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securitypolicy.h

// -*- c++ -*-

/*
 *  Copyright (C) 2001-2003, Richard J. Moore <rich@kde.org>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library 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
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 *  Boston, MA 02111-1307, USA.
 */

#ifndef KJSEMBEDSECURITYPOLICY_H
#define KJSEMBEDSECURITYPOLICY_H

#include <kjsembed/jsobjectproxy.h>

namespace KJSEmbed {

class JSObjectProxy;

class JSSecurityPolicy
{
public:    
    JSSecurityPolicy( uint capabilities = 0 );
    virtual ~JSSecurityPolicy();

    enum Capabilities {
        CapabilityTree = 1,
        CapabilityGetProperties = 2,
        CapabilitySetProperties = 4,
        CapabilitySlots = 8,
        CapabilityFactory = 16,
        CapabilityTopLevel = 32,
        CapabilityCustom = 1024,

        CapabilityNone = 0,
        CapabilityReadOnly = CapabilityTree | CapabilityGetProperties,
        CapabilityReadWrite = CapabilityReadOnly | CapabilitySetProperties | CapabilitySlots,
        CapabilityAll = -1
    };

    bool hasCapability( uint cap ) const { return (cap & caps) ? true : false; }

    void setCapability( uint f ) { caps = caps | f; }

    void clearCapability( uint f ) { caps = caps | (CapabilityAll & f); }

    virtual bool isInterpreterAllowed( const JSObjectProxy *prx, const KJS::Interpreter *interp ) const;

    virtual bool isObjectAllowed( const JSObjectProxy *prx, const QObject *obj ) const;

    virtual bool isPropertyAllowed( const JSObjectProxy *prx, const QObject *obj, const char *prop ) const;

    virtual bool isCreateAllowed( const JSObjectProxy *prx, const QObject *parent,
                                  const QString &clazz, const QString &name ) const;

    static JSSecurityPolicy *defaultPolicy();

    static void setDefaultPolicy( JSSecurityPolicy *pol );

    static void setDefaultPolicy( uint capabilities );

    static void deleteDefaultPolicy();

private:
    static JSSecurityPolicy *policy;
    uint caps;
    class Private *d;
};

}; // namespace KJSEmbed

#endif // KJSEMBEDSECURITYPOLICY_H

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