org.springframework.security.web.server.authentication.SessionLimit Maven / Gradle / Ivy
/*
* Copyright 2002-2023 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.web.server.authentication;
import java.util.function.Function;
import reactor.core.publisher.Mono;
import org.springframework.security.core.Authentication;
/**
* Represents the maximum number of sessions allowed. Use {@link #UNLIMITED} to indicate
* that there is no limit.
*
* @author Marcus da Coregio
* @since 6.3
* @see ConcurrentSessionControlServerAuthenticationSuccessHandler
*/
public interface SessionLimit extends Function> {
/**
* Represents unlimited sessions. This is just a shortcut to return
* {@link Mono#empty()} for any user.
*/
SessionLimit UNLIMITED = (authentication) -> Mono.empty();
/**
* Creates a {@link SessionLimit} that always returns the given value for any user
* @param maxSessions the maximum number of sessions allowed
* @return a {@link SessionLimit} instance that returns the given value.
*/
static SessionLimit of(int maxSessions) {
return (authentication) -> Mono.just(maxSessions);
}
}