1, encoder); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TEMPORARY TABLE temp_upgrade (" "id INTEGER PRIMARY KEY, " "object_store_id, " "key_value, " "data, " "file_ids " ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO temp_upgrade " "SELECT id, object_store_id, encode(key_value), data, file_ids " "FROM object_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE object_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE object_data (" "id INTEGER PRIMARY KEY, " "object_store_id INTEGER NOT NULL, " "key_value BLOB DEFAULT NULL, " "file_ids TEXT, " "data BLOB NOT NULL, " "UNIQUE (object_store_id, key_value), " "FOREIGN KEY (object_store_id) REFERENCES object_store(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO object_data " "SELECT id, object_store_id, key_value, file_ids, data " "FROM temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TRIGGER object_data_insert_trigger " "AFTER INSERT ON object_data " "FOR EACH ROW " "WHEN NEW.file_ids IS NOT NULL " "BEGIN " "SELECT update_refcount(NULL, NEW.file_ids); " "END;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TRIGGER object_data_update_trigger " "AFTER UPDATE OF file_ids ON object_data " "FOR EACH ROW " "WHEN OLD.file_ids IS NOT NULL OR NEW.file_ids IS NOT NULL " "BEGIN " "SELECT update_refcount(OLD.file_ids, NEW.file_ids); " "END;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TRIGGER object_data_delete_trigger " "AFTER DELETE ON object_data " "FOR EACH ROW WHEN OLD.file_ids IS NOT NULL " "BEGIN " "SELECT update_refcount(OLD.file_ids, NULL); " "END;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TEMPORARY TABLE temp_upgrade (" "index_id, " "value, " "object_data_key, " "object_data_id " ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO temp_upgrade " "SELECT index_id, encode(value), encode(object_data_key), object_data_id " "FROM index_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE index_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE index_data (" "index_id INTEGER NOT NULL, " "value BLOB NOT NULL, " "object_data_key BLOB NOT NULL, " "object_data_id INTEGER NOT NULL, " "PRIMARY KEY (index_id, value, object_data_key), " "FOREIGN KEY (index_id) REFERENCES object_store_index(id) ON DELETE " "CASCADE, " "FOREIGN KEY (object_data_id) REFERENCES object_data(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO index_data " "SELECT index_id, value, object_data_key, object_data_id " "FROM temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE INDEX index_data_object_data_id_index " "ON index_data (object_data_id);" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TEMPORARY TABLE temp_upgrade (" "index_id, " "value, " "object_data_key, " "object_data_id " ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO temp_upgrade " "SELECT index_id, encode(value), encode(object_data_key), object_data_id " "FROM unique_index_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE unique_index_data;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE TABLE unique_index_data (" "index_id INTEGER NOT NULL, " "value BLOB NOT NULL, " "object_data_key BLOB NOT NULL, " "object_data_id INTEGER NOT NULL, " "PRIMARY KEY (index_id, value, object_data_key), " "UNIQUE (index_id, value), " "FOREIGN KEY (index_id) REFERENCES object_store_index(id) ON DELETE " "CASCADE " "FOREIGN KEY (object_data_id) REFERENCES object_data(id) ON DELETE " "CASCADE" ");" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "INSERT INTO unique_index_data " "SELECT index_id, value, object_data_key, object_data_id " "FROM temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "DROP TABLE temp_upgrade;" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( "CREATE INDEX unique_index_data_object_data_id_index " "ON unique_index_data (object_data_id);" )); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->RemoveFunction(encoderName); NS_ENSURE_SUCCESS(rv, rv); rv = aConnection->SetSchemaVersion(MakeSchemaVersion(12, 0)); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } nsresult UpgradeSchemaFrom12_0To13_0(mozIStorageConnection* aConnection, bool* aVacuumNeeded) { NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); PROFILER_LABEL("IndexedDB", "UpgradeSchemaFrom12_0To13_0"); nsresult rv; #if defined(MOZ_WIDGET_ANDROID) || defined(MOZ_WIDGET_GONK) int32_t defaultPageSize; rv = aConnection->GetDefaultPageSize(&defaultPageSize); NS_ENSURE_SUCCESS(rv, rv); // Enable auto_vacuum mode and update the page size to the platform default. nsAutoCString upgradeQuery("PRAGMA auto_vacuum = FULL; PRAGMA page_size = "); upgradeQuery.AppendInt(defaultPageSize); rv = aConnection->ExecuteSimpleSQL(upgradeQuery); NS_ENSURE_SUCCESS(rv, rv); *aVacuumNeeded = true; #endif rv = aConnection->SetSchemaVersion(MakeSchemaVersion(13, 0)); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } nsresult UpgradeSchemaFrom13_0To14_0(mozIStorageConnection* aConnection) { // The only change between 13 and 14 was a different structured // clone format, but it's backwards-compatible. nsresult rv = aConnection->SetSchemaVersion(MakeSchemaVersion(14, 0)); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } class VersionChangeEventsRunnable; class SetVersionHelper : public AsyncConnectionHelper, public IDBTransactionListener, public AcquireListener { friend class VersionChangeEventsRunnable; public: SetVersionHelper(IDBTransaction* aTransaction, IDBOpenDBRequest* aRequest, OpenDatabaseHelper* aHelper, uint64_t aRequestedVersion, uint64_t aCurrentVersion) : AsyncConnectionHelper(aTransaction, aRequest), mOpenRequest(aRequest), mOpenHelper(aHelper), mRequestedVersion(aRequestedVersion), mCurrentVersion(aCurrentVersion) { mTransaction->SetTransactionListener(this); } NS_DECL_ISUPPORTS_INHERITED virtual nsresult GetSuccessResult(JSContext* aCx, jsval* aVal) MOZ_OVERRIDE; virtual nsresult OnExclusiveAccessAcquired() MOZ_OVERRIDE; protected: virtual nsresult Init() MOZ_OVERRIDE; virtual nsresult DoDatabaseWork(mozIStorageConnection* aConnection) MOZ_OVERRIDE; // SetVersionHelper never fires an error event at the request. It hands that // responsibility back to the OpenDatabaseHelper virtual void OnError() MOZ_OVERRIDE { } // Need an upgradeneeded event here. virtual already_AddRefed CreateSuccessEvent( mozilla::dom::EventTarget* aOwner) MOZ_OVERRIDE; virtual nsresult NotifyTransactionPreComplete(IDBTransaction* aTransaction) MOZ_OVERRIDE; virtual nsresult NotifyTransactionPostComplete(IDBTransaction* aTransaction) MOZ_OVERRIDE; virtual ChildProcessSendResult SendResponseToChildProcess(nsresult aResultCode) MOZ_OVERRIDE { return Success_NotSent; } virtual nsresult UnpackResponseFromParentProcess( const ResponseValue& aResponseValue) MOZ_OVERRIDE { MOZ_NOT_REACHED("Should never get here!"); return NS_ERROR_UNEXPECTED; } uint64_t RequestedVersion() const { return mRequestedVersion; } private: // In-params nsRefPtr mOpenRequest; nsRefPtr mOpenHelper; uint64_t mRequestedVersion; uint64_t mCurrentVersion; }; class DeleteDatabaseHelper : public AsyncConnectionHelper, public AcquireListener { friend class VersionChangeEventsRunnable; public: DeleteDatabaseHelper(IDBOpenDBRequest* aRequest, OpenDatabaseHelper* aHelper, uint64_t aCurrentVersion, const nsAString& aName, const nsACString& aASCIIOrigin) : AsyncConnectionHelper(static_cast(nullptr), aRequest), mOpenHelper(aHelper), mOpenRequest(aRequest), mCurrentVersion(aCurrentVersion), mName(aName), mASCIIOrigin(aASCIIOrigin) { } NS_DECL_ISUPPORTS_INHERITED nsresult GetSuccessResult(JSContext* aCx, jsval* aVal); void ReleaseMainThreadObjects() { mOpenHelper = nullptr; mOpenRequest = nullptr; AsyncConnectionHelper::ReleaseMainThreadObjects(); } virtual nsresult OnExclusiveAccessAcquired() MOZ_OVERRIDE; protected: nsresult DoDatabaseWork(mozIStorageConnection* aConnection); nsresult Init(); // DeleteDatabaseHelper never fires events at the request. It hands that // responsibility back to the OpenDatabaseHelper void OnError() { mOpenHelper->NotifyDeleteFinished(); } nsresult OnSuccess() { return mOpenHelper->NotifyDeleteFinished(); } uint64_t RequestedVersion() const { return 0; } virtual ChildProcessSendResult SendResponseToChildProcess(nsresult aResultCode) MOZ_OVERRIDE { return Success_NotSent; } virtual nsresult UnpackResponseFromParentProcess( const ResponseValue& aResponseValue) MOZ_OVERRIDE { MOZ_NOT_REACHED("Should never get here!"); return NS_ERROR_UNEXPECTED; } private: // In-params nsRefPtr mOpenHelper; nsRefPtr mOpenRequest; uint64_t mCurrentVersion; nsString mName; nsCString mASCIIOrigin; }; // Responsible for firing "versionchange" events at all live and non-closed // databases, and for firing a "blocked" event at the requesting database if any // databases fail to close. class VersionChangeEventsRunnable : public nsRunnable { public: VersionChangeEventsRunnable( IDBDatabase* aRequestingDatabase, IDBOpenDBRequest* aRequest, nsTArray >& aWaitingDatabases, int64_t aOldVersion, int64_t aNewVersion) : mRequestingDatabase(aRequestingDatabase), mRequest(aRequest), mOldVersion(aOldVersion), mNewVersion(aNewVersion) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(aRequestingDatabase, "Null pointer!"); NS_ASSERTION(aRequest, "Null pointer!"); mWaitingDatabases.SwapElements(aWaitingDatabases); } NS_IMETHOD Run() { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); PROFILER_MAIN_THREAD_LABEL("IndexedDB", "VersionChangeEventsRunnable::Run"); // Fire version change events at all of the databases that are not already // closed. Also kick bfcached documents out of bfcache. uint32_t count = mWaitingDatabases.Length(); for (uint32_t index = 0; index < count; index++) { IDBDatabase* database = IDBDatabase::FromStorage(mWaitingDatabases[index]); NS_ASSERTION(database, "This shouldn't be null!"); if (database->IsClosed()) { continue; } // First check if the document the IDBDatabase is part of is bfcached. nsCOMPtr ownerDoc = database->GetOwnerDocument(); nsIBFCacheEntry* bfCacheEntry; if (ownerDoc && (bfCacheEntry = ownerDoc->GetBFCacheEntry())) { bfCacheEntry->RemoveFromBFCacheSync(); NS_ASSERTION(database->IsClosed(), "Kicking doc out of bfcache should have closed database"); continue; } // Next check if it's in the process of being bfcached. nsPIDOMWindow* owner = database->GetOwner(); if (owner && owner->IsFrozen()) { // We can't kick the document out of the bfcache because it's not yet // fully in the bfcache. Instead we'll abort everything for the window // and mark it as not-bfcacheable. QuotaManager* quotaManager = QuotaManager::Get(); NS_ASSERTION(quotaManager, "Huh?"); quotaManager->AbortCloseStoragesForWindow(owner); NS_ASSERTION(database->IsClosed(), "AbortCloseStoragesForWindow should have closed database"); ownerDoc->DisallowBFCaching(); continue; } // Otherwise fire a versionchange event. nsRefPtr event = IDBVersionChangeEvent::Create(database, mOldVersion, mNewVersion); NS_ENSURE_TRUE(event, NS_ERROR_FAILURE); bool dummy; database->DispatchEvent(event, &dummy); } // Now check to see if any didn't close. If there are some running still // then fire the blocked event. for (uint32_t index = 0; index < count; index++) { if (!mWaitingDatabases[index]->IsClosed()) { nsRefPtr event = IDBVersionChangeEvent::CreateBlocked(mRequest, mOldVersion, mNewVersion); NS_ENSURE_TRUE(event, NS_ERROR_FAILURE); bool dummy; mRequest->DispatchEvent(event, &dummy); break; } } return NS_OK; } template static void QueueVersionChange(nsTArray >& aDatabases, void* aClosure); private: nsRefPtr mRequestingDatabase; nsRefPtr mRequest; nsTArray > mWaitingDatabases; int64_t mOldVersion; int64_t mNewVersion; }; } // anonymous namespace NS_IMPL_THREADSAFE_ISUPPORTS1(OpenDatabaseHelper, nsIRunnable) nsresult OpenDatabaseHelper::Init() { mDatabaseId = QuotaManager::GetStorageId(mASCIIOrigin, mName); NS_ENSURE_TRUE(mDatabaseId, NS_ERROR_FAILURE); return NS_OK; } nsresult OpenDatabaseHelper::Dispatch(nsIEventTarget* aTarget) { NS_ASSERTION(mState == eCreated, "We've already been dispatched?"); mState = eDBWork; return aTarget->Dispatch(this, NS_DISPATCH_NORMAL); } nsresult OpenDatabaseHelper::RunImmediately() { NS_ASSERTION(mState == eCreated, "We've already been dispatched?"); NS_ASSERTION(NS_FAILED(mResultCode), "Should only be short-circuiting if we failed!"); NS_ASSERTION(NS_IsMainThread(), "All hell is about to break lose!"); mState = eFiringEvents; return this->Run(); } nsresult OpenDatabaseHelper::DoDatabaseWork() { #ifdef DEBUG { bool correctThread; NS_ASSERTION(NS_SUCCEEDED(QuotaManager::Get()->IOThread()-> IsOnCurrentThread(&correctThread)) && correctThread, "Running on the wrong thread!"); } #endif NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); PROFILER_LABEL("IndexedDB", "OpenDatabaseHelper::DoDatabaseWork"); mState = eFiringEvents; // In case we fail somewhere along the line. if (QuotaManager::IsShuttingDown()) { return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR; } NS_ASSERTION(mOpenDBRequest, "This should never be null!"); // This will be null for non-window contexts. nsPIDOMWindow* window = mOpenDBRequest->GetOwner(); AutoEnterWindow autoWindow(window); nsCOMPtr dbDirectory; QuotaManager* quotaManager = QuotaManager::Get(); NS_ASSERTION(quotaManager, "This should never be null!"); nsresult rv = quotaManager->EnsureOriginIsInitialized(mASCIIOrigin, mTrackingQuota, getter_AddRefs(dbDirectory)); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = dbDirectory->Append(NS_LITERAL_STRING(IDB_DIRECTORY_NAME)); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); bool exists; rv = dbDirectory->Exists(&exists); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (!exists) { rv = dbDirectory->Create(nsIFile::DIRECTORY_TYPE, 0755); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); } #ifdef DEBUG else { bool isDirectory; NS_ASSERTION(NS_SUCCEEDED(dbDirectory->IsDirectory(&isDirectory)) && isDirectory, "Should have caught this earlier!"); } #endif nsAutoString filename; rv = GetDatabaseFilename(mName, filename); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsCOMPtr dbFile; rv = dbDirectory->Clone(getter_AddRefs(dbFile)); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = dbFile->Append(filename + NS_LITERAL_STRING(".sqlite")); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = dbFile->GetPath(mDatabaseFilePath); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsCOMPtr fmDirectory; rv = dbDirectory->Clone(getter_AddRefs(fmDirectory)); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = fmDirectory->Append(filename); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsCOMPtr connection; rv = CreateDatabaseConnection(dbFile, fmDirectory, mName, mASCIIOrigin, getter_AddRefs(connection)); if (NS_FAILED(rv) && NS_ERROR_GET_MODULE(rv) != NS_ERROR_MODULE_DOM_INDEXEDDB) { rv = NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR; } NS_ENSURE_SUCCESS(rv, rv); rv = IDBFactory::LoadDatabaseInformation(connection, mDatabaseId, &mCurrentVersion, mObjectStores); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (mForDeletion) { mState = eDeletePending; return NS_OK; } for (uint32_t i = 0; i < mObjectStores.Length(); i++) { nsRefPtr& objectStoreInfo = mObjectStores[i]; for (uint32_t j = 0; j < objectStoreInfo->indexes.Length(); j++) { IndexInfo& indexInfo = objectStoreInfo->indexes[j]; mLastIndexId = std::max(indexInfo.id, mLastIndexId); } mLastObjectStoreId = std::max(objectStoreInfo->id, mLastObjectStoreId); } // See if we need to do a VERSION_CHANGE transaction // Optional version semantics. if (!mRequestedVersion) { // If the requested version was not specified and the database was created, // treat it as if version 1 were requested. if (mCurrentVersion == 0) { mRequestedVersion = 1; } else { // Otherwise, treat it as if the current version were requested. mRequestedVersion = mCurrentVersion; } } if (mCurrentVersion > mRequestedVersion) { return NS_ERROR_DOM_INDEXEDDB_VERSION_ERR; } if (mCurrentVersion != mRequestedVersion) { mState = eSetVersionPending; } IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get(); NS_ASSERTION(mgr, "This should never be null!"); nsRefPtr fileManager = mgr->GetFileManager(mASCIIOrigin, mName); if (!fileManager) { fileManager = new FileManager(mASCIIOrigin, mPrivilege, mName); rv = fileManager->Init(fmDirectory, connection); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); mgr->AddFileManager(fileManager); } mFileManager = fileManager.forget(); return NS_OK; } // static nsresult OpenDatabaseHelper::CreateDatabaseConnection( nsIFile* aDBFile, nsIFile* aFMDirectory, const nsAString& aName, const nsACString& aOrigin, mozIStorageConnection** aConnection) { NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); PROFILER_LABEL("IndexedDB", "OpenDatabaseHelper::CreateDatabaseConnection"); nsresult rv; bool exists; if (IndexedDatabaseManager::InLowDiskSpaceMode()) { rv = aDBFile->Exists(&exists); NS_ENSURE_SUCCESS(rv, rv); if (!exists) { NS_WARNING("Refusing to create database because disk space is low!"); return NS_ERROR_DOM_INDEXEDDB_QUOTA_ERR; } } nsCOMPtr dbFileUrl = IDBFactory::GetDatabaseFileURL(aDBFile, aOrigin); NS_ENSURE_TRUE(dbFileUrl, NS_ERROR_FAILURE); nsCOMPtr ss = do_GetService(MOZ_STORAGE_SERVICE_CONTRACTID); NS_ENSURE_TRUE(ss, NS_ERROR_FAILURE); nsCOMPtr connection; rv = ss->OpenDatabaseWithFileURL(dbFileUrl, getter_AddRefs(connection)); if (rv == NS_ERROR_FILE_CORRUPTED) { // If we're just opening the database during origin initialization, then // we don't want to erase any files. The failure here will fail origin // initialization too. if (aName.IsVoid()) { return rv; } // Nuke the database file. The web services can recreate their data. rv = aDBFile->Remove(false); NS_ENSURE_SUCCESS(rv, rv); rv = aFMDirectory->Exists(&exists); NS_ENSURE_SUCCESS(rv, rv); if (exists) { bool isDirectory; rv = aFMDirectory->IsDirectory(&isDirectory); NS_ENSURE_SUCCESS(rv, rv); NS_ENSURE_TRUE(isDirectory, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = aFMDirectory->Remove(true); NS_ENSURE_SUCCESS(rv, rv); } rv = ss->OpenDatabaseWithFileURL(dbFileUrl, getter_AddRefs(connection)); } NS_ENSURE_SUCCESS(rv, rv); rv = IDBFactory::SetDefaultPragmas(connection); NS_ENSURE_SUCCESS(rv, rv); rv = connection->EnableModule(NS_LITERAL_CSTRING("filesystem")); NS_ENSURE_SUCCESS(rv, rv); // Check to make sure that the database schema is correct. int32_t schemaVersion; rv = connection->GetSchemaVersion(&schemaVersion); NS_ENSURE_SUCCESS(rv, rv); // Unknown schema will fail origin initialization too if (!schemaVersion && aName.IsVoid()) { NS_WARNING("Unable to open IndexedDB database, schema is not set!"); return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR; } if (schemaVersion > kSQLiteSchemaVersion) { NS_WARNING("Unable to open IndexedDB database, schema is too high!"); return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR; } bool vacuumNeeded = false; if (schemaVersion != kSQLiteSchemaVersion) { #if defined(MOZ_WIDGET_ANDROID) || defined(MOZ_WIDGET_GONK) if (!schemaVersion) { // Have to do this before opening a transaction. rv = connection->ExecuteSimpleSQL(NS_LITERAL_CSTRING( // Turn on auto_vacuum mode to reclaim disk space on mobile devices. "PRAGMA auto_vacuum = FULL; " )); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); } #endif mozStorageTransaction transaction(connection, false, mozIStorageConnection::TRANSACTION_IMMEDIATE); if (!schemaVersion) { // Brand new file, initialize our tables. rv = CreateTables(connection); NS_ENSURE_SUCCESS(rv, rv); NS_ASSERTION(NS_SUCCEEDED(connection->GetSchemaVersion(&schemaVersion)) && schemaVersion == kSQLiteSchemaVersion, "CreateTables set a bad schema version!"); nsCOMPtr stmt; nsresult rv = connection->CreateStatement(NS_LITERAL_CSTRING( "INSERT INTO database (name) " "VALUES (:name)" ), getter_AddRefs(stmt)); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = stmt->BindStringByName(NS_LITERAL_CSTRING("name"), aName); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = stmt->Execute(); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); } else { // This logic needs to change next time we change the schema! MOZ_STATIC_ASSERT(kSQLiteSchemaVersion == int32_t((14 << 4) + 0), "Need upgrade code from schema version increase."); while (schemaVersion != kSQLiteSchemaVersion) { if (schemaVersion == 4) { rv = UpgradeSchemaFrom4To5(connection); } else if (schemaVersion == 5) { rv = UpgradeSchemaFrom5To6(connection); } else if (schemaVersion == 6) { rv = UpgradeSchemaFrom6To7(connection); } else if (schemaVersion == 7) { rv = UpgradeSchemaFrom7To8(connection); } else if (schemaVersion == 8) { rv = UpgradeSchemaFrom8To9_0(connection); vacuumNeeded = true; } else if (schemaVersion == MakeSchemaVersion(9, 0)) { rv = UpgradeSchemaFrom9_0To10_0(connection); } else if (schemaVersion == MakeSchemaVersion(10, 0)) { rv = UpgradeSchemaFrom10_0To11_0(connection); } else if (schemaVersion == MakeSchemaVersion(11, 0)) { rv = UpgradeSchemaFrom11_0To12_0(connection); } else if (schemaVersion == MakeSchemaVersion(12, 0)) { rv = UpgradeSchemaFrom12_0To13_0(connection, &vacuumNeeded); } else if (schemaVersion == MakeSchemaVersion(13, 0)) { rv = UpgradeSchemaFrom13_0To14_0(connection); } else { NS_WARNING("Unable to open IndexedDB database, no upgrade path is " "available!"); return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR; } NS_ENSURE_SUCCESS(rv, rv); rv = connection->GetSchemaVersion(&schemaVersion); NS_ENSURE_SUCCESS(rv, rv); } NS_ASSERTION(schemaVersion == kSQLiteSchemaVersion, "Huh?!"); } rv = transaction.Commit(); if (rv == NS_ERROR_FILE_NO_DEVICE_SPACE) { // mozstorage translates SQLITE_FULL to NS_ERROR_FILE_NO_DEVICE_SPACE, // which we know better as NS_ERROR_DOM_INDEXEDDB_QUOTA_ERR. rv = NS_ERROR_DOM_INDEXEDDB_QUOTA_ERR; } NS_ENSURE_SUCCESS(rv, rv); } if (vacuumNeeded) { rv = connection->ExecuteSimpleSQL(NS_LITERAL_CSTRING("VACUUM;")); NS_ENSURE_SUCCESS(rv, rv); } connection.forget(aConnection); return NS_OK; } nsresult OpenDatabaseHelper::StartSetVersion() { NS_ASSERTION(mState == eSetVersionPending, "Why are we here?"); // In case we fail, fire error events mState = eFiringEvents; nsresult rv = EnsureSuccessResult(); NS_ENSURE_SUCCESS(rv, rv); nsTArray storesToOpen; nsRefPtr transaction = IDBTransaction::Create(mDatabase, storesToOpen, IDBTransaction::VERSION_CHANGE, true); NS_ENSURE_TRUE(transaction, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsRefPtr helper = new SetVersionHelper(transaction, mOpenDBRequest, this, mRequestedVersion, mCurrentVersion); QuotaManager* quotaManager = QuotaManager::Get(); NS_ASSERTION(quotaManager, "This should never be null!"); rv = quotaManager->AcquireExclusiveAccess( mDatabase, mDatabase->Origin(), helper, &VersionChangeEventsRunnable::QueueVersionChange, helper); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); // The SetVersionHelper is responsible for dispatching us back to the // main thread again and changing the state to eSetVersionCompleted. mState = eSetVersionPending; return NS_OK; } nsresult OpenDatabaseHelper::StartDelete() { NS_ASSERTION(mState == eDeletePending, "Why are we here?"); // In case we fail, fire error events mState = eFiringEvents; nsresult rv = EnsureSuccessResult(); NS_ENSURE_SUCCESS(rv, rv); nsRefPtr helper = new DeleteDatabaseHelper(mOpenDBRequest, this, mCurrentVersion, mName, mASCIIOrigin); QuotaManager* quotaManager = QuotaManager::Get(); NS_ASSERTION(quotaManager, "This should never be null!"); rv = quotaManager->AcquireExclusiveAccess( mDatabase, mDatabase->Origin(), helper, &VersionChangeEventsRunnable::QueueVersionChange, helper); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); // The DeleteDatabaseHelper is responsible for dispatching us back to the // main thread again and changing the state to eDeleteCompleted. mState = eDeletePending; return NS_OK; } NS_IMETHODIMP OpenDatabaseHelper::Run() { NS_ASSERTION(mState != eCreated, "Dispatch was not called?!?"); if (NS_IsMainThread()) { PROFILER_MAIN_THREAD_LABEL("IndexedDB", "OpenDatabaseHelper::Run"); // If we need to queue up a SetVersionHelper, do that here. if (mState == eSetVersionPending) { nsresult rv = StartSetVersion(); if (NS_SUCCEEDED(rv)) { return rv; } SetError(rv); // fall through and run the default error processing } else if (mState == eDeletePending) { nsresult rv = StartDelete(); if (NS_SUCCEEDED(rv)) { return rv; } SetError(rv); // fall through and run the default error processing } // We've done whatever work we need to do on the DB thread, and any // SetVersion/DeleteDatabase stuff is done by now. NS_ASSERTION(mState == eFiringEvents || mState == eSetVersionCompleted || mState == eDeleteCompleted, "Why are we here?"); switch (mState) { case eSetVersionCompleted: { mState = eFiringEvents; break; } case eDeleteCompleted: { // Destroy the database now (we should have the only ref). mDatabase = nullptr; DatabaseInfo::Remove(mDatabaseId); IndexedDatabaseManager* mgr = IndexedDatabaseManager::Get(); NS_ASSERTION(mgr, "This should never fail!"); mgr->InvalidateFileManager(mASCIIOrigin, mName); mState = eFiringEvents; break; } case eFiringEvents: { // Notify the request that we're done, but only if we didn't just // finish a [SetVersion/DeleteDatabase]Helper. In that case, the // helper tells the request that it is done, and we avoid calling // NotifyHelperCompleted twice. nsresult rv = mOpenDBRequest->NotifyHelperCompleted(this); if (NS_SUCCEEDED(mResultCode) && NS_FAILED(rv)) { mResultCode = rv; } break; } default: NS_NOTREACHED("Shouldn't get here!"); } NS_ASSERTION(mState == eFiringEvents, "Why are we here?"); IDB_PROFILER_MARK("IndexedDB Request %llu: Running main thread " "response (rv = %lu)", "IDBRequest[%llu] MT Done", mRequest->GetSerialNumber(), mResultCode); if (NS_FAILED(mResultCode)) { DispatchErrorEvent(); } else { DispatchSuccessEvent(); } QuotaManager* quotaManager = QuotaManager::Get(); NS_ASSERTION(quotaManager, "This should never be null!"); quotaManager->AllowNextSynchronizedOp( OriginOrPatternString::FromOrigin(mASCIIOrigin), mDatabaseId); ReleaseMainThreadObjects(); return NS_OK; } PROFILER_LABEL("IndexedDB", "OpenDatabaseHelper::Run"); // We're on the DB thread. NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); IDB_PROFILER_MARK("IndexedDB Request %llu: Beginning database work", "IDBRequest[%llu] DT Start", mRequest->GetSerialNumber()); NS_ASSERTION(mState == eDBWork, "Why are we here?"); mResultCode = DoDatabaseWork(); NS_ASSERTION(mState != eDBWork, "We should be doing something else now."); IDB_PROFILER_MARK("IndexedDB Request %llu: Finished database work (rv = %lu)", "IDBRequest[%llu] DT Done", mRequest->GetSerialNumber(), mResultCode); return NS_DispatchToMainThread(this, NS_DISPATCH_NORMAL); } nsresult OpenDatabaseHelper::EnsureSuccessResult() { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); PROFILER_MAIN_THREAD_LABEL("IndexedDB", "OpenDatabaseHelper::EnsureSuccessResult"); nsRefPtr dbInfo; if (DatabaseInfo::Get(mDatabaseId, getter_AddRefs(dbInfo))) { #ifdef DEBUG { NS_ASSERTION(dbInfo->name == mName && dbInfo->version == mCurrentVersion && dbInfo->id == mDatabaseId && dbInfo->filePath == mDatabaseFilePath, "Metadata mismatch!"); uint32_t objectStoreCount = mObjectStores.Length(); for (uint32_t index = 0; index < objectStoreCount; index++) { nsRefPtr& info = mObjectStores[index]; ObjectStoreInfo* otherInfo = dbInfo->GetObjectStore(info->name); NS_ASSERTION(otherInfo, "ObjectStore not known!"); NS_ASSERTION(info->name == otherInfo->name && info->id == otherInfo->id && info->keyPath == otherInfo->keyPath, "Metadata mismatch!"); NS_ASSERTION(dbInfo->ContainsStoreName(info->name), "Object store names out of date!"); NS_ASSERTION(info->indexes.Length() == otherInfo->indexes.Length(), "Bad index length!"); uint32_t indexCount = info->indexes.Length(); for (uint32_t indexIndex = 0; indexIndex < indexCount; indexIndex++) { const IndexInfo& indexInfo = info->indexes[indexIndex]; const IndexInfo& otherIndexInfo = otherInfo->indexes[indexIndex]; NS_ASSERTION(indexInfo.id == otherIndexInfo.id, "Bad index id!"); NS_ASSERTION(indexInfo.name == otherIndexInfo.name, "Bad index name!"); NS_ASSERTION(indexInfo.keyPath == otherIndexInfo.keyPath, "Bad index keyPath!"); NS_ASSERTION(indexInfo.unique == otherIndexInfo.unique, "Bad index unique value!"); } } } #endif } else { nsRefPtr newInfo(new DatabaseInfo()); newInfo->name = mName; newInfo->origin = mASCIIOrigin; newInfo->id = mDatabaseId; newInfo->filePath = mDatabaseFilePath; if (!DatabaseInfo::Put(newInfo)) { NS_ERROR("Failed to add to hash!"); return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR; } newInfo.swap(dbInfo); nsresult rv = IDBFactory::SetDatabaseMetadata(dbInfo, mCurrentVersion, mObjectStores); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); NS_ASSERTION(mObjectStores.IsEmpty(), "Should have swapped!"); } dbInfo->nextObjectStoreId = mLastObjectStoreId + 1; dbInfo->nextIndexId = mLastIndexId + 1; nsRefPtr database = IDBDatabase::Create(mOpenDBRequest, mOpenDBRequest->Factory(), dbInfo.forget(), mASCIIOrigin, mFileManager, mContentParent); if (!database) { return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR; } NS_ASSERTION(!mDatabase, "Shouldn't have a database yet!"); mDatabase.swap(database); return NS_OK; } nsresult OpenDatabaseHelper::GetSuccessResult(JSContext* aCx, jsval* aVal) { // Be careful not to load the database twice. if (!mDatabase) { nsresult rv = EnsureSuccessResult(); NS_ENSURE_SUCCESS(rv, rv); } return WrapNative(aCx, NS_ISUPPORTS_CAST(EventTarget*, mDatabase), aVal); } nsresult OpenDatabaseHelper::NotifySetVersionFinished() { NS_ASSERTION(NS_IsMainThread(), "Wrong thread"); NS_ASSERTION(mState = eSetVersionPending, "How did we get here?"); // Allow transaction creation to proceed. mDatabase->ExitSetVersionTransaction(); mState = eSetVersionCompleted; // Dispatch ourself back to the main thread return NS_DispatchToCurrentThread(this); } nsresult OpenDatabaseHelper::NotifyDeleteFinished() { NS_ASSERTION(NS_IsMainThread(), "Wrong thread"); NS_ASSERTION(mState == eDeletePending, "How did we get here?"); mState = eDeleteCompleted; // Dispatch ourself back to the main thread return NS_DispatchToCurrentThread(this); } void OpenDatabaseHelper::BlockDatabase() { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(mDatabase, "This is going bad fast."); mDatabase->EnterSetVersionTransaction(); } void OpenDatabaseHelper::DispatchSuccessEvent() { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); PROFILER_MAIN_THREAD_LABEL("IndexedDB", "OpenDatabaseHelper::DispatchSuccessEvent"); nsRefPtr event = CreateGenericEvent(mOpenDBRequest, NS_LITERAL_STRING(SUCCESS_EVT_STR), eDoesNotBubble, eNotCancelable); if (!event) { NS_ERROR("Failed to create event!"); return; } bool dummy; mOpenDBRequest->DispatchEvent(event, &dummy); } void OpenDatabaseHelper::DispatchErrorEvent() { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); PROFILER_MAIN_THREAD_LABEL("IndexedDB", "OpenDatabaseHelper::DispatchErrorEvent"); nsRefPtr event = CreateGenericEvent(mOpenDBRequest, NS_LITERAL_STRING(ERROR_EVT_STR), eDoesBubble, eCancelable); if (!event) { NS_ERROR("Failed to create event!"); return; } ErrorResult rv; nsRefPtr error = mOpenDBRequest->GetError(rv); NS_ASSERTION(!rv.Failed(), "This shouldn't be failing at this point!"); if (!error) { mOpenDBRequest->SetError(mResultCode); } bool dummy; mOpenDBRequest->DispatchEvent(event, &dummy); } void OpenDatabaseHelper::ReleaseMainThreadObjects() { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); mOpenDBRequest = nullptr; mDatabase = nullptr; mDatabaseId = nullptr; HelperBase::ReleaseMainThreadObjects(); } NS_IMPL_ISUPPORTS_INHERITED0(SetVersionHelper, AsyncConnectionHelper) nsresult SetVersionHelper::Init() { // Block transaction creation until we are done. mOpenHelper->BlockDatabase(); return NS_OK; } nsresult SetVersionHelper::DoDatabaseWork(mozIStorageConnection* aConnection) { NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); NS_ASSERTION(aConnection, "Passing a null connection!"); PROFILER_LABEL("IndexedDB", "SetVersionHelper::DoDatabaseWork"); nsCOMPtr stmt; nsresult rv = aConnection->CreateStatement(NS_LITERAL_CSTRING( "UPDATE database " "SET version = :version" ), getter_AddRefs(stmt)); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = stmt->BindInt64ByName(NS_LITERAL_CSTRING("version"), mRequestedVersion); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (NS_FAILED(stmt->Execute())) { return NS_ERROR_DOM_INDEXEDDB_CONSTRAINT_ERR; } return NS_OK; } nsresult SetVersionHelper::GetSuccessResult(JSContext* aCx, jsval* aVal) { DatabaseInfo* info = mDatabase->Info(); info->version = mRequestedVersion; NS_ASSERTION(mTransaction, "Better have a transaction!"); mOpenRequest->SetTransaction(mTransaction); return WrapNative(aCx, NS_ISUPPORTS_CAST(EventTarget*, mDatabase), aVal); } nsresult SetVersionHelper::OnExclusiveAccessAcquired() { nsresult rv = DispatchToTransactionPool(); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } // static template void VersionChangeEventsRunnable::QueueVersionChange( nsTArray >& aDatabases, void* aClosure) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(!aDatabases.IsEmpty(), "Why are we here?"); T* closure = static_cast(aClosure); nsRefPtr eventsRunnable = new VersionChangeEventsRunnable(closure->mOpenHelper->Database(), closure->mOpenRequest, aDatabases, closure->mCurrentVersion, closure->RequestedVersion()); NS_DispatchToCurrentThread(eventsRunnable); } already_AddRefed SetVersionHelper::CreateSuccessEvent(mozilla::dom::EventTarget* aOwner) { NS_ASSERTION(mCurrentVersion < mRequestedVersion, "Huh?"); return IDBVersionChangeEvent::CreateUpgradeNeeded(aOwner, mCurrentVersion, mRequestedVersion); } nsresult SetVersionHelper::NotifyTransactionPreComplete(IDBTransaction* aTransaction) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(aTransaction, "This is unexpected."); NS_ASSERTION(mOpenRequest, "Why don't we have a request?"); return mOpenHelper->NotifySetVersionFinished(); } nsresult SetVersionHelper::NotifyTransactionPostComplete(IDBTransaction* aTransaction) { NS_ASSERTION(NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(aTransaction, "This is unexpected."); NS_ASSERTION(mOpenRequest, "Why don't we have a request?"); // If we hit an error, the OpenDatabaseHelper needs to get that error too. nsresult rv = GetResultCode(); if (NS_FAILED(rv)) { mOpenHelper->SetError(rv); } // If the transaction was aborted, we should throw an error message. if (aTransaction->IsAborted()) { mOpenHelper->SetError(aTransaction->GetAbortCode()); } mOpenRequest->SetTransaction(nullptr); mOpenRequest = nullptr; mOpenHelper = nullptr; return rv; } NS_IMPL_ISUPPORTS_INHERITED0(DeleteDatabaseHelper, AsyncConnectionHelper); nsresult DeleteDatabaseHelper::DoDatabaseWork(mozIStorageConnection* aConnection) { NS_ASSERTION(!NS_IsMainThread(), "Wrong thread!"); NS_ASSERTION(IndexedDatabaseManager::IsMainProcess(), "Wrong process!"); NS_ASSERTION(!aConnection, "How did we get a connection here?"); PROFILER_LABEL("IndexedDB", "DeleteDatabaseHelper::DoDatabaseWork"); const StoragePrivilege& privilege = mOpenHelper->Privilege(); QuotaManager* quotaManager = QuotaManager::Get(); NS_ASSERTION(quotaManager, "This should never fail!"); nsCOMPtr directory; nsresult rv = quotaManager->GetDirectoryForOrigin(mASCIIOrigin, getter_AddRefs(directory)); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); NS_ASSERTION(directory, "What?"); rv = directory->Append(NS_LITERAL_STRING(IDB_DIRECTORY_NAME)); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsAutoString filename; rv = GetDatabaseFilename(mName, filename); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); nsCOMPtr dbFile; rv = directory->Clone(getter_AddRefs(dbFile)); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = dbFile->Append(filename + NS_LITERAL_STRING(".sqlite")); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); bool exists = false; rv = dbFile->Exists(&exists); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (exists) { int64_t fileSize; if (privilege != Chrome) { rv = dbFile->GetFileSize(&fileSize); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); } rv = dbFile->Remove(false); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (privilege != Chrome) { QuotaManager* quotaManager = QuotaManager::Get(); NS_ASSERTION(quotaManager, "Shouldn't be null!"); quotaManager->DecreaseUsageForOrigin(mASCIIOrigin, fileSize); } } nsCOMPtr dbJournalFile; rv = directory->Clone(getter_AddRefs(dbJournalFile)); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = dbJournalFile->Append(filename + NS_LITERAL_STRING(".sqlite-journal")); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = dbJournalFile->Exists(&exists); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (exists) { rv = dbJournalFile->Remove(false); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); } nsCOMPtr fmDirectory; rv = directory->Clone(getter_AddRefs(fmDirectory)); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = fmDirectory->Append(filename); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); rv = fmDirectory->Exists(&exists); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (exists) { bool isDirectory; rv = fmDirectory->IsDirectory(&isDirectory); NS_ENSURE_SUCCESS(rv, rv); NS_ENSURE_TRUE(isDirectory, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); uint64_t usage = 0; if (privilege != Chrome) { rv = FileManager::GetUsage(fmDirectory, &usage); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); } rv = fmDirectory->Remove(true); NS_ENSURE_SUCCESS(rv, NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR); if (privilege != Chrome) { QuotaManager* quotaManager = QuotaManager::Get(); NS_ASSERTION(quotaManager, "Shouldn't be null!"); quotaManager->DecreaseUsageForOrigin(mASCIIOrigin, usage); } } return NS_OK; } nsresult DeleteDatabaseHelper::GetSuccessResult(JSContext* aCx, jsval* aVal) { return NS_OK; } nsresult DeleteDatabaseHelper::OnExclusiveAccessAcquired() { QuotaManager* quotaManager = QuotaManager::Get(); NS_ASSERTION(quotaManager, "We should definitely have a manager here"); nsresult rv = Dispatch(quotaManager->IOThread()); NS_ENSURE_SUCCESS(rv, rv); return NS_OK; } nsresult DeleteDatabaseHelper::Init() { // Note that there's no need to block the database here, since the page // never gets to touch it, and all other databases must be closed. return NS_OK; }