| | |
| | | package com.ruoyi.common.filter; |
| | | |
| | | import com.ruoyi.common.enums.HttpMethod; |
| | | import com.ruoyi.common.utils.StringUtils; |
| | | |
| | | import jakarta.servlet.*; |
| | | import jakarta.servlet.http.HttpServletRequest; |
| | | import jakarta.servlet.http.HttpServletResponse; |
| | | import java.io.IOException; |
| | | import java.util.ArrayList; |
| | | import java.util.List; |
| | | import java.util.regex.Matcher; |
| | | import java.util.regex.Pattern; |
| | | 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 com.ruoyi.common.utils.StringUtils; |
| | | |
| | | /** |
| | | * 防止XSS攻击的过滤器 |
| | | * |
| | | * |
| | | * @author ruoyi |
| | | */ |
| | | public class XssFilter implements Filter |
| | | { |
| | | public class XssFilter implements Filter { |
| | | /** |
| | | * 排除链接 |
| | | */ |
| | | public List<String> excludes = new ArrayList<>(); |
| | | |
| | | /** |
| | | * xss过滤开关 |
| | | */ |
| | | public boolean enabled = false; |
| | | |
| | | @Override |
| | | public void init(FilterConfig filterConfig) throws ServletException |
| | | { |
| | | public void init(FilterConfig filterConfig) throws ServletException { |
| | | String tempExcludes = filterConfig.getInitParameter("excludes"); |
| | | String tempEnabled = filterConfig.getInitParameter("enabled"); |
| | | if (StringUtils.isNotEmpty(tempExcludes)) |
| | | { |
| | | if (StringUtils.isNotEmpty(tempExcludes)) { |
| | | String[] url = tempExcludes.split(","); |
| | | for (int i = 0; url != null && i < url.length; i++) |
| | | { |
| | | for (int i = 0; url != null && i < url.length; i++) { |
| | | excludes.add(url[i]); |
| | | } |
| | | } |
| | | if (StringUtils.isNotEmpty(tempEnabled)) |
| | | { |
| | | enabled = Boolean.valueOf(tempEnabled); |
| | | } |
| | | } |
| | | |
| | | @Override |
| | | public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) |
| | | throws IOException, ServletException |
| | | { |
| | | throws IOException, ServletException { |
| | | HttpServletRequest req = (HttpServletRequest) request; |
| | | HttpServletResponse resp = (HttpServletResponse) response; |
| | | if (handleExcludeURL(req, resp)) |
| | | { |
| | | if (handleExcludeURL(req, resp)) { |
| | | chain.doFilter(request, response); |
| | | return; |
| | | } |
| | |
| | | chain.doFilter(xssRequest, response); |
| | | } |
| | | |
| | | private boolean handleExcludeURL(HttpServletRequest request, HttpServletResponse response) |
| | | { |
| | | if (!enabled) |
| | | { |
| | | private boolean handleExcludeURL(HttpServletRequest request, HttpServletResponse response) { |
| | | String url = request.getServletPath(); |
| | | String method = request.getMethod(); |
| | | // GET DELETE 不过滤 |
| | | if (method == null || HttpMethod.GET.matches(method) || HttpMethod.DELETE.matches(method)) { |
| | | return true; |
| | | } |
| | | if (excludes == null || excludes.isEmpty()) |
| | | { |
| | | return false; |
| | | } |
| | | String url = request.getServletPath(); |
| | | for (String pattern : excludes) |
| | | { |
| | | Pattern p = Pattern.compile("^" + pattern); |
| | | Matcher m = p.matcher(url); |
| | | if (m.find()) |
| | | { |
| | | return true; |
| | | } |
| | | } |
| | | return false; |
| | | return StringUtils.matches(url, excludes); |
| | | } |
| | | |
| | | @Override |
| | | public void destroy() |
| | | { |
| | | public void destroy() { |
| | | |
| | | } |
| | | } |
| | | } |