spring-authorization-server/oauth2-authorization-server/src/main/java/org/springframework/security/oauth2/server/authorization/authentication/OAuth2ClientCredentialsAuth...
2021-02-05 11:48:21 -05:00

67 lines
2.3 KiB
Java

/*
* Copyright 2020-2021 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 org.springframework.security.oauth2.server.authorization.authentication;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;
import org.springframework.security.core.Authentication;
import org.springframework.security.oauth2.core.AuthorizationGrantType;
import org.springframework.util.Assert;
/**
* An {@link Authentication} implementation used for the OAuth 2.0 Client Credentials Grant.
*
* @author Alexey Nesterov
* @since 0.0.1
* @see OAuth2AuthorizationGrantAuthenticationToken
* @see OAuth2ClientCredentialsAuthenticationProvider
*/
public class OAuth2ClientCredentialsAuthenticationToken extends OAuth2AuthorizationGrantAuthenticationToken {
private final Set<String> scopes;
/**
* Constructs an {@code OAuth2ClientCredentialsAuthenticationToken} using the provided parameters.
*
* @param clientPrincipal the authenticated client principal
*/
public OAuth2ClientCredentialsAuthenticationToken(Authentication clientPrincipal) {
this(clientPrincipal, Collections.emptySet());
}
/**
* Constructs an {@code OAuth2ClientCredentialsAuthenticationToken} using the provided parameters.
*
* @param clientPrincipal the authenticated client principal
* @param scopes the requested scope(s)
*/
public OAuth2ClientCredentialsAuthenticationToken(Authentication clientPrincipal, Set<String> scopes) {
super(AuthorizationGrantType.CLIENT_CREDENTIALS, clientPrincipal, null);
Assert.notNull(scopes, "scopes cannot be null");
this.scopes = Collections.unmodifiableSet(new LinkedHashSet<>(scopes));
}
/**
* Returns the requested scope(s).
*
* @return the requested scope(s), or an empty {@code Set} if not available
*/
public Set<String> getScopes() {
return this.scopes;
}
}