1 files changed, 82 insertions, 0 deletions
diff --git a/Source/WebCore/bindings/js/JSDOMBindingSecurity.h b/Source/WebCore/bindings/js/JSDOMBindingSecurity.h
new file mode 100644
index 000000000..7b4085a51
--- /dev/null
+++ b/Source/WebCore/bindings/js/JSDOMBindingSecurity.h
@@ -0,0 +1,82 @@
+/*
+ *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
+ *  Copyright (C) 2003-2006, 2008-2009, 2013, 2016 Apple Inc. All rights reserved.
+ *  Copyright (C) 2007 Samuel Weinig <sam@webkit.org>
+ *  Copyright (C) 2009 Google, Inc. All rights reserved.
+ *  Copyright (C) 2012 Ericsson AB. All rights reserved.
+ *  Copyright (C) 2013 Michael Pruett <michael@68k.org>
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#pragma once
+
+#include "ExceptionOr.h"
+#include <wtf/Forward.h>
+
+namespace JSC {
+class ExecState;
+}
+
+namespace WebCore {
+
+class DOMWindow;
+class Frame;
+class Node;
+
+void printErrorMessageForFrame(Frame*, const String& message);
+
+enum SecurityReportingOption { DoNotReportSecurityError, LogSecurityError, ThrowSecurityError };
+
+namespace BindingSecurity {
+
+template<typename T> T* checkSecurityForNode(JSC::ExecState&, T&);
+template<typename T> T* checkSecurityForNode(JSC::ExecState&, T*);
+template<typename T> ExceptionOr<T*> checkSecurityForNode(JSC::ExecState&, ExceptionOr<T*>&&);
+template<typename T> ExceptionOr<T*> checkSecurityForNode(JSC::ExecState&, ExceptionOr<T&>&&);
+
+bool shouldAllowAccessToDOMWindow(JSC::ExecState*, DOMWindow&, SecurityReportingOption = LogSecurityError);
+bool shouldAllowAccessToDOMWindow(JSC::ExecState&, DOMWindow&, String& message);
+bool shouldAllowAccessToFrame(JSC::ExecState*, Frame*, SecurityReportingOption = LogSecurityError);
+bool shouldAllowAccessToFrame(JSC::ExecState&, Frame&, String& message);
+bool shouldAllowAccessToNode(JSC::ExecState&, Node*);
+
+};
+
+template<typename T> inline T* BindingSecurity::checkSecurityForNode(JSC::ExecState& state, T& node)
+{
+    return shouldAllowAccessToNode(state, &node) ? &node : nullptr;
+}
+
+template<typename T> inline T* BindingSecurity::checkSecurityForNode(JSC::ExecState& state, T* node)
+{
+    return shouldAllowAccessToNode(state, node) ? node : nullptr;
+}
+
+template<typename T> inline ExceptionOr<T*> BindingSecurity::checkSecurityForNode(JSC::ExecState& state, ExceptionOr<T*>&& value)
+{
+    if (value.hasException())
+        return value.releaseException();
+    return checkSecurityForNode(state, value.releaseReturnValue());
+}
+
+template<typename T> inline ExceptionOr<T*> BindingSecurity::checkSecurityForNode(JSC::ExecState& state, ExceptionOr<T&>&& value)
+{
+    if (value.hasException())
+        return value.releaseException();
+    return checkSecurityForNode(state, value.releaseReturnValue());
+}
+
+} // namespace WebCore