1/*
2 * Copyright (C) 2008 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. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 */
26
27#pragma once
28
29#include "StoredCredentialsPolicy.h"
30#include <wtf/HashMap.h>
31#include <wtf/HashSet.h>
32#include <wtf/MonotonicTime.h>
33#include <wtf/URLHash.h>
34
35namespace WebCore {
36
37class HTTPHeaderMap;
38class ResourceResponse;
39
40class CrossOriginPreflightResultCacheItem {
41 WTF_MAKE_NONCOPYABLE(CrossOriginPreflightResultCacheItem); WTF_MAKE_FAST_ALLOCATED;
42public:
43 explicit CrossOriginPreflightResultCacheItem(StoredCredentialsPolicy storedCredentialsPolicy)
44 : m_storedCredentialsPolicy(storedCredentialsPolicy)
45 {
46 }
47
48 WEBCORE_EXPORT bool parse(const ResourceResponse&);
49 WEBCORE_EXPORT bool allowsCrossOriginMethod(const String&, String& errorDescription) const;
50 WEBCORE_EXPORT bool allowsCrossOriginHeaders(const HTTPHeaderMap&, String& errorDescription) const;
51 bool allowsRequest(StoredCredentialsPolicy, const String& method, const HTTPHeaderMap& requestHeaders) const;
52
53private:
54 // FIXME: A better solution to holding onto the absolute expiration time might be
55 // to start a timer for the expiration delta that removes this from the cache when
56 // it fires.
57 MonotonicTime m_absoluteExpiryTime;
58 StoredCredentialsPolicy m_storedCredentialsPolicy;
59 HashSet<String> m_methods;
60 HashSet<String, ASCIICaseInsensitiveHash> m_headers;
61};
62
63class CrossOriginPreflightResultCache {
64 WTF_MAKE_NONCOPYABLE(CrossOriginPreflightResultCache); WTF_MAKE_FAST_ALLOCATED;
65public:
66 WEBCORE_EXPORT static CrossOriginPreflightResultCache& singleton();
67 WEBCORE_EXPORT void appendEntry(const String& origin, const URL&, std::unique_ptr<CrossOriginPreflightResultCacheItem>);
68 WEBCORE_EXPORT bool canSkipPreflight(const String& origin, const URL&, StoredCredentialsPolicy, const String& method, const HTTPHeaderMap& requestHeaders);
69 WEBCORE_EXPORT void clear();
70
71private:
72 friend NeverDestroyed<CrossOriginPreflightResultCache>;
73 CrossOriginPreflightResultCache();
74
75 HashMap<std::pair<String, URL>, std::unique_ptr<CrossOriginPreflightResultCacheItem>> m_preflightHashMap;
76};
77
78} // namespace WebCore
79