今天来讲讲Spring Authorization Server授权服务器的配置。强烈建议自己手动搭建一次试试，纸上得来终觉浅，深知此事要躬行。提升你的代码量才是提高编程技能的不二法门，这也是本篇教程的意义所在。同时也希望多多点赞，转发，多多支持作者原创分享。

配置依赖

首先要创建一个Spring Boot Servlet Web项目，这个不难就不赘述了。集成Spring Authorization Server需要引入：

        <!--  spring security starter 必须  -->        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-security</artifactId>        </dependency>        <dependency>            <groupId>org.springframework.security</groupId>            <artifactId>spring-security-oauth2-authorization-server</artifactId>        <!--  截至现在版本  -->            <version>0.2.0</version>        </dependency>

OAuth2.0 Client客户端需要注册到授权服务器并持久化，Spring Authorization Server提供了JDBC实现，参见JdbcRegisteredClientRepository。为了演示方便这里我采用了H2数据库，需要以下依赖：

        <!--  jdbc 必须引入否则自行实现  -->        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-jdbc</artifactId>        </dependency>        <dependency>            <groupId>com.h2database</groupId>            <artifactId>h2</artifactId>        </dependency>

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生产你可以切换到其它关系型数据库，数据库脚本在Spring Authorization Server入门 一文的DEMO中。

Spring Authorization Server配置

接下来是Spring Authorization Server的配置。

过滤器链配置

根据上一文对过滤器链的拆解，我们需要在Spring Security的过滤器链中注入一些特定的过滤器。这些过滤器的配置由OAuth2AuthorizationServerConfigurer<HttpSecurity>来完成。以下为默认的配置：

    void defaultOAuth2AuthorizationServerConfigurer(HttpSecurity http) throws Exception {        OAuth2AuthorizationServerConfigurer<HttpSecurity> authorizationServerConfigurer =                new OAuth2AuthorizationServerConfigurer<>();        // TODO 你可以根据需求对authorizationServerConfigurer进行一些个性化配置        RequestMatcher authorizationServerEndpointsMatcher = authorizationServerConfigurer.getEndpointsMatcher();        // 拦截 授权服务器相关的请求端点        http.requestMatcher(authorizationServerEndpointsMatcher)                .authorizeRequests().anyRequest().authenticated().and()                // 忽略掉相关端点的csrf                .csrf(csrf -> csrf.ignoringRequestMatchers(authorizationServerEndpointsMatcher))                // 开启form登录                .formLogin()                .and()                // 应用 授权服务器的配置                .apply(authorizationServerConfigurer);    }

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你可以调用OAuth2AuthorizationServerConfigurer<HttpSecurity>提供的配置方法进行一些个性化配置。

OAuth2.0客户端信息持久化

这些信息会持久化到数据库，Spring Authorization Server提供了三个DDL脚本。在入门教程的DEMO，H2会自动初始化执行这些DDL脚本，如果你切换到Mysql等数据库，可能需要你自行执行。

客户端配置信息注册

授权服务器要求客户端必须是已经注册的，避免非法的客户端发起授权申请。就像你平常去一些开放平台申请一个ClientID和Secret。下面是定义脚本:

CREATE TABLE oauth2_registered_client(    id                            varchar(100)                        NOT NULL,    client_id                     varchar(100)                        NOT NULL,    client_id_issued_at           timestamp DEFAULT CURRENT_TIMESTAMP NOT NULL,    client_secret                 varchar(200)                        NULL,    client_secret_expires_at      timestamp                           NULL,    client_name                   varchar(200)                        NOT NULL,    client_authentication_methods varchar(1000)                       NOT NULL,    authorization_grant_types     varchar(1000)                       NOT NULL,    redirect_uris                 varchar(1000)                       NULL,    scopes                        varchar(1000)                       NOT NULL,    client_settings               varchar(2000)                       NOT NULL,    token_settings                varchar(2000)                       NOT NULL,    PRIMARY KEY (id));

对应的Java类为RegisteredClient:

public class RegisteredClient implements Serializable { private static final long serialVersionUID = Version.SERIAL_VERSION_UID; private String id; private String clientId; private Instant clientIdIssuedAt; private String clientSecret; private Instant clientSecretExpiresAt; private String clientName; private Set<ClientAuthenticationMethod> clientAuthenticationMethods; private Set<AuthorizationGrantType> authorizationGrantTypes; private Set<String> redirectUris; private Set<String> scopes; private ClientSettings clientSettings; private TokenSettings tokenSettings;        // 省略}

定义一个客户端可以通过下面的Builder方法实现：

        RegisteredClient registeredClient = RegisteredClient.withId(UUID.randomUUID().toString())//               唯一的客户端ID和密码                .clientId("felord-client")                .clientSecret("secret")//                名称 可不定义                .clientName("felord")//                授权方法                .clientAuthenticationMethod(ClientAuthenticationMethod.CLIENT_SECRET_BASIC)//                授权类型                .authorizationGrantType(AuthorizationGrantType.AUTHORIZATION_CODE)                .authorizationGrantType(AuthorizationGrantType.REFRESH_TOKEN)                .authorizationGrantType(AuthorizationGrantType.CLIENT_CREDENTIALS)//                回调地址名单，不在此列将被拒绝 而且只能使用IP或者域名  不能使用 localhost                .redirectUri(";)                .redirectUri(";)                .redirectUri(";)                .redirectUri(";)//                OIDC支持                .scope(OidcScopes.OPENID)//                其它Scope                .scope("message.read")                .scope("message.write")//                JWT的配置项 包括TTL  是否复用refreshToken等等                .tokenSettings(TokenSettings.builder().build())//                配置客户端相关的配置项，包括验证密钥或者 是否需要授权页面                .clientSettings(ClientSettings.builder().requireAuthorizationConsent(true).build())                .build();

持久化到数据库的RegisteredClient用JSON表示为：

  {    "id": "658cd010-4d8c-4824-a8c7-a86b642299af",    "client_id": "felord-client",    "client_id_issued_at": "2021-11-11 18:01:09",    "client_secret": "{bcrypt}$2a$10$XKZ8iUckDcdQWnqw682zV.DVyGuov8Sywx1KyAn4tySsw.Jtltg0.",    "client_secret_expires_at": null,    "client_name": "felord",    "client_authentication_methods": "client_secret_basic",    "authorization_grant_types": "refresh_token,client_credentials,authorization_code",    "redirect_uris": ";,    "scopes": "openid,message.read,message.write",    "client_settings": "{\"@class\":\"java.util.Collections$UnmodifiableMap\",\"settings.client.require-proof-key\":false,\"settings.client.require-authorization-consent\":true}",    "token_settings": "{\"@class\":\"java.util.Collections$UnmodifiableMap\",\"settings.token.reuse-refresh-tokens\":true,\"settings.token.id-token-signature-algorithm\":[\"org.springframework.security.oauth2.jose.jws.SignatureAlgorithm\",\"RS256\"],\"settings.token.access-token-time-to-live\":[\"java.time.Duration\",300.000000000],\"settings.token.refresh-token-time-to-live\":[\"java.time.Duration\",3600.000000000]}"  }

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注意上面的配置和你OAuth2.0客户端应用的配置息息相关。

既然持久化了，那自然需要操作该表的JDBC服务接口了，这个接口为RegisteredClientRepository。我们需要声明一个实现为Spring Bean，这里选择基于JDBC的实现：

   @Bean   public RegisteredClientRepository registeredClientRepository(JdbcTemplate jdbcTemplate) {        return new JdbcRegisteredClientRepository(jdbcTemplate);     }

别忘记调用save(RegisteredClient)方法把需要注册的客户端信息持久化。

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该实现依赖spring-boot-starter-jdbc类库，你也可以闲得慌使用Mybatis进行实现。

OAuth2授权信息持久化

记录授权的资源拥有者（Resource Owner）对某个客户端的某次授权记录。对应的Java类为OAuth2Authorization。下面是定义脚本:

CREATE TABLE oauth2_authorization(    id                            varchar(100)  NOT NULL,    registered_client_id          varchar(100)  NOT NULL,    principal_name                varchar(200)  NOT NULL,    authorization_grant_type      varchar(100)  NOT NULL,    attributes                    varchar(4000) NULL,    state                         varchar(500)  NULL,    authorization_code_value      blob          NULL,    `authorization_code_issued_at`  timestamp     NULL,    authorization_code_expires_at timestamp     NULL,    authorization_code_metadata   varchar(2000) NULL,    access_token_value            blob          NULL,    access_token_issued_at        timestamp     NULL,    access_token_expires_at       timestamp     NULL,    access_token_metadata         varchar(2000) NULL,    access_token_type             varchar(100)  NULL,    access_token_scopes           varchar(1000) NULL,    oidc_id_token_value           blob          NULL,    oidc_id_token_issued_at       timestamp     NULL,    oidc_id_token_expires_at      timestamp     NULL,    oidc_id_token_metadata        varchar(2000) NULL,    refresh_token_value           blob          NULL,    refresh_token_issued_at       timestamp     NULL,    refresh_token_expires_at      timestamp     NULL,    refresh_token_metadata        varchar(2000) NULL,    PRIMARY KEY (id));

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这里的机制目前还没有研究，先挖个坑。

同样它也需要一个持久化服务接口OAuth2AuthorizationService并注入Spring IoC：

/** * 管理OAuth2授权信息服务 * * @param jdbcTemplate               the jdbc template * @param registeredClientRepository the registered client repository * @return the o auth 2 authorization service */@Beanpublic OAuth2AuthorizationService authorizationService(JdbcTemplate jdbcTemplate,                                                       RegisteredClientRepository registeredClientRepository) {    return new JdbcOAuth2AuthorizationService(jdbcTemplate,             registeredClientRepository);}

持久化到数据库的OAuth2Authorization用JSON表示为：

  {    "id": "aa2f6e7d-d9b9-4360-91ef-118cbb6d4b09",    "registered_client_id": "658cd010-4d8c-4824-a8c7-a86b642299af",    "principal_name": "felord",    "authorization_grant_type": "authorization_code",    "attributes": "{\"@class\":\"java.util.Collections$UnmodifiableMap\",\"org.springframework.security.oauth2.core.endpoint.OAuth2AuthorizationRequest\":{\"@class\":\"org.springframework.security.oauth2.core.endpoint.OAuth2AuthorizationRequest\",\"authorizationUri\":\"\",\"authorizationGrantType\":{\"value\":\"authorization_code\"},\"responseType\":{\"value\":\"code\"},\"clientId\":\"felord-client\",\"redirectUri\":\"\",\"scopes\":[\"java.util.Collections$UnmodifiableSet\",[\"message.read\",\"message.write\"]],\"state\":\"9gTcVNXgV8Pn_Ron3bkFb6M92AYCodeWKoEd6xxaiUg=\",\"additionalParameters\":{\"@class\":\"java.util.Collections$UnmodifiableMap\"},\"authorizationRequestUri\":\"\",\"attributes\":{\"@class\":\"java.util.Collections$UnmodifiableMap\"}},\"java.security.Principal\":{\"@class\":\"org.springframework.security.authentication.UsernamePasswordAuthenticationToken\",\"authorities\":[\"java.util.Collections$UnmodifiableRandomAccessList\",[{\"@class\":\"org.springframework.security.core.authority.SimpleGrantedAuthority\",\"authority\":\"ROLE_USER\"}]],\"details\":{\"@class\":\"org.springframework.security.web.authentication.WebAuthenticationDetails\",\"remoteAddress\":\"0:0:0:0:0:0:0:1\",\"sessionId\":\"FD624F1AD55A2418CC9815A86AA32696\"},\"authenticated\":true,\"principal\":{\"@class\":\"org.springframework.security.core.userdetails.User\",\"password\":null,\"username\":\"felord\",\"authorities\":[\"java.util.Collections$UnmodifiableSet\",[{\"@class\":\"org.springframework.security.core.authority.SimpleGrantedAuthority\",\"authority\":\"ROLE_USER\"}]],\"accountNonExpired\":true,\"accountNonLocked\":true,\"credentialsNonExpired\":true,\"enabled\":true},\"credentials\":null},\"org.springframework.security.oauth2.server.authorization.OAuth2Authorization.AUTHORIZED_SCOPE\":[\"java.util.Collections$UnmodifiableSet\",[\"message.read\",\"message.write\"]]}",    "state": null,    "authorization_code_value": "EZFxDcsKoaGtyqRTS0oNMg85EcVcyLdVssuD3SV-o0FvNXsSTRjTmCdu0ZPZnVIQ7K4TTSzrvLwBqoRXOigo_dWVNeqE44LjHHL_KtujM_Mxz8hLZgGhtfipvTdpWWR1",    "authorization_code_issued_at": "2021-11-11 18:44:45",    "authorization_code_expires_at": "2021-11-11 18:49:45",    "authorization_code_metadata": "{\"@class\":\"java.util.Collections$UnmodifiableMap\",\"metadata.token.invalidated\":true}",    "access_token_value": "eyJ4NXQjUzI1NiI6IlZGR1F4Q21nSEloX2dhRi13UGIxeEM5b0tBMXc1bGEwRUZtcXFQTXJxbXciLCJraWQiOiJmZWxvcmRjbiIsImFsZyI6IlJTMjU2In0.eyJzdWIiOiJmZWxvcmQiLCJhdWQiOiJmZWxvcmQtY2xpZW50IiwibmJmIjoxNjM2NjI3NDg0LCJzY29wZSI6WyJtZXNzYWdlLnJlYWQiLCJtZXNzYWdlLndyaXRlIl0sImlzcyI6Imh0dHA6XC9cL2xvY2FsaG9zdDo5MDAwIiwiZXhwIjoxNjM2NjI3Nzg0LCJpYXQiOjE2MzY2Mjc0ODR9.CFzye9oIh8-ZMpyp9XoIXIQLnj2Sn17yZ9bgn7NYAbrp2hRq-Io_Se2SJpSEMa_Ce44aOGmcLTmIOILYUxlU08QCtHgr4UfCZttzroQhEn3Qui7fixBMprPYqxmu2KL5G_l3q5EWyh4G0ilHpByCBDeBGAl7FpaxSDlelnBfNGs9q6nJCs7aC40U_YPBRLoCBLVK1Y8t8kQvNu8NqCkS5D5DZAogpmlVg7jSIPz1UXVIh7iDTTQ1wJl6rZ1E87E0UroX4eSuYfMQ351y65IUlB14hvKhu03yDLTiVKtujOo3m0DAkJTbk3ZkFZEmDf4N3Yn-ktU7cyswQWa1bKf3og",    "access_token_issued_at": "2021-11-11 18:44:45",    "access_token_expires_at": "2021-11-11 18:49:45",    "access_token_metadata": "{\"@class\":\"java.util.Collections$UnmodifiableMap\",\"metadata.token.claims\":{\"@class\":\"java.util.Collections$UnmodifiableMap\",\"sub\":\"felord\",\"aud\":[\"java.util.Collections$SingletonList\",[\"felord-client\"]],\"nbf\":[\"java.time.Instant\",1636627484.674000000],\"scope\":[\"java.util.Collections$UnmodifiableSet\",[\"message.read\",\"message.write\"]],\"iss\":[\"java.net.URL\",\"\"],\"exp\":[\"java.time.Instant\",1636627784.674000000],\"iat\":[\"java.time.Instant\",1636627484.674000000]},\"metadata.token.invalidated\":false}",    "access_token_type": "Bearer",    "access_token_scopes": "message.read,message.write",    "oidc_id_token_value": null,    "oidc_id_token_issued_at": null,    "oidc_id_token_expires_at": null,    "oidc_id_token_metadata": null,    "refresh_token_value": "hbD9dVMpu855FhDDOYapwsQSx8zO9iPX5LUZKeXWzUcbE2rgYRV-sgXl5vGwyByLNljcqVyK9Pgquzbcoe6dkt0_yPQPJfxLY8ezEQ-QREBjxNYqecd6OI9SHMQkBObG",    "refresh_token_issued_at": "2021-11-11 18:44:45",    "refresh_token_expires_at": "2021-11-11 19:44:45",    "refresh_token_metadata": "{\"@class\":\"java.util.Collections$UnmodifiableMap\",\"metadata.token.invalidated\":false}"  }

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存储的东西还是比较全的，甚至把Java类都序列化了。

确认授权持久化

资源拥有者（Resource Owner）对授权的确认信息OAuth2AuthorizationConsent的持久化，这个比较简单。下面是定义脚本:

CREATE TABLE oauth2_authorization_consent(    registered_client_id varchar(100)  NOT NULL,    principal_name       varchar(200)  NOT NULL,    authorities          varchar(1000) NOT NULL,    PRIMARY KEY (registered_client_id, principal_name));

对应的持久化服务接口为OAuth2AuthorizationConsentService，也要注入Spring IoC:

@Beanpublic OAuth2AuthorizationConsentService authorizationConsentService(JdbcTemplate jdbcTemplate,                                                                      RegisteredClientRepository registeredClientRepository) {    return new JdbcOAuth2AuthorizationConsentService(jdbcTemplate, registeredClientRepository);}

持久化到数据库的OAuth2AuthorizationConsent用JSON表示为：

  {    "registered_client_id": "658cd010-4d8c-4824-a8c7-a86b642299af",    "principal_name": "felord",    "authorities": "SCOPE_message.read,SCOPE_message.write"  }

JWK全称JSON Web Key，是一个将加密的密钥用JSON对象描述的规范，和JWT一样是JOSE规范的重要组成部分。规范的详细定义可参考JWK文档。JWK参考示例：

{    "keys": [        {            "kty": "RSA",            "x5t#S256": "VFGQxCmgHIh_gaF-wPb1xC9oKA1w5la0EFmqqPMrqmw",            "e": "AQAB",            "kid": "felordcn",            "x5c": ["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"            ],            "n": "go0TPk1td7iROmmLcGbOsZ2F68kTertDwRyk-leqBl-qyJAkjoVgVaCRRQHZmvu_YGp93vOaEd_zFdVj_rFvMXmwBxgYPOeSG0bHkYtFBaUiLf1vhW5lyiPHcGide3uw1p-il3JNiOpcnLCbAKZgzm4qaugeuOD02_M0YcMW2Jqg3SUWpC-9vu9yt5dVc1xpmpwEAamKzvynI3Zxl44ddlA8RRAS6kV0OUcKbEG63G3yZ4MHnhrFrZDuvlwfSSgn0wFOC_b6mJ-bUxByMAXKD0d4DS2B2mVl7RO5AzL4SFcqtZZE3Drtcli67bsENyOQeoTVaKO6gu5PEEFlQ7pHKw"        }    ]}

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JWK的意义在于生成JWT和提供JWK端点给OAuth2.0资源服务器解码校验JWT。

公私钥

JWK会涉及到加密算法，这里使用RSASHA256算法来作为加密算法，并通过Keytool工具来生成.jks公私钥证书文件。当然你也可以通过openssl来生成pkcs12格式的证书。在Spring Security实战干货中已经对生成的方法进行了说明，这里不再赘述。

JWKSource

由于Spring Security的JOSE实现依赖的是nimbus-jose-jwt，所以这里只需要我们实现JWKSource <C extends SecurityContext>并注入Spring IoC即可。相关代码如下：

    /**     * 加载JWK资源     *     * @return the jwk source     */    @SneakyThrows    @Bean    public JWKSource<SecurityContext> jwkSource() {        //TODO 这里优化到配置        // 证书的路径        String path = "felordcn.jks";        // 证书别名        String alias = "felordcn";        // keystore 密码        String pass = "123456";        ClassPathResource resource = new ClassPathResource(path);        KeyStore jks = KeyStore.getInstance("jks");//        KeyStore pkcs12 = KeyStore.getInstance("pkcs12");        char[] pin = pass.toCharArray();        jks.load(resource.getInputStream(), pin);        RSAKey rsaKey = RSAKey.load(jks, alias, pin);        JWKSet jwkSet = new JWKSet(rsaKey);        return (jwkSelector, securityContext) -> jwkSelector.select(jwkSet);    }

客户端信息RegisteredClient包含了Token的配置项TokenSettings和客户端配置项ClientSettings。授权服务器本身也提供了一个配置工具来配置其元信息，大多数我们都使用默认配置即可，唯一需要配置的其实只有授权服务器的地址issuer，在DEMO中虽然我使用localhost:9000了issuer没有什么问题，但是在生产中这个地方应该配置为域名。

    /**     * 配置 OAuth2.0 provider元信息     *     * @return the provider settings     */    @Bean    public ProviderSettings providerSettings(@Value("${server.port}") Integer port) {        //TODO 生产应该使用域名        return ProviderSettings.builder().issuer("; + port).build();    }

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你可以修改本地的hosts文件试试用域名。

到这里Spring Authorization Server的配置就完成了，但是整个授权服务器的配置还没有完成。

授权服务器安全配置

上面是授权服务器本身的配置，授权服务器本身的安全配置是另外一条过滤器链承担的，我们也要对它进行一些配置，都是常规的Spring Security配置，这里给一个简单的配置，也是DEMO中的配置：

@EnableWebSecurity(debug = true)public class DefaultSecurityConfig {    // @formatter:off    @Bean    SecurityFilterChain defaultSecurityFilterChain(HttpSecurity http) throws Exception {        http.authorizeRequests(authorizeRequests ->                        authorizeRequests.anyRequest().authenticated()                )                .formLogin();        return http.build();    }    // @formatter:on    /**     * 在内存中抽象一个Spring Security安全用户{@link User}，同时该用户也是Resource Owner;     * 实际开发中需要持久化到数据库。     *     * @return the user details service     */// @formatter:off    @Bean    UserDetailsService users() {        UserDetails user = User.builder()                .username("felord")                .password("password")                .passwordEncoder(PasswordEncoderFactories.createDelegatingPasswordEncoder()::encode)                .roles("USER")                .build();        return new InMemoryUserDetailsManager(user);    }    // @formatter:on    /**     * 开放一些端点的访问控制。     *     * 如果你使用了一些依赖这些端点的程序，比如Consul健康检查；     * 打开H2数据库web控制台访问控制，方便你查看数据具体看配置文件说明。     *     * @return the web security customizer     */    @Bean    WebSecurityCustomizer webSecurityCustomizer() {        return web -> web.ignoring().antMatchers("/actuator/health","/h2-console/**");    }}

到这里一个基于Spring Authorization Server的授权服务器就搭建好了。下一篇我们将实现OAuth2.0的登录功能，敬请期待。

解惑

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为什么一个项目配置了两个甚至多个SecurityFilterChain?

之所以有两个SecurityFilterChain是因为程序设计要保证职责单一，无论是底层架构还是业务代码，为此HttpSecurity被以基于原型（prototype）的Spring Bean注入Spring IoC。针对本应用中的两条过滤器链，分别是授权服务器的过滤器链和应用安全的过滤器链，它们之间其实互相没有太多联系。