1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233
|
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/modules/payments/secure_payment_confirmation_helper.h"
#include <stdint.h>
#include "base/logging.h"
#include "third_party/blink/public/mojom/payments/payment_request.mojom-blink.h"
#include "third_party/blink/renderer/bindings/core/v8/native_value_traits_impl.h"
#include "third_party/blink/renderer/bindings/core/v8/v8_union_arraybuffer_arraybufferview.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_network_or_issuer_information.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_payment_credential_instrument.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_payment_entity_logo.h"
#include "third_party/blink/renderer/bindings/modules/v8/v8_secure_payment_confirmation_request.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/modules/payments/secure_payment_confirmation_type_converter.h"
#include "third_party/blink/renderer/platform/bindings/exception_state.h"
#include "third_party/blink/renderer/platform/weborigin/kurl.h"
#include "third_party/blink/renderer/platform/wtf/text/strcat.h"
namespace blink {
namespace {
// The maximum size of the payment instrument details string. Arbitrarily chosen
// while being much larger than any reasonable input.
constexpr size_t kMaxInstrumentDetailsLength = 4096;
bool IsEmpty(const V8UnionArrayBufferOrArrayBufferView* buffer) {
DCHECK(buffer);
switch (buffer->GetContentType()) {
case V8BufferSource::ContentType::kArrayBuffer:
return buffer->GetAsArrayBuffer()->ByteLength() == 0;
case V8BufferSource::ContentType::kArrayBufferView:
return buffer->GetAsArrayBufferView()->byteLength() == 0;
}
}
// Determine whether an RP ID is a 'valid domain' as per the URL spec:
// https://url.spec.whatwg.org/#valid-domain
//
// TODO(crbug.com/1354209): This is a workaround to a lack of support for 'valid
// domain's in the //url code.
bool IsValidDomain(const String& rp_id) {
// A valid domain, such as 'site.example', should be a URL host (and nothing
// more of the URL!) that is not an IP address.
KURL url(StrCat({"https://", rp_id}));
return url.IsValid() && url.Host() == rp_id &&
!url::HostIsIPAddress(url.Host().Utf8());
}
} // namespace
// static
::payments::mojom::blink::SecurePaymentConfirmationRequestPtr
SecurePaymentConfirmationHelper::ParseSecurePaymentConfirmationData(
const ScriptValue& input,
ExecutionContext& execution_context,
ExceptionState& exception_state) {
DCHECK(!input.IsEmpty());
SecurePaymentConfirmationRequest* request =
NativeValueTraits<SecurePaymentConfirmationRequest>::NativeValue(
input.GetIsolate(), input.V8Value(), exception_state);
if (exception_state.HadException())
return nullptr;
if (request->credentialIds().empty()) {
exception_state.ThrowRangeError(
"The \"secure-payment-confirmation\" method requires a non-empty "
"\"credentialIds\" field.");
return nullptr;
}
for (const V8UnionArrayBufferOrArrayBufferView* id :
request->credentialIds()) {
if (IsEmpty(id)) {
exception_state.ThrowRangeError(
"The \"secure-payment-confirmation\" method requires that elements "
"in the \"credentialIds\" field are non-empty.");
return nullptr;
}
}
if (IsEmpty(request->challenge())) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires a non-empty "
"\"challenge\" field.");
return nullptr;
}
if (request->instrument()->displayName().empty()) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires a non-empty "
"\"instrument.displayName\" field.");
return nullptr;
}
if (request->instrument()->icon().empty()) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires a non-empty "
"\"instrument.icon\" field.");
return nullptr;
}
if (!KURL(request->instrument()->icon()).IsValid()) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires a valid URL in "
"the \"instrument.icon\" field.");
return nullptr;
}
if (request->instrument()->hasDetails() &&
request->instrument()->details().length() > kMaxInstrumentDetailsLength) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires the string "
"length in the \"instrument.details\" field to be at most 4096.");
return nullptr;
}
if (!IsValidDomain(request->rpId())) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires a valid domain "
"in the \"rpId\" field.");
return nullptr;
}
if ((!request->hasPayeeOrigin() && !request->hasPayeeName()) ||
(request->hasPayeeOrigin() && request->payeeOrigin().empty()) ||
(request->hasPayeeName() && request->payeeName().empty())) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires a non-empty "
"\"payeeOrigin\" or \"payeeName\" field.");
return nullptr;
}
if (request->hasPayeeOrigin()) {
KURL payee_url(request->payeeOrigin());
if (!payee_url.IsValid() || !payee_url.ProtocolIs("https")) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires a valid HTTPS "
"URL in the \"payeeOrigin\" field.");
return nullptr;
}
}
// Opt Out should only be carried through if the flag is enabled.
if (request->hasShowOptOut() &&
!blink::RuntimeEnabledFeatures::SecurePaymentConfirmationOptOutEnabled(
&execution_context)) {
request->setShowOptOut(false);
}
if (request->hasNetworkInfo()) {
if (request->networkInfo()->name().empty()) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires a non-empty "
"\"networkInfo.name\" field.");
return nullptr;
}
if (request->networkInfo()->icon().empty()) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires a non-empty "
"\"networkInfo.icon\" field.");
return nullptr;
}
if (!KURL(request->networkInfo()->icon()).IsValid()) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires a valid URL in "
"the \"networkInfo.icon\" field.");
return nullptr;
}
}
if (request->hasIssuerInfo()) {
if (request->issuerInfo()->name().empty()) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires a non-empty "
"\"issuerInfo.name\" field.");
return nullptr;
}
if (request->issuerInfo()->icon().empty()) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires a non-empty "
"\"issuerInfo.icon\" field.");
return nullptr;
}
if (!KURL(request->issuerInfo()->icon()).IsValid()) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires a valid URL in "
"the \"issuerInfo.icon\" field.");
return nullptr;
}
}
if (request->hasPaymentEntitiesLogos()) {
for (const PaymentEntityLogo* logo : request->paymentEntitiesLogos()) {
// The IDL bindings code does not allow the sequence to contain null
// entries.
CHECK(logo);
if (logo->url().empty()) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires that each "
"entry in \"paymentEntitiesLogos\" has a non-empty \"url\" field.");
return nullptr;
}
KURL logo_url(logo->url());
if (!logo_url.IsValid()) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires that each "
"entry in \"paymentEntitiesLogos\" has a valid URL in the \"url\" "
"field.");
return nullptr;
}
if (!logo_url.ProtocolIsInHTTPFamily() && !logo_url.ProtocolIsData()) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires that each "
"entry in \"paymentEntitiesLogos\" has a URL whose scheme is one "
"of \"https\", \"http\", or \"data\" in the \"url\" field.");
return nullptr;
}
if (logo->label().empty()) {
exception_state.ThrowTypeError(
"The \"secure-payment-confirmation\" method requires that each "
"entry in \"paymentEntitiesLogos\" has a non-empty \"label\" "
"field.");
return nullptr;
}
}
}
return mojo::ConvertTo<
payments::mojom::blink::SecurePaymentConfirmationRequestPtr>(request);
}
} // namespace blink
|