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13693261870

2022-09-16 653761a31dfeb50dd3d007e892d69c90bf0cdafc

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package com.landtool.lanbase.common.xss;
 
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 org.slf4j.Logger;
import org.slf4j.LoggerFactory;
 
/**
 * @author lanbase
 * @Description: TODO(XSS过滤)
 * @date 2017-6-23 15:07
 */
public class XssFilter implements Filter {
    private Logger logger = LoggerFactory.getLogger(getClass());
    // 排除的url
    private String exclude;
 
    public XssFilter(String exclude) {
        this.exclude = exclude;
    }
 
    @Override
    public void init(FilterConfig config) throws ServletException {
    }
 
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        HttpServletRequest httpRequest = (HttpServletRequest) request;
        String uri=httpRequest.getRequestURI();
        logger.debug("doFilter----uri:" + uri);
        if(uri.indexOf(".") == -1 && !uri.contains(exclude)){
            XssHttpServletRequestWrapper xssRequest = new XssHttpServletRequestWrapper((HttpServletRequest) request);
            chain.doFilter(xssRequest, response);
        }else{
            chain.doFilter(request, response);
        }
    }
 
    @Override
    public void destroy() {
    }
 
}