使用keycloak保护Spring Boot服务 - JWT令牌

时间:2017-08-08 08:07:26

标签: spring-boot jwt keycloak bearer-token keycloak-services

所以,我正在使用keycloak来保护我的服务。客户端应用程序从keycloak服务器获取访问令牌,并使用它来保护对Spring启动应用程序的访问。我使用bearer-only访问类型配置了我的Spring Boot应用程序的keycloak属性:

keycloak.realm = master
keycloak.realmKey = ...
keycloak.auth-server-url = http://localhost:8080/auth
keycloak.ssl-required = external
keycloak.resource = boot-app
keycloak.bearer-only = true
keycloak.cors = true

Spring boot keycloak starter:

<dependency>
    <groupId>org.keycloak</groupId>
    <artifactId>keycloak-spring-boot-starter</artifactId>
</dependency>

配置KeycloakWebSecurityConfigurerAdapter:

@Configuration
@ComponentScan(basePackageClasses = KeycloakSecurityComponents.class)
public class KeycloakSecurityConfig extends KeycloakWebSecurityConfigurerAdapter
{
  /**
   * Registers the KeycloakAuthenticationProvider with the authentication manager.
   */
  @Autowired
  public void configureGlobal(final AuthenticationManagerBuilder auth) throws Exception
  {
    final KeycloakAuthenticationProvider keycloakAuthenticationProvider = keycloakAuthenticationProvider();
    keycloakAuthenticationProvider.setGrantedAuthoritiesMapper(new SimpleAuthorityMapper());
    auth.authenticationProvider(keycloakAuthenticationProvider);
  }

  @Bean
  public KeycloakConfigResolver keycloakConfigResolver()
  {
    return new KeycloakSpringBootConfigResolver();
  }

  /**
   * Defines the session authentication strategy.
   */
  @Bean
  @Override
  protected SessionAuthenticationStrategy sessionAuthenticationStrategy()
  {
    return new RegisterSessionAuthenticationStrategy(new SessionRegistryImpl());
  }

  @Override
  protected void configure(final HttpSecurity http) throws Exception
  {
    super.configure(http);
    http
        .authorizeRequests()
        .antMatchers(
            "/v2/api-docs",
            "/configuration/ui",
            "/swagger-resources",
            "/configuration/security",
            "/swagger-ui.html",
            "/webjars/**",
            "/swagger-resources/configuration/ui",
            "/swagge‌​r-ui.html",
            "/swagger-resources/configuration/security").permitAll()
        .antMatchers("/*").hasRole("user")
        .anyRequest().authenticated();
  }
}

现在,一切正常。我的问题是:Bearer令牌是JWT令牌,所有你需要解码它(并验证访问)是公钥,这是

keycloak.realmKey

为什么你需要其他设置,具体来说:

keycloak.auth-server-url

公共密钥不是您需要的一切吗?

提前致谢

2 个答案:

答案 0 :(得分:4)

确实对于bearer-only,您可能想知道为什么需要KC URL但是由于我们使用键旋转,因此realmKey不再是必需的。这意味着您的应用将使用auth-server-url属性从KC服务器动态检索公钥。

答案 1 :(得分:0)

如果您具有spring-boot应用程序,则最新的spring-security可以很好地处理它。您所需要做的就是在应用程序属性和所需的依赖项中定义jwks-uri。

spring.security.oauth2.resourceserver.jwt.jwk-set-uri=http://localhost:8780/auth/realms/my-realm/protocol/openid-connect/certs

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-security</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.security</groupId>
        <artifactId>spring-security-oauth2-resource-server</artifactId>
        <version>5.3.3.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>org.springframework.security</groupId>
        <artifactId>spring-security-oauth2-jose</artifactId>
        <version>5.3.3.RELEASE</version>
    </dependency>

请注意,如果需要,您也可以使用发行人uri代替jwks

spring.security.oauth2.resourceserver.jwt.issuer-uri=http://localhost:8780/auth/realms/my-realm