최종 변경 : 2024.03.10
Reissue 엔드포인트에서 Refresh 토큰을 받아 Access 토큰 갱신 시 Refresh 토큰도 함께 갱신하는 방법입니다.
기존 ReissueController 코드에서 일부 로직만 추가하면 된다.
@PostMapping("/reissue")
public ResponseEntity<?> reissue(HttpServletRequest request, HttpServletResponse response) {
//get refresh token
String refresh = null;
Cookie[] cookies = request.getCookies();
for (Cookie cookie : cookies) {
if (cookie.getName().equals("refresh")) {
refresh = cookie.getValue();
}
}
if (refresh == null) {
//response status code
return new ResponseEntity<>("refresh token null", HttpStatus.BAD_REQUEST);
}
//expired check
try {
jwtUtil.isExpired(refresh);
} catch (ExpiredJwtException e) {
//response status code
return new ResponseEntity<>("refresh token expired", HttpStatus.BAD_REQUEST);
}
// 토큰이 refresh인지 확인 (발급시 페이로드에 명시)
String category = jwtUtil.getCategory(refresh);
if (!category.equals("refresh")) {
//response status code
return new ResponseEntity<>("invalid refresh token", HttpStatus.BAD_REQUEST);
}
String username = jwtUtil.getUsername(refresh);
String role = jwtUtil.getRole(refresh);
//make new JWT
String newAccess = jwtUtil.createJwt("access", username, role, 600000L);
String newRefresh = jwtUtil.createJwt("refresh", username, role, 86400000L);
//response
response.setHeader("access", newAccess);
response.addCookie(createCookie("refresh", newRefresh));
return new ResponseEntity<>(HttpStatus.OK);
}