static v8::Handle<v8::Value> handlePostMessageCallback(const v8::Arguments& args)
{
DOMWindow* window = V8DOMWindow::toNative(args.Holder());
DOMWindow* source = V8Proxy::retrieveFrameForCallingContext()->domWindow();
ASSERT(source->frame());
bool didThrow = false;
RefPtr<SerializedScriptValue> message = SerializedScriptValue::create(args[0], didThrow);
if (didThrow)
return v8::Undefined();
MessagePortArray portArray;
String targetOrigin;
// This function has variable arguments and can either be:
// postMessage(message, port, targetOrigin);
// or
// postMessage(message, targetOrigin);
v8::TryCatch tryCatch;
if (args.Length() > 2) {
if (!getMessagePortArray(args[1], portArray))
return v8::Undefined();
targetOrigin = toWebCoreStringWithNullOrUndefinedCheck(args[2]);
} else {
targetOrigin = toWebCoreStringWithNullOrUndefinedCheck(args[1]);
}
if (tryCatch.HasCaught())
return v8::Undefined();
ExceptionCode ec = 0;
window->postMessage(message.release(), &portArray, targetOrigin, source, ec);
return throwError(ec);
}
JSValue JSDOMWindow::postMessage(ExecState* exec)
{
DOMWindow* window = impl();
DOMWindow* source = asJSDOMWindow(exec->lexicalGlobalObject())->impl();
PassRefPtr<SerializedScriptValue> message = SerializedScriptValue::create(exec, exec->argument(0));
if (exec->hadException())
return jsUndefined();
MessagePortArray messagePorts;
if (exec->argumentCount() > 2)
fillMessagePortArray(exec, exec->argument(1), messagePorts);
if (exec->hadException())
return jsUndefined();
String targetOrigin = valueToStringWithUndefinedOrNullCheck(exec, exec->argument((exec->argumentCount() == 2) ? 1 : 2));
if (exec->hadException())
return jsUndefined();
ExceptionCode ec = 0;
window->postMessage(message, &messagePorts, targetOrigin, source, ec);
setDOMException(exec, ec);
return jsUndefined();
}
void V8Window::postMessageMethodCustom(
const v8::FunctionCallbackInfo<v8::Value>& info) {
ExceptionState exceptionState(ExceptionState::ExecutionContext, "postMessage",
"Window", info.Holder(), info.GetIsolate());
if (UNLIKELY(info.Length() < 2)) {
exceptionState.throwTypeError(
ExceptionMessages::notEnoughArguments(2, info.Length()));
return;
}
// None of these need to be RefPtr because info and context are guaranteed
// to hold on to them.
DOMWindow* window = V8Window::toImpl(info.Holder());
// TODO(yukishiino): The HTML spec specifies that we should use the
// Incumbent Realm instead of the Current Realm, but currently we don't have
// a way to retrieve the Incumbent Realm. See also:
// https://html.spec.whatwg.org/multipage/comms.html#dom-window-postmessage
LocalDOMWindow* source = currentDOMWindow(info.GetIsolate());
ASSERT(window);
UseCounter::countIfNotPrivateScript(info.GetIsolate(), window->frame(),
UseCounter::WindowPostMessage);
// If called directly by WebCore we don't have a calling context.
if (!source) {
exceptionState.throwTypeError("No active calling context exists.");
return;
}
// This function has variable arguments and can be:
// postMessage(message, targetOrigin)
// postMessage(message, targetOrigin, {sequence of transferrables})
// TODO(foolip): Type checking of the arguments should happen in order, so
// that e.g. postMessage({}, { toString: () => { throw Error(); } }, 0)
// throws the Error from toString, not the TypeError for argument 3.
Transferables transferables;
const int targetOriginArgIndex = 1;
if (info.Length() > 2) {
const int transferablesArgIndex = 2;
if (!SerializedScriptValue::extractTransferables(
info.GetIsolate(), info[transferablesArgIndex],
transferablesArgIndex, transferables, exceptionState)) {
return;
}
}
// TODO(foolip): targetOrigin should be a USVString in IDL and treated as
// such here, without TreatNullAndUndefinedAsNullString.
TOSTRING_VOID(V8StringResource<TreatNullAndUndefinedAsNullString>,
targetOrigin, info[targetOriginArgIndex]);
RefPtr<SerializedScriptValue> message = SerializedScriptValue::serialize(
info.GetIsolate(), info[0], &transferables, nullptr, exceptionState);
if (exceptionState.hadException())
return;
window->postMessage(message.release(), transferables.messagePorts,
targetOrigin, source, exceptionState);
}
void V8Window::postMessageMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
{
ExceptionState exceptionState(ExceptionState::ExecutionContext, "postMessage", "Window", info.Holder(), info.GetIsolate());
if (UNLIKELY(info.Length() < 2)) {
setMinimumArityTypeError(exceptionState, 2, info.Length());
exceptionState.throwIfNeeded();
return;
}
// None of these need to be RefPtr because info and context are guaranteed
// to hold on to them.
DOMWindow* window = V8Window::toImpl(info.Holder());
LocalDOMWindow* source = callingDOMWindow(info.GetIsolate());
ASSERT(window);
UseCounter::countIfNotPrivateScript(info.GetIsolate(), window->frame(), UseCounter::WindowPostMessage);
// If called directly by WebCore we don't have a calling context.
if (!source) {
exceptionState.throwTypeError("No active calling context exists.");
exceptionState.throwIfNeeded();
return;
}
// 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);
OwnPtrWillBeRawPtr<MessagePortArray> portArray = adoptPtrWillBeNoop(new MessagePortArray);
ArrayBufferArray arrayBufferArray;
int targetOriginArgIndex = 1;
if (info.Length() > 2) {
int transferablesArgIndex = 2;
if (isLegacyTargetOriginDesignation(info[2])) {
UseCounter::countIfNotPrivateScript(info.GetIsolate(), window->frame(), UseCounter::WindowPostMessageWithLegacyTargetOriginArgument);
targetOriginArgIndex = 2;
transferablesArgIndex = 1;
}
if (!SerializedScriptValue::extractTransferables(info.GetIsolate(), info[transferablesArgIndex], transferablesArgIndex, *portArray, arrayBufferArray, exceptionState)) {
exceptionState.throwIfNeeded();
return;
}
}
TOSTRING_VOID(V8StringResource<TreatNullAndUndefinedAsNullString>, targetOrigin, info[targetOriginArgIndex]);
RefPtr<SerializedScriptValue> message = SerializedScriptValueFactory::instance().create(info.GetIsolate(), info[0], portArray.get(), &arrayBufferArray, exceptionState);
if (exceptionState.throwIfNeeded())
return;
window->postMessage(message.release(), portArray.get(), targetOrigin, source, exceptionState);
exceptionState.throwIfNeeded();
}
void V8Window::postMessageMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
{
// None of these need to be RefPtr because info and context are guaranteed
// to hold on to them.
DOMWindow* window = V8Window::toNative(info.Holder());
DOMWindow* source = activeDOMWindow();
// If called directly by WebCore we don't have a calling context.
if (!source) {
throwUninformativeAndGenericTypeError(info.GetIsolate());
return;
}
// 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);
MessagePortArray portArray;
ArrayBufferArray arrayBufferArray;
int targetOriginArgIndex = 1;
if (info.Length() > 2) {
int transferablesArgIndex = 2;
if (isLegacyTargetOriginDesignation(info[2])) {
targetOriginArgIndex = 2;
transferablesArgIndex = 1;
}
bool notASequence = false;
if (!extractTransferables(info[transferablesArgIndex], portArray, arrayBufferArray, notASequence, info.GetIsolate())) {
if (notASequence)
throwTypeError(ExceptionMessages::failedToExecute("postMessage", "Window", ExceptionMessages::notAnArrayTypeArgumentOrValue(transferablesArgIndex + 1)), info.GetIsolate());
return;
}
}
V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithUndefinedOrNullCheck>, targetOrigin, info[targetOriginArgIndex]);
bool didThrow = false;
RefPtr<SerializedScriptValue> message =
SerializedScriptValue::create(info[0], &portArray, &arrayBufferArray, didThrow, info.GetIsolate());
if (didThrow)
return;
ExceptionState exceptionState(ExceptionState::ExecutionContext, "postMessage", "Window", info.Holder(), info.GetIsolate());
window->postMessage(message.release(), &portArray, targetOrigin, source, exceptionState);
exceptionState.throwIfNeeded();
}
void V8Window::postMessageMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
{
// None of these need to be RefPtr because info and context are guaranteed
// to hold on to them.
DOMWindow* window = V8Window::toNative(info.Holder());
DOMWindow* source = callingDOMWindow(info.GetIsolate());
ExceptionState exceptionState(ExceptionState::ExecutionContext, "postMessage", "Window", info.Holder(), info.GetIsolate());
// If called directly by WebCore we don't have a calling context.
if (!source) {
exceptionState.throwTypeError("No active calling context exists.");
exceptionState.throwIfNeeded();
return;
}
// 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);
MessagePortArray portArray;
ArrayBufferArray arrayBufferArray;
int targetOriginArgIndex = 1;
if (info.Length() > 2) {
int transferablesArgIndex = 2;
if (isLegacyTargetOriginDesignation(info[2])) {
targetOriginArgIndex = 2;
transferablesArgIndex = 1;
}
if (!SerializedScriptValue::extractTransferables(info[transferablesArgIndex], transferablesArgIndex, portArray, arrayBufferArray, exceptionState, info.GetIsolate())) {
exceptionState.throwIfNeeded();
return;
}
}
TOSTRING_VOID(V8StringResource<WithUndefinedOrNullCheck>, targetOrigin, info[targetOriginArgIndex]);
RefPtr<SerializedScriptValue> message = SerializedScriptValue::create(info[0], &portArray, &arrayBufferArray, exceptionState, info.GetIsolate());
if (exceptionState.throwIfNeeded())
return;
window->postMessage(message.release(), &portArray, targetOrigin, source, exceptionState);
exceptionState.throwIfNeeded();
}
JSValue JSDOMWindow::postMessage(ExecState* exec, const ArgList& args)
{
DOMWindow* window = impl();
DOMWindow* source = asJSDOMWindow(exec->lexicalGlobalObject())->impl();
String message = args.at(0).toString(exec);
if (exec->hadException())
return jsUndefined();
MessagePort* messagePort = (args.size() == 2) ? 0 : toMessagePort(args.at(1));
String targetOrigin = valueToStringWithUndefinedOrNullCheck(exec, args.at((args.size() == 2) ? 1 : 2));
if (exec->hadException())
return jsUndefined();
ExceptionCode ec = 0;
window->postMessage(message, messagePort, targetOrigin, source, ec);
setDOMException(exec, ec);
return jsUndefined();
}
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();
}
