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/*
* Copyright (C) 2015, 2016 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 "PaymentRequestValidator.h"
#if ENABLE(APPLE_PAY)
#include "ExceptionCode.h"
#include "PaymentRequest.h"
#include <unicode/ucurr.h>
#include <unicode/uloc.h>
namespace WebCore {
static ExceptionOr<void> validateCountryCode(const String&);
static ExceptionOr<void> validateCurrencyCode(const String&);
static ExceptionOr<void> validateMerchantCapabilities(const PaymentRequest::MerchantCapabilities&);
static ExceptionOr<void> validateSupportedNetworks(const Vector<String>&);
static ExceptionOr<void> validateShippingMethods(const Vector<PaymentRequest::ShippingMethod>&);
static ExceptionOr<void> validateShippingMethod(const PaymentRequest::ShippingMethod&);
ExceptionOr<void> PaymentRequestValidator::validate(const PaymentRequest& paymentRequest)
{
auto validatedCountryCode = validateCountryCode(paymentRequest.countryCode());
if (validatedCountryCode.hasException())
return validatedCountryCode.releaseException();
auto validatedCurrencyCode = validateCurrencyCode(paymentRequest.currencyCode());
if (validatedCurrencyCode.hasException())
return validatedCurrencyCode.releaseException();
auto validatedSupportedNetworks = validateSupportedNetworks(paymentRequest.supportedNetworks());
if (validatedSupportedNetworks.hasException())
return validatedSupportedNetworks.releaseException();
auto validatedMerchantCapabilities = validateMerchantCapabilities(paymentRequest.merchantCapabilities());
if (validatedMerchantCapabilities.hasException())
return validatedMerchantCapabilities.releaseException();
auto validatedTotal = validateTotal(paymentRequest.total());
if (validatedTotal.hasException())
return validatedTotal.releaseException();
auto validatedShippingMethods = validateShippingMethods(paymentRequest.shippingMethods());
if (validatedShippingMethods.hasException())
return validatedShippingMethods.releaseException();
return { };
}
ExceptionOr<void> PaymentRequestValidator::validateTotal(const PaymentRequest::LineItem& total)
{
if (!total.label)
return Exception { TypeError, "Missing total label." };
if (!total.amount)
return Exception { TypeError, "Missing total amount." };
if (*total.amount <= 0)
return Exception { TypeError, "Total amount must be greater than zero." };
if (*total.amount > 10000000000)
return Exception { TypeError, "Total amount is too big." };
return { };
}
static ExceptionOr<void> validateCountryCode(const String& countryCode)
{
if (!countryCode)
return Exception { TypeError, "Missing country code." };
for (auto *countryCodePtr = uloc_getISOCountries(); *countryCodePtr; ++countryCodePtr) {
if (countryCode == *countryCodePtr)
return { };
}
return Exception { TypeError, makeString("\"" + countryCode, "\" is not a valid country code.") };
}
static ExceptionOr<void> validateCurrencyCode(const String& currencyCode)
{
if (!currencyCode)
return Exception { TypeError, "Missing currency code." };
UErrorCode errorCode = U_ZERO_ERROR;
auto currencyCodes = std::unique_ptr<UEnumeration, void (*)(UEnumeration*)>(ucurr_openISOCurrencies(UCURR_ALL, &errorCode), uenum_close);
int32_t length;
while (auto *currencyCodePtr = uenum_next(currencyCodes.get(), &length, &errorCode)) {
if (currencyCodePtr == currencyCode)
return { };
}
return Exception { TypeError, makeString("\"" + currencyCode, "\" is not a valid currency code.") };
}
static ExceptionOr<void> validateMerchantCapabilities(const PaymentRequest::MerchantCapabilities& merchantCapabilities)
{
if (!merchantCapabilities.supports3DS && !merchantCapabilities.supportsEMV && !merchantCapabilities.supportsCredit && !merchantCapabilities.supportsDebit)
return Exception { TypeError, "Missing merchant capabilities." };
return { };
}
static ExceptionOr<void> validateSupportedNetworks(const Vector<String>& supportedNetworks)
{
if (supportedNetworks.isEmpty())
return Exception { TypeError, "Missing supported networks." };
return { };
}
static ExceptionOr<void> validateShippingMethod(const PaymentRequest::ShippingMethod& shippingMethod)
{
if (shippingMethod.amount < 0)
return Exception { TypeError, "Shipping method amount must be greater than or equal to zero." };
return { };
}
static ExceptionOr<void> validateShippingMethods(const Vector<PaymentRequest::ShippingMethod>& shippingMethods)
{
for (const auto& shippingMethod : shippingMethods) {
auto validatedShippingMethod = validateShippingMethod(shippingMethod);
if (validatedShippingMethod.hasException())
return validatedShippingMethod.releaseException();
}
return { };
}
}
#endif
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