spring-authorization-server SecurityConfig 源码

spring-authorization-server SecurityConfig 代码

文件路径：/docs/src/docs/asciidoc/examples/src/main/java/sample/gettingStarted/SecurityConfig.java

/*
 * Copyright 2020-2022 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package sample.gettingStarted;

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.security.config.Customizer;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
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.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.settings.ClientSettings;
import org.springframework.security.oauth2.server.authorization.settings.ProviderSettings;
import org.springframework.security.provisioning.InMemoryUserDetailsManager;
import org.springframework.security.web.SecurityFilterChain;
import org.springframework.security.web.authentication.LoginUrlAuthenticationEntryPoint;

@Configuration
public class SecurityConfig {

	@Bean // <1>
	@Order(1)
	public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http)
			throws Exception {
		OAuth2AuthorizationServerConfiguration.applyDefaultSecurity(http);
		// @formatter:off
		http
			// Redirect to the login page when not authenticated from the
			// authorization endpoint
			.exceptionHandling((exceptions) -> exceptions
				.authenticationEntryPoint(
					new LoginUrlAuthenticationEntryPoint("/login"))
			);
		// @formatter:on

		return http.build();
	}

	@Bean // <2>
	@Order(2)
	public SecurityFilterChain defaultSecurityFilterChain(HttpSecurity http)
			throws Exception {
		// @formatter:off
		http
			.authorizeHttpRequests((authorize) -> authorize
				.anyRequest().authenticated()
			)
			// Form login handles the redirect to the login page from the
			// authorization server filter chain
			.formLogin(Customizer.withDefaults());
		// @formatter:on

		return http.build();
	}

	@Bean // <3>
	public UserDetailsService userDetailsService() {
		// @formatter:off
		UserDetails userDetails = User.withDefaultPasswordEncoder()
				.username("user")
				.password("password")
				.roles("USER")
				.build();
		// @formatter:on

		return new InMemoryUserDetailsManager(userDetails);
	}

	@Bean // <4>
	public RegisteredClientRepository registeredClientRepository() {
		// @formatter:off
		RegisteredClient registeredClient = RegisteredClient.withId(UUID.randomUUID().toString())
				.clientId("messaging-client")
				.clientSecret("{noop}secret")
				.clientAuthenticationMethod(ClientAuthenticationMethod.CLIENT_SECRET_BASIC)
				.authorizationGrantType(AuthorizationGrantType.AUTHORIZATION_CODE)
				.authorizationGrantType(AuthorizationGrantType.REFRESH_TOKEN)
				.authorizationGrantType(AuthorizationGrantType.CLIENT_CREDENTIALS)
				.redirectUri("http://127.0.0.1:8080/login/oauth2/code/messaging-client-oidc")
				.redirectUri("http://127.0.0.1:8080/authorized")
				.scope(OidcScopes.OPENID)
				.scope("message.read")
				.scope("message.write")
				.clientSettings(ClientSettings.builder().requireAuthorizationConsent(true).build())
				.build();
		// @formatter:on

		return new InMemoryRegisteredClientRepository(registeredClient);
	}

	@Bean // <5>
	public JWKSource<SecurityContext> jwkSource() {
		KeyPair keyPair = generateRsaKey();
		RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
		RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();
		// @formatter:off
		RSAKey rsaKey = new RSAKey.Builder(publicKey)
				.privateKey(privateKey)
				.keyID(UUID.randomUUID().toString())
				.build();
		// @formatter:on
		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 ProviderSettings providerSettings() {
		return ProviderSettings.builder().build();
	}

}

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