Source/WebKit/WebAuthnProcess/WebAuthnConnectionToWebProcess.cpp

/*
 * Copyright (C) 2020-2021 Apple Inc. All rights reserved.
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#include "config.h"
#include "WebAuthnConnectionToWebProcess.h"

#if ENABLE(WEB_AUTHN)

#include "AuthenticatorManager.h"
#include "LocalService.h"
#include "WebAuthnProcess.h"
#include <WebCore/AuthenticatorResponseData.h>

namespace WebKit {
using namespace WebCore;

Ref<WebAuthnConnectionToWebProcess> WebAuthnConnectionToWebProcess::create(WebAuthnProcess& WebAuthnProcess, WebCore::ProcessIdentifier webProcessIdentifier, IPC::Connection::Identifier connectionIdentifier)
{
    return adoptRef(*new WebAuthnConnectionToWebProcess(WebAuthnProcess, webProcessIdentifier, connectionIdentifier));
}

WebAuthnConnectionToWebProcess::WebAuthnConnectionToWebProcess(WebAuthnProcess& WebAuthnProcess, WebCore::ProcessIdentifier webProcessIdentifier, IPC::Connection::Identifier connectionIdentifier)
    : m_connection(IPC::Connection::createServerConnection(connectionIdentifier, *this))
    , m_WebAuthnProcess(WebAuthnProcess)
    , m_webProcessIdentifier(webProcessIdentifier)
{
    RELEASE_ASSERT(RunLoop::isMain());
    m_connection->open();
}

WebAuthnConnectionToWebProcess::~WebAuthnConnectionToWebProcess()
{
    RELEASE_ASSERT(RunLoop::isMain());

    m_connection->invalidate();
}

void WebAuthnConnectionToWebProcess::didClose(IPC::Connection&)
{
}

void WebAuthnConnectionToWebProcess::didReceiveInvalidMessage(IPC::Connection& connection, IPC::MessageName messageName)
{
    WTFLogAlways("Received an invalid message \"%s\" from the web process.\n", description(messageName));
    CRASH();
}

void WebAuthnConnectionToWebProcess::makeCredential(Vector<uint8_t>&& hash, PublicKeyCredentialCreationOptions&& options, bool processingUserGesture, RequestCompletionHandler&& handler)
{
    handleRequest({ WTFMove(hash), WTFMove(options), nullptr, WebAuthenticationPanelResult::Unavailable, nullptr, std::nullopt, { }, processingUserGesture, String(), nullptr }, WTFMove(handler));
}

void WebAuthnConnectionToWebProcess::getAssertion(Vector<uint8_t>&& hash, PublicKeyCredentialRequestOptions&& options, bool processingUserGesture, RequestCompletionHandler&& handler)
{
    handleRequest({ WTFMove(hash), WTFMove(options), nullptr, WebAuthenticationPanelResult::Unavailable, nullptr, std::nullopt, { }, processingUserGesture, String(), nullptr }, WTFMove(handler));
}

void WebAuthnConnectionToWebProcess::handleRequest(WebAuthenticationRequestData&& data, RequestCompletionHandler&& handler)
{
    auto callback = [handler = WTFMove(handler)] (std::variant<Ref<AuthenticatorResponse>, ExceptionData>&& result) mutable {
        ASSERT(RunLoop::isMain());
        WTF::switchOn(result, [&](const Ref<AuthenticatorResponse>& response) {
            handler(response->data(), response->attachment(), { });
        }, [&](const ExceptionData& exception) {
            handler({ }, static_cast<AuthenticatorAttachment>(0), exception);
        });
    };
    m_WebAuthnProcess->authenticatorManager().handleRequest(WTFMove(data), WTFMove(callback));
}

void WebAuthnConnectionToWebProcess::isUserVerifyingPlatformAuthenticatorAvailable(QueryCompletionHandler&& handler)
{
    handler(LocalService::isAvailable());
}

void WebAuthnConnectionToWebProcess::setMockWebAuthenticationConfiguration(WebCore::MockWebAuthenticationConfiguration&& configuration)
{
    m_WebAuthnProcess->setMockWebAuthenticationConfiguration(WTFMove(configuration));
}

} // namespace WebKit

#endif // ENABLE(WEB_AUTHN)