public class JwtAuthenticationFilter extends OncePerRequestFilter {
    private final JwtTokenProvider tokenProvider;

    public JwtAuthenticationFilter(JwtTokenProvider tokenProvider) {
        this.tokenProvider = tokenProvider;
    }

    @Override
    protected void doFilterInternal(HttpServletRequest request, FilterChain chain) throws ServletException, IOException {
        String token = tokenProvider.resolveToken(request);
        if (token != null && tokenProvider.validateToken(token)) {
            String username = tokenProvider.getUsernameFromToken(token);
            UsernamePasswordAuthenticationToken authentication = new UsernamePasswordAuthenticationToken(username, null, null);
            authentication.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
            SecurityContextHolder.getContext().setAuthentication(authentication);
        }
        chain.doFilter(request, response);
    }
}