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/*
* Copyright (C) 2018 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(WEB_AUTHN)
#include "AttestationConveyancePreference.h"
#include "AuthenticationExtensionsClientInputs.h"
#include "BufferSource.h"
#include "PublicKeyCredentialDescriptor.h"
#include "PublicKeyCredentialType.h"
#include "UserVerificationRequirement.h"
#include <wtf/CrossThreadCopier.h>
#include <wtf/Forward.h>
namespace WebCore {
struct PublicKeyCredentialCreationOptions {
enum class AuthenticatorAttachment {
Platform,
CrossPlatform
};
struct Entity {
String name;
String icon;
};
struct RpEntity : public Entity {
mutable String id;
};
struct UserEntity : public Entity {
BufferSource id; // id becomes idVector once it is passed to UIProcess.
Vector<uint8_t> idVector;
String displayName;
};
struct Parameters {
PublicKeyCredentialType type;
int64_t alg;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static Optional<Parameters> decode(Decoder&);
};
struct AuthenticatorSelectionCriteria {
Optional<AuthenticatorAttachment> authenticatorAttachment;
bool requireResidentKey { false };
UserVerificationRequirement userVerification { UserVerificationRequirement::Preferred };
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static Optional<AuthenticatorSelectionCriteria> decode(Decoder&);
};
RpEntity rp;
UserEntity user;
BufferSource challenge;
Vector<Parameters> pubKeyCredParams;
Optional<unsigned> timeout;
Vector<PublicKeyCredentialDescriptor> excludeCredentials;
Optional<AuthenticatorSelectionCriteria> authenticatorSelection;
AttestationConveyancePreference attestation;
mutable Optional<AuthenticationExtensionsClientInputs> extensions;
template<class Encoder> void encode(Encoder&) const;
template<class Decoder> static Optional<PublicKeyCredentialCreationOptions> decode(Decoder&);
};
template<class Encoder>
void PublicKeyCredentialCreationOptions::Parameters::encode(Encoder& encoder) const
{
encoder << type << alg;
}
template<class Decoder>
Optional<PublicKeyCredentialCreationOptions::Parameters> PublicKeyCredentialCreationOptions::Parameters::decode(Decoder& decoder)
{
PublicKeyCredentialCreationOptions::Parameters result;
if (!decoder.decodeEnum(result.type))
return WTF::nullopt;
if (!decoder.decode(result.alg))
return WTF::nullopt;
return result;
}
template<class Encoder>
void PublicKeyCredentialCreationOptions::AuthenticatorSelectionCriteria::encode(Encoder& encoder) const
{
encoder << authenticatorAttachment << requireResidentKey << userVerification;
}
template<class Decoder>
Optional<PublicKeyCredentialCreationOptions::AuthenticatorSelectionCriteria> PublicKeyCredentialCreationOptions::AuthenticatorSelectionCriteria::decode(Decoder& decoder)
{
PublicKeyCredentialCreationOptions::AuthenticatorSelectionCriteria result;
Optional<Optional<AuthenticatorAttachment>> authenticatorAttachment;
decoder >> authenticatorAttachment;
if (!authenticatorAttachment)
return WTF::nullopt;
result.authenticatorAttachment = WTFMove(*authenticatorAttachment);
Optional<bool> requireResidentKey;
decoder >> requireResidentKey;
if (!requireResidentKey)
return WTF::nullopt;
result.requireResidentKey = *requireResidentKey;
if (!decoder.decodeEnum(result.userVerification))
return WTF::nullopt;
return result;
}
// Not every member is encoded.
template<class Encoder>
void PublicKeyCredentialCreationOptions::encode(Encoder& encoder) const
{
encoder << rp.id << rp.name << rp.icon;
encoder << static_cast<uint64_t>(user.id.length());
encoder.encodeFixedLengthData(user.id.data(), user.id.length(), 1);
encoder << user.displayName << user.name << user.icon << pubKeyCredParams << timeout << excludeCredentials << authenticatorSelection << attestation << extensions;
}
template<class Decoder>
Optional<PublicKeyCredentialCreationOptions> PublicKeyCredentialCreationOptions::decode(Decoder& decoder)
{
PublicKeyCredentialCreationOptions result;
if (!decoder.decode(result.rp.id))
return WTF::nullopt;
if (!decoder.decode(result.rp.name))
return WTF::nullopt;
if (!decoder.decode(result.rp.icon))
return WTF::nullopt;
if (!decoder.decode(result.user.idVector))
return WTF::nullopt;
if (!decoder.decode(result.user.displayName))
return WTF::nullopt;
if (!decoder.decode(result.user.name))
return WTF::nullopt;
if (!decoder.decode(result.user.icon))
return WTF::nullopt;
if (!decoder.decode(result.pubKeyCredParams))
return WTF::nullopt;
Optional<Optional<unsigned>> timeout;
decoder >> timeout;
if (!timeout)
return WTF::nullopt;
result.timeout = WTFMove(*timeout);
if (!decoder.decode(result.excludeCredentials))
return WTF::nullopt;
Optional<Optional<AuthenticatorSelectionCriteria>> authenticatorSelection;
decoder >> authenticatorSelection;
if (!authenticatorSelection)
return WTF::nullopt;
result.authenticatorSelection = WTFMove(*authenticatorSelection);
Optional<AttestationConveyancePreference> attestation;
decoder >> attestation;
if (!attestation)
return WTF::nullopt;
result.attestation = WTFMove(*attestation);
Optional<Optional<AuthenticationExtensionsClientInputs>> extensions;
decoder >> extensions;
if (!extensions)
return WTF::nullopt;
result.extensions = WTFMove(*extensions);
return result;
}
} // namespace WebCore
namespace WTF {
template<> struct EnumTraits<WebCore::PublicKeyCredentialCreationOptions::AuthenticatorAttachment> {
using values = EnumValues<
WebCore::PublicKeyCredentialCreationOptions::AuthenticatorAttachment,
WebCore::PublicKeyCredentialCreationOptions::AuthenticatorAttachment::Platform,
WebCore::PublicKeyCredentialCreationOptions::AuthenticatorAttachment::CrossPlatform
>;
};
} // namespace WTF
#endif // ENABLE(WEB_AUTHN)