com.c4_soft.springaddons.security.oauth2.SynchronizedJwt2OAuthenticationConverter Maven / Gradle / Ivy

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/*
 * Copyright 2020 Jérôme Wacongne
 *
 * 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 com.c4_soft.springaddons.security.oauth2;

import org.springframework.security.oauth2.jwt.Jwt;

import com.c4_soft.springaddons.security.oauth2.config.Jwt2AuthoritiesConverter;

import lombok.RequiredArgsConstructor;

/**
 * 
 * Turn a JWT into a spring-security Authentication instance.
 * 
 * Sample configuration for Keyclkoak, getting roles from "realm_access" claim:
 *
 *  * @Bean
 * public SynchronizedJwt2GrantedAuthoritiesConverter authoritiesConverter() {
 * 	return (var jwt) -> {
 * 		final var roles =
 * 				Optional
 * 						.ofNullable((JSONObject) jwt.getClaims().get("realm_access"))
 * 						.flatMap(realmAccess -> Optional.ofNullable((JSONArray) realmAccess.get("roles")))
 * 						.orElse(new JSONArray());
 * 		return roles.stream().map(Object::toString).map(role -> new SimpleGrantedAuthority("ROLE_" + role)).collect(Collectors.toSet());
 * 	};
 * }
 *
 * @Bean
 * public SynchronizedJwt2OidcIdAuthenticationConverter authenticationConverter(SynchronizedJwt2GrantedAuthoritiesConverter authoritiesConverter) {
 * 	return new SynchronizedJwt2OidcIdAuthenticationConverter(authoritiesConverter);
 * }
 * 
 *
 * @author [email protected]
 */
@RequiredArgsConstructor
public class SynchronizedJwt2OAuthenticationConverter implements SynchronizedJwt2AuthenticationConverter> {

	private final Jwt2AuthoritiesConverter authoritiesConverter;
	private final SynchronizedJwt2OpenidClaimSetConverter tokenConverter;

	@Override
	public OAuthentication convert(Jwt jwt) {
		return new OAuthentication<>(tokenConverter.convert(jwt), authoritiesConverter.convert(jwt), jwt.getTokenValue());
	}
}