(BCRM#D4040) [DRM] un_drm.jsp 추가 및 보안강화 샘플 적용

<%!
   private boolean validateFilePath(String path){
      boolean ok = false;
      String strReportPath = XMatrix.PATH_REPORTPATH;
      String strTempPath = XMatrix.getRepOption("TEMP_PATH", strReportPath + File.separatorChar + "_TEMP_");
      if(path.indexOf(strReportPath)==0 || path.indexOf(strTempPath)==0){
         ok = true;
      }
      return ok;
   }
%>
<%
	//drm.jsp소스 내용
	//...............중략
	String srcPath =  RequestWrapper.filter( Util.ifnull(request.getParameter("srcPath"),"") );
	String srcFileName = RequestWrapper.filter( Util.ifnull(request.getParameter("srcFileName"),"") );
	String tgtPath = RequestWrapper.filter( Util.ifnull(request.getParameter("tgtPath"),"") );
	String tgtFileName = RequestWrapper.filter( Util.ifnull(request.getParameter("tgtFileName"),"") );


	//파일경로 필터링 강화
	if(validateFilePath(srcPath) == false || validateFilePath(tgtPath)==false){
	   throw new Exception("file path is wrong");
	}	
%>