org.bremersee.security.authentication.KeycloakJwtAuthenticationToken Maven / Gradle / Ivy
/*
* Copyright 2018 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
*
* http://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 org.bremersee.security.authentication;
import java.util.Collection;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.oauth2.jwt.Jwt;
import org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationToken;
/**
* The {@link JwtAuthenticationToken} of a keycloak identity provider.
*
* @author Christian Bremer
*/
@SuppressWarnings({"WeakerAccess", "unused"})
public class KeycloakJwtAuthenticationToken
extends JwtAuthenticationToken
implements BremerseeAuthenticationToken {
/**
* The constant KEYCLOAK_PREFERRED_USERNAME.
*/
public static final String KEYCLOAK_PREFERRED_USERNAME = "preferred_username";
/**
* Instantiates a new keycloak jwt authentication token.
*
* @param jwt the jwt
*/
public KeycloakJwtAuthenticationToken(Jwt jwt) {
super(jwt);
}
/**
* Instantiates a new keycloak jwt authentication token.
*
* @param jwt the jwt
* @param authorities the authorities
*/
public KeycloakJwtAuthenticationToken(Jwt jwt,
Collection authorities) {
super(jwt, authorities);
}
/**
* Gets preferred name.
*
* @return the preferred name
*/
@Override
public String getPreferredName() {
if (getToken().containsClaim(KEYCLOAK_PREFERRED_USERNAME)) {
return getToken().getClaimAsString(KEYCLOAK_PREFERRED_USERNAME);
}
return super.getName(); // returns claim sub
}
}