2d59d6c98c
This patch throws away some of the spec suggestions for how to implement the normalize_algorithm AO and uses a new pattern that we can actually extend in our C++. Also update CryptoKey to store the key data.
93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
/*
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* Copyright (c) 2024, Andrew Kaster <akaster@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/EnumBits.h>
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#include <AK/String.h>
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#include <LibJS/Forward.h>
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#include <LibJS/Heap/GCPtr.h>
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#include <LibWeb/Bindings/SubtleCryptoPrototype.h>
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#include <LibWeb/Crypto/CryptoBindings.h>
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#include <LibWeb/Crypto/CryptoKey.h>
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#include <LibWeb/WebIDL/Buffers.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::Crypto {
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using KeyDataType = Variant<JS::Handle<WebIDL::BufferSource>, Bindings::JsonWebKey>;
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using AlgorithmIdentifier = Variant<JS::Handle<JS::Object>, String>;
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using HashAlgorithmIdentifier = AlgorithmIdentifier;
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// https://w3c.github.io/webcrypto/#algorithm-overview
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struct AlgorithmParams {
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String name;
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static JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> from_value(JS::VM&, JS::Value);
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};
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// https://w3c.github.io/webcrypto/#pbkdf2-params
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struct PBKDF2Params : public AlgorithmParams {
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JS::Handle<WebIDL::BufferSource> salt;
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u32 iterations;
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HashAlgorithmIdentifier hash;
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static JS::ThrowCompletionOr<NonnullOwnPtr<AlgorithmParams>> from_value(JS::VM&, JS::Value);
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};
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class AlgorithmMethods {
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public:
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virtual ~AlgorithmMethods();
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virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::ArrayBuffer>> digest(AlgorithmParams const&, ByteBuffer const&)
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{
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return WebIDL::NotSupportedError::create(m_realm, "digest is not supported"_fly_string);
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}
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virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<CryptoKey>> import_key(AlgorithmParams const&, Bindings::KeyFormat, CryptoKey::InternalKeyData, bool, Vector<Bindings::KeyUsage> const&)
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{
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return WebIDL::NotSupportedError::create(m_realm, "importKey is not supported"_fly_string);
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}
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static NonnullOwnPtr<AlgorithmMethods> create(JS::Realm& realm) { return adopt_own(*new AlgorithmMethods(realm)); }
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protected:
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explicit AlgorithmMethods(JS::Realm& realm)
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: m_realm(realm)
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{
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}
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JS::Realm& m_realm;
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};
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class PBKDF2 : public AlgorithmMethods {
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public:
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virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<CryptoKey>> import_key(AlgorithmParams const&, Bindings::KeyFormat, CryptoKey::InternalKeyData, bool, Vector<Bindings::KeyUsage> const&) override;
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static NonnullOwnPtr<AlgorithmMethods> create(JS::Realm& realm) { return adopt_own(*new PBKDF2(realm)); }
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private:
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explicit PBKDF2(JS::Realm& realm)
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: AlgorithmMethods(realm)
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{
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}
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};
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class SHA : public AlgorithmMethods {
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public:
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virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::ArrayBuffer>> digest(AlgorithmParams const&, ByteBuffer const&) override;
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static NonnullOwnPtr<AlgorithmMethods> create(JS::Realm& realm) { return adopt_own(*new SHA(realm)); }
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private:
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explicit SHA(JS::Realm& realm)
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: AlgorithmMethods(realm)
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{
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}
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};
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}
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