| /* |
| * 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 "Authenticator.h" |
| #include "LocalConnection.h" |
| #include <wtf/UniqueRef.h> |
| |
| OBJC_CLASS LAContext; |
| |
| namespace WebKit { |
| |
| class LocalAuthenticator final : public Authenticator { |
| public: |
| // Here is the FSM. |
| // MakeCredential: Init => RequestReceived => PolicyDecided => UserVerified => (Attested) => End |
| // GetAssertion: Init => RequestReceived => ResponseSelected => UserVerified => End |
| enum class State { |
| Init, |
| RequestReceived, |
| UserVerified, |
| Attested, |
| ResponseSelected, |
| PolicyDecided, |
| }; |
| |
| static Ref<LocalAuthenticator> create(UniqueRef<LocalConnection>&& connection) |
| { |
| return adoptRef(*new LocalAuthenticator(WTFMove(connection))); |
| } |
| |
| private: |
| explicit LocalAuthenticator(UniqueRef<LocalConnection>&&); |
| |
| void makeCredential() final; |
| void continueMakeCredentialAfterDecidePolicy(LocalAuthenticatorPolicy); |
| void continueMakeCredentialAfterUserVerification(SecAccessControlRef, LocalConnection::UserVerification, LAContext *); |
| void continueMakeCredentialAfterAttested(Vector<uint8_t>&& credentialId, Vector<uint8_t>&& authData, NSArray *certificates, NSError *); |
| |
| void getAssertion() final; |
| void continueGetAssertionAfterResponseSelected(Ref<WebCore::AuthenticatorAssertionResponse>&&); |
| void continueGetAssertionAfterUserVerification(Ref<WebCore::AuthenticatorAssertionResponse>&&, LocalConnection::UserVerification, LAContext *); |
| |
| void receiveException(WebCore::ExceptionData&&, WebAuthenticationStatus = WebAuthenticationStatus::LAError) const; |
| void deleteDuplicateCredential() const; |
| |
| State m_state { State::Init }; |
| UniqueRef<LocalConnection> m_connection; |
| // FIXME(183534): Combine these two. |
| HashSet<Ref<WebCore::AuthenticatorAssertionResponse>> m_assertionResponses; |
| Vector<Ref<WebCore::AuthenticatorAssertionResponse>> m_existingCredentials; |
| }; |
| |
| } // namespace WebKit |
| |
| #endif // ENABLE(WEB_AUTHN) |