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module com {  module sun {  module star {  module security {


/** Interface for checking permissions and invoking privileged or restricted
    actions.

    @since OOo 1.1.2
*/
published interface XAccessController : com::sun::star::uno::XInterface
{
    /** Determines whether the access request indicated by the specified
        permission should be allowed or denied, based on the security policy
        currently in effect.
        The semantics are equivalent to the security permission classes of
        the Java platform.
        <p>
        You can also pass a sequence of permissions (sequence< any >) to check
        a set of permissions, e.g. for performance reasons.
        This method quietly returns if the access request is permitted,
        or throws a suitable AccessControlException otherwise.
        </p>

        @param perm
               permission to be checked

        @throws AccessControlException
                thrown if access is denied

        @see ::com::sun::star::security::AccessControlException
        @see ::com::sun::star::security::AllPermission
        @see ::com::sun::star::security::RuntimePermission
        @see ::com::sun::star::io::FilePermission
        @see ::com::sun::star::connection::SocketPermission
    */
    void checkPermission(
        [in] any perm )
        raises (AccessControlException);

    /** Perform the specified action restricting permissions to the given
        XAccessControlContext.
        The action is performed with the intersection of the permissions of the currently installed
        XAccessControlContext, the given XAccessControlContext and the security policy currently
        in effect.  The latter includes static security, e.g. based on user credentials.
        <p>
        If the specified XAccessControlContext is null, then the action is performed
        with unmodified permissions, i.e. the call makes no sense.
        </p>

        @param action
               action object to be executed
        @param restriction
               access control context to restrict permission; null for no restriction
        @return
                result
        @throws com::sun::star::uno::Exception
                any UNO exception may be thrown
    */
    any doRestricted(
        [in] XAction action,
        [in] XAccessControlContext restriction )
        raises (com::sun::star::uno::Exception);

    /** Perform the specified action adding a set of permissions defined by the given
        XAccessControlContext.
        The action is performed with the union of the permissions of the currently installed
        XAccessControlContext, the given XAccessControlContext and the security policy currently
        in effect.  The latter includes static security, e.g. based on user credentials.
        <p>
        If the given XAccessControlContext is null, then the action is performed
        <b>only</b> with the permissions of the security policy currently in effect.
        </p>

        @attention
        Do carefully use this method only for well known use-cases to avoid exploits!
        Script engines executing sandboxed scripts should generally deny calling this
        method.

        @param action
               action object to be executed
        @param restriction
               access control context to restrict permission; null for no restriction
        @return
                result
        @throws com::sun::star::uno::Exception
                any UNO exception may be thrown
    */
    any doPrivileged(
        [in] XAction action,
        [in] XAccessControlContext restriction )
        raises (com::sun::star::uno::Exception);

    /** This method takes a "snapshot" of the current calling context
        and returns it.
        <p>
        This context may then be checked at a later point, possibly in another thread.
        </p>
        @return
                snapshot of context
    */
    XAccessControlContext getContext();
};


}; }; }; };

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