97 lines
3.7 KiB
C++
97 lines
3.7 KiB
C++
/*
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* Copyright (C) 2014 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "StorageNamespaceProvider.h"
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#include "Document.h"
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#include "Page.h"
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#include "SecurityOriginData.h"
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#include "StorageArea.h"
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#include "StorageNamespace.h"
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namespace WebCore {
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// Suggested by the HTML5 spec.
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unsigned localStorageDatabaseQuotaInBytes = 5 * 1024 * 1024;
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StorageNamespaceProvider::StorageNamespaceProvider()
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{
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}
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StorageNamespaceProvider::~StorageNamespaceProvider()
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{
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}
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Ref<StorageArea> StorageNamespaceProvider::localStorageArea(Document& document)
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{
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// This StorageNamespaceProvider was retrieved from the Document's Page,
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// so the Document had better still actually have a Page.
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ASSERT(document.page());
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bool transient = !document.securityOrigin().canAccessLocalStorage(&document.topOrigin());
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RefPtr<StorageNamespace> storageNamespace;
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if (transient)
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storageNamespace = &transientLocalStorageNamespace(document.topOrigin(), document.page()->sessionID());
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else
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storageNamespace = &localStorageNamespace(document.page()->sessionID());
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return storageNamespace->storageArea(document.securityOrigin().data());
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}
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StorageNamespace& StorageNamespaceProvider::localStorageNamespace(PAL::SessionID sessionID)
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{
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if (!m_localStorageNamespace)
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m_localStorageNamespace = createLocalStorageNamespace(localStorageDatabaseQuotaInBytes, sessionID);
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ASSERT(m_localStorageNamespace->sessionID() == sessionID);
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return *m_localStorageNamespace;
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}
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StorageNamespace& StorageNamespaceProvider::transientLocalStorageNamespace(SecurityOrigin& securityOrigin, PAL::SessionID sessionID)
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{
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auto& slot = m_transientLocalStorageNamespaces.add(securityOrigin.data(), nullptr).iterator->value;
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if (!slot)
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slot = createTransientLocalStorageNamespace(securityOrigin, localStorageDatabaseQuotaInBytes, sessionID);
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ASSERT(slot->sessionID() == sessionID);
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return *slot;
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}
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void StorageNamespaceProvider::setSessionIDForTesting(PAL::SessionID newSessionID)
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{
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if (m_localStorageNamespace && newSessionID != m_localStorageNamespace->sessionID())
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m_localStorageNamespace->setSessionIDForTesting(newSessionID);
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for (auto& transientLocalStorageNamespace : m_transientLocalStorageNamespaces.values()) {
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if (newSessionID != transientLocalStorageNamespace->sessionID())
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m_localStorageNamespace->setSessionIDForTesting(newSessionID);
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}
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}
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}
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