org.springframework.security.core.userdetails.MapReactiveUserDetailsService Maven / Gradle / Ivy
/*
* Copyright 2002-2017 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.core.userdetails;
import java.util.Arrays;
import java.util.Collection;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import reactor.core.publisher.Mono;
import org.springframework.util.Assert;
/**
* A {@link Map} based implementation of {@link ReactiveUserDetailsService}
*
* @author Rob Winch
* @since 5.0
*/
public class MapReactiveUserDetailsService implements ReactiveUserDetailsService, ReactiveUserDetailsPasswordService {
private final Map users;
/**
* Creates a new instance using a {@link Map} that must be non blocking.
* @param users a {@link Map} of users to use.
*/
public MapReactiveUserDetailsService(Map users) {
this.users = users;
}
/**
* Creates a new instance
* @param users the {@link UserDetails} to use
*/
public MapReactiveUserDetailsService(UserDetails... users) {
this(Arrays.asList(users));
}
/**
* Creates a new instance
* @param users the {@link UserDetails} to use
*/
public MapReactiveUserDetailsService(Collection users) {
Assert.notEmpty(users, "users cannot be null or empty");
this.users = new ConcurrentHashMap<>();
for (UserDetails user : users) {
this.users.put(getKey(user.getUsername()), user);
}
}
@Override
public Mono findByUsername(String username) {
String key = getKey(username);
UserDetails result = this.users.get(key);
return (result != null) ? Mono.just(User.withUserDetails(result).build()) : Mono.empty();
}
@Override
public Mono updatePassword(UserDetails user, String newPassword) {
// @formatter:off
return Mono.just(user)
.map((userDetails) -> withNewPassword(userDetails, newPassword))
.doOnNext((userDetails) -> {
String key = getKey(user.getUsername());
this.users.put(key, userDetails);
});
// @formatter:on
}
private UserDetails withNewPassword(UserDetails userDetails, String newPassword) {
// @formatter:off
return User.withUserDetails(userDetails)
.password(newPassword)
.build();
// @formatter:on
}
private String getKey(String username) {
return username.toLowerCase();
}
}