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/*
 * Copyright 1999-2021 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.plugin.auth.impl;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.security.core.AuthenticationException;
import org.springframework.security.web.AuthenticationEntryPoint;
import org.springframework.stereotype.Component;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * jwt auth fail point.
 *
 * @author wfnuser
 */
@Component
public class JwtAuthenticationEntryPoint implements AuthenticationEntryPoint {
    
    private static final Logger LOGGER = LoggerFactory.getLogger(JwtAuthenticationEntryPoint.class);
    
    @Override
    public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException e)
            throws IOException, ServletException {
        LOGGER.error("Responding with unauthorized error. Message:{}, url:{}", e.getMessage(), request.getRequestURI());
        response.sendError(HttpServletResponse.SC_UNAUTHORIZED, "Unauthorized");
    }
}