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/*
* Copyright (C) 2017-2019 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 "PaymentSession.h"
#if ENABLE(APPLE_PAY)
#include "Document.h"
#include "DocumentLoader.h"
#include "FeaturePolicy.h"
#include "Page.h"
#include "PaymentCoordinator.h"
#include "SecurityOrigin.h"
namespace WebCore {
static bool isSecure(DocumentLoader& documentLoader)
{
if (!documentLoader.response().url().protocolIs("https"))
return false;
if (!documentLoader.response().certificateInfo() || documentLoader.response().certificateInfo()->containsNonRootSHA1SignedCertificate())
return false;
return true;
}
ExceptionOr<void> PaymentSession::canCreateSession(Document& document)
{
if (!isFeaturePolicyAllowedByDocumentAndAllOwners(FeaturePolicy::Type::Payment, document, LogFeaturePolicyFailure::Yes))
return Exception { SecurityError, "Third-party iframes are not allowed to request payments unless explicitly allowed via Feature-Policy (payment)"_s };
if (!document.frame())
return Exception { InvalidAccessError, "Trying to start an Apple Pay session from an inactive document." };
if (!isSecure(*document.loader()))
return Exception { InvalidAccessError, "Trying to start an Apple Pay session from an insecure document." };
auto& topDocument = document.topDocument();
if (&document != &topDocument) {
auto& topOrigin = topDocument.topOrigin();
if (!document.securityOrigin().isSameSchemeHostPort(topOrigin))
return Exception { InvalidAccessError, "Trying to start an Apple Pay session from a document with an different security origin than its top-level frame." };
for (auto* ancestorDocument = document.parentDocument(); ancestorDocument != &topDocument; ancestorDocument = ancestorDocument->parentDocument()) {
if (!isSecure(*ancestorDocument->loader()))
return Exception { InvalidAccessError, "Trying to start an Apple Pay session from a document with an insecure parent frame." };
if (!ancestorDocument->securityOrigin().isSameSchemeHostPort(topOrigin))
return Exception { InvalidAccessError, "Trying to start an Apple Pay session from a document with an different security origin than its top-level frame." };
}
}
return { };
}
bool PaymentSession::enabledForContext(ScriptExecutionContext& context)
{
auto& document = downcast<Document>(context);
if (auto page = document.page())
return page->paymentCoordinator().shouldEnableApplePayAPIs(document);
return false;
}
} // namespace WebCore
#endif // ENABLE(APPLE_PAY)