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 | |
36 | namespace WebCore { |
37 | |
38 | DOMWindowCaches::DOMWindowCaches(DOMWindow* window) |
39 | : DOMWindowProperty(window) |
40 | { |
41 | } |
42 | |
43 | const char* DOMWindowCaches::supplementName() |
44 | { |
45 | return "DOMWindowCaches" ; |
46 | } |
47 | |
48 | DOMWindowCaches* 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 | |
59 | ExceptionOr<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 | |
70 | DOMCacheStorage* 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 | |