1/*
2 * Copyright (C) 2016 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#if ENABLE(WEB_CRYPTO)
29
30#include "ContextDestructionObserver.h"
31#include "CryptoKeyFormat.h"
32#include <JavaScriptCore/Strong.h>
33#include <wtf/Ref.h>
34#include <wtf/RefCounted.h>
35#include <wtf/Variant.h>
36#include <wtf/WeakPtr.h>
37#include <wtf/WorkQueue.h>
38
39namespace JSC {
40class ArrayBufferView;
41class ArrayBuffer;
42class ExecState;
43}
44
45namespace WebCore {
46
47struct JsonWebKey;
48
49class BufferSource;
50class CryptoKey;
51class DeferredPromise;
52
53enum class CryptoKeyUsage;
54
55class SubtleCrypto : public ContextDestructionObserver, public RefCounted<SubtleCrypto>, public CanMakeWeakPtr<SubtleCrypto> {
56public:
57 static Ref<SubtleCrypto> create(ScriptExecutionContext* context) { return adoptRef(*new SubtleCrypto(context)); }
58 ~SubtleCrypto();
59
60 using KeyFormat = CryptoKeyFormat;
61
62 using AlgorithmIdentifier = Variant<JSC::Strong<JSC::JSObject>, String>;
63 using KeyDataVariant = Variant<RefPtr<JSC::ArrayBufferView>, RefPtr<JSC::ArrayBuffer>, JsonWebKey>;
64
65 void encrypt(JSC::ExecState&, AlgorithmIdentifier&&, CryptoKey&, BufferSource&& data, Ref<DeferredPromise>&&);
66 void decrypt(JSC::ExecState&, AlgorithmIdentifier&&, CryptoKey&, BufferSource&& data, Ref<DeferredPromise>&&);
67 void sign(JSC::ExecState&, AlgorithmIdentifier&&, CryptoKey&, BufferSource&& data, Ref<DeferredPromise>&&);
68 void verify(JSC::ExecState&, AlgorithmIdentifier&&, CryptoKey&, BufferSource&& signature, BufferSource&& data, Ref<DeferredPromise>&&);
69 void digest(JSC::ExecState&, AlgorithmIdentifier&&, BufferSource&& data, Ref<DeferredPromise>&&);
70 void generateKey(JSC::ExecState&, AlgorithmIdentifier&&, bool extractable, Vector<CryptoKeyUsage>&& keyUsages, Ref<DeferredPromise>&&);
71 void deriveKey(JSC::ExecState&, AlgorithmIdentifier&&, CryptoKey& baseKey, AlgorithmIdentifier&& derivedKeyType, bool extractable, Vector<CryptoKeyUsage>&&, Ref<DeferredPromise>&&);
72 void deriveBits(JSC::ExecState&, AlgorithmIdentifier&&, CryptoKey& baseKey, unsigned length, Ref<DeferredPromise>&&);
73 void importKey(JSC::ExecState&, KeyFormat, KeyDataVariant&&, AlgorithmIdentifier&&, bool extractable, Vector<CryptoKeyUsage>&&, Ref<DeferredPromise>&&);
74 void exportKey(KeyFormat, CryptoKey&, Ref<DeferredPromise>&&);
75 void wrapKey(JSC::ExecState&, KeyFormat, CryptoKey&, CryptoKey& wrappingKey, AlgorithmIdentifier&& wrapAlgorithm, Ref<DeferredPromise>&&);
76 void unwrapKey(JSC::ExecState&, KeyFormat, BufferSource&& wrappedKey, CryptoKey& unwrappingKey, AlgorithmIdentifier&& unwrapAlgorithm, AlgorithmIdentifier&& unwrappedKeyAlgorithm, bool extractable, Vector<CryptoKeyUsage>&&, Ref<DeferredPromise>&&);
77
78private:
79 explicit SubtleCrypto(ScriptExecutionContext*);
80
81 inline friend RefPtr<DeferredPromise> getPromise(DeferredPromise*, WeakPtr<SubtleCrypto>);
82
83 Ref<WorkQueue> m_workQueue;
84 HashMap<DeferredPromise*, Ref<DeferredPromise>> m_pendingPromises;
85};
86
87}
88
89#endif
90