Response* Response::create(ScriptState* scriptState, ScriptValue bodyValue, const Dictionary& init, ExceptionState& exceptionState)
{
v8::Local<v8::Value> body = bodyValue.v8Value();
ScriptValue reader;
v8::Isolate* isolate = scriptState->isolate();
ExecutionContext* executionContext = scriptState->executionContext();
OwnPtr<FetchDataConsumerHandle> bodyHandle;
String contentType;
if (bodyValue.isUndefined() || bodyValue.isNull()) {
// Note: The IDL processor cannot handle this situation. See
// https://crbug.com/335871.
} else if (V8Blob::hasInstance(body, isolate)) {
Blob* blob = V8Blob::toImpl(body.As<v8::Object>());
bodyHandle = FetchBlobDataConsumerHandle::create(executionContext, blob->blobDataHandle());
contentType = blob->type();
} else if (V8ArrayBuffer::hasInstance(body, isolate)) {
bodyHandle = FetchFormDataConsumerHandle::create(V8ArrayBuffer::toImpl(body.As<v8::Object>()));
} else if (V8ArrayBufferView::hasInstance(body, isolate)) {
bodyHandle = FetchFormDataConsumerHandle::create(V8ArrayBufferView::toImpl(body.As<v8::Object>()));
} else if (V8FormData::hasInstance(body, isolate)) {
RefPtr<EncodedFormData> formData = V8FormData::toImpl(body.As<v8::Object>())->encodeMultiPartFormData();
// Here we handle formData->boundary() as a C-style string. See
// FormDataEncoder::generateUniqueBoundaryString.
contentType = AtomicString("multipart/form-data; boundary=", AtomicString::ConstructFromLiteral) + formData->boundary().data();
bodyHandle = FetchFormDataConsumerHandle::create(executionContext, formData.release());
} else if (RuntimeEnabledFeatures::responseConstructedWithReadableStreamEnabled() && ReadableStreamOperations::isReadableStream(scriptState, bodyValue)) {
bodyHandle = ReadableStreamDataConsumerHandle::create(scriptState, bodyValue);
reader = ReadableStreamOperations::getReader(scriptState, bodyValue, exceptionState);
if (exceptionState.hadException()) {
reader = ScriptValue();
bodyHandle = createFetchDataConsumerHandleFromWebHandle(createUnexpectedErrorDataConsumerHandle());
exceptionState.clearException();
} else {
bodyHandle = ReadableStreamDataConsumerHandle::create(scriptState, reader);
}
} else {
String string = toUSVString(isolate, body, exceptionState);
if (exceptionState.hadException())
return nullptr;
bodyHandle = FetchFormDataConsumerHandle::create(string);
contentType = "text/plain;charset=UTF-8";
}
// TODO(yhirano): Add the URLSearchParams case.
Response* response = create(executionContext, bodyHandle.release(), contentType, ResponseInit(init, exceptionState), exceptionState);
if (!exceptionState.hadException() && !reader.isEmpty()) {
// Add a hidden reference so that the weak persistent in the
// ReadableStreamDataConsumerHandle will be valid as long as the
// Response is valid.
v8::Local<v8::Value> wrapper = toV8(response, scriptState);
if (wrapper.IsEmpty()) {
exceptionState.throwTypeError("Cannot create a Response wrapper");
return nullptr;
}
ASSERT(wrapper->IsObject());
V8HiddenValue::setHiddenValue(scriptState, wrapper.As<v8::Object>(), V8HiddenValue::readableStreamReaderInResponse(scriptState->isolate()), reader.v8Value());
}
return response;
}
bool ReadableStreamOperations::isReadableStreamReader(ScriptState* scriptState, ScriptValue value)
{
ASSERT(!value.isEmpty());
if (!value.isObject())
return false;
v8::Local<v8::Value> args[] = { value.v8Value() };
return V8ScriptRunner::callExtraOrCrash(scriptState, "IsReadableStreamReader", args)->ToBoolean()->Value();
}
void V8XMLHttpRequest::responseTextAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
{
XMLHttpRequest* xmlHttpRequest = V8XMLHttpRequest::toNative(info.Holder());
ExceptionState exceptionState(ExceptionState::GetterContext, "responseText", "XMLHttpRequest", info.Holder(), info.GetIsolate());
ScriptValue text = xmlHttpRequest->responseText(exceptionState);
if (exceptionState.throwIfNeeded())
return;
if (text.isEmpty()) {
v8SetReturnValueString(info, emptyString(), info.GetIsolate());
return;
}
v8SetReturnValue(info, text.v8Value());
}
void InspectorHeapProfilerAgent::getHeapObjectId(ErrorString* errorString, const String& objectId, String* heapSnapshotObjectId)
{
InjectedScript injectedScript = m_injectedScriptManager->injectedScriptForObjectId(objectId);
if (injectedScript.isEmpty()) {
*errorString = "Inspected context has gone";
return;
}
ScriptValue value = injectedScript.findObjectById(objectId);
ScriptState::Scope scope(injectedScript.scriptState());
if (value.isEmpty() || value.isUndefined()) {
*errorString = "Object with given id not found";
return;
}
unsigned id = ScriptProfiler::getHeapObjectId(value);
*heapSnapshotObjectId = String::number(id);
}
void Body::readAllFromStream(ScriptState* scriptState)
{
// With the current loading mechanism, the data is loaded atomically.
ASSERT(m_stream->isDraining());
TrackExceptionState es;
// FIXME: Implement and use another |read| method that doesn't
// need an exception state and V8ArrayBuffer.
ScriptValue value = m_stream->read(scriptState, es);
ASSERT(!es.hadException());
ASSERT(m_stream->state() == ReadableStream::Closed);
ASSERT(!value.isEmpty() && V8ArrayBuffer::hasInstance(value.v8Value(), scriptState->isolate()));
DOMArrayBuffer* buffer = V8ArrayBuffer::toImpl(value.v8Value().As<v8::Object>());
didFinishLoadingViaStream(buffer);
m_resolver.clear();
m_stream->close();
}
PassRefPtr<TypeBuilder::Runtime::RemoteObject> InjectedScript::wrapTable(const ScriptValue& table, const ScriptValue& columns) const
{
ASSERT(!isEmpty());
ScriptFunctionCall wrapFunction(injectedScriptObject(), "wrapTable");
wrapFunction.appendArgument(canAccessInspectedWindow());
wrapFunction.appendArgument(table);
if (columns.isEmpty())
wrapFunction.appendArgument(false);
else
wrapFunction.appendArgument(columns);
bool hadException = false;
ScriptValue r = callFunctionWithEvalEnabled(wrapFunction, hadException);
if (hadException)
return nullptr;
RefPtr<JSONObject> rawResult = toJSONValue(r)->asObject();
return TypeBuilder::Runtime::RemoteObject::runtimeCast(rawResult);
}
void V8ErrorEvent::errorAttributeGetterCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
{
v8::Isolate* isolate = info.GetIsolate();
v8::Local<v8::Value> cachedError = V8HiddenValue::getHiddenValue(ScriptState::current(isolate), info.Holder(), V8HiddenValue::error(isolate));
if (!cachedError.IsEmpty()) {
v8SetReturnValue(info, cachedError);
return;
}
ErrorEvent* event = V8ErrorEvent::toImpl(info.Holder());
ScriptState* scriptState = ScriptState::current(isolate);
ScriptValue error = event->error(scriptState);
if (!error.isEmpty())
setHiddenValueAndReturnValue(scriptState, info, error.v8Value());
else
setHiddenValueAndReturnValue(scriptState, info, v8::Null(isolate));
}
ScriptPromise ScriptPromise::cast(const ScriptValue& value)
{
if (value.isEmpty())
return ScriptPromise();
v8::Local<v8::Value> v8Value(value.v8Value());
v8::Isolate* isolate = value.isolate();
if (V8PromiseCustom::isPromise(v8Value, isolate) || v8Value->IsPromise()) {
return ScriptPromise(value.scriptState(), v8Value);
}
if (RuntimeEnabledFeatures::scriptPromiseOnV8PromiseEnabled()) {
v8::Local<v8::Promise::Resolver> resolver = v8::Promise::Resolver::New(isolate);
if (resolver.IsEmpty()) {
// The Promise constructor may return an empty value, for example
// when the stack is exhausted.
return ScriptPromise();
}
resolver->Resolve(v8Value);
return ScriptPromise(value.scriptState(), resolver->GetPromise());
}
return ScriptPromise(value.scriptState(), V8PromiseCustom::toPromise(v8Value, isolate));
}
void InspectorHeapProfilerAgent::getObjectByHeapObjectId(ErrorString* error, const String& heapSnapshotObjectId, const String* objectGroup, RefPtr<TypeBuilder::Runtime::RemoteObject>& result)
{
bool ok;
unsigned id = heapSnapshotObjectId.toUInt(&ok);
if (!ok) {
*error = "Invalid heap snapshot object id";
return;
}
ScriptValue heapObject = ScriptProfiler::objectByHeapObjectId(id);
if (heapObject.isEmpty()) {
*error = "Object is not available";
return;
}
InjectedScript injectedScript = m_injectedScriptManager->injectedScriptFor(heapObject.scriptState());
if (injectedScript.isEmpty()) {
*error = "Object is not available. Inspected context is gone";
return;
}
result = injectedScript.wrapObject(heapObject, objectGroup ? *objectGroup : "");
if (!result)
*error = "Failed to wrap object";
}
BodyStreamBuffer::BodyStreamBuffer(ScriptState* scriptState,
BytesConsumer* consumer)
: UnderlyingSourceBase(scriptState),
m_scriptState(scriptState),
m_consumer(consumer),
m_madeFromReadableStream(false) {
v8::Local<v8::Value> bodyValue = toV8(this, scriptState);
DCHECK(!bodyValue.IsEmpty());
DCHECK(bodyValue->IsObject());
v8::Local<v8::Object> body = bodyValue.As<v8::Object>();
ScriptValue readableStream = ReadableStreamOperations::createReadableStream(
scriptState, this,
ReadableStreamOperations::createCountQueuingStrategy(scriptState, 0));
DCHECK(!readableStream.isEmpty());
V8HiddenValue::setHiddenValue(
scriptState, body,
V8HiddenValue::internalBodyStream(scriptState->isolate()),
readableStream.v8Value());
m_consumer->setClient(this);
onStateChange();
}
IDBRequest* IDBObjectStore::put(ScriptState* scriptState, WebIDBPutMode putMode, IDBAny* source, const ScriptValue& value, IDBKey* key, ExceptionState& exceptionState)
{
if (isDeleted()) {
exceptionState.throwDOMException(InvalidStateError, IDBDatabase::objectStoreDeletedErrorMessage);
return nullptr;
}
if (m_transaction->isFinished() || m_transaction->isFinishing()) {
exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage);
return nullptr;
}
if (!m_transaction->isActive()) {
exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage);
return nullptr;
}
if (m_transaction->isReadOnly()) {
exceptionState.throwDOMException(ReadOnlyError, IDBDatabase::transactionReadOnlyErrorMessage);
return nullptr;
}
Vector<WebBlobInfo> blobInfo;
RefPtr<SerializedScriptValue> serializedValue = SerializedScriptValueFactory::instance().create(scriptState->isolate(), value, &blobInfo, exceptionState);
if (exceptionState.hadException())
return nullptr;
// Keys that need to be extracted must be taken from a clone so that
// side effects (i.e. getters) are not triggered. Construct the
// clone lazily since the operation may be expensive.
ScriptValue clone;
const IDBKeyPath& keyPath = m_metadata.keyPath;
const bool usesInLineKeys = !keyPath.isNull();
const bool hasKeyGenerator = autoIncrement();
if (putMode != WebIDBPutModeCursorUpdate && usesInLineKeys && key) {
exceptionState.throwDOMException(DataError, "The object store uses in-line keys and the key parameter was provided.");
return nullptr;
}
// This test logically belongs in IDBCursor, but must operate on the cloned value.
if (putMode == WebIDBPutModeCursorUpdate && usesInLineKeys) {
ASSERT(key);
if (clone.isEmpty())
clone = deserializeScriptValue(scriptState, serializedValue.get(), &blobInfo);
IDBKey* keyPathKey = ScriptValue::to<IDBKey*>(scriptState->isolate(), clone, exceptionState, keyPath);
if (exceptionState.hadException())
return nullptr;
if (!keyPathKey || !keyPathKey->isEqual(key)) {
exceptionState.throwDOMException(DataError, "The effective object store of this cursor uses in-line keys and evaluating the key path of the value parameter results in a different value than the cursor's effective key.");
return nullptr;
}
}
if (!usesInLineKeys && !hasKeyGenerator && !key) {
exceptionState.throwDOMException(DataError, "The object store uses out-of-line keys and has no key generator and the key parameter was not provided.");
return nullptr;
}
if (usesInLineKeys) {
if (clone.isEmpty())
clone = deserializeScriptValue(scriptState, serializedValue.get(), &blobInfo);
IDBKey* keyPathKey = ScriptValue::to<IDBKey*>(scriptState->isolate(), clone, exceptionState, keyPath);
if (exceptionState.hadException())
return nullptr;
if (keyPathKey && !keyPathKey->isValid()) {
exceptionState.throwDOMException(DataError, "Evaluating the object store's key path yielded a value that is not a valid key.");
return nullptr;
}
if (!hasKeyGenerator && !keyPathKey) {
exceptionState.throwDOMException(DataError, "Evaluating the object store's key path did not yield a value.");
return nullptr;
}
if (hasKeyGenerator && !keyPathKey) {
if (!canInjectIDBKeyIntoScriptValue(scriptState->isolate(), clone, keyPath)) {
exceptionState.throwDOMException(DataError, "A generated key could not be inserted into the value.");
return nullptr;
}
}
if (keyPathKey)
key = keyPathKey;
}
if (key && !key->isValid()) {
exceptionState.throwDOMException(DataError, IDBDatabase::notValidKeyErrorMessage);
return nullptr;
}
if (!backendDB()) {
exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage);
return nullptr;
}
Vector<int64_t> indexIds;
HeapVector<IndexKeys> indexKeys;
for (const auto& it : m_metadata.indexes) {
if (clone.isEmpty())
clone = deserializeScriptValue(scriptState, serializedValue.get(), &blobInfo);
IndexKeys keys;
generateIndexKeysForValue(scriptState->isolate(), it.value, clone, &keys);
indexIds.append(it.key);
indexKeys.append(keys);
}
IDBRequest* request = IDBRequest::create(scriptState, source, m_transaction.get());
Vector<char> wireBytes;
serializedValue->toWireBytes(wireBytes);
RefPtr<SharedBuffer> valueBuffer = SharedBuffer::adoptVector(wireBytes);
backendDB()->put(m_transaction->id(), id(), WebData(valueBuffer), blobInfo, key, static_cast<WebIDBPutMode>(putMode), WebIDBCallbacksImpl::create(request).leakPtr(), indexIds, indexKeys);
return request;
}
void V8HTMLCanvasElement::getContextMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
{
v8::Handle<v8::Object> holder = info.Holder();
v8::Isolate* isolate = info.GetIsolate();
HTMLCanvasElement* impl = V8HTMLCanvasElement::toNative(holder);
TOSTRING_VOID(V8StringResource<>, contextIdResource, info[0]);
String contextId = contextIdResource;
RefPtr<CanvasContextAttributes> attributes;
if (contextId == "webgl" || contextId == "experimental-webgl") {
RefPtr<WebGLContextAttributes> webGLAttributes = WebGLContextAttributes::create();
if (info.Length() > 1 && info[1]->IsObject()) {
v8::Handle<v8::Object> jsAttributes = info[1]->ToObject();
v8::Handle<v8::String> alpha = v8AtomicString(isolate, "alpha");
if (jsAttributes->Has(alpha) && !isUndefinedOrNull(jsAttributes->Get(alpha)))
webGLAttributes->setAlpha(jsAttributes->Get(alpha)->BooleanValue());
v8::Handle<v8::String> depth = v8AtomicString(isolate, "depth");
if (jsAttributes->Has(depth) && !isUndefinedOrNull(jsAttributes->Get(depth)))
webGLAttributes->setDepth(jsAttributes->Get(depth)->BooleanValue());
v8::Handle<v8::String> stencil = v8AtomicString(isolate, "stencil");
if (jsAttributes->Has(stencil) && !isUndefinedOrNull(jsAttributes->Get(stencil)))
webGLAttributes->setStencil(jsAttributes->Get(stencil)->BooleanValue());
v8::Handle<v8::String> antialias = v8AtomicString(isolate, "antialias");
if (jsAttributes->Has(antialias) && !isUndefinedOrNull(jsAttributes->Get(antialias)))
webGLAttributes->setAntialias(jsAttributes->Get(antialias)->BooleanValue());
v8::Handle<v8::String> premultipliedAlpha = v8AtomicString(isolate, "premultipliedAlpha");
if (jsAttributes->Has(premultipliedAlpha) && !isUndefinedOrNull(jsAttributes->Get(premultipliedAlpha)))
webGLAttributes->setPremultipliedAlpha(jsAttributes->Get(premultipliedAlpha)->BooleanValue());
v8::Handle<v8::String> preserveDrawingBuffer = v8AtomicString(isolate, "preserveDrawingBuffer");
if (jsAttributes->Has(preserveDrawingBuffer) && !isUndefinedOrNull(jsAttributes->Get(preserveDrawingBuffer)))
webGLAttributes->setPreserveDrawingBuffer(jsAttributes->Get(preserveDrawingBuffer)->BooleanValue());
v8::Handle<v8::String> failIfMajorPerformanceCaveat = v8AtomicString(isolate, "failIfMajorPerformanceCaveat");
if (jsAttributes->Has(failIfMajorPerformanceCaveat) && !isUndefinedOrNull(jsAttributes->Get(failIfMajorPerformanceCaveat)))
webGLAttributes->setFailIfMajorPerformanceCaveat(jsAttributes->Get(failIfMajorPerformanceCaveat)->BooleanValue());
}
attributes = webGLAttributes;
} else {
RefPtr<Canvas2DContextAttributes> canvas2DAttributes = Canvas2DContextAttributes::create();
if (info.Length() > 1 && info[1]->IsObject()) {
v8::Handle<v8::Object> jsAttributes = info[1]->ToObject();
v8::Handle<v8::String> alpha = v8AtomicString(isolate, "alpha");
if (jsAttributes->Has(alpha) && !isUndefinedOrNull(jsAttributes->Get(alpha)))
canvas2DAttributes->setAlpha(jsAttributes->Get(alpha)->BooleanValue());
}
attributes = canvas2DAttributes;
}
CanvasRenderingContext* result = impl->getContext(contextId, attributes.get());
if (!result) {
v8SetReturnValueNull(info);
return;
}
if (result->is2d()) {
v8::Handle<v8::Value> v8Result = toV8(toCanvasRenderingContext2D(result), info.Holder(), info.GetIsolate());
if (InspectorInstrumentation::canvasAgentEnabled(&impl->document())) {
ScriptState* scriptState = ScriptState::current(isolate);
ScriptValue context(scriptState, v8Result);
ScriptValue wrapped = InspectorInstrumentation::wrapCanvas2DRenderingContextForInstrumentation(&impl->document(), context);
if (!wrapped.isEmpty()) {
v8SetReturnValue(info, wrapped.v8Value());
return;
}
}
v8SetReturnValue(info, v8Result);
return;
}
if (result->is3d()) {
v8::Handle<v8::Value> v8Result = toV8(toWebGLRenderingContext(result), info.Holder(), info.GetIsolate());
if (InspectorInstrumentation::canvasAgentEnabled(&impl->document())) {
ScriptState* scriptState = ScriptState::current(isolate);
ScriptValue glContext(scriptState, v8Result);
ScriptValue wrapped = InspectorInstrumentation::wrapWebGLRenderingContextForInstrumentation(&impl->document(), glContext);
if (!wrapped.isEmpty()) {
v8SetReturnValue(info, wrapped.v8Value());
return;
}
}
v8SetReturnValue(info, v8Result);
return;
}
ASSERT_NOT_REACHED();
v8SetReturnValueNull(info);
}
