spring security ForceEagerSessionCreationFilter 源码
spring security ForceEagerSessionCreationFilter 代码
文件路径：/web/src/main/java/org/springframework/security/web/session/ForceEagerSessionCreationFilter.java
/*
* Copyright 2002-2022 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.session;
import java.io.IOException;
import jakarta.servlet.FilterChain;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import jakarta.servlet.http.HttpSession;
import org.springframework.core.log.LogMessage;
import org.springframework.web.filter.OncePerRequestFilter;
/**
* Eagerly creates {@link HttpSession} if it does not already exist.
*
* @author Rob Winch
* @since 5.7
*/
public class ForceEagerSessionCreationFilter extends OncePerRequestFilter {
@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
throws ServletException, IOException {
HttpSession session = request.getSession();
if (this.logger.isDebugEnabled() && session.isNew()) {
this.logger.debug(LogMessage.format("Created session eagerly"));
}
filterChain.doFilter(request, response);
}
}
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