From 5d7b65670282a4fad015e37d567cfa171b162052 Mon Sep 17 00:00:00 2001
From: huliguo <2023611923@qq.com>
Date: 星期二, 20 五月 2025 12:25:19 +0800
Subject: [PATCH] 基础代码
---
pt-common/src/main/java/com/ruoyi/common/filter/XssFilter.java | 75 +++++++++++++++++++++++++++++++++++++
1 files changed, 75 insertions(+), 0 deletions(-)
diff --git a/pt-common/src/main/java/com/ruoyi/common/filter/XssFilter.java b/pt-common/src/main/java/com/ruoyi/common/filter/XssFilter.java
new file mode 100644
index 0000000..5c4cbe4
--- /dev/null
+++ b/pt-common/src/main/java/com/ruoyi/common/filter/XssFilter.java
@@ -0,0 +1,75 @@
+package com.ruoyi.common.filter;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+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;
+import com.ruoyi.common.enums.HttpMethod;
+
+/**
+ * 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<>();
+
+ @Override
+ public void init(FilterConfig filterConfig) throws ServletException
+ {
+ String tempExcludes = filterConfig.getInitParameter("excludes");
+ if (StringUtils.isNotEmpty(tempExcludes))
+ {
+ String[] urls = tempExcludes.split(",");
+ for (String url : urls)
+ {
+ excludes.add(url);
+ }
+ }
+ }
+
+ @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)
+ {
+ 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;
+ }
+ return StringUtils.matches(url, excludes);
+ }
+
+ @Override
+ public void destroy()
+ {
+
+ }
+}
\ No newline at end of file
--
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