1/*
2 * Copyright (C) 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 "DOMWindowCaches.h"
28
29#include "CacheStorageProvider.h"
30#include "DOMCacheStorage.h"
31#include "DOMWindow.h"
32#include "Document.h"
33#include "Frame.h"
34#include "Page.h"
35
36namespace WebCore {
37
38DOMWindowCaches::DOMWindowCaches(DOMWindow* window)
39 : DOMWindowProperty(window)
40{
41}
42
43const char* DOMWindowCaches::supplementName()
44{
45 return "DOMWindowCaches";
46}
47
48DOMWindowCaches* DOMWindowCaches::from(DOMWindow* window)
49{
50 auto* supplement = static_cast<DOMWindowCaches*>(Supplement<DOMWindow>::from(window, supplementName()));
51 if (!supplement) {
52 auto newSupplement = std::make_unique<DOMWindowCaches>(window);
53 supplement = newSupplement.get();
54 provideTo(window, supplementName(), WTFMove(newSupplement));
55 }
56 return supplement;
57}
58
59ExceptionOr<DOMCacheStorage*> DOMWindowCaches::caches(ScriptExecutionContext& context, DOMWindow& window)
60{
61 if (downcast<Document>(context).isSandboxed(SandboxOrigin))
62 return Exception { SecurityError, "Cache storage is disabled because the context is sandboxed and lacks the 'allow-same-origin' flag" };
63
64 if (!window.isCurrentlyDisplayedInFrame())
65 return nullptr;
66
67 return DOMWindowCaches::from(&window)->caches();
68}
69
70DOMCacheStorage* DOMWindowCaches::caches() const
71{
72 ASSERT(frame());
73 ASSERT(frame()->document());
74 if (!m_caches && frame()->page())
75 m_caches = DOMCacheStorage::create(*frame()->document(), frame()->page()->cacheStorageProvider().createCacheStorageConnection(frame()->page()->sessionID()));
76 return m_caches.get();
77}
78
79} // namespace WebCore
80