SecurityFilterChain에 jwt토큰 관련 설정을 추가해서 권한에 따라 접근을 허가합니다.

@Component
public class JwtAuthorizationTokenFilter extends OncePerRequestFilter {


    @Autowired
    private JwtTokenUtil jwtTokenUtil;


    @Autowired
    private JwtUserDetailsService jwtUserDetailsService;


    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
            throws ServletException, IOException {
        String authToken = extractAuthTokenFromRequest(request);
        if (authToken != null) {
            String username = jwtTokenUtil.getUsernameFromToken(authToken);
            if (username != null && SecurityContextHolder.getContext().getAuthentication() == null) {
                UserDetails userDetails = jwtUserDetailsService.loadUserByJwtToken(authToken);
                if (jwtTokenUtil.validateToken(authToken, userDetails)) {
                    UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(
                            userDetails, null, userDetails.getAuthorities());
                    authentication.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
                    SecurityContextHolder.getContext().setAuthentication(authentication);
                }
            }
        }
        chain.doFilter(request, response);
    }


    private String extractAuthTokenFromRequest(HttpServletRequest request) {
        String bearerToken = request.getHeader("Authorization");
        if (StringUtils.hasText(bearerToken) && bearerToken.startsWith("Bearer ")) {
            return bearerToken.substring(7, bearerToken.length());
        }
        return null;
    }
}