| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "modules/indexeddb/IDBObjectStore.h" |
| |
| #include "bindings/core/v8/ExceptionState.h" |
| #include "bindings/core/v8/ExceptionStatePlaceholder.h" |
| #include "bindings/core/v8/ScriptState.h" |
| #include "bindings/core/v8/SerializedScriptValueFactory.h" |
| #include "bindings/modules/v8/ToV8ForModules.h" |
| #include "bindings/modules/v8/V8BindingForModules.h" |
| #include "core/dom/DOMStringList.h" |
| #include "core/dom/ExceptionCode.h" |
| #include "core/dom/ExecutionContext.h" |
| #include "modules/indexeddb/IDBAny.h" |
| #include "modules/indexeddb/IDBCursorWithValue.h" |
| #include "modules/indexeddb/IDBDatabase.h" |
| #include "modules/indexeddb/IDBKeyPath.h" |
| #include "modules/indexeddb/IDBTracing.h" |
| #include "modules/indexeddb/WebIDBCallbacksImpl.h" |
| #include "platform/SharedBuffer.h" |
| #include "public/platform/WebBlobInfo.h" |
| #include "public/platform/WebData.h" |
| #include "public/platform/WebVector.h" |
| #include "public/platform/modules/indexeddb/WebIDBKey.h" |
| #include "public/platform/modules/indexeddb/WebIDBKeyRange.h" |
| #include <memory> |
| #include <v8.h> |
| |
| using blink::WebBlobInfo; |
| using blink::WebIDBCallbacks; |
| using blink::WebIDBCursor; |
| using blink::WebIDBDatabase; |
| using blink::WebVector; |
| |
| namespace blink { |
| |
| namespace { |
| |
| using IndexKeys = HeapVector<Member<IDBKey>>; |
| } |
| |
| IDBObjectStore::IDBObjectStore(const IDBObjectStoreMetadata& metadata, |
| IDBTransaction* transaction) |
| : m_metadata(metadata), m_transaction(transaction) { |
| DCHECK(m_transaction); |
| } |
| |
| DEFINE_TRACE(IDBObjectStore) { |
| visitor->trace(m_transaction); |
| visitor->trace(m_indexMap); |
| visitor->trace(m_createdIndexes); |
| } |
| |
| void IDBObjectStore::setName(const String& name, |
| ExceptionState& exceptionState) { |
| if (!RuntimeEnabledFeatures::indexedDBExperimentalEnabled()) |
| return; |
| |
| IDB_TRACE("IDBObjectStore::setName"); |
| if (!m_transaction->isVersionChange()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, |
| IDBDatabase::notVersionChangeTransactionErrorMessage); |
| return; |
| } |
| if (isDeleted()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return; |
| } |
| |
| if (this->name() == name) |
| return; |
| if (m_transaction->db()->containsObjectStore(name)) { |
| exceptionState.throwDOMException( |
| ConstraintError, IDBDatabase::objectStoreNameTakenErrorMessage); |
| return; |
| } |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return; |
| } |
| |
| backendDB()->renameObjectStore(m_transaction->id(), id(), name); |
| m_transaction->objectStoreRenamed(m_metadata.name, name); |
| m_metadata.name = name; |
| |
| // The name inside the database's version of the object store metadata is used |
| // by IDBDatabase.objectStoreNames(). If the transaction is aborted, this |
| // name will be reverted when the metadata is overwritten with the |
| // previousMetadata in IDBTransaction. |
| m_transaction->db()->objectStoreRenamed(id(), name); |
| } |
| |
| ScriptValue IDBObjectStore::keyPath(ScriptState* scriptState) const { |
| return ScriptValue::from(scriptState, metadata().keyPath); |
| } |
| |
| DOMStringList* IDBObjectStore::indexNames() const { |
| IDB_TRACE("IDBObjectStore::indexNames"); |
| DOMStringList* indexNames = DOMStringList::create(DOMStringList::IndexedDB); |
| for (const auto& it : metadata().indexes) |
| indexNames->append(it.value.name); |
| indexNames->sort(); |
| return indexNames; |
| } |
| |
| IDBRequest* IDBObjectStore::get(ScriptState* scriptState, |
| const ScriptValue& key, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBObjectStore::get"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue( |
| scriptState->getExecutionContext(), key, exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| if (!keyRange) { |
| exceptionState.throwDOMException(DataError, |
| IDBDatabase::noKeyOrKeyRangeErrorMessage); |
| return nullptr; |
| } |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), |
| m_transaction.get()); |
| backendDB()->get(m_transaction->id(), id(), IDBIndexMetadata::InvalidId, |
| keyRange, false /* keyOnly */, |
| WebIDBCallbacksImpl::create(request).release()); |
| return request; |
| } |
| |
| IDBRequest* IDBObjectStore::getKey(ScriptState* scriptState, |
| const ScriptValue& key, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBObjectStore::getKey"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue( |
| scriptState->getExecutionContext(), key, exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| if (!keyRange) { |
| exceptionState.throwDOMException(DataError, |
| IDBDatabase::noKeyOrKeyRangeErrorMessage); |
| return nullptr; |
| } |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), |
| m_transaction.get()); |
| backendDB()->get(m_transaction->id(), id(), IDBIndexMetadata::InvalidId, |
| keyRange, true /* keyOnly */, |
| WebIDBCallbacksImpl::create(request).release()); |
| return request; |
| } |
| |
| IDBRequest* IDBObjectStore::getAll(ScriptState* scriptState, |
| const ScriptValue& keyRange, |
| ExceptionState& exceptionState) { |
| return getAll(scriptState, keyRange, std::numeric_limits<uint32_t>::max(), |
| exceptionState); |
| } |
| |
| IDBRequest* IDBObjectStore::getAll(ScriptState* scriptState, |
| const ScriptValue& keyRange, |
| unsigned long maxCount, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBObjectStore::getAll"); |
| if (!maxCount) |
| maxCount = std::numeric_limits<uint32_t>::max(); |
| |
| if (isDeleted()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| IDBKeyRange* range = IDBKeyRange::fromScriptValue( |
| scriptState->getExecutionContext(), keyRange, exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), |
| m_transaction.get()); |
| backendDB()->getAll(m_transaction->id(), id(), IDBIndexMetadata::InvalidId, |
| range, maxCount, false, |
| WebIDBCallbacksImpl::create(request).release()); |
| return request; |
| } |
| |
| IDBRequest* IDBObjectStore::getAllKeys(ScriptState* scriptState, |
| const ScriptValue& keyRange, |
| ExceptionState& exceptionState) { |
| return getAllKeys(scriptState, keyRange, std::numeric_limits<uint32_t>::max(), |
| exceptionState); |
| } |
| |
| IDBRequest* IDBObjectStore::getAllKeys(ScriptState* scriptState, |
| const ScriptValue& keyRange, |
| unsigned long maxCount, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBObjectStore::getAll"); |
| if (!maxCount) |
| maxCount = std::numeric_limits<uint32_t>::max(); |
| |
| if (isDeleted()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| IDBKeyRange* range = IDBKeyRange::fromScriptValue( |
| scriptState->getExecutionContext(), keyRange, exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), |
| m_transaction.get()); |
| backendDB()->getAll(m_transaction->id(), id(), IDBIndexMetadata::InvalidId, |
| range, maxCount, true, |
| WebIDBCallbacksImpl::create(request).release()); |
| return request; |
| } |
| |
| static void generateIndexKeysForValue(v8::Isolate* isolate, |
| const IDBIndexMetadata& indexMetadata, |
| const ScriptValue& objectValue, |
| IndexKeys* indexKeys) { |
| DCHECK(indexKeys); |
| NonThrowableExceptionState exceptionState; |
| IDBKey* indexKey = ScriptValue::to<IDBKey*>( |
| isolate, objectValue, exceptionState, indexMetadata.keyPath); |
| |
| if (!indexKey) |
| return; |
| |
| if (!indexMetadata.multiEntry || indexKey->getType() != IDBKey::ArrayType) { |
| if (!indexKey->isValid()) |
| return; |
| |
| indexKeys->append(indexKey); |
| } else { |
| DCHECK(indexMetadata.multiEntry); |
| DCHECK_EQ(indexKey->getType(), IDBKey::ArrayType); |
| indexKey = IDBKey::createMultiEntryArray(indexKey->array()); |
| |
| for (size_t i = 0; i < indexKey->array().size(); ++i) |
| indexKeys->append(indexKey->array()[i]); |
| } |
| } |
| |
| IDBRequest* IDBObjectStore::add(ScriptState* scriptState, |
| const ScriptValue& value, |
| const ScriptValue& key, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBObjectStore::add"); |
| return put(scriptState, WebIDBPutModeAddOnly, IDBAny::create(this), value, |
| key, exceptionState); |
| } |
| |
| IDBRequest* IDBObjectStore::put(ScriptState* scriptState, |
| const ScriptValue& value, |
| const ScriptValue& key, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBObjectStore::put"); |
| return put(scriptState, WebIDBPutModeAddOrUpdate, IDBAny::create(this), value, |
| key, exceptionState); |
| } |
| |
| IDBRequest* IDBObjectStore::put(ScriptState* scriptState, |
| WebIDBPutMode putMode, |
| IDBAny* source, |
| const ScriptValue& value, |
| const ScriptValue& keyValue, |
| ExceptionState& exceptionState) { |
| IDBKey* key = keyValue.isUndefined() |
| ? nullptr |
| : ScriptValue::to<IDBKey*>(scriptState->isolate(), keyValue, |
| exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| return put(scriptState, putMode, source, value, key, exceptionState); |
| } |
| |
| IDBRequest* IDBObjectStore::put(ScriptState* scriptState, |
| WebIDBPutMode putMode, |
| IDBAny* source, |
| const ScriptValue& value, |
| IDBKey* key, |
| ExceptionState& exceptionState) { |
| if (isDeleted()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isReadOnly()) { |
| exceptionState.throwDOMException( |
| ReadOnlyError, IDBDatabase::transactionReadOnlyErrorMessage); |
| return nullptr; |
| } |
| |
| v8::Isolate* isolate = scriptState->isolate(); |
| DCHECK(isolate->InContext()); |
| Vector<WebBlobInfo> blobInfo; |
| RefPtr<SerializedScriptValue> serializedValue = |
| SerializedScriptValue::serialize(isolate, value.v8Value(), nullptr, |
| &blobInfo, exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| |
| // Keys that need to be extracted must be taken from a clone so that |
| // side effects (i.e. getters) are not triggered. Construct the |
| // clone lazily since the operation may be expensive. |
| ScriptValue clone; |
| |
| const IDBKeyPath& keyPath = idbKeyPath(); |
| const bool usesInLineKeys = !keyPath.isNull(); |
| const bool hasKeyGenerator = autoIncrement(); |
| |
| if (putMode != WebIDBPutModeCursorUpdate && usesInLineKeys && key) { |
| exceptionState.throwDOMException(DataError, |
| "The object store uses in-line keys and " |
| "the key parameter was provided."); |
| return nullptr; |
| } |
| |
| // This test logically belongs in IDBCursor, but must operate on the cloned |
| // value. |
| if (putMode == WebIDBPutModeCursorUpdate && usesInLineKeys) { |
| DCHECK(key); |
| if (clone.isEmpty()) |
| clone = |
| deserializeScriptValue(scriptState, serializedValue.get(), &blobInfo); |
| IDBKey* keyPathKey = ScriptValue::to<IDBKey*>(scriptState->isolate(), clone, |
| exceptionState, keyPath); |
| if (exceptionState.hadException()) |
| return nullptr; |
| if (!keyPathKey || !keyPathKey->isEqual(key)) { |
| exceptionState.throwDOMException( |
| DataError, |
| "The effective object store of this cursor uses in-line keys and " |
| "evaluating the key path of the value parameter results in a " |
| "different value than the cursor's effective key."); |
| return nullptr; |
| } |
| } |
| |
| if (!usesInLineKeys && !hasKeyGenerator && !key) { |
| exceptionState.throwDOMException(DataError, |
| "The object store uses out-of-line keys " |
| "and has no key generator and the key " |
| "parameter was not provided."); |
| return nullptr; |
| } |
| if (usesInLineKeys) { |
| if (clone.isEmpty()) |
| clone = |
| deserializeScriptValue(scriptState, serializedValue.get(), &blobInfo); |
| IDBKey* keyPathKey = ScriptValue::to<IDBKey*>(scriptState->isolate(), clone, |
| exceptionState, keyPath); |
| if (exceptionState.hadException()) |
| return nullptr; |
| if (keyPathKey && !keyPathKey->isValid()) { |
| exceptionState.throwDOMException(DataError, |
| "Evaluating the object store's key path " |
| "yielded a value that is not a valid " |
| "key."); |
| return nullptr; |
| } |
| if (!hasKeyGenerator && !keyPathKey) { |
| exceptionState.throwDOMException( |
| DataError, |
| "Evaluating the object store's key path did not yield a value."); |
| return nullptr; |
| } |
| if (hasKeyGenerator && !keyPathKey) { |
| if (!canInjectIDBKeyIntoScriptValue(scriptState->isolate(), clone, |
| keyPath)) { |
| exceptionState.throwDOMException( |
| DataError, "A generated key could not be inserted into the value."); |
| return nullptr; |
| } |
| } |
| if (keyPathKey) |
| key = keyPathKey; |
| } |
| if (key && !key->isValid()) { |
| exceptionState.throwDOMException(DataError, |
| IDBDatabase::notValidKeyErrorMessage); |
| return nullptr; |
| } |
| |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| Vector<int64_t> indexIds; |
| HeapVector<IndexKeys> indexKeys; |
| for (const auto& it : metadata().indexes) { |
| if (clone.isEmpty()) |
| clone = |
| deserializeScriptValue(scriptState, serializedValue.get(), &blobInfo); |
| IndexKeys keys; |
| generateIndexKeysForValue(scriptState->isolate(), it.value, clone, &keys); |
| indexIds.append(it.key); |
| indexKeys.append(keys); |
| } |
| |
| IDBRequest* request = |
| IDBRequest::create(scriptState, source, m_transaction.get()); |
| Vector<char> wireBytes; |
| serializedValue->toWireBytes(wireBytes); |
| RefPtr<SharedBuffer> valueBuffer = SharedBuffer::adoptVector(wireBytes); |
| |
| backendDB()->put(m_transaction->id(), id(), WebData(valueBuffer), blobInfo, |
| key, static_cast<WebIDBPutMode>(putMode), |
| WebIDBCallbacksImpl::create(request).release(), indexIds, |
| indexKeys); |
| return request; |
| } |
| |
| IDBRequest* IDBObjectStore::deleteFunction(ScriptState* scriptState, |
| const ScriptValue& key, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBObjectStore::delete"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isReadOnly()) { |
| exceptionState.throwDOMException( |
| ReadOnlyError, IDBDatabase::transactionReadOnlyErrorMessage); |
| return nullptr; |
| } |
| |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue( |
| scriptState->getExecutionContext(), key, exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| if (!keyRange) { |
| exceptionState.throwDOMException(DataError, |
| IDBDatabase::noKeyOrKeyRangeErrorMessage); |
| return nullptr; |
| } |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), |
| m_transaction.get()); |
| backendDB()->deleteRange(m_transaction->id(), id(), keyRange, |
| WebIDBCallbacksImpl::create(request).release()); |
| return request; |
| } |
| |
| IDBRequest* IDBObjectStore::clear(ScriptState* scriptState, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBObjectStore::clear"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isReadOnly()) { |
| exceptionState.throwDOMException( |
| ReadOnlyError, IDBDatabase::transactionReadOnlyErrorMessage); |
| return nullptr; |
| } |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), |
| m_transaction.get()); |
| backendDB()->clear(m_transaction->id(), id(), |
| WebIDBCallbacksImpl::create(request).release()); |
| return request; |
| } |
| |
| namespace { |
| // This class creates the index keys for a given index by extracting |
| // them from the SerializedScriptValue, for all the existing values in |
| // the objectStore. It only needs to be kept alive by virtue of being |
| // a listener on an IDBRequest object, in the same way that JavaScript |
| // cursor success handlers are kept alive. |
| class IndexPopulator final : public EventListener { |
| public: |
| static IndexPopulator* create(ScriptState* scriptState, |
| IDBDatabase* database, |
| int64_t transactionId, |
| int64_t objectStoreId, |
| const IDBIndexMetadata& indexMetadata) { |
| return new IndexPopulator(scriptState, database, transactionId, |
| objectStoreId, indexMetadata); |
| } |
| |
| bool operator==(const EventListener& other) const override { |
| return this == &other; |
| } |
| |
| DEFINE_INLINE_VIRTUAL_TRACE() { |
| visitor->trace(m_database); |
| EventListener::trace(visitor); |
| } |
| |
| private: |
| IndexPopulator(ScriptState* scriptState, |
| IDBDatabase* database, |
| int64_t transactionId, |
| int64_t objectStoreId, |
| const IDBIndexMetadata& indexMetadata) |
| : EventListener(CPPEventListenerType), |
| m_scriptState(scriptState), |
| m_database(database), |
| m_transactionId(transactionId), |
| m_objectStoreId(objectStoreId), |
| m_indexMetadata(indexMetadata) {} |
| |
| const IDBIndexMetadata& indexMetadata() const { return m_indexMetadata; } |
| |
| void handleEvent(ExecutionContext* executionContext, Event* event) override { |
| DCHECK_EQ(m_scriptState->getExecutionContext(), executionContext); |
| DCHECK_EQ(event->type(), EventTypeNames::success); |
| EventTarget* target = event->target(); |
| IDBRequest* request = static_cast<IDBRequest*>(target); |
| |
| if (!m_database->backend()) // If database is stopped? |
| return; |
| |
| IDBAny* cursorAny = request->resultAsAny(); |
| IDBCursorWithValue* cursor = nullptr; |
| if (cursorAny->getType() == IDBAny::IDBCursorWithValueType) |
| cursor = cursorAny->idbCursorWithValue(); |
| |
| Vector<int64_t> indexIds; |
| indexIds.append(indexMetadata().id); |
| if (cursor && !cursor->isDeleted()) { |
| cursor->continueFunction(nullptr, nullptr, ASSERT_NO_EXCEPTION); |
| |
| IDBKey* primaryKey = cursor->idbPrimaryKey(); |
| ScriptValue value = cursor->value(m_scriptState.get()); |
| |
| IndexKeys indexKeys; |
| generateIndexKeysForValue(m_scriptState->isolate(), indexMetadata(), |
| value, &indexKeys); |
| |
| HeapVector<IndexKeys> indexKeysList; |
| indexKeysList.append(indexKeys); |
| |
| m_database->backend()->setIndexKeys(m_transactionId, m_objectStoreId, |
| primaryKey, indexIds, indexKeysList); |
| } else { |
| // Now that we are done indexing, tell the backend to go |
| // back to processing tasks of type NormalTask. |
| m_database->backend()->setIndexesReady(m_transactionId, m_objectStoreId, |
| indexIds); |
| m_database.clear(); |
| } |
| } |
| |
| RefPtr<ScriptState> m_scriptState; |
| Member<IDBDatabase> m_database; |
| const int64_t m_transactionId; |
| const int64_t m_objectStoreId; |
| const IDBIndexMetadata m_indexMetadata; |
| }; |
| } // namespace |
| |
| IDBIndex* IDBObjectStore::createIndex(ScriptState* scriptState, |
| const String& name, |
| const IDBKeyPath& keyPath, |
| const IDBIndexParameters& options, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBObjectStore::createIndex"); |
| if (!m_transaction->isVersionChange()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, |
| IDBDatabase::notVersionChangeTransactionErrorMessage); |
| return nullptr; |
| } |
| if (isDeleted()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| if (containsIndex(name)) { |
| exceptionState.throwDOMException(ConstraintError, |
| IDBDatabase::indexNameTakenErrorMessage); |
| return nullptr; |
| } |
| if (!keyPath.isValid()) { |
| exceptionState.throwDOMException( |
| SyntaxError, "The keyPath argument contains an invalid key path."); |
| return nullptr; |
| } |
| if (keyPath.getType() == IDBKeyPath::ArrayType && options.multiEntry()) { |
| exceptionState.throwDOMException( |
| InvalidAccessError, |
| "The keyPath argument was an array and the multiEntry option is true."); |
| return nullptr; |
| } |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| int64_t indexId = m_metadata.maxIndexId + 1; |
| DCHECK_NE(indexId, IDBIndexMetadata::InvalidId); |
| backendDB()->createIndex(m_transaction->id(), id(), indexId, name, keyPath, |
| options.unique(), options.multiEntry()); |
| |
| ++m_metadata.maxIndexId; |
| |
| IDBIndexMetadata indexMetadata(name, indexId, keyPath, options.unique(), |
| options.multiEntry()); |
| IDBIndex* index = IDBIndex::create(indexMetadata, this, m_transaction.get()); |
| m_indexMap.set(name, index); |
| m_createdIndexes.add(index); |
| m_metadata.indexes.set(indexId, indexMetadata); |
| m_transaction->db()->indexCreated(id(), indexMetadata); |
| |
| DCHECK(!exceptionState.hadException()); |
| if (exceptionState.hadException()) |
| return nullptr; |
| |
| IDBRequest* indexRequest = |
| openCursor(scriptState, nullptr, WebIDBCursorDirectionNext, |
| WebIDBTaskTypePreemptive); |
| indexRequest->preventPropagation(); |
| |
| // This is kept alive by being the success handler of the request, which is in |
| // turn kept alive by the owning transaction. |
| IndexPopulator* indexPopulator = |
| IndexPopulator::create(scriptState, transaction()->db(), |
| m_transaction->id(), id(), indexMetadata); |
| indexRequest->setOnsuccess(indexPopulator); |
| return index; |
| } |
| |
| IDBIndex* IDBObjectStore::index(const String& name, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBObjectStore::index"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBIndexMap::iterator it = m_indexMap.find(name); |
| if (it != m_indexMap.end()) |
| return it->value; |
| |
| int64_t indexId = findIndexId(name); |
| if (indexId == IDBIndexMetadata::InvalidId) { |
| exceptionState.throwDOMException(NotFoundError, |
| IDBDatabase::noSuchIndexErrorMessage); |
| return nullptr; |
| } |
| |
| DCHECK(metadata().indexes.contains(indexId)); |
| const IDBIndexMetadata& indexMetadata = metadata().indexes.get(indexId); |
| IDBIndex* index = IDBIndex::create(indexMetadata, this, m_transaction.get()); |
| m_indexMap.set(name, index); |
| return index; |
| } |
| |
| void IDBObjectStore::deleteIndex(const String& name, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBObjectStore::deleteIndex"); |
| if (!m_transaction->isVersionChange()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, |
| IDBDatabase::notVersionChangeTransactionErrorMessage); |
| return; |
| } |
| if (isDeleted()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return; |
| } |
| int64_t indexId = findIndexId(name); |
| if (indexId == IDBIndexMetadata::InvalidId) { |
| exceptionState.throwDOMException(NotFoundError, |
| IDBDatabase::noSuchIndexErrorMessage); |
| return; |
| } |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return; |
| } |
| |
| backendDB()->deleteIndex(m_transaction->id(), id(), indexId); |
| |
| m_metadata.indexes.remove(indexId); |
| m_transaction->db()->indexDeleted(id(), indexId); |
| IDBIndexMap::iterator it = m_indexMap.find(name); |
| if (it != m_indexMap.end()) { |
| it->value->markDeleted(); |
| m_indexMap.remove(name); |
| } |
| } |
| |
| IDBRequest* IDBObjectStore::openCursor(ScriptState* scriptState, |
| const ScriptValue& range, |
| const String& directionString, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBObjectStore::openCursor"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| |
| WebIDBCursorDirection direction = |
| IDBCursor::stringToDirection(directionString); |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue( |
| scriptState->getExecutionContext(), range, exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| return openCursor(scriptState, keyRange, direction, WebIDBTaskTypeNormal); |
| } |
| |
| IDBRequest* IDBObjectStore::openCursor(ScriptState* scriptState, |
| IDBKeyRange* range, |
| WebIDBCursorDirection direction, |
| WebIDBTaskType taskType) { |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), |
| m_transaction.get()); |
| request->setCursorDetails(IndexedDB::CursorKeyAndValue, direction); |
| |
| backendDB()->openCursor( |
| m_transaction->id(), id(), IDBIndexMetadata::InvalidId, range, direction, |
| false, taskType, WebIDBCallbacksImpl::create(request).release()); |
| return request; |
| } |
| |
| IDBRequest* IDBObjectStore::openKeyCursor(ScriptState* scriptState, |
| const ScriptValue& range, |
| const String& directionString, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBObjectStore::openKeyCursor"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| |
| WebIDBCursorDirection direction = |
| IDBCursor::stringToDirection(directionString); |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue( |
| scriptState->getExecutionContext(), range, exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), |
| m_transaction.get()); |
| request->setCursorDetails(IndexedDB::CursorKeyOnly, direction); |
| |
| backendDB()->openCursor(m_transaction->id(), id(), |
| IDBIndexMetadata::InvalidId, keyRange, direction, |
| true, WebIDBTaskTypeNormal, |
| WebIDBCallbacksImpl::create(request).release()); |
| return request; |
| } |
| |
| IDBRequest* IDBObjectStore::count(ScriptState* scriptState, |
| const ScriptValue& range, |
| ExceptionState& exceptionState) { |
| IDB_TRACE("IDBObjectStore::count"); |
| if (isDeleted()) { |
| exceptionState.throwDOMException( |
| InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage); |
| return nullptr; |
| } |
| if (m_transaction->isFinished() || m_transaction->isFinishing()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage); |
| return nullptr; |
| } |
| if (!m_transaction->isActive()) { |
| exceptionState.throwDOMException( |
| TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage); |
| return nullptr; |
| } |
| |
| IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue( |
| scriptState->getExecutionContext(), range, exceptionState); |
| if (exceptionState.hadException()) |
| return nullptr; |
| |
| if (!backendDB()) { |
| exceptionState.throwDOMException(InvalidStateError, |
| IDBDatabase::databaseClosedErrorMessage); |
| return nullptr; |
| } |
| |
| IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), |
| m_transaction.get()); |
| backendDB()->count(m_transaction->id(), id(), IDBIndexMetadata::InvalidId, |
| keyRange, WebIDBCallbacksImpl::create(request).release()); |
| return request; |
| } |
| |
| void IDBObjectStore::markDeleted() { |
| DCHECK(m_transaction->isVersionChange()) |
| << "An object store got deleted outside a versionchange transaction."; |
| m_deleted = true; |
| } |
| |
| void IDBObjectStore::abort() { |
| for (auto& index : m_createdIndexes) |
| index->markDeleted(); |
| } |
| |
| void IDBObjectStore::transactionFinished() { |
| DCHECK(!m_transaction->isActive()); |
| |
| // Break reference cycles. |
| // TODO(jsbell): This can be removed c/o Oilpan. |
| m_indexMap.clear(); |
| m_createdIndexes.clear(); |
| } |
| |
| void IDBObjectStore::indexRenamed(int64_t indexId, const String& newName) { |
| DCHECK(m_transaction->isVersionChange()); |
| DCHECK(m_transaction->isActive()); |
| |
| auto metadataIterator = m_metadata.indexes.find(indexId); |
| DCHECK_NE(metadataIterator, m_metadata.indexes.end()) << "Invalid indexId"; |
| const String& oldName = metadataIterator->value.name; |
| |
| DCHECK(m_indexMap.contains(oldName)) |
| << "The index had to be accessed in order to be renamed."; |
| DCHECK(!m_indexMap.contains(newName)); |
| m_indexMap.set(newName, m_indexMap.take(oldName)); |
| |
| metadataIterator->value.name = newName; |
| } |
| |
| int64_t IDBObjectStore::findIndexId(const String& name) const { |
| for (const auto& it : metadata().indexes) { |
| if (it.value.name == name) { |
| DCHECK_NE(it.key, IDBIndexMetadata::InvalidId); |
| return it.key; |
| } |
| } |
| return IDBIndexMetadata::InvalidId; |
| } |
| |
| WebIDBDatabase* IDBObjectStore::backendDB() const { |
| return m_transaction->backendDB(); |
| } |
| |
| } // namespace blink |
