리프레쉬 토큰 시도 1

@Configuration
@EnableAuthorizationServer
public class AuthorizationServerConfig extends AuthorizationServerConfigurerAdapter {
 
    @Autowired
    private AuthenticationManager authenticationManager;
 
    @Override
    public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
        clients.inMemory()
                .withClient("clientId")
                .secret("secret")
                .authorizedGrantTypes("password", "refresh_token")
                .scopes("read", "write")
                .accessTokenValiditySeconds(3600)
                .refreshTokenValiditySeconds(3600 * 24);
    }
 
    @Override
    public void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {
        endpoints.authenticationManager(authenticationManager)
                 .tokenStore(tokenStore())
                 .accessTokenConverter(accessTokenConverter());
    }
 
    @Bean
    public TokenStore tokenStore() {
        return new InMemoryTokenStore();
    }
 
    @Bean
    public JwtAccessTokenConverter accessTokenConverter() {
        JwtAccessTokenConverter converter = new JwtAccessTokenConverter();
        converter.setSigningKey("signingKey");
        return converter;
    }
}

OAuth2를 이용해서 하는 방법. 참고만 하자.