1/*
2 * Copyright (C) 2013-2017 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "StorageNamespaceImpl.h"
28
29#include "StorageAreaImpl.h"
30#include "StorageAreaMap.h"
31#include "WebPage.h"
32#include "WebPageGroupProxy.h"
33#include "WebProcess.h"
34#include <WebCore/Frame.h>
35#include <WebCore/PageGroup.h>
36#include <WebCore/SecurityOrigin.h>
37#include <WebCore/Settings.h>
38#include <WebCore/StorageType.h>
39
40namespace WebKit {
41using namespace WebCore;
42
43Ref<StorageNamespaceImpl> StorageNamespaceImpl::createSessionStorageNamespace(uint64_t identifier, unsigned quotaInBytes)
44{
45 return adoptRef(*new StorageNamespaceImpl(StorageType::Session, identifier, nullptr, quotaInBytes));
46}
47
48Ref<StorageNamespaceImpl> StorageNamespaceImpl::createEphemeralLocalStorageNamespace(uint64_t identifier, unsigned quotaInBytes)
49{
50 return createSessionStorageNamespace(identifier, quotaInBytes);
51}
52
53Ref<StorageNamespaceImpl> StorageNamespaceImpl::createLocalStorageNamespace(uint64_t identifier, unsigned quotaInBytes)
54{
55 return adoptRef(*new StorageNamespaceImpl(StorageType::Local, identifier, nullptr, quotaInBytes));
56}
57
58Ref<StorageNamespaceImpl> StorageNamespaceImpl::createTransientLocalStorageNamespace(uint64_t identifier, WebCore::SecurityOrigin& topLevelOrigin, uint64_t quotaInBytes)
59{
60 return adoptRef(*new StorageNamespaceImpl(StorageType::TransientLocal, identifier, &topLevelOrigin, quotaInBytes));
61}
62
63StorageNamespaceImpl::StorageNamespaceImpl(WebCore::StorageType storageType, uint64_t storageNamespaceID, WebCore::SecurityOrigin* topLevelOrigin, unsigned quotaInBytes)
64 : m_storageType(storageType)
65 , m_storageNamespaceID(storageNamespaceID)
66 , m_topLevelOrigin(topLevelOrigin)
67 , m_quotaInBytes(quotaInBytes)
68{
69}
70
71StorageNamespaceImpl::~StorageNamespaceImpl()
72{
73}
74
75void StorageNamespaceImpl::didDestroyStorageAreaMap(StorageAreaMap& map)
76{
77 m_storageAreaMaps.remove(map.securityOrigin().data());
78}
79
80Ref<StorageArea> StorageNamespaceImpl::storageArea(const SecurityOriginData& securityOrigin)
81{
82 RefPtr<StorageAreaMap> map;
83
84 auto& slot = m_storageAreaMaps.add(securityOrigin, nullptr).iterator->value;
85 if (!slot) {
86 map = StorageAreaMap::create(this, securityOrigin.securityOrigin());
87 slot = map.get();
88 } else
89 map = slot;
90
91 return StorageAreaImpl::create(map.releaseNonNull());
92}
93
94Ref<StorageNamespace> StorageNamespaceImpl::copy(Page* newPage)
95{
96 ASSERT(m_storageNamespaceID);
97
98 if (m_storageType == StorageType::Session)
99 return createSessionStorageNamespace(WebPage::fromCorePage(newPage)->pageID(), m_quotaInBytes);
100
101 ASSERT(m_storageType == StorageType::EphemeralLocal);
102 auto newNamespace = adoptRef(*new StorageNamespaceImpl(m_storageType, m_storageNamespaceID, m_topLevelOrigin.get(), m_quotaInBytes));
103
104 return newNamespace;
105}
106
107} // namespace WebKit
108