Autoriser les OPTIONS de la méthode HTTP pour la requête oauth / token

j'essaie d'activer la récupération de jeton oauth2 pour mon application angulaire. Ma configuration fonctionne bien (l'authentification fonctionne correctement pour toutes les requêtes, La récupération des tokens fonctionne aussi bien) mais il y a un problème.

CORS exigent qu'avant D'envoyer une requête D'OPTIONS, GET soit envoyé au serveur. Pour empirer les choses, cette requête ne contient aucun en-tête d'authentification. Je voudrais que cette demande revienne toujours avec 200 statuts sans tout d'authentification sur le serveur. Est-il possible? Peut-être que je manque quelque chose

mon ressort de sécurité config:

@Configuration
@EnableWebSecurity
@EnableAuthorizationServer
public class SecurityConfig extends WebSecurityConfigurerAdapter {

private static final Logger log = LoggerFactory.getLogger(SecurityConfig.class);

@Inject
private UserService userService;

@Bean
public TokenStore tokenStore() {
    return new InMemoryTokenStore();
}

@Bean
public DefaultTokenServices tokenServices() {
    DefaultTokenServices defaultTokenServices = new DefaultTokenServices();
    defaultTokenServices.setTokenStore(tokenStore());
    return defaultTokenServices;
}

@Bean
public WebResponseExceptionTranslator webResponseExceptionTranslator() {
    return new DefaultWebResponseExceptionTranslator() {

        @Override
        public ResponseEntity<OAuth2Exception> translate(Exception e) throws Exception {
            ResponseEntity<OAuth2Exception> responseEntity = super.translate(e);
            OAuth2Exception body = responseEntity.getBody();
            HttpHeaders headers = new HttpHeaders();
            headers.setAll(responseEntity.getHeaders().toSingleValueMap());
            headers.set("Access-Control-Allow-Origin", "*");
            headers.set("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, PUT");
            headers.set("Access-Control-Max-Age", "3600");
            headers.set("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
            return new ResponseEntity<>(body, headers, responseEntity.getStatusCode());
        }

    };
}

@Bean
public AuthorizationServerConfigurer authorizationServerConfigurer() {
    return new AuthorizationServerConfigurer() {

        @Override
        public void configure(AuthorizationServerSecurityConfigurer security) throws Exception {
            OAuth2AuthenticationEntryPoint oAuth2AuthenticationEntryPoint = new OAuth2AuthenticationEntryPoint();
            oAuth2AuthenticationEntryPoint.setExceptionTranslator(webResponseExceptionTranslator());
            security.authenticationEntryPoint(oAuth2AuthenticationEntryPoint);
        }

        @Override
        public void configure(ClientDetailsServiceConfigurer clients) throws Exception {
            clients.inMemory()
                    .withClient("secret-client")
                    .secret("secret")
                    .authorizedGrantTypes("password", "authorization_code", "refresh_token", "implicit")
                    .authorities("ROLE_LOGIN")
                    .scopes("read", "write", "trust")
                    .accessTokenValiditySeconds(60 * 60 * 12); // 12 hours
        }

        @Override
        public void configure(AuthorizationServerEndpointsConfigurer endpoints) throws Exception {
            endpoints.tokenServices(tokenServices());
            endpoints.authenticationManager(authenticationManager());
        }
    };
}

@Override
protected AuthenticationManager authenticationManager() throws Exception {
    return new AuthenticationManager() {

        @Override
        public Authentication authenticate(Authentication authentication) throws AuthenticationException {
            log.warn("FIX ME: REMOVE AFTER DEBUG!!!!!!!!!!!!");                
            log.debug("authenticate: " + authentication.getPrincipal() + ":" + authentication.getCredentials());
            final Collection<GrantedAuthority> authorities = new ArrayList<>();
            WomarUser user = userService.findUser(authentication.getPrincipal().toString(), authentication.getCredentials().toString());
            for (UserRole userRole : user.getRoles()) {
                authorities.add(new SimpleGrantedAuthority(userRole.getName()));

            }
            return new UsernamePasswordAuthenticationToken(user.getLogin(), user.getPassword(), authorities);
        }

    };
}

@Bean
public OAuth2AuthenticationManager auth2AuthenticationManager() {
    OAuth2AuthenticationManager oAuth2AuthenticationManager = new OAuth2AuthenticationManager();
    oAuth2AuthenticationManager.setTokenServices(tokenServices());
    return oAuth2AuthenticationManager;
}

@Bean
public OAuth2AuthenticationProcessingFilter auth2AuthenticationProcessingFilter() throws Exception {
    OAuth2AuthenticationProcessingFilter oAuth2AuthenticationProcessingFilter = new OAuth2AuthenticationProcessingFilter();
    oAuth2AuthenticationProcessingFilter.setAuthenticationManager(auth2AuthenticationManager());
    return oAuth2AuthenticationProcessingFilter;
}

@Override
protected void configure(HttpSecurity http) throws Exception {

    OAuth2AuthenticationEntryPoint oAuth2AuthenticationEntryPoint = new OAuth2AuthenticationEntryPoint();
    oAuth2AuthenticationEntryPoint.setRealmName("realmName");
    oAuth2AuthenticationEntryPoint.setTypeName("Basic");
    oAuth2AuthenticationEntryPoint.setExceptionTranslator(webResponseExceptionTranslator());
    http
            .antMatcher("/**").httpBasic()
            .authenticationEntryPoint(oAuth2AuthenticationEntryPoint)
            .and().addFilterBefore(auth2AuthenticationProcessingFilter(), BasicAuthenticationFilter.class)
            .authorizeRequests()
            .antMatchers("/rest/womar/admin/**").hasRole("ADMIN")
            .antMatchers("/rest/womar/**").hasRole("USER");
}

}

demande angulaire:

var config = {
params: {
    grant_type: 'password',
    username: login,
    password: password

},
headers: {
    Authorization: 'Basic ' + Base64.encode('secret-client' + ':' + 'secret')
}
};
$http.get("http://localhost:8080/oauth/token", config)
    .success(function(data, status) {
        $log.log('success');
        $log.log(data);
        $log.log(status);
    })
    .error(function(data, status) {
        $log.log('error');
        $log.log(data);
        $log.log(status);
    });