コード例 #1
0
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();
}
コード例 #2
0
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();
}
コード例 #3
0
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.
    LocalDOMWindow* window = V8Window::toNative(info.Holder());
    LocalDOMWindow* 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<TreatNullAndUndefinedAsNullString>, 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();
}