package com.ycl.component;
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import com.ycl.entity.auth.AuthInfo;
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import com.ycl.utils.JwtTokenUtil;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
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import org.springframework.security.core.context.SecurityContextHolder;
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import org.springframework.security.core.userdetails.UserDetails;
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import org.springframework.security.core.userdetails.UserDetailsService;
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import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
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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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* JWT登录授权过滤器
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*/
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public class JwtAuthenticationTokenFilter extends OncePerRequestFilter {
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private static final Logger LOGGER = LoggerFactory.getLogger(JwtAuthenticationTokenFilter.class);
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@Autowired
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private UserDetailsService userDetailsService;
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@Autowired
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private JwtTokenUtil jwtTokenUtil;
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@Value("${jwt.tokenHeader}")
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private String tokenHeader;
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@Value("${jwt.tokenHead}")
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private String tokenHead;
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@Override
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protected void doFilterInternal(HttpServletRequest request,
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HttpServletResponse response,
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FilterChain chain) throws ServletException, IOException {
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// System.out.println(request);
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// Enumeration<String> headerNames = request.getHeaderNames();
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// while (headerNames.hasMoreElements()){
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// System.out.println(headerNames.nextElement());
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// }
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String authHeader = request.getHeader(this.tokenHeader);
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if (authHeader != null && authHeader.startsWith(this.tokenHead)) {
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String authToken = authHeader.substring(this.tokenHead.length());// The part after "Bearer "
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AuthInfo authInfo = jwtTokenUtil.parseToken(authToken);
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String username = authInfo.getUsername();
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LOGGER.info("checking username:{}", username);
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if (username != null && SecurityContextHolder.getContext().getAuthentication() == null) {
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UserDetails userDetails = this.userDetailsService.loadUserByUsername(authInfo.getUsername());
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if (jwtTokenUtil.validateToken(authToken, userDetails)) {
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UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(userDetails, null, userDetails.getAuthorities());
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authentication.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
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LOGGER.info("authenticated user:{}", username);
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SecurityContextHolder.getContext().setAuthentication(authentication);
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}
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}
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}
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chain.doFilter(request, response);
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}
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}
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