| /* |
| * 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. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * 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 "config.h" |
| #include "modules/indexeddb/IDBFactory.h" |
| |
| #include "bindings/v8/ExceptionState.h" |
| #include "bindings/v8/IDBBindingUtilities.h" |
| #include "core/dom/Document.h" |
| #include "core/dom/ExceptionCode.h" |
| #include "modules/indexeddb/IDBDatabase.h" |
| #include "modules/indexeddb/IDBDatabaseCallbacks.h" |
| #include "modules/indexeddb/IDBFactoryBackendInterface.h" |
| #include "modules/indexeddb/IDBHistograms.h" |
| #include "modules/indexeddb/IDBKey.h" |
| #include "modules/indexeddb/IDBTracing.h" |
| #include "modules/indexeddb/WebIDBCallbacksImpl.h" |
| #include "modules/indexeddb/WebIDBDatabaseCallbacksImpl.h" |
| #include "platform/weborigin/DatabaseIdentifier.h" |
| #include "platform/weborigin/SecurityOrigin.h" |
| #include "public/platform/Platform.h" |
| #include "public/platform/WebIDBFactory.h" |
| |
| namespace WebCore { |
| |
| static const char permissionDeniedErrorMessage[] = "The user denied permission to access the database."; |
| |
| IDBFactory::IDBFactory(IDBFactoryBackendInterface* permissionClient) |
| : m_permissionClient(permissionClient) |
| { |
| // We pass a reference to this object before it can be adopted. |
| relaxAdoptionRequirement(); |
| ScriptWrappable::init(this); |
| } |
| |
| IDBFactory::~IDBFactory() |
| { |
| } |
| |
| static bool isContextValid(ExecutionContext* context) |
| { |
| ASSERT(context->isDocument() || context->isWorkerGlobalScope()); |
| if (context->isDocument()) { |
| Document* document = toDocument(context); |
| return document->frame() && document->page(); |
| } |
| return true; |
| } |
| |
| PassRefPtr<IDBRequest> IDBFactory::getDatabaseNames(ExecutionContext* context, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBFactory::getDatabaseNames"); |
| if (!isContextValid(context)) |
| return 0; |
| if (!context->securityOrigin()->canAccessDatabase()) { |
| exceptionState.throwSecurityError("access to the Indexed Database API is denied in this context."); |
| return 0; |
| } |
| |
| RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::createNull(), 0); |
| |
| if (!m_permissionClient->allowIndexedDB(context, "Database Listing")) { |
| request->onError(DOMError::create(UnknownError, permissionDeniedErrorMessage)); |
| return request; |
| } |
| |
| blink::Platform::current()->idbFactory()->getDatabaseNames(WebIDBCallbacksImpl::create(request).leakPtr(), createDatabaseIdentifierFromSecurityOrigin(context->securityOrigin())); |
| return request; |
| } |
| |
| PassRefPtr<IDBOpenDBRequest> IDBFactory::open(ExecutionContext* context, const String& name, unsigned long long version, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBFactory::open"); |
| if (!version) { |
| exceptionState.throwUninformativeAndGenericTypeError(); |
| return 0; |
| } |
| return openInternal(context, name, version, exceptionState); |
| } |
| |
| PassRefPtr<IDBOpenDBRequest> IDBFactory::openInternal(ExecutionContext* context, const String& name, int64_t version, ExceptionState& exceptionState) |
| { |
| blink::Platform::current()->histogramEnumeration("WebCore.IndexedDB.FrontEndAPICalls", IDBOpenCall, IDBMethodsMax); |
| ASSERT(version >= 1 || version == IDBDatabaseMetadata::NoIntVersion); |
| if (name.isNull()) { |
| exceptionState.throwUninformativeAndGenericTypeError(); |
| return 0; |
| } |
| if (!isContextValid(context)) |
| return 0; |
| if (!context->securityOrigin()->canAccessDatabase()) { |
| exceptionState.throwSecurityError("access to the Indexed Database API is denied in this context."); |
| return 0; |
| } |
| |
| RefPtr<IDBDatabaseCallbacks> databaseCallbacks = IDBDatabaseCallbacks::create(); |
| int64_t transactionId = IDBDatabase::nextTransactionId(); |
| RefPtr<IDBOpenDBRequest> request = IDBOpenDBRequest::create(context, databaseCallbacks, transactionId, version); |
| |
| if (!m_permissionClient->allowIndexedDB(context, name)) { |
| request->onError(DOMError::create(UnknownError, permissionDeniedErrorMessage)); |
| return request; |
| } |
| |
| blink::Platform::current()->idbFactory()->open(name, version, transactionId, WebIDBCallbacksImpl::create(request).leakPtr(), WebIDBDatabaseCallbacksImpl::create(databaseCallbacks.release()).leakPtr(), createDatabaseIdentifierFromSecurityOrigin(context->securityOrigin())); |
| return request; |
| } |
| |
| PassRefPtr<IDBOpenDBRequest> IDBFactory::open(ExecutionContext* context, const String& name, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBFactory::open"); |
| return openInternal(context, name, IDBDatabaseMetadata::NoIntVersion, exceptionState); |
| } |
| |
| PassRefPtr<IDBOpenDBRequest> IDBFactory::deleteDatabase(ExecutionContext* context, const String& name, ExceptionState& exceptionState) |
| { |
| IDB_TRACE("IDBFactory::deleteDatabase"); |
| blink::Platform::current()->histogramEnumeration("WebCore.IndexedDB.FrontEndAPICalls", IDBDeleteDatabaseCall, IDBMethodsMax); |
| if (name.isNull()) { |
| exceptionState.throwUninformativeAndGenericTypeError(); |
| return 0; |
| } |
| if (!isContextValid(context)) |
| return 0; |
| if (!context->securityOrigin()->canAccessDatabase()) { |
| exceptionState.throwSecurityError("access to the Indexed Database API is denied in this context."); |
| return 0; |
| } |
| |
| RefPtr<IDBOpenDBRequest> request = IDBOpenDBRequest::create(context, 0, 0, IDBDatabaseMetadata::DefaultIntVersion); |
| |
| if (!m_permissionClient->allowIndexedDB(context, name)) { |
| request->onError(DOMError::create(UnknownError, permissionDeniedErrorMessage)); |
| return request; |
| } |
| |
| blink::Platform::current()->idbFactory()->deleteDatabase(name, WebIDBCallbacksImpl::create(request).leakPtr(), createDatabaseIdentifierFromSecurityOrigin(context->securityOrigin())); |
| return request; |
| } |
| |
| short IDBFactory::cmp(ExecutionContext* context, const ScriptValue& firstValue, const ScriptValue& secondValue, ExceptionState& exceptionState) |
| { |
| DOMRequestState requestState(context); |
| RefPtr<IDBKey> first = scriptValueToIDBKey(&requestState, firstValue); |
| RefPtr<IDBKey> second = scriptValueToIDBKey(&requestState, secondValue); |
| |
| ASSERT(first); |
| ASSERT(second); |
| |
| if (!first->isValid() || !second->isValid()) { |
| exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage); |
| return 0; |
| } |
| |
| return static_cast<short>(first->compare(second.get())); |
| } |
| |
| } // namespace WebCore |