BindingSecurityBase.cpp   [plain text]

/*
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 * 
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#include "config.h"
#include "BindingSecurityBase.h"

#include "DOMWindow.h"
#include "Document.h"
#include "Frame.h"
#include "SecurityOrigin.h"

namespace WebCore {

DOMWindow* BindingSecurityBase::getDOMWindow(Frame* frame)
{
    return frame->domWindow();
}

Frame* BindingSecurityBase::getFrame(Node* node)
{
    return node->document()->frame();
}

bool BindingSecurityBase::canAccess(DOMWindow* activeWindow, DOMWindow* targetWindow)
{
    ASSERT(targetWindow);
    if (activeWindow == targetWindow)
        return true;

    if (!activeWindow)
        return false;

    SecurityOrigin* activeSecurityOrigin = activeWindow->securityOrigin();
    SecurityOrigin* targetSecurityOrigin = targetWindow->securityOrigin();

    // We have seen crashes were the security origin of the target has not been
    // initialized. Defend against that.
    if (!targetSecurityOrigin)
        return false;

    if (activeSecurityOrigin->canAccess(targetSecurityOrigin))
        return true;

    return false;
}

}