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