/*
* Copyright 2002-2014 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.session.data.redis.config.annotation.web.http;
import java.util.Map;
import org.springframework.beans.factory.BeanClassLoaderAware;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.ImportAware;
import org.springframework.core.annotation.AnnotationAttributes;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.listener.PatternTopic;
import org.springframework.data.redis.listener.RedisMessageListenerContainer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
import org.springframework.session.ExpiringSession;
import org.springframework.session.SessionRepository;
import org.springframework.session.data.redis.RedisOperationsSessionRepository;
import org.springframework.session.data.redis.SessionMessageListener;
import org.springframework.session.web.http.HttpSessionStrategy;
import org.springframework.session.web.http.SessionRepositoryFilter;
import org.springframework.util.ClassUtils;
/**
* Exposes the {@link SessionRepositoryFilter} as a bean named
* "springSessionRepositoryFilter". In order to use this a single
* {@link RedisConnectionFactory} must be exposed as a Bean.
*
* @author Rob Winch
* @since 1.0
*
* @see EnableRedisHttpSession
*/
@Configuration
public class RedisHttpSessionConfiguration implements ImportAware, BeanClassLoaderAware {
private ClassLoader beanClassLoader;
private Integer maxInactiveIntervalInSeconds;
private HttpSessionStrategy httpSessionStrategy;
@Autowired
private ApplicationEventPublisher eventPublisher;
@Bean
public RedisMessageListenerContainer redisMessageListenerContainer(
RedisConnectionFactory connectionFactory) {
RedisMessageListenerContainer container = new RedisMessageListenerContainer();
container.setConnectionFactory(connectionFactory);
container.addMessageListener(redisSessionMessageListener(),
new PatternTopic("__keyspace@0__:spring:session:sessions:*"));
return container;
}
@Bean
public SessionMessageListener redisSessionMessageListener() {
return new SessionMessageListener(eventPublisher);
}
@Bean
public RedisTemplate<String,ExpiringSession> sessionRedisTemplate(RedisConnectionFactory connectionFactory) {
RedisTemplate<String, ExpiringSession> template = new RedisTemplate<String, ExpiringSession>();
template.setKeySerializer(new StringRedisSerializer());
template.setHashKeySerializer(new StringRedisSerializer());
template.setConnectionFactory(connectionFactory);
return template;
}
@Bean
public RedisTemplate<String,String> expirationRedisTemplate(RedisConnectionFactory connectionFactory) {
RedisTemplate<String, String> template = new RedisTemplate<String, String>();
template.setKeySerializer(new StringRedisSerializer());
template.setHashKeySerializer(new StringRedisSerializer());
template.setConnectionFactory(connectionFactory);
return template;
}
@Bean
public RedisOperationsSessionRepository sessionRepository(RedisTemplate<String, ExpiringSession> sessionRedisTemplate, @Qualifier("expirationRedisTemplate") RedisTemplate<String,String> expirationRedisTemplate) {
RedisOperationsSessionRepository sessionRepository = new RedisOperationsSessionRepository(sessionRedisTemplate,expirationRedisTemplate);
sessionRepository.setDefaultMaxInactiveInterval(maxInactiveIntervalInSeconds);
return sessionRepository;
}
@Bean
public <S extends ExpiringSession> SessionRepositoryFilter<? extends ExpiringSession> springSessionRepositoryFilter(SessionRepository<S> sessionRepository) {
SessionRepositoryFilter<S> sessionRepositoryFilter = new SessionRepositoryFilter<S>(sessionRepository);
if(httpSessionStrategy != null) {
sessionRepositoryFilter.setHttpSessionStrategy(httpSessionStrategy);
}
return sessionRepositoryFilter;
}
@Override
public void setImportMetadata(AnnotationMetadata importMetadata) {
Map<String, Object> enableAttrMap = importMetadata.getAnnotationAttributes(EnableRedisHttpSession.class.getName());
AnnotationAttributes enableAttrs = AnnotationAttributes.fromMap(enableAttrMap);
if(enableAttrs == null) {
// search parent classes
Class<?> currentClass = ClassUtils.resolveClassName(importMetadata.getClassName(), beanClassLoader);
for(Class<?> classToInspect = currentClass ;classToInspect != null; classToInspect = classToInspect.getSuperclass()) {
EnableRedisHttpSession enableWebSecurityAnnotation = AnnotationUtils.findAnnotation(classToInspect, EnableRedisHttpSession.class);
if(enableWebSecurityAnnotation == null) {
continue;
}
enableAttrMap = AnnotationUtils
.getAnnotationAttributes(enableWebSecurityAnnotation);
enableAttrs = AnnotationAttributes.fromMap(enableAttrMap);
}
}
maxInactiveIntervalInSeconds = enableAttrs.getNumber("maxInactiveIntervalInSeconds");
}
@Autowired(required = false)
public void setHttpSessionStrategy(HttpSessionStrategy httpSessionStrategy) {
this.httpSessionStrategy = httpSessionStrategy;
}
/* (non-Javadoc)
* @see org.springframework.beans.factory.BeanClassLoaderAware#setBeanClassLoader(java.lang.ClassLoader)
*/
public void setBeanClassLoader(ClassLoader classLoader) {
this.beanClassLoader = classLoader;
}
}