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/*
* Copyright (C) 2017 Google Inc. All rights reserved.
* Copyright (C) 2017 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 "CredentialsContainer.h"
#if ENABLE(WEB_AUTHN)
#include "AbortSignal.h"
#include "CredentialCreationOptions.h"
#include "CredentialRequestOptions.h"
#include "Document.h"
#include "ExceptionOr.h"
#include "JSDOMPromiseDeferred.h"
#include "Page.h"
#include "SecurityOrigin.h"
#include "WebAuthenticationConstants.h"
namespace WebCore {
CredentialsContainer::CredentialsContainer(WeakPtr<Document, WeakPtrImplWithEventTargetData>&& document)
: m_document(WTFMove(document))
{
}
ScopeAndCrossOriginParent CredentialsContainer::scopeAndCrossOriginParent() const
{
if (!m_document)
return std::pair { WebAuthn::Scope::CrossOrigin, std::nullopt };
bool isSameSite = true;
auto& origin = m_document->securityOrigin();
auto& url = m_document->url();
std::optional<SecurityOriginData> crossOriginParent;
for (auto* document = m_document->parentDocument(); document; document = document->parentDocument()) {
if (!origin.isSameOriginDomain(document->securityOrigin()) && !areRegistrableDomainsEqual(url, document->url()))
isSameSite = false;
if (!crossOriginParent && !origin.isSameOriginAs(document->securityOrigin()))
crossOriginParent = origin.data();
}
if (!crossOriginParent)
return std::pair { WebAuthn::Scope::SameOrigin, std::nullopt };
if (isSameSite)
return std::pair { WebAuthn::Scope::SameSite, std::nullopt };
return std::pair { WebAuthn::Scope::CrossOrigin, crossOriginParent };
}
void CredentialsContainer::get(CredentialRequestOptions&& options, CredentialPromise&& promise)
{
// The following implements https://www.w3.org/TR/credential-management-1/#algorithm-request as of 4 August 2017
// with enhancement from 14 November 2017 Editor's Draft.
if (!m_document || !m_document->page()) {
promise.reject(Exception { NotSupportedError });
return;
}
if (options.signal && options.signal->aborted()) {
promise.reject(Exception { AbortError, "Aborted by AbortSignal."_s });
return;
}
// Step 1-2.
ASSERT(m_document->isSecureContext());
// Step 3 is enhanced with doesHaveSameOriginAsItsAncestors.
// Step 4-6. Shortcut as we only support PublicKeyCredential which can only
// be requested from [[discoverFromExternalSource]].
if (!options.publicKey) {
promise.reject(Exception { NotSupportedError, "Only PublicKeyCredential is supported."_s });
return;
}
// The request will be aborted in WebAuthenticatorCoordinatorProxy if conditional mediation is not available.
if (options.mediation != CredentialRequestOptions::MediationRequirement::Conditional && !m_document->hasFocus()) {
promise.reject(Exception { NotAllowedError, "The document is not focused."_s });
return;
}
m_document->page()->authenticatorCoordinator().discoverFromExternalSource(*m_document, WTFMove(options), scopeAndCrossOriginParent(), WTFMove(promise));
}
void CredentialsContainer::store(const BasicCredential&, CredentialPromise&& promise)
{
promise.reject(Exception { NotSupportedError, "Not implemented."_s });
}
void CredentialsContainer::isCreate(CredentialCreationOptions&& options, CredentialPromise&& promise)
{
// The following implements https://www.w3.org/TR/credential-management-1/#algorithm-create as of 4 August 2017
// with enhancement from 14 November 2017 Editor's Draft.
if (!m_document || !m_document->page()) {
promise.reject(Exception { NotSupportedError });
return;
}
if (options.signal && options.signal->aborted()) {
promise.reject(Exception { AbortError, "Aborted by AbortSignal."_s });
return;
}
// Step 1-2.
ASSERT(m_document->isSecureContext());
// Step 3-7. Shortcut as we only support one kind of credentials.
if (!options.publicKey) {
promise.reject(Exception { NotSupportedError, "Only PublicKeyCredential is supported."_s });
return;
}
// Extra.
if (!m_document->hasFocus()) {
promise.reject(Exception { NotAllowedError, "The document is not focused."_s });
return;
}
m_document->page()->authenticatorCoordinator().create(*m_document, options.publicKey.value(), scopeAndCrossOriginParent().first, WTFMove(options.signal), WTFMove(promise));
}
void CredentialsContainer::preventSilentAccess(DOMPromiseDeferred<void>&& promise) const
{
promise.resolve();
}
} // namespace WebCore
#endif // ENABLE(WEB_AUTHN)
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