JSValue JSWebKitSubtleCrypto::digest(ExecState& state)
{
VM& vm = state.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (state.argumentCount() < 2)
return throwException(&state, scope, createNotEnoughArgumentsError(&state));
auto algorithm = createAlgorithmFromJSValue(state, scope, state.uncheckedArgument(0));
RETURN_IF_EXCEPTION(scope, { });
auto parameters = JSCryptoAlgorithmDictionary::createParametersForDigest(state, scope, algorithm->identifier(), state.uncheckedArgument(0));
RETURN_IF_EXCEPTION(scope, { });
auto data = cryptoOperationDataFromJSValue(state, scope, state.uncheckedArgument(1));
RETURN_IF_EXCEPTION(scope, { });
RefPtr<DeferredPromise> wrapper = createDeferredPromise(state, domWindow());
auto promise = wrapper->promise();
auto successCallback = [wrapper](const Vector<uint8_t>& result) mutable {
fulfillPromiseWithArrayBuffer(wrapper.releaseNonNull(), result.data(), result.size());
};
auto failureCallback = [wrapper]() mutable {
wrapper->reject(); // FIXME: This should reject with an Exception.
};
auto result = algorithm->digest(*parameters, data, WTFMove(successCallback), WTFMove(failureCallback));
if (result.hasException()) {
propagateException(state, scope, result.releaseException());
return { };
}
return promise;
}
bool JSStorage::putDelegate(ExecState* state, PropertyName propertyName, JSValue value, PutPropertySlot&, bool& putResult)
{
VM& vm = state->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
// Only perform the custom put if the object doesn't have a native property by this name.
// Since hasProperty() would end up calling canGetItemsForName() and be fooled, we need to check
// the native property slots manually.
PropertySlot slot { this, PropertySlot::InternalMethodType::GetOwnProperty };
JSValue prototype = this->getPrototypeDirect();
if (prototype.isObject() && asObject(prototype)->getPropertySlot(state, propertyName, slot))
return false;
if (propertyName.isSymbol())
return false;
String stringValue = value.toWTFString(state);
RETURN_IF_EXCEPTION(scope, true);
auto setItemResult = wrapped().setItem(propertyNameToString(propertyName), stringValue);
if (setItemResult.hasException()) {
propagateException(*state, scope, setItemResult.releaseException());
return true;
}
putResult = true;
return true;
}
JSValue JSWebKitSubtleCrypto::verify(ExecState& state)
{
VM& vm = state.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (state.argumentCount() < 4)
return throwException(&state, scope, createNotEnoughArgumentsError(&state));
auto algorithm = createAlgorithmFromJSValue(state, state.uncheckedArgument(0));
ASSERT(scope.exception() || algorithm);
if (!algorithm)
return jsUndefined();
auto parameters = JSCryptoAlgorithmDictionary::createParametersForVerify(&state, algorithm->identifier(), state.uncheckedArgument(0));
ASSERT(scope.exception() || parameters);
if (!parameters)
return jsUndefined();
RefPtr<CryptoKey> key = JSCryptoKey::toWrapped(state.uncheckedArgument(1));
if (!key)
return throwTypeError(&state, scope);
if (!key->allows(CryptoKeyUsageVerify)) {
wrapped().document()->addConsoleMessage(MessageSource::JS, MessageLevel::Error, ASCIILiteral("Key usages do not include 'verify'"));
setDOMException(&state, NOT_SUPPORTED_ERR);
return jsUndefined();
}
CryptoOperationData signature;
auto success = cryptoOperationDataFromJSValue(&state, state.uncheckedArgument(2), signature);
ASSERT(scope.exception() || success);
if (!success)
return jsUndefined();
CryptoOperationData data;
success = cryptoOperationDataFromJSValue(&state, state.uncheckedArgument(3), data);
ASSERT(scope.exception() || success);
if (!success)
return jsUndefined();
RefPtr<DeferredPromise> wrapper = createDeferredPromise(state, domWindow());
auto promise = wrapper->promise();
auto successCallback = [wrapper](bool result) mutable {
wrapper->resolve(result);
};
auto failureCallback = [wrapper]() mutable {
wrapper->reject(nullptr);
};
auto result = algorithm->verify(*parameters, *key, signature, data, WTFMove(successCallback), WTFMove(failureCallback));
if (result.hasException()) {
propagateException(state, scope, result.releaseException());
return { };
}
return promise;
}
static void importKey(ExecState& state, CryptoKeyFormat keyFormat, CryptoOperationData data, RefPtr<CryptoAlgorithm> algorithm, RefPtr<CryptoAlgorithmParametersDeprecated> parameters, bool extractable, CryptoKeyUsageBitmap keyUsages, CryptoAlgorithm::KeyCallback callback, CryptoAlgorithm::VoidCallback failureCallback)
{
VM& vm = state.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
std::unique_ptr<CryptoKeySerialization> keySerialization;
switch (keyFormat) {
case CryptoKeyFormat::Raw:
keySerialization = CryptoKeySerializationRaw::create(data);
break;
case CryptoKeyFormat::JWK: {
String jwkString = String::fromUTF8(data.first, data.second);
if (jwkString.isNull()) {
throwTypeError(&state, scope, ASCIILiteral("JWK JSON serialization is not valid UTF-8"));
return;
}
keySerialization = std::make_unique<JSCryptoKeySerializationJWK>(&state, jwkString);
RETURN_IF_EXCEPTION(scope, void());
break;
}
default:
throwTypeError(&state, scope, ASCIILiteral("Unsupported key format for import"));
return;
}
ASSERT(keySerialization);
std::optional<CryptoAlgorithmPair> reconciledResult = keySerialization->reconcileAlgorithm(algorithm.get(), parameters.get());
if (!reconciledResult) {
if (!scope.exception())
throwTypeError(&state, scope, ASCIILiteral("Algorithm specified in key is not compatible with one passed to importKey as argument"));
return;
}
RETURN_IF_EXCEPTION(scope, void());
algorithm = reconciledResult->algorithm;
parameters = reconciledResult->parameters;
if (!algorithm) {
throwTypeError(&state, scope, ASCIILiteral("Neither key nor function argument has crypto algorithm specified"));
return;
}
ASSERT(parameters);
keySerialization->reconcileExtractable(extractable);
RETURN_IF_EXCEPTION(scope, void());
keySerialization->reconcileUsages(keyUsages);
RETURN_IF_EXCEPTION(scope, void());
auto keyData = keySerialization->keyData();
RETURN_IF_EXCEPTION(scope, void());
propagateException(state, scope, algorithm->importKey(*parameters, *keyData, extractable, keyUsages, WTFMove(callback), WTFMove(failureCallback)));
}
JSValue JSWebKitSubtleCrypto::generateKey(ExecState& state)
{
VM& vm = state.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (state.argumentCount() < 1)
return throwException(&state, scope, createNotEnoughArgumentsError(&state));
auto algorithm = createAlgorithmFromJSValue(state, state.uncheckedArgument(0));
ASSERT(scope.exception() || algorithm);
if (!algorithm)
return jsUndefined();
auto parameters = JSCryptoAlgorithmDictionary::createParametersForGenerateKey(&state, algorithm->identifier(), state.uncheckedArgument(0));
ASSERT(scope.exception() || parameters);
if (!parameters)
return jsUndefined();
bool extractable = false;
if (state.argumentCount() >= 2) {
extractable = state.uncheckedArgument(1).toBoolean(&state);
RETURN_IF_EXCEPTION(scope, JSValue());
}
CryptoKeyUsageBitmap keyUsages = 0;
if (state.argumentCount() >= 3) {
auto success = cryptoKeyUsagesFromJSValue(state, state.argument(2), keyUsages);
ASSERT(scope.exception() || success);
if (!success)
return jsUndefined();
}
RefPtr<DeferredPromise> wrapper = createDeferredPromise(state, domWindow());
auto promise = wrapper->promise();
auto successCallback = [wrapper](CryptoKey* key, CryptoKeyPair* keyPair) mutable {
ASSERT(key || keyPair);
ASSERT(!key || !keyPair);
if (key)
wrapper->resolve(key);
else
wrapper->resolve(keyPair);
};
auto failureCallback = [wrapper]() mutable {
wrapper->reject(nullptr);
};
auto result = algorithm->generateKey(*parameters, extractable, keyUsages, WTFMove(successCallback), WTFMove(failureCallback), *scriptExecutionContextFromExecState(&state));
if (result.hasException()) {
propagateException(state, scope, result.releaseException());
return { };
}
return promise;
}
void JSStorage::getOwnPropertyNames(JSObject* object, ExecState* state, PropertyNameArray& propertyNames, EnumerationMode mode)
{
VM& vm = state->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto& thisObject = *jsCast<JSStorage*>(object);
auto lengthResult = thisObject.wrapped().length();
if (lengthResult.hasException()) {
propagateException(*state, scope, lengthResult.releaseException());
return;
}
unsigned length = lengthResult.releaseReturnValue();
for (unsigned i = 0; i < length; ++i) {
auto keyResult = thisObject.wrapped().key(i);
if (keyResult.hasException()) {
propagateException(*state, scope, lengthResult.releaseException());
return;
}
propertyNames.add(Identifier::fromString(state, keyResult.releaseReturnValue()));
}
Base::getOwnPropertyNames(&thisObject, state, propertyNames, mode);
}
bool JSTestNamedDeleterThrowingException::deleteProperty(JSCell* cell, ExecState* state, PropertyName propertyName)
{
auto& thisObject = *jsCast<JSTestNamedDeleterThrowingException*>(cell);
auto& impl = thisObject.wrapped();
if (isVisibleNamedProperty<OverrideBuiltins::No>(*state, thisObject, propertyName)) {
auto result = impl.deleteNamedProperty(propertyNameToString(propertyName));
if (result.hasException()) {
auto throwScope = DECLARE_THROW_SCOPE(state->vm());
propagateException(*state, throwScope, result.releaseException());
return true;
}
return result.releaseReturnValue();
}
return JSObject::deleteProperty(cell, state, propertyName);
}
JSValue JSWebKitSubtleCrypto::generateKey(ExecState& state)
{
VM& vm = state.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (state.argumentCount() < 1)
return throwException(&state, scope, createNotEnoughArgumentsError(&state));
auto algorithm = createAlgorithmFromJSValue(state, scope, state.uncheckedArgument(0));
RETURN_IF_EXCEPTION(scope, { });
auto parameters = JSCryptoAlgorithmDictionary::createParametersForGenerateKey(state, scope, algorithm->identifier(), state.uncheckedArgument(0));
RETURN_IF_EXCEPTION(scope, { });
bool extractable = state.argument(1).toBoolean(&state);
RETURN_IF_EXCEPTION(scope, { });
CryptoKeyUsageBitmap keyUsages = 0;
if (state.argumentCount() >= 3) {
keyUsages = cryptoKeyUsagesFromJSValue(state, scope, state.uncheckedArgument(2));
RETURN_IF_EXCEPTION(scope, { });
}
RefPtr<DeferredPromise> wrapper = createDeferredPromise(state, domWindow());
auto promise = wrapper->promise();
auto successCallback = [wrapper](KeyOrKeyPair&& keyOrKeyPair) mutable {
WTF::switchOn(keyOrKeyPair,
[&wrapper] (RefPtr<CryptoKey>& key) {
wrapper->resolve<IDLInterface<CryptoKey>>(*key);
},
[&wrapper] (CryptoKeyPair& keyPair) {
wrapper->resolve<IDLDictionary<CryptoKeyPair>>(keyPair);
}
);
};
auto failureCallback = [wrapper]() mutable {
wrapper->reject(); // FIXME: This should reject with an Exception.
};
auto result = algorithm->generateKey(*parameters, extractable, keyUsages, WTFMove(successCallback), WTFMove(failureCallback), *scriptExecutionContextFromExecState(&state));
if (result.hasException()) {
propagateException(state, scope, result.releaseException());
return { };
}
return promise;
}
JSValue JSWebKitSubtleCrypto::verify(ExecState& state)
{
VM& vm = state.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (state.argumentCount() < 4)
return throwException(&state, scope, createNotEnoughArgumentsError(&state));
auto algorithm = createAlgorithmFromJSValue(state, scope, state.uncheckedArgument(0));
RETURN_IF_EXCEPTION(scope, { });
auto parameters = JSCryptoAlgorithmDictionary::createParametersForVerify(state, scope, algorithm->identifier(), state.uncheckedArgument(0));
RETURN_IF_EXCEPTION(scope, { });
RefPtr<CryptoKey> key = JSCryptoKey::toWrapped(vm, state.uncheckedArgument(1));
if (!key)
return throwTypeError(&state, scope);
if (!key->allows(CryptoKeyUsageVerify)) {
wrapped().document()->addConsoleMessage(MessageSource::JS, MessageLevel::Error, ASCIILiteral("Key usages do not include 'verify'"));
throwNotSupportedError(state, scope);
return jsUndefined();
}
auto signature = cryptoOperationDataFromJSValue(state, scope, state.uncheckedArgument(2));
RETURN_IF_EXCEPTION(scope, { });
auto data = cryptoOperationDataFromJSValue(state, scope, state.uncheckedArgument(3));
RETURN_IF_EXCEPTION(scope, { });
RefPtr<DeferredPromise> wrapper = createDeferredPromise(state, domWindow());
auto promise = wrapper->promise();
auto successCallback = [wrapper](bool result) mutable {
wrapper->resolve<IDLBoolean>(result);
};
auto failureCallback = [wrapper]() mutable {
wrapper->reject(); // FIXME: This should reject with an Exception.
};
auto result = algorithm->verify(*parameters, *key, signature, data, WTFMove(successCallback), WTFMove(failureCallback));
if (result.hasException()) {
propagateException(state, scope, result.releaseException());
return { };
}
return promise;
}
bool JSStorage::nameGetter(ExecState* state, PropertyName propertyName, JSValue& value)
{
if (propertyName.isSymbol())
return false;
auto item = wrapped().getItem(propertyNameToString(propertyName));
if (item.hasException()) {
auto& vm = state->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
propagateException(*state, scope, item.releaseException());
return false;
}
auto string = item.releaseReturnValue();
if (string.isNull())
return false;
value = jsStringWithCache(state, string);
return true;
}
bool JSStorage::deleteProperty(JSCell* cell, ExecState* state, PropertyName propertyName)
{
auto& thisObject = *jsCast<JSStorage*>(cell);
// Only perform the custom delete if the object doesn't have a native property by this name.
// Since hasProperty() would end up calling canGetItemsForName() and be fooled, we need to check
// the native property slots manually.
PropertySlot slot(&thisObject, PropertySlot::InternalMethodType::GetOwnProperty);
JSValue prototype = thisObject.getPrototypeDirect();
if (prototype.isObject() && asObject(prototype)->getPropertySlot(state, propertyName, slot))
return Base::deleteProperty(&thisObject, state, propertyName);
if (propertyName.isSymbol())
return Base::deleteProperty(&thisObject, state, propertyName);
VM& vm = state->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
propagateException(*state, scope, thisObject.wrapped().removeItem(propertyNameToString(propertyName)));
return true;
}
static JSValue handlePostMessage(DOMWindow& impl, ExecState& state)
{
VM& vm = state.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (UNLIKELY(state.argumentCount() < 2))
return throwException(&state, scope, createNotEnoughArgumentsError(&state));
Vector<RefPtr<MessagePort>> messagePorts;
Vector<RefPtr<JSC::ArrayBuffer>> arrayBuffers;
// This function has variable arguments and can be:
// Per current spec:
// postMessage(message, targetOrigin)
// postMessage(message, targetOrigin, {sequence of transferrables})
// Legacy non-standard implementations in webkit allowed:
// postMessage(message, {sequence of transferrables}, targetOrigin);
int targetOriginArgIndex = 1;
if (state.argumentCount() > 2) {
int transferablesArgIndex = 2;
if (state.uncheckedArgument(2).isString()) {
targetOriginArgIndex = 2;
transferablesArgIndex = 1;
}
extractTransferables(state, state.argument(transferablesArgIndex), messagePorts, arrayBuffers);
}
RETURN_IF_EXCEPTION(scope, JSValue());
auto message = SerializedScriptValue::create(state, state.uncheckedArgument(0), messagePorts, WTFMove(arrayBuffers));
RETURN_IF_EXCEPTION(scope, JSValue());
String targetOrigin = convert<IDLNullable<IDLUSVString>>(state, state.uncheckedArgument(targetOriginArgIndex));
RETURN_IF_EXCEPTION(scope, JSValue());
propagateException(state, scope, impl.postMessage(message.releaseNonNull(), WTFMove(messagePorts), targetOrigin, callerDOMWindow(&state)));
return jsUndefined();
}
static void JSMediaDevicesGetUserMediaPromiseFunction(ExecState& state, Ref<DeferredPromise>&& promise)
{
VM& vm = state.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (UNLIKELY(state.argumentCount() < 1)) {
throwVMError(&state, scope, createNotEnoughArgumentsError(&state));
return;
}
auto constraintsDictionary = Dictionary(&state, state.uncheckedArgument(0));
MediaTrackConstraintSetMap mandatoryAudioConstraints;
Vector<MediaTrackConstraintSetMap> advancedAudioConstraints;
bool areAudioConstraintsValid = false;
Dictionary audioConstraintsDictionary;
if (constraintsDictionary.get("audio", audioConstraintsDictionary) && !audioConstraintsDictionary.isUndefinedOrNull()) {
parseMediaConstraintsDictionary(audioConstraintsDictionary, mandatoryAudioConstraints, advancedAudioConstraints);
areAudioConstraintsValid = true;
} else
constraintsDictionary.get("audio", areAudioConstraintsValid);
MediaTrackConstraintSetMap mandatoryVideoConstraints;
Vector<MediaTrackConstraintSetMap> advancedVideoConstraints;
bool areVideoConstraintsValid = false;
Dictionary videoConstraintsDictionary;
if (constraintsDictionary.get("video", videoConstraintsDictionary) && !videoConstraintsDictionary.isUndefinedOrNull()) {
parseMediaConstraintsDictionary(videoConstraintsDictionary, mandatoryVideoConstraints, advancedVideoConstraints);
areVideoConstraintsValid = true;
} else
constraintsDictionary.get("video", areVideoConstraintsValid);
auto audioConstraints = MediaConstraintsImpl::create(WTFMove(mandatoryAudioConstraints), WTFMove(advancedAudioConstraints), areAudioConstraintsValid);
auto videoConstraints = MediaConstraintsImpl::create(WTFMove(mandatoryVideoConstraints), WTFMove(advancedVideoConstraints), areVideoConstraintsValid);
propagateException(state, scope, castThisValue<JSMediaDevices>(state).wrapped().getUserMedia(WTFMove(audioConstraints), WTFMove(videoConstraints), WTFMove(promise)));
}
JSValue JSWebKitSubtleCrypto::unwrapKey(ExecState& state)
{
VM& vm = state.vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (state.argumentCount() < 5)
return throwException(&state, scope, createNotEnoughArgumentsError(&state));
auto keyFormat = cryptoKeyFormatFromJSValue(state, scope, state.uncheckedArgument(0));
RETURN_IF_EXCEPTION(scope, { });
auto wrappedKeyData = cryptoOperationDataFromJSValue(state, scope, state.uncheckedArgument(1));
RETURN_IF_EXCEPTION(scope, { });
RefPtr<CryptoKey> unwrappingKey = JSCryptoKey::toWrapped(vm, state.uncheckedArgument(2));
if (!unwrappingKey)
return throwTypeError(&state, scope);
if (!unwrappingKey->allows(CryptoKeyUsageUnwrapKey)) {
wrapped().document()->addConsoleMessage(MessageSource::JS, MessageLevel::Error, ASCIILiteral("Key usages do not include 'unwrapKey'"));
throwNotSupportedError(state, scope);
return jsUndefined();
}
auto unwrapAlgorithm = createAlgorithmFromJSValue(state, scope, state.uncheckedArgument(3));
RETURN_IF_EXCEPTION(scope, { });
auto unwrapAlgorithmParameters = JSCryptoAlgorithmDictionary::createParametersForDecrypt(state, scope, unwrapAlgorithm->identifier(), state.uncheckedArgument(3));
RETURN_IF_EXCEPTION(scope, { });
RefPtr<CryptoAlgorithm> unwrappedKeyAlgorithm;
RefPtr<CryptoAlgorithmParametersDeprecated> unwrappedKeyAlgorithmParameters;
if (!state.uncheckedArgument(4).isNull()) {
unwrappedKeyAlgorithm = createAlgorithmFromJSValue(state, scope, state.uncheckedArgument(4));
RETURN_IF_EXCEPTION(scope, { });
unwrappedKeyAlgorithmParameters = JSCryptoAlgorithmDictionary::createParametersForImportKey(state, scope, unwrappedKeyAlgorithm->identifier(), state.uncheckedArgument(4));
RETURN_IF_EXCEPTION(scope, { });
}
bool extractable = state.argument(5).toBoolean(&state);
RETURN_IF_EXCEPTION(scope, { });
CryptoKeyUsageBitmap keyUsages = 0;
if (state.argumentCount() >= 7) {
keyUsages = cryptoKeyUsagesFromJSValue(state, scope, state.uncheckedArgument(6));
RETURN_IF_EXCEPTION(scope, { });
}
RefPtr<DeferredPromise> wrapper = createDeferredPromise(state, domWindow());
auto promise = wrapper->promise();
Strong<JSDOMGlobalObject> domGlobalObject(state.vm(), globalObject());
auto decryptSuccessCallback = [domGlobalObject, keyFormat, unwrappedKeyAlgorithm, unwrappedKeyAlgorithmParameters, extractable, keyUsages, wrapper](const Vector<uint8_t>& result) mutable {
auto importSuccessCallback = [wrapper](CryptoKey& key) mutable {
wrapper->resolve<IDLInterface<CryptoKey>>(key);
};
auto importFailureCallback = [wrapper]() mutable {
wrapper->reject(); // FIXME: This should reject with an Exception.
};
VM& vm = domGlobalObject->vm();
auto scope = DECLARE_CATCH_SCOPE(vm);
ExecState& state = *domGlobalObject->globalExec();
WebCore::importKey(state, keyFormat, std::make_pair(result.data(), result.size()), unwrappedKeyAlgorithm, unwrappedKeyAlgorithmParameters, extractable, keyUsages, WTFMove(importSuccessCallback), WTFMove(importFailureCallback));
if (UNLIKELY(scope.exception())) {
// FIXME: Report exception details to console, and possibly to calling script once there is a standardized way to pass errors to WebCrypto promise reject functions.
scope.clearException();
wrapper->reject(); // FIXME: This should reject with an Exception.
}
};
auto decryptFailureCallback = [wrapper]() mutable {
wrapper->reject(); // FIXME: This should reject with an Exception.
};
auto result = unwrapAlgorithm->decryptForUnwrapKey(*unwrapAlgorithmParameters, *unwrappingKey, wrappedKeyData, WTFMove(decryptSuccessCallback), WTFMove(decryptFailureCallback));
if (result.hasException()) {
propagateException(state, scope, result.releaseException());
return { };
}
return promise;
}
