1/*
2 * Copyright (C) 2013 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#pragma once
27
28#include "CryptoAlgorithmIdentifier.h"
29#include <wtf/Forward.h>
30#include <wtf/HashMap.h>
31#include <wtf/Noncopyable.h>
32#include <wtf/text/StringHash.h>
33
34#if ENABLE(WEB_CRYPTO)
35
36namespace WebCore {
37
38class CryptoAlgorithm;
39
40class CryptoAlgorithmRegistry {
41 WTF_MAKE_NONCOPYABLE(CryptoAlgorithmRegistry);
42 friend class NeverDestroyed<CryptoAlgorithmRegistry>;
43
44public:
45 static CryptoAlgorithmRegistry& singleton();
46
47 Optional<CryptoAlgorithmIdentifier> identifier(const String&);
48 String name(CryptoAlgorithmIdentifier);
49
50 RefPtr<CryptoAlgorithm> create(CryptoAlgorithmIdentifier);
51
52private:
53 CryptoAlgorithmRegistry();
54 void platformRegisterAlgorithms();
55
56 using CryptoAlgorithmConstructor = Ref<CryptoAlgorithm> (*)();
57
58 template<typename AlgorithmClass> void registerAlgorithm()
59 {
60 registerAlgorithm(AlgorithmClass::s_name, AlgorithmClass::s_identifier, AlgorithmClass::create);
61 }
62
63 void registerAlgorithm(const String& name, CryptoAlgorithmIdentifier, CryptoAlgorithmConstructor);
64
65 HashMap<String, CryptoAlgorithmIdentifier, ASCIICaseInsensitiveHash> m_identifiers;
66 HashMap<unsigned, std::pair<String, CryptoAlgorithmConstructor>> m_constructors;
67};
68
69} // namespace WebCore
70
71#endif // ENABLE(WEB_CRYPTO)
72