package usersys;
//import java.io.BufferedWriter;
import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import jmode.util.db.JmodeConnection;
import jmode.lang.JmodeError;
import jmode.util.JmodeUtil;



public class JModeASPUserFiler implements Filter {
	public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain)  throws IOException, ServletException {

		JModeASPUser 	beanObject			= null;
		JmodeConnection		l_Connection		= null;
		try{
			HttpSession		session			= ((HttpServletRequest)req).getSession();
		    String			pagaName;
		    String			pageNameTrust;
		    String			l_tempString	= ((HttpServletRequest)req).getRequestURI();

			if(l_tempString.matches("(\\A/[^/]+)(/faces)(/contents/img)(/[^/]+)(/.*\\Z)")){
				

				chain.doFilter(req, res);
				return;
			}

			if(session == null){
				JmodeError.operatingErrorReport("400001","JModeASPUserFiler.java",null,"");
				((HttpServletResponse)res).sendError(HttpServletResponse.SC_UNAUTHORIZED);
				
				return;
			}
			
		    
			beanObject = (JModeASPUser)session.getAttribute("userSystem");
			if(beanObject == null || beanObject.isLogined() == false){
				JmodeError.operatingErrorReport("400002","JModeASPUserFiler.java",null,beanObject == null ? "bean null":"do not logged in");
				((HttpServletResponse)res).sendError(HttpServletResponse.SC_UNAUTHORIZED);
				return;
			}

			
			if(l_tempString.matches("(\\A/[^/]+)(/faces)(/contents/[^/]+\\.js\\Z)")){
				

				chain.doFilter(req, res);
				return;
			}

			if(l_tempString.matches("(\\A/[^/]+)(/faces)(/contents/[^/]+\\.css\\Z)")){
				

				chain.doFilter(req, res);
				return;
			}

			if(l_tempString.matches("(\\A/[^/]+)(/contents/[^/]+\\.js\\Z)")){
				

				chain.doFilter(req, res);
				return;
			}

			if(l_tempString.matches("(\\A/[^/]+)(/contents/[^/]+\\.css\\Z)")){
				

				chain.doFilter(req, res);
				return;
			}

			if(l_tempString.matches("(\\A/[^/]+)(/[^/]+\\.js\\Z)")){
				

				chain.doFilter(req, res);
				return;
			}

			if(l_tempString.matches("(\\A/[^/]+)(/[^/]+\\.css\\Z)")){
				

				chain.doFilter(req, res);
				return;
			}
			

			if(l_tempString.matches("(\\A/[^/]+)(/faces)(/[^/]+\\.js\\Z)")){
				

				chain.doFilter(req, res);
				return;
			}

			if(l_tempString.matches("(\\A/[^/]+)(/faces)(/[^/]+\\.css\\Z)")){
				

				chain.doFilter(req, res);
				return;
			}
			
			if(l_tempString.matches("(\\A/[^/]+)(/faces)(/contents)(/[^/]+)(/[^/]+\\.js\\Z)")){
				

				chain.doFilter(req, res);
				return;
			}

			if(l_tempString.matches("(\\A/[^/]+)(/faces)(/contents)(/[^/]+)(/[^/]+\\.css\\Z)")){
				

				chain.doFilter(req, res);
				return;
			}
			
			if(l_tempString.matches("(\\A/[^/]+)(/faces)(/contents)(/[^/]+)(/[^/]+)(/[^/]+\\.js\\Z)")){
				

				chain.doFilter(req, res);
				return;
			}

			if(l_tempString.matches("(\\A/[^/]+)(/faces)(/contents)(/[^/]+)(/[^/]+)(/[^/]+\\.css\\Z)")){
				

				chain.doFilter(req, res);
				return;
			}
			/****************************************************************************************************/
			pagaName = JmodeUtil.getAccessPage((HttpServletRequest)req);
			pageNameTrust = ((HttpServletRequest)req).getRequestURI();
			if(pagaName == null){

				((HttpServletResponse)res).sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
				JmodeError.systemErrorReport("400005","JModeASPUserFiler.java",new Exception(),"",beanObject);
				return;
			}
			
			
			JmodeASPUserLog.writeLog(beanObject,pageNameTrust,"ACCESS");

			
			if(pagaName.length() != 0){
				if(beanObject.getNextPage() == null || ! beanObject.getNextPage().equals(pagaName)){
					((HttpServletResponse)res).sendError(HttpServletResponse.SC_BAD_REQUEST);
					return;
				}
				
				if(! beanObject.permissionTableIsExist()){

					l_Connection =  beanObject.createConnection();
					if(l_Connection.connect() == false){
						l_Connection.rollback();
						l_Connection.close();
						((HttpServletResponse)res).sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
						JmodeError.systemErrorReport("400003","JModeASPUserFiler.java",new Exception(),"",beanObject);
						return;
					}
					
					
				}
				
				beanObject.isAccessable(pagaName,l_Connection);
				
				

				
				if(l_Connection != null){
					l_Connection.rollback();
					l_Connection.close();
					l_Connection = null;
				}
			}
			/****************************************************************************************************/
			chain.doFilter(req, res);
		}catch(Exception e){
			if(l_Connection != null){
				l_Connection.rollback();
				l_Connection.close();
			}
			
			JmodeError.debugWrite("dddd" + e);
			
			JmodeError.systemErrorReport("500000","JModeASPUserFiler.java",e,"",beanObject);
			((HttpServletResponse)res).sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
			return;
		}
		
		
	}
	public void init(FilterConfig config) throws ServletException {
	}
	public void destroy() {
	}
	
	/* (Ӗ Javadoc)
	 * @see java.lang.Object#finalize()
	 */
	protected void finalize() throws Throwable {
		if(JModeASPUser.logsys != null){
			JModeASPUser.logsys.flush();
		}
		super.finalize();
	}

}