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/*
* 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 "IDBFactoryBackendImpl.h"
#include "DOMStringList.h"
#include "FileSystem.h"
#include "IDBDatabaseBackendImpl.h"
#include "IDBDatabaseException.h"
#include "SQLiteDatabase.h"
#include "SecurityOrigin.h"
#include <wtf/Threading.h>
#include <wtf/UnusedParam.h>
#if ENABLE(INDEXED_DATABASE)
namespace WebCore {
IDBFactoryBackendImpl::IDBFactoryBackendImpl()
{
}
IDBFactoryBackendImpl::~IDBFactoryBackendImpl()
{
}
static PassOwnPtr<SQLiteDatabase> openSQLiteDatabase(SecurityOrigin* securityOrigin, String name)
{
String pathBase = "/tmp/temporary-indexed-db-files"; // FIXME: Write a PageGroupSettings class and have this value come from that.
if (!makeAllDirectories(pathBase)) {
// FIXME: Is there any other thing we could possibly do to recover at this point? If so, do it rather than just erroring out.
LOG_ERROR("Unabled to create LocalStorage database path %s", pathBase.utf8().data());
return 0;
}
String databaseIdentifier = securityOrigin->databaseIdentifier();
String santizedName = encodeForFileName(name);
String path = pathByAppendingComponent(pathBase, databaseIdentifier + "_" + santizedName + ".indexeddb");
OwnPtr<SQLiteDatabase> sqliteDatabase = adoptPtr(new SQLiteDatabase());
if (!sqliteDatabase->open(path)) {
// FIXME: Is there any other thing we could possibly do to recover at this point? If so, do it rather than just erroring out.
LOG_ERROR("Failed to open database file %s for IndexedDB", path.utf8().data());
return 0;
}
return sqliteDatabase.release();
}
static bool createTables(SQLiteDatabase* sqliteDatabase)
{
static const char* commands[] = {
"CREATE TABLE IF NOT EXISTS MetaData (name TEXT, description TEXT, version TEXT)"
};
for (size_t i = 0; i < arraysize(commands); ++i) {
if (!sqliteDatabase->executeCommand(commands[i])) {
// FIXME: We should try to recover from this situation. Maybe nuke the database and start over?
LOG_ERROR("Failed to run the following command for IndexedDB: %s", commands[i]);
return false;
}
}
return true;
}
void IDBFactoryBackendImpl::open(const String& name, const String& description, PassRefPtr<IDBCallbacks> callbacks, PassRefPtr<SecurityOrigin> securityOrigin, Frame*)
{
IDBDatabaseBackendMap::iterator it = m_databaseBackendMap.find(name);
if (it != m_databaseBackendMap.end()) {
if (!description.isNull())
it->second->setDescription(description); // The description may have changed.
callbacks->onSuccess(it->second.get());
return;
}
// FIXME: Everything from now on should be done on another thread.
OwnPtr<SQLiteDatabase> sqliteDatabase = openSQLiteDatabase(securityOrigin.get(), name);
if (!sqliteDatabase || !createTables(sqliteDatabase.get())) {
callbacks->onError(IDBDatabaseError::create(IDBDatabaseException::UNKNOWN_ERR, "Internal error."));
return;
}
RefPtr<IDBDatabaseBackendImpl> databaseBackend = IDBDatabaseBackendImpl::create(name, description, sqliteDatabase.release());
callbacks->onSuccess(databaseBackend.get());
m_databaseBackendMap.set(name, databaseBackend.release());
}
} // namespace WebCore
#endif // ENABLE(INDEXED_DATABASE)
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