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