/* * Copyright 1999-2018 Alibaba Group Holding Ltd. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.alibaba.nacos.console.filter; import org.springframework.web.filter.OncePerRequestFilter; import javax.servlet.FilterChain; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.io.IOException; /** * XSS filter. * @author onewe */ public class XssFilter extends OncePerRequestFilter { private static final String CONTENT_SECURITY_POLICY_HEADER = "Content-Security-Policy"; private static final String CONTENT_SECURITY_POLICY = "script-src 'self'"; @Override protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException { response.setHeader(CONTENT_SECURITY_POLICY_HEADER, CONTENT_SECURITY_POLICY); filterChain.doFilter(request, response); } }