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/*
* Copyright (C) 2018-2021 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.
*/
#include "config.h"
#include "WebAuthenticatorCoordinatorProxy.h"
#if ENABLE(WEB_AUTHN)
#include "APIUIClient.h"
#include "AuthenticatorManager.h"
#include "LocalService.h"
#include "WebAuthenticationFlags.h"
#include "WebAuthenticatorCoordinatorProxyMessages.h"
#include "WebPageProxy.h"
#include "WebProcessProxy.h"
#include "WebsiteDataStore.h"
#include <WebCore/AuthenticatorResponseData.h>
#include <WebCore/ExceptionData.h>
#include <WebCore/SecurityOriginData.h>
#include <wtf/MainThread.h>
#include <wtf/RunLoop.h>
namespace WebKit {
using namespace WebCore;
WebAuthenticatorCoordinatorProxy::WebAuthenticatorCoordinatorProxy(WebPageProxy& webPageProxy)
: m_webPageProxy(webPageProxy)
{
m_webPageProxy.process().addMessageReceiver(Messages::WebAuthenticatorCoordinatorProxy::messageReceiverName(), m_webPageProxy.webPageID(), *this);
}
WebAuthenticatorCoordinatorProxy::~WebAuthenticatorCoordinatorProxy()
{
#if HAVE(UNIFIED_ASC_AUTH_UI)
cancel();
#endif // HAVE(UNIFIED_ASC_AUTH_UI)
m_webPageProxy.process().removeMessageReceiver(Messages::WebAuthenticatorCoordinatorProxy::messageReceiverName(), m_webPageProxy.webPageID());
}
void WebAuthenticatorCoordinatorProxy::makeCredential(FrameIdentifier frameId, FrameInfoData&& frameInfo, Vector<uint8_t>&& hash, PublicKeyCredentialCreationOptions&& options, bool processingUserGesture, RequestCompletionHandler&& handler)
{
handleRequest({ WTFMove(hash), WTFMove(options), m_webPageProxy, WebAuthenticationPanelResult::Unavailable, nullptr, GlobalFrameIdentifier { m_webPageProxy.webPageID(), frameId }, WTFMove(frameInfo), processingUserGesture, String(), nullptr, std::nullopt, std::nullopt }, WTFMove(handler));
}
void WebAuthenticatorCoordinatorProxy::getAssertion(FrameIdentifier frameId, FrameInfoData&& frameInfo, Vector<uint8_t>&& hash, PublicKeyCredentialRequestOptions&& options, MediationRequirement mediation, std::optional<WebCore::SecurityOriginData> parentOrigin, bool processingUserGesture, RequestCompletionHandler&& handler)
{
handleRequest({ WTFMove(hash), WTFMove(options), m_webPageProxy, WebAuthenticationPanelResult::Unavailable, nullptr, GlobalFrameIdentifier { m_webPageProxy.webPageID(), frameId }, WTFMove(frameInfo), processingUserGesture, String(), nullptr, mediation, parentOrigin }, WTFMove(handler));
}
void WebAuthenticatorCoordinatorProxy::handleRequest(WebAuthenticationRequestData&& data, RequestCompletionHandler&& handler)
{
auto origin = API::SecurityOrigin::create(data.frameInfo.securityOrigin.protocol, data.frameInfo.securityOrigin.host, data.frameInfo.securityOrigin.port);
CompletionHandler<void(bool)> afterConsent = [this, data = WTFMove(data), handler = WTFMove(handler)] (bool result) mutable {
auto& authenticatorManager = m_webPageProxy.websiteDataStore().authenticatorManager();
if (result) {
#if HAVE(UNIFIED_ASC_AUTH_UI)
if (!authenticatorManager.isMock() && !authenticatorManager.isVirtual()) {
auto context = contextForRequest(WTFMove(data));
if (context.get() == nullptr) {
handler({ }, (AuthenticatorAttachment)0, ExceptionData { NotAllowedError, "The origin of the document is not the same as its ancestors."_s });
return;
}
// performRequest calls out to ASCAgent which will then call [_WKWebAuthenticationPanel makeCredential/getAssertionWithChallenge]
// which calls authenticatorManager.handleRequest(..)
performRequest(context, WTFMove(handler));
return;
}
#else
if (data.parentOrigin && !authenticatorManager.isMock() && !authenticatorManager.isVirtual()) {
handler({ }, (AuthenticatorAttachment)0, ExceptionData { NotAllowedError, "The origin of the document is not the same as its ancestors."_s });
return;
}
#endif // HAVE(UNIFIED_ASC_AUTH_UI)
authenticatorManager.handleRequest(WTFMove(data), [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({ }, (AuthenticatorAttachment)0, exception);
});
});
} else
handler({ }, (AuthenticatorAttachment)0, ExceptionData { NotAllowedError, "This request has been cancelled by the user."_s });
};
if (!data.processingUserGesture && data.mediation != MediationRequirement::Conditional && !m_webPageProxy.websiteDataStore().authenticatorManager().isVirtual())
m_webPageProxy.uiClient().requestWebAuthenticationNoGesture(origin, WTFMove(afterConsent));
else
afterConsent(true);
}
#if !HAVE(UNIFIED_ASC_AUTH_UI)
void WebAuthenticatorCoordinatorProxy::isUserVerifyingPlatformAuthenticatorAvailable(QueryCompletionHandler&& handler)
{
handler(LocalService::isAvailable());
}
void WebAuthenticatorCoordinatorProxy::isConditionalMediationAvailable(QueryCompletionHandler&& handler)
{
handler(false);
}
#endif // !HAVE(UNIFIED_ASC_AUTH_UI)
} // namespace WebKit
#endif // ENABLE(WEB_AUTHN)
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