| 1 | /* |
| 2 | * Copyright (C) 2017-2019 Apple Inc. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| 14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| 17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 23 | * THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #include "config.h" |
| 27 | #include "PaymentRequest.h" |
| 28 | |
| 29 | #if ENABLE(PAYMENT_REQUEST) |
| 30 | |
| 31 | #include "ApplePayPaymentHandler.h" |
| 32 | #include "Document.h" |
| 33 | #include "EventNames.h" |
| 34 | #include "JSDOMPromise.h" |
| 35 | #include "JSPaymentDetailsUpdate.h" |
| 36 | #include "JSPaymentResponse.h" |
| 37 | #include "Page.h" |
| 38 | #include "PaymentAddress.h" |
| 39 | #include "PaymentCoordinator.h" |
| 40 | #include "PaymentCurrencyAmount.h" |
| 41 | #include "PaymentDetailsInit.h" |
| 42 | #include "PaymentHandler.h" |
| 43 | #include "PaymentMethodChangeEvent.h" |
| 44 | #include "PaymentMethodData.h" |
| 45 | #include "PaymentOptions.h" |
| 46 | #include "PaymentRequestUpdateEvent.h" |
| 47 | #include "PaymentValidationErrors.h" |
| 48 | #include "ScriptController.h" |
| 49 | #include <JavaScriptCore/JSONObject.h> |
| 50 | #include <JavaScriptCore/ThrowScope.h> |
| 51 | #include <wtf/ASCIICType.h> |
| 52 | #include <wtf/IsoMallocInlines.h> |
| 53 | #include <wtf/RunLoop.h> |
| 54 | #include <wtf/Scope.h> |
| 55 | #include <wtf/UUID.h> |
| 56 | |
| 57 | namespace WebCore { |
| 58 | |
| 59 | WTF_MAKE_ISO_ALLOCATED_IMPL(PaymentRequest); |
| 60 | |
| 61 | // Implements the IsWellFormedCurrencyCode abstract operation from ECMA 402 |
| 62 | // https://tc39.github.io/ecma402/#sec-iswellformedcurrencycode |
| 63 | static bool isWellFormedCurrencyCode(const String& currency) |
| 64 | { |
| 65 | if (currency.length() == 3) |
| 66 | return currency.isAllSpecialCharacters<isASCIIAlpha>(); |
| 67 | return false; |
| 68 | } |
| 69 | |
| 70 | // Implements the "valid decimal monetary value" validity checker |
| 71 | // https://www.w3.org/TR/payment-request/#dfn-valid-decimal-monetary-value |
| 72 | static bool isValidDecimalMonetaryValue(StringView value) |
| 73 | { |
| 74 | enum class State { |
| 75 | Start, |
| 76 | Sign, |
| 77 | Digit, |
| 78 | Dot, |
| 79 | DotDigit, |
| 80 | }; |
| 81 | |
| 82 | auto state = State::Start; |
| 83 | for (auto character : value.codeUnits()) { |
| 84 | switch (state) { |
| 85 | case State::Start: |
| 86 | if (character == '-') { |
| 87 | state = State::Sign; |
| 88 | break; |
| 89 | } |
| 90 | |
| 91 | if (isASCIIDigit(character)) { |
| 92 | state = State::Digit; |
| 93 | break; |
| 94 | } |
| 95 | |
| 96 | return false; |
| 97 | |
| 98 | case State::Sign: |
| 99 | if (isASCIIDigit(character)) { |
| 100 | state = State::Digit; |
| 101 | break; |
| 102 | } |
| 103 | |
| 104 | return false; |
| 105 | |
| 106 | case State::Digit: |
| 107 | if (character == '.') { |
| 108 | state = State::Dot; |
| 109 | break; |
| 110 | } |
| 111 | |
| 112 | if (isASCIIDigit(character)) { |
| 113 | state = State::Digit; |
| 114 | break; |
| 115 | } |
| 116 | |
| 117 | return false; |
| 118 | |
| 119 | case State::Dot: |
| 120 | if (isASCIIDigit(character)) { |
| 121 | state = State::DotDigit; |
| 122 | break; |
| 123 | } |
| 124 | |
| 125 | return false; |
| 126 | |
| 127 | case State::DotDigit: |
| 128 | if (isASCIIDigit(character)) { |
| 129 | state = State::DotDigit; |
| 130 | break; |
| 131 | } |
| 132 | |
| 133 | return false; |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | if (state == State::Digit || state == State::DotDigit) |
| 138 | return true; |
| 139 | |
| 140 | return false; |
| 141 | } |
| 142 | |
| 143 | // Implements the "check and canonicalize amount" validity checker |
| 144 | // https://www.w3.org/TR/payment-request/#dfn-check-and-canonicalize-amount |
| 145 | static ExceptionOr<void> checkAndCanonicalizeAmount(PaymentCurrencyAmount& amount) |
| 146 | { |
| 147 | if (!isWellFormedCurrencyCode(amount.currency)) |
| 148 | return Exception { RangeError, makeString("\"" , amount.currency, "\" is not a valid currency code." ) }; |
| 149 | |
| 150 | if (!isValidDecimalMonetaryValue(amount.value)) |
| 151 | return Exception { TypeError, makeString("\"" , amount.value, "\" is not a valid decimal monetary value." ) }; |
| 152 | |
| 153 | amount.currency = amount.currency.convertToASCIIUppercase(); |
| 154 | return { }; |
| 155 | } |
| 156 | |
| 157 | // Implements the "check and canonicalize total" validity checker |
| 158 | // https://www.w3.org/TR/payment-request/#dfn-check-and-canonicalize-total |
| 159 | static ExceptionOr<void> checkAndCanonicalizeTotal(PaymentCurrencyAmount& total) |
| 160 | { |
| 161 | auto exception = checkAndCanonicalizeAmount(total); |
| 162 | if (exception.hasException()) |
| 163 | return exception; |
| 164 | |
| 165 | if (total.value[0] == '-') |
| 166 | return Exception { TypeError, "Total currency values cannot be negative."_s }; |
| 167 | |
| 168 | return { }; |
| 169 | } |
| 170 | |
| 171 | // Implements "validate a standardized payment method identifier" |
| 172 | // https://www.w3.org/TR/payment-method-id/#validity-0 |
| 173 | static bool isValidStandardizedPaymentMethodIdentifier(StringView identifier) |
| 174 | { |
| 175 | enum class State { |
| 176 | Start, |
| 177 | Hyphen, |
| 178 | LowerAlpha, |
| 179 | Digit, |
| 180 | }; |
| 181 | |
| 182 | auto state = State::Start; |
| 183 | for (auto character : identifier.codeUnits()) { |
| 184 | switch (state) { |
| 185 | case State::Start: |
| 186 | case State::Hyphen: |
| 187 | if (isASCIILower(character)) { |
| 188 | state = State::LowerAlpha; |
| 189 | break; |
| 190 | } |
| 191 | |
| 192 | return false; |
| 193 | |
| 194 | case State::LowerAlpha: |
| 195 | case State::Digit: |
| 196 | if (isASCIILower(character)) { |
| 197 | state = State::LowerAlpha; |
| 198 | break; |
| 199 | } |
| 200 | |
| 201 | if (isASCIIDigit(character)) { |
| 202 | state = State::Digit; |
| 203 | break; |
| 204 | } |
| 205 | |
| 206 | if (character == '-') { |
| 207 | state = State::Hyphen; |
| 208 | break; |
| 209 | } |
| 210 | |
| 211 | return false; |
| 212 | } |
| 213 | } |
| 214 | |
| 215 | return state == State::LowerAlpha || state == State::Digit; |
| 216 | } |
| 217 | |
| 218 | // Implements "validate a URL-based payment method identifier" |
| 219 | // https://www.w3.org/TR/payment-method-id/#validation |
| 220 | static bool isValidURLBasedPaymentMethodIdentifier(const URL& url) |
| 221 | { |
| 222 | if (!url.protocolIs("https" )) |
| 223 | return false; |
| 224 | |
| 225 | if (!url.user().isEmpty() || !url.pass().isEmpty()) |
| 226 | return false; |
| 227 | |
| 228 | return true; |
| 229 | } |
| 230 | |
| 231 | // Implements "validate a payment method identifier" |
| 232 | // https://www.w3.org/TR/payment-method-id/#validity |
| 233 | Optional<PaymentRequest::MethodIdentifier> convertAndValidatePaymentMethodIdentifier(const String& identifier) |
| 234 | { |
| 235 | URL url { URL(), identifier }; |
| 236 | if (!url.isValid()) { |
| 237 | if (isValidStandardizedPaymentMethodIdentifier(identifier)) |
| 238 | return { identifier }; |
| 239 | return WTF::nullopt; |
| 240 | } |
| 241 | |
| 242 | if (isValidURLBasedPaymentMethodIdentifier(url)) |
| 243 | return { WTFMove(url) }; |
| 244 | |
| 245 | return WTF::nullopt; |
| 246 | } |
| 247 | |
| 248 | enum class ShouldValidatePaymentMethodIdentifier { |
| 249 | No, |
| 250 | Yes, |
| 251 | }; |
| 252 | |
| 253 | static ExceptionOr<std::tuple<String, Vector<String>>> checkAndCanonicalizeDetails(JSC::ExecState& execState, PaymentDetailsBase& details, bool requestShipping, ShouldValidatePaymentMethodIdentifier shouldValidatePaymentMethodIdentifier) |
| 254 | { |
| 255 | for (auto& item : details.displayItems) { |
| 256 | auto exception = checkAndCanonicalizeAmount(item.amount); |
| 257 | if (exception.hasException()) |
| 258 | return exception.releaseException(); |
| 259 | } |
| 260 | |
| 261 | String selectedShippingOption; |
| 262 | if (requestShipping) { |
| 263 | HashSet<String> seenShippingOptionIDs; |
| 264 | for (auto& shippingOption : details.shippingOptions) { |
| 265 | auto exception = checkAndCanonicalizeAmount(shippingOption.amount); |
| 266 | if (exception.hasException()) |
| 267 | return exception.releaseException(); |
| 268 | |
| 269 | auto addResult = seenShippingOptionIDs.add(shippingOption.id); |
| 270 | if (!addResult.isNewEntry) |
| 271 | return Exception { TypeError, "Shipping option IDs must be unique." }; |
| 272 | |
| 273 | if (shippingOption.selected) |
| 274 | selectedShippingOption = shippingOption.id; |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | Vector<String> serializedModifierData; |
| 279 | serializedModifierData.reserveInitialCapacity(details.modifiers.size()); |
| 280 | for (auto& modifier : details.modifiers) { |
| 281 | if (shouldValidatePaymentMethodIdentifier == ShouldValidatePaymentMethodIdentifier::Yes) { |
| 282 | auto paymentMethodIdentifier = convertAndValidatePaymentMethodIdentifier(modifier.supportedMethods); |
| 283 | if (!paymentMethodIdentifier) |
| 284 | return Exception { RangeError, makeString('"', modifier.supportedMethods, "\" is an invalid payment method identifier." ) }; |
| 285 | } |
| 286 | |
| 287 | if (modifier.total) { |
| 288 | auto exception = checkAndCanonicalizeTotal(modifier.total->amount); |
| 289 | if (exception.hasException()) |
| 290 | return exception.releaseException(); |
| 291 | } |
| 292 | |
| 293 | for (auto& item : modifier.additionalDisplayItems) { |
| 294 | auto exception = checkAndCanonicalizeAmount(item.amount); |
| 295 | if (exception.hasException()) |
| 296 | return exception.releaseException(); |
| 297 | } |
| 298 | |
| 299 | String serializedData; |
| 300 | if (modifier.data) { |
| 301 | auto scope = DECLARE_THROW_SCOPE(execState.vm()); |
| 302 | serializedData = JSONStringify(&execState, modifier.data.get(), 0); |
| 303 | if (scope.exception()) |
| 304 | return Exception { ExistingExceptionError }; |
| 305 | modifier.data.clear(); |
| 306 | } |
| 307 | serializedModifierData.uncheckedAppend(WTFMove(serializedData)); |
| 308 | } |
| 309 | |
| 310 | return std::make_tuple(WTFMove(selectedShippingOption), WTFMove(serializedModifierData)); |
| 311 | } |
| 312 | |
| 313 | // Implements the PaymentRequest Constructor |
| 314 | // https://www.w3.org/TR/payment-request/#constructor |
| 315 | ExceptionOr<Ref<PaymentRequest>> PaymentRequest::create(Document& document, Vector<PaymentMethodData>&& methodData, PaymentDetailsInit&& details, PaymentOptions&& options) |
| 316 | { |
| 317 | auto canCreateSession = PaymentHandler::canCreateSession(document); |
| 318 | if (canCreateSession.hasException()) |
| 319 | return canCreateSession.releaseException(); |
| 320 | |
| 321 | if (details.id.isNull()) |
| 322 | details.id = createCanonicalUUIDString(); |
| 323 | |
| 324 | if (methodData.isEmpty()) |
| 325 | return Exception { TypeError, "At least one payment method is required."_s }; |
| 326 | |
| 327 | Vector<Method> serializedMethodData; |
| 328 | serializedMethodData.reserveInitialCapacity(methodData.size()); |
| 329 | for (auto& paymentMethod : methodData) { |
| 330 | auto identifier = convertAndValidatePaymentMethodIdentifier(paymentMethod.supportedMethods); |
| 331 | if (!identifier) |
| 332 | return Exception { RangeError, makeString('"', paymentMethod.supportedMethods, "\" is an invalid payment method identifier." ) }; |
| 333 | |
| 334 | String serializedData; |
| 335 | if (paymentMethod.data) { |
| 336 | auto scope = DECLARE_THROW_SCOPE(document.execState()->vm()); |
| 337 | serializedData = JSONStringify(document.execState(), paymentMethod.data.get(), 0); |
| 338 | if (scope.exception()) |
| 339 | return Exception { ExistingExceptionError }; |
| 340 | } |
| 341 | serializedMethodData.uncheckedAppend({ WTFMove(*identifier), WTFMove(serializedData) }); |
| 342 | } |
| 343 | |
| 344 | auto totalResult = checkAndCanonicalizeTotal(details.total.amount); |
| 345 | if (totalResult.hasException()) |
| 346 | return totalResult.releaseException(); |
| 347 | |
| 348 | auto detailsResult = checkAndCanonicalizeDetails(*document.execState(), details, options.requestShipping, ShouldValidatePaymentMethodIdentifier::No); |
| 349 | if (detailsResult.hasException()) |
| 350 | return detailsResult.releaseException(); |
| 351 | |
| 352 | auto shippingOptionAndModifierData = detailsResult.releaseReturnValue(); |
| 353 | return adoptRef(*new PaymentRequest(document, WTFMove(options), WTFMove(details), WTFMove(std::get<1>(shippingOptionAndModifierData)), WTFMove(serializedMethodData), WTFMove(std::get<0>(shippingOptionAndModifierData)))); |
| 354 | } |
| 355 | |
| 356 | bool PaymentRequest::enabledForContext(ScriptExecutionContext& context) |
| 357 | { |
| 358 | return PaymentHandler::enabledForContext(context); |
| 359 | } |
| 360 | |
| 361 | PaymentRequest::PaymentRequest(Document& document, PaymentOptions&& options, PaymentDetailsInit&& details, Vector<String>&& serializedModifierData, Vector<Method>&& serializedMethodData, String&& selectedShippingOption) |
| 362 | : ActiveDOMObject { document } |
| 363 | , m_options { WTFMove(options) } |
| 364 | , m_details { WTFMove(details) } |
| 365 | , m_serializedModifierData { WTFMove(serializedModifierData) } |
| 366 | , m_serializedMethodData { WTFMove(serializedMethodData) } |
| 367 | , m_shippingOption { WTFMove(selectedShippingOption) } |
| 368 | { |
| 369 | suspendIfNeeded(); |
| 370 | } |
| 371 | |
| 372 | PaymentRequest::~PaymentRequest() |
| 373 | { |
| 374 | ASSERT(!hasPendingActivity()); |
| 375 | ASSERT(!m_activePaymentHandler); |
| 376 | } |
| 377 | |
| 378 | static ExceptionOr<JSC::JSValue> parse(ScriptExecutionContext& context, const String& string) |
| 379 | { |
| 380 | auto scope = DECLARE_THROW_SCOPE(context.vm()); |
| 381 | JSC::JSValue data = JSONParse(context.execState(), string); |
| 382 | if (scope.exception()) |
| 383 | return Exception { ExistingExceptionError }; |
| 384 | return WTFMove(data); |
| 385 | } |
| 386 | |
| 387 | // https://www.w3.org/TR/payment-request/#show()-method |
| 388 | void PaymentRequest::show(Document& document, RefPtr<DOMPromise>&& detailsPromise, ShowPromise&& promise) |
| 389 | { |
| 390 | if (!document.frame()) { |
| 391 | promise.reject(Exception { AbortError }); |
| 392 | return; |
| 393 | } |
| 394 | |
| 395 | if (!UserGestureIndicator::processingUserGesture()) { |
| 396 | promise.reject(Exception { SecurityError, "show() must be triggered by user activation." }); |
| 397 | return; |
| 398 | } |
| 399 | |
| 400 | if (m_state != State::Created) { |
| 401 | promise.reject(Exception { InvalidStateError }); |
| 402 | return; |
| 403 | } |
| 404 | |
| 405 | if (PaymentHandler::hasActiveSession(document)) { |
| 406 | promise.reject(Exception { AbortError }); |
| 407 | return; |
| 408 | } |
| 409 | |
| 410 | m_state = State::Interactive; |
| 411 | ASSERT(!m_showPromise); |
| 412 | m_showPromise = WTFMove(promise); |
| 413 | |
| 414 | RefPtr<PaymentHandler> selectedPaymentHandler; |
| 415 | for (auto& paymentMethod : m_serializedMethodData) { |
| 416 | auto data = parse(document, paymentMethod.serializedData); |
| 417 | if (data.hasException()) { |
| 418 | settleShowPromise(data.releaseException()); |
| 419 | return; |
| 420 | } |
| 421 | |
| 422 | auto handler = PaymentHandler::create(document, *this, paymentMethod.identifier); |
| 423 | if (!handler) |
| 424 | continue; |
| 425 | |
| 426 | auto result = handler->convertData(data.releaseReturnValue()); |
| 427 | if (result.hasException()) { |
| 428 | settleShowPromise(result.releaseException()); |
| 429 | return; |
| 430 | } |
| 431 | |
| 432 | if (!selectedPaymentHandler) |
| 433 | selectedPaymentHandler = WTFMove(handler); |
| 434 | } |
| 435 | |
| 436 | if (!selectedPaymentHandler) { |
| 437 | settleShowPromise(Exception { NotSupportedError }); |
| 438 | return; |
| 439 | } |
| 440 | |
| 441 | auto exception = selectedPaymentHandler->show(document); |
| 442 | if (exception.hasException()) { |
| 443 | settleShowPromise(exception.releaseException()); |
| 444 | return; |
| 445 | } |
| 446 | |
| 447 | ASSERT(!m_activePaymentHandler); |
| 448 | m_activePaymentHandler = PaymentHandlerWithPendingActivity { selectedPaymentHandler.releaseNonNull(), makePendingActivity(*this) }; |
| 449 | |
| 450 | if (!detailsPromise) |
| 451 | return; |
| 452 | |
| 453 | exception = updateWith(UpdateReason::ShowDetailsResolved, detailsPromise.releaseNonNull()); |
| 454 | ASSERT(!exception.hasException()); |
| 455 | } |
| 456 | |
| 457 | void PaymentRequest::abortWithException(Exception&& exception) |
| 458 | { |
| 459 | ASSERT(m_state == State::Interactive); |
| 460 | closeActivePaymentHandler(); |
| 461 | |
| 462 | if (m_response) |
| 463 | m_response->abortWithException(WTFMove(exception)); |
| 464 | else |
| 465 | settleShowPromise(WTFMove(exception)); |
| 466 | } |
| 467 | |
| 468 | void PaymentRequest::settleShowPromise(ExceptionOr<PaymentResponse&>&& result) |
| 469 | { |
| 470 | if (auto showPromise = std::exchange(m_showPromise, WTF::nullopt)) |
| 471 | showPromise->settle(WTFMove(result)); |
| 472 | } |
| 473 | |
| 474 | void PaymentRequest::closeActivePaymentHandler() |
| 475 | { |
| 476 | if (auto activePaymentHandler = std::exchange(m_activePaymentHandler, WTF::nullopt)) |
| 477 | activePaymentHandler->paymentHandler->hide(); |
| 478 | |
| 479 | m_isUpdating = false; |
| 480 | m_state = State::Closed; |
| 481 | } |
| 482 | |
| 483 | void PaymentRequest::stop() |
| 484 | { |
| 485 | closeActivePaymentHandler(); |
| 486 | settleShowPromise(Exception { AbortError }); |
| 487 | } |
| 488 | |
| 489 | // https://www.w3.org/TR/payment-request/#abort()-method |
| 490 | void PaymentRequest::abort(AbortPromise&& promise) |
| 491 | { |
| 492 | if (m_response && m_response->hasRetryPromise()) { |
| 493 | promise.reject(Exception { InvalidStateError }); |
| 494 | return; |
| 495 | } |
| 496 | |
| 497 | if (m_state != State::Interactive) { |
| 498 | promise.reject(Exception { InvalidStateError }); |
| 499 | return; |
| 500 | } |
| 501 | |
| 502 | abortWithException(Exception { AbortError }); |
| 503 | promise.resolve(); |
| 504 | } |
| 505 | |
| 506 | // https://www.w3.org/TR/payment-request/#canmakepayment()-method |
| 507 | void PaymentRequest::canMakePayment(Document& document, CanMakePaymentPromise&& promise) |
| 508 | { |
| 509 | if (m_state != State::Created) { |
| 510 | promise.reject(Exception { InvalidStateError }); |
| 511 | return; |
| 512 | } |
| 513 | |
| 514 | for (auto& paymentMethod : m_serializedMethodData) { |
| 515 | auto handler = PaymentHandler::create(document, *this, paymentMethod.identifier); |
| 516 | if (!handler) |
| 517 | continue; |
| 518 | |
| 519 | handler->canMakePayment(document, [promise = WTFMove(promise)](bool canMakePayment) mutable { |
| 520 | promise.resolve(canMakePayment); |
| 521 | }); |
| 522 | return; |
| 523 | } |
| 524 | |
| 525 | promise.resolve(false); |
| 526 | } |
| 527 | |
| 528 | const String& PaymentRequest::id() const |
| 529 | { |
| 530 | return m_details.id; |
| 531 | } |
| 532 | |
| 533 | Optional<PaymentShippingType> PaymentRequest::shippingType() const |
| 534 | { |
| 535 | if (m_options.requestShipping) |
| 536 | return m_options.shippingType; |
| 537 | return WTF::nullopt; |
| 538 | } |
| 539 | |
| 540 | bool PaymentRequest::canSuspendForDocumentSuspension() const |
| 541 | { |
| 542 | return !hasPendingActivity(); |
| 543 | } |
| 544 | |
| 545 | void PaymentRequest::shippingAddressChanged(Ref<PaymentAddress>&& shippingAddress) |
| 546 | { |
| 547 | whenDetailsSettled([this, protectedThis = makeRefPtr(this), shippingAddress = makeRefPtr(shippingAddress.get())]() mutable { |
| 548 | m_shippingAddress = WTFMove(shippingAddress); |
| 549 | dispatchEvent(PaymentRequestUpdateEvent::create(eventNames().shippingaddresschangeEvent)); |
| 550 | }); |
| 551 | } |
| 552 | |
| 553 | void PaymentRequest::shippingOptionChanged(const String& shippingOption) |
| 554 | { |
| 555 | whenDetailsSettled([this, protectedThis = makeRefPtr(this), shippingOption]() mutable { |
| 556 | m_shippingOption = shippingOption; |
| 557 | dispatchEvent(PaymentRequestUpdateEvent::create(eventNames().shippingoptionchangeEvent)); |
| 558 | }); |
| 559 | } |
| 560 | |
| 561 | void PaymentRequest::paymentMethodChanged(const String& methodName, PaymentMethodChangeEvent::MethodDetailsFunction&& methodDetailsFunction) |
| 562 | { |
| 563 | whenDetailsSettled([this, protectedThis = makeRefPtr(this), methodName, methodDetailsFunction = WTFMove(methodDetailsFunction)]() mutable { |
| 564 | auto& eventName = eventNames().paymentmethodchangeEvent; |
| 565 | if (hasEventListeners(eventName)) |
| 566 | dispatchEvent(PaymentMethodChangeEvent::create(eventName, methodName, WTFMove(methodDetailsFunction))); |
| 567 | else |
| 568 | activePaymentHandler()->detailsUpdated(UpdateReason::PaymentMethodChanged, { }, { }, { }, { }); |
| 569 | }); |
| 570 | } |
| 571 | |
| 572 | ExceptionOr<void> PaymentRequest::updateWith(UpdateReason reason, Ref<DOMPromise>&& promise) |
| 573 | { |
| 574 | if (m_state != State::Interactive) |
| 575 | return Exception { InvalidStateError }; |
| 576 | |
| 577 | if (m_isUpdating) |
| 578 | return Exception { InvalidStateError }; |
| 579 | |
| 580 | m_isUpdating = true; |
| 581 | |
| 582 | ASSERT(!m_detailsPromise); |
| 583 | m_detailsPromise = WTFMove(promise); |
| 584 | m_detailsPromise->whenSettled([this, protectedThis = makeRefPtr(this), reason]() { |
| 585 | settleDetailsPromise(reason); |
| 586 | }); |
| 587 | |
| 588 | return { }; |
| 589 | } |
| 590 | |
| 591 | ExceptionOr<void> PaymentRequest::completeMerchantValidation(Event& event, Ref<DOMPromise>&& merchantSessionPromise) |
| 592 | { |
| 593 | if (m_state != State::Interactive) |
| 594 | return Exception { InvalidStateError }; |
| 595 | |
| 596 | event.stopPropagation(); |
| 597 | event.stopImmediatePropagation(); |
| 598 | |
| 599 | m_merchantSessionPromise = WTFMove(merchantSessionPromise); |
| 600 | m_merchantSessionPromise->whenSettled([this, protectedThis = makeRefPtr(this)]() { |
| 601 | if (m_state != State::Interactive) |
| 602 | return; |
| 603 | |
| 604 | if (m_merchantSessionPromise->status() == DOMPromise::Status::Rejected) { |
| 605 | abortWithException(Exception { AbortError }); |
| 606 | return; |
| 607 | } |
| 608 | |
| 609 | auto exception = activePaymentHandler()->merchantValidationCompleted(m_merchantSessionPromise->result()); |
| 610 | if (exception.hasException()) { |
| 611 | abortWithException(exception.releaseException()); |
| 612 | return; |
| 613 | } |
| 614 | }); |
| 615 | |
| 616 | return { }; |
| 617 | } |
| 618 | |
| 619 | void PaymentRequest::settleDetailsPromise(UpdateReason reason) |
| 620 | { |
| 621 | auto scopeExit = makeScopeExit([&] { |
| 622 | m_isUpdating = false; |
| 623 | m_isCancelPending = false; |
| 624 | m_detailsPromise = nullptr; |
| 625 | }); |
| 626 | |
| 627 | if (m_state != State::Interactive) |
| 628 | return; |
| 629 | |
| 630 | if (m_isCancelPending || m_detailsPromise->status() == DOMPromise::Status::Rejected) { |
| 631 | abortWithException(Exception { AbortError }); |
| 632 | return; |
| 633 | } |
| 634 | |
| 635 | auto& context = *m_detailsPromise->scriptExecutionContext(); |
| 636 | auto throwScope = DECLARE_THROW_SCOPE(context.vm()); |
| 637 | auto detailsUpdate = convertDictionary<PaymentDetailsUpdate>(*context.execState(), m_detailsPromise->result()); |
| 638 | if (throwScope.exception()) { |
| 639 | abortWithException(Exception { ExistingExceptionError }); |
| 640 | return; |
| 641 | } |
| 642 | |
| 643 | auto totalResult = checkAndCanonicalizeTotal(detailsUpdate.total.amount); |
| 644 | if (totalResult.hasException()) { |
| 645 | abortWithException(totalResult.releaseException()); |
| 646 | return; |
| 647 | } |
| 648 | |
| 649 | auto detailsResult = checkAndCanonicalizeDetails(*context.execState(), detailsUpdate, m_options.requestShipping, ShouldValidatePaymentMethodIdentifier::Yes); |
| 650 | if (detailsResult.hasException()) { |
| 651 | abortWithException(detailsResult.releaseException()); |
| 652 | return; |
| 653 | } |
| 654 | |
| 655 | auto shippingOptionAndModifierData = detailsResult.releaseReturnValue(); |
| 656 | |
| 657 | m_details.total = WTFMove(detailsUpdate.total); |
| 658 | m_details.displayItems = WTFMove(detailsUpdate.displayItems); |
| 659 | if (m_options.requestShipping) { |
| 660 | m_details.shippingOptions = WTFMove(detailsUpdate.shippingOptions); |
| 661 | m_shippingOption = WTFMove(std::get<0>(shippingOptionAndModifierData)); |
| 662 | } |
| 663 | |
| 664 | m_details.modifiers = WTFMove(detailsUpdate.modifiers); |
| 665 | m_serializedModifierData = WTFMove(std::get<1>(shippingOptionAndModifierData)); |
| 666 | |
| 667 | auto result = activePaymentHandler()->detailsUpdated(reason, WTFMove(detailsUpdate.error), WTFMove(detailsUpdate.shippingAddressErrors), WTFMove(detailsUpdate.payerErrors), detailsUpdate.paymentMethodErrors.get()); |
| 668 | if (result.hasException()) { |
| 669 | abortWithException(result.releaseException()); |
| 670 | return; |
| 671 | } |
| 672 | } |
| 673 | |
| 674 | void PaymentRequest::whenDetailsSettled(std::function<void()>&& callback) |
| 675 | { |
| 676 | auto whenSettledFunction = [this, callback = WTFMove(callback)] { |
| 677 | ASSERT(m_state == State::Interactive); |
| 678 | ASSERT(!m_isUpdating); |
| 679 | ASSERT(!m_isCancelPending); |
| 680 | ASSERT_UNUSED(this, this); |
| 681 | callback(); |
| 682 | }; |
| 683 | |
| 684 | if (!m_detailsPromise) { |
| 685 | whenSettledFunction(); |
| 686 | return; |
| 687 | } |
| 688 | |
| 689 | m_detailsPromise->whenSettled([this, protectedThis = makeRefPtr(this), whenSettledFunction = WTFMove(whenSettledFunction)] { |
| 690 | if (m_state == State::Interactive) |
| 691 | whenSettledFunction(); |
| 692 | }); |
| 693 | } |
| 694 | |
| 695 | void PaymentRequest::accept(const String& methodName, PaymentResponse::DetailsFunction&& detailsFunction, Ref<PaymentAddress>&& shippingAddress, const String& payerName, const String& payerEmail, const String& payerPhone) |
| 696 | { |
| 697 | ASSERT(!m_isUpdating); |
| 698 | ASSERT(m_state == State::Interactive); |
| 699 | |
| 700 | bool isRetry = m_response; |
| 701 | if (!isRetry) { |
| 702 | m_response = PaymentResponse::create(scriptExecutionContext(), *this); |
| 703 | m_response->setRequestId(m_details.id); |
| 704 | } |
| 705 | |
| 706 | m_response->setMethodName(methodName); |
| 707 | m_response->setDetailsFunction(WTFMove(detailsFunction)); |
| 708 | m_response->setShippingAddress(m_options.requestShipping ? shippingAddress.ptr() : nullptr); |
| 709 | m_response->setShippingOption(m_options.requestShipping ? m_shippingOption : String { }); |
| 710 | m_response->setPayerName(m_options.requestPayerName ? payerName : String { }); |
| 711 | m_response->setPayerEmail(m_options.requestPayerEmail ? payerEmail : String { }); |
| 712 | m_response->setPayerPhone(m_options.requestPayerPhone ? payerPhone : String { }); |
| 713 | |
| 714 | if (!isRetry) |
| 715 | settleShowPromise(*m_response); |
| 716 | else { |
| 717 | ASSERT(m_response->hasRetryPromise()); |
| 718 | m_response->settleRetryPromise(); |
| 719 | } |
| 720 | |
| 721 | m_state = State::Closed; |
| 722 | } |
| 723 | |
| 724 | ExceptionOr<void> PaymentRequest::complete(Optional<PaymentComplete>&& result) |
| 725 | { |
| 726 | ASSERT(m_state == State::Closed); |
| 727 | if (!m_activePaymentHandler) |
| 728 | return Exception { AbortError }; |
| 729 | |
| 730 | activePaymentHandler()->complete(WTFMove(result)); |
| 731 | m_activePaymentHandler = WTF::nullopt; |
| 732 | return { }; |
| 733 | } |
| 734 | |
| 735 | ExceptionOr<void> PaymentRequest::retry(PaymentValidationErrors&& errors) |
| 736 | { |
| 737 | ASSERT(m_state == State::Closed); |
| 738 | if (!m_activePaymentHandler) |
| 739 | return Exception { AbortError }; |
| 740 | |
| 741 | m_state = State::Interactive; |
| 742 | return activePaymentHandler()->retry(WTFMove(errors)); |
| 743 | } |
| 744 | |
| 745 | void PaymentRequest::cancel() |
| 746 | { |
| 747 | m_activePaymentHandler = WTF::nullopt; |
| 748 | |
| 749 | if (m_isUpdating) { |
| 750 | m_isCancelPending = true; |
| 751 | return; |
| 752 | } |
| 753 | |
| 754 | abortWithException(Exception { AbortError }); |
| 755 | } |
| 756 | |
| 757 | } // namespace WebCore |
| 758 | |
| 759 | #endif // ENABLE(PAYMENT_REQUEST) |
| 760 | |