org.springframework.boot.autoconfigure.security.servlet.UserDetailsServiceAutoConfiguration Maven / Gradle / Ivy
/*
* Copyright 2012-2018 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.springframework.boot.autoconfigure.security.servlet;
import java.util.List;
import java.util.regex.Pattern;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.security.SecurityProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.authentication.AuthenticationProvider;
import org.springframework.security.config.annotation.ObjectPostProcessor;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.security.provisioning.InMemoryUserDetailsManager;
import org.springframework.util.StringUtils;
/**
* {@link EnableAutoConfiguration Auto-configuration} for a Spring Security in-memory
* {@link AuthenticationManager}. Adds an {@link InMemoryUserDetailsManager} with a
* default user and generated password. This can be disabled by providing a bean of type
* {@link AuthenticationManager}, {@link AuthenticationProvider} or
* {@link UserDetailsService}.
*
* @author Dave Syer
* @author Rob Winch
* @author Madhura Bhave
*/
@Configuration
@ConditionalOnClass(AuthenticationManager.class)
@ConditionalOnBean(ObjectPostProcessor.class)
@ConditionalOnMissingBean({ AuthenticationManager.class, AuthenticationProvider.class,
UserDetailsService.class })
public class UserDetailsServiceAutoConfiguration {
private static final String NOOP_PASSWORD_PREFIX = "{noop}";
private static final Pattern PASSWORD_ALGORITHM_PATTERN = Pattern
.compile("^\\{.+}.*$");
private static final Log logger = LogFactory
.getLog(UserDetailsServiceAutoConfiguration.class);
@Bean
@ConditionalOnMissingBean(type = "org.springframework.security.oauth2.client.registration.ClientRegistrationRepository")
public InMemoryUserDetailsManager inMemoryUserDetailsManager(
SecurityProperties properties,
ObjectProvider passwordEncoder) {
SecurityProperties.User user = properties.getUser();
List roles = user.getRoles();
return new InMemoryUserDetailsManager(User.withUsername(user.getName())
.password(getOrDeducePassword(user, passwordEncoder.getIfAvailable()))
.roles(StringUtils.toStringArray(roles)).build());
}
private String getOrDeducePassword(SecurityProperties.User user,
PasswordEncoder encoder) {
String password = user.getPassword();
if (user.isPasswordGenerated()) {
logger.info(String.format("%n%nUsing generated security password: %s%n",
user.getPassword()));
}
if (encoder != null || PASSWORD_ALGORITHM_PATTERN.matcher(password).matches()) {
return password;
}
return NOOP_PASSWORD_PREFIX + password;
}
}