Spring Security：向 Spring 当局提取 oidc 角色声明

Question

OAuth2AuthenticationToken我正在尝试从被检测为 Spring Security 机构的角色声明中获取角色声明。在 OIDC 提供者端（在我的例子中是 Azure AD）定义了一个自定义角色，该角色嵌套在 中DefaultOidcUser，但不会自动添加到权限中：

我尝试像这样从 Jwt 令牌中提取它们

但是，当我这样做时，以下方法都不会被调用（无论是在登录期间，还是稍后，即使在默认配置中）：

• JwtGrantedAuthoritiesConverter.convert(Jwt)
• JwtAuthenticationConverter.convert(Jwt)
• JwtAuthenticationConverter.extractAuthorities(Jwt)

我当前的配置是：

@EnableWebSecurity
@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true)
@Import(SecurityProblemSupport.class)
public class SecurityConfiguration extends WebSecurityConfigurerAdapter {

@Override
    public void configure(HttpSecurity http) throws Exception {
        // @formatter:off
        http
            .csrf()
            <some more config that has nothing to do with oauth/oidc>
            .and()
            .oauth2Login()
            .and()
            .oauth2ResourceServer()
            .jwt()
            .jwtAuthenticationConverter(jwtAuthenticationConverter())
            .and()
            .and()
            .oauth2Client()
        ;
    }

    private JwtAuthenticationConverter jwtAuthenticationConverter() {
        // create a custom JWT converter to map the roles from the token as granted authorities
        JwtGrantedAuthoritiesConverter jwtGrantedAuthoritiesConverter = new JwtGrantedAuthoritiesConverter();
        jwtGrantedAuthoritiesConverter.setAuthoritiesClaimName("roles");     
        JwtAuthenticationConverter jwtAuthenticationConverter = new JwtAuthenticationConverter();
        jwtAuthenticationConverter.setJwtGrantedAuthoritiesConverter(jwtGrantedAuthoritiesConverter);
        return jwtAuthenticationConverter;
    }
}

我也尝试过

CustomJwtAuthConverter implements Converter<Jwt, AbstractAuthenticationToken>

但无济于事。

任何帮助，将不胜感激。

Answer 1

设法使用权限映射器来实现它，该映射器还从 oidcToken 中提取声明：

public class SecurityConfiguration extends WebSecurityConfigurerAdapter {
    
    [...]
   
    @Bean
    public GrantedAuthoritiesMapper userAuthoritiesMapper() {
        return authorities -> {
            Set<GrantedAuthority> mappedAuthorities = new HashSet<>();

            authorities.forEach(
                authority -> {
                    // Check for OidcUserAuthority because Spring Security 5.2 returns
                    // each scope as a GrantedAuthority, which we don't care about.
                    if (authority instanceof OidcUserAuthority) {
                        OidcUserAuthority oidcUserAuthority = (OidcUserAuthority) authority;
                        mappedAuthorities.addAll(SecurityUtils.extractAuthorityFromClaims(oidcUserAuthority.getUserInfo().getClaims()));
                        mappedAuthorities.addAll(SecurityUtils.extractAuthorityFromClaims(oidcUserAuthority.getIdToken().getClaims()));
                    }
                }
            );
            return mappedAuthorities;
        };
    }

}

以及 SecurityUtils 内部：

public static List<GrantedAuthority> extractAuthorityFromClaims(Map<String, Object> claims) {
        return mapRolesToGrantedAuthorities(getRolesFromClaims(claims));
    }
private static List<GrantedAuthority> mapRolesToGrantedAuthorities(Collection<String> roles) {
        return roles.stream().filter(role -> role.startsWith("ROLE_")).map(SimpleGrantedAuthority::new).collect(Collectors.toList());
    }

之后，自定义角色应该出现在mappedAuthorities 中，并出现在令牌的权限中。从而使得注释“hasRole”和“hasAuthority”可以使用。