Spring Authorization Server 实现统一认证

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Spring Authorization Server(一)

官方主页：spring.io/projects/sp…

版本要求：

  • Spring Authorization Server 版本：1.1.2
  • JDK 版本：17
  • Spring Boot 版本：3.1.4

认证/授权服务器搭建 Spring Authorization Server重要组件：

  1. SecurityFilterChain -> authorizationServerSecurityFilterChain Spring Security的过滤器链，用于协议端点的。
  2. SecurityFilterChain -> defaultSecurityFilterChain Spring Security的过滤器链，用于Spring Security的身份认证
  3. UserDetailsService 主要进行用户身份验证
  4. RegisteredClientRepository 主要用于管理客户端
  5. JWKSource 用于签名访问令牌
  6. KeyPair 启动时生成的带有密钥的KeyPair实例，用于创建上面的JWKSource
  7. JwtDecoder JwtDecoder的一个实例，用于解码已签名的访问令牌
  8. AuthorizationServerSettings 用于配置Spring Authorization Server的AuthorizationServerSettings实例。

添加pom文件

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-oauth2-authorization-server</artifactId>
</dependency>

完整pom文件

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>3.1.4</version>
        <relativePath/>
    </parent>
    <groupId>com.natalia</groupId>
    <artifactId>natalia-authorization</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>auth-server</name>
    <description>natalia-authorization</description>
    <properties>
        <java.version>17</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-oauth2-authorization-server</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>

yml配置文件

server:
  port: 9000
logging:
  level:
    org.springframework.security: trace

SpringAuthorizationServer相关配置

import com.nimbusds.jose.jwk.JWKSet;
import com.nimbusds.jose.jwk.RSAKey;
import com.nimbusds.jose.jwk.source.ImmutableJWKSet;
import com.nimbusds.jose.jwk.source.JWKSource;
import com.nimbusds.jose.proc.SecurityContext;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.annotation.Order;
import org.springframework.http.MediaType;
import org.springframework.security.config.Customizer;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.oauth2.core.AuthorizationGrantType;
import org.springframework.security.oauth2.core.ClientAuthenticationMethod;
import org.springframework.security.oauth2.core.oidc.OidcScopes;
import org.springframework.security.oauth2.jwt.JwtDecoder;
import org.springframework.security.oauth2.server.authorization.client.InMemoryRegisteredClientRepository;
import org.springframework.security.oauth2.server.authorization.client.RegisteredClient;
import org.springframework.security.oauth2.server.authorization.client.RegisteredClientRepository;
import org.springframework.security.oauth2.server.authorization.config.annotation.web.configuration.OAuth2AuthorizationServerConfiguration;
import org.springframework.security.oauth2.server.authorization.config.annotation.web.configurers.OAuth2AuthorizationServerConfigurer;
import org.springframework.security.oauth2.server.authorization.settings.AuthorizationServerSettings;
import org.springframework.security.oauth2.server.authorization.settings.ClientSettings;
import org.springframework.security.provisioning.InMemoryUserDetailsManager;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.LoginUrlAuthenticationEntryPoint;
import org.springframework.security.web.util.matcher.MediaTypeRequestMatcher;

import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import java.util.UUID;


@Configuration
@EnableWebSecurity
public class AuthorizationServerConfig {

    /**
     * Spring Authorization Server 相关配置
     * 主要配置OAuth 2.1和OpenID Connect 1.0
     *
     * @param http
     * @return
     * @throws Exception
     */
    @Bean
    @Order(1)
    public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http)
            throws Exception {
        OAuth2AuthorizationServerConfiguration.applyDefaultSecurity(http);
        http.getConfigurer(OAuth2AuthorizationServerConfigurer.class)
                //开启OpenID Connect 1.0（其中oidc为OpenID Connect的缩写）
                .oidc(Customizer.withDefaults());
        http
                //将需要认证的请求，重定向到login进行登录认证。
                .exceptionHandling((exceptions) -> exceptions
                        .defaultAuthenticationEntryPointFor(
                                new LoginUrlAuthenticationEntryPoint("/login"),
                                new MediaTypeRequestMatcher(MediaType.TEXT_HTML)
                        )
                )
                // 使用jwt处理接收到的access token
                .oauth2ResourceServer((resourceServer) -> resourceServer
                        .jwt(Customizer.withDefaults()));

        return http.build();
    }

    /**
     * Spring Security 过滤链配置（此处是纯Spring Security相关配置）
     */
    @Bean
    @Order(2)
    public SecurityFilterChain defaultSecurityFilterChain(HttpSecurity http)
            throws Exception {
        http
                .authorizeHttpRequests((authorize) -> authorize
                        //设置所有请求都需要认证，未认证的请求都被重定向到login页面进行登录
                        .anyRequest().authenticated()
                )
                // 由Spring Security过滤链中UsernamePasswordAuthenticationFilter过滤器拦截处理“login”页面提交的登录信息。
                .formLogin(Customizer.withDefaults());

        return http.build();
    }

    /**
     * Spring Security的配置
     * 设置用户信息，校验用户名、密码
     * 正常的流程是自定义一个service类，实现UserDetailsService接口，去查询DB 查询用户信息，封装为一个UserDetails对象返回
     * 这里就直接写一个user存入内存中进行测试
     *
     * @return
     */
    @Bean
    public UserDetailsService userDetailsService(PasswordEncoder passwordEncoder) {
        UserDetails userDetails = User.builder()
                .username("admin")
                .password(passwordEncoder().encode("123456"))
                .roles("USER")
                .build();
        return new InMemoryUserDetailsManager(userDetails);
    }

    /**
     * 注册客户端信息
     * 查询认证服务器信息
     * http://127.0.0.1:9000/.well-known/openid-configuration
     * <p>
     * 获取授权码
     * http://localhost:9000/oauth2/authorize?response_type=code&client_id=oidc-client&scope=profileopenid&redirect_uri=http://www.baidu.com
     */
    @Bean
    public RegisteredClientRepository registeredClientRepository() {
        RegisteredClient oidcClient = RegisteredClient.withId(UUID.randomUUID().toString())
                .clientId("oidc-client")
                //{noop}开头，表示“secret”以明文存储
                .clientSecret(passwordEncoder().encode("secret"))
                // 就使用默认的认证方式
                .clientAuthenticationMethod(ClientAuthenticationMethod.CLIENT_SECRET_BASIC)
                // 配置授权码模式,刷新令牌，客户端模式
                .authorizationGrantType(AuthorizationGrantType.AUTHORIZATION_CODE)
                .authorizationGrantType(AuthorizationGrantType.REFRESH_TOKEN)
                .authorizationGrantType(AuthorizationGrantType.CLIENT_CREDENTIALS)
                .redirectUri("http://spring-oauth-client:9001/login/oauth2/code/messaging-client-oidc")
                //我们暂时还没有客户端服务，以免重定向跳转错误导致接收不到授权码
                .redirectUri("http://www.baidu.com")
                .postLogoutRedirectUri("http://127.0.0.1:8080/")
                //设置客户端权限范围
                .scope(OidcScopes.OPENID)
                .scope(OidcScopes.PROFILE)
                //客户端设置用户需要确认授权
                .clientSettings(ClientSettings.builder().requireAuthorizationConsent(true).build())
                .build();
        //配置基于内存的客户端信息
        return new InMemoryRegisteredClientRepository(oidcClient);
    }

    /**
     * 配置 JWK，为JWT(id_token)提供加密密钥，用于加密/解密或签名/验签
     * JWK详细见：https://datatracker.ietf.org/doc/html/draft-ietf-jose-json-web-key-41
     */
    @Bean
    public JWKSource<SecurityContext> jwkSource() {
        KeyPair keyPair = generateRsaKey();
        RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
        RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();
        RSAKey rsaKey = new RSAKey.Builder(publicKey)
                .privateKey(privateKey)
                .keyID(UUID.randomUUID().toString())
                .build();
        JWKSet jwkSet = new JWKSet(rsaKey);
        return new ImmutableJWKSet<>(jwkSet);
    }

    /**
     * 生成RSA密钥对，给上面jwkSource()方法的提供密钥对
     */
    private static KeyPair generateRsaKey() {
        KeyPair keyPair;
        try {
            KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
            keyPairGenerator.initialize(2048);
            keyPair = keyPairGenerator.generateKeyPair();
        } catch (Exception ex) {
            throw new IllegalStateException(ex);
        }
        return keyPair;
    }


    @Bean
    public JwtDecoder jwtDecoder(JWKSource<SecurityContext> jwkSource) {
        //配置jwt解析器
        return OAuth2AuthorizationServerConfiguration.jwtDecoder(jwkSource);
    }

    @Bean
    public AuthorizationServerSettings authorizationServerSettings() {
        //什么都不配置，则使用默认地址
        return AuthorizationServerSettings.builder().build();
    }

    @Bean
    public PasswordEncoder passwordEncoder() {
        // 使用 BCrypt 加密
        return new BCryptPasswordEncoder();
    }

}

启动服务查看认证服务信息 http://127.0.0.1:9000/.well-known/openid-configuration

授权码模式测试

http://localhost:9000/oauth2/authorize?response_type=code&client_id=oidc-client&scope=profileopenid&redirect_uri=http://www.baidu.com

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Postman测试

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