本文主要是介绍使用 Spring Authorization Server，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
内容参考 ：spring官网文档
安装 Spring Authorization Server
使用Spring授权服务器的最简单方法是创建一个基于Spring Boot的应用程序。您可以使用start.spring.io生成一个基本项目，或者使用默认授权服务器样本作为指南。然后，将Spring Boot的Spring授权服务器启动器作为依赖项添加进来：
<dependency><groupId>org.springframework.boot</groupId><artifactId>spring-boot-starter-oauth2-authorization-server</artifactId>
</dependency>
或者，您可以使用以下示例在不使用Spring Boot的情况下添加Spring Authorization Server：
<dependency><groupId>org.springframework.security</groupId><artifactId>spring-security-oauth2-authorization-server</artifactId><version>1.2.1</version>
</dependency>
开发应用实例
要开始使用，你需要定义作为@Bean的最小必需组件。当使用spring-boot-starter-oauth2-authorization-server依赖项时，定义以下属性，Spring Boot将为你提供必要的@Bean定义：
application.yml 内容：
server:port: 9000logging:level:org.springframework.security: tracespring:security:oauth2:authorizationserver:client:oidc-client:registration:client-id: "oidc-client"client-secret: "{noop}secret"client-authentication-methods:- "client_secret_basic"authorization-grant-types:- "authorization_code"- "refresh_token"redirect-uris:- "http://127.0.0.1:8080/login/oauth2/code/oidc-client"post-logout-redirect-uris:- "http://127.0.0.1:8080/"scopes:- "openid"- "profile"require-authorization-consent: true
定义需要的组件
如果你想要自定义默认配置（无论你是否使用Spring Boot），你可以在一个Spring @Configuration中将最小必需组件定义为@Bean。
这些组件可以定义如下：
SecurityConfig.java：
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import java.util.UUID;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.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;@Configuration
@EnableWebSecurity
public class SecurityConfig {@Bean (1)@Order(1)public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http)throws Exception {OAuth2AuthorizationServerConfiguration.applyDefaultSecurity(http);http.getConfigurer(OAuth2AuthorizationServerConfigurer.class).oidc(Customizer.withDefaults()); // Enable OpenID Connect 1.0http// Redirect to the login page when not authenticated from the// authorization endpoint.exceptionHandling((exceptions) -> exceptions.defaultAuthenticationEntryPointFor(new LoginUrlAuthenticationEntryPoint("/login"),new MediaTypeRequestMatcher(MediaType.TEXT_HTML)))// Accept access tokens for User Info and/or Client Registration.oauth2ResourceServer((resourceServer) -> resourceServer.jwt(Customizer.withDefaults()));return http.build();}@Bean (2)@Order(2)public SecurityFilterChain defaultSecurityFilterChain(HttpSecurity http)throws Exception {http.authorizeHttpRequests((authorize) -> authorize.anyRequest().authenticated())// Form login handles the redirect to the login page from the// authorization server filter chain.formLogin(Customizer.withDefaults());return http.build();}@Bean (3)public UserDetailsService userDetailsService() {UserDetails userDetails = User.withDefaultPasswordEncoder().username("user").password("password").roles("USER").build();return new InMemoryUserDetailsManager(userDetails);}@Bean (4)public RegisteredClientRepository registeredClientRepository() {RegisteredClient oidcClient = RegisteredClient.withId(UUID.randomUUID().toString()).clientId("oidc-client").clientSecret("{noop}secret").clientAuthenticationMethod(ClientAuthenticationMethod.CLIENT_SECRET_BASIC).authorizationGrantType(AuthorizationGrantType.AUTHORIZATION_CODE).authorizationGrantType(AuthorizationGrantType.REFRESH_TOKEN).redirectUri("http://127.0.0.1:8080/login/oauth2/code/oidc-client").postLogoutRedirectUri("http://127.0.0.1:8080/").scope(OidcScopes.OPENID).scope(OidcScopes.PROFILE).clientSettings(ClientSettings.builder().requireAuthorizationConsent(true).build()).build();return new InMemoryRegisteredClientRepository(oidcClient);}@Bean (5)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);}private static KeyPair generateRsaKey() { (6)KeyPair keyPair;try {KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");keyPairGenerator.initialize(2048);keyPair = keyPairGenerator.generateKeyPair();}catch (Exception ex) {throw new IllegalStateException(ex);}return keyPair;}@Bean (7)public JwtDecoder jwtDecoder(JWKSource<SecurityContext> jwkSource) {return OAuth2AuthorizationServerConfiguration.jwtDecoder(jwkSource);}@Bean (8)public AuthorizationServerSettings authorizationServerSettings() {return AuthorizationServerSettings.builder().build();}}
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