Note > 스프링시큐리티 jwt 적용하기jwt토큰을 이용한 권한 확인 필터
By a3040, Published on Invalid Date
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;
}
}